CN103242909A

CN103242909A - Hot waste gas humidifying device combining pyrolysis and gasification of coal gangue and combustion of raw gas

Info

Publication number: CN103242909A
Application number: CN2013101217571A
Authority: CN
Inventors: 王新民
Original assignee: Shanxi Xinli Energy Technology Co Ltd
Current assignee: Shanxi Xinli Energy Technology Co Ltd
Priority date: 2013-04-10
Filing date: 2013-04-10
Publication date: 2013-08-14
Anticipated expiration: 2033-04-10
Also published as: CN103242909B

Abstract

The invention discloses a hot waste gas humidifying device combining pyrolysis and gasification of coal gangue and combustion of raw gas, which comprises a coal gangue pyrolysis device and a water gas reaction device of a coal gangue pyrolysis and gasification device, a raw gas guiding device and an in-furnace coal gangue hot waste gas humidifying and dewatering device, wherein the coal gangue pyrolysis device comprises a pyrolysis and gasification chamber, an outer combustion gas heating device and an inner combustion gas heating device; the water gas reaction device comprises a pyrolysis and gasification chamber, a material cooling device and a vapor generation device; the in-furnace coal gangue hot waste gas humidifying and dewatering device comprises a vapor discharge guider and a waste gas heat exchange dewaterer; the raw gas discharged from a raw gas guiding port of the raw gas guiding device is purified, and is then combusted after being transferred into the outer combustion gas heating device and the inner combustion gas heating device; the waste gas after combustion is transferred into the waste gas heat exchange dewaterer to dewater in-furnace coal gangue granules; and the vapor evaporated out through dewatering is discharged from the vapor discharge guider. According to the invention, additional energy does not need to be increased, thus saving the cost; and the hot waste gas is cooled before being discharged, thus being friendly to the environment.

Description

Coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device

Technical field

The present invention relates to the technology of coal gangue pyrolytic gasification, particularly coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device.

Background technology

Coal gangue---the stone of selecting from raw coal is the waste residue of coal separating plant, bad processing, China has more than one hundred million tons coal gangue not utilize every year, and still continues to discharge about 100Mt every year, not only piles up and takes up an area of, and can also the spontaneous combustion polluted air or cause fire, cause serious environmental to pollute.

Owing to the incoalation in 1 years, contain carbon, oil, the gas material of 20-30% in the coal gangue, wherein oil gas accounts for 11-15%, carbon accounts for 7-15%.The coal gangue pyrolytic gasification, (composition is compositions such as silicon-dioxide, aluminium sesquioxide, ferric oxide, titanium dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, Vanadium Pentoxide in FLAKES, manganese oxide, sulphur trioxide to obtain the solid product of oil gas product and 70-80%, be the grog of sal refractory materials), economic worth is arranged, social benefit is more arranged.

The inventor is for a long time to the research of physical property and the high temperature coal pyrolysis gas metallization processes of coal gangue, brand-new coal gangue high temperature pyrolysis and gasification composite technology and the device of innovation one cover.

Summary of the invention

The invention provides coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device, this device carries out the damping dehydration with the waste heat of the hot waste gas of raw gas in the coal gangue pyrolytic gasification after the reclaiming clean burning to the coal gangue pellet of going into the stokehold, do not need extra power consumption, save heating installation, obtain the economic worth of recycle.

Realize that the technical scheme that above-mentioned purpose is taked is:

Coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device mainly comprises coal gangue pyrolysis gasifying device, raw gas take-up gear, goes into stove coal gangue hot waste gas damping dewatering unit; Described coal gangue pyrolysis gasifying device mainly comprises coal gangue pyrolysis installation and water-gas reaction device, described coal gangue pyrolysis installation is arranged on the body of heater middle part, comprise that mainly pyrolysis vaporizer, outer combustion gas heating unit, interior gas-operated thermal bath facility, central supported bow constitute, described pyrolysis vaporizer constitutes an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around pyrolysis vaporizer's exterior wall ring periphery is outer combustion gas heating unit, is interior gas-operated thermal bath facility in the indoor ringwall ring of pyrolytic gasification; Described water-gas reaction device comprises pyrolysis vaporizer, the material heat sink, steam generation device, the pyrolysis vaporizer of described pyrolysis vaporizer and coal gangue pyrolysis installation is same chamber, pyrolysis vaporizer is positioned at central supported bow top, described material heat sink, steam generation device is positioned at central supported bow below, described material heat sink comprises high temperature cooling chamber, low temperature cooling chamber, cooling chamber's bridge bow, the top of high temperature cooling chamber communicates bottom pyrolysis vaporizer, high temperature cooling chamber and low temperature cooling chamber upper and lower settings, cooling chamber's bridge bow is arranged between high temperature cooling chamber and the low temperature cooling chamber, and described cooling chamber bridge bow comprises the bridge bow, steam chest, steam enters siphunculus; Bridge bow middle part forms steam chest, the lower openings of steam chest is towards low temperature cooling chamber, steam enters siphunculus and is arranged in the bridge bow, steam enters siphunculus one end and leads to steam chest, the other end stretches out outside the stove, described steam generation device comprises annular hollow metal casing, steam pockets and drum input tube, the drum output tube, annular hollow metal casing is installed in bottom of furnace body, the interior annular space chamber of annular hollow metal casing is connected to the low temperature cooling chamber bottom of material heat sink, form the body of heater water bag that sealing relatively is used for storage of water in the annular hollow metal casing case, body of heater water bag is connected to water inlet pipe and drum input tube, water inlet pipe communicates with water tank, drum input tube and steam pockets are connected, and the drum output tube of steam pockets enters the siphunculus the other end with the steam of material heat sink and communicates; Described raw gas take-up gear comprises the raw gas concentration chamber, the interior passage of deriving, the outer passage of deriving, derive the main channel, derive circuit, it is integrally formed that described raw gas concentration chamber is arranged on top and the pyrolysis vaporizer of pyrolysis vaporizer, the interior passage of deriving arranges in the quirk partition wall, pyrolysis vaporizer was led at the ringwall middle part in interior derivation feeder connection passed, the interior channel outlet that derives is passed the raw gas concentration chamber that interior ringwall leads to the pyrolysis vaporizer top, the described outer passage of deriving arranges in the exterior wall of body of heater, derive feeder connection down, the derivation feeder connection leads to pyrolysis vaporizer in the middle part of passing outer ring wall outside going up, the outer channel outlet that derives is passed the raw gas concentration chamber that outer ring wall leads to the pyrolysis vaporizer top, described derivation main channel is arranged in the exterior wall of body of heater of pyrolysis of coal stove, derivation main channel entrance communicates with the raw gas concentration chamber and extends up in the exterior wall top derivation circuit that body of heater is set again, and derives circuit and is provided with the raw gas export mouth; Describedly go into stove coal gangue hot waste gas damping dewatering unit and mainly comprise housing, steam steam discharge exporter, waste gas heat exchange water trap, blanking bin; Form feed bin in the described housing, feed bin relative closure top only is provided with opening for feed, and described blanking bin is arranged on housing bottom and communicates with feed bin; Described steam steam discharge exporter comprises steam derivation house steward, at least one above steam is derived umbrella road, vapor collection standpipe, water of condensation discharge manifold, steam is derived the umbrella road and is umbrella shape inclination bending member, and many steam are derived the umbrella road and are horizontally installed in the feed bin at interval by rule; The vapor collection standpipe vertically is arranged in the relative both sidewalls of housing, and steam is derived two ends, umbrella road and is separately fixed on the both sidewalls vapor collection standpipe, and the curved recessed interior vapor collection standpipe of bending member is provided with the steam export mouth; Steam is derived in the sidewall of the upper shell that house steward is arranged on the vapor collection standpipe, steam is derived house steward and is communicated with the vapor collection riser upper, steam is derived house steward and also is provided with the water vapor relief outlet, the water of condensation discharge manifold is arranged in the sidewall of below housing of vapor collection standpipe, the water of condensation discharge manifold communicates with vapor collection standpipe bottom, and the water of condensation discharge manifold also is provided with condensed water discharge outlet; Described waste gas heat exchange water trap comprises hot waste gas admission passage, hot waste gas inlet chamber, radiating pipe, radiating pipe serial connection passage, waste gas transition chamber, low temperature waste gas discharge chamber, the hot waste gas inlet chamber is arranged in middle and upper part one sidewall of housing, the waste gas transition chamber is arranged in the another side sidewall relative with the hot waste gas inlet chamber of housing, low temperature waste gas is discharged the chamber and is arranged in lower part of frame and the same sidewall of hot waste gas inlet chamber, and low temperature waste gas is discharged the chamber and is provided with the low temperature waste gas relief outlet; Several radiating pipe serial connection passages are the parallel inside feed bin that passes across housing in twos, be connected between hot waste gas inlet chamber and the waste gas transition chamber and waste gas transition chamber and low temperature waste gas are discharged between the chamber, one end of last radiating pipe serial connection passage communicates with the hot waste gas inlet chamber and the other end sealing, and an end of next bar radiating pipe serial connection passage seals and the other end communicates with the waste gas transition chamber; In like manner, between waste gas transition chamber and low temperature waste gas discharge, an end that also is last radiating pipe serial connection passage communicates with the waste gas transition chamber and the other end sealing, the one end sealing of next bar radiating pipe serial connection passage and the other end communicates with low temperature waste gas discharge chamber, the rest may be inferred, several radiating pipes also adopt metallic substance to make, several radiating pipes are spaced at radiating pipe serial connection passage, heat radiation one terminates on the parallel last radiating pipe serial connection passage, the other end is connected on the radiating pipe serial connection passage of parallel next bar, parallel in twos radiating pipe serial connection passage is connected mutually, be about to hot waste gas inlet chamber and waste gas transition chamber and connect, waste gas transition chamber and low temperature waste gas are discharged the chamber connection; To purify from the raw gas that the raw gas export mouth is discharged, raw gas after the purification is delivered to the outer combustion gas heating unit of coal gangue pyrolysis installation again, interior gas-operated thermal bath facility burns, and waste gas after burning is delivered to hot waste gas admission passage into the waste gas heat exchange water trap of stove coal gangue hot waste gas damping dewatering unit by pipeline again.

Described coal gangue pyrolysis installation also comprises the gas reversing system, described outer combustion gas heating unit is mainly some groups of identical related first combustion heaters of structure, second combustion heater constitutes, described first combustion heater mainly comprises first combustion chamber, first coal gas enters arm and first regenerative heat exchanger, first coal gas enters arm and passes the body of heater exterior wall and lead in first combustion chamber, the body of heater exterior wall that first combustion chamber is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that pyrolysis vaporizer's outer ring wall and outer quirk partition wall surround a relative closure, described first regenerative heat exchanger comprises the first accumulation of heat chamber, first heat storage, the first air admission arm and the first combustion exhaust exhaust outlet, the first accumulation of heat chamber is arranged in the body of heater exterior wall, first heat storage arranges in the first accumulation of heat chamber, the first accumulation of heat chamber, one end leads to bottom, first combustion chamber, the other end is connected to the first air admission arm and the first combustion exhaust exhaust outlet respectively, in like manner identical second combustion heater of structure also mainly comprises second combustion chamber, second coal gas enters arm and second regenerative heat exchanger, the top of outer quirk partition wall is provided with the combustion chamber through hole between described first combustion chamber and next-door neighbour's second combustion chamber, and the combustion chamber through hole is connected first combustion chamber and next-door neighbour's second combustion chamber and constituted related one group; Gas-operated thermal bath facility is mainly by some groups of association the 3rd combustion heaters that structure is identical in described, the 4th combustion heater, its structure and related first burning heater, second burning heater is formed almost completely identical, the gas-fired quirk that the indoor ringwall of pyrolytic gasification and internal-quirk partition wall surround a relative closure is made by fire-resistant thermally conductive material in the 3rd combustion chamber of different is the 3rd combustion heater, the 3rd coal gas enters arm and passes below the bar bow of central supported bow and upwards lead to the 3rd combustion chamber, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage places the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward below the bar bow of central supported bow and leads to bottom, the 3rd combustion chamber by extending passage, the 3rd accumulation of heat chamber the other end is connected to the 3rd air admission arm and the 3rd combustion exhaust exhaust outlet respectively, the top of internal-quirk partition wall is provided with chamber passage between described the 3rd combustion chamber and next-door neighbour's the 4th combustion chamber, and chamber passage is connected the 3rd combustion chamber and next-door neighbour's the 4th combustion chamber and constituted related one group; Described gas reversing system comprises dish, lower wall, the rotation reversing motor, air blower, gas fan, exhaust gas fan, lower wall is connected to an air person in charge respectively and first air is in charge of, second air is in charge of, a coal gas is responsible for and first gas manifold, second gas manifold, combustion exhaust is responsible for and second combustion exhaust is in charge of, first combustion exhaust is in charge of, wherein second combustion exhaust is in charge of to be in charge of to be in charge of with first air with first combustion exhaust and is in charge of with second air and the setting of first gas manifold and second gas manifold is just exchanged, last dish is fitted in the lower wall top, on coil respectively that correspondence is provided with the air pipe connecting, the coal gas pipe connecting, the combustion exhaust pipe connecting, thereby the rotation reversing motor drive to be gone up dish and is back and forth rotated on lower wall and realize that air is responsible for constantly to be in charge of to be in charge of with second air with first air and connect and cut off conversion, coal gas is responsible for constantly and is connected and cut off conversion with first gas manifold and second gas manifold, and combustion exhaust is responsible for constantly to be in charge of to be in charge of with first combustion exhaust with second combustion exhaust and is connected and cut off conversion; Wherein, described first air is in charge of with the first air admission arm, the 3rd air admission arm and is connected, simultaneously, described first gas manifold and first coal gas enter arm, the 3rd coal gas enters arm and connects, described first combustion exhaust was in charge of with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet and was connected simultaneously this moment; In like manner, second air is in charge of with the second air admission arm, the 4th air admission arm and is connected, simultaneously, second gas manifold and second coal gas enter arm, the 4th coal gas enters arm and connects, meanwhile, second burning gas is in charge of with the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet and is connected.

Described coal gangue pyrolysis installation comprises that also two groups of bustle pipes are arranged on the periphery of body of heater, comprises the first air bustle pipe, the first coal gas bustle pipe, the first combustion exhaust bustle pipe; The second air bustle pipe, the second coal gas bustle pipe, the second combustion exhaust bustle pipe; Wherein said first air is in charge of by the first air bustle pipe and the first air admission arm, the 3rd air admission arm and is connected, simultaneously, described first gas manifold enters arm, the 3rd coal gas by the first coal gas bustle pipe and first coal gas and enters arm and connect, described first combustion exhaust was in charge of by the first combustion exhaust bustle pipe and was connected with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet simultaneously this moment; In like manner, second air is in charge of by the second air bustle pipe and the second air admission arm, the 4th air admission arm and is connected, simultaneously, second gas manifold enters arm, the 4th coal gas by the second coal gas bustle pipe and second coal gas and enters arm and connect, meanwhile, second burning gas is in charge of by the second combustion exhaust bustle pipe and is connected with the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet.

The exhaust gas fan of the gas reversing system of described coal gangue pyrolysis installation is connected by pipeline with the hot waste gas admission passage of going into stove coal gangue hot waste gas damping dewatering unit.

Described outer combustion gas heating unit mainly is divided into upper, middle and lower syllogic heating, and every section has 9 groups of identical first combustion heaters of structure, second combustion heater to constitute.

Gas-operated thermal bath facility mainly is divided into upper and lower two-section type heating in described, and every section has 6 groups of identical the 3rd combustion heaters of structure, the 4th combustion heater to constitute.

The radiating pipe of described waste gas heat exchange water trap is " U " type, and U-shaped radiating pipe is connected in series passage at radiating pipe and is the two rows arrangement, and the U-shaped radiating pipe of a last row is inverted U, and the U-shaped mouth of the U-shaped radiating pipe of a last row is relative with next U-shaped mouth of arranging U-shaped radiating pipe.

The steam of described steam steam discharge exporter is derived the rule lateral arrangement that the umbrella road is listed as by three rows five on feed bin top, and arranges the steam derivation umbrella road that material one row five is listed as in the middle part of feed bin, derives the umbrella road at the steam of feed bin lower disposed material one row five row.

The present invention is by carrying out high temperature pyrolysis to coal gangue and water-gas reaction obtains raw gas, the raw gas derivation is purified, purified gas after the purification is used for burning and needed heat and temperature is provided for the coal gangue pyrolytic gasification, utilize the hot waste gas waste heat after burning that the coal gangue pellet of going into the stokehold is carried out the damping dehydration again, do not need to increase extra energy consumption, cost savings; Also can lower the temperature to hot waste gas in addition, be beneficial to the relatively low waste gas of exhaust temperature in the atmosphere, preserve the ecological environment.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.

Fig. 1 is the stove coal gangue hot waste gas damping dewatering unit cross-sectional schematic one of going into of the present invention;

Fig. 2 is the stove coal gangue hot waste gas damping dewatering unit cross-sectional schematic two of going into of the present invention;

Fig. 3 is k-k place schematic cross-section among Fig. 1;

Fig. 4 is p-p place schematic cross-section among Fig. 1;

Fig. 5 is j-j place schematic cross-section among Fig. 1;

Fig. 6 is the cross-sectional schematic that tail gas water of the present invention is washed one's hair cleaner;

Fig. 7 is the atomizing gondola water faucet schematic cross-section (a-a among Fig. 6) that tail gas water of the present invention is washed one's hair cleaner;

Fig. 8 is the tail gas pod schematic cross-section (b-b among Fig. 6) that tail gas water of the present invention is washed one's hair cleaner;

Fig. 9 is the tank schematic cross-section (d-d among Fig. 6) that tail gas water of the present invention is washed one's hair cleaner;

Figure 10 is the bottom of gullet schematic cross-section (e-e among Fig. 6) that tail gas water of the present invention is washed one's hair cleaner;

Figure 11 is coal gangue pyrolytic gasification stove synoptic diagram of the present invention;

Figure 12 is gas reverser synoptic diagram of the present invention;

Figure 13 coils synoptic diagram on the gas reverser of the present invention;

Figure 14 is gas reverser lower wall synoptic diagram of the present invention;

Figure 15 is c-c place cross-sectional schematic among Figure 13;

Figure 16 is gas reverser of the present invention and combustion heater pipe network connection diagram;

Figure 17 is t-t place schematic cross-section among Figure 11;

Figure 18 is u-u place schematic cross-section among Figure 11;

Figure 19 is v-v place schematic cross-section among Figure 11;

Figure 20 is central supported bow synoptic diagram (x-x place schematic cross-section among Figure 11) of the present invention;

Figure 21 is vapour passage intention of the present invention (y-y place schematic cross-section among Figure 11);

Figure 22 is steam pockets pipeline synoptic diagram of the present invention (z-z place schematic cross-section among Figure 11);

Figure 23 is industry control central electrical connection diagram of the present invention;

Figure 24 is coal gangue pyrolytic gasification stove of the present invention and goes into stove coal gangue hot waste gas damping dewatering unit and tail gas water is washed one's hair cleaner assembly synoptic diagram.

Embodiment

The specific embodiment of the comprehensive utilization of coal gangue pyrolytic gasification of the present invention is mainly introduced in detail following.

First part's coal gangue granularity control

Coal gangue processing is broken into 0～20mm granularity, in this size range, the coal gangue particle is dehydrated, fully dry, the dewatering efficiency height, but this does not constitute the restriction to needed coal gangue to the present invention.

Second section coal gangue damping dehydration

As shown in Figure 1 and Figure 2: go into stove coal gangue hot waste gas damping dewatering unit 1, comprise housing 11, steam steam discharge exporter 12, waste gas heat exchange water trap 13, blanking bin 14; Be formed for the feed bin 111 of broken fed to boiler coal gangue pellet damping drying in the housing 11, feed bin 111 relative closure tops only are provided with opening for feed 112, be provided with sealing infeed belt conveyor 17 at opening for feed 112 places and (refer to the transfer roller that belt covered with its circumferential closed barrel-shaped housing of a both ends open, prevent from being scattered into the stove coal gangue, keep the Working environment neat and tidy), blanking bin 14 is arranged on housing 11 bottoms and communicates with feed bin 111, blanking bin 14 is used for temporarily depositing that damping is dried goes into stove coal gangue pellet, and blanking bin 14 bottoms are connected to the discharge transfer roller 15 of sealing.

As Fig. 1, Fig. 2, Fig. 3,, Fig. 4, shown in Figure 5, steam steam discharge exporter 12 comprises that steam derives house steward 121, at least one above steam derivation umbrella roads 122, vapor collection standpipe 123, water of condensation discharge manifold 124; Steam is derived umbrella road 122 and is umbrella shape inclination bending member (maybe can be referred to as reverse V-shaped bending member), and many steam are derived umbrella road 122 and are horizontally installed at interval in the feed bin 111 by rule; Vapor collection standpipe 123 vertically is arranged in the housing 11 relative both sidewalls, and steam is derived 122 two ends, umbrella road and is separately fixed on the both sidewalls vapor collection standpipe 123, and the curved recessed interior vapor collection standpipe 123 of bending member is provided with steam export mouth 125; Steam is derived in the sidewall of the upper shell 11 that house steward 121 is arranged on vapor collection standpipe 123, and steam is derived house steward 121 and communicated with vapor collection standpipe 123 tops, and steam derivation house steward 121 also is provided with water vapor relief outlet 126, is beneficial to the concentrated discharging of water vapor; Water of condensation discharge manifold 124 is arranged in the sidewall of below housing 11 of vapor collection standpipe 123, water of condensation discharge manifold 124 communicates with vapor collection standpipe 123 bottoms, water of condensation discharge manifold 124 also is provided with condensed water discharge outlet 127, is beneficial to the concentrated discharging of water of condensation.

As Fig. 1, Fig. 2, shown in Figure 3, go into stove coal gangue pellet high humidity when coming in just to come in from opening for feed 112, the steam that produces is more, arrange more on feed bin 111 tops so steam is derived umbrella road 122, the rule lateral arrangement that this example is listed as by three rows five on feed bin 111 tops, so that a large amount of steam are all derived smoothly, and in feed bin 111 middle parts and bottom, it is lower to go into stove coal gangue pellet water content behind thermal dehydration, the steam of evaporation is less, it is few at feed bin 111 middle parts and lower disposed that steam is derived umbrella road 122, so arranging the steam of material one row five row at feed bin 111 middle parts, this example derives umbrella road 122, steam at feed bin 111 lower disposed material one row five row is derived umbrella road 122, certainly, steam is derived position and the quantity of arranging in umbrella road 122 and is depended primarily on into the moisture degree of stove coal gangue pellet in feed bin 111, the concrete structure that this example is enumerated does not constitute the claim limitation to this case.

As Fig. 1, Fig. 2, shown in Figure 3, come in to falling into feed bin 111 from opening for feed 112 because go into stove coal gangue pellet again, steam is derived umbrella road 122 and is arranged in the feed bin 111 by horizontal many of rule interval, steam is derived umbrella road 122 and is umbrella shape inclination bending member, being conducive to go into stove coal gangue pellet evenly looses in feed bin 111, going into stove coal gangue pellet can the thermally equivalent drying and dehydrating, because being arranged on steam, steam export mouth 125 derives in bending member curved recessed in umbrella road 122 again, can effectively prevent from stopping up steam export mouth 125 into stove coal gangue pellet, the steam of collection enters in the vapor collection standpipe 123 smoothly by steam export mouth 125 in steam is derived umbrella road 122 curved recessed, the steam of heat upwards is pooled to steam by vapor collection standpipe 123 and derives among the house steward 121 by 126 discharges of water vapor relief outlet, steam is condensed into water because of cooling, and water is discharged from condensed water discharge outlet 127 by flowing into water of condensation discharge manifold 124 downwards.

As Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, waste gas heat exchange water trap 13 comprises hot waste gas admission passage 131, hot waste gas inlet chamber 132, radiating pipe 133, radiating pipe serial connection passage 134, waste gas transition chamber 135, low temperature waste gas discharge chamber 136, exhaust fan 137; Hot waste gas inlet chamber 132 is arranged in middle and upper part one sidewall of housing 11, in the another side sidewall relative with hot waste gas inlet chamber 132 that waste gas transition chamber 135 is arranged on housing 11; Low temperature waste gas is discharged chamber 136 and is arranged in the bottom and hot waste gas inlet chamber 132 same sidewalls of housing 11, and low temperature waste gas is discharged chamber 136 and is provided with low temperature waste gas relief outlet 138, low temperature waste gas relief outlet 138 external exhaust fans 137; Several radiating pipe serial connection passages 134 are the parallel inside feed bin 111 that passes across housing 11 in twos, be connected between hot waste gas inlet chamber 132 and the waste gas transition chamber 135 and waste gas transition chamber 135 and low temperature waste gas are discharged between the chamber 136, one end 1341 of last radiating pipe serial connection passage 134 communicates with hot waste gas inlet chamber 132 and the other end 1342 sealings, and an end 1341 of next bar radiating pipe serial connection passage 134 seals and the other end 1342 communicates with waste gas transition chamber 135; In like manner, discharge between the chamber 136 at waste gas transition chamber 135 and low temperature waste gas, an end 1342 that also is last radiating pipe serial connection passage 134 communicates with waste gas transition chamber 135 and the other end 1341 sealings, one end, 1342 sealings of next bar radiating pipe serial connection passage 134 and the other end 1341 communicates with low temperature waste gas discharge chamber 136, the rest may be inferred, this example arranges many radiating pipes 133 and radiating pipe serial connection passage 134, with the contact area of increase with stove coal gangue pellet, improves coal gangue dewatering particle collections efficient.

As Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, several radiating pipes 133 also adopt metallic substance to make, several radiating pipes 133 are spaced at radiating pipe serial connection passage 134, radiating pipe 133 is " U " type, one terminates on the parallel last radiating pipe serial connection passage 134, the other end is connected on the radiating pipe serial connection passage 134 of parallel next bar, parallel in twos radiating pipe serial connection passage 134 is connected mutually, be about to hot waste gas inlet chamber 132 and connect with waste gas transition chamber 135, waste gas transition chamber 135 and low temperature waste gas are discharged chamber 136 connect;

As shown in Figure 1 and Figure 2, U-shaped radiating pipe 133 is two rows at radiating pipe serial connection passage 134 and arranges, the U-shaped radiating pipe 133 of a last row is inverted U, the U-shaped mouth of the U-shaped radiating pipe 133 of a last row is relative with next U-shaped mouth of arranging U-shaped radiating pipe 133, in order to be beneficial to coal gangue pellet blanking, the top that the U-shaped radiating pipe 133 of a described last row is inverted U is wedge 1331, and next U-shaped inner bay place of arranging U-shaped radiating pipe 133 is wedge 1332.

As shown in figure 11, infeed belt conveyor 17, discharge transfer roller 15, exhaust fan 137 link with industry control center 90, by industry control center 90 work of control infeed belt conveyor 17, discharge transfer roller 15, exhaust fan 137 automatically.

Originally going into stove coal gangue hot waste gas damping dewatering is:

(1), use a sealing infeed belt conveyor 17 that the stove coal gangue pellet of going into after the fragmentation is sent to from coal inlet 112 in the feed bin of housing 11 in 111;

(2), feed the hot useless inlet chamber 132 from hot waste gas admission passage 131 from the hot waste gas that the purified gas burning back behind the raw gas product reclaiming clean of coal gangue high temperature pyrolysis and water-gas reaction generation is produced simultaneously, carry out dewatered drying by the coal gangue to water content in the radiating pipe serial connection passage 134 inflow radiating pipes 133 again, hot waste gas reduces through the heat exchange temperature simultaneously, and last low temperature hot waste gas enters low temperature waste gas discharge chamber 136 by waste gas transition chamber 135 and discharges;

(3), coal gangue in the feed bin of housing 11 in 111 through radiating pipe 133 heated bakings, water in the coal gangue evaporates in a large number, water vapor is derived 122 collections of umbrella road through steam and is entered in the vapor collection standpipe 123 by steam export mouth 125, the steam of heat upwards is pooled to steam and derives among the house steward 121, concentrate discharge by water vapor relief outlet 126, the be cooled water vapor of cooling of a part becomes to flow in the water of condensation discharge manifold 124 downwards behind the water of condensation and pools together, from condensed water discharge outlet 127 dischargings;

(4), the coal gangue after dehydrating falls into the following coal bunker 14 of housing 11 bottoms at last, constantly will descend the coal gangue that dehydrates in the coal bunker 14 to deliver to down the high temperature pyrolysis operation one by sealing discharge transfer roller 15, from and constantly to the feed bin 111 of housing 11, replenish new coal gangue pellet by sealing infeed belt conveyor 17, realize the continuously dehydrating drying to coal gangue.

Discharge the tail gas of discharging chamber 136 from low temperature waste gas for the neat and tidy that keeps environment and wash one's hair cleaner 16 processing back qualified discharges by tail gas water.

As Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, tail gas water is washed one's hair cleaner 16 and is comprised purification cylindrical shell 161, atomized spray 162, stainless steel filter wire stratum reticulare 163, tail gas pod 164, tank 165, water reservoir 166, sprays water pump 167; Purify cylindrical shell 161 tops exhaust port 168 is set, atomized spray 162, stainless steel filtration silk screen 163, tail gas pod 164, tank 165 all arrange and purify in the cylindrical shell 161; Water reservoir 166, sprinkling water pump 167 all arrange and purify outside the cylindrical shell 161; Tank 165 arranges the bottom that purifies cylindrical shell 161, tank 165 bottoms are provided with spoil disposal pipeline 1650, tail gas pod 164 is cylindrical cover of a lower ending opening upper end closed, tail gas pod 164 is arranged on the top of tank 165, tail gas pod 164 is provided with a tail gas and enters pipe 169, and tail gas enters pipe 169 and passes and purify cylindrical shell 161 and communicate with the external world; Above tail gas pod 164, be provided with stainless steel filter wire stratum reticulare 163, stainless steel filter wire stratum reticulare 163 peripheries are completely fixed and purify on cylindrical shell 161 walls, above stainless steel filter wire stratum reticulare 163, atomized spray 162 is set, atomized spray 162 is connected on on the water arm 1601, water inlet arm 1601 stretches out to purify outside the cylindrical shell 161 to be connected with water inlet bustle pipe 1602, water inlet bustle pipe 1602 is for purifying cylindrical shell 161 peripheries around the home in the form of a ring, water inlet bustle pipe 1602 joins with sprinkling water pump 167 by the water inlet person in charge 160, spray water pump 167 and be connected to water absorption tube 1603, water absorption tube 1603 stretches in the water reservoir 166; Water reservoir 166 also communicates with tank 165 by passing purification cylindrical shell 161 communicating pipe 1604.

As shown in Figure 6, offering access opening 1611 near purification cylindrical shell 161 walls above the stainless steel filter wire stratum reticulare 163, the one, make things convenient for the workman to enter and purify the atomized spray 162 to damaging in the cylindrical shell 161, stainless steel filter wire stratum reticulare 163 keeps in repair, the 2nd, also can be regularly by the artificial plaster of alluvial on stainless steel filter wire stratum reticulare 163 of removing, purification cylindrical shell 161 walls above tank 165 offer water-in 1612, this water-in 162 is gone into the water of condensation discharge manifold 124 of the steam steam discharge exporter 12 of stove coal gangue hot waste gas damping dewatering unit 1 by pipe connection, allow the water of condensation of the dust-laden that water of condensation discharge manifold 124 discharges directly enter unified discharging in the tank 165, guarantee the clean of Working environment, offer into water overflow port 1613 at purification cylindrical shell 161 walls near tank 165 edges, tank 165 unnecessary water can be discharged from here, avoid water in the tank 165 too many and flood the opening of tail gas pod 164, cause tail gas to enter and be obstructed.

As Fig. 6, shown in Figure 7, for to filtering dust in the tail gas better, a plurality of atomized spray 162 161 are arranged in purifying cylindrical shell in the form of a ring, stretch out 161 outer and water inlet bustle pipe 1602 connections of purification cylindrical shell by many arms 1601 of intaking, in addition many group atomized spray 162 can also be set at interval from bottom to top in purifying cylindrical shell 161, stainless steel filter wire stratum reticulare 163, and from bottom to top, the order number of stainless steel filter wire stratum reticulare 163 increases gradually, this tail gas water is washed one's hair cleaner 16 and is provided with 3 groups atomized spray 162, stainless steel filter wire stratum reticulare 163, this not only can obtain cleaner tail gas, and can also lower the temperature to the tail gas of heat.

As shown in figure 11, spray water pump 167 and link with industry control center 90, sprayed the work of water pump 167 by industry control center 90 automatically.

The principle method that this routine tail gas water is washed one's hair purification is:

(1), discharges the low temperature waste gas process exhaust fan 137 of discharging chamber 136 from the low temperature waste gas of going into stove coal gangue hot waste gas damping dewatering unit 1, tail gas is pumped into tail gas to be entered pipe and 169 enters in the tail gas pod 164, blow to the water surface in the tank 165 of tail gas pod 164 belows, the dust that particle is bigger in the tail gas sinks to 165 ends of tank and discharges by spoil disposal pipeline 1650 through the absorption of flow surface in the water of immersion tank;

(2), the tail gas after flow surface absorption upwards filters the most of dust of elimination tail gas through stainless steel filter wire stratum reticulare 163;

(3), filter through stainless steel filter wire stratum reticulare 163 after tail gas enter the water smoke layer that atomized spray 162 water sprays form again, clean by purifying the exhaust port qualified discharge at cylindrical shell 161 tops through the water smoke layer in the tail gas.

Dustiness is reduced to minimum in the discharge tail gas in order to allow, (3) further replenishing is on it: tail gas enters the water smoke layer of atomized spray 162 formation again after filtering through stainless steel filter wire stratum reticulare 163, filter again through upwards entering the bigger stainless steel filter wire stratum reticulare 163 of order number again after the cleaning of water smoke layer in the tail gas, the water smoke layer that forms through the bigger stainless steel filter wire stratum reticulare 163 top atomized spray 162 of this order number cleans again, at last by purifying exhaust port 168 qualified discharges at cylindrical shell 161 tops.

Third part coal gangue high temperature pyrolysis and gasification (pyrolysis heating, water-gas are sent out and answered)

The high temperature pyrolysis heating of first segment coal gangue

As shown in Figure 1, coal gangue pyrolysis installation 6 is arranged on body of heater 91 middle parts, comprises that mainly pyrolysis vaporizer 61, outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67, gas reversing system 66, central supported bow 65 constitute; As Fig. 8, shown in Figure 9: pyrolysis vaporizer 61 is by in the fire-resistant thermally conductive material, outer ring wall 612,611 constitute an annulus, being centered around pyrolysis vaporizer's exterior wall 611 ring peripheries is outer combustion gas heating unit 64, be interior gas-operated thermal bath facility 67 in indoor ringwall 612 rings of pyrolytic gasification, wherein outer combustion gas heating unit 64 is mainly first combustion heater 62 of some groups of (9 groups of this examples) identical associations of structure, second combustion heater 60 constitutes (sees Fig. 1, Fig. 2), as Fig. 1, Fig. 8, it is shown in Figure 9: because pyrolysis vaporizer 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into, in, following syllogic heating, every section first combustion heater 62 that 9 groups of identical associations of structure are arranged, second combustion heater 60 constitutes, interior gas-operated thermal bath facility 67 mainly is divided into, following two-section type heating, every section has 6 groups of identical the 3rd combustion heaters 68 mutually of structure, the 4th combustion heater 69 constitutes.

Show that as Fig. 1, Fig. 9 described first combustion heater 62 comprises that mainly first combustion chamber 621, first coal gas enter arm 622 and first regenerative heat exchanger, 624, the first coal gas and enters arm 622 and pass body of heater 91 exterior walls and lead in first combustion chamber 621.

As Fig. 1, shown in Figure 9: body of heater 91 exterior walls that first combustion chamber 621 is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that pyrolysis vaporizer's outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.

As Fig. 1, shown in Figure 9, first regenerative heat exchanger 624 comprises the first accumulation of heat chamber 626, first heat storage 623, the first air admission arm 627 and the first combustion exhaust exhaust outlet 628; The first accumulation of heat chamber 626 is arranged in body of heater 91 exterior walls, first heat storage 623 arranges in the first accumulation of heat chamber 626, the first accumulation of heat chamber, 626 1 ends lead to 621 bottoms, first combustion chamber, and the other end is connected to the first air admission arm 627 and the first combustion exhaust exhaust outlet 628 respectively.

As shown in Figure 9, being provided with the first one-way air valve, 629, the first one-way air valves 629 between the first air admission arm 627 and the first accumulation of heat chamber 626 allows air to flow into first combustion chamber 621 from the first air admission pipe 627 and the first accumulation of heat chamber 626; Between the first combustion exhaust exhaust outlet 628 and the first accumulation of heat chamber 626, be provided with the first unidirectional waste gas valve 620, the first unidirectional waste gas valve 620 allows the gas-fired waste gas first accumulation of heat chamber 626 of flowing through from first combustion chamber 621, discharge (certainly from the first combustion exhaust exhaust outlet 628 at last, adopt gas reversing system 66 as described below, be responsible for 667 and first air when air and be in charge of 6671 connections, the air person in charge 667 and second air is in charge of 6673 and is in cut-out; Meanwhile, the combustion exhaust person in charge 669 is in charge of 6691 with first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693 and is in and is connected, and can play the effect of the replacement first one-way air valve 629 and the first unidirectional waste gas valve 620).

In like manner, as shown in Figure 9: identical second combustion heater 60 of structure comprises that mainly second combustion chamber 601, second coal gas enter arm 602 and second regenerative heat exchanger 604.

As shown in Figure 9: body of heater 91 exterior walls that second combustion chamber 601 is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that pyrolysis vaporizer's outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.

As Fig. 1, shown in Figure 9: second coal gas enters arm 602 and passes body of heater 91 exterior walls and lead in first combustion chamber 601.

As shown in Figure 9: second regenerative heat exchanger 604 comprises the second accumulation of heat chamber 606, second heat storage 603, the second air admission arm 607 and the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 is arranged in body of heater 91 exterior walls, second heat storage 603 arranges in the second accumulation of heat chamber 606, the second accumulation of heat chamber, 606 1 ends lead to 601 bottoms, second combustion chamber, the other end is connected to the second air admission arm 607 and the second combustion exhaust exhaust outlet 608 respectively, being provided with the second one-way air valve, 609, the second one-way air valves 609 between the second air admission arm 607 and the second accumulation of heat chamber 606 allows air to flow into second combustion chamber 601 from the second air admission pipe 607 and the second accumulation of heat chamber 606; Between the second combustion exhaust exhaust outlet 608 and the second accumulation of heat chamber 606, be provided with the second unidirectional waste gas valve 600, the second unidirectional waste gas valve 600 allows the gas-fired waste gas second accumulation of heat chamber 606 of flowing through from second combustion chamber 601, discharge (certainly from the second combustion exhaust exhaust outlet 608 at last, adopt gas reversing system 66 as described below, be responsible for 667 and first air when air and be in charge of 6671 cut-outs, the air person in charge 667 and second air is in charge of 6673 and is in connection, meanwhile, the combustion exhaust person in charge 669 and first combustion exhaust is in charge of 6691 and also is connected, and the corresponding combustion exhaust person in charge 669 is in charge of 6693 also cut-outs mutually with second combustion exhaust; Can play the effect that replaces the second one-way air valve 609 and the second unidirectional waste gas valve 600).

As Fig. 1, shown in Figure 8, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251 between first combustion chamber 621 and next-door neighbour's second combustion chamber 601, combustion chamber through hole 6251 is connected first combustion chamber 621 and next-door neighbour's second combustion chamber 601 and is constituted related one group, in this example, outer combustion gas heating unit 64 is provided with quirk partition wall 625 partition walls outside 18 roads altogether, forms 9 groups of related burning groups; In addition, as shown in Figure 1; Because pyrolysis vaporizer 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into upper, middle and lower syllogic heating, and every section has 9 groups of identical and related first combustion heaters 62 of structure, second combustion heater 60 to constitute.

As shown in Figure 1: each combustion chamber also is provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202 on body of heater 91 exterior walls, combustion chamber spy hole 6202 is convenient to the gas-fired situation that the technician intuitively observes each combustion chamber, be provided with chamber temperature table 6203 in the chamber temperature monitoring holes 6201 and be used for temperature monitoring to the combustion chamber, to the assessment of pyrolysis of coal process.

As shown in Figure 3: chamber temperature table 6203 links with industry control center 90, is gathered the temperature data of chamber temperature table 6203 automatically by industry control center 90.

As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, gas reversing system 66 comprises dish 661, lower wall 662, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, lower wall 662 is connected to the air person in charge 667 and first air respectively and is in charge of 6671, second air is in charge of 6673, a coal gas is responsible for 668 and first gas manifold 6681, second gas manifold 6683, a combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693, first combustion exhaust is in charge of 6691, wherein, second combustion exhaust is in charge of 6693 and first combustion exhaust and is in charge of 6691 and first air and is in charge of 6671 and second air and is in charge of the setting of 6673 and first gas manifold 6681 and second gas manifold 6683 and just exchanges (Fig. 3, Fig. 4, shown in Figure 6).

As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6: on coil 661 and be fitted in lower wall 662 tops, last dish 661 correspondence respectively is provided with air pipe connecting 6672, coal gas pipe connecting 6682, combustion exhaust pipe connecting 6692, go up dish 661 and on lower wall 662, back and forth rotate and realize that air is responsible for 667 and constantly is in charge of 6671 and second air with first air and is in charge of 6673 and connects and cut off conversion thereby rotation reversing motor 663 drives, coal gas is responsible for 668 and is constantly connected and cut off conversion with first gas manifold 6681 and second gas manifold 6683, and combustion exhaust is responsible for 669 and constantly is in charge of 6693 and first combustion exhaust with second combustion exhaust and is in charge of 6691 and connects and cut off conversion (be in charge of 6671 and second air to be in charge of the switching of 6673 and first gas manifold 6681 and second gas manifold 6683 just opposite with first air).

As Fig. 1, shown in Figure 6, also be provided with two groups of bustle pipes in the periphery of body of heater 91, comprise the first air bustle pipe, 6674, the first coal gas bustle pipes, 6684, the first combustion exhaust bustle pipes 6694; The second air bustle pipe 6675, the second coal gas bustle pipe, 6685, the second combustion exhaust bustle pipes 6695.

As Fig. 1, shown in Figure 6, the first air bustle pipe 6674 is in charge of the 6671 and first air admission arm 627 with first air and is linked up, and first air is in charge of 6671, the first air bustle pipe 6674, the first air admission arm 627, the first accumulation of heat chamber 626 and first combustion chamber 621 constitutes same path;

Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 with first gas manifold 6681 and first coal gas and links up, and first gas manifold 6681, the first coal gas bustle pipe 6684, first coal gas is entered arm 622 and first combustion chamber 621 constitutes same path;

This moment simultaneously, the first combustion exhaust bustle pipe 6694 is first combustion exhaust to be in charge of the 6691 and first combustion exhaust exhaust outlet 628 link up, and first combustion exhaust is in charge of 6691, the first combustion exhaust bustle pipe 6694, the first combustion exhaust exhaust outlet 628, the first accumulation of heat chamber 626 and the same path of combustion chamber 621 formations.

In like manner, the second air bustle pipe 6675 is in charge of the 6673 and second air admission arm 607 with second air and is linked up, and second air is in charge of 6673, the second air bustle pipe 6675, the second air admission arm 607, the second accumulation of heat chamber 606 and second combustion chamber 601 constitutes same path;

Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 with second gas manifold 6683 and second coal gas and links up, and second gas manifold 6683, the second coal gas bustle pipe 6685, second coal gas is entered arm 602 and second combustion chamber 601 constitutes same path;

Meanwhile, the second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 with second burning gas and is linked up, and second combustion exhaust is in charge of 6693, the second combustion exhaust bustle pipe 6695, the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and second combustion chamber 601 constitutes same path.

In addition; as shown in Figure 3; this example comprises that also gas reversing system controller 906 is used for rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 controls; gas reversing system electric controller 906 links with upper industry control center 90 again; certainly from electric control theory; rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 also can directly be subjected to 90 controls of industry control center in this example, so the restriction that gas reversing system controller 906 does not constitute this routine protection domain is set herein.

As Fig. 1, Fig. 2～Fig. 5, Fig. 6, shown in Figure 3: the heating means of this outer combustion gas heating unit 64 are:

(1) upward dish 661 is in lower wall 662 rotations for 663 drives of industry control center 90 startup rotation reversing motors, and air is responsible for 667 and first air and is in charge of 6671 connections, and the air person in charge 667 and second air is in charge of 6673 and is in dissengaged positions; Simultaneously, coal gas is responsible for 668 and first gas manifold 6681 and also is connected, and coal gas is responsible for 668 and second gas manifold 6683 and is in dissengaged positions; Meanwhile, combustion exhaust is responsible for 669 and is in charge of 6691 with first combustion exhaust and also cuts off mutually, and the corresponding combustion exhaust person in charge 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected;

(2) industry control center 90 starts air blower 664, gas fan 665, exhaust gas fan 666; Air blower 664 with air blast that air is responsible for 667, air enter successively through air pipe connecting 6672, first air be in charge of 6671, the first air bustle pipe 6674, the first air admission arm 627 enters into the first accumulation of heat chamber 626, enter in first combustion chamber 621 after the heat that utilizes first heat storage 623 to discharge heats air; Simultaneously, gas fan 665 obtains purified gas after with raw gas processization product reclaiming clean and blasts coal gas and be responsible for 668, coal gas enters coal gas pipe connecting 6682 successively, first gas manifold 6681, the first coal gas bustle pipe 6684, first coal gas enters arm 622 and enters in first combustion chamber 621 and burn, meanwhile, because the combustion exhaust person in charge 669 is in charge of 6691 with first combustion exhaust and is in the phase dissengaged positions, and corresponding combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected, so the waste gas in first combustion chamber 621 after the gas-fired can only enter into second combustion chamber 601 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through in the second accumulation of heat chamber 606, after second heat storage 603 in the second accumulation of heat chamber 606 carries out absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, second combustion exhaust is in charge of 6693, combustion exhaust is responsible for 669 by exhaust gas fan 666 discharges;

(3) reach and set combustion time, industry control center 90 starts rotation reversing motor 663 and drives upward dish 661 backward rotation on lower wall 662, air is responsible for 667 and first air and is in charge of 6671 cut-outs, the air person in charge 667 and second air is in charge of 6673 and is in on-state, simultaneously, the coal gas person in charge 668 also cuts off mutually with first gas manifold 6681, coal gas is responsible for 668 and second gas manifold, 6683 on-states, meanwhile, combustion exhaust is responsible for 669 and first combustion exhaust and is in charge of 6691 and also is connected, and corresponding combustion exhaust is responsible for 669 and is in charge of 6693 also dissengaged positions mutually with second combustion exhaust;

(4) air blower 664 with air blast that air is responsible for 667, air enter successively through air pipe connecting 6672, second air be in charge of 6673, the second air bustle pipe 6675, the second air admission arm 607 enters into the second accumulation of heat chamber 606, enter in second combustion chamber 601 after the heat that utilizes second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air; Simultaneously, gas fan 665 blasts the coal gas person in charge 668 with raw gas through obtaining purified gas after reclaiming only, coal gas enters coal gas pipe connecting 6682 successively, second gas manifold 6683, the second coal gas bustle pipe 6685, second coal gas enters arm 602 and enters in second combustion chamber 601 and burn, meanwhile, because the combustion exhaust person in charge 669 and first combustion exhaust is in charge of 6691 and is connected, and corresponding combustion exhaust is responsible for 669 and is in charge of 6693 with second combustion exhaust and is in dissengaged positions mutually, so the waste gas in second combustion chamber 601 after the gas-fired can only enter by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops in first combustion chamber 621, again through the first accumulation of heat chamber 626, after first heat storage 603 in the first accumulation of heat chamber 626 carries out absorbing and cooling temperature, at last from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, first combustion exhaust is in charge of 6691, combustion exhaust is responsible for 669 by exhaust gas fan 666 discharges, so outer combustion gas heating unit 64 combustion principle are the waste gas that generates and enter second combustion chamber 601 from combustion chamber through hole 6251 after gas-fired in first combustion chamber 621, second heat storage 603 is discharged after all the other thermal absorptions are lowered the temperature in second combustion chamber 601 and the second accumulation of heat chamber 606, otherwise, the waste gas that generates after gas-fired in second combustion chamber 601 enters first combustion chamber 621 from combustion chamber through hole 6251, and first heat storage 603 is discharged after all the other thermal absorptions are lowered the temperature in first combustion chamber 621 and the first accumulation of heat chamber 606.

In sum, this gas two by the gas reversing system advances the mode of operation of the regenerative heat exchange of a mode of operation that outes and regenerative heat exchanger, realize the combustion heater alternate combustion of two groups of associations, be that the gas reversing system is sent into air, purified gas burning to the combustion chamber of first combustion heater, hot waste gas after sucking-off is burnt from the combustion chamber of second combustion heater simultaneously, the second heat storage absorbing and cooling temperature of hot waste gas in second regenerative heat exchanger of second combustion heater become the relatively low low temperature waste gas of temperature and discharge; In like manner, the gas reversing system is sent into air, purified gas burning to the combustion chamber of second combustion heater, hot waste gas after sucking-off is burnt from the combustion chamber of first combustion heater simultaneously, the first heat storage absorbing and cooling temperature of hot waste gas in first regenerative heat exchanger of first combustion heater become the relatively low low temperature waste gas of temperature and discharge; This method of utilizing waste gas residual heat after the gas-fired to add warm air mutually, both played the waste gas residual heat after the gas-fired had been taken full advantage of, improve the efficiency of combustion of the coal gas in the combustion chamber, can carry out to a certain degree cooling to the waste gas after the gas-fired again, need not consume the external energy, play energy saving purposes, save coal gangue pyrolytic gasification cost.

Heating by external gas-operated thermal bath facility 64 is controlled automatically, reduces human cost, has improved the control accuracy to the pyrolysis of coal process, realizes automatization.

As Fig. 1, shown in Figure 10, interior gas-operated thermal bath facility 67 is mainly by some groups of (6 groups of this examples) combustion heaters 68 that structure is identical, 69, because gas-operated thermal bath facility 67 was mainly by mainly being divided in pyrolysis vaporizer 61 was highly higher, following two-section type heating, every section has 6 groups of association the 3rd combustion heaters 68 that structure is identical, the 4th combustion heater 69, it forms structure and related first burning heater 62 of combustion principle with above introduction, second burning heater 60 is almost completely identical, and the 3rd combustion heater 68 also comprises the 3rd combustion chamber 681, the 3rd coal gas enters arm 682, the 3rd accumulation of heat chamber 686, the 3rd heat storage 683, the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688.

As Fig. 1, Fig. 9, shown in Figure 10, the gas-fired quirk that the indoor ringwall 612 of pyrolytic gasification and internal-quirk partition wall 635 surround a relative closure is made by fire-resistant thermally conductive material in the 3rd combustion chamber 681.

As Fig. 1, shown in Figure 10, the 3rd coal gas of hypomere enters arm 682 and passes below the bar bow 651 of central supported bow 65 and upwards lead to the 3rd combustion chamber 681, the 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 that bar bends 651 belows, the 3rd heat storage 683 places the 3rd accumulation of heat chamber 686, the 3rd accumulation of heat chamber 686 1 ends pass to extend upward below the bar bow 651 of central supported bow 65 and lead to 681 bottoms, the 3rd combustion chamber by extending passage 6861, and the 3rd accumulation of heat chamber 686 the other ends are connected to the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688 respectively.

As Fig. 1, Fig. 9, shown in Figure 10, the 3rd coal gas of epimere enters arm 682 and passes upwards below the bar bow 651 of central supported bow 65 and lead to the 3rd combustion chamber 681 through quirk partition wall 635, the 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 that bar bends 651 belows, the 3rd heat storage 683 places the 3rd accumulation of heat chamber 686, the 3rd accumulation of heat chamber 686 1 ends pass upwards to extend through quirk partition wall 635 below the bar bow 651 of central supported bow 65 and lead to 681 bottoms, the 3rd combustion chamber by extending passage 6861, and the 3rd accumulation of heat chamber 686 the other ends are connected to the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688 respectively.

In like manner, as Fig. 9, shown in Figure 10, the 4th combustion heater 69 structures are intact identical with the 3rd combustion heater 68, repeat no more here, and wherein the 4th combustion chamber 691 is connected by chamber passage 6305 with the 3rd combustion chamber 681 and constituted related one group (Fig. 1, shown in Figure 8).

Wherein, as shown in Figure 6, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enters arm 682, the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688 and is in charge of 6671, first combustion exhaust by the first coal gas bustle pipe 6684, the first air bustle pipe, 6674, the first combustion exhaust bustle pipes 6694 and first gas manifold 6681, first air respectively and is in charge of 6691 and communicates.

As Fig. 1, Fig. 6, shown in Figure 10, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enters arm 692, the 4th air admission arm 697 and the 4th combustion exhaust exhaust outlet 698 and is in charge of 6673, second combustion exhaust by the second coal gas bustle pipe 6685, the second air bustle pipe 6675, the second combustion exhaust bustle pipe 6695 and second gas manifold 6683, second air respectively and is in charge of 6693 and communicates.

In sum, the 3rd burning heater 68, the 4th combustion heater 69 combustion principle and above first burning heater 62, second burning heater 60 are almost completely identical, repeat no more here.

As Fig. 1, shown in Figure 10, central supported bow 65, because the quirk partition wall 635 of the indoor ringwall 612 of pyrolytic gasification and internal combustion heating unit 67 all is arranged in the furnace chamber, need central supported bow 65 for it provides support, the laying of various pipelines is provided for again simultaneously internal combustion heating unit 67.

As Fig. 1, shown in Figure 10, central supported bow 65 is arranged in the furnace chamber of pyrolysis vaporizer 61, internal combustion heating unit 67 belows, mainly comprise some bar bow 651, fiery bow center ringwall 652, bar bends 651 1 ends and is fixed on the fiery bow center ringwall 652, the other end is fixed on the body of heater 91, bar bow 651 centers on ringwall 652 centers, the fiery bow center radial layout of scattering in interval at a certain angle, fire bow 651 in this example is 12 bows, and quantity is consistent with the 3rd burning heater 68 the 4th burning heater 69 sums that are mutually related of internal combustion heating unit 67.

As Fig. 1, shown in Figure 10, article one, in the body of wall of fire bow 651 the extension passage 6861 that the 3rd coal gas enters arm 682 and the 3rd accumulation of heat chamber 686 is set, tightly the 4th coal gas that arranges in the body of wall of another adjacent fire bow 651 enters the extension passage 6961 in arm 692 and the 4th accumulation of heat chamber 696, provide convenience for the pipeline laying of internal combustion heating unit 67, make the various conduit arrangements of internal combustion heating unit 67 orderly, be unlikely to interfere.

The second water saving coal gas reaction

Because coal gangue temperature in pyrolysis vaporizer is higher, feed water vapor to coal gangue again, the charcoal in the coal gangue pyrolysis after product and superheated vapour meet and carry out water-gas reaction generation water-gas (carbon monoxide and hydrogen).

As Fig. 1, Figure 10, shown in Figure 1, water-gas reaction device 7 comprises pyrolysis vaporizer 61, material heat sink 70, steam generation device 75.

As shown in Figure 1, pyrolysis vaporizer 61 is positioned at central supported and bends 65 tops, and material heat sink 70, steam generation device 75 are positioned at central supported and bend 65 belows.

As Fig. 1, shown in Figure 1, material heat sink 70 is arranged on and stretches out body of heater 91 bottoms, comprises high temperature cooling chamber 701, low temperature cooling chamber 702, cooling chamber's bridge bow 703; The top of high temperature cooling chamber 701 communicates with pyrolysis vaporizer 61 bottoms; High temperature cooling chamber 701 and low temperature cooling chamber 702 upper and lower settings, cooling chamber's bridge bow 703 is arranged between high temperature cooling chamber 701 and the low temperature cooling chamber 702, and cooling chamber's bridge bow 703 comprises that bridge bow 7031, steam chest 704, steam enter siphunculus 707; Article 4, bridge bow 7031 is partitioned into spoke shape layout at an angle with 702 centers of high temperature cooling chamber 701 and low temperature cooling chamber, bridge bends 7031 middle parts and forms steam chest 704, steam chest 704 is a cylindrical chamber, the top of steam chest 704 is provided with semisphere blast cap 708, and the lower openings of steam chest 704 is towards low temperature cooling chamber 702; Steam enters siphunculus 707 and is arranged in the bridge bow 7031, and steam enters siphunculus 707 1 ends and leads to steam chest 704, and the other end stretches out outside the body of heater 91.

As Fig. 1, shown in Figure 2, steam generation device 75 comprises annular hollow metal casing 755, steam pockets 754 and drum input tube 751, drum output tube 752, annular hollow metal casing 755 is installed in body of heater 91 bottoms, the interior annular space chamber 758 of annular hollow metal casing 755 is connected to low temperature cooling chamber 702 bottoms of material heat sink 70, the big up and small down funnel-form of interior annular space chamber 758 annular cavities, 755 casees interior formation of annular hollow metal casing seal the body of heater water bag 753 that is used for storage of water relatively, body of heater water bag 753 is connected to water inlet pipe 756 and drum input tube 751, water inlet pipe 756 communicates with water tank 757, drum input tube 751 is connected with steam pockets 754, and the drum output tube 752 of steam pockets 754 enters siphunculus 707 the other ends with the steam of material heat sink 70 and communicates.

Water-gas reaction principle method of the present invention is:

(1), water vapor enters siphunculus 707 to the low temperature cooling chamber 702 feeding water vapors of material heat sink 70 by drum input tube 752 and steam in the steam pockets 754, water vapor blows to low temperature cooling chamber 702, the solid product cooling in giving low temperature cooling chamber 702 behind the pyrolytic gasification, water vapor upwards seals in high temperature cooling chamber 701, give the high-temp solid product cooling after pyrolysis vaporizer 61 falls into a large amount of pyrolytic gasification of high temperature cooling chamber 701, when the solid of water vapor after giving pyrolytic gasification lowered the temperature, improve vapor temperature and form superheated vapour;

(2), superheated vapour passes central supported bow 65 and enters pyrolysis vaporizer 61, and contact with the high temperature coal gangue pyrolysis material of pyrolysis vaporizer 61, the charcoal after the coal gangue pyrolysis in the solid product and superheated vapour meet and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen);

(3), solid product behind the coal gangue pyrolytic gasification falls into high temperature cooling chamber 701 and the low temperature cooling chamber 702 of material heat sink 70 from pyrolysis vaporizer 61, the water vapor that upwards enters pyrolysis vaporizer 61 through low temperature cooling chamber 702 and high temperature cooling chamber 701 is heated as overheated high-temperature water vapor again, again the solid product behind the coal gangue pyrolytic gasification is lowered the temperature simultaneously, the solid product waste heat adds the thermosetting water vapor for the water in the body of heater water bag 753 in the recycling low temperature cooling chamber 702, water vapor enters in the steam pockets 754 by drum input tube 751, give and replenish a large amount of water vapors that consume because of water-gas reaction in the steam pockets 754, make water-gas reaction uninterruptedly to carry out continuously.

The a large amount of generation of water-gas reaction of the present invention is to carry out in pyrolysis vaporizer 61 middle and lower parts, this is because the coal gangue pyrolysis in this section pyrolysis vaporizer is abundant relatively, temperature is also higher relatively, feed the water vapor of hyperthermia and superheating this moment from the bottom of pyrolysis vaporizer 61, the charcoal in the solid product after overheated water vapor and the coal gangue pyrolysis is sharp mutually will to produce a large amount of water-gas; Certainly, water vapor is in giving high temperature cooling chamber 701 and low temperature cooling chamber 702 in the solid product temperature-fall period behind the coal gangue pyrolytic gasification, also can produce water-gas with charcoal remaining in the solid product behind the coal gangue pyrolytic gasification, but the amount that produces is less relatively, this height of charcoal remaining in the solid product behind this and the coal gangue pyrolytic gasification is few, and steam temperature neither be too high relevant.

The waste heat of the solid product that the temperature of utilization of the present invention behind the coal gangue pyrolytic gasification is relatively low carries out heat passage generation water vapor, the higher solid product of recycling water vapor and temperature directly contacts the generation superheated vapour, reach the temperature required of water-gas reaction, promote water-gas reaction to fill part more, both when reducing the solid product temperature, produce water vapor and superheated vapour again, this technological method that does not need to consume additional energy source meets energy-saving and cost-reducing that we advocate today, the theory of Sustainable development.

The 3rd joint raw gas take-up gear

Coal gangue produces the gas that contains a lot of useful compositions in the high temperature pyrolysis and gasification process, charcoal in the coal gangue pyrolysis after product and superheated vapour carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), more than be referred to as raw gas, need derive in order to utilize raw gas.

As Fig. 1, Fig. 8, shown in Figure 9, raw gas take-up gear 8 comprises raw gas concentration chamber 81, interior derivation passage 82, derives passage 83 outward, derives main channel 84, derives circuit 85; It is integrally formed that raw gas concentration chamber 81 is arranged on top and the pyrolysis vaporizer 61 of pyrolysis vaporizer 61; As Fig. 1, shown in Figure 8, article 6, deriving passage 82 in arranges in the quirk partition wall 635, pyrolysis vaporizer 61 was led at ringwall 612 middle parts in interior derivation feeder connection 821 passed, the raw gas concentration chamber 81 that ringwall 612 led to the pyrolysis vaporizer top in interior derivation channel outlet 822 was passed; As Fig. 1, shown in Figure 8, article 6, the outer passage 83 of deriving arranges in the exterior wall of body of heater 91, derive feeder connection 831 down outward, go up the outer feeder connection 834 of deriving and pass outer ring wall 611 middle parts and lead to pyrolysis vaporizer 61, derive channel outlet 832 outward and pass the raw gas concentration chamber 81 that outer ring wall 611 leads to the pyrolysis vaporizer top.

As Fig. 1, shown in Figure 7, deriving main channel 84 is arranged in the exterior wall of body of heater 91 of pyrolysis of coal stove, derivation main channel entrance 841 communicates with raw gas concentration chamber 81 and extends up in the exterior wall top derivation circuit 85 that body of heater 91 is set again, and derives circuit 85 and is provided with raw gas export mouth 851, raw gas export mouth 852.

As Fig. 1, Fig. 7, Fig. 8, shown in Figure 9, in this example because pyrolysis vaporizer's 61 annular chamber, so raw gas concentration chamber 81 is corresponding annular chamber also, article 6, deriving passage 82 in is separately positioned in the 6 road quirk partition walls 635, ringwall 612 leads to pyrolysis vaporizer 61 in passing, article 6, the outer passage 83 of deriving is separately positioned on and passes in the middle of body of heater 91 exterior walls and outer quirk partition wall 625 and outer ring wall 611 lead to pyrolysis vaporizer 61, wherein, because the circumference of pyrolysis vaporizer 61 is longer, so interior ringwall 612 in pyrolysis vaporizer 61, be respectively arranged with on the outer ring wall 611 and derive feeder connection 821 and the following outer feeder connection 831 of deriving in 6, go up the outer feeder connection 834 of deriving, again because the height height of pyrolysis vaporizer 61, interior feeder connection 821 and the following outer derivation feeder connection 831 of deriving, go up outer feeder connection 834 setting of staggering up and down of deriving, as shown in Figure 1, the interior feeder connection 821 of deriving is higher than the outer feeder connection 831 of deriving down, go up outer feeder connection 834 places of deriving but be lower than, this example adopts this structure can better derive the raw gas that different sections in the pyrolysis vaporizer 61 produce, also be provided with the big raw gas main channel 84 of 6 sectional areas around raw gas concentration chamber 81 in addition and lead to derivation circuit 85, the purpose of She Zhiing can conveniently derive a large amount of raw gas in the raw gas concentration chamber 81 like this.

As shown in Figure 1, the exterior wall at body of heater 91 is provided with the raw gas temperature monitoring hole 811 of leading to raw gas concentration chamber 81, placement raw gas thermometer 812 in the raw gas temperature monitoring hole 811.

As shown in Figure 3, raw gas thermometer 812 is electrically connected with industry control center 90, and industry control center 90 is by temperature in the raw gas thermometer 812 monitoring raw gas concentration chambers 81.

These routine characteristics will derive the passage 82 in interior derivation feeder connection 821 enters respectively by the different sections raw gas that produce in pyrolysis vaporizer 61, with derive feeder connection 831 down outward, go up the outer feeder connection 834 of deriving and enter the outer passage of deriving and go out to compile in the raw gas concentration chamber 81 in 83 again, certainly a large amount of raw gas in the pyrolysis vaporizer 61 are directly to rise up in the raw gas concentration chamber 81, enter derivation circuit 85 by deriving main channel 84, discharge from raw gas export mouth 851 at last.

The 4th joint continuous pyrolysis gasification

Comprehensively above-mentioned, these routine characteristics are that coal gangue pyrolysis, gasification (water-gas reaction), steam generation, raw gas are derived process integration in same body of heater, make that coal gangue pyrolysis, gasification (water-gas reaction), steam produce, raw gas is able to continuous realization.

As shown in Figure 1, coal gangue pyrolytic gasification stove 9 comprise body of heater 91, go into furnace charge storehouse 92, coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, hinge cage sealing discharging device 96, product feed bin 94; Coal gangue pyrolysis gasifying device 93 comprises coal gangue pyrolysis installation 6, water-gas reaction device 7, and the concrete structure of coal gangue pyrolysis installation 6, water-gas reaction device 7, raw gas take-up gear 8 is seen the above; Go into furnace charge storehouse 92 and be arranged on body of heater 91 tops, body of heater 91 tops are provided with into stove cloth passage 921, go into stove cloth passage 921 upper ends and go into furnace charge storehouse 92 and communicate, going into stove cloth passage 921 lower ends communicates with pyrolysis vaporizer 61 tops of coal gangue pyrolysis installation 6, hinge cage sealing discharging device 96 is arranged on 758 bottoms, interior annular space chamber of annular hollow metal casing 755 of the steam generation device 75 of water-gas reaction device 7, product feed bin 94 places body of heater 91 bottoms, connect hinge cage sealing discharging device 96 on the product feed bin 94, hinge cage sealing discharging device 96 belongs to prior art, as the sealing discharging device on the market, the sealing material returning device, sealing blanking device etc.

The method of this routine continuous pyrolysis gasification is:

(1), goes into the go into stove coal gangue pellet of stove coal gangue rotary conveyor 95 after with the damping dehydration by control and send in the furnace charge storehouse 92, again by going in the pyrolysis vaporizer 61 that stove cloth passage 921 enters coal gangue pyrolysis installation 6;

(2), purify the back gas-fired in the outer combustion gas heating unit 64 by coal gangue pyrolysis installation 6, interior gas-operated thermal bath facility 67 and thermal source be provided for pyrolysis vaporizer 61, coal gangue carries out pyrolysis under the hot environment in pyrolysis vaporizer 61;

(3), feed high-temperature water vapor by water-gas reaction device 7 from pyrolysis vaporizer 61 bottoms, and contact with the hot coal gangue pyrolysis material of the high temperature of pyrolysis vaporizer 61, the charcoal in the solid product after the coal gangue pyrolysis and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(4), solid product behind the coal gangue pyrolytic gasification falls into high temperature cooling chamber 701 and the low temperature cooling chamber 702 of material heat sink 70 from pyrolysis vaporizer 61, the water vapor that upwards enters pyrolysis vaporizer 61 through low temperature cooling chamber 702 and high temperature cooling chamber 701 is heated as overheated high-temperature water vapor again, again the solid product behind the coal gangue pyrolytic gasification is lowered the temperature simultaneously, the solid product waste heat adds the thermosetting water vapor to the water in the body of heater water bag 753 of the annular hollow metal casing 755 of steam generation device 75 in the recycling low temperature cooling chamber 702, water vapor enters in the steam pockets 754 by drum input tube 751, gives and replenishes a large amount of water vapors that consume because of water-gas reaction in the steam pockets 754;

(5), steam pockets 754 enters siphunculus 707 by drum input tube 752 and steam and feeds water vapors to the low temperature cooling chamber 702 of material heat sink 70 again, makes water-gas reaction uninterruptedly to carry out continuously;

(6), the gas that in the high temperature pyrolysis process, produces of coal gangue and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), be referred to as raw gas, raw gas is derived by the raw gas take-up gear 8 that arranges on the body of heater, in order to change that product reclaims and utilize, simultaneously the raw gas of comparatively high temps enter the raw gas take-up gear from pyrolysis vaporizer 61 tops derivation main channel 84 processes again to carrying out preheating from the coal gangue pellet of just going into stove of going into pyrolysis vaporizer 61 tops that stove cloth passage 921 enters;

(7) according to coal gangue pyrolytic gasification degree, the cage of control hinge in good time sealing discharging device 96 opens or cuts out, and the solid product after the coal gangue high temperature pyrolysis and gasification cooling in low temperature cooling chamber 702 and the interior annular space chamber 758 is entered in the product feed bin.

This example with coal gangue pyrolytic gasification process integration at the hot body of heater of same coal, realize continuous coal gangue pyrolytic gasification, the production efficiency height, the required factory building face of equipment is little, human cost is low, utilize simultaneously that waste heat produces water vapor in the solid product behind the pyrolytic gasification, utilize water vapor to lower the temperature for solid product behind the high temperature pyrolysis and gasification again and produce the needed high humidity superheated vapour of water-gas reaction simultaneously, have the characteristics of low consumption, environmental protection.

The comprehensive cyclic utilization of the 4th part, pyrolysis of coal gas

Chapter 1, the reclaiming clean utilization of raw gas (change product)

First segment raw gas condensing works

It is higher that the coal gangue pyrolytic gasification is discharged the raw gas temperature, carries before changing the product recovery for the ease of the high temperature raw gas, the high temperature raw gas sprayed ammoniacal liquor cool off.

The reclaiming clean of the second joint raw gas

Raw gas after ammoniacal liquor sprays carries out gas-liquid separation, contain multiple useful organic component such as carbolic oil, naphtalene oil, washing oil, carbolineum etc. in the mixed solution after the gas-liquid separation and be used for other auxiliary product of industry refinement, coal gas after the gas-liquid separation is after the air cooling cooling, become purified gas after the dry method reclaiming clean reclaims, purified gas can store for burning.

Chapter 2, raw gas reclaiming clean afterfire utilizes

Purified gas burning behind the first segment raw gas reclaiming clean

Being used for burning through the purified gas after the absorption provides thermal source for the coal gangue pyrolytic gasification.

Second joint utilizes purified gas burning back waste gas to saturated active coke regeneration heating

Hot waste gas after the purified gas burning is used for that to evaporate thermal regeneration be unsaturated activated coke because the adsorption cleaning raw gas forms saturated active coke.

The 3rd joint utilizes purified gas burning back hot waste gas to going into the damping of stove coal gangue pellet

Hot waste gas after the purified gas burning is used for the coal gangue pellet of going into the stokehold is carried out the damping dehydration.

Comprehensive above content draws a kind of coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device and method, this device mainly comprises coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, goes into stove coal gangue hot waste gas damping dewatering unit 1, concrete structure is seen the above, here repeat no more, at this moment only explain with regard to its annexation.

As shown in figure 24, the exhaust gas fan 666 of the gas reversing system 66 of coal gangue pyrolysis installation 6 is connected by pipeline with the hot waste gas admission passage 131 of going into stove coal gangue hot waste gas damping dewatering unit 1.

After the 6th step after above-mentioned the replenishing, increase by a step more in addition, the exhaust gas fan 666 of burning back waste gas in coal gangue pyrolysis installation 6 outer combustion gas heating units 64, the interior gas-operated thermal bath facility 67 by gas reversing system 66 entered hot waste gas admission passage 131 into stove coal gangue hot waste gas damping dewatering unit 1, carry out the damping dehydration to going into stove coal gangue pellet.

Chapter 3, the continuous coal gangue pyrolytic gasification of thermal cycling is comprehensive

The continuous coal gangue pyrolytic gasification of first segment thermal cycling and damping and exhaust gas cleaner and method

Comprehensive above content draws a kind of thermal cycling continuous coal gangue pyrolytic gasification damping and exhaust gas cleaner and method, as shown in figure 24, this device comprises coal gangue pyrolytic gasification stove 9, go into stove coal gangue rotary conveyor 95, go into stove coal gangue bucket elevator 18, discharge transfer roller 15, go into stove coal gangue hot waste gas damping dewatering unit 1, tail gas water is washed one's hair cleaner 16, infeed belt conveyor 17; Wherein coal gangue pyrolytic gasification stove 9 comprise body of heater 91, go into furnace charge storehouse 92, coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, hinge cage sealing discharging device 96, product feed bin 94, concrete structure is seen the above, repeats no more here; Wherein go into stove coal gangue rotary conveyor 95, go into stove coal gangue bucket elevator 18, discharge transfer roller 15, infeed belt conveyor 17 be the universal product on the market, concrete structure also repeats no more here, only explains with regard to their annexation here.

As shown in figure 23, go into stove coal gangue rotary conveyor 95, go into stove coal gangue bucket elevator 18, discharge transfer roller 15, infeed belt conveyor 17, hinge cage sealing discharging device 96 link with industry control center 90, by industry control center 90 automatically control go into stove coal gangue rotary conveyor 95, go into stove coal gangue bucket elevator 18, the work of discharge transfer roller 15, infeed belt conveyor 17, hinge cage sealing discharging device 96.

As shown in figure 24, infeed belt conveyor 17 is arranged on opening for feed 112 places into stove coal gangue hot waste gas damping dewatering unit 1, discharge transfer roller 15 1 terminates at blanking bin 14 bottoms, discharge transfer roller 15 the other ends are connected on into stove coal gangue bucket elevator 18 bottoms, go into stove coal gangue bucket elevator 18 tops and insert stove coal gangue rotary conveyor 95, going into stove coal gangue rotary conveyor 95 is connected on into furnace charge storehouse 92, second gas conveying tube of the activated coke dry method withdrawer that the raw gas export mouth 851 of raw gas take-up gear 8 can connect (figure does not look and illustrates), also can connect other raw gas refining plants on the market, as long as the coal gas after will purifying is connected with the gas fan 665 of gas reversing system 66 by pipeline, exhaust gas fan 666 is connected with the hot waste gas admission passage 131 of going into stove coal gangue hot waste gas damping dewatering unit 1, and the tail gas that the low temperature waste gas relief outlet 138 external exhaust fans 137 (shown in Figure 1) of going into stove coal gangue hot waste gas damping dewatering unit 1 and tail gas water are washed one's hair cleaner 16 enters pipe 169 and connects.

This routine thermal cycling continuous coal gangue pyrolytic gasification damping and exhaust purifying method are:

(1), the common coal gangue pellet after infeed belt conveyor 17 will be pulverized is sent into and is carried out the damping dehydration in the stove coal gangue hot waste gas damping dewatering unit 1;

(2), after the damping dehydration go into stove coal gangue pellet by discharge transfer roller 15, go into stove coal gangue bucket elevator 18, go into stove coal gangue rotary conveyor 95 and send into coal gangue pyrolytic gasification stove 9 and carry out the gasification of high temperature continuous pyrolysis;

(3), the solid product behind the pyrolytic gasification enters product feed bin 94, the raw gas that produces in the pyrolytic gasification carries out gas two and advances a regenerative heat exchange mode that outes and burn and provide thermal source to the coal gangue pyrolytic gasification through purifying in the coal gangue pyrolysis installation 6 of sending into coal gangue pyrolytic gasification stove 9;

(4), the hot waste gas after will burning is sent in the stove coal gangue hot waste gas damping dewatering unit 1 by exhaust gas fan 666 and hot waste gas admission passage 131, utilize the waste heat of hot waste gas thermal source to be provided for the damping dehydration of the coal gangue pellet after pulverizing, lower the temperature to hot waste gas again simultaneously;

(5), the hot waste gas after will lowering the temperature enters pipe 169 by exhaust fan 137 and tail gas and sends into tail gas water and wash one's hair and carry out water in the cleaner 16 and wash one's hair purifying and dedusting and cooling again, obtains ordinary temp at last and clean waste gas discharges in atmosphere.

The continuous coal gangue pyrolytic gasification of second joint thermal cycling composite technology

Comprehensive above content draws the complete composite technology of the continuous coal gangue pyrolytic gasification of a kind of thermal cycling, includes stove coal gangue hot waste gas damping dehydration, coal gangue pyrolytic gasification, raw gas condensation, raw gas reclaiming clean, tail gas water and washes one's hair purification etc.

The control of the continuous coal gangue pyrolytic gasification of the 3rd joint thermal cycling composite technology

The various electrical equipments that use in the technologies such as UTILIZATION OF VESIDUAL HEAT IN of the hot waste gas after the present invention is burnt, burnt by coal gangue pyrolytic gasification, raw gas reclaiming clean, purified gas are controlled, and make that the continuous coal gangue pyrolytic gasification of thermal cycling is smooth.

Above content introduction just exemplifies a tool embodiment of thermal cycling continuous coal gangue pyrolytic gasification integration unit and technology, does not constitute the restriction to this case thermal cycling continuous coal gangue pyrolytic gasification integration unit and technology protection domain.

Claims

1. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device is characterized in that: mainly comprise coal gangue pyrolysis gasifying device, raw gas take-up gear, go into stove coal gangue hot waste gas damping dewatering unit; Described coal gangue pyrolysis gasifying device mainly comprises coal gangue pyrolysis installation and water-gas reaction device, described coal gangue pyrolysis installation is arranged on the body of heater middle part, comprise that mainly pyrolysis vaporizer, outer combustion gas heating unit, interior gas-operated thermal bath facility, central supported bow constitute, described pyrolysis vaporizer constitutes an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around pyrolysis vaporizer's exterior wall ring periphery is outer combustion gas heating unit, is interior gas-operated thermal bath facility in the indoor ringwall ring of pyrolytic gasification; Described water-gas reaction device comprises pyrolysis vaporizer, the material heat sink, steam generation device, the pyrolysis vaporizer of described pyrolysis vaporizer and coal gangue pyrolysis installation is same chamber, pyrolysis vaporizer is positioned at central supported bow top, described material heat sink, steam generation device is positioned at central supported bow below, described material heat sink comprises high temperature cooling chamber, low temperature cooling chamber, cooling chamber's bridge bow, the top of high temperature cooling chamber communicates bottom pyrolysis vaporizer, high temperature cooling chamber and low temperature cooling chamber upper and lower settings, cooling chamber's bridge bow is arranged between high temperature cooling chamber and the low temperature cooling chamber, and described cooling chamber bridge bow comprises the bridge bow, steam chest, steam enters siphunculus; Bridge bow middle part forms steam chest, the lower openings of steam chest is towards low temperature cooling chamber, steam enters siphunculus and is arranged in the bridge bow, steam enters siphunculus one end and leads to steam chest, the other end stretches out outside the stove, described steam generation device comprises annular hollow metal casing, steam pockets and drum input tube, the drum output tube, annular hollow metal casing is installed in bottom of furnace body, the interior annular space chamber of annular hollow metal casing is connected to the low temperature cooling chamber bottom of material heat sink, form the body of heater water bag that sealing relatively is used for storage of water in the annular hollow metal casing case, body of heater water bag is connected to water inlet pipe and drum input tube, water inlet pipe communicates with water tank, drum input tube and steam pockets are connected, and the drum output tube of steam pockets enters the siphunculus the other end with the steam of material heat sink and communicates; Described raw gas take-up gear comprises the raw gas concentration chamber, the interior passage of deriving, the outer passage of deriving, derive the main channel, derive circuit, it is integrally formed that described raw gas concentration chamber is arranged on top and the pyrolysis vaporizer of pyrolysis vaporizer, the interior passage of deriving arranges in the quirk partition wall, pyrolysis vaporizer was led at the ringwall middle part in interior derivation feeder connection passed, the interior channel outlet that derives is passed the raw gas concentration chamber that interior ringwall leads to the pyrolysis vaporizer top, the described outer passage of deriving arranges in the exterior wall of body of heater, derive feeder connection down, the derivation feeder connection leads to pyrolysis vaporizer in the middle part of passing outer ring wall outside going up, the outer channel outlet that derives is passed the raw gas concentration chamber that outer ring wall leads to the pyrolysis vaporizer top, described derivation main channel is arranged in the exterior wall of body of heater of pyrolysis of coal stove, derivation main channel entrance communicates with the raw gas concentration chamber and extends up in the exterior wall top derivation circuit that body of heater is set again, and derives circuit and is provided with the raw gas export mouth; Describedly go into stove coal gangue hot waste gas damping dewatering unit and mainly comprise housing, steam steam discharge exporter, waste gas heat exchange water trap, blanking bin; Form feed bin in the described housing, feed bin relative closure top only is provided with opening for feed, and described blanking bin is arranged on housing bottom and communicates with feed bin; Described steam steam discharge exporter comprises steam derivation house steward, at least one above steam is derived umbrella road, vapor collection standpipe, water of condensation discharge manifold, steam is derived the umbrella road and is umbrella shape inclination bending member, and many steam are derived the umbrella road and are horizontally installed in the feed bin at interval by rule; The vapor collection standpipe vertically is arranged in the relative both sidewalls of housing, and steam is derived two ends, umbrella road and is separately fixed on the both sidewalls vapor collection standpipe, and the curved recessed interior vapor collection standpipe of bending member is provided with the steam export mouth; Steam is derived in the sidewall of the upper shell that house steward is arranged on the vapor collection standpipe, steam is derived house steward and is communicated with the vapor collection riser upper, steam is derived house steward and also is provided with the water vapor relief outlet, the water of condensation discharge manifold is arranged in the sidewall of below housing of vapor collection standpipe, the water of condensation discharge manifold communicates with vapor collection standpipe bottom, and the water of condensation discharge manifold also is provided with condensed water discharge outlet; Described waste gas heat exchange water trap comprises hot waste gas admission passage, hot waste gas inlet chamber, radiating pipe, radiating pipe serial connection passage, waste gas transition chamber, low temperature waste gas discharge chamber, the hot waste gas inlet chamber is arranged in middle and upper part one sidewall of housing, the waste gas transition chamber is arranged in the another side sidewall relative with the hot waste gas inlet chamber of housing, low temperature waste gas is discharged the chamber and is arranged in lower part of frame and the same sidewall of hot waste gas inlet chamber, and low temperature waste gas is discharged the chamber and is provided with the low temperature waste gas relief outlet; Several radiating pipe serial connection passages are the parallel inside feed bin that passes across housing in twos, be connected between hot waste gas inlet chamber and the waste gas transition chamber and waste gas transition chamber and low temperature waste gas are discharged between the chamber, one end of last radiating pipe serial connection passage communicates with the hot waste gas inlet chamber and the other end sealing, and an end of next bar radiating pipe serial connection passage seals and the other end communicates with the waste gas transition chamber; In like manner, between waste gas transition chamber and low temperature waste gas discharge, an end that also is last radiating pipe serial connection passage communicates with the waste gas transition chamber and the other end sealing, the one end sealing of next bar radiating pipe serial connection passage and the other end communicates with low temperature waste gas discharge chamber, the rest may be inferred, several radiating pipes also adopt metallic substance to make, several radiating pipes are spaced at radiating pipe serial connection passage, heat radiation one terminates on the parallel last radiating pipe serial connection passage, the other end is connected on the radiating pipe serial connection passage of parallel next bar, parallel in twos radiating pipe serial connection passage is connected mutually, be about to hot waste gas inlet chamber and waste gas transition chamber and connect, waste gas transition chamber and low temperature waste gas are discharged the chamber connection; To purify from the raw gas that the raw gas export mouth is discharged, raw gas after the purification is delivered to the outer combustion gas heating unit of coal gangue pyrolysis installation again, interior gas-operated thermal bath facility burns, and waste gas after burning is delivered to hot waste gas admission passage into the waste gas heat exchange water trap of stove coal gangue hot waste gas damping dewatering unit by pipeline again.

2. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 1, it is characterized in that: described coal gangue pyrolysis installation also comprises the gas reversing system, described outer combustion gas heating unit is mainly some groups of identical related first combustion heaters of structure, second combustion heater constitutes, described first combustion heater mainly comprises first combustion chamber, first coal gas enters arm and first regenerative heat exchanger, first coal gas enters arm and passes the body of heater exterior wall and lead in first combustion chamber, the body of heater exterior wall that first combustion chamber is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that pyrolysis vaporizer's outer ring wall and outer quirk partition wall surround a relative closure, described first regenerative heat exchanger comprises the first accumulation of heat chamber, first heat storage, the first air admission arm and the first combustion exhaust exhaust outlet, the first accumulation of heat chamber is arranged in the body of heater exterior wall, first heat storage arranges in the first accumulation of heat chamber, the first accumulation of heat chamber, one end leads to bottom, first combustion chamber, the other end is connected to the first air admission arm and the first combustion exhaust exhaust outlet respectively, in like manner identical second combustion heater of structure also mainly comprises second combustion chamber, second coal gas enters arm and second regenerative heat exchanger, the top of outer quirk partition wall is provided with the combustion chamber through hole between described first combustion chamber and next-door neighbour's second combustion chamber, and the combustion chamber through hole is connected first combustion chamber and next-door neighbour's second combustion chamber and constituted related one group; Gas-operated thermal bath facility is mainly by some groups of association the 3rd combustion heaters that structure is identical in described, the 4th combustion heater, its structure and related first burning heater, second burning heater is formed almost completely identical, the gas-fired quirk that the indoor ringwall of pyrolytic gasification and internal-quirk partition wall surround a relative closure is made by fire-resistant thermally conductive material in the 3rd combustion chamber of different is the 3rd combustion heater, the 3rd coal gas enters arm and passes below the bar bow of central supported bow and upwards lead to the 3rd combustion chamber, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage places the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward below the bar bow of central supported bow and leads to bottom, the 3rd combustion chamber by extending passage, the 3rd accumulation of heat chamber the other end is connected to the 3rd air admission arm and the 3rd combustion exhaust exhaust outlet respectively, the top of internal-quirk partition wall is provided with chamber passage between described the 3rd combustion chamber and next-door neighbour's the 4th combustion chamber, and chamber passage is connected the 3rd combustion chamber and next-door neighbour's the 4th combustion chamber and constituted related one group; Described gas reversing system comprises dish, lower wall, the rotation reversing motor, air blower, gas fan, exhaust gas fan, lower wall is connected to an air person in charge respectively and first air is in charge of, second air is in charge of, a coal gas is responsible for and first gas manifold, second gas manifold, combustion exhaust is responsible for and second combustion exhaust is in charge of, first combustion exhaust is in charge of, wherein second combustion exhaust is in charge of to be in charge of to be in charge of with first air with first combustion exhaust and is in charge of with second air and the setting of first gas manifold and second gas manifold is just exchanged, last dish is fitted in the lower wall top, on coil respectively that correspondence is provided with the air pipe connecting, the coal gas pipe connecting, the combustion exhaust pipe connecting, thereby the rotation reversing motor drive to be gone up dish and is back and forth rotated on lower wall and realize that air is responsible for constantly to be in charge of to be in charge of with second air with first air and connect and cut off conversion, coal gas is responsible for constantly and is connected and cut off conversion with first gas manifold and second gas manifold, and combustion exhaust is responsible for constantly to be in charge of to be in charge of with first combustion exhaust with second combustion exhaust and is connected and cut off conversion; Wherein, described first air is in charge of with the first air admission arm, the 3rd air admission arm and is connected, simultaneously, described first gas manifold and first coal gas enter arm, the 3rd coal gas enters arm and connects, described first combustion exhaust was in charge of with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet and was connected simultaneously this moment; In like manner, second air is in charge of with the second air admission arm, the 4th air admission arm and is connected, simultaneously, second gas manifold and second coal gas enter arm, the 4th coal gas enters arm and connects, meanwhile, second burning gas is in charge of with the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet and is connected.

3. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 2, it is characterized in that: described coal gangue pyrolysis installation comprises that also two groups of bustle pipes are arranged on the periphery of body of heater, comprise the first air bustle pipe, the first coal gas bustle pipe, the first combustion exhaust bustle pipe; The second air bustle pipe, the second coal gas bustle pipe, the second combustion exhaust bustle pipe; Wherein said first air is in charge of by the first air bustle pipe and the first air admission arm, the 3rd air admission arm and is connected, simultaneously, described first gas manifold enters arm, the 3rd coal gas by the first coal gas bustle pipe and first coal gas and enters arm and connect, described first combustion exhaust was in charge of by the first combustion exhaust bustle pipe and was connected with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet simultaneously this moment; In like manner, second air is in charge of by the second air bustle pipe and the second air admission arm, the 4th air admission arm and is connected, simultaneously, second gas manifold enters arm, the 4th coal gas by the second coal gas bustle pipe and second coal gas and enters arm and connect, meanwhile, second burning gas is in charge of by the second combustion exhaust bustle pipe and is connected with the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet.

4. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 2 is characterized in that: the exhaust gas fan of the gas reversing system of described coal gangue pyrolysis installation is connected by pipeline with the hot waste gas admission passage of going into stove coal gangue hot waste gas damping dewatering unit.

5. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 1, it is characterized in that: described outer combustion gas heating unit mainly is divided into upper, middle and lower syllogic heating, and every section has 9 groups of identical first combustion heaters of structure, second combustion heater to constitute.

6. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 1, it is characterized in that: gas-operated thermal bath facility mainly is divided into upper and lower two-section type heating in described, and every section has 6 groups of identical the 3rd combustion heaters of structure, the 4th combustion heater to constitute.

7. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 1, it is characterized in that: the radiating pipe of described waste gas heat exchange water trap is " U " type, U-shaped radiating pipe is two rows at radiating pipe serial connection passage and arranges, the U-shaped radiating pipe of a last row is inverted U, and the U-shaped mouth of the U-shaped radiating pipe of a last row is relative with next U-shaped mouth of arranging U-shaped radiating pipe.

8. coal gangue pyrolytic gasification raw gas combustion heat waste gas humidity control device as claimed in claim 1, it is characterized in that: the steam of described steam steam discharge exporter is derived the rule lateral arrangement that the umbrella road is listed as by three rows five on feed bin top, and the steam of arranging material one row five row at the feed bin middle part is derived the umbrella road, derives the umbrella road at the steam of feed bin lower disposed material one row five row.