CN106256878A - A kind of pulverized coal pyrolysis system and method with built-in dust arrester - Google Patents
A kind of pulverized coal pyrolysis system and method with built-in dust arrester Download PDFInfo
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- CN106256878A CN106256878A CN201610756536.5A CN201610756536A CN106256878A CN 106256878 A CN106256878 A CN 106256878A CN 201610756536 A CN201610756536 A CN 201610756536A CN 106256878 A CN106256878 A CN 106256878A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/18—Modifying the properties of the distillation gases in the oven
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Industrial Gases (AREA)
Abstract
The present invention relates to a kind of pulverized coal pyrolysis system and method with built-in dust arrester.The system of the present invention includes reactor, cyclone separator, spray equipment, heat exchanger, and the pyrolysis oil gas generated in reactor enters in spray equipment via cyclone separator, and the semicoke of generation enters in heat exchanger；Reactor has the dividing plate arranged along short transverse, reactor is divided into pyrolysis zone and dedusting area, and communicate bottom pyrolysis zone and dedusting area, reactor has sidewall a positioned opposite and sidewall a ＇, wherein, dedusting area includes sidewall a positioned opposite and dividing plate, and, sidewall a and dividing plate are disposed with multiple swash plate, swash plate has end b and end b ＇, and its medial end portions b is fixed on dividing plate or sidewall a, and b ＇ is unsettled in end, the end b of two adjacent swash plates is separately fixed on dividing plate and sidewall a so that two adjacent swash plates are arranged in a crossed manner.The present invention can effectively extract the petroleum resources in fine coal, and efficiency of dust collection is high, simplifies subsequent handling.
Description
Technical field
The present invention relates to chemical field, particularly relate to a kind of pulverized coal pyrolysis system and method, this system has built-in dedusting
Device, can effectively reduce the dustiness of thermal decomposition product.
Background technology
Along with the development of technology, the accounting of fine coal increases severely the most therewith.Wherein, middle low-rank coal contains
Substantial amounts of petroleum resources, directly burn not only serious environment pollution by it, also results in energy waste.Middle low order fine coal is carried out heat
Solving reaction, preparation oil, gas, charcoal are one of effective ways of petroleum resources in low order fine coal in extraction.
At present, all there is the problem that tar dustiness is high in the most all of pyrolytic technique.Existing dedusting technology is main
Including cyclone dust collection technology, metal screen dedusting technology, grain bed dedusting technology.Wherein, the efficiency of dust collection of cyclone dust collection technology
Relatively low；The generation high temperature corrosion relatively low, easy of the bearing temperature of metal screen dedusting technology and oxidation；Grain bed dedusting technology efficiency is relatively
High.But, current dedusting technology mainly uses external, is both needed to heating and thermal insulation, it is to avoid tar in high-temperature oil gas dust removal process
Second pyrolysis or condensation, cause the loss of tar.
Summary of the invention
In view of the deficiencies in the prior art, it is desirable to provide a kind of pulverized coal pyrolysis system with built-in dust arrester and
Method.This system and method can effectively extract the petroleum resources in fine coal, and reduces the dustiness of thermal decomposition product, has higher
Efficiency of energy utilization.
The invention discloses a kind of pulverized coal pyrolysis system with built-in dust arrester, described system includes: reactor, rotation
Wind separator, spray equipment, heat exchanger；
Described reactor has fine coal entrance, pyrolysis oil gas vent, semicoke outlet；
Described cyclone separator has entrance and exit, and described entrance can receive and go out via the pyrolysis oil gas of described reactor
The pyrolysis oil gas that mouth is discharged, described cyclone separator is for separating the dust in described pyrolysis oil gas；
Described spray equipment heat after receiving the described separation dust discharged via the outlet of described cyclone separator
Solve oil gas；
Described heat exchanger has semicoke entrance, and this semicoke entrance is exported discharge for receiving by the semicoke of described reactor
Semicoke；
Wherein, described reactor has along described height for reactor direction arrange dividing plate, described dividing plate by described instead
Device is answered to be divided into pyrolysis zone and dedusting area；Communicate bottom described pyrolysis zone and described dedusting area；
Described reactor has sidewall a positioned opposite and sidewall a ＇, and wherein, described dedusting area includes institute positioned opposite
State sidewall a and described dividing plate；Further, described sidewall a and described dividing plate are disposed with multiple swash plate；
Described swash plate has end b and end b ＇, and its medial end portions b is fixed on described dividing plate or described sidewall a, end b ＇
Unsettled；The end b of two adjacent swash plates is separately fixed on described dividing plate and described sidewall a so that said two is adjacent
Swash plate is arranged in a crossed manner.
Further, the swash plate in described reactor is 45 °～75 ° with the angle of horizontal direction.
Further, described swash plate in the horizontal direction be projected as the 4/5～9/10 of described dedusting area width；
The end b ＇ of described swash plate is described dedusting area width with the vertical dimension of the described dividing plate of opposite side or described sidewall a
The 1/10～1/5 of degree.
Further, the angle between the swash plate that said two is adjacent is 30 °～90 °.
Further, described dedusting area cross-sectional area is the 1/32～1/4 of described pyrolysis zone cross-sectional area.
Further, the bottom of described dividing plate is provided with level-sensing device；Described level-sensing device vertical with described dividing plate lower end away from
From for 100～500；
Described pyrolysis zone is provided with radial canal from top to bottom；Described radial canal is connected with fuel gas inlet and exhanst gas outlet.
In above-mentioned system, farther include to be pyrolyzed oil gas unit, semicoke unit, flue gas unit；
Reactor that described pyrolysis oil gas unit includes being sequentially connected with, cyclone separator, spray equipment, purifier, gas
Cabinet and oil tank, fuel gas inlet；
Reactor that described semicoke unit includes being sequentially connected with, heat exchanger, semicoke warehouse；
Reactor that described flue gas unit includes being sequentially connected with, heat exchanger, exsiccator.
The invention also discloses a kind of method utilizing said system to process fine coal, said method comprising the steps of:
Fine coal is transported in described reactor via the fine coal entrance of described reactor, obtains high temperature through pyrolytic reaction
Semicoke and pyrolysis oil gas, described pyrolysis oil gas enters described dedusting area and carries out dedusting, obtains the pyrolysis oil gas of rough dusting；
The pyrolysis oil gas of described rough dusting, after described pyrolysis oil gas cell processing, obtains pyrolysis oil and pyrolysis gas；
Described high-temperature semi-coke, after described semicoke cell processing, obtains low temperature semicoke.
In the method for above-mentioned process fine coal, the particle diameter≤3mm of described fine coal, moisture content is≤30wt%.
In the method for above-mentioned process fine coal, the temperature of described high-temperature semi-coke is 450～650 DEG C, the temperature of described low temperature semicoke
Degree is 200～350 DEG C.
The system and method for the present invention can effectively extract the petroleum resources in fine coal, uses built-in dust arrester, can profit
Using internal system sensible heat, it is not necessary to external heat source, efficiency of energy utilization is high.
This system can effectively reduce the dustiness of pyrolysis oil gas, it is to avoid the condensation of tar and second pyrolysis, enormously simplify
The subsequent treatment operation of pyrolysis oil gas, low order fine coal in can be used for processing on a large scale.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the pulverized coal pyrolysis system in the embodiment of the present invention with built-in dust arrester.
Fig. 2 is the device schematic diagram of pyrolysis reactor in the embodiment of the present invention.
Reference in accompanying drawing is as follows:
1, rotary kiln；
2, feed bin；
3, feed auger；
4, pyrolysis reactor；4a, pyrolysis zone；4b, dedusting area；4-1, radial canal；4-2, exhanst gas outlet；4-3, combustion gas are entered
Mouthful；4-4, level-sensing device；4-5, pyrolysis oil gas vent；4-6, swash plate；4-7, dividing plate；
5, cyclone separator；
6, ash room；
7, spray column；
8, purifier；
9, oil tank；
10, gas holder；
11, discharging spiral；
12, heat exchanger；
13, semicoke warehouse.
Detailed description of the invention
Below in conjunction with drawings and Examples, the detailed description of the invention of the present invention is described in more details, in order to energy
The advantage being enough more fully understood that the solution of the present invention and its various aspects.But, specific embodiments described below and reality
Executing example is only descriptive purpose rather than limitation of the present invention.
According to the schematic flow sheet shown in Fig. 1, the embodiment of the present invention can have the fine coal heat of built-in dust arrester
Solution system is divided into three unit: be pyrolyzed oil gas unit, semicoke unit, flue gas unit.
The system and method for the present invention is described in detail by the flow chart below in conjunction with these three unit.
1. pyrolysis oil gas unit includes being sequentially connected with reactor, cyclone separator, spray equipment, purifier, gas holder
With oil tank, fuel gas inlet.
In the embodiment of the present invention, said apparatus is respectively pyrolysis reactor 4, cyclone separator 5, spray column 7, purifier
8, gas holder 10 and oil tank 9, fuel gas inlet 4-3.
First pyrolysis reactor 4 is described:
As shown in Figure 2, pyrolysis reactor 4 is square shape vertical structure, and the main pseudosection of top and bottom is trapezoidal.
Being provided with dividing plate 4-7 in pyrolysis reactor 4, it is arranged, by reactor longitudinal subdivision along the short transverse of reactor
It is two regions: pyrolysis zone 4a and dedusting area 4b.Further, pyrolysis zone 4a connects with the bottom of dedusting area 4b.
The reactor of the embodiment of the present invention has sidewall a and sidewall a ＇.Further, sidewall a and sidewall a ＇ is positioned opposite, side
Wall a and dividing plate 4-7 is positioned opposite, and dividing plate 4-7 and sidewall a ＇ is the most positioned opposite.I.e. in the square shape vertical reactor of the present invention,
Sidewall a, dividing plate 4-7, sidewall a ＇ are parallel to each other.
Further, dedusting area 4b includes that sidewall a and dividing plate 4-7, pyrolysis zone 4a include dividing plate 4-7 and sidewall a ＇.
On the sidewall a and dividing plate 4-7 of dedusting area 4b, it is evenly arranged multiple swash plate 4-6 from bottom to top.It is at sidewall a
It is respectively m and n with the quantity on dividing plate 4-7.Herein, the numerical value representated by m and n can be the same or different.
Each swash plate 4-6 has two ends, is respectively designated as end b and end b ＇.Wherein, end b is fixed on sidewall a
Or on dividing plate 4-7, end b ＇ is unsettled in the 4b of dedusting area.Further, when the end b of swash plate 4-6 is fixed on sidewall a, its phase
The end b of adjacent swash plate 4-6 is each attached on dividing plate 4-7 so that the swash plate 4-6 that each two is adjacent presents side arranged in a crossed manner
Formula.
In the embodiment of the present invention, the width of dedusting area 4b is W, and dedusting area 4b cross-sectional area is pyrolysis zone 4a cross-sectional area
1/32～1/4.
In the present embodiment, swash plate 4-6 is 45 °～75 ° with the angle of horizontal direction.Further, swash plate 4-6 is in the horizontal direction
Projection be 4/5W～9/10W.
The end b ＇ of swash plate 4-6 is 1/10W～1/5W with the vertical dimension of the dividing plate 4-7 or sidewall a of opposite side.
The scope of the angle between the swash plate 4-6 that each two is adjacent is 30 °～90 °.
On the swash plate 4-6 of the top arranged on sidewall a, it is provided with pyrolysis oil gas vent 4-5.
Pyrolysis zone 4a is provided with multiple radial canal 4-1, its layer distributed from top to bottom in the 4a of pyrolysis zone.Radial canal 4-
The two ends of 1 are connected with fuel gas inlet 4-3 and exhanst gas outlet 4-2 respectively, and the horizontal level of fuel gas inlet 4-3 is at exhanst gas outlet
Under the horizontal level of 4-2.
Pyrolysis reactor 4 includes feed bin 2 and feed auger 3.Wherein, feed auger 3 is positioned at the lower end of feed bin 2, and with
The fine coal entrance at 4a top, pyrolysis zone connects.Meanwhile, feed bin 2 is also connected with rotary kiln 1.
Trapezoidal portions bottom the 4a of pyrolysis zone is provided with level-sensing device 4-4, and it is 100 with vertical dimension H of dividing plate 4-7 lower end
～500.Dividing plate 4-7 bottom is provided with discharging spiral 11, and the semicoke outlet bottom discharging spiral 11 and pyrolysis reactor 4 is even
Connect.
The pyrolytic reaction process carried out in pyrolysis reactor 4 is as follows:
By in the fine coal feedstock delivery of particle diameter≤3mm to rotary kiln 1, it is dried the moisture content≤30wt% to fine coal
(wt% is mass percent), is then carried it to feed bin 2, is carried by fine coal entrance under the effect of feed auger 3
To the 4a of pyrolysis zone, carry out pyrolytic reaction, obtain high-temperature semi-coke and pyrolysis oil gas.
The temperature of pyrolysis oil gas is 450～600 DEG C, and it is by the region communicated bottom pyrolysis zone 4a and dedusting area 4b, warp
Run to the 4b of dedusting area by pyrolysis zone 4a.Pyrolysis oil gas constantly collides with the swash plate 4-6 in the 4b of dedusting area, therein
Dust will drop to bottom pyrolysis reactor 4, thus pyrolysis oil gas can be carried out preliminary dedusting.
The dedusting area 4b built-in in pyrolysis reactor 4 efficiency of dust collection >=85wt% to pyrolysis oil gas.
The pyrolysis oil gas of rough dusting is discharged via pyrolysis oil gas vent 4-5, and is transported in cyclone separator 5 enter
The separation dedusting of one step, the dust being deposited on bottom is expelled in ash room 6.And the pyrolysis oil gas after the dedusting of upper strata, via whirlwind
After the separation on separator 5 top, oil gas vent is expelled in spray column 7.Spray column 7 is used for pyrolysis oil gas is carried out spraying cooling,
Pyrolysis oil therein is tentatively cooled down, pyrolysis gas is carried out preliminary purification simultaneously.
The oil gas discharged via the oil gas vent of spray column 7 is admitted in purifier 8, obtains pyrolysis oil and heat after purification
Vent one's spleen.Pyrolysis oil is stored in oil tank 9, and pyrolysis gas is stored in gas holder 10.
Pyrolysis gas is transported in radial canal 4-1 via fuel gas inlet 4-3, provides heat for pyrolysis reactor 4.
Owing to pyrolysis oil temperature is higher and has corrosivity, therefore, swash plate 4-6 material select be high temperature resistant and
Corrosion resistant rustless steel.Meanwhile, dividing plate 4-7 is to be made by stainless steel material that is heat-resisting and that readily conduct heat so that pyrolysis zone
The heat of 4a can be for delivery in the 4b of dedusting area, it is to avoid pyrolysis gas condenses in the 4b of dedusting area.
2. semicoke unit includes being sequentially connected with reactor, heat exchanger, semicoke warehouse.
In the embodiment of the present invention, above-mentioned each device is respectively pyrolysis reactor 4, heat exchanger 12, semicoke warehouse 13.
Above-mentioned 1. in the high-temperature semi-coke temperature that obtains of pyrolytic reaction be 450～650 DEG C, along with pyrolytic reaction carrying out gradually
Heap is to bottom pyrolysis reactor 4.When the high-temperature semi-coke height piled up reaches level-sensing device 4-4 top, start discharging spiral 11；Directly
During to high-temperature semi-coke height reduction to level-sensing device 4-4 bottom, close discharging spiral 11, stop discharging.
After high-temperature semi-coke is via discharging spiral 11 discharging, be transported in heat exchanger 12, and with low-temperature flue gas therein
Carry out heat exchange, cause high-temperature semi-coke temperature to reduce, obtain the low temperature semicoke of 200～350 DEG C, be then stored at semicoke warehouse 13
In.
3. flue gas unit includes being sequentially connected with reactor, heat exchanger, exsiccator.
In the embodiment of the present invention, said apparatus is respectively pyrolysis reactor 4, heat exchanger 12, rotary kiln 1.
The low-temperature flue gas temperature discharged by the exhanst gas outlet 4-2 of radial canal 4-1 is 80～90 DEG C, and low-temperature flue gas is transported to
In heat exchanger 12, carrying out heat exchange with high-temperature semi-coke therein, flue gas after being heated up, its temperature is 150～220 DEG C.After intensification
Flue gas is delivered in rotary kiln 1 fine coal raw material therein is carried out drying and processing.
Embodiment
Particle diameter≤3, the fine coal of moisture content 9% that are dried through rotary kiln 1 are transported in feed bin 2, through charging
Spiral 3 enters and carries out pyrolytic reaction in the 4a of pyrolysis zone, and wherein the temperature of radial canal 4-1 is 600 DEG C.
The high-temperature semi-coke that pyrolytic reaction obtains is accumulated to bottom pyrolysis reactor 4, controls discharging by level-sensing device 4-4, by
Discharging spiral 11 is expelled in heat exchanger 12.
Pyrolytic reaction pyrolysis oil temperature much is 500 DEG C, pyrolysis zone 4a run and carry out tentatively to the 4b of dedusting area
Dedusting, obtains pyrolysis oil and pyrolysis gas the most successively after cyclone separator 5, spray column 7, purifier 8 process.Pyrolysis oil is stored up
Existing in oil tank 9, pyrolysis gas is stored in gas holder 10.Pyrolysis gas can be transported in radial canal 4-1 via fuel gas inlet 4-3, uses
In providing heat.
The low-temperature flue gas that temperature is 80 DEG C that radial canal 4-1 discharges, is delivered in heat exchanger 12, with high-temperature semi-coke therein
Heat exchange, flue gas after being heated up, temperature is 150 DEG C.During after intensification, flue gas is transported to rotary kiln 1, fine coal therein is entered
Row drying and processing.
The beneficial effect that this embodiment obtains is shown in following each table.
Table 1 products distribution
| Pyrolysis oil/% | Pyrolysis gas/% | Semicoke/% | Pyrolysis water/% |
| 9.2 | 15.3 | 63.5 | 12 |
(remarks: % is mass percent)
The contrast of oil gas dustiness it is pyrolyzed before and after table 2 dedusting
| Oil gas dustiness it is pyrolyzed before dedusting | Oil gas dustiness it is pyrolyzed after dedusting |
| 158g/Nm3 | 12g/Nm3 |
From Tables 1 and 2, the embodiment of the present invention can effectively be extracted the energy substance in fine coal, and have preferably
Dust removing effects.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate rather than restriction originally
The scope of invention, it will be understood by those within the art that, the most right
Amendment that the present invention is carried out or equivalent, all should contain within the scope of the present invention.Additionally, indication unless the context
Outward, the word occurred in the singular includes plural form, and vice versa.It addition, unless stated otherwise, then any embodiment
All or part of can use in conjunction with all or part of of any other embodiments.
Claims (10)
1. a pulverized coal pyrolysis system with built-in dust arrester, it is characterised in that described system includes: reactor, whirlwind
Separator, spray equipment, heat exchanger；
Described reactor has fine coal entrance, pyrolysis oil gas vent, semicoke outlet；
Described cyclone separator has entrance and exit, and described entrance can receive to be arranged via the pyrolysis oil gas vent of described reactor
The pyrolysis oil gas gone out, described cyclone separator is for separating the dust in described pyrolysis oil gas；
Described spray equipment pyrolysis oil after receiving the described separation dust discharged via the outlet of described cyclone separator
Gas；
Described heat exchanger has semicoke entrance, and this semicoke entrance is exported, for receiving, half discharged by the semicoke of described reactor
Burnt；
Wherein, having the dividing plate arranged along described height for reactor direction in described reactor, described dividing plate is by described reactor
It is divided into pyrolysis zone and dedusting area；Communicate bottom described pyrolysis zone and described dedusting area；
Described reactor has sidewall a positioned opposite and sidewall a ＇, and wherein, described dedusting area includes described side positioned opposite
Wall a and described dividing plate；Further, described sidewall a and described dividing plate are disposed with multiple swash plate；
Described swash plate has end b and end b ＇, and its medial end portions b is fixed on described dividing plate or described sidewall a, and end b ＇ hangs
Empty；The end b of two adjacent swash plates is separately fixed on described dividing plate and described sidewall a so that adjacent oblique of said two
Plate is arranged in a crossed manner.
System the most according to claim 1, it is characterised in that the swash plate in described reactor with the angle of horizontal direction is
45 °～75 °.
System the most according to claim 1, it is characterised in that
Described swash plate in the horizontal direction be projected as the 4/5～9/10 of described dedusting area width；
The end b ＇ of described swash plate is described dedusting area width with the vertical dimension of the described dividing plate of opposite side or described sidewall a
1/10～1/5.
System the most according to claim 1, it is characterised in that the angle between the swash plate that said two is adjacent be 30 °～
90°。
System the most according to claim 1, it is characterised in that described dedusting area cross-sectional area is described pyrolysis zone cross section
Long-pending 1/32～1/4.
System the most according to claim 1, it is characterised in that
The bottom of described dividing plate is provided with level-sensing device；Described level-sensing device is 100～500 with the vertical dimension of described dividing plate lower end
㎜；
Described pyrolysis zone is provided with radial canal from top to bottom；Described radial canal is connected with fuel gas inlet and exhanst gas outlet.
System the most according to claim 6, it is characterised in that described system includes being pyrolyzed oil gas unit, semicoke unit, cigarette
Gas unit；
Reactor that described pyrolysis oil gas unit includes being sequentially connected with, cyclone separator, spray equipment, purifier, gas holder and
Oil tank, fuel gas inlet；
Reactor that described semicoke unit includes being sequentially connected with, heat exchanger, semicoke warehouse；
Reactor that described flue gas unit includes being sequentially connected with, heat exchanger, exsiccator.
8. the method that the system utilizing one of claim 1-7 described processes fine coal, said method comprising the steps of:
Fine coal is transported in described reactor via the fine coal entrance of described reactor, obtains high-temperature semi-coke through pyrolytic reaction
With pyrolysis oil gas, described pyrolysis oil gas enters described dedusting area and carries out dedusting, obtains the pyrolysis oil gas of rough dusting；
The pyrolysis oil gas of described rough dusting, after described pyrolysis oil gas cell processing, obtains pyrolysis oil and pyrolysis gas；
Described high-temperature semi-coke, after described semicoke cell processing, obtains low temperature semicoke.
Method the most according to claim 8, it is characterised in that the particle diameter≤3mm of described fine coal, moisture content is≤
30wt%.
Method the most according to claim 8, it is characterised in that the temperature of described high-temperature semi-coke is 450～650 DEG C, described
The temperature of low temperature semicoke is 200～350 DEG C.
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Applicant after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Applicant before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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Application publication date: 20161228 |