CN110180300A - A kind of coal-fired power station boiler flue gas processing device and method - Google Patents
A kind of coal-fired power station boiler flue gas processing device and method Download PDFInfo
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- CN110180300A CN110180300A CN201910401542.2A CN201910401542A CN110180300A CN 110180300 A CN110180300 A CN 110180300A CN 201910401542 A CN201910401542 A CN 201910401542A CN 110180300 A CN110180300 A CN 110180300A
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- flue gas
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- water
- pipe
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000003546 flue gas Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims abstract description 37
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 241000220317 Rosa Species 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000004134 energy conservation Methods 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims abstract description 6
- 238000000746 purification Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of coal-fired power station boiler flue gas processing device and method, including heat exchange box, Rose Box, water tank, the first purifying box, the second purifying box, heat exchanger tube and connecting box；Heat exchange box is equipped with flue gas input pipe and the first appendix, and two sides are equipped with the first gas collection part and the second gas collection part in heat exchange box；Filter assemblies are equipped in Rose Box；Horizontal in first purifying box to be equipped with the first connector and filter cloth, the first connector bottom is connected to multiple first fog-spray nozzles；The second connector is equipped in first purifying box vertically, the second connector is equipped with multiple second fog-spray nozzles；Air inducing is equipped in connecting box to fan；Water tank is connected to aqueduct；Aqueduct is equipped with water pump, and aqueduct is connected to the first water-supply-pipe and the second water-supply-pipe；First water-supply-pipe is connected to the first connector, and the second water-supply-pipe is connected to the second connector；Second appendix is connected to the first purifying box.The present invention is recycled and is used to the thermal energy in flue gas, and energy conservation and environmental protection, clean-up effect is splendid, and purification efficiency is high.
Description
Technical field
The present invention relates to a kind of coal-fired power station boiler flue gas processing device and methods.
Background technique
Coal fired power plant can use corresponding boiler when generating electricity, and boiler is a kind of energy conversion, the energy inputted to boiler
The forms such as the thermal energy of the chemical energy having in fuel, electric energy, high-temperature flue gas are measured, and pass through the conversion of boiler, output has one outward
Determine the steam, high-temperature water or organic heat carrier of thermal energy, the hot water or steam generated in boiler can directly be industrial production and the people
Thermal energy needed for life provides, can also be converted to mechanical energy, or again convert mechanical energy by generator by Steam Power Equipment
For electric energy, in recent years, due to energy shortage, as energy conservation is further carried out, the various advanced type of furnaces of novel energy-conserving are increasingly complete
It is kind, burning is enhanced using advanced burner, reduces imperfect combustion amount, however reduction exhaust gas heat loss becomes estranged and recycles cigarette
The technology of gas waste heat is still in progress unhappy.
During the work time, the flue gas of generation is discharged by chimney boiler mostly, and a large amount of thermal energy is caused also to be discharged therewith,
The reduction of boiler efficiency and the waste of the energy are caused, and boiler is in use, mostly containing vulcanization in the flue gas of generation
The harmful substances such as object and flue dust, not only endanger the health of people, also can cause environmental pollution.Although also there is fire coal at present
Flue gas in power station boiler processing technique, if publication date is on 03 22nd, 2017, the Chinese patent of Publication No. CN206037091U
In, a kind of coal-fired power station boiler fume afterheat and moisture combined recovery are disclosed using system, but the coal-fired power station boiler cigarette
Gas waste heat and moisture combined recovery do not have the function of being purified to flue gas using system.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of coal-fired power station boiler flue gas processing device
And method, the thermal energy in flue gas can be recycled and is used, energy conservation and environmental protection, clean-up effect is splendid, and purification efficiency is high.
Technical solution used by the present invention solves the above problems is: the coal-fired power station boiler flue gas processing device, special
Sign is, including heat exchange box, Rose Box, water tank, the first purifying box, the second purifying box, heat exchanger tube, connecting box and the second gas transmission
Pipe；
The water inlet pipe of valve is provided at the top of heat exchange box, bottom is provided with the outlet pipe of valve, and fills in heat exchange box
Aqueous solution；Heat exchange box is equipped with flue gas input pipe and the first appendix, and two sides are equipped with the first gas collection part and the second collection in heat exchange box
Gas part；Heat exchanger tube is located in heat exchange box, and the both ends of heat exchanger tube are respectively communicated with the first gas collection part and the second gas collection part；First gas collection
Part is connected to flue gas input pipe, and the second gas collection part is connected to one end of the first appendix；The other end of first appendix is connected to Rose Box；
Filter assemblies are equipped in Rose Box, and filter assemblies are located at the top of the first appendix and Rose Box connectivity part；
The first connector and filter cloth are equipped in first purifying box, the first connector and filter cloth are horizontal, and the first connector
Positioned at the top of filter cloth；It is evenly arranged with through-hole on first connector, is equipped with water collection chamber in the first connector, the first connector
Bottom is connected to multiple first fog-spray nozzles, and the spray direction of the first fog-spray nozzle is towards filter cloth；The is equipped in first purifying box vertically
Two connectors, the second connector are located at the lower section of filter cloth；Water collection chamber is equipped in second connector, and the second connector is equipped with more
A second fog-spray nozzle；The spray direction of second fog-spray nozzle is vertical with flue gas outbound course；The bottom of first purifying box is provided with
The sewage pipe of valve；
The side of connecting box is connected to Rose Box by connecting tube, and the other side of connecting box is connected to the first purifying box by connecting tube；
The connectivity part of connecting box and Rose Box is located at the top of filter assemblies, and the connectivity part of connecting box and the first purifying box is located at second and connects
The lower section of fitting；Air inducing is equipped in connecting box to fan；
Water tank is equipped with water inlet pipe, and water tank is connected to one end of aqueduct；Aqueduct is equipped with water pump, aqueduct
The other end is connected to the first water-supply-pipe and the second water-supply-pipe；First water-supply-pipe is connected to the first connector, the second water-supply-pipe connection second
Connector；
One end of second appendix is connected to the first purifying box, and the connectivity part of the second appendix and the first purifying box is located at first and connects
The top of fitting；Second appendix is equipped with air exhauster, and the other end of the second appendix is protruded into the second purifying box and connected
Third connector；Aqueous solution is filled in second purifying box, and third connector is located in aqueous solution；In the inside of third connector
Sky, and bottom is uniformly arranged through-hole；The top of second purifying box is equipped with exhaust pipe.
Preferably, heat exchanger tube is coiled pipe；And/or the number of heat exchanger tube is multiple groups, and is placed equidistant with longitudinally.
Preferably, the rectangular configuration that the first gas collection part and the second gas collection part are vertically arranged.
Preferably, filter assemblies include fixed frame and activated carbon adsorption layer；Activated carbon adsorption layer is located in fixed frame, fixed
Through-hole is uniformly arranged on frame.
Preferably, the second connector is cylinder-like structure.
Preferably, the second fog-spray nozzle is placed equidistant with into multi-turn, and the second fog-spray nozzle circular array of every circle in vertical direction
Distribution.
Preferably, the first water-supply-pipe is equipped with valve, and the second water-supply-pipe is equipped with valve.
Preferably, third connector is horizontally disposed rectangular configuration.
Preferably, the water inlet pipe of valve is provided at the top of the second purifying box, bottom is provided with the outlet pipe of valve.
A kind of coal-fired power station boiler flue gas processing method using the coal-fired power station boiler flue gas processing device, feature
It is, flue gas is entered in heat exchanger tube by flue gas input pipe, and the aqueous solution in heat exchange box quickly inhales the heat in flue gas
It receives, cold water can be added into heat exchange box by water inlet pipe, hot water is discharged by outlet pipe, the thermal energy in flue gas is returned
It receives and is used, energy conservation and environmental protection；Flue gas after heat exchange is entered in Rose Box by the first appendix, in filter assemblies
Activated carbon adsorption layer is filtered absorption to the particulate matter in flue gas, achievees the effect that primary filtration, draw starting fan and make through
The flue gas of filtering enters in the first purifying box, and the aqueous solution in water tank is pumped into aqueduct by water pump, then by the
One water-supply-pipe and the second water-supply-pipe respectively enter in the first connector and the second connector, and the second fog-spray nozzle is sprayed towards flue gas
Mist purifies flue gas, and the first fog-spray nozzle is sprayed towards filter cloth, and wet filter cloth again purifies flue gas, pumping
Machine starting enters in the second appendix by the through-hole on the first connector by purified gas, and then is connected by third
Fitting is uniformly arranged in the aqueous solution into the second purifying box, is filtered again to gas, and flue gas after treatment passes through row
Tracheae discharge, clean-up effect are splendid.
Compared with prior art, the present invention having the following advantages that and effect: flue gas enters heat exchanger tube by flue gas input pipe
In, the aqueous solution in heat exchange box quickly absorbs the heat in flue gas, cold water can be added into heat exchange box by water inlet pipe,
Hot water is discharged by outlet pipe, the thermal energy in flue gas is recycled and is used, energy conservation and environmental protection；Activated carbon adsorption layer
Absorption is filtered to the particulate matter in flue gas, achievees the effect that primary filtration, the second fog-spray nozzle is sprayed towards flue gas, to cigarette
Gas is purified, and the first fog-spray nozzle is sprayed towards filter cloth, and wet filter cloth again purifies flue gas, and air exhauster will pass through
The gas of purification is pumped into the second appendix, and then is uniformly arranged in the aqueous solution into the second purifying box by third connector,
Gas is purified again, clean-up effect is splendid.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly and/or technical solution in the prior art, below will be to embodiment
And/or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of coal-fired power station boiler flue gas processing device in the embodiment of the present invention.
Fig. 2 is that the second connector and the second fog-spray nozzle connect in the coal-fired power station boiler flue gas processing device of the embodiment of the present invention
The structural schematic diagram connect.
Fig. 3 is the structural schematic diagram of filter assemblies in the coal-fired power station boiler flue gas processing device of the embodiment of the present invention.
Appended drawing reference: 1, heat exchange box；2, Rose Box；3, water tank；4, the first purifying box；5, the second purifying box；6, it exchanges heat
Pipe；7, water pump；8, the first connector；9, filter cloth；10, the second connector；11, the first fog-spray nozzle；12, the second fog-spray nozzle；13, it arranges
Dirt pipe；14, air exhauster；15, third connector；16, flue gas input pipe；17, the first appendix；18, connecting box；19, filtering group
Part；20, air inducing is fanned；21, aqueduct；22, the first water-supply-pipe；23, the second water-supply-pipe；24, the second appendix；25, fixed frame；
26, exhaust pipe；27, activated carbon adsorption layer；28, the first gas collection part；29, the second gas collection part.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
As shown in Figure 1-3, a kind of coal-fired power station boiler flue gas processing device proposed by the present invention, including heat exchange box 1, filtering
Case 2, water tank 3, the first purifying box 4, the second purifying box 5, heat exchanger tube 6, connecting box 18 and the second appendix 24.
The water inlet pipe of valve is provided at the top of heat exchange box 1, bottom is provided with the outlet pipe of valve, and in heat exchange box 1
Fill aqueous solution；Heat exchange box 1 is equipped with flue gas input pipe 16 and the first appendix 17, and two sides are equipped with the first gas collection in heat exchange box 1
Part 28 and the second gas collection part 29；Heat exchanger tube 6 is located in heat exchange box 1, and heat exchanger tube 6 is connected to the first gas collection part 28 and the second gas collection part
29；First gas collection part 28 is connected to flue gas input pipe 16, and the second gas collection part 29 is connected to the first appendix 17；First appendix 17 is separate
One end of heat exchange box 1 is connected to Rose Box 2；Filter assemblies 19 are equipped in Rose Box 2, and filter assemblies 19 are located at the first appendix 17
With the top of 2 connectivity part of Rose Box.
It is horizontal in first purifying box 4 to be equipped with the first connector 8 and filter cloth 9, and the first connector 8 is located at the top of filter cloth 9；
It is uniformly arranged through-hole on first connector 8, water collection chamber, 8 bottom of the first connector connection multiple first are equipped in the first connector 8
Fog-spray nozzle 11, and 11 spray direction of the first fog-spray nozzle is towards filter cloth 9；The second connector 10 is equipped in first purifying box 4 vertically, the
Two connectors 10 are located at 9 lower section of filter cloth；Water collection chamber is equipped in second connector 10, and the second connector 10 is equipped with multiple second
Fog-spray nozzle 12；The spray direction of second fog-spray nozzle 12 is vertical with flue gas outbound course；First purifying box, 4 bottom is provided with valve
Sewage pipe 13.
18 side of connecting box is connected to Rose Box 2 by connecting tube, and 18 other side of connecting box is net by connecting tube connection first
Change case 4；The connectivity part of connecting box 18 and Rose Box 2 is located at the top of filter assemblies 19, the company of connecting box 18 and the first purifying box 4
Logical place is located at the lower section of the second connector 10；Filter assemblies 19 include fixed frame 25 and activated carbon adsorption layer 27；Activated carbon adsorption
Layer 27 is located in fixed frame 25, is uniformly arranged through-hole on fixed frame 25；Air inducing fan 20 is equipped in connecting box 18.
Water tank 3 is equipped with water inlet pipe, and water tank 3 is connected to aqueduct 21；Aqueduct 21 is equipped with water pump 7, water delivery
Pipeline 21 is connected to the first water-supply-pipe 22 and the second water-supply-pipe 23 far from one end of water tank 3；First water-supply-pipe 22 connection first connects
Fitting 8, the second water-supply-pipe 23 are connected to the second connector 10.
Second appendix 24 is connected to the first purifying box 4, and the connectivity part of the second appendix 24 and the first purifying box 4 is positioned at the
The top of a connection piece 8；Second appendix 24 be equipped with air exhauster 14, and the second appendix 24 far from the first purifying box 4 one
End is protruded into the second purifying box 5 and connects third connector 15；Aqueous solution, and third connector 15 are filled in second purifying box 5
In aqueous solution；Third connector 15 is horizontally disposed rectangular configuration, 15 inner hollow of third connector, and bottom is uniform
Through-hole is set；It is equipped with exhaust pipe 26 at the top of second purifying box 5, also sets up at the top of the second purifying box 5 with valvular water inlet pipe, bottom
Portion is provided with the outlet pipe of valve.
In an alternative embodiment, the rectangle knot that the first gas collection part 28 and the second gas collection part 29 are vertically arranged
Structure, heat exchanger tube 6 are coiled pipe, and the number of heat exchanger tube 6 is multiple groups, and is placed equidistant with longitudinally, by the way that multiple coiled pipes, energy is arranged
It fully absorbs the heat in flue gas by the aqueous solution in heat exchange box 1, recycling benefit can not only be carried out to the thermal energy in flue gas
With, moreover it is possible to mitigate the pollution to environment.
In an alternative embodiment, the second connector 10 is cylinder-like structure, and the second fog-spray nozzle 12 is in vertical direction
It is placed equidistant with into multi-turn, and every circle 12 circular array of the second fog-spray nozzle is distributed, good purification, purification efficiency is high, can be abundant
Absorb the dust and pernicious gas in flue gas.
In an alternative embodiment, the first water-supply-pipe 22 is equipped with valve, and the second water-supply-pipe 23 is equipped with valve, can
The water and water speed that flow into the first water-supply-pipe 22 and the second water-supply-pipe 23 are controlled.
In the present invention, flue gas is entered in heat exchanger tube 6 by flue gas input pipe 16, and the aqueous solution in heat exchange box 1 is in flue gas
Heat quickly absorbed, cold water can be added into heat exchange box 1 by water inlet pipe, hot water is discharged by outlet pipe, it is right
Thermal energy in flue gas is recycled and is used, energy conservation and environmental protection；Flue gas after heat exchange is entered by the first appendix 17
In Rose Box 2, the activated carbon adsorption layer 27 in filter assemblies 19 is filtered absorption to the particulate matter in flue gas, reaches tentatively mistake
The effect of filter, air inducing fan 20, which starts, enters flue gas by filtering in the first purifying box 4, and water pump 7 is by the water in water tank 3
Solution is pumped into aqueduct 21, then enters 8 He of the first connector by the first water-supply-pipe 22 and the second water-supply-pipe 23 respectively
In second connector 10, the second fog-spray nozzle 12 is sprayed towards flue gas, is purified to flue gas, and the first fog-spray nozzle 11 is towards filter cloth 9
It is sprayed, wet filter cloth 9 again purifies flue gas, and air exhauster 14 starts, and passes through first by purified gas
Through-hole on connector 8 enters in the second appendix 24, and then is uniformly arranged into the second purifying box 5 by third connector 15
In aqueous solution, gas is filtered again, flue gas after treatment is discharged by exhaust pipe 26, and clean-up effect is splendid.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of coal-fired power station boiler flue gas processing device, which is characterized in that including heat exchange box (1), Rose Box (2), water tank
(3), the first purifying box (4), the second purifying box (5), heat exchanger tube (6), connecting box (18) and the second appendix (24)；
The water inlet pipe of valve is provided at the top of heat exchange box (1), bottom is provided with the outlet pipe of valve；On heat exchange box (1)
Equipped with flue gas input pipe (16) and the first appendix (17), heat exchange box (1) interior two sides are equipped with the first gas collection part (28) and the second collection
Gas part (29)；Heat exchanger tube (6) is located in heat exchange box (1), and the both ends of heat exchanger tube (6) are respectively communicated with the first gas collection part (28) and the
Two gas collection parts (29)；First gas collection part (28) is connected to flue gas input pipe (16), and the second gas collection part (29) is connected to the first appendix
(17) one end；The other end of first appendix (17) is connected to Rose Box (2)；Filter assemblies (19) are equipped in Rose Box (2), and
Filter assemblies (19) are located at the top of the first appendix (17) Yu Rose Box (2) connectivity part；
The first connector (8) and filter cloth (9) are equipped in first purifying box (4), the first connector (8) and filter cloth (9) are in level
Shape, and the first connector (8) is located at the top of filter cloth (9)；Through-hole, the first connector are evenly arranged on first connector (8)
(8) water collection chamber, multiple first fog-spray nozzles (11) of bottom connection of the first connector (8), and the first fog-spray nozzle (11) are equipped in
Spray direction is towards filter cloth (9)；The second connector (10) are equipped with vertically in first purifying box (4), the second connector (10) is located at
The lower section of filter cloth (9)；Water collection chamber is equipped in second connector (10), and the second connector (10) is equipped with multiple second fog-spray nozzles
(12)；The spray direction of second fog-spray nozzle (12) is vertical with flue gas outbound course；The bottom of first purifying box (4) is provided with valve
The sewage pipe (13) of door；
The side of connecting box (18) is connected to Rose Box (2) by connecting tube, and the other side of connecting box (18) is connected to by connecting tube
First purifying box (4)；The connectivity part of connecting box (18) and Rose Box (2) is located at the top of filter assemblies (19), connecting box (18)
It is located at the lower section of the second connector (10) with the connectivity part of the first purifying box (4)；Air inducing fan (20) is equipped in connecting box (18)；
Water tank (3) is equipped with water inlet pipe, and water tank (3) is connected to the one end of aqueduct (21)；Aqueduct (21) is equipped with
Water pump (7), the other end connection the first water-supply-pipe (22) of aqueduct (21) and the second water-supply-pipe (23)；First water-supply-pipe (22)
It is connected to the first connector (8), the second water-supply-pipe (23) is connected to the second connector (10)；
One end of second appendix (24) is connected to the first purifying box (4), and the company of the second appendix (24) and the first purifying box (4)
Logical place is located at the top of the first connector (8)；Second appendix (24) is equipped with air exhauster (14), and the second appendix (24)
The other end protrudes into the second purifying box (5) and connects third connector (15)；The inner hollow of third connector (15), and bottom
It is uniformly arranged through-hole；The top of second purifying box (5) is equipped with exhaust pipe (26).
2. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that heat exchanger tube (6) is snakelike
Pipe；And/or the number of heat exchanger tube (6) is multiple groups, and is placed equidistant with longitudinally.
3. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that the first gas collection part (28) and
The rectangular configuration that second gas collection part (29) is vertically arranged.
4. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that filter assemblies (19) include
Fixed frame (25) and activated carbon adsorption layer (27)；Activated carbon adsorption layer (27) is located in fixed frame (25), on fixed frame (25)
Even setting through-hole.
5. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that the second connector (10) is
Cylinder-like structure.
6. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that the second fog-spray nozzle (12) exists
Vertical direction is placed equidistant with into multi-turn, and every circle the second fog-spray nozzle (12) circular array is distributed.
7. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that on the first water-supply-pipe (22)
Equipped with valve, the second water-supply-pipe (23) is equipped with valve.
8. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that third connector (15) is
Horizontally disposed rectangular configuration.
9. coal-fired power station boiler flue gas processing device according to claim 1, which is characterized in that the second purifying box (5)
Top is provided with the water inlet pipe of valve, and bottom is provided with the outlet pipe of valve.
10. a kind of coal-fired power station boiler using such as any one of the claim 1 ~ 9 coal-fired power station boiler flue gas processing device
Flue gas processing method, which is characterized in that flue gas is entered in heat exchanger tube (6) by flue gas input pipe (16), the water in heat exchange box (1)
Solution quickly absorbs the heat in flue gas, and cold water is added into heat exchange box (1) by water inlet pipe, outside by outlet pipe
Hot water is discharged, the thermal energy in flue gas is recycled and is used, energy conservation and environmental protection；Flue gas after heat exchange is defeated by first
Tracheae (17) enters in Rose Box (2), and the activated carbon adsorption layer (27) in filter assemblies (19) carries out the particulate matter in flue gas
It filters absorption of, achievees the effect that primary filtration, air inducing fan (20) starts and the flue gas by filtering is made to enter the first purifying box (4)
In, the aqueous solution in water tank (3) is pumped into aqueduct (21) by water pump (7), then passes through the first water-supply-pipe (22) and the
Two water-supply-pipes (23) respectively enter in the first connector (8) and the second connector (10), and the second fog-spray nozzle (12) is carried out towards flue gas
It is spraying, flue gas is purified, the first fog-spray nozzle (11) is sprayed towards filter cloth (9), wet filter cloth (9) again to flue gas into
Row purification, air exhauster (14) starting enter the second appendix by the through-hole on the first connector (8) by purified gas
(24) in, and then by being carried out again to gas in third connector (15) uniform aqueous solution arranged in the second purifying box (5)
Filtering, flue gas after treatment are discharged by exhaust pipe (26).
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Application publication date: 20190830 |