CN219942381U - Incineration flue gas treatment device - Google Patents
Incineration flue gas treatment device Download PDFInfo
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- CN219942381U CN219942381U CN202320099781.9U CN202320099781U CN219942381U CN 219942381 U CN219942381 U CN 219942381U CN 202320099781 U CN202320099781 U CN 202320099781U CN 219942381 U CN219942381 U CN 219942381U
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- CN
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- Prior art keywords
- flue gas
- deacidification
- denitration
- treatment device
- dust remover
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000003546 flue gas Substances 0.000 title claims abstract description 60
- 239000000428 dust Substances 0.000 claims abstract description 63
- 239000007921 spray Substances 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000779 smoke Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 57
- 229910021529 ammonia Inorganic materials 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 13
- 230000003197 catalytic effect Effects 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 11
- 239000000920 calcium hydroxide Substances 0.000 claims description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 18
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000010893 paper waste Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an incineration flue gas treatment device which comprises an electrostatic precipitator, a denitration mechanism, a deacidification mechanism and a dust removal mechanism, wherein the denitration mechanism comprises a front denitration unit and a rear denitration unit, the deacidification mechanism comprises a spray deacidification tower, a first cloth bag dust remover and a rotary spray head, a deacidification agent pool connected with the rotary spray head through a conveying system, an air inlet of the electrostatic precipitator is connected with a smoke outlet of a boiler, an air outlet is connected with a feed end of the rotary spray head through a pipeline, a smoke exhaust pipe is arranged on the side wall of the spray deacidification tower and is connected with the air inlet of the first cloth bag dust remover, a slag discharge port is arranged at the bottom of the spray deacidification tower, the smoke exhaust pipe of the first cloth bag dust remover is connected with the air inlet of the dust removal mechanism, and the smoke exhaust pipe of the dust removal mechanism is connected with the rear denitration unit, and the smoke exhaust pipe of the rear denitration unit is connected with a chimney. Compared with the prior art, the utility model can obviously purify pollutants in the slurry and slag incineration flue gas through comprehensive treatment of various purification processes and comprehensive use of the multi-stage bag-type dust remover.
Description
Technical Field
The utility model relates to the technical field of dust removal equipment, in particular to an incineration flue gas treatment device.
Background
At present, waste paper is used as raw materials for recycling a large amount of paper making enterprises, a large amount of pulp slag is generated in the production process, the waste paper is generally treated in a landfill mode, thousands of mu of land are needed to be landfilled each year, land resources are wasted, secondary pollution is also generated, and the pulp slag has a higher heat value, so that waste materials are changed into valuable things, a large amount of coal and carbon resources can be saved by burning the pulp slag to generate electricity, the energy conservation and carbon reduction aim is fulfilled, and the economic benefit is higher.
The Chinese patent literature discloses a multifunctional waste incineration tail gas purifying unit with the application number of 2019200641530, which consists of an inlet and outlet differential pressure system, an overhaul electric hoist, a blowing device, a gas purifying chamber, a middle box body, a dust remover inlet valve, an active carbon spraying inlet, a slaked lime spraying inlet, an inlet temperature measuring element, a dust remover inlet pipeline, a cloth bag, a frame, a ring beam support, an ash bucket, an air cannon, an ash unloading valve, a scraper ash conveyer, a heat circulation fan, a heater, a circulation heating outlet pipeline valve, an ash bucket heat tracing system, a circulation heating outlet pipeline, a circulation heating inlet pipeline valve, a dust remover outlet pipeline, an outlet temperature measuring element, a dust remover outlet valve, a dust removing fan and a chimney.
Because paper enterprises adopt waste paper as raw materials in a large number to produce, the sources of the waste paper raw materials are complex, the waste paper raw materials contain more impurities, the multifunctional waste incineration tail gas purifying unit has no specific design for treating slurry residue incineration flue gas, and the skilled person hopes to provide a flue gas purifying device which can obtain better purifying effects on various pollutants generated in the slurry residue incineration flue gas process.
Disclosure of Invention
In view of the foregoing problems of the prior art, a primary object of the present utility model is to provide an incineration flue gas treatment apparatus.
The utility model provides an incineration flue gas treatment device which comprises an electrostatic precipitator, a denitration mechanism, a deacidification mechanism and a dust removal mechanism, wherein the denitration mechanism comprises a front denitration unit and a rear denitration unit, the deacidification mechanism comprises a spray deacidification tower and a first cloth bag dust remover, a rotary spray nozzle is arranged at the inner top or the bottom of the spray deacidification tower, a deacidification agent pool is connected with the rotary spray nozzle through a conveying system, an air inlet of the electrostatic precipitator is connected with a smoke outlet of a boiler, an air outlet is connected with a feeding end of the rotary spray nozzle through a pipeline, a smoke exhaust pipe is arranged on the side wall of the spray deacidification tower and is connected with the air inlet of the first cloth bag dust remover, a slag exhaust port is arranged at the bottom of the spray deacidification tower, the smoke exhaust pipe of the first cloth bag dust remover is connected with the air inlet of the dust removal mechanism, and the smoke exhaust pipe of the rear denitration unit is connected with a chimney;
through passing through the gas outlet of electrostatic precipitator and being connected with rotatory nozzle's feed end, when conveying system carried the deacidification agent to rotatory nozzle, the flue gas and the deacidification agent that pass through electrostatic precipitator preliminary dust removal fully mix in rotatory nozzle to spray in the spraying deacidification tower, fully carry out deacidification reaction.
Further, the deacidification agent is calcium hydroxide slurry, and neutralization reaction is carried out by fully mixing the calcium hydroxide slurry and the acid flue gas.
Further, the front denitration unit comprises an atomization nozzle arranged in a boiler combustion chamber, a sensor arranged at a boiler smoke outlet, a denitration agent pool connected with the atomization nozzle through a conveying system, and the sensor and the conveying system are connected with a control module through a circuit;
the control module detects smoke data at the smoke outlet through the sensor and adjusts the change of the spraying power of the atomizing nozzle according to the data.
Further, the denitration agent is urea.
Further, the dust removing mechanism comprises a second cloth bag dust remover connected with the first cloth bag dust remover, and an active carbon powder spraying mechanism for spraying active carbon powder to the air inlet of the second cloth bag dust remover;
the activated carbon powder is sprayed to the air inlet of the second bag-type dust collector and mixed with the flue gas purified by the first bag-type dust collector, so that the amount of dioxin adsorbed on fly ash particles can be obviously reduced, and meanwhile, the interception efficiency of superfine dust is improved through the strong adsorption capacity of the activated carbon.
Further, the rear denitration unit comprises a flue gas branching device, a catalytic reactor, an ammonia injection system, an ammonia tank and an induced draft fan; the flue gas branching device divides the flue gas exhausted by the second bag-type dust collector into a plurality of paths to be respectively connected with a catalytic reactor, the ammonia injection system is respectively connected with an ammonia liquid tank and the flue gas branching device, and the ammonia liquid is gasified and then injected into the flue gas branching device, so that ammonia gas and the flue gas purified by the second bag-type dust collector are mixed, an air outlet of the catalytic reactor is connected with a chimney through an induced draft fan, and the mixed flue gas is discharged through the chimney after catalytic reaction by the catalytic reactor.
Furthermore, the ammonia injection system comprises an ammonia liquid pump and an evaporator, wherein the ammonia liquid pump is connected with the ammonia liquid tank and the evaporator through pipelines, and the air outlet end of the evaporator is arranged in the flue gas branching device.
Preferably, the air outlet end of the evaporator is provided with an air explosion grid, which is more beneficial to fully mixing ammonia gas and flue gas. Further, the conveying system comprises a conveying pipeline and a conveying pump arranged on the conveying pipeline.
Compared with the prior art, the utility model can remarkably purify pollutants in the slurry and slag incineration flue gas and avoid secondary pollution of slurry and slag waste through comprehensive treatment of various purification processes and mutual cooperation and comprehensive use of the multistage bag-type dust collectors.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Legend description: 1. an electrostatic precipitator; 2. a denitration mechanism; 21. a front denitration unit; 211. an atomizing nozzle; 212. a sensor; 213. a denitration agent pool; 214. a control module; 22. a post-denitrification unit; 221. a flue gas splitter; 222. a catalytic reactor; 223. an ammonia injection system; 2231. an ammonia pump; 2232. an evaporator; 224. an ammonia tank; 3. a deacidification mechanism; 31. a spray deacidification tower; 32. a first bag-type dust collector; 33. rotating the spray head; 34. a deacidification agent pool; 4. a dust removing mechanism; 41. a second bag-type dust collector; 42. an active carbon powder spraying device; 5. a conveying system; 6. and (5) a chimney.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.
The utility model will be further described with reference to the drawings and the specific embodiments
Example 1
As shown in fig. 1, the incineration flue gas treatment device comprises an electrostatic precipitator 1, a denitration mechanism 2, a deacidification mechanism 3 and a dust removal mechanism 4, wherein the denitration mechanism 2 comprises a front denitration unit 21 and a rear denitration unit 22, the deacidification mechanism 3 comprises a spray deacidification tower 31 and a first cloth bag dust remover 32, a rotary spray head 33 arranged at the inner top of the spray deacidification tower 31, a deacidification agent pool 34 connected with the rotary spray head 33 through a conveying system 5, an air inlet of the electrostatic precipitator 1 is connected with a flue gas outlet of a boiler, an air outlet is connected with a feeding end of the rotary spray head 33 through a pipeline, a flue gas discharge pipe is arranged on the side wall of the spray deacidification tower 31 and is connected with the air inlet of the first cloth bag dust remover 32, a slag discharge port is arranged at the bottom of the spray deacidification tower 31, the flue gas discharge pipe of the first cloth bag dust remover 32 is connected with the air inlet of the dust removal mechanism 4, the flue gas discharge pipe of the dust removal mechanism 4 is connected with the rear denitration unit 22, and the flue gas discharge pipe of the rear denitration unit 22 is connected with a chimney 6. The deacidification agent is calcium hydroxide slurry, and neutralization reaction is carried out by fully mixing the calcium hydroxide slurry and the acid flue gas.
Through connecting the air outlet of the electrostatic precipitator 1 with the feeding end of the rotary spray head 33 through a pipeline, when the conveying system 5 conveys calcium hydroxide slurry to the rotary spray head 33, the flue gas subjected to primary dust removal by the electrostatic precipitator 1 and the calcium hydroxide slurry are fully mixed in the rotary spray head 33 and sprayed into the spray deacidification tower 31 to fully perform deacidification reaction;
the acid gas in the incineration flue gas comprises main components such as hydrogen chloride, hydrogen halide, oxysulfide, nitrogen oxide, carbon oxide, phosphorus pentoxide, phosphoric acid and the like;
the rotary spray head 33 is utilized to spray the calcium hydroxide slurry into the spray deacidification tower 31 downwards from the top of the tower or upwards from the bottom of the tower, the temperature of the flue gas is reduced by 40 to 50 ℃, the tail gas and the sprayed calcium hydroxide slurry generate rotary vortex in the spray deacidification tower 31 to fully contact and generate acid-base neutralization reaction, the diameter of liquid drops can be reduced to about 30 mu m, the atomization effect is ideal, the contact surface between gas and liquid is large, the temperature of gas can be effectively reduced, acid gas is neutralized, and the moisture in the calcium hydroxide slurry can be completely evaporated in the spray deacidification tower 31, so that wastewater is not generated.
The main components of the dust in the slurry slag incineration flue gas are inert inorganic substances such as ash, inorganic salts, condensable gas pollutants and harmful heavy metal oxides, and the content of the inert inorganic substances is 450-20000 mg/m < 3 >.
The front denitration unit 21 comprises an atomization nozzle 211 arranged in a boiler combustion chamber, a sensor 212 arranged at a boiler smoke outlet, a denitration agent pool 213 connected with the atomization nozzle 211 through a conveying system 5, and the sensor 212 and the conveying system 5 are connected with a control module 214 through a circuit;
the control module 214 detects the smoke data at the smoke outlet through the sensor 212 and adjusts the change of the spraying power of the atomizing nozzle 211 according to the data.
The denitration agent is urea.
The dust removing mechanism 4 comprises a second cloth bag dust remover 41 connected with the first cloth bag dust remover 32, and an active carbon powder spraying device 42 for spraying active carbon powder to the air inlet of the second cloth bag dust remover 41;
by spraying the activated carbon powder to the air inlet of the second bag-type dust collector 41 and mixing the activated carbon powder with the flue gas purified by the first bag-type dust collector 32, the amount of dioxin adsorbed on fly ash particles can be obviously reduced, and meanwhile, the interception efficiency of superfine dust is improved through the strong adsorption capacity of the activated carbon.
The rear denitration unit 22 comprises a flue gas branching unit 221, a catalytic reactor 222, an ammonia injection system 223, an ammonia liquid tank 224 and an induced draft fan; the flue gas branching unit 221 divides the flue gas discharged by the second bag-type dust collector 41 into multiple paths and is respectively connected with a catalytic reactor 222, the ammonia injection system 223 is respectively connected with the ammonia liquor tank 224 and the flue gas branching unit 221, and the ammonia liquor is gasified and then injected into the flue gas branching unit 221, so that the ammonia gas and the flue gas purified by the second bag-type dust collector 41 are mixed, the gas outlet of the catalytic reactor 222 is connected with the chimney 6 through an induced draft fan, and the mixed flue gas is discharged through the chimney 6 after catalytic reaction by the catalytic reactor 222.
The ammonia gas injection system 223 comprises an ammonia liquid pump 2231 and an evaporator 2232, wherein the ammonia liquid pump 2231 is connected with the ammonia liquid tank 224 and the evaporator 2232 through pipelines, and the air outlet end of the evaporator 2232 is arranged in the flue gas branching device 221.
The air outlet end of the evaporator 2232 is provided with an air explosion grid, which is more beneficial to fully mixing the ammonia gas and the flue gas.
The conveying system 5 includes a conveying pipe and a conveying pump provided on the conveying pipe.
Under the rated working condition, the operation is carried out for 8000 hours all the year round, and the emission concentration of nitrogen oxides of the chimney after treatment is less than or equal to 250mg/Nm3; the flue gas deacidification is carried out by adopting a furnace back semi-dry process technology and combining activated carbon adsorption, the desulfurization efficiency can reach 90 percent, the sulfur dioxide emission concentration is less than or equal to 80mg/Nm3, and the hydrogen chloride emission concentration is less than or equal to 50mg/Nm3; the dust removing mode adopts a cloth bag dust remover, the dust removing efficiency is higher than 99.99 percent, and the smoke emission concentration is less than or equal to 20mg/Nm3; the dioxin is removed by spraying activated carbon and matching with a cloth bag remover, the removal efficiency is more than 90%, and the emission concentration can be controlled below 0.1ng TEQ/Nm 3.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. The utility model provides an burn flue gas processing apparatus, includes electrostatic precipitator, denitration mechanism, deacidification mechanism, dust removal mechanism, its characterized in that: the denitration mechanism comprises a front denitration unit and a rear denitration unit, the deacidification mechanism comprises a spray deacidification tower, a first bag-type dust remover, a rotary spray nozzle arranged at the inner top or bottom of the spray deacidification tower, a deacidification agent pool connected with the rotary spray nozzle through a conveying system, an air inlet of the electrostatic dust remover is connected with a smoke outlet of a boiler, an air outlet is connected with a feeding end of the rotary spray nozzle through a pipeline, a smoke exhaust pipe is arranged on the side wall of the spray deacidification tower and is connected with the air inlet of the first bag-type dust remover, a slag discharge port is arranged at the bottom of the spray deacidification tower, the smoke exhaust pipe of the first bag-type dust remover is connected with the air inlet of the dust removal mechanism, the smoke exhaust pipe of the dust removal mechanism is connected with the rear denitration unit, and the smoke exhaust pipe of the rear denitration unit is connected with a chimney.
2. The incineration flue gas treatment device according to claim 1, wherein: the deacidification agent is calcium hydroxide slurry.
3. The incineration flue gas treatment device according to claim 1, wherein: the front denitration unit comprises an atomization nozzle arranged in a boiler combustion chamber, a sensor arranged at a boiler smoke outlet, a denitration agent pool connected with the atomization nozzle through a conveying system, and the sensor and the conveying system are connected with a control module through a circuit.
4. A flue gas treatment device according to claim 3, wherein: the denitration agent is urea.
5. The incineration flue gas treatment device according to claim 1, wherein: the dust removing mechanism comprises a second bag-type dust remover and an active carbon powder spraying device arranged at the air inlet of the second bag-type dust remover.
6. The incineration flue gas treatment device according to claim 1, wherein: the rear denitration unit comprises a flue gas branching device, a catalytic reactor, an ammonia injection system, an ammonia tank and an induced draft fan; the flue gas branching device divides the flue gas exhausted by the second bag-type dust collector into a plurality of paths and is respectively connected with a catalytic reactor, the ammonia injection system is respectively connected with the ammonia liquid tank and the flue gas branching device, and the gas outlet of the catalytic reactor is connected with a chimney through a draught fan.
7. The incineration flue gas treatment device according to claim 6, wherein: the ammonia injection system comprises an ammonia liquid pump and an evaporator, wherein the ammonia liquid pump is connected with the ammonia liquid tank and the evaporator through pipelines, and the air outlet end of the evaporator is arranged in the flue gas branching device.
8. The incineration flue gas treatment device according to claim 7, wherein: and an air outlet end of the evaporator is provided with an air explosion grid.
9. A incineration flue gas treatment device according to claim 1 or 3, characterised in that: the conveying system comprises a conveying pipeline and a conveying pump arranged on the conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099781.9U CN219942381U (en) | 2023-02-02 | 2023-02-02 | Incineration flue gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099781.9U CN219942381U (en) | 2023-02-02 | 2023-02-02 | Incineration flue gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219942381U true CN219942381U (en) | 2023-11-03 |
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ID=88551748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320099781.9U Active CN219942381U (en) | 2023-02-02 | 2023-02-02 | Incineration flue gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219942381U (en) |
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2023
- 2023-02-02 CN CN202320099781.9U patent/CN219942381U/en active Active
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