CN211514091U - Production equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas of industrial kiln - Google Patents
Production equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas of industrial kiln Download PDFInfo
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- CN211514091U CN211514091U CN201922245571.2U CN201922245571U CN211514091U CN 211514091 U CN211514091 U CN 211514091U CN 201922245571 U CN201922245571 U CN 201922245571U CN 211514091 U CN211514091 U CN 211514091U
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- flue gas
- heat exchanger
- air
- pipeline
- desulfurization
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000003546 flue gas Substances 0.000 title claims abstract description 101
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000003009 desulfurizing effect Effects 0.000 title description 2
- 239000000428 dust Substances 0.000 claims abstract description 45
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 25
- 230000023556 desulfurization Effects 0.000 claims abstract description 25
- 239000002918 waste heat Substances 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000004064 recycling Methods 0.000 claims abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 14
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 210000002310 elbow joint Anatomy 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- -1 organic matters Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an industrial furnace organic flue gas burns, desulfurization, dust removal and denitration's production facility, it has solved prior art and has had organic flue gas to burn incomplete influence environment scheduling problem, its characterized in that: the incinerator (2) is additionally arranged above the kiln (1) at the outlet of the smoke exhaust pipeline, a smoke exhaust pipe (26) of the incinerator (2) is connected with a waste heat recycling device, a desulfurization device (9), a dust removal device (10) and a denitration device through an air heat exchanger (3), and standard-reaching smoke after purification treatment is discharged into the air from a chimney (14) after being sent into a smoke exhaust pipeline (12) through a smoke exhaust draught fan (13). Has the advantages of reasonable structure, safe operation, comprehensive utilization, integrated purification, energy conservation, environmental protection and the like, and can be widely applied to the purification treatment of organic flue gas of various kilns.
Description
Technical Field
The utility model belongs to industry thermal equipment field especially relates to an industrial kiln organic flue gas burns, desulfurization, dust removal and denitration's production facility.
Background
In recent years, the number and scale of industrial kilns are continuously enlarged, the flue gas of the existing industrial kilns is directly discharged or is simply treated and then discharged, some discharged flue gas still contains organic matters, the sulfur in some discharged flue gas exceeds the standard, the dust particles in some discharged flue gas exceeds the standard, and the nitrogen oxides in some discharged flue gas exceeds the standard. The pungent smell of the generated organic flue gas influences the normal life of residents, a large amount of heat in the flue gas is wasted, acid rain can be formed by the emission of sulfur elements in the flue gas, and haze can be caused by the emission of dust particles in the flue gas; the emission of high-concentration nitrogen oxides in the flue gas can cause the problems of unbalance of the earth ecosystem and the like. In a word, smoke emission can cause a series of problems such as haze in the north in winter, abnormal climate in the south and the like, and the living environment of human beings is seriously influenced. Therefore, the country increasingly pays more attention to the management of emission and environmental protection, so that the integrated flue gas treatment process and equipment of the industrial kiln are in need.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a production facility that industrial kiln organic flue gas of rational in infrastructure, operation safety, comprehensive utilization, integrative purification, energy-concerving and environment-protective burns, desulfurization, removes dust and denitration for market.
The technical scheme of the utility model is that: it includes kiln, exhaust gas pipeline, waste heat recovery and utilization device, desulphurization unit, dust collector and denitrification facility, its characterized in that: the burning furnace has been add above the kiln in exhaust gas pipeline exit, this burn burning furnace's exhaust pipe passes through elbow fitting connection waste heat recovery and utilization device through air heat exchanger, waste heat utilization recovery device's flue gas outlet pipe links to each other with desulphurization unit's flue gas import pipe, desulphurization unit's flue gas outlet passes through the connecting tube and links to each other with dust collector's flue gas import pipe, dust collector's flue gas outlet pipe passes through the pipeline and links to each other with denitrification facility's flue gas import pipe, the purification flue gas after the denitration is sent into behind the exhaust pipe through the draught fan of discharging fume and is discharged into in the air from.
Furthermore, the incinerator is composed of an L-shaped cylindrical furnace body, a burner with a large adjusting ratio, a flow guiding central column, a flow guiding necking and a smoke exhaust pipe, the L-shaped cylindrical furnace body is manufactured by filling a refractory heat-insulating material in a metal shell, the horizontal long cylinder is fixedly arranged at the top of the kiln through a supporting seat, the end part of the vertical short cylinder is provided with an organic flue gas inlet which is connected with a kiln exhaust gas pipeline, the flow guide central column is vertically arranged at the center of the vertical short cylinder, the corresponding cylinders are staggered and provided with large-adjustment-ratio burners I along the tangential direction, a flow guide necking is arranged in the middle of the horizontal long cylinder, a large-adjustment-ratio burner II is arranged on the cylinder behind the flow guide necking along the tangential direction, a honeycomb ceramic partition wall is arranged at the tail part of the cylinder, the flue gas in the furnace is guided to uniformly pass through the inner cavity, and the tail end smoke exhaust pipe is connected with a waste heat recycling device arranged on the ground level through an air heat exchanger and a bent pipe joint.
Furthermore, explosion-proof/access doors are respectively arranged on the front horizontal cylinder and the rear horizontal cylinder of the incinerator body, wherein the front horizontal cylinder and the rear horizontal cylinder are provided with flow guide necking ports, the explosion-proof/access doors are arranged at 45-degree included angles upwards in the cylinder, and protective guards are arranged at positions corresponding to the cylinder shell.
Furthermore, the waste heat recycling device is composed of a heat-conducting oil heat exchanger and an air-air heat exchanger, a smoke inlet of the heat-conducting oil heat exchanger is connected with a smoke pipeline connected with an elbow joint, a smoke outlet of the heat-conducting oil heat exchanger is connected with a smoke inlet of the air-air heat exchanger through a pipeline, and a smoke outlet of the air-air heat exchanger is connected with a smoke inlet of the desulfurization device through a pipeline.
Furthermore, a bypass pipeline I is arranged at the heat transfer oil heat exchanger, and a bypass pipeline II is arranged beside the air-to-air heat exchanger.
Furthermore, the desulfurization device adopts a baking soda dry desulfurization process; the dust removal device adopts a metal film bag type dust remover to recover the particulate matters in the flue gas; the denitration device adopts a selective catalytic reduction method, the reaction is carried out in a reactor filled with a catalyst, the flue gas and the sprayed ammonia react under the action of the catalyst to realize the reduction of nitrogen oxide, wherein the reducing agent adopts 30% urea solution, and the catalyst adopts SCR medium-low temperature catalyst.
The utility model has the advantages that: after the organic flue gas is subjected to secondary incineration, the flue gas discharged into the air meets the emission standard through the working procedures of desulfurization, dust removal, denitration and the like, so that the method can be widely applied to pollutants such as organic matters, hydrocarbons, dust, sulfur dioxide, nitrogen oxides and the like generated in the flue gas purification or production process of industrial kilns, and is a comprehensive method for treating multi-pollutant gas. The device can thoroughly treat pollutants such as organic matters, dust, sulfur dioxide, nitrogen oxides and the like, particularly relates to the treatment of flue gas with various complex components, and has the advantages of high stability of process and equipment, secondary pollution prevention of equipment and pipelines, high automation degree, humanized arrangement and maintenance of the equipment and the like, so that the environmental protection problem of flue gas emission of industrial kiln enterprises is solved, and the device has wide practical application value.
The present invention will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the vertical structure of the incinerator of the present invention;
FIG. 3 is a schematic top view of the incinerator according to the present invention;
fig. 4 is a schematic cross-sectional structure view of the left-view flow guiding center post of the present invention;
FIG. 5 is a schematic view of the heat transfer oil heat exchanger of the present invention;
fig. 6 is a left side view structural schematic diagram of the heat transfer oil heat exchanger of the utility model;
FIG. 7 is a schematic view of the top view structure of the heat transfer oil heat exchanger of the present invention;
fig. 8 is a schematic view of the front view structure of the air-to-air heat exchanger of the present invention;
fig. 9 is a left side view structural schematic diagram of the air-to-air heat exchanger of the present invention;
fig. 10 is a schematic view of the overhead structure of the air-to-air heat exchanger of the present invention;
FIG. 11 is a schematic view of the desulfurization, dust removal and denitration front view structure of the present invention;
figure 12 is the utility model discloses desulfurization, dust removal, denitration left side view structure schematic diagram.
In the figure: 1 is a kiln, 2 is an incinerator, 3 is an air heat exchanger, 4 is a flue gas pipeline, 5 is a heat transfer oil heat exchanger, 6 is a bypass pipeline I, 7 is an air-air heat exchanger, 8 is a bypass pipeline II, 9 is a desulfurization device, 10 is a dust removal device, 11 is a denitrification device, 12 is a smoke exhaust pipeline, 13 is a smoke exhaust draught fan, 14 is a chimney, 15 is a shell, 16 is a refractory heat-insulating material, 17 is a furnace inner cavity, 18 is a supporting seat, 19 is a flow guide central column, 20 is a high-regulation-ratio burner I, 21 is an organic flue gas inlet, 22 is an explosion-proof/maintenance door, 23 is a flow guide throat, 24 is a high-regulation-ratio burner II, 25 is a honeycomb ceramic partition wall, 26 is a smoke exhaust pipe, 27 is a flue gas inlet I, 28 is a flue gas outlet I, 29 is a heat transfer oil inlet, 30 is a heat transfer oil outlet, 31 is an oil pipe, 32 is a flue gas inlet II, 33 is a flue gas, 36 is a dust exhaust port, 37 is a flue gas inlet III, 38 is a baking soda spraying port, 39 is a connecting pipeline, 40 is an ash bucket, and 41 is a pipeline.
Detailed Description
As shown in the figure: the industrial kiln organic flue gas burns, the desulfurization, the production facility of dust removal and denitration includes kiln 1, exhaust gas pipeline, waste heat recovery utilizes the device, desulphurization unit, dust collector and denitrification facility etc, kiln 1 top in exhaust gas pipeline exit has add and has burnt burning furnace 2, this smoke exhaust pipe 26 that burns burning furnace 2 passes through air heat exchanger 3 and passes through elbow fitting connection waste heat recovery utilizes the device, waste heat utilization recovery device's flue gas outlet pipe links to each other with desulphurization unit 9's flue gas import III 37, desulphurization unit 9's flue gas outlet passes through connecting tube 39 and links to each other with dust collector 10's flue gas import pipe, dust collector 10's flue gas outlet pipe passes through pipeline 41 and links to each other with denitrification unit 11's flue gas import pipe, the purification flue gas after the denitration is sent into exhaust pipe 12 through exhaust draught fan 13 and then is discharged into in the. The incinerator 2 is composed of an L-shaped cylindrical furnace body, burners with large regulation ratio, a flow guiding central column 19, a flow guiding reducing opening 23 and a smoke exhaust pipe 26, the L-shaped cylindrical furnace body is manufactured by filling refractory heat-insulating materials (16) in a metal shell 15, a horizontal long cylinder body of the L-shaped cylindrical furnace body is fixedly installed at the top of the kiln 1 through a supporting seat 18, an organic flue gas inlet 21 is formed in the end portion of a vertical short cylinder body and is connected with a kiln smoke exhaust gas pipeline, the flow guiding central column 19 is vertically installed in the center of the vertical short cylinder body, large regulation ratio burners I20 are installed on the corresponding cylinder body in a staggered mode and in the tangential direction, the flow guiding reducing opening 23 is formed in the middle of the horizontal long cylinder body, a large regulation ratio burner II 24 is installed on the cylinder body behind the flow guiding reducing opening in the tangential direction, honeycomb partition wall ceramic 25 is arranged at the tail portion of the furnace body and guides smoke in the furnace smoke to uniformly pass through an inner Are connected. Explosion-proof/access doors 22 are respectively arranged on front and rear horizontal cylinders of the incinerator body provided with a diversion necking 23, the explosion-proof/access doors 22 are arranged at the upward 45-degree included angle of the cylinder, and guard rails are arranged at the corresponding positions of the cylinder shell 15. The waste heat recycling device is composed of a heat conduction oil heat exchanger 5 and an air-air heat exchanger 7, a flue gas inlet I27 of the heat conduction oil heat exchanger 5 is connected with a flue gas pipeline 4 connected with an elbow joint, a flue gas outlet I28 of the heat conduction oil heat exchanger is connected with a flue gas inlet II 32 of the air-air heat exchanger 7 through a pipeline, and a flue gas outlet II 33 of the air-air heat exchanger 7 is connected with a flue gas inlet III 37 of a desulfurization device through a pipeline. And a bypass pipeline I6 is arranged at the position of the heat-conducting oil heat exchanger 5, and a bypass pipeline II 8 is arranged beside the air-air heat exchanger 7. The desulfurization device 9 adopts a baking soda dry desulfurization process; the dust removal device 10 adopts a metal film bag type dust remover to recover particulate matters in the flue gas; the denitration device 11 adopts a selective catalytic reduction method, the reaction is carried out in a reactor filled with a catalyst, the flue gas and the sprayed ammonia react under the action of the catalyst to realize the removal of nitrogen oxide, wherein the reducing agent adopts a 30% urea solution, and the catalyst adopts an SCR medium-low temperature catalyst.
Taking the construction of a tunnel kiln flue gas treatment project for producing magnesia-calcium bricks as an example, the tunnel kiln flue gas treatment project comprises a tunnel kiln 1, an incinerator 2, an air heat exchanger 3, a heat transfer oil heat exchanger 5, an air-air heat exchanger 7, a desulfurization device 9, a dust removal device 10, a denitration device 11, a smoke exhaust pipeline 12, a smoke exhaust draught fan 13 and other devices. Flue gas generated by calcining products in a tunnel kiln is collected in a kiln top branch flue through a smoke exhaust hole with a preheating side wall, is fed from an organic flue gas inlet 21 arranged at the bottom of the vertical end of an incinerator 2, is completely incinerated in the second stage through the incinerator, and the generated high-temperature flue gas preheats normal-temperature air to 450 ℃ through an air heat exchanger 3, and sends hot air at 450 ℃ to a large-regulation-ratio burner arranged on the incinerator 2 for combustion supporting, and the high-temperature flue gas is continuously sent to the next process through a flue gas pipeline 4 connected with a bent pipe joint, heat of the high-temperature flue gas is used for preheating heat conducting oil flowing through a heat conducting oil heat exchanger 5, the normal-temperature heat conducting oil is preheated to 180 ℃, and then; the medium-temperature flue gas continuously flows to the next procedure, passes through the air-air heat exchanger 7, and is used for preheating normal-temperature air to 450 ℃, and hot air can be used for heating in a workshop, drying products and the like; the flue gas continuously flows to the next procedure, the flue gas passes through a desulphurization device 9, sulfur and sulfur compounds in the flue gas are desulfurized by adopting a baking soda dry method, desulfurized ash byproducts formed after desulphurization enter a dust remover to be collected, a small part of desulfurized ash byproducts enter a desulphurization tower through a material returning groove to be recycled, and the rest desulfurized ash is discharged outside to be comprehensively utilized; the flue gas flows into the dust removing device 10 through the connecting pipeline 39, the gas purification mode of the dust removing device 10 is an external filtration type, the dust-containing flue gas enters each unit filter chamber through the flow guide pipe and passes through the flue gas flow guide device arranged in the ash bucket, and because the vertical distance between the bag bottom and the upper opening of the air inlet has enough and reasonable clearance in the design, the airflow is distributed through proper flow guide and natural flow direction, so that the airflow in the whole filter chamber is uniformly distributed; the particle dust in the dust-containing gas directly falls into a dust hopper after natural sedimentation separation, and the rest dust enters a middle box body filtering area along with the air flow under the guide of a flow guide system and is adsorbed on the outer surface of the dust removal filter bag; the filtered and dedusted flue gas passes through a denitration device 11, the device adopts a selective catalytic reduction method, the reaction occurs in a reactor filled with a catalyst, and the flue gas and sprayed ammonia react under the action of the catalyst to realize the removal of oxynitride; then, the treated purified flue gas reaching the standard is sent into a flue gas exhaust pipeline 12 by a flue gas exhaust draught fan 13 and then exhausted into the air from a chimney, and an automatic cold air distribution system is arranged at the inlet of the flue gas exhaust draught fan to protect the flue gas exhaust draught fan;
the burning temperature of the organic flue gas entering the incinerator is 800 ℃ (the burning temperature is different because of different organic components); the fuel of the flue gas incinerator can be any one of natural gas, coke oven gas, gas and the like; the waste heat utilization equipment comprises an air heat exchanger, a heat conduction oil heat exchanger, a hot water heat exchanger and the like, but is not limited to the above equipment.
Claims (6)
1. The utility model provides an industrial kiln organic flue gas burns, desulfurization, dust removal and denitration's production facility, it includes kiln (1), exhaust gas pipeline, waste heat recovery utilizes device, desulphurization unit, dust collector and denitrification facility, its characterized in that: add above kiln (1) in the gas pipeline exit of discharging fume and burnt burning furnace (2), this smoke pipe (26) of burning furnace (2) pass through air heat exchanger (3) and pass through elbow fitting connection waste heat recovery and utilization device, waste heat utilization recovery device's flue gas outlet pipe links to each other with III (37) of the flue gas inlet of desulphurization unit (9), the exhanst gas outlet of desulphurization unit (9) passes through connecting tube (39) and links to each other with the flue gas import pipe of dust collector (10), the exhanst gas outlet pipe of dust collector (10) passes through pipeline (41) and links to each other with the flue gas import pipe of denitrification facility (11), the purification flue gas after the denitration sends into behind gas pipeline (12) through draught fan (13) of discharging fume and discharges into in the air from chimney (14).
2. The industrial kiln organic flue gas incineration, desulfurization, dust removal and denitration production equipment as claimed in claim 1, characterized in that: the incinerator (2) is composed of an L-shaped cylindrical furnace body, burners with large adjustment ratio, a flow guiding central column (19), a flow guiding necking (23) and a smoke exhaust pipe (26), the L-shaped cylindrical furnace body is manufactured by filling refractory heat-insulating materials (16) in a metal shell (15), a horizontal long cylinder body is fixedly arranged at the top of the kiln (1) through a supporting seat (18), an organic smoke inlet (21) is arranged at the end part of a vertical short cylinder body and is connected with a smoke exhaust pipeline of the kiln, the flow guiding central column (19) is vertically arranged at the center of the vertical short cylinder body, burners I (20) with large adjustment ratio are staggered on the corresponding cylinder body and are arranged in the tangential direction, the flow guiding necking (23) is arranged in the middle of the horizontal long cylinder body, burners II (24) with large adjustment ratio are arranged on the cylinder body behind the flow guiding necking in the tangential direction, and a honeycomb partition wall (25) is arranged at the tail part of, the smoke in the furnace is guided to uniformly pass through the inner cavity, and the tail end smoke exhaust pipe (26) is connected with a waste heat recycling device arranged on the ground level through an air heat exchanger (3) through a bent pipe joint.
3. The industrial kiln organic flue gas incineration, desulfurization, dust removal and denitration production equipment as claimed in claim 1 or 2, characterized in that: explosion-proof/access doors (22) are respectively arranged on front and rear horizontal cylinders of the incinerator body, wherein the front and rear horizontal cylinders are provided with flow guide necking ports (23), the explosion-proof/access doors (22) are arranged at 45-degree included angles upwards in the cylinders, and protective guards are arranged at positions corresponding to the cylinder shell (15).
4. The industrial kiln organic flue gas incineration, desulfurization, dust removal and denitration production equipment as claimed in claim 3, characterized in that: the waste heat recycling device is composed of a heat conduction oil heat exchanger (5) and an air-air heat exchanger (7), wherein a flue gas inlet I (27) of the heat conduction oil heat exchanger (5) is connected with a flue gas pipeline (4) connected with an elbow joint, a flue gas outlet I (28) of the heat conduction oil heat exchanger is connected with a flue gas inlet II (32) of the air-air heat exchanger (7) through a pipeline, and a flue gas outlet II (33) of the air-air heat exchanger (7) is connected with a flue gas inlet III (37) of a desulfurization device through a pipeline.
5. The industrial kiln organic flue gas incineration, desulfurization, dust removal and denitration production equipment as claimed in claim 4, characterized in that: a bypass pipeline I (6) is arranged at the heat conduction oil heat exchanger (5), and a bypass pipeline II (8) is arranged beside the air-air heat exchanger (7).
6. The industrial kiln organic flue gas incineration, desulfurization, dust removal and denitration production equipment as claimed in claim 4 or 5, characterized in that: the desulfurization device (9) adopts a sodium bicarbonate dry desulfurization process; the dust removal device (10) adopts a metal film bag type dust remover to recover the particulate matters in the flue gas; the denitration device (11) adopts a selective catalytic reduction method, the reaction is carried out in a reactor filled with a catalyst, the flue gas and the sprayed ammonia react under the action of the catalyst to realize the removal of nitrogen oxides, wherein the reducing agent adopts a 30% urea solution, and the catalyst adopts an SCR medium-low temperature catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245571.2U CN211514091U (en) | 2019-12-16 | 2019-12-16 | Production equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas of industrial kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245571.2U CN211514091U (en) | 2019-12-16 | 2019-12-16 | Production equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas of industrial kiln |
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| Publication Number | Publication Date |
|---|---|
| CN211514091U true CN211514091U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922245571.2U Withdrawn - After Issue CN211514091U (en) | 2019-12-16 | 2019-12-16 | Production equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas of industrial kiln |
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| CN (1) | CN211514091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833763A (en) * | 2019-12-16 | 2020-02-25 | 黄冈市华窑中洲窑炉有限公司 | Production process and equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas |
-
2019
- 2019-12-16 CN CN201922245571.2U patent/CN211514091U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833763A (en) * | 2019-12-16 | 2020-02-25 | 黄冈市华窑中洲窑炉有限公司 | Production process and equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas |
| CN110833763B (en) * | 2019-12-16 | 2024-05-31 | 黄冈市华窑中洲窑炉有限公司 | Production process and equipment for organic flue gas incineration, desulfurization, dust removal and denitration |
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