CN113117515A - Multiple-effect bag-type flue gas dust removal system - Google Patents

Multiple-effect bag-type flue gas dust removal system Download PDF

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Publication number
CN113117515A
CN113117515A CN201911419825.6A CN201911419825A CN113117515A CN 113117515 A CN113117515 A CN 113117515A CN 201911419825 A CN201911419825 A CN 201911419825A CN 113117515 A CN113117515 A CN 113117515A
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China
Prior art keywords
communicated
injection device
pipeline
flue gas
reaction tower
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Pending
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CN201911419825.6A
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Chinese (zh)
Inventor
朱金海
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Suzhou Anjian Environmental Protection Technology Co ltd
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Suzhou Anjian Environmental Protection Technology Co ltd
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Priority to CN201911419825.6A priority Critical patent/CN113117515A/en
Publication of CN113117515A publication Critical patent/CN113117515A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/68Halogens or halogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/40Alkaline earth metal or magnesium compounds
    • B01D2251/404Alkaline earth metal or magnesium compounds of calcium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20707Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/2073Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Abstract

The invention relates to the technical field of dust removal equipment, in particular to a multi-effect flue gas bag type dust removal system, which comprises an incinerator, a urea injection device, a deacidification reaction tower, a sodium bicarbonate injection device, an active carbon injection device, a dust remover, an SCR (Selective catalytic reduction) denitration device, an induced draft fan and a chimney, wherein a smoke outlet of the incinerator is communicated with a smoke inlet of the deacidification reaction tower through a pipeline, a smoke outlet of the deacidification reaction tower is communicated with a smoke inlet of the dust remover through a pipeline, the smoke outlet of the deacidification reaction tower is positioned at the bottom, the smoke outlet of the dust remover is communicated with the smoke inlet of the SCR denitration device through a pipeline, the smoke outlet of the SCR denitration device is communicated with the induced draft fan, an air outlet end of the induced draft fan is communicated with the chimney through a pipeline, and the pipeline between the deacidification reaction tower and the dust remover is communicated with the active carbon injection device and the sodium bicarbonate injection, the dust removal effect is improved.

Description

Multiple-effect bag-type flue gas dust removal system
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to a multi-effect flue gas bag type dust removal system.
Background
With the increase of human production activities and social activities, especially since the industrial revolution, the quality of the atmospheric environment is gradually deteriorated due to the combustion of a large amount of fuel and the emission of industrial waste gas and automobile exhaust, and China is also reformed and opened, so that the economy is rapidly developed, but the air quality is also continuously deteriorated. Nowadays, the environmental protection consciousness of China is continuously strengthened, and no matter large enterprises in China or small units of private enterprises, the environment is protected at the first position, and the efforts are jointly made for creating a clean home.
Glass melting is a high-temperature chemical reaction process, waste gas is generated by fuel combustion and raw material reaction, and the main generated waste gas comprises the following components: carbon dioxide, sulfur dioxide, carbon monoxide, nitric oxide, smoke dust and the like, the production of colored glass also has volatile coloring agents, except the carbon dioxide, other components are harmful components, especially dust pollution, the dust pollution directly threatens the life of people, and especially the environment polluted by dust in the body can cause various cardiovascular and respiratory diseases and the like. The influence of dust pollution on the old and children is the largest, and the excessive dust is easy to breed germs and viruses, so that the health of the old and children is extremely bad, and the skin health is also greatly damaged.
Consequently just can discharge after in time handling the dust in the tail gas in the glass production process, current dust treatment device is bulky mostly, and dust treatment's work efficiency is not high moreover, and the treatment effect is not good, causes the pollution of environment easily.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides a multi-effect bag type dust removal system for flue gas, which can effectively solve the problems that most dust treatment devices in the prior art are large in size, the working efficiency of dust treatment is not high, the treatment effect is not good, and the environment is easily polluted.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a multi-effect bag-type dust-removing system for fume is composed of incinerator, urea sprayer, deacidifying tower, sodium bicarbonate sprayer, activated carbon sprayer, duster, SCR denitration unit, draught fan and chimney, the smoke outlet of the incinerator is communicated with the smoke inlet of the deacidification reaction tower through a pipeline, the smoke outlet of the deacidification reaction tower is communicated with the smoke inlet of the dust remover through a pipeline, and the smoke outlet of the deacidification reaction tower is positioned at the bottom, the smoke outlet of the dust remover is communicated with the smoke inlet of the SCR denitration device through a pipeline, the smoke outlet of the SCR denitration device is communicated with an induced draft fan, the air outlet end of the induced draft fan is communicated with a chimney through a pipeline, the pipeline between the deacidification reaction tower and the dust remover is communicated with an active carbon injection device and a sodium bicarbonate injection device which are arranged in parallel, and ash discharge valves are arranged at the bottoms of the deacidification reaction tower, the dust remover and the SCR denitration device.
Furthermore, a urea injection device is arranged in the incinerator and connected with a mixer through a pipeline, a solution delivery pump is communicated with the liquid inlet side of the mixer, and the solution delivery pump is communicated with a urea solution preparation room.
Still further, the urea injection device comprises a plurality of atomizing nozzles disposed at the top of the incinerator, and the plurality of atomizing nozzles are communicated with the mixer through a conduit.
Still further, the urea injection device comprises a plurality of atomizing nozzles disposed at the top of the incinerator, and the plurality of atomizing nozzles are communicated with the mixer through a conduit.
Further, the top of the deacidification reaction tower is provided with a high-speed rotary sprayer, and the high-speed rotary sprayer is communicated with a container filled with a CaCOH solution through a conduit.
Furthermore, the sodium bicarbonate injection device and the activated carbon injection device respectively comprise box bodies filled with sodium bicarbonate solution and activated carbon solution, the box bodies are communicated with the pipeline through a guide pipe, and injectors are arranged at the communicated positions.
Furthermore, the dust remover is a bag type dust remover.
Furthermore, the SCR denitration device comprises an SCR reactor, the top of the SCR reactor is communicated with the dust remover, a plurality of catalytic reaction layers which are distributed at equal intervals are arranged inside the SCR reactor, and a low-temperature catalyst is arranged on each catalytic reaction layer.
Furthermore, the carrier material of the low-temperature catalyst is TiO, and the active material is Mn and Fe metal oxide.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
according to the invention, by arranging the urea injection device, the deacidification reaction tower, the sodium bicarbonate injection device, the activated carbon injection device, the dust remover, the SCR denitration device, the draught fan and the chimney, the flue gas firstly reacts with the catalytic reaction layer in the incinerator to remove NO, enters the deacidification reaction tower to react with the CaCOH solution to remove acidic gases such as SO, HC1 and the like in the flue gas, then goes out fly ash through the bag-type dust remover, and finally further denitrifies through the low-temperature SCR denitrification technology, SO that the flue gas dedusting operation is completed, the dedusting efficiency is greatly improved, and the dedusting effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a flue gas dedusting process line frame according to the present invention;
FIG. 2 is a schematic view of the SCR reactor of the present invention;
FIG. 3 is a schematic diagram of a urea solution supply line block according to the present invention;
the reference numerals in the drawings denote: 1-an incinerator; 2-urea injection means; 3-deacidifying reaction tower; 4-sodium bicarbonate sparging device; 5-an activated carbon injection device; 6-a dust remover; 7-SCR denitration device; 8-induced draft fan; 9-a chimney; 10-a mixer; 11-solution delivery pump; 12-an SCR reactor; 13-a catalytic reaction layer; 14-low temperature catalyst.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
The multiple-effect bag-type dust removal system for flue gas of the embodiment is as follows, with reference to fig. 1-3: comprises an incinerator 1, a urea injection device 2, a deacidification reaction tower 3, a sodium bicarbonate injection device 4, an active carbon injection device 5, a dust remover 6, an SCR denitration device 7, an induced draft fan 8 and a chimney 9, wherein the smoke outlet of the incinerator 1 is communicated with the smoke inlet of the deacidification reaction tower 3 through a pipeline, the smoke outlet of the deacidification reaction tower 3 is communicated with the smoke inlet of the dust remover 6 through a pipeline, and the outlet flue of deacidification reaction tower 3 is located the bottom, the outlet flue of dust remover 6 is linked together through the cigarette mouth that advances of pipeline and SCR denitrification facility 7, the outlet flue intercommunication of SCR denitrification facility 7 has draught fan 8, the end of giving vent to anger of draught fan 8 is linked together through pipeline and chimney 9, the intercommunication has activated carbon injection apparatus 5 and sodium bicarbonate injection apparatus 4 that set up side by side on the pipeline between deacidification reaction tower 3 and the dust remover 6, deacidification reaction tower 3, the bottom of dust remover 6 and SCR denitrification facility 7 all is provided with the unloading valve.
The incinerator 1 is internally provided with a urea injection device 2, the urea injection device 2 is connected with a mixer 10 through a pipeline, the liquid inlet side of the mixer 10 is communicated with a solution delivery pump 11, the solution delivery pump 11 is communicated with a urea solution preparation room, the urea injection device 2 comprises a plurality of atomizing nozzles arranged at the top in the incinerator, the atomizing nozzles are communicated with the mixer 10 through a conduit, the top of a deacidification reaction tower 3 is provided with a high-speed rotary sprayer, the high-speed rotary sprayer is communicated with a container filled with a CaCOH solution through a conduit, a sodium bicarbonate injection device 4 and an active carbon injection device 5 respectively comprise a box body filled with the sodium bicarbonate solution and the active carbon solution, the box body is communicated with the pipeline through a conduit, meanwhile, the communicated part is provided with an injector, the dust remover 6 selects a bag type dust remover, the SCR denitration device 7 comprises an SCR reactor 12, the top of which is communicated with the dust, a plurality of catalytic reaction layers 13 are arranged in the SCR reactor 12, which are equidistantly distributed from top to bottom, a low-temperature catalyst 14 is arranged on the catalytic reaction layers 13, a carrier material of the low-temperature catalyst 14 is TiO, and an active material is metal oxide of Mn and Fe.
The working principle is as follows: urea is prepared into urea solution with the concentration of about 4O% through a urea solution preparation room, the urea solution is conveyed to a mixer 10 through a solution conveying pump 11, the urea solution is further diluted into dilute solution with the concentration of 5% by water in the mixer 10, the diluted solution is atomized by compressed air and is sprayed into an incinerator 1 from the top through a nozzle to react with NO in flue gas, the NO is reduced into N and H20 at high temperature, the denitrification operation is realized, then the flue gas enters a deacidification reaction tower 3 through a pipeline, CaOH slurry sprayed by a high-speed rotary sprayer in the deacidification reaction tower 3 is fully mixed with the flue gas, acidic gases such as SO, HC1 and the like in the flue gas are removed after neutralization reaction with CaOH, the treated flue gas enters a bag type dust remover 6 through the lower part of the deacidification reaction tower 3 through a pipeline to carry out dust removal operation, a sodium bicarbonate injection device 4 and an active carbon injection device 5 are arranged on a channel between the dust remover 6 and the deacidification reaction tower 3, the sodium bicarbonate powder sprayed out and the acid gas in the smoke generate neutralization reaction to ensure that the acid gas emission reaches the standard at any moment,
the flue gas enters into the SCR reactor 12, the multi-layer catalytic reaction layer 13 further reacts with the flue gas, wherein the carrier material of the low-temperature catalyst 14 is TiO, the active material is metal oxides such as Mn, Fe and the like, NO can be removed more efficiently when the reaction temperature is about 150 ℃,
meanwhile, after the dust remover 6 removes dust, the pollution or poisoning of trace elements such as K, Na, CAs and the like in the fly ash to the catalyst can be avoided, the inactivation of the catalyst caused by SO2 is relieved, and the service life of the catalyst is shortened, SO that the flue gas does not need to be heated before entering the SCR reactor 12, the energy consumption is greatly reduced, the dust removal efficiency is greatly improved, and the dust removal effect is improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (8)

1. The utility model provides a flue gas multiple-effect bag house dust pelletizing system which characterized in that: comprises an incinerator, a urea injection device, a deacidification reaction tower, a sodium bicarbonate injection device, an active carbon injection device, a dust remover, an SCR denitration device, a draught fan and a chimney, the smoke outlet of the incinerator is communicated with the smoke inlet of the deacidification reaction tower through a pipeline, the smoke outlet of the deacidification reaction tower is communicated with the smoke inlet of the dust remover through a pipeline, and the smoke outlet of the deacidification reaction tower is positioned at the bottom, the smoke outlet of the dust remover is communicated with the smoke inlet of the SCR denitration device through a pipeline, the smoke outlet of the SCR denitration device is communicated with an induced draft fan, the air outlet end of the induced draft fan is communicated with a chimney through a pipeline, the pipeline between the deacidification reaction tower and the dust remover is communicated with an active carbon injection device and a sodium bicarbonate injection device which are arranged in parallel, and ash discharge valves are arranged at the bottoms of the deacidification reaction tower, the dust remover and the SCR denitration device.
2. The multiple-effect bag-type flue gas dust removal system of claim 1, wherein a urea injection device is arranged in the incinerator, the urea injection device is connected with a mixer through a pipeline, a solution delivery pump is communicated with a liquid inlet side of the mixer, and the solution delivery pump is communicated with a urea solution preparation room.
3. The multi-effect bag-type dust removal system for flue gas as claimed in claim 1, wherein the urea injection device comprises a plurality of atomizing nozzles disposed at the top of the incinerator, and the plurality of atomizing nozzles are communicated with the mixer through a conduit.
4. The multiple-effect bag type dust removal system for flue gas as claimed in claim 1, wherein a high-speed rotary sprayer is installed at the top of the deacidification reaction tower, and is communicated with a container filled with a CaCOH solution through a conduit.
5. The multiple-effect bag-type dust removal system for flue gas as claimed in claim 1, wherein the sodium bicarbonate injection device and the activated carbon injection device comprise box bodies respectively filled with sodium bicarbonate solution and activated carbon solution, the box bodies are communicated with the pipeline through a conduit, and injectors are arranged at the communicated positions.
6. The multi-effect bag type dust removal system for flue gas as claimed in claim 1, wherein the dust remover is a bag type dust remover.
7. The multiple-effect bag-type dedusting system for flue gas as recited in claim 1, wherein the SCR denitration device comprises an SCR reactor, the top of which is communicated with the deduster, a plurality of catalytic reaction layers are arranged inside the SCR reactor and are distributed at equal intervals from top to bottom, and a low-temperature catalyst is arranged on the catalytic reaction layers.
8. The multi-effect bag-type dust removal system for flue gas as claimed in claim 7, wherein the carrier material of the low-temperature catalyst is TiO, and the active material is Mn, Fe metal oxide.
CN201911419825.6A 2019-12-31 2019-12-31 Multiple-effect bag-type flue gas dust removal system Pending CN113117515A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104190253A (en) * 2014-08-25 2014-12-10 上海宝钢节能环保技术有限公司 Coke oven flue gas SCR denitration system
CN104492259A (en) * 2014-12-26 2015-04-08 南通天蓝环保能源成套设备有限公司 SCR flue gas denitrification system for household garbage furnace
CN105498447A (en) * 2016-01-19 2016-04-20 武汉理工大学 Low-temprature flue gas denitration and poisoning-prevention system
CN106621754A (en) * 2016-12-31 2017-05-10 上海康恒环境股份有限公司 Garbage incineration fume ultralow emission purifying system
CN107551779A (en) * 2017-09-22 2018-01-09 中国恩菲工程技术有限公司 The processing unit of flue gas of refuse burning
CN108636098A (en) * 2016-12-31 2018-10-12 上海康恒环境股份有限公司 A kind of the minimum discharge purifier and its method of burning city domestic garbage flue gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104190253A (en) * 2014-08-25 2014-12-10 上海宝钢节能环保技术有限公司 Coke oven flue gas SCR denitration system
CN104492259A (en) * 2014-12-26 2015-04-08 南通天蓝环保能源成套设备有限公司 SCR flue gas denitrification system for household garbage furnace
CN105498447A (en) * 2016-01-19 2016-04-20 武汉理工大学 Low-temprature flue gas denitration and poisoning-prevention system
CN106621754A (en) * 2016-12-31 2017-05-10 上海康恒环境股份有限公司 Garbage incineration fume ultralow emission purifying system
CN108636098A (en) * 2016-12-31 2018-10-12 上海康恒环境股份有限公司 A kind of the minimum discharge purifier and its method of burning city domestic garbage flue gas
CN107551779A (en) * 2017-09-22 2018-01-09 中国恩菲工程技术有限公司 The processing unit of flue gas of refuse burning

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