CN108561893A - A kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process - Google Patents

A kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process Download PDF

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Publication number
CN108561893A
CN108561893A CN201810396204.XA CN201810396204A CN108561893A CN 108561893 A CN108561893 A CN 108561893A CN 201810396204 A CN201810396204 A CN 201810396204A CN 108561893 A CN108561893 A CN 108561893A
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Prior art keywords
dust
boiler
flue gas
denitration
stove
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CN108561893B (en
Inventor
魏志宏
吴谨
张显涛
杨明哲
闫旭东
王建伟
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TIANJIN XINGSHENG LANTIAN CLEANING COAL TECHNOLOGY Co.,Ltd.
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Tianjin Xingsheng Clean Coal Technology Co Ltd Blue Sky
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    • 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
    • F23J15/003Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • 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
    • 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
    • B01D53/504Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • 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
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • 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
    • B01D53/75Multi-step processes
    • 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
    • B01D53/79Injecting reactants
    • 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
    • B01D53/8631Processes characterised by a specific device
    • 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
    • B01D53/90Injecting reactants
    • 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
    • F23J15/006Layout of treatment plant
    • 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
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • 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
    • 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
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/206Ammonium compounds
    • B01D2251/2062Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20723Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20776Tungsten
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/10Nitrogen; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/20Sulfur; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/10Intercepting solids by filters
    • F23J2217/101Baghouse type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/50Intercepting solids by cleaning fluids (washers or scrubbers)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00Treatment devices
    • F23J2219/10Catalytic reduction devices

Abstract

A kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology of present invention offer and its technological process, boiler system includes coal storage powder unit, defeated coal dust unit, boiler body, exhaust gas treatment unit and treatment unit for waste water, coal storage powder unit connects boiler body by defeated coal dust unit, and boiler body connects exhaust gas treatment unit and treatment unit for waste water;Exhaust gas treatment unit includes denitration part, dust removal part and disengagement section, and denitration part is using reduction denitration combined denitration outside non-selective furnace reduction denitration and selective stove;Dust removal part uses pulse bag-type dust-removing;Disengagement section uses sodalime double alkali method, and the technological process of the system includes:Coal storage powder process, defeated coal dust process, burning process, exhaust-gas treatment process and Solid state fermentation process.The present invention uses the boiler system and its technological process, can be effectively improved boiler system overall performance so that boiler system discharges dust concentration and is less than 10mg/m3, the concentration of sulfur dioxide is less than 20mg/m3, while the concentration of nitrogen oxides is in 50mg/m3Below.

Description

A kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process
Technical field
The present invention relates to industrial coal powder boiler technical field more particularly to a kind of collaboration controls of Industrial Boiler flue gas multiple pollutant Technology processed and its technological process.
Background technology
Industrial coal powder boiler is released by technological innovation on the basis of being originally intended to the large capacity pulverized-coal fired boiler in power station Infant industry pulverized coal fired boiler.In industrial coal powder boiler combustion process, often contain a large amount of cigarette in the flue gas generated that burns Dirt, sulfur dioxide and nitrogen oxides, if direct emission generates serious harm in air, to environment and health.With The continuous improvement of society and living standards, to pulverized coal fired boiler system, higher requirements are also raised, to adapt to existing growth requirement, To the improvement of industrial pulverized-coal fired boiler, higher requirements are also raised, therefore, to reduce industrial pulverized-coal fired boiler discharge The content of flue dust, sulfur dioxide and nitrogen oxides in flue gas needs constantly improve and improves industrial pulverized-coal fired boiler and its technique Flow, to reduce the discharge capacity of flue dust in industrial pulverized-coal fired boiler, sulfur dioxide and nitrogen oxides etc..
Invention content
It is a primary object of the present invention to solve problems of the prior art, boiler can be effectively improved by providing one kind Systematic entirety energy so that the dust concentration of boiler system discharge is less than 10mg/m3, the concentration of sulfur dioxide is less than 20mg/m3, The concentration of nitrogen oxides is in 50mg/m simultaneously3Industrial Boiler flue gas multiple pollutant Collaborative Control technology below and its technique stream Journey.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of Industrial Boiler flue gas multiple pollutant association Same control technology, wherein the Industrial Boiler flue gas multiple pollutant Collaborative Control technology include coal storage powder unit, defeated coal dust unit, Boiler body, exhaust gas treatment unit and treatment unit for waste water, the coal storage powder unit connect boiler body by defeated coal dust unit, The boiler body connection exhaust gas treatment unit and treatment unit for waste water;
The exhaust gas treatment unit includes denitration part, dust removal part and disengagement section, and the denitration part connects boiler Main body, and the output end of the denitration part is sequentially connected dust removal part and disengagement section;
The denitration part restores denitration combined denitration mode outside using non-selective furnace reduction denitration and selective stove, And select ammonium hydroxide as reducing agent;
The dust removal part uses pulse bag-type dust-removing mode;
The disengagement section reduces the discharge of sulfur dioxide and flue dust using sodalime double alkali method.
Further, the denitration part is set as including tank used for storing ammonia, ammonium hydroxide delivery pump, dilution water pot, static mixing SNCR denitration equipment and the outer SCR denitration equipment of stove, the ammonium hydroxide of the ammonium hydroxide outlet and static mixer of the tank used for storing ammonia in device, stove Ammonium hydroxide delivery pump is set on the pipeline that import is connected, and the water outlet of the dilution water pot is connected to static mixer by pipeline The outlet end of water inlet, the static mixer is connected to SNCR denitration equipment and SCR denitration equipment outside stove in stove by pipeline Ammonia water spray main body water inlet end, the ammonia water spray main body water outlet of SNCR denitration equipment extends to the stove of boiler body in the stove At thorax, the ammonia water spray main body of the outer SCR denitration equipment of the stove is set on the smoke discharging pipe of boiler body.
Further, the dust removal part is made of dust cleaning case, ash discharge main body and injection main body, is connected on the dust cleaning case Smoke discharging pipe outlet after SCR denitration equipment injection pipe denitration process outside stove, and the bottom of the dust cleaning case is connected to ash discharge main body, The inner cavity of the injection main body connection dust cleaning case.
Further, the disengagement section is set as including desulfurizing tower main body, gas-liquid distributor, atomizing spray layer, flue gas The bottom of tower of washer, demister and exhaust tube, the desulfurizing tower main body is connected to the smoke discharging pipe after dust removal part dust removal process Outlet, and the inner cavity of the desulfurizing tower main body sets gradually gas-liquid distributor, three layers of atomizing spray layer, one layer of flue gas and washes from the bottom to top Device and two layers of demister, the outlet end of the exhaust tube connection demister are washed, and exhaust tube height is set as 95 meters.
Further, economizer is also set up on the smoke discharging pipe between the denitration part and dust removal part.
Further, breather valve is set on the tank used for storing ammonia, and the tank used for storing ammonia side also sets up toxic gas detection Instrument and fire-fighting spray device, and the tank used for storing ammonia is enclosed by cofferdam and is set, and drainage pipeline is set in the cofferdam, the drainage pipeline Outlet end is connected to treatment unit for waste water.
Further, the treatment unit for waste water includes cooling tank, acidic and alkaline waste water regulating reservoir and sedimentation basin, the cooling tank Sedimentation basin is connect by pipeline with acidic and alkaline waste water regulating reservoir, the cooling tank connects the sewerage of boiler body by pipeline Mouthful, the acidic and alkaline waste water regulating reservoir connects the acid discharge alkali waste water mouth of denitration part and disengagement section, the sedimentation basin by pipeline Water outlet by pipeline be connected to boiler body flushing cinder pipeline and atomizing spray layer moisturizing pipeline.
Further, the coal storage powder unit includes pulverized coal bin, coal dust intake pipeline and coal dust delivery port, the pulverized coal bin Upper connection coal dust intake pipeline, and coal dust delivery port is opened up in the pulverized coal bin.
Further, the defeated coal dust unit is set as including coal dust feed-line, defeated powder wind turbine, secondary powder cabin, impeller The input end of pulverizer coal feeder, coal, pulverulent fuel mixer and roots blower, the coal dust feed-line connects coal dust delivery port, and the coal dust is defeated It send and defeated powder wind turbine is set on the pipeline that pipeline is connected with the coal dust import in secondary powder cabin, leaf is arranged in the secondary powder cabin inner cavity Take turns pulverizer coal feeder and coal, pulverulent fuel mixer, and the pipe that the coal dust delivery port in the secondary powder cabin is connected with the burner hearth cavity of boiler body Roots blower is set on road.
A kind of technological process of Industrial Boiler flue gas multiple pollutant Collaborative Control technology, includes the following steps:
(1) coal storage powder process:Using the coal dust vehicle with hermetically sealed can by pulverized coal conveying to pulverized coal bin, inputted by coal dust Pipeline stores the coal dust in hermetically sealed can into pulverized coal bin, realizes the dustless storage of unloading of coal dust;
(2) defeated coal dust process:It is by coal dust feed-line that the coal dust in pulverized coal bin is defeated under the action of defeated powder wind turbine It send into secondary powder cabin;
(3) burning process:The coal dust of secondary powder cabin is under the auxiliary of roots blower, by the burner hearth cavity with boiler body The pipeline being connected enters burner hearth, and passes through the cooperation through air preheater treated air so that coal dust is in boiler body Burner hearth in good combustion, the clinker generated after coal dust firing is gone out by flushing cinder pipeline, to realize the deslagging of boiler body;
(4) exhaust-gas treatment process:The flue gas generated in above-mentioned burning process successively pass through denitration process, dust removal process and Desulfurization process completes the purification technique to flue gas;
(5) wastewater treatment process:The sewage of the sewage outlet discharge of boiler body enters precipitation after cooling tank cools down Pond, meanwhile, the sewage that above-mentioned exhaust-gas treatment process generates also is discharged into sedimentation basin after acidic and alkaline waste water regulating reservoir adjusts pH value, precipitates Waste water in pond is after precipitation is clarified for the cycle in the flushing cinder and exhaust-gas treatment process of boiler body in above-mentioned burning process Moisturizing uses;
(6) Solid state fermentation process:In the waste residue and exhaust-gas treatment process that are discharged in above-mentioned burning process after dust removal process The dust stratification of generation collects transhipment centralized processing.
Further, the exhaust-gas treatment process includes the following steps:
Step 1:Denitration process, in the burner hearth of boiler body while coal dust firing, SNCR denitration equipment injection pipe in stove Ammonium hydroxide in static mixer is injected directly into burner hearth, denitration in the stove processing is carried out with the flue gas generated to coal dust firing, meanwhile, The ammonia that the excessive ammonia that the ammonia water spray main body of SNCR denitration equipment sprays into stove is overflowed after denitration in the stove reacts, with smoke evacuation Flue gas in pipeline enters the outer denitration process of progress stove at the ammonia water spray main body of the outer SCR denitration equipment of stove, and in catalyst Under catalysis reduction, excessive ammonia and reaction of nitrogen oxides, to further decrease the nitrous oxides concentration in flue gas;
Step 2:Waste heat recovery processing, in above-mentioned steps 1, after completing the outer denitration process of stove, high-temperature flue gas through economizer into The absorption of heat in row flue gas saves the energy to reduce exhaust gas temperature;
Step 3:Dust removal process, through step 2, treated that flue gas enters dust removal part, and the larger particles dust in flue gas is straight It connects and falls into ash bucket, smaller particle dust penetrates the flue gas of filter bag by the smoke evacuation on dust cleaning case then by choked flow in filter bag surface Pipeline is discharged, and realizes the dust separation of flue gas;
Step 4:Desulfurization process is entered by the flue gas of the smoke discharging pipe discharge on dust cleaning case from desulfurizing tower bottom of tower, by gas Liquid distributor makes gas uniformly rise, and carries out flue gas desulfurization in three layers of atomizing spray layer, and removes cigarette by smoke washer The salinity carried secretly in gas most flue gas is discharged by exhaust tube, after two layers of demister removes the moisture in flue gas to complete afterwards Entire exhaust-gas treatment process.
Further, in the step 1 of the exhaust-gas treatment process, ammonium hydroxide delivery pump directly stores up 20% ammonium hydroxide from ammonium hydroxide Extraction is delivered in static mixer in tank, while providing dilution water to static mixer by dilution water pot, by static mixing Ammonium hydroxide in device is configured to the ammonia spirit of 5-10%, to the ammonia for SCR denitration equipment outside SNCR denitration equipment in stove and stove Water injection main body uses.
Further, in the step 1 of the exhaust-gas treatment process, the main component of catalyst is titanium dioxide, five oxidations Two vanadium and tungstic acid.
The invention has the advantages and positive effects that:
(1) it is used using SNCR in stove and SCR combined denitrations, dust removal part outside stove by the denitration part in boiler system Pulse bag-type dust-removing and disengagement section use sodalime double alkali method, and the exhaust gas treatment unit of boiler system is enabled to finally to discharge Dust concentration be less than 10mg/m3, the concentration of sulfur dioxide is less than 20mg/m3, while the concentration of nitrogen oxides is in 50mg/m3With Under, to be effectively improved the exhaust-gas treatment performance of boiler system.
(2) by tank used for storing ammonia, dilute the cooperation of water pot and static mixer, can carry out in stove SNCR denitration equipment and The good preparation of ammonia spirit needed for the outer SCR denitration equipment of stove, to which SNCR denitration equipment in auxiliary furnace and the outer SCR denitration of stove are set It is standby that denitration process twice is carried out to the flue gas generated in boiler system, fully to reduce the concentration of emission of nitrogen oxides in effluent, Improve the overall performance of the boiler system.
(3) by being blown the cooperation of pulse control instrument, pulse valve, injection tube and gas bag in main body, filter bag table can be carried out The periodic cleaning of flour dirt effectively reduces the dust-laden in discharge flue gas to ensure good filtering of the dust cleaning case to dust in flue gas Amount.
(4) pass through breather valve, poisonous gas detecting instrument, fire-fighting spray device and cofferdam, drainage pipeline on tank used for storing ammonia Setting, can prevent ammonium hydroxide leakage generate influence, to improve the safe application performance of denitration part in boiler system.
Description of the drawings
Fig. 1 is the structure diagram of Industrial Boiler flue gas multiple pollutant Collaborative Control technology in the present invention.
Fig. 2 is the process structure block diagram of Industrial Boiler flue gas multiple pollutant Collaborative Control technology in the present invention.
Specific implementation mode
In order to better understand the present invention, the present invention is further retouched with reference to specific embodiments and the drawings It states.
As shown in Figure 1, a kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology, including coal storage powder unit, defeated coal dust Unit, boiler body, exhaust gas treatment unit and treatment unit for waste water, coal storage powder unit connect boiler master by defeated coal dust unit Body, boiler body connect exhaust gas treatment unit and treatment unit for waste water;Exhaust gas treatment unit include denitration part, dust removal part and Disengagement section, denitration part connects boiler body, and the output end of the denitration part is sequentially connected dust removal part and disengagement section; Denitration part selects ammonium hydroxide to make using reduction denitration combined denitration mode outside non-selective furnace reduction denitration and selective stove For reducing agent;Dust removal part uses pulse bag-type dust-removing mode;Disengagement section reduces the row of sulfur dioxide using sodalime double alkali method It puts, impulse bag is used using SNCR in stove and SCR combined denitrations, dust removal part outside stove by the denitration part in boiler system Dedusting and disengagement section use sodalime double alkali method, enable to the flue dust that the exhaust gas treatment unit of boiler system finally discharges dense Degree is less than 10mg/m3, the concentration of sulfur dioxide is less than 20mg/m3, while the concentration of nitrogen oxides is in 50mg/m3Hereinafter, to have Effect improves the exhaust-gas treatment performance of boiler system.
It includes tank used for storing ammonia, ammonium hydroxide delivery pump that denitration part, which is set as, dilute water pot, SNCR is de- in static mixer, stove Nitre equipment and the outer SCR denitration equipment of stove, the ammonium hydroxide of tank used for storing ammonia export the pipeline being connected with the ammonium hydroxide import of static mixer Upper setting ammonium hydroxide delivery pump, the water outlet for diluting water pot are connected to the water inlet of static mixer by pipeline, static mixer Outlet end is connected to the ammonia water spray main body water inlet end of SCR denitration equipment outside SNCR denitration equipment and stove in stove by pipeline, in stove The ammonia water spray main body water outlet of SNCR denitration equipment extends at the burner hearth of boiler body, the ammonium hydroxide of the outer SCR denitration equipment of stove Jet body is set on the smoke discharging pipe of boiler body, specifically, the ammonia water spray main body arrangement of SNCR denitration equipment in stove The both sides above and below the front of boiler body include seven groups of injection pipes, the water outlet of seven groups of injection pipes per side ammonia water spray main body It extends at the burner hearth of boiler body, by the cooperation of tank used for storing ammonia, dilution water pot and static mixer, can carry out in stove The good preparation of ammonia spirit needed for SNCR denitration equipment and the outer SCR denitration equipment of stove, to SNCR denitration equipment in auxiliary furnace Denitration process twice is carried out to the flue gas generated in boiler system with SCR denitration equipment outside stove, fully to reduce nitrogen oxygen in flue gas The concentration of emission of compound improves the overall performance of the boiler system.
Dust removal part is made of dust cleaning case, ash discharge main body and injection main body, and connection is through SCR denitration equipment outside stove on dust cleaning case Smoke discharging pipe outlet after injection pipe denitration process, and the bottom of the dust cleaning case is connected to ash discharge main body, injection main body is connected to dedusting The inner cavity of case, wherein dust cleaning case is from top to bottom made of successively upper tank area, middle part case area and lower tank area, in upper tank area Hinged closures, and air port is opened up in the upper tank area, porous plate is set in the case area of middle part, and passes through filter bag frame in the middle part case area Filter bag is arranged in frame, and lower tank area includes ash bucket, air inlet and inspection door;It includes pulse control instrument, pulse valve, injection to be blown main body Pipe and gas bag, pulse control instrument, pulse valve, injection tube and gas bag are both secured on dust cleaning case, and pulse control instrument is electrically connected arteries and veins Valve is rushed, pulse valve is set on the admission line that injection tube is connected with gas bag, and the outlet end of injection tube extends to upper tank area Inner cavity, by be blown main body in pulse control instrument, pulse valve, injection tube and gas bag cooperation, filter bag surface powder can be carried out The periodic cleaning of dirt effectively reduces the dustiness in discharge flue gas to ensure good filtering of the dust cleaning case to dust in flue gas.
Disengagement section is set as including desulfurizing tower main body, gas-liquid distributor, atomizing spray layer, smoke washer, demister And exhaust tube, the bottom of tower of desulfurizing tower main body are connected to the outlet of the smoke discharging pipe after dust removal part dust removal process, and desulfurizing tower master The inner cavity of body sets gradually gas-liquid distributor, three layers of atomizing spray layer, one layer of smoke washer and two layers of demister from the bottom to top, Exhaust tube is connected to the outlet end of demister, and exhaust tube height is set as 95 meters, in addition, disengagement section is set as further including stone Grey feed bin, lime slurry feed system and lye feed system, lime bin connect lime slurry feed system, and lime slurry supplies To the desulfurizer regeneration pond of system connectivity desulfurizing tower main body, lye feed system is connected to the desulfurizer regeneration pond of desulfurizing tower main body, The desulfurizer regeneration pond of desulfurizing tower main body is connected to atomizing spray layer, to provide lye for atomizing spray layer, realizes in flue dust two The good processing of sulfur oxide.
Economizer is also set up on smoke discharging pipe between denitration part and dust removal part, passes through denitration part and dust removal part Between economizer, the waste heat in high-temperature flue gas can be recycled, and carry out in the burning process of boiler system again sharp With, to improve the utilization ratio to the energy, and it is energy saving.
Breather valve is set on tank used for storing ammonia, tank used for storing ammonia side also sets up poisonous gas detecting instrument and fire-fighting spray device, And the tank used for storing ammonia is enclosed by cofferdam and is set, and drainage pipeline is set in cofferdam, the outlet end of drainage pipeline is connected to treatment unit for waste water, tool The outlet end of body, drainage pipeline is connected to acidic and alkaline waste water regulating reservoir, by breather valve on tank used for storing ammonia, poisonous gas detecting instrument, The setting in fire-fighting spray device and cofferdam, drainage pipeline, the influence that can prevent ammonium hydroxide leakage from generating, to improve boiler system The safe application performance of middle denitration part.
Treatment unit for waste water includes cooling tank, acidic and alkaline waste water regulating reservoir and sedimentation basin, cooling tank and acidic and alkaline waste water regulating reservoir Sedimentation basin is connected by pipeline, cooling tank connects the sewage outlet of boiler body by pipeline, and acidic and alkaline waste water regulating reservoir passes through Pipeline connects the acid discharge alkali waste water mouth of denitration part and disengagement section, and the water outlet of sedimentation basin is connected to boiler body by pipeline The moisturizing pipeline of flushing cinder pipeline and atomizing spray layer can be right by the cooperation of cooling tank, acidic and alkaline waste water regulating reservoir and sedimentation basin The waste water generated in boiler system carries out purified treatment, and purified water is recycled and carries out flushing cinder processing or is mended for disengagement section Water recycles, and the utilization rate to waste water can be improved.
Coal storage powder unit includes pulverized coal bin, coal dust intake pipeline and coal dust delivery port, and coal dust input pipe is connected in pulverized coal bin Line, and coal dust delivery port is opened up in the pulverized coal bin.
Defeated coal dust unit is set as including that coal dust feed-line, defeated powder wind turbine, secondary powder cabin, Impeller powder feeder, coal dust are mixed The input end of clutch and roots blower, coal dust feed-line connects coal dust delivery port, and the coal dust feed-line and secondary powder cabin On the pipeline that is connected of coal dust import on defeated powder wind turbine, secondary powder cabin inner cavity setting Impeller powder feeder and coal dust mixing are set Device, and roots blower is set on the pipeline that is connected with the burner hearth cavity of boiler body of the coal dust delivery port in the secondary powder cabin.
Pulverized coal bin is set as the upright shroud shape of steel, and pulse roof scrubber is respectively provided in pulverized coal bin and secondary powder cabin.
Three groups of low nitrogen pulverized coal cyclone burners are set in the burner hearth of boiler body.
As shown in Fig. 2, a kind of technological process of Industrial Boiler flue gas multiple pollutant Collaborative Control technology, including walk as follows Suddenly:
(1) coal storage powder process:Using the coal dust vehicle with hermetically sealed can by pulverized coal conveying to pulverized coal bin, inputted by coal dust Pipeline stores the coal dust in hermetically sealed can into pulverized coal bin, realizes the dustless storage of unloading of coal dust;
(2) defeated coal dust process:It is by coal dust feed-line that the coal dust in pulverized coal bin is defeated under the action of defeated powder wind turbine It send into secondary powder cabin;
(3) burning process:The coal dust of secondary powder cabin is under the auxiliary of roots blower, by the burner hearth cavity with boiler body The pipeline being connected enters burner hearth, and passes through the cooperation through air preheater treated air so that coal dust is in boiler body Burner hearth in good combustion, the clinker generated after coal dust firing is gone out by flushing cinder pipeline, to realize the deslagging of boiler body;
(4) exhaust-gas treatment process:The flue gas generated in above-mentioned burning process successively pass through denitration process, dust removal process and Desulfurization process completes the purification technique to flue gas;
(5) wastewater treatment process:The sewage of the sewage outlet discharge of boiler body enters precipitation after cooling tank cools down Pond, meanwhile, the sewage that above-mentioned exhaust-gas treatment process generates also is discharged into sedimentation basin after acidic and alkaline waste water regulating reservoir adjusts pH value, precipitates Waste water in pond is after precipitation is clarified for the cycle in the flushing cinder and exhaust-gas treatment process of boiler body in above-mentioned burning process Moisturizing uses;
(6) Solid state fermentation process:In the waste residue and exhaust-gas treatment process that are discharged in above-mentioned burning process after dust removal process The dust stratification of generation collects transhipment centralized processing.
Specifically, above-mentioned exhaust-gas treatment process includes the following steps:
Step 1:Denitration process, in the burner hearth of boiler body while coal dust firing, SNCR denitration equipment injection pipe in stove Ammonium hydroxide in static mixer is injected directly into burner hearth, denitration in the stove processing is carried out with the flue gas generated to coal dust firing, meanwhile, The ammonia that the excessive ammonia that the ammonia water spray main body of SNCR denitration equipment sprays into stove is overflowed after denitration in the stove reacts, with smoke evacuation Flue gas in pipeline enters the outer denitration process of progress stove at the ammonia water spray main body of the outer SCR denitration equipment of stove, and in catalyst Under catalysis reduction, excessive ammonia and reaction of nitrogen oxides, to further decrease the nitrous oxides concentration in flue gas;
Step 2:Waste heat recovery processing, in above-mentioned steps 1, after completing the outer denitration process of stove, high-temperature flue gas through economizer into The absorption of heat in row flue gas saves the energy to reduce exhaust gas temperature;
Step 3:Dust removal process, through step 2, treated that flue gas enters dust removal part, and the larger particles dust in flue gas is straight It connects and falls into ash bucket, smaller particle dust penetrates the flue gas of filter bag by the smoke evacuation on dust cleaning case then by choked flow in filter bag surface Pipeline is discharged, and realizes the dust separation of flue gas;
Step 4:Desulfurization process is entered by the flue gas of the smoke discharging pipe discharge on dust cleaning case from desulfurizing tower bottom of tower, by gas Liquid distributor makes gas uniformly rise, and carries out flue gas desulfurization in three layers of atomizing spray layer, and removes cigarette by smoke washer The salinity carried secretly in gas most flue gas is discharged by exhaust tube, after two layers of demister removes the moisture in flue gas to complete afterwards Entire exhaust-gas treatment process.
Specifically, in the step 1 of exhaust-gas treatment process, ammonium hydroxide delivery pump directly takes out 20% ammonium hydroxide from tank used for storing ammonia Go out to be delivered in static mixer, while dilution water is provided to static mixer by dilution water pot, it will be in static mixer Ammonium hydroxide is configured to the ammonia spirit of 5-10%, to the ammonia water spray for SCR denitration equipment outside SNCR denitration equipment in stove and stove Main body uses.
Specifically, in the step 1 of exhaust-gas treatment process, the main component of catalyst be titanium dioxide, vanadic anhydride and Tungstic acid.
Specifically, in the step 3 of exhaust-gas treatment process, with the continuous progress of filtering, the resistance of dust removal part is also therewith Rise, when resistance reaches certain value, the dust-removing control device of dust removal part sends out deashing order, will promote valve plate first and close, Cut off filtered airflow;Then, dust-removing control device sends out signal to pulse valve, as pulse valve is opened, the compressed air in gas bag Jetting deashing is carried out to filter bag by injection tube so that the rapid bulging of filter bag, and strong shake is generated, invest the powder on filter bag surface Dirt is detached from rapidly filter bag and falls into ash bucket, and dust is discharged by unloading valve.
When wherein, using the Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process, boiler system warp The monitoring result data such as following table of each parameter in the flue gas discharged after flue gas and exhaust-gas treatment process that burning process generates:
Table one:Flue dust after denitration process in flue gas and monitoring nitrogen oxide result data (unit:Concentration of emission mg/ m3, rate of discharge kg/h)
Table two:Flue dust after dust removal process in flue gas and sulfur dioxide monitoring result data (unit:Concentration of emission mg/ m3, rate of discharge kg/h)
Table three:The monitoring result data of flue dust, sulfur dioxide, nitrogen oxides and ammonia after desulfurization process in flue gas are (single Position:Concentration of emission mg/m3, rate of discharge kg/h)
It can be seen from the data in table one, table two and table three burn process generate flue gas after exhaust-gas treatment process, The content of flue dust, sulfur dioxide and nitrogen oxides is substantially reduced in its flue gas finally discharged, and ammon amount in the flue gas discharged Also less.And it is provided in boiler pollutant discharge standard:Smoke dust discharge concentration should be no more than 10mg/m3, sulfur dioxide (SO2) emissions it is dense Degree should be no more than 20mg/m3, discharged nitrous oxides concentration should be no more than 50mg/m3And the rate of discharge of ammonia should be no more than 49.33kg/h, in conjunction with the data in table three it is found that the Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process The flue dust of middle discharge, sulfur dioxide, nitrogen oxides and ammonia content be below boiler pollutant discharge standard value, therefore, the work In industry boiler smoke multi-pollutant Collaborative Control technology and its technological process, the exhaust-gas treatment performance of boiler system is higher.
In addition, when using the Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process, boiler system is useless Treatment effeciency such as following table of the gas disposal process to flue gas:
Table four:The efficiency of dust collection of boiler system dust removal process and the fume treatment efficiency of desulfurization process
As shown in Table 4, in the Industrial Boiler flue gas multiple pollutant Collaborative Control technology and its technological process, exhaust-gas treatment Process is higher to the treatment effeciency of flue gas, hereby it is ensured that the Industrial Boiler flue gas multiple pollutant Collaborative Control technology is with good Exhaust-gas treatment performance.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention, It should not be construed as limiting the practical range of the present invention.All changes and improvements made in accordance with the scope of the present invention, should all It still belongs within this patent covering scope.

Claims (10)

1. a kind of Industrial Boiler flue gas multiple pollutant Collaborative Control technology, it is characterised in that:The Industrial Boiler flue gas pollutes more Object Collaborative Control technology includes coal storage powder unit, defeated coal dust unit, boiler body, exhaust gas treatment unit and treatment unit for waste water, The coal storage powder unit connects boiler body by defeated coal dust unit, and the boiler body connects at exhaust gas treatment unit and waste water Manage unit;
The exhaust gas treatment unit includes denitration part, dust removal part and disengagement section, and the denitration part connects boiler body, And the output end of the denitration part is sequentially connected dust removal part and disengagement section;
It is selected using reduction denitration combined denitration mode outside non-selective furnace reduction denitration and selective stove the denitration part Use ammonium hydroxide as reducing agent;
The dust removal part uses pulse bag-type dust-removing mode;
The disengagement section reduces the discharge of sulfur dioxide and flue dust using sodalime double alkali method.
2. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 1, it is characterised in that:The denitration It includes tank used for storing ammonia, ammonium hydroxide delivery pump that part, which is set as, dilute water pot, static mixer, in stove outside SNCR denitration equipment and stove SCR denitration equipment, the ammonium hydroxide of the tank used for storing ammonia is exported is arranged ammonia on the pipeline being connected with the ammonium hydroxide import of static mixer The water outlet of water delivery pump, the dilution water pot is connected to the water inlet of static mixer by pipeline, the static mixer Outlet end is connected to the ammonia water spray main body water inlet end of SNCR denitration equipment and SCR denitration equipment outside stove in stove by pipeline, described The ammonia water spray main body water outlet of SNCR denitration equipment extends at the burner hearth of boiler body in stove, and the outer SCR denitration of the stove is set Standby ammonia water spray main body is set on the smoke discharging pipe of boiler body.
3. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 2, it is characterised in that:The dedusting Part is made of dust cleaning case, ash discharge main body and injection main body, and connection is de- through SCR denitration equipment injection pipe outside stove on the dust cleaning case The outlet of nitre treated smoke discharging pipe, and the bottom of the dust cleaning case is connected to ash discharge main body, the injection main body connection dust cleaning case Inner cavity.
4. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 3, it is characterised in that:The desulfurization Part is set as including desulfurizing tower main body, gas-liquid distributor, atomizing spray layer, smoke washer, demister and exhaust tube, described The bottom of tower of desulfurizing tower main body is connected to the outlet of the smoke discharging pipe after dust removal part dust removal process, and the inner cavity of the desulfurizing tower main body by Under supreme set gradually gas-liquid distributor, three layers of atomizing spray layer, one layer of smoke washer and two layers of demister, the exhaust tube It is connected to the outlet end of demister, and exhaust tube height is set as 95 meters.
5. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 1, it is characterised in that:The denitration Economizer is also set up on smoke discharging pipe between part and dust removal part.
6. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 2, it is characterised in that:The ammonium hydroxide Breather valve is set on storage tank, and the tank used for storing ammonia side also sets up poisonous gas detecting instrument and fire-fighting spray device, and the ammonium hydroxide Storage tank is enclosed by cofferdam to be set, and drainage pipeline is set in the cofferdam, and the outlet end of the drainage pipeline is connected to treatment unit for waste water.
7. Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 1, it is characterised in that:The waste water Processing unit includes cooling tank, acidic and alkaline waste water regulating reservoir and sedimentation basin, and the cooling tank passes through pipe with acidic and alkaline waste water regulating reservoir Road connects sedimentation basin, and the cooling tank connects the sewage outlet of boiler body by pipeline, and the acidic and alkaline waste water regulating reservoir passes through Pipeline connects the acid discharge alkali waste water mouth of denitration part and disengagement section, and the water outlet of the sedimentation basin is connected to boiler master by pipeline The moisturizing pipeline of the flushing cinder pipeline and atomizing spray layer of body.
8. a kind of technological process of Industrial Boiler flue gas multiple pollutant Collaborative Control technology, it is characterised in that:Include the following steps:
(1) coal storage powder process:Using the coal dust vehicle with hermetically sealed can by pulverized coal conveying to pulverized coal bin, pass through coal dust intake pipeline Coal dust in hermetically sealed can is stored into pulverized coal bin, realizes the dustless storage of unloading of coal dust;
(2) defeated coal dust process:Under the action of defeated powder wind turbine, the coal dust in pulverized coal bin is delivered to by coal dust feed-line In secondary powder cabin;
(3) burning process:The coal dust of secondary powder cabin is connected under the auxiliary of roots blower by the burner hearth cavity with boiler body The pipeline connect enters burner hearth, and passes through the cooperation through air preheater treated air so that stove of the coal dust in boiler body Good combustion in thorax, the clinker generated after coal dust firing is gone out by flushing cinder pipeline, to realize the deslagging of boiler body;
(4) exhaust-gas treatment process:The flue gas generated in above-mentioned burning process passes through denitration process, dust removal process and desulfurization successively The purification technique to flue gas is completed in processing;
(5) wastewater treatment process:The sewage of the sewage outlet discharge of boiler body enters sedimentation basin after cooling tank cools down, together When, sewage that above-mentioned exhaust-gas treatment process generates also is discharged into sedimentation basin after acidic and alkaline waste water regulating reservoir adjusts pH value, in sedimentation basin Waste water after precipitation is clarified for the circular water replenishing in the flushing cinder and exhaust-gas treatment process of boiler body in above-mentioned burning process It uses;
(6) Solid state fermentation process:It is generated after dust removal process in the waste residue and exhaust-gas treatment process that are discharged in above-mentioned burning process Dust stratification collect transhipment centralized processing.
9. the technological process of Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 8, feature exist In:The exhaust-gas treatment process includes the following steps:
Step 1:Denitration process, in the burner hearth of boiler body while coal dust firing, SNCR denitration equipment injection pipe will be quiet in stove Ammonium hydroxide in state mixer is injected directly into burner hearth, and denitration in the stove processing is carried out with the flue gas generated to coal dust firing, meanwhile, in stove The ammonia that the excessive ammonia that the ammonia water spray main body of SNCR denitration equipment sprays into is overflowed after denitration in the stove reacts, with smoke discharging pipe In flue gas enter at the ammonia water spray main body of the outer SCR denitration equipment of stove and carry out the outer denitration process of stove, and in the catalysis of catalyst Under reduction, excessive ammonia and reaction of nitrogen oxides, to further decrease the nitrous oxides concentration in flue gas;
Step 2:Waste heat recovery processing, in above-mentioned steps 1, after completing the outer denitration process of stove, high-temperature flue gas carries out cigarette through economizer The absorption of heat in gas saves the energy to reduce exhaust gas temperature;
Step 3:Dust removal process, through step 2, treated that flue gas enters dust removal part, and the larger particles dust in flue gas is directly fallen Enter in ash bucket, smaller particle dust penetrates the flue gas of filter bag by the smoke discharging pipe on dust cleaning case then by choked flow in filter bag surface Discharge, realizes the dust separation of flue gas;
Step 4:Desulfurization process is entered by the flue gas of the smoke discharging pipe discharge on dust cleaning case from desulfurizing tower bottom of tower, by gas-liquid point Cloth device makes gas uniformly rise, and carries out flue gas desulfurization in three layers of atomizing spray layer, and is removed in flue gas by smoke washer Most flue gas is discharged by exhaust tube after two layers of demister removes the moisture in flue gas afterwards for the salinity of entrainment, entire to complete Exhaust-gas treatment process.
10. the technological process of Industrial Boiler flue gas multiple pollutant Collaborative Control technology according to claim 9, feature exist In:In the step 1 of the exhaust-gas treatment process, 20% ammonium hydroxide is extracted out directly from tank used for storing ammonia and is delivered to by ammonium hydroxide delivery pump In static mixer, while dilution water is provided to static mixer by dilution water pot, the ammonium hydroxide in static mixer is configured At the ammonia spirit of 5-10%, to be used for the ammonia water spray main body of SCR denitration equipment outside SNCR denitration equipment in stove and stove.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111715022A (en) * 2020-06-10 2020-09-29 杭州富丽达热电有限公司 Coal-fired flue gas purification method and system applying same
CN111804138A (en) * 2020-08-25 2020-10-23 焦作市华康糖醇科技有限公司 Biomass boiler flue gas denitration system and application process thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101422691A (en) * 2008-11-20 2009-05-06 武汉凯迪电力环保有限公司 Multi-pollutant removing technique and device of fuel coal smoke
CN103521022A (en) * 2013-10-12 2014-01-22 华北电力大学(保定) Smoke multi-pollutant removing apparatus
CN103691291A (en) * 2013-12-25 2014-04-02 华纺股份有限公司 Process for carrying out denitration on incineration flue gas generated by printing and dyeing sludge
CN104100964A (en) * 2014-07-16 2014-10-15 西安西热锅炉环保工程有限公司 Synergistic removal system and method for realizing ultra-low emission of multiple pollutants of smoke of thermal power plant
CN106352363A (en) * 2016-08-31 2017-01-25 吕宜德 Industrial boiler low-nitric-oxide combustion and environment protection system and technological method
CN206428107U (en) * 2017-01-23 2017-08-22 李才林 A kind of desulphurization denitration sewage-treatment plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101422691A (en) * 2008-11-20 2009-05-06 武汉凯迪电力环保有限公司 Multi-pollutant removing technique and device of fuel coal smoke
CN103521022A (en) * 2013-10-12 2014-01-22 华北电力大学(保定) Smoke multi-pollutant removing apparatus
CN103691291A (en) * 2013-12-25 2014-04-02 华纺股份有限公司 Process for carrying out denitration on incineration flue gas generated by printing and dyeing sludge
CN104100964A (en) * 2014-07-16 2014-10-15 西安西热锅炉环保工程有限公司 Synergistic removal system and method for realizing ultra-low emission of multiple pollutants of smoke of thermal power plant
CN106352363A (en) * 2016-08-31 2017-01-25 吕宜德 Industrial boiler low-nitric-oxide combustion and environment protection system and technological method
CN206428107U (en) * 2017-01-23 2017-08-22 李才林 A kind of desulphurization denitration sewage-treatment plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111715022A (en) * 2020-06-10 2020-09-29 杭州富丽达热电有限公司 Coal-fired flue gas purification method and system applying same
CN111804138A (en) * 2020-08-25 2020-10-23 焦作市华康糖醇科技有限公司 Biomass boiler flue gas denitration system and application process thereof

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