CN203507793U - Device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas - Google Patents
Device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas Download PDFInfo
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- CN203507793U CN203507793U CN201320699784.2U CN201320699784U CN203507793U CN 203507793 U CN203507793 U CN 203507793U CN 201320699784 U CN201320699784 U CN 201320699784U CN 203507793 U CN203507793 U CN 203507793U
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- reaction tower
- communicated
- coke oven
- flue gas
- nitrogen oxide
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 54
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000000571 coke Substances 0.000 title claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000003546 flue gas Substances 0.000 title abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 16
- 230000023556 desulfurization Effects 0.000 claims abstract description 15
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 54
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 34
- 239000007921 spray Substances 0.000 claims description 28
- 229910021529 ammonia Inorganic materials 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 24
- 239000002912 waste gas Substances 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 3
- 239000002250 absorbent Substances 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000000908 ammonium hydroxide Substances 0.000 abstract 4
- 238000005507 spraying Methods 0.000 abstract 3
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000004939 coking Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas. The device is provided with a reaction tower, wherein the lower part of the reaction tower is provided with a flue gas inlet communicated with coke oven flue gas; the reaction tower under the flue gas inlet is internally provided with an ammonium hydroxide slurry pond, the ammonium hydroxide slurry pond is communicated with an oxidation air blower and an air filter outside the reaction tower; the bottom slurry outlet of the slurry pond is connected with a ammonium salt discharge pump communicated with an ammonium salt recovery system; an ammonium hydroxide spraying desulfurization tube, an ozone spraying grid, an ammonium hydroxide spraying denitration tube and a demisting region are orderly arranged from bottom to top in the reaction tower above the flue gas inlet, and a flue gas outlet at the top end of the reaction tower is connected with a draught fan communicated with a chimney. The device can effectively improve the desulfurization and denitration efficiency of flue gas and the utilization rate of desulfurization and denitration absorbent, moreover, compared with a SCR(Selective Catalytic Reduction)/SNCR (selective non-catalytic reduction) denitration device frequently used in coal power plants, the device has low cost of construction, and the product of desulfurization and denitration is recyclable ammonium salt.
Description
Technical field:
The utility model relates to a kind of while and from coke oven flue waste gas, removes the device of sulfur dioxide and nitrogen oxide, belongs to coke oven air pollution control technique field.
Background technology:
Coke is a main by-product of coal conversion, is mainly used in blast furnace ironmaking, plays reducing agent, exothermic mixture and stock column skeleton function, is the important raw material of steel and iron industry.
Coke is that coal heats in carbonization chamber in coke furnace under the condition of isolated air, and the complex process of the variation of process series of physical and chemical reaction forms.The coke-stove gas producing in coke retort process contains the pollutants such as sulfur dioxide and nitrogen oxide, in follow-up use procedure, can produce new pollution.These sulfur dioxide and nitrogen oxide are the important composition compositions of PM2.5 particle, are also the main causes that forms acid rain, haze etc.Its mechanism of production is: the thermal source of carbonizing chamber is provided by a certain proportion of coke-stove gas and BF gas heating flue, and the waste gas that heating gas is produced is called coking furnace discharge gas; And in coal gas, contain a certain amount of H
2s sulfides, generates SO after burning
2, coal gas and air, when coke oven vertical flame path burns, generate nitrogen oxide NOx (having three kinds of temperature heating power type, hydrocarbon fuel Quick-type and nitrogen component fuel types).At present, the sulfur dioxide of China's coking furnace discharge gas and nitrogen oxide are not taked reduction of discharging measure, detect the SO that domestic existing coke oven discharges according to environmental administration
2mostly can not meet the < < coking chemistry emission of industrial pollutants standard > > of national up-to-date appearance with the concentration of NOx.And new < < standard > > rose on January 1st, 2015, to SO
2require higher with the concentration of emission of NOx.Therefore, the transformation of coke oven desulphurization denitration is urgent task of control atmosphere pollution, and the research to coking furnace discharge gas desulphurization denitration technology, has extremely profound significance.
Summary of the invention:
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of while from coke oven flue waste gas, to remove the device of sulfur dioxide and nitrogen oxide, adopt this device can effectively improve the desulphurization and denitration efficiency of flue gas and the utilization rate of desulphurization denitration absorbent, and it is cheap that this device is compared the conventional SCR/SNCR denitrification apparatus cost of thermal power plant, the ammonium salt that desulphurization denitration product is recoverable.
The utility model technical solution problem adopts following technical scheme:
While removes a device for sulfur dioxide and nitrogen oxide from coke oven flue waste gas, and reaction tower is set, and the bottom of described reaction tower is provided with the gas approach being communicated with coke oven flue waste gas;
In reaction tower below described gas approach, be provided with ammoniacal liquor slurry pool, described ammoniacal liquor slurry pool is communicated with oxidation fan, the air cleaner of reaction tower outside; The bottom grout outlet of described slurry pool is connected with ammonium salt excavationg pump and ammonium salt reclamation system connectivity;
In reaction tower above described gas approach, be provided with successively ammonia spray desulfurization pipe, spray ozone grid, ammonia spray denitration pipe from bottom to top and remove fog-zone, the exhanst gas outlet on reaction tower top is connected with air-introduced machine and is communicated with chimney.
The aqua ammonia pump that is externally connected to of described ammoniacal liquor slurry pool is communicated with ammoniacal liquor storage tank.
Described spray ozone grid is communicated with the ozone generator of reaction tower outside.
Respectively hang oneself pipeline, ammonia circulation pump of described ammonia spray desulfurization pipe, ammonia spray denitration pipe is communicated with described ammoniacal liquor slurry pool.
The described fog-zone of removing comprises the flooding nozzle of being located in reaction tower, and described flooding nozzle is communicated with mist eliminator flushing pump, the flush box of reaction tower outside; In reaction tower above described flooding nozzle, be provided with demister grid.
Described reaction tower outside is also provided with stirring system, comprises and is located at the mixing pump of reaction tower outside and is communicated with described mixing pump and the pipeline of described ammoniacal liquor slurry pool.
Stack gases in coke oven flue enters behind absorption tower, and first with ammoniacal liquor reacting generating salt and the part nitrate of desulfurization zone, in flue gas, remaining NO is through ozone inlet zone and ozone reaction generation NO
2.NO
2the mist that content accounts for NOx cumulative volume 50% all by ammonia absorption, is produced nitrate during through denitration district.Mixed solution is delivered to recovery system through ammonium salt excavationg pump, the flue gas after processing after demister demist by chimney discharged to atmosphere.Native system also can arrange multilayer ammonia spray reaction zone.It is oxidant that ammonium salt oxidization enrichment district adopts air, and ammonium nilrite and sulfite oxidation are generated to ammonium salt.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
The utlity model has small investment, energy consumption is low, the advantage that system is simple and reliable, operating cost is low, on-the-spot resource utilization is high, denitrification efficiency is high, desulfuration efficiency is more than 95%, denitration efficiency is more than 80%, and flue gas after treatment meets national coking chemistry emission of industrial pollutants standard completely.
Accessory substance ammonium sulfate, ammonium nitrate can be used as production marketing, and the simple floor space of system architecture is little, and have higher reliability, and system availability can reach more than 98%; Whole system non-wastewater discharge.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Number in the figure: 1, ozone generator, 2, reaction tower, 3, gas approach, 4, aqua ammonia pump, 5, ammonium salt excavationg pump, 6, ammoniacal liquor storage tank, 7, mixing pump, 8, ammonia circulation pump, 9, ammonia spray desulfurization pipe, 10, flush box, 11, mist eliminator flushing pump, 12, ammonia spray denitration pipe, 13, flooding nozzle, 14, demister grid, 15, exhanst gas outlet, 16 spray ozone grids, 17, oxidation fan, 18, air cleaner, 19, air-introduced machine, 20 ammoniacal liquor slurry pools.
Below pass through the specific embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The specific embodiment:
Embodiment: remove the device of sulfur dioxide and nitrogen oxide in the time of the present embodiment from coke oven flue waste gas, be provided with the gas approach 3 being communicated with coke oven flue waste gas in the bottom of reaction tower 2; In reaction tower below gas approach, be provided with ammoniacal liquor slurry pool 20, this ammoniacal liquor slurry pool is communicated with oxidation fan 17, the air cleaner 18 of reaction tower outside successively; In the bottom of slurry pool, grout outlet is connected with ammonium salt excavationg pump 5, excavationg pump and pipe-line system and ammonium salt reclamation system connectivity.
In reaction tower above gas approach, be provided with successively ammonia spray desulfurization pipe 9, spray ozone grid 16, ammonia spray denitration pipe 12 from bottom to top and remove fog-zone, the exhanst gas outlet 15 on reaction tower top is connected with air-introduced machine 19 and is communicated with chimney.
In specifically arranging, except fog-zone comprises the flooding nozzle 13 of being located in reaction tower, flooding nozzle is communicated with mist eliminator flushing pump 11, the flush box 10 of reaction tower outside; In reaction tower above flooding nozzle 13, be provided with demister grid 14.
The aqua ammonia pump 4 that is externally connected to of ammoniacal liquor slurry pool 20 is communicated with ammoniacal liquor storage tank 6, and the tank used for storing ammonia in the ammoniacal liquor storage tank 6 existing cyclic ammonia water systems in Ke You coke-oven plant provides.
Respectively hang oneself pipeline, ammonia circulation pump 8 of ammonia spray desulfurization pipe 9, ammonia spray denitration pipe 12 is communicated with ammoniacal liquor slurry pool 20, and in slurry pool, ammonia circulation is used.In reaction tower outside, be also provided with stirring system, comprise and be located at the mixing pump 7 of reaction tower outside and the pipeline that is communicated with mixing pump and ammoniacal liquor slurry pool.
Adopt said apparatus, the subtractive process of coke oven flue SO 2 in waste gas, nitrogen oxide is as follows:
NO+O
3→NO
2
2NH
3+SO
2+H
2O→(NH)
2SO
3
2(NH
4)SO
3+O
2→(NH
4)
2SO
4
2NH
3+NO+NO
2+H
2O→2NH
4NO
2
NH
4NO
2+O
2→2NH
4NO
3
In work, coke oven flue waste gas enters desulfurization and denitrification reaction tower 2 from reaction tower gas approach 3, and flue gas enters O after the cyclic ammonia water washing of ammonia spray desulfurization pipe 9 sprays
3/ NOx mixed zone, makes NO
2account for 50% left and right of NOx cumulative volume, the ozone that ozone grid 16 sprays is produced by ozone generator 1, and the ammoniacal liquor that ammonia spray desulfurization pipe 9 and ammonia spray denitration pipe 12 spray is provided from 20 suctions of ammoniacal liquor slurry pool by ammonia circulation pump 8.Reacted clean air after 14 demists of demister grid to exhanst gas outlet 15, through air-introduced machine 19 discharged to atmosphere.Wherein except fog-zone comprises flush box 10, mist eliminator flushing pump 11, mist eliminator flushing nozzle 13 and demister grid 14.Reaction tower 3 bottoms are ammonium salt oxidization enrichment district, and this outside, slurries district is established by aqua ammonia pump 4 and connected ammoniacal liquor storage tank 6.The grout outlet of the bottom of slurry pool connects ammonium salt reclamation system, and ammonium salt drains into ammonium salt reclamation system by ammonium salt excavationg pump 5 by ammonium salt.Reaction tower 3 bottoms connect oxidation fan 17 and air cleaners 18, oxidation fan 1) and air cleaner 18 formed accessory substance oxidative system.Tank used for storing ammonia in the ammoniacal liquor storage tank 6 existing cyclic ammonia water systems in Ke You coke-oven plant provides.
Claims (6)
1. the while removes a device for sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that:
Reaction tower (2) is set, and the bottom of described reaction tower (2) is provided with the gas approach (3) being communicated with coke oven flue waste gas;
In reaction tower below described gas approach, be provided with ammoniacal liquor slurry pool (20), described ammoniacal liquor slurry pool is communicated with oxidation fan (17), the air cleaner (18) of reaction tower outside; The bottom grout outlet of described slurry pool is connected with ammonium salt excavationg pump (5) and ammonium salt reclamation system connectivity;
In reaction tower above described gas approach, be provided with successively ammonia spray desulfurization pipe (9), spray ozone grid (16), ammonia spray denitration pipe (12) from bottom to top and remove fog-zone, the exhanst gas outlet on reaction tower top (15) is connected with air-introduced machine (19) and is communicated with chimney.
2. a kind of while according to claim 1 removes the device of sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that, the aqua ammonia pump (4) that is externally connected to of described ammoniacal liquor slurry pool (20) is communicated with ammoniacal liquor storage tank (6).
3. a kind of while according to claim 1 removes the device of sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that, described spray ozone grid (16) is communicated with the ozone generator (1) of reaction tower outside.
4. a kind of while according to claim 1 removes the device of sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that, respectively hang oneself pipeline, ammonia circulation pump (8) of described ammonia spray desulfurization pipe (9), ammonia spray denitration pipe (12) is communicated with described ammoniacal liquor slurry pool (20).
5. a kind of while according to claim 1 removes the device of sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that, the described fog-zone of removing comprises the flooding nozzle (13) of being located in reaction tower, and described flooding nozzle is communicated with mist eliminator flushing pump (11), the flush box (10) of reaction tower outside; In the reaction tower of described flooding nozzle (13) top, be provided with demister grid (14).
6. a kind of while according to claim 1 removes the device of sulfur dioxide and nitrogen oxide from coke oven flue waste gas, it is characterized in that, described reaction tower outside is also provided with stirring system, comprises and is located at the mixing pump (7) of reaction tower outside and is communicated with described mixing pump and the pipeline of described ammoniacal liquor slurry pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699784.2U CN203507793U (en) | 2013-11-06 | 2013-11-06 | Device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699784.2U CN203507793U (en) | 2013-11-06 | 2013-11-06 | Device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN203507793U true CN203507793U (en) | 2014-04-02 |
Family
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|---|---|---|---|
| CN201320699784.2U Expired - Lifetime CN203507793U (en) | 2013-11-06 | 2013-11-06 | Device for simultaneously removing sulfur dioxide and nitrogen oxide from coke oven flue gas |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014229A (en) * | 2014-06-20 | 2014-09-03 | 北京中冶隆生环保科技发展有限公司 | Device for simultaneously desulfurizing and denitrating smoke gas through multi-stage turbocharging turbulence wet process and application method |
| CN104524935A (en) * | 2014-11-28 | 2015-04-22 | 浙江工商大学 | Single-tower type double-circulation sprinkling composite absorption device and method |
| CN104772013A (en) * | 2015-03-31 | 2015-07-15 | 刘艳 | Method and device for stage purification waste gas with use of ozone |
| CN104857834A (en) * | 2015-06-05 | 2015-08-26 | 北京中晶佳镁环境科技股份有限公司 | Fume denitration device and method based on ozone |
| CN104923044A (en) * | 2015-06-05 | 2015-09-23 | 北京中晶佳镁环境科技股份有限公司 | Ozone-based flue gas treatment system and method |
| CN104941430A (en) * | 2015-06-05 | 2015-09-30 | 北京中晶佳镁环境科技股份有限公司 | Flue gas denitration device and method |
| CN104941414A (en) * | 2015-06-05 | 2015-09-30 | 北京中晶佳镁环境科技股份有限公司 | Ozone-based smoke gas treatment device and method |
| CN104959010A (en) * | 2015-06-05 | 2015-10-07 | 北京中晶佳镁环境科技股份有限公司 | Desulphurization and denitration apparatus and method based on ozone |
| CN104959013A (en) * | 2015-06-05 | 2015-10-07 | 北京中晶佳镁环境科技股份有限公司 | Dedusting flue gas treating apparatus and method |
| CN105413433A (en) * | 2015-12-24 | 2016-03-23 | 齐琏发 | System for treating coke oven exhausted contaminants |
| CN105833693A (en) * | 2016-06-07 | 2016-08-10 | 南通天蓝环保能源成套设备有限公司 | Device for serial desulfurization and denitrification with limestone-gypsum process and SCR (selective catalytic reduction) process |
| CN105833686A (en) * | 2016-03-23 | 2016-08-10 | 凯天环保科技股份有限公司 | Fume nitrogen and sulfur resource utilization method and device thereof |
| CN106693660A (en) * | 2017-03-03 | 2017-05-24 | 安徽欣创节能环保科技股份有限公司 | Low-temperature flue gas desulfurization and denitrification device |
| CN107308812A (en) * | 2017-08-03 | 2017-11-03 | 北京长信太和节能科技有限公司 | The system and method for low temperature organic catalysis oxidizing and denitrating ozone |
| CN111270031A (en) * | 2019-04-28 | 2020-06-12 | 北京中北欧瑞智工程技术有限公司 | Blast furnace diffuses raw coke oven gas purifier |
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- 2013-11-06 CN CN201320699784.2U patent/CN203507793U/en not_active Expired - Lifetime
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| CN104014229A (en) * | 2014-06-20 | 2014-09-03 | 北京中冶隆生环保科技发展有限公司 | Device for simultaneously desulfurizing and denitrating smoke gas through multi-stage turbocharging turbulence wet process and application method |
| CN104524935A (en) * | 2014-11-28 | 2015-04-22 | 浙江工商大学 | Single-tower type double-circulation sprinkling composite absorption device and method |
| CN104772013A (en) * | 2015-03-31 | 2015-07-15 | 刘艳 | Method and device for stage purification waste gas with use of ozone |
| CN104772013B (en) * | 2015-03-31 | 2017-07-28 | 刘艳 | A kind of method and device that purifies waste gas stage by stage of utilization ozone |
| CN104959013A (en) * | 2015-06-05 | 2015-10-07 | 北京中晶佳镁环境科技股份有限公司 | Dedusting flue gas treating apparatus and method |
| CN104941430A (en) * | 2015-06-05 | 2015-09-30 | 北京中晶佳镁环境科技股份有限公司 | Flue gas denitration device and method |
| CN104941414A (en) * | 2015-06-05 | 2015-09-30 | 北京中晶佳镁环境科技股份有限公司 | Ozone-based smoke gas treatment device and method |
| CN104959010A (en) * | 2015-06-05 | 2015-10-07 | 北京中晶佳镁环境科技股份有限公司 | Desulphurization and denitration apparatus and method based on ozone |
| CN104923044A (en) * | 2015-06-05 | 2015-09-23 | 北京中晶佳镁环境科技股份有限公司 | Ozone-based flue gas treatment system and method |
| CN104857834B (en) * | 2015-06-05 | 2017-03-08 | 北京中晶环境科技股份有限公司 | Equipment for denitrifying flue gas based on ozone and method |
| CN104857834A (en) * | 2015-06-05 | 2015-08-26 | 北京中晶佳镁环境科技股份有限公司 | Fume denitration device and method based on ozone |
| CN105413433A (en) * | 2015-12-24 | 2016-03-23 | 齐琏发 | System for treating coke oven exhausted contaminants |
| CN105833686A (en) * | 2016-03-23 | 2016-08-10 | 凯天环保科技股份有限公司 | Fume nitrogen and sulfur resource utilization method and device thereof |
| CN105833693A (en) * | 2016-06-07 | 2016-08-10 | 南通天蓝环保能源成套设备有限公司 | Device for serial desulfurization and denitrification with limestone-gypsum process and SCR (selective catalytic reduction) process |
| CN106693660A (en) * | 2017-03-03 | 2017-05-24 | 安徽欣创节能环保科技股份有限公司 | Low-temperature flue gas desulfurization and denitrification device |
| CN107308812A (en) * | 2017-08-03 | 2017-11-03 | 北京长信太和节能科技有限公司 | The system and method for low temperature organic catalysis oxidizing and denitrating ozone |
| CN111270031A (en) * | 2019-04-28 | 2020-06-12 | 北京中北欧瑞智工程技术有限公司 | Blast furnace diffuses raw coke oven gas purifier |
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