CN106540544A - 一种烟气脱硝反应系统 - Google Patents
一种烟气脱硝反应系统 Download PDFInfo
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- CN106540544A CN106540544A CN201710041519.8A CN201710041519A CN106540544A CN 106540544 A CN106540544 A CN 106540544A CN 201710041519 A CN201710041519 A CN 201710041519A CN 106540544 A CN106540544 A CN 106540544A
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- Prior art keywords
- ammonia
- catalyst
- flue gas
- grid
- spraying
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- 239000003546 flue gas Substances 0.000 title claims abstract description 56
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 230000004044 response Effects 0.000 title claims abstract description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000003054 catalyst Substances 0.000 claims abstract description 101
- 238000005507 spraying Methods 0.000 claims abstract description 94
- 238000006243 chemical reaction Methods 0.000 claims abstract description 78
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 66
- 239000007789 gas Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000012041 precatalyst Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/903—Multi-zoned catalysts
- B01D2255/9032—Two zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710041519.8A CN106540544A (zh) | 2017-01-20 | 2017-01-20 | 一种烟气脱硝反应系统 |
Applications Claiming Priority (1)
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CN201710041519.8A CN106540544A (zh) | 2017-01-20 | 2017-01-20 | 一种烟气脱硝反应系统 |
Publications (1)
Publication Number | Publication Date |
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CN106540544A true CN106540544A (zh) | 2017-03-29 |
Family
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Family Applications (1)
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CN201710041519.8A Pending CN106540544A (zh) | 2017-01-20 | 2017-01-20 | 一种烟气脱硝反应系统 |
Country Status (1)
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CN (1) | CN106540544A (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107008144A (zh) * | 2017-05-23 | 2017-08-04 | 国电科学技术研究院 | 一种实现scr烟气脱硝多级喷氨的装置及烟气脱硝方法 |
CN107349786A (zh) * | 2017-07-06 | 2017-11-17 | 大唐东北电力试验研究所有限公司 | 选择性催化还原脱硝装置及其喷氨优化方法 |
CN107694305A (zh) * | 2017-09-19 | 2018-02-16 | 华电电力科学研究院 | 一种双级反应器串联的scr脱硝系统及其工作方法 |
CN110585921A (zh) * | 2019-07-25 | 2019-12-20 | 大唐东北电力试验研究院有限公司 | 一种双喷氨格栅选择催化还原脱硝装置及其喷氨优化方法 |
CN113101805A (zh) * | 2021-04-09 | 2021-07-13 | 西安热工研究院有限公司 | 一种主动强制式scr烟气均流系统 |
CN113144896A (zh) * | 2021-01-26 | 2021-07-23 | 成都易态科技有限公司 | 烟气除尘脱硝装置 |
CN116139695A (zh) * | 2023-04-21 | 2023-05-23 | 北京北科欧远科技有限公司 | 脱硝反应器及其安装方法和喷氨脱硝方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07265666A (ja) * | 1994-03-30 | 1995-10-17 | Mitsubishi Heavy Ind Ltd | 高温脱硝装置 |
JPH07328389A (ja) * | 1994-06-03 | 1995-12-19 | Babcock Hitachi Kk | 脱硝装置のアンモニア注入量制御方法および装置 |
JPH11137967A (ja) * | 1997-11-13 | 1999-05-25 | Hitachi Zosen Corp | 排煙脱硝方法 |
US20140010748A1 (en) * | 2010-11-09 | 2014-01-09 | Geesco Co., Ltd. | SYSTEM USING SELECTIVE CATALYTIC REDUCTION FOR IMPROVING LOW-TEMPERATURE De-NOx EFFICIENCY AND REDUCING YELLOW PLUME |
CN205627635U (zh) * | 2016-04-29 | 2016-10-12 | 大唐环境产业集团股份有限公司 | 一种用于scr脱硝的双室两级喷氨反应器 |
CN106166444A (zh) * | 2016-08-29 | 2016-11-30 | 华电电力科学研究院 | 一种分级喷氨烟气脱硝装置及方法 |
CN206414978U (zh) * | 2017-01-20 | 2017-08-18 | 国网河南省电力公司电力科学研究院 | 一种烟气脱硝反应系统 |
-
2017
- 2017-01-20 CN CN201710041519.8A patent/CN106540544A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07265666A (ja) * | 1994-03-30 | 1995-10-17 | Mitsubishi Heavy Ind Ltd | 高温脱硝装置 |
JPH07328389A (ja) * | 1994-06-03 | 1995-12-19 | Babcock Hitachi Kk | 脱硝装置のアンモニア注入量制御方法および装置 |
JPH11137967A (ja) * | 1997-11-13 | 1999-05-25 | Hitachi Zosen Corp | 排煙脱硝方法 |
US20140010748A1 (en) * | 2010-11-09 | 2014-01-09 | Geesco Co., Ltd. | SYSTEM USING SELECTIVE CATALYTIC REDUCTION FOR IMPROVING LOW-TEMPERATURE De-NOx EFFICIENCY AND REDUCING YELLOW PLUME |
CN205627635U (zh) * | 2016-04-29 | 2016-10-12 | 大唐环境产业集团股份有限公司 | 一种用于scr脱硝的双室两级喷氨反应器 |
CN106166444A (zh) * | 2016-08-29 | 2016-11-30 | 华电电力科学研究院 | 一种分级喷氨烟气脱硝装置及方法 |
CN206414978U (zh) * | 2017-01-20 | 2017-08-18 | 国网河南省电力公司电力科学研究院 | 一种烟气脱硝反应系统 |
Non-Patent Citations (1)
Title |
---|
李凯等著: "《化工行业大气污染控制》", 冶金工业出版社, pages: 112 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107008144A (zh) * | 2017-05-23 | 2017-08-04 | 国电科学技术研究院 | 一种实现scr烟气脱硝多级喷氨的装置及烟气脱硝方法 |
CN107349786A (zh) * | 2017-07-06 | 2017-11-17 | 大唐东北电力试验研究所有限公司 | 选择性催化还原脱硝装置及其喷氨优化方法 |
CN107694305A (zh) * | 2017-09-19 | 2018-02-16 | 华电电力科学研究院 | 一种双级反应器串联的scr脱硝系统及其工作方法 |
CN110585921A (zh) * | 2019-07-25 | 2019-12-20 | 大唐东北电力试验研究院有限公司 | 一种双喷氨格栅选择催化还原脱硝装置及其喷氨优化方法 |
CN110585921B (zh) * | 2019-07-25 | 2021-11-26 | 大唐东北电力试验研究院有限公司 | 一种双喷氨格栅选择催化还原脱硝装置及其喷氨优化方法 |
CN113144896A (zh) * | 2021-01-26 | 2021-07-23 | 成都易态科技有限公司 | 烟气除尘脱硝装置 |
CN113101805A (zh) * | 2021-04-09 | 2021-07-13 | 西安热工研究院有限公司 | 一种主动强制式scr烟气均流系统 |
CN116139695A (zh) * | 2023-04-21 | 2023-05-23 | 北京北科欧远科技有限公司 | 脱硝反应器及其安装方法和喷氨脱硝方法 |
CN116139695B (zh) * | 2023-04-21 | 2023-08-25 | 北京北科欧远科技有限公司 | 脱硝反应器及其安装方法和喷氨脱硝方法 |
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Address after: 450052 No. 85 South Songshan Road, Henan, Zhengzhou Applicant after: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Applicant after: Henan jiuyu enpai Power Technology Co.,Ltd. Applicant after: State Grid Corporation of China Address before: 450052 No. 85 South Songshan Road, 27 District, Henan, Zhengzhou Applicant before: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Applicant before: HENAN ENPAI HIGH-TECH GROUP Co.,Ltd. Applicant before: State Grid Corporation of China |
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Application publication date: 20170329 |