CN106345298B - A kind of SCR denitration device, its spray ammonia regulating device and its spray ammonia method of adjustment - Google Patents
A kind of SCR denitration device, its spray ammonia regulating device and its spray ammonia method of adjustment Download PDFInfo
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- CN106345298B CN106345298B CN201610899397.1A CN201610899397A CN106345298B CN 106345298 B CN106345298 B CN 106345298B CN 201610899397 A CN201610899397 A CN 201610899397A CN 106345298 B CN106345298 B CN 106345298B
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- spray ammonia
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 434
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 217
- 239000007921 spray Substances 0.000 title claims abstract description 193
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims description 109
- 238000012806 monitoring device Methods 0.000 claims description 21
- 239000000779 smoke Substances 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 241001314440 Triphora trianthophoros Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000004575 stone Substances 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- 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)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610899397.1A CN106345298B (en) | 2016-10-14 | 2016-10-14 | A kind of SCR denitration device, its spray ammonia regulating device and its spray ammonia method of adjustment |
Applications Claiming Priority (1)
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CN201610899397.1A CN106345298B (en) | 2016-10-14 | 2016-10-14 | A kind of SCR denitration device, its spray ammonia regulating device and its spray ammonia method of adjustment |
Publications (2)
Publication Number | Publication Date |
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CN106345298A CN106345298A (en) | 2017-01-25 |
CN106345298B true CN106345298B (en) | 2019-03-29 |
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CN201610899397.1A Active CN106345298B (en) | 2016-10-14 | 2016-10-14 | A kind of SCR denitration device, its spray ammonia regulating device and its spray ammonia method of adjustment |
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CN (1) | CN106345298B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108380043B (en) * | 2018-02-12 | 2020-08-14 | 南京博沃科技发展有限公司 | Selective ammonia injection regulation control method for SCR (Selective catalytic reduction) denitration device |
CN108344604A (en) * | 2018-04-11 | 2018-07-31 | 华南理工大学 | A kind of SCR reative cells NOXThe online data-logger of concentration and control method |
CN108664006A (en) * | 2018-07-02 | 2018-10-16 | 大唐环境产业集团股份有限公司 | It is a kind of that ammonia optimization method and system are intelligently sprayed based on the SCR denitration of zonal control and Dynamic matrix control |
CN109603525B (en) * | 2018-12-27 | 2023-11-03 | 浙江浙能温州发电有限公司 | Denitration partition ammonia spraying control method based on non-uniformity judgment |
CN110568129B (en) * | 2019-09-26 | 2024-03-12 | 国能龙源环保有限公司 | SCR denitration outlet mixing and zoning flue gas NOx concentration detection system and method thereof |
CN110960983A (en) * | 2019-10-24 | 2020-04-07 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Grid method optimization partition control method and denitration ammonia injection subsystem obtained through partition |
CN110694475B (en) * | 2019-11-04 | 2023-09-05 | 中国华电科工集团有限公司 | Accurate ammonia spraying device and method for denitration SCR reactor of thermal power plant |
CN110967452B (en) * | 2019-12-23 | 2021-03-12 | 北京国电龙源环保工程有限公司 | Layout method of gas measurement system |
CN111044689A (en) * | 2020-01-13 | 2020-04-21 | 南京科远智慧科技集团股份有限公司 | Monitoring system and method for synchronously sampling and asynchronously analyzing smoke parameter distribution |
CN112717670A (en) * | 2020-12-18 | 2021-04-30 | 华能陇东能源有限责任公司 | Control device and control method for ammonia injection grid of denitration system |
CN114259855A (en) * | 2021-12-27 | 2022-04-01 | 国能神皖安庆发电有限责任公司 | Denitration system and control method thereof |
CN115144231B (en) * | 2022-06-21 | 2023-04-07 | 浙江兴核智拓科技有限公司 | Urea direct injection partition measurement and control system suitable for denitration device of gas turbine waste heat boiler |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10216475A (en) * | 1997-02-06 | 1998-08-18 | Babcock Hitachi Kk | Ammonia injection device |
CN103480254A (en) * | 2013-08-12 | 2014-01-01 | 北京博智伟德环保科技有限公司 | Anti-blocking ammonia spraying grid for SCR (Selective Catalytic Reduction) denitration system |
CN104792581A (en) * | 2015-05-06 | 2015-07-22 | 国家电网公司 | Sampling device for smoke discharge gas |
CN204799107U (en) * | 2015-07-06 | 2015-11-25 | 北京峰业电力环保工程有限公司 | A ammonia injection grid for industry flue gas selective catalytic reduction denitrification facility |
CN105675820A (en) * | 2016-02-04 | 2016-06-15 | 大唐环境产业集团股份有限公司 | Flue gas composition measurement method and system |
CN105983302A (en) * | 2016-05-31 | 2016-10-05 | 邢红涛 | Component detection and ammonia spraying control system of SCR denitrification process |
-
2016
- 2016-10-14 CN CN201610899397.1A patent/CN106345298B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10216475A (en) * | 1997-02-06 | 1998-08-18 | Babcock Hitachi Kk | Ammonia injection device |
CN103480254A (en) * | 2013-08-12 | 2014-01-01 | 北京博智伟德环保科技有限公司 | Anti-blocking ammonia spraying grid for SCR (Selective Catalytic Reduction) denitration system |
CN104792581A (en) * | 2015-05-06 | 2015-07-22 | 国家电网公司 | Sampling device for smoke discharge gas |
CN204799107U (en) * | 2015-07-06 | 2015-11-25 | 北京峰业电力环保工程有限公司 | A ammonia injection grid for industry flue gas selective catalytic reduction denitrification facility |
CN105675820A (en) * | 2016-02-04 | 2016-06-15 | 大唐环境产业集团股份有限公司 | Flue gas composition measurement method and system |
CN105983302A (en) * | 2016-05-31 | 2016-10-05 | 邢红涛 | Component detection and ammonia spraying control system of SCR denitrification process |
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Publication number | Publication date |
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CN106345298A (en) | 2017-01-25 |
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Effective date of registration: 20211206 Address after: 323908 No. 6, Xu'an Industrial Zone, Gaohu Town, Qingtian County, Lishui City, Zhejiang Province Patentee after: Zhejiang Xinghe Intelligent Control Technology Co.,Ltd. Address before: 210036 room 105, building 3, 150 Fenghuang West Street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING BOWO SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD. |
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Denomination of invention: A SCR denitrification device, its ammonia injection adjustment device, and its ammonia injection adjustment method Effective date of registration: 20231205 Granted publication date: 20190329 Pledgee: Zhejiang Qingtian Rural Commercial Bank Co.,Ltd. Gaohu Branch Pledgor: Zhejiang Xinghe Intelligent Control Technology Co.,Ltd. Registration number: Y2023980069268 |
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