CN108380043B - 一种scr脱硝装置分区喷氨调节控制方法 - Google Patents
一种scr脱硝装置分区喷氨调节控制方法 Download PDFInfo
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- CN108380043B CN108380043B CN201810146615.3A CN201810146615A CN108380043B CN 108380043 B CN108380043 B CN 108380043B CN 201810146615 A CN201810146615 A CN 201810146615A CN 108380043 B CN108380043 B CN 108380043B
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- ammonia
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- scr denitration
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 335
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 166
- 238000002347 injection Methods 0.000 title claims abstract description 72
- 239000007924 injection Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 29
- 230000001276 controlling effect Effects 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 9
- 239000000428 dust Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013316 zoning Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical group [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- 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
-
- 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
- B01D53/8696—Controlling the catalytic process
-
- 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
- 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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
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CN201810146615.3A CN108380043B (zh) | 2018-02-12 | 2018-02-12 | 一种scr脱硝装置分区喷氨调节控制方法 |
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CN201810146615.3A CN108380043B (zh) | 2018-02-12 | 2018-02-12 | 一种scr脱硝装置分区喷氨调节控制方法 |
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CN108380043A CN108380043A (zh) | 2018-08-10 |
CN108380043B true CN108380043B (zh) | 2020-08-14 |
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Families Citing this family (13)
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CN109055733B (zh) * | 2018-10-29 | 2020-02-14 | 中冶长天国际工程有限责任公司 | 一种链篦机-回转窑NOx脱除方法、装置及系统 |
CN109529614A (zh) * | 2018-12-28 | 2019-03-29 | 西安西热锅炉环保工程有限公司 | 一种NOx分区巡测动态喷氨均衡控制系统及方法 |
CN110141964B (zh) * | 2019-06-18 | 2022-10-04 | 浙江千尧环境工程有限公司 | 用于脱硫脱硝系统的喷氨系统及喷氨方法 |
EP4042346A4 (en) * | 2019-10-09 | 2023-11-15 | Tata Consultancy Services Limited | METHOD AND SYSTEM FOR REAL-TIME MONITORING AND PREDICTION OF THE GROWTH OF AN AIR PREHEATER SYSTEM |
CN110694475B (zh) * | 2019-11-04 | 2023-09-05 | 中国华电科工集团有限公司 | 一种火力发电厂脱硝scr反应器精准喷氨装置及方法 |
CN111426796B (zh) * | 2019-12-23 | 2021-06-15 | 国能龙源环保有限公司 | 一种利用气体测量系统的检测方法 |
CN110967455B (zh) * | 2019-12-23 | 2021-03-12 | 北京国电龙源环保工程有限公司 | 一种利用气体测量、控制系统及在脱硝烟气检测中的应用 |
CN111359432B (zh) * | 2020-04-15 | 2023-09-08 | 浙江浙能温州发电有限公司 | 一种基于NOx质量流量差分布的可实现灵活分区的脱硝喷氨系统及方法 |
CN112221347A (zh) * | 2020-08-11 | 2021-01-15 | 华电电力科学研究院有限公司 | 一种scr脱硝系统精准喷氨控制方法 |
CN112717670A (zh) * | 2020-12-18 | 2021-04-30 | 华能陇东能源有限责任公司 | 一种脱硝系统喷氨格栅的控制装置及控制方法 |
CN114259855A (zh) * | 2021-12-27 | 2022-04-01 | 国能神皖安庆发电有限责任公司 | 脱硝系统及其控制方法 |
CN114870627B (zh) * | 2022-05-30 | 2023-08-01 | 西安热工研究院有限公司 | 一种燃煤电厂scr脱硝分区精准喷氨控制方法及系统 |
CN115144231B (zh) * | 2022-06-21 | 2023-04-07 | 浙江兴核智拓科技有限公司 | 一种适用于燃机余热锅炉脱硝装置的尿素直喷分区测控系统 |
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CN105597537A (zh) * | 2015-10-26 | 2016-05-25 | 烟台龙源电力技术股份有限公司 | 基于预测控制技术的脱硝控制方法及脱硝系统 |
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JP3727128B2 (ja) * | 1997-02-06 | 2005-12-14 | バブコック日立株式会社 | アンモニア注入装置 |
CN102654776B (zh) * | 2012-04-16 | 2014-04-09 | 北京华能新锐控制技术有限公司 | 烟气脱硝的喷氨量控制方法和装置 |
CN104226110B (zh) * | 2014-10-09 | 2017-05-24 | 河南合众电力技术有限公司 | 一种燃煤锅炉scr脱硝控制方法与控制系统 |
CN105797576B (zh) * | 2016-04-15 | 2019-12-27 | 中国大唐集团科学技术研究院有限公司西北分公司 | 一种燃煤机组脱硝喷氨控制方法 |
CN106345298B (zh) * | 2016-10-14 | 2019-03-29 | 南京博沃科技发展有限公司 | 一种scr脱硝装置、其喷氨调节装置及其喷氨调整方法 |
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CN105597537A (zh) * | 2015-10-26 | 2016-05-25 | 烟台龙源电力技术股份有限公司 | 基于预测控制技术的脱硝控制方法及脱硝系统 |
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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: 210000 room 105, building 03, No. 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 Control Method for Divisional Ammonia Spray in SCR Denitration Equipment Effective date of registration: 20231205 Granted publication date: 20200814 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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