CN110568129B - 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 - Google Patents
一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 Download PDFInfo
- Publication number
- CN110568129B CN110568129B CN201910922719.3A CN201910922719A CN110568129B CN 110568129 B CN110568129 B CN 110568129B CN 201910922719 A CN201910922719 A CN 201910922719A CN 110568129 B CN110568129 B CN 110568129B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- nox concentration
- mixed
- mixed flue
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 287
- 239000003546 flue gas Substances 0.000 title claims abstract description 287
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000002156 mixing Methods 0.000 title description 4
- 238000013316 zoning Methods 0.000 title description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 170
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 87
- 238000005259 measurement Methods 0.000 claims abstract description 61
- 238000005192 partition Methods 0.000 claims abstract description 55
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 claims abstract description 31
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims description 39
- 238000011217 control strategy Methods 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 35
- 239000000203 mixture Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 241001522296 Erithacus rubecula Species 0.000 description 5
- 238000003672 processing method Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007921 spray 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
- B01D53/8621—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
- B01D53/90—Injecting reactants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910922719.3A CN110568129B (zh) | 2019-09-26 | 2019-09-26 | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910922719.3A CN110568129B (zh) | 2019-09-26 | 2019-09-26 | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110568129A CN110568129A (zh) | 2019-12-13 |
CN110568129B true CN110568129B (zh) | 2024-03-12 |
Family
ID=68782788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910922719.3A Active CN110568129B (zh) | 2019-09-26 | 2019-09-26 | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110568129B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110967452B (zh) * | 2019-12-23 | 2021-03-12 | 北京国电龙源环保工程有限公司 | 一种气体测量系统的布设方法 |
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 |
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 |
CN113203827B (zh) * | 2020-03-03 | 2023-09-29 | 大唐环境产业集团股份有限公司 | 一种多路抽样混合搅拌测量NOx的方法及装置 |
CN111880504A (zh) * | 2020-08-17 | 2020-11-03 | 大唐环境产业集团股份有限公司 | 一种智能的动态分区喷氨控制方法和系统 |
CN117379944B (zh) * | 2023-10-16 | 2024-06-11 | 国能龙源环保有限公司 | 净烟气二氧化硫排放的控制方法、装置、设备及介质 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09155153A (ja) * | 1995-12-07 | 1997-06-17 | Babcock Hitachi Kk | 排煙脱硝制御装置及び方法 |
JP2004243228A (ja) * | 2003-02-14 | 2004-09-02 | Babcock Hitachi Kk | 還元剤注入調整機能付排煙脱硝装置および排煙脱硝方法 |
CN205461808U (zh) * | 2016-03-22 | 2016-08-17 | 国网河南省电力公司电力科学研究院 | Scr脱硝催化剂在线检测和喷氨优化自动调节系统 |
CN105983302A (zh) * | 2016-05-31 | 2016-10-05 | 邢红涛 | Scr脱硝工艺的成分检测与喷氨控制系统 |
CN106345298A (zh) * | 2016-10-14 | 2017-01-25 | 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 |
CN106984191A (zh) * | 2017-03-29 | 2017-07-28 | 华电电力科学研究院 | 一种用于scr烟气脱硝的还原剂氨高效混合系统及其工作方法 |
CN107243257A (zh) * | 2017-05-08 | 2017-10-13 | 浙江大学 | 适合全负荷的智能喷氨控制系统 |
CN108344604A (zh) * | 2018-04-11 | 2018-07-31 | 华南理工大学 | 一种scr反应室nox浓度在线巡回检测装置及控制方法 |
WO2018193108A1 (de) * | 2017-04-20 | 2018-10-25 | Mitsubishi Hitachi Power Systems Europe Gmbh | Verfahren zum betrieb eines rauchgas katalytisch entstickenden rauchgasentstickungsreaktors und rauchgasentstickungsanlage mit einem für die durchführung des verfahrens geeigneten rauchgasentstickungsreaktor |
CN109445383A (zh) * | 2018-10-11 | 2019-03-08 | 湖南大唐节能科技有限公司 | 一种带前置静态混合器的scr分区喷氨优化控制方法 |
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 |
CN109603525A (zh) * | 2018-12-27 | 2019-04-12 | 浙江浙能温州发电有限公司 | 一种基于不均匀度判断的脱硝分区喷氨控制方法 |
CN109991047A (zh) * | 2019-04-28 | 2019-07-09 | 北京国电龙源环保工程有限公司 | 具备均匀混合与分区巡测同步取样的测量系统及检测方法 |
CN210690541U (zh) * | 2019-09-26 | 2020-06-05 | 北京国电龙源环保工程有限公司 | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统 |
-
2019
- 2019-09-26 CN CN201910922719.3A patent/CN110568129B/zh active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09155153A (ja) * | 1995-12-07 | 1997-06-17 | Babcock Hitachi Kk | 排煙脱硝制御装置及び方法 |
JP2004243228A (ja) * | 2003-02-14 | 2004-09-02 | Babcock Hitachi Kk | 還元剤注入調整機能付排煙脱硝装置および排煙脱硝方法 |
CN205461808U (zh) * | 2016-03-22 | 2016-08-17 | 国网河南省电力公司电力科学研究院 | Scr脱硝催化剂在线检测和喷氨优化自动调节系统 |
CN105983302A (zh) * | 2016-05-31 | 2016-10-05 | 邢红涛 | Scr脱硝工艺的成分检测与喷氨控制系统 |
CN106345298A (zh) * | 2016-10-14 | 2017-01-25 | 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 |
CN106984191A (zh) * | 2017-03-29 | 2017-07-28 | 华电电力科学研究院 | 一种用于scr烟气脱硝的还原剂氨高效混合系统及其工作方法 |
WO2018193108A1 (de) * | 2017-04-20 | 2018-10-25 | Mitsubishi Hitachi Power Systems Europe Gmbh | Verfahren zum betrieb eines rauchgas katalytisch entstickenden rauchgasentstickungsreaktors und rauchgasentstickungsanlage mit einem für die durchführung des verfahrens geeigneten rauchgasentstickungsreaktor |
CN107243257A (zh) * | 2017-05-08 | 2017-10-13 | 浙江大学 | 适合全负荷的智能喷氨控制系统 |
CN108344604A (zh) * | 2018-04-11 | 2018-07-31 | 华南理工大学 | 一种scr反应室nox浓度在线巡回检测装置及控制方法 |
CN109445383A (zh) * | 2018-10-11 | 2019-03-08 | 湖南大唐节能科技有限公司 | 一种带前置静态混合器的scr分区喷氨优化控制方法 |
CN109603525A (zh) * | 2018-12-27 | 2019-04-12 | 浙江浙能温州发电有限公司 | 一种基于不均匀度判断的脱硝分区喷氨控制方法 |
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 |
CN109991047A (zh) * | 2019-04-28 | 2019-07-09 | 北京国电龙源环保工程有限公司 | 具备均匀混合与分区巡测同步取样的测量系统及检测方法 |
CN210690541U (zh) * | 2019-09-26 | 2020-06-05 | 北京国电龙源环保工程有限公司 | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统 |
Non-Patent Citations (6)
Title |
---|
Guilin Wang等.Operation optimization of SCR system based on denitration efficiency prediction model.IOP Conf. Series: Earth and Environmental Science.2019,全文. * |
Jinglong Liu等.Study on Optimization Test Method of Ammonia Injection in SCR Denitrification Unit in Thermal Power Plant .IOP Conference Series: Materials Science and Engineering.2018,全文. * |
Swati Shah等.Optimal Ammonia Injection for Emissions Control in Power Plants.IFAC-PapersOnLine.2015,第48卷(第30期),全文. * |
刘韬.火电机组脱硝系统测量与控制策略问题分析及优化.浙江电力.2016,第35卷(第6期),全文. * |
吕太等.燃煤机组SCR脱硝系统氨氮混合优化.热力发电.2016,第45卷(第7期),全文. * |
田猛.脱硝喷氨自动控制系统应用与分析.电子技术与软件工程.2017,全文. * |
Also Published As
Publication number | Publication date |
---|---|
CN110568129A (zh) | 2019-12-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110568129B (zh) | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统及其方法 | |
CN104525011B (zh) | 一种动态配气仪及配气方法 | |
CN105597537B (zh) | 基于预测控制技术的脱硝控制方法 | |
CN109603525B (zh) | 一种基于不均匀度判断的脱硝分区喷氨控制方法 | |
CN111359438A (zh) | 一种scr烟气脱硝装置喷氨优化控制方法及控制系统 | |
CN101286059B (zh) | 在线测量数据获取、校正及过失误差的序列补偿方法 | |
CN210690541U (zh) | 一种SCR脱硝出口混合及分区烟气NOx浓度检测系统 | |
CN212167066U (zh) | 一种scr烟气脱硝装置喷氨优化控制系统 | |
CN108344604A (zh) | 一种scr反应室nox浓度在线巡回检测装置及控制方法 | |
CN103969088A (zh) | 排气取样装置及排气取样分析系统 | |
WO2021129176A1 (zh) | 一种气体测量系统的布设方法 | |
CN103019090A (zh) | 一种具有预测功能的智能烧结混合加水控制方法 | |
WO2021129174A1 (zh) | 一种利用气体测量、控制系统及在脱硝烟气检测中的应用 | |
CN111142494B (zh) | 一种胺液再生装置的智能控制方法及系统 | |
CN101881761A (zh) | 湿度可调高精度闭环配气系统 | |
CN209387613U (zh) | 便携式喷氨调平智能测量分析系统 | |
CN105628858A (zh) | 一种催化剂性能测试系统 | |
CN109519957B (zh) | 一种超超临界锅炉闭环燃烧优化控制方法 | |
CN115494892B (zh) | 高空模拟试车台进气环境模拟系统解耦控制方法 | |
Deltour et al. | Introduction of Smith predictor into dynamic regulation | |
CN111880504A (zh) | 一种智能的动态分区喷氨控制方法和系统 | |
CN111359432B (zh) | 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 | |
JP6063058B2 (ja) | 冷間圧延における酸洗のための酸濃度制御方法および装置 | |
CN110554617B (zh) | 一种自动控制实验教学装置及方法 | |
CN103816987A (zh) | 一种双进双出磨煤机出粉量的计算方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 100039, room 9, floor 1, building 16, No. 901 West Fourth Ring Road, Beijing, Haidian District Applicant after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Applicant before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhong Hongling Inventor after: Zhang Congtao Inventor after: Zhang Haoliang Inventor after: Zhao Zhe Inventor after: Du Qingmin Inventor after: Yin Erxin Inventor after: Zhang Hui Inventor after: Liu Guodong Inventor after: Shack Inventor after: Zhang Jun Inventor after: Xu Hao Inventor before: Zhong Hongling Inventor before: Zhao Zhe Inventor before: Yin Erxin Inventor before: Liu Guodong Inventor before: Zhang Jun Inventor before: Xu Hao Inventor before: Zhang Congtao Inventor before: Zhang Haoliang |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220207 Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Applicant after: Guoneng Longyuan environmental protection Co.,Ltd. Applicant after: Guoneng Nanning Power Generation Co.,Ltd. Applicant after: State energy group Guangxi Electric Power Co.,Ltd. Address before: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Applicant before: Guoneng Longyuan environmental protection Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |