CN109107387A - 一种脱硝***自动喷氨控制方法和控制*** - Google Patents
一种脱硝***自动喷氨控制方法和控制*** Download PDFInfo
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- CN109107387A CN109107387A CN201811124867.2A CN201811124867A CN109107387A CN 109107387 A CN109107387 A CN 109107387A CN 201811124867 A CN201811124867 A CN 201811124867A CN 109107387 A CN109107387 A CN 109107387A
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 50
- 239000007921 spray Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 231
- 239000003546 flue gas Substances 0.000 claims abstract description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000003245 coal Substances 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 60
- 238000003860 storage Methods 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 14
- 238000004868 gas analysis Methods 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000008358 core component Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000001311 chemical methods and process Methods 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
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Classifications
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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
- B01D53/8631—Processes characterised by a specific device
-
- 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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
-
- 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
-
- 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
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
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Priority Applications (1)
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CN201811124867.2A CN109107387A (zh) | 2018-09-26 | 2018-09-26 | 一种脱硝***自动喷氨控制方法和控制*** |
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CN201811124867.2A CN109107387A (zh) | 2018-09-26 | 2018-09-26 | 一种脱硝***自动喷氨控制方法和控制*** |
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CN201811124867.2A Pending CN109107387A (zh) | 2018-09-26 | 2018-09-26 | 一种脱硝***自动喷氨控制方法和控制*** |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102166A (zh) * | 2019-04-25 | 2019-08-09 | 新兴铸管股份有限公司 | 一种活性焦脱硫脱硝氨水喷洒*** |
CN110989466A (zh) * | 2019-12-25 | 2020-04-10 | 华能应城热电有限责任公司 | 一种火电机组脱硝的动态前馈带内模控制方法及*** |
CN111584015A (zh) * | 2020-05-27 | 2020-08-25 | 大唐环境产业集团股份有限公司 | 脱硝***入口NOx测量延迟估计方法及装置 |
CN115301056A (zh) * | 2022-08-31 | 2022-11-08 | 阳江翌川金属科技有限公司 | 脱硝烟气联锁控制***及脱硝工艺 |
CN115591378A (zh) * | 2022-12-12 | 2023-01-13 | 清华大学(Cn) | 火电机组scr脱硝的前馈补偿和扰动抑制控制***及方法 |
Citations (6)
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---|---|---|---|---|
JPH0631136A (ja) * | 1992-07-22 | 1994-02-08 | Babcock Hitachi Kk | ガスタービンと廃熱回収ボイラとの組合せ循環系における脱硝装置のアンモニア注入制御方法 |
CN104826492A (zh) * | 2015-04-23 | 2015-08-12 | 华北电力大学(保定) | 一种选择性催化还原法烟气脱硝喷氨控制***的改进方法 |
CN105045089A (zh) * | 2015-06-19 | 2015-11-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | 一种基于出口NOx含量控制的锅炉脱硝控制方法及*** |
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*** |
CN105854597A (zh) * | 2016-04-14 | 2016-08-17 | 国网河南省电力公司电力科学研究院 | Scr脱硝装置喷氨格栅智能优化调整***及方法 |
CN107561941A (zh) * | 2017-09-01 | 2018-01-09 | 华北电力大学(保定) | 一种火电机组脱硝***的全工况达标排放控制方法 |
-
2018
- 2018-09-26 CN CN201811124867.2A patent/CN109107387A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0631136A (ja) * | 1992-07-22 | 1994-02-08 | Babcock Hitachi Kk | ガスタービンと廃熱回収ボイラとの組合せ循環系における脱硝装置のアンモニア注入制御方法 |
CN104826492A (zh) * | 2015-04-23 | 2015-08-12 | 华北电力大学(保定) | 一种选择性催化还原法烟气脱硝喷氨控制***的改进方法 |
CN105045089A (zh) * | 2015-06-19 | 2015-11-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | 一种基于出口NOx含量控制的锅炉脱硝控制方法及*** |
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*** |
CN105854597A (zh) * | 2016-04-14 | 2016-08-17 | 国网河南省电力公司电力科学研究院 | Scr脱硝装置喷氨格栅智能优化调整***及方法 |
CN107561941A (zh) * | 2017-09-01 | 2018-01-09 | 华北电力大学(保定) | 一种火电机组脱硝***的全工况达标排放控制方法 |
Non-Patent Citations (2)
Title |
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董俞宏: "氨自动控制方式优化技术", 《山东工业技术》, pages 42 * |
黄宇等: "SCR 脱硝***的线性自抗扰串级控制研究", 《中国电机工程学报》, vol. 38, no. 18, pages 5518 - 5528 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110102166A (zh) * | 2019-04-25 | 2019-08-09 | 新兴铸管股份有限公司 | 一种活性焦脱硫脱硝氨水喷洒*** |
CN110989466A (zh) * | 2019-12-25 | 2020-04-10 | 华能应城热电有限责任公司 | 一种火电机组脱硝的动态前馈带内模控制方法及*** |
CN110989466B (zh) * | 2019-12-25 | 2021-04-27 | 华能应城热电有限责任公司 | 一种火电机组脱硝的动态前馈带内模控制方法及*** |
CN111584015A (zh) * | 2020-05-27 | 2020-08-25 | 大唐环境产业集团股份有限公司 | 脱硝***入口NOx测量延迟估计方法及装置 |
CN111584015B (zh) * | 2020-05-27 | 2021-09-10 | 大唐环境产业集团股份有限公司 | 脱硝***入口NOx测量延迟估计方法及装置 |
CN115301056A (zh) * | 2022-08-31 | 2022-11-08 | 阳江翌川金属科技有限公司 | 脱硝烟气联锁控制***及脱硝工艺 |
CN115591378A (zh) * | 2022-12-12 | 2023-01-13 | 清华大学(Cn) | 火电机组scr脱硝的前馈补偿和扰动抑制控制***及方法 |
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Inventor after: Feng Yuan Inventor after: Yin Zirui Inventor after: Zeng Xionghui Inventor before: Feng Yuan |
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