CN108744969B - 一种scr工业烟气脱硝方法 - Google Patents
一种scr工业烟气脱硝方法 Download PDFInfo
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- CN108744969B CN108744969B CN201810603937.6A CN201810603937A CN108744969B CN 108744969 B CN108744969 B CN 108744969B CN 201810603937 A CN201810603937 A CN 201810603937A CN 108744969 B CN108744969 B CN 108744969B
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- flue gas
- ammonia
- denitration
- spraying
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- 239000003546 flue gas Substances 0.000 title claims abstract description 145
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 171
- 239000000428 dust Substances 0.000 claims abstract description 55
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 48
- 239000003054 catalyst Substances 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 74
- 238000005507 spraying Methods 0.000 claims description 64
- 230000003197 catalytic effect Effects 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 239000000779 smoke Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000006555 catalytic reaction Methods 0.000 description 14
- 238000005119 centrifugation Methods 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 238000010531 catalytic reduction reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
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
- 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
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810603937.6A CN108744969B (zh) | 2018-06-12 | 2018-06-12 | 一种scr工业烟气脱硝方法 |
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CN201810603937.6A CN108744969B (zh) | 2018-06-12 | 2018-06-12 | 一种scr工业烟气脱硝方法 |
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CN108744969A CN108744969A (zh) | 2018-11-06 |
CN108744969B true CN108744969B (zh) | 2020-10-23 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2374252Y (zh) * | 1999-04-01 | 2000-04-19 | 罗亚军 | 一种除尘器 |
CN206215048U (zh) * | 2016-11-30 | 2017-06-06 | 河南省中州环境节能科技有限公司 | 板式scr脱硝装置 |
CN107051200A (zh) * | 2016-12-28 | 2017-08-18 | 华电电力科学研究院 | 一种应用于scr脱硝系统的旋转式喷氨格栅 |
CN206642581U (zh) * | 2016-11-23 | 2017-11-17 | 东莞市东燃热能科技有限公司 | 一种增加脱硝效率避免催化不足的烟气脱硝装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9387448B2 (en) * | 2012-11-14 | 2016-07-12 | Innova Global Ltd. | Fluid flow mixer |
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2018
- 2018-06-12 CN CN201810603937.6A patent/CN108744969B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2374252Y (zh) * | 1999-04-01 | 2000-04-19 | 罗亚军 | 一种除尘器 |
CN206642581U (zh) * | 2016-11-23 | 2017-11-17 | 东莞市东燃热能科技有限公司 | 一种增加脱硝效率避免催化不足的烟气脱硝装置 |
CN206215048U (zh) * | 2016-11-30 | 2017-06-06 | 河南省中州环境节能科技有限公司 | 板式scr脱硝装置 |
CN107051200A (zh) * | 2016-12-28 | 2017-08-18 | 华电电力科学研究院 | 一种应用于scr脱硝系统的旋转式喷氨格栅 |
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Effective date of registration: 20200918 Address after: 277800 7-120 xiqubai village xizhihui Internet Industrial Park, Xingren sub district office, Zaozhuang City, Shandong Province Applicant after: ZAOZHUANG DUMI INFORMATION TECHNOLOGY Co.,Ltd. Address before: 510641, 381, five mountain road, Guangzhou, Guangdong, Tianhe District, China Applicant before: Peng Renfeng |
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CP02 | Change in the address of a patent holder |
Address after: 277800 Shuiquan Town, Shanting District, Zaozhuang City, Shandong Province Patentee after: ZAOZHUANG DUMI INFORMATION TECHNOLOGY Co.,Ltd. Address before: 277800 7-120 xizhihui Internet Industrial Park, xiqubai village, Xingren sub district office, high tech Zone, Zaozhuang City, Shandong Province Patentee before: ZAOZHUANG DUMI INFORMATION TECHNOLOGY Co.,Ltd. |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 277800 Shandong Province Zaozhuang City Shanting District 238 provincial road and Taihe Road intersection south 198m Road East Patentee after: ZAOZHUANG DUMI INFORMATION TECHNOLOGY Co.,Ltd. Address before: 277800 Shuiquan Town, Shanting District, Zaozhuang City, Shandong Province Patentee before: ZAOZHUANG DUMI INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211207 Address after: 430000 Qingshan Town Street, Changqing Road, Wuhan City, Hubei Province Patentee after: Wuhan Fenghuang Green Trade Co.,Ltd. Address before: 277800 Shandong Province Zaozhuang City Shanting District 238 provincial road and Taihe Road intersection south 198m Road East Patentee before: ZAOZHUANG DUMI INFORMATION TECHNOLOGY CO.,LTD. |
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