CN107551811B - 基于干法和半干法脱硫的烧结烟气scr脱硝工艺 - Google Patents
基于干法和半干法脱硫的烧结烟气scr脱硝工艺 Download PDFInfo
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- CN107551811B CN107551811B CN201710819135.4A CN201710819135A CN107551811B CN 107551811 B CN107551811 B CN 107551811B CN 201710819135 A CN201710819135 A CN 201710819135A CN 107551811 B CN107551811 B CN 107551811B
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- flue gas
- sinter
- sintering flue
- sintering
- temperature
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- 239000003546 flue gas Substances 0.000 title claims abstract description 156
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000005245 sintering Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 89
- 230000008569 process Effects 0.000 title claims abstract description 33
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 230000023556 desulfurization Effects 0.000 claims abstract description 51
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 17
- 239000002918 waste heat Substances 0.000 claims abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 88
- 238000006243 chemical reaction Methods 0.000 claims description 49
- 229910021529 ammonia Inorganic materials 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 26
- 239000003517 fume Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 9
- 238000011068 loading method Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
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- 229910000069 nitrogen hydride Inorganic materials 0.000 description 35
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- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 16
- 239000011148 porous material Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 238000001179 sorption measurement Methods 0.000 description 11
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- 235000020985 whole grains Nutrition 0.000 description 5
- 229910002651 NO3 Inorganic materials 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
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- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910017135 Fe—O Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- 150000002500 ions Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 239000007848 Bronsted acid Substances 0.000 description 1
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- 229910017541 Cu-K Inorganic materials 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
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- -1 adsorption temp 77K Substances 0.000 description 1
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- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- OXSWKJLAKXNIFG-UHFFFAOYSA-N azane sulfuric acid Chemical compound N.N.N.OS(O)(=O)=O OXSWKJLAKXNIFG-UHFFFAOYSA-N 0.000 description 1
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- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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- 239000010865 sewage Substances 0.000 description 1
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- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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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
-
- 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
- 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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- 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
Landscapes
- 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)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710482688.5A CN107081064A (zh) | 2017-06-22 | 2017-06-22 | 基于干法和半干法脱硫的烧结烟气scr脱硝工艺 |
CN2017104826885 | 2017-06-22 |
Publications (2)
Publication Number | Publication Date |
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CN107551811A CN107551811A (zh) | 2018-01-09 |
CN107551811B true CN107551811B (zh) | 2019-10-25 |
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Family Applications (2)
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CN201710482688.5A Withdrawn CN107081064A (zh) | 2017-06-22 | 2017-06-22 | 基于干法和半干法脱硫的烧结烟气scr脱硝工艺 |
CN201710819135.4A Active CN107551811B (zh) | 2017-06-22 | 2017-09-12 | 基于干法和半干法脱硫的烧结烟气scr脱硝工艺 |
Family Applications Before (1)
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CN201710482688.5A Withdrawn CN107081064A (zh) | 2017-06-22 | 2017-06-22 | 基于干法和半干法脱硫的烧结烟气scr脱硝工艺 |
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CN (2) | CN107081064A (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107575882A (zh) * | 2017-09-26 | 2018-01-12 | 广州智光节能有限公司 | 一种余热锅炉scr烟气脱硝效率调节装置和方法 |
CN108355488B (zh) * | 2018-03-21 | 2020-03-24 | 中南大学 | 一种铁矿球团的废气循环脱硝方法 |
CN109173653A (zh) * | 2018-10-31 | 2019-01-11 | 山东师范大学 | 一种烧结烟气的scr脱硝工艺 |
CN109482047A (zh) * | 2018-11-27 | 2019-03-19 | 杭州宁骏科技有限公司 | 一种半干法脱硫系统 |
CN109772166B (zh) * | 2019-01-15 | 2021-12-24 | 华电电力科学研究院有限公司 | 一种燃气分布式能源脱硝系统装置及运行方法 |
CN109999726B (zh) * | 2019-03-27 | 2023-12-22 | 合肥视微科技有限公司 | 高温高压原位xrd和xas气固反应装置 |
CN111632478A (zh) * | 2020-07-13 | 2020-09-08 | 安徽紫朔环境工程技术有限公司 | 一种焦炉烟气尘硫硝一体化排放净化方法 |
CN112619410B (zh) * | 2020-11-19 | 2021-11-30 | 北京科技大学 | 一种焦炉烟气scr脱硝与余热梯级利用一体化系统及工艺 |
CN117771873A (zh) * | 2023-11-15 | 2024-03-29 | 上海开鸿环保科技有限公司 | 基于活性炭辅助脱硝的氟苯合成尾气污染组分资源化利用方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10123402A1 (de) * | 2001-05-14 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren zum Behandeln von ammoniakhaltigen Rauchgasen |
CN102997697B (zh) * | 2012-12-12 | 2014-08-27 | 武汉钢铁(集团)公司 | 基于烧结烟气净化的烧结矿余热利用工艺 |
CN106621800B (zh) * | 2016-12-26 | 2023-11-24 | 重庆稳稳科技有限公司 | 一种移动床热烧结矿脱硝装置 |
-
2017
- 2017-06-22 CN CN201710482688.5A patent/CN107081064A/zh not_active Withdrawn
- 2017-09-12 CN CN201710819135.4A patent/CN107551811B/zh active Active
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Publication number | Publication date |
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CN107081064A (zh) | 2017-08-22 |
CN107551811A (zh) | 2018-01-09 |
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Application publication date: 20180109 Assignee: Wuhan University of science and Technology Business Incubator Co.,Ltd. Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020420000008 Denomination of invention: SCR denitration process of sintering flue gas based on dry and semi dry desulfurization Granted publication date: 20191025 License type: Common License Record date: 20201022 |
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