CN108744914B - 一种烧结烟尘在线自催化脱硝方法 - Google Patents
一种烧结烟尘在线自催化脱硝方法 Download PDFInfo
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- CN108744914B CN108744914B CN201810603401.4A CN201810603401A CN108744914B CN 108744914 B CN108744914 B CN 108744914B CN 201810603401 A CN201810603401 A CN 201810603401A CN 108744914 B CN108744914 B CN 108744914B
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- dust
- smoke
- denitration
- ammonia gas
- catalytic
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- 239000000428 dust Substances 0.000 title claims abstract description 251
- 239000000779 smoke Substances 0.000 title claims abstract description 203
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005245 sintering Methods 0.000 title claims abstract description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 150
- 239000003054 catalyst Substances 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000003500 flue dust Substances 0.000 claims abstract description 9
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000007865 diluting Methods 0.000 claims abstract description 4
- 238000010790 dilution Methods 0.000 claims abstract description 4
- 239000012895 dilution Substances 0.000 claims abstract description 4
- 238000001704 evaporation Methods 0.000 claims abstract description 4
- 230000003197 catalytic effect Effects 0.000 claims description 119
- 239000004744 fabric Substances 0.000 claims description 40
- 238000003756 stirring Methods 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 20
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003546 flue gas Substances 0.000 abstract description 15
- 238000005844 autocatalytic reaction Methods 0.000 abstract description 9
- 230000008021 deposition Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 17
- 230000000694 effects Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 11
- 230000005484 gravity Effects 0.000 description 9
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZWWCURLKEXEFQT-UHFFFAOYSA-N dinitrogen pentaoxide Chemical compound [O-][N+](=O)O[N+]([O-])=O ZWWCURLKEXEFQT-UHFFFAOYSA-N 0.000 description 2
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001272 nitrous oxide Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
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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
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
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CN201810603401.4A CN108744914B (zh) | 2018-06-12 | 2018-06-12 | 一种烧结烟尘在线自催化脱硝方法 |
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CN108744914B true CN108744914B (zh) | 2021-07-02 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206276239U (zh) * | 2016-12-05 | 2017-06-27 | 唐山学院 | 一种除尘式脱硝催化剂结构体 |
CN106975331A (zh) * | 2017-04-27 | 2017-07-25 | 北京清新环境技术股份有限公司 | 一种烟气催化吸附协同脱汞装置及其方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10049595A1 (de) * | 1999-10-13 | 2001-05-23 | Sekretaer Der Agentur Der Ind | Abgasreinigungsanlage sowie Verfahren zum Reinigen von Abgasen |
JP3686666B1 (ja) * | 2004-08-31 | 2005-08-24 | 日産ディーゼル工業株式会社 | エンジンの排気浄化装置 |
CN102091658B (zh) * | 2010-12-27 | 2013-07-10 | 北京工业大学 | 一种防粉尘粘附的包裹脱硝催化球及其制备方法 |
CN102614779B (zh) * | 2012-04-28 | 2013-09-11 | 湖南大学 | 一种除尘脱硝一体化装置 |
CN104689735B (zh) * | 2015-03-19 | 2016-08-31 | 西安西热锅炉环保工程有限公司 | 一种适用于烟道式脱硝反应器的一体式氨注射混合器 |
CN105289301B (zh) * | 2015-11-11 | 2018-07-20 | 华南理工大学 | 一种双旋式scr脱硝方法及其装置 |
CN105289303B (zh) * | 2015-11-11 | 2017-12-01 | 华南理工大学 | 一种旋流雾化scr脱硝方法及其装置 |
CN106268294B (zh) * | 2016-08-03 | 2019-04-12 | 西安交通大学 | 一种用于scr脱硝系统的纵向涡型喷氨混合装置 |
CN206355833U (zh) * | 2016-12-29 | 2017-07-28 | 大唐保定供热有限责任公司 | 一种循环型脱硝催化装置 |
CN206334542U (zh) * | 2016-12-29 | 2017-07-18 | 大唐保定供热有限责任公司 | 一种自除尘往复式脱硝催化装置 |
CN107081055B (zh) * | 2017-04-17 | 2019-08-23 | 山东大学 | 一种旋流组合式scr静态混合器 |
CN107321173B (zh) * | 2017-05-26 | 2019-10-22 | 国家海洋局第二海洋研究所 | 空气净化装置 |
CN107559858B (zh) * | 2017-09-12 | 2019-03-08 | 哈尔滨工业大学 | 带有内直外旋喷氨装置的旋流燃烧器w火焰锅炉 |
CN108014480A (zh) * | 2017-11-30 | 2018-05-11 | 宁波市江北义盈工贸有限公司 | 一种防卡球的自动发球装置 |
CN108105824A (zh) * | 2018-01-16 | 2018-06-01 | 青岛海尔智慧厨房电器有限公司 | 一种油烟机汲烟器及油烟机 |
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2018
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206276239U (zh) * | 2016-12-05 | 2017-06-27 | 唐山学院 | 一种除尘式脱硝催化剂结构体 |
CN106975331A (zh) * | 2017-04-27 | 2017-07-25 | 北京清新环境技术股份有限公司 | 一种烟气催化吸附协同脱汞装置及其方法 |
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Effective date of registration: 20210610 Address after: 226200 No. 1085 Nanyuan West Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Applicant after: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Address before: Nanjing University, 22 Hankou Road, Nanjing, Jiangsu 210008 Applicant before: Wang Peng |
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Denomination of invention: An on-line autocatalytic denitration method for sintering dust Effective date of registration: 20211021 Granted publication date: 20210702 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Registration number: Y2021980011034 |
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Date of cancellation: 20221018 Granted publication date: 20210702 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Registration number: Y2021980011034 |
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Denomination of invention: An On line Autocatalytic Denitration Method for Sintering Dust Effective date of registration: 20221019 Granted publication date: 20210702 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Registration number: Y2022980018887 |
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Date of cancellation: 20231013 Granted publication date: 20210702 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Registration number: Y2022980018887 |
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Denomination of invention: A Method for Online Autocatalytic Denitration of Sintered Smoke and Dust Effective date of registration: 20231018 Granted publication date: 20210702 Pledgee: Bank of China Limited by Share Ltd. Qidong branch Pledgor: JIANGSU RUILI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Registration number: Y2023980061404 |