CN108654366B - 一种火电厂废气处理工艺 - Google Patents
一种火电厂废气处理工艺 Download PDFInfo
- Publication number
- CN108654366B CN108654366B CN201810603443.8A CN201810603443A CN108654366B CN 108654366 B CN108654366 B CN 108654366B CN 201810603443 A CN201810603443 A CN 201810603443A CN 108654366 B CN108654366 B CN 108654366B
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- Prior art keywords
- ammonia
- waste gas
- gas
- plate
- ammonia water
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 title claims abstract description 24
- 239000010908 plant waste Substances 0.000 title claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 126
- 239000002912 waste gas Substances 0.000 claims abstract description 95
- 239000003054 catalyst Substances 0.000 claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 42
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 4
- 230000023556 desulfurization Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 81
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 229910021529 ammonia Inorganic materials 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 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
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810603443.8A CN108654366B (zh) | 2018-06-12 | 2018-06-12 | 一种火电厂废气处理工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810603443.8A CN108654366B (zh) | 2018-06-12 | 2018-06-12 | 一种火电厂废气处理工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108654366A CN108654366A (zh) | 2018-10-16 |
CN108654366B true CN108654366B (zh) | 2021-04-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810603443.8A Active CN108654366B (zh) | 2018-06-12 | 2018-06-12 | 一种火电厂废气处理工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN108654366B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110500603A (zh) * | 2019-08-22 | 2019-11-26 | 山东郓城正华玻璃科技有限公司 | 一种玻璃厂废气脱硝方法 |
CN111207404A (zh) * | 2020-02-28 | 2020-05-29 | 苏州仕净环保科技股份有限公司 | 复合烟气脱硫脱硝脱白除尘一体化设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104984640A (zh) * | 2015-07-13 | 2015-10-21 | 广西博世科环保科技股份有限公司 | 玻璃窑炉烟气综合净化工艺 |
CN205308106U (zh) * | 2015-10-20 | 2016-06-15 | 济南环保陶瓷除尘技术研究所 | 燃煤烟气除尘脱硫脱硝一体化复合工艺系统 |
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 |
CN205815445U (zh) * | 2015-12-31 | 2016-12-21 | 东莞市粤绿环保有限公司 | 一种干法水泥窑尾气脱硝装置 |
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2018
- 2018-06-12 CN CN201810603443.8A patent/CN108654366B/zh active Active
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CN108654366A (zh) | 2018-10-16 |
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SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Shen Kanli Inventor after: Li Huilin Inventor after: Tang Zuwang Inventor after: Peng Yuan Inventor before: Peng Yuan |
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CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210401 Address after: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Address before: Nanjing University of Aeronautics and Astronautics, 29 Yudao street, Baixia District, Nanjing City, Jiangsu Province, 210007 Applicant before: Peng Yuan |
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TA01 | Transfer of patent application right | ||
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GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A waste gas treatment process for thermal power plant Effective date of registration: 20211018 Granted publication date: 20210423 Pledgee: Zhejiang Tongxiang rural commercial bank Limited by Share Ltd. Feng Ming sub branch Pledgor: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Registration number: Y2021330001838 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Address before: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230517 Granted publication date: 20210423 Pledgee: Zhejiang Tongxiang rural commercial bank Limited by Share Ltd. Feng Ming sub branch Pledgor: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Registration number: Y2021330001838 |
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