CN107020008A - 一种循环流化床锅炉脱硝系统及方法 - Google Patents
一种循环流化床锅炉脱硝系统及方法 Download PDFInfo
- Publication number
- CN107020008A CN107020008A CN201611118081.0A CN201611118081A CN107020008A CN 107020008 A CN107020008 A CN 107020008A CN 201611118081 A CN201611118081 A CN 201611118081A CN 107020008 A CN107020008 A CN 107020008A
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- CN
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- Prior art keywords
- feed bin
- rotary feeder
- urea granules
- cfbb
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000004202 carbamide Substances 0.000 claims abstract description 43
- 239000008187 granular material Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003546 flue gas Substances 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 22
- 230000001133 acceleration Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 27
- 239000003054 catalyst Substances 0.000 description 16
- 229910021529 ammonia Inorganic materials 0.000 description 12
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 11
- 239000003638 chemical reducing agent Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Inorganic materials O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
-
- 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)
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611118081.0A CN107020008B (zh) | 2016-12-07 | 一种循环流化床锅炉脱硝系统及方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611118081.0A CN107020008B (zh) | 2016-12-07 | 一种循环流化床锅炉脱硝系统及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107020008A true CN107020008A (zh) | 2017-08-08 |
CN107020008B CN107020008B (zh) | 2024-04-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111185083A (zh) * | 2018-11-15 | 2020-05-22 | 东莞市升佳净水材料有限公司 | 一种新型燃烧炉烟气粉状固体脱硝装置 |
CN111957202A (zh) * | 2020-08-21 | 2020-11-20 | 浙江浙能技术研究院有限公司 | 一种适用于生物质锅炉的脱硝系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103752170A (zh) * | 2014-01-16 | 2014-04-30 | 华中科技大学 | 一种切圆燃烧煤粉锅炉scr系统脱硝运行优化方法 |
CN104785092A (zh) * | 2014-12-31 | 2015-07-22 | 吕鹏飞 | 一种sncr烟气脱硝装置 |
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103752170A (zh) * | 2014-01-16 | 2014-04-30 | 华中科技大学 | 一种切圆燃烧煤粉锅炉scr系统脱硝运行优化方法 |
CN104785092A (zh) * | 2014-12-31 | 2015-07-22 | 吕鹏飞 | 一种sncr烟气脱硝装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111185083A (zh) * | 2018-11-15 | 2020-05-22 | 东莞市升佳净水材料有限公司 | 一种新型燃烧炉烟气粉状固体脱硝装置 |
CN111957202A (zh) * | 2020-08-21 | 2020-11-20 | 浙江浙能技术研究院有限公司 | 一种适用于生物质锅炉的脱硝系统 |
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Effective date of registration: 20171102 Address after: 257000 No. two, 206 South Road, Dongying District, Shandong, Dongying Applicant after: Cai Fei Address before: 257000 No. two, 206 South Road, Dongying District, Shandong, Dongying Applicant before: SHENGLI POWER PLANT OF SHENGLI PETROLEUM ADMINISTRATIVE BUREAU OF SINOPEC Group |
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Effective date of registration: 20181129 Address after: 257000 No. 206 South Second Road, Dongying District, Dongying City, Shandong Province Applicant after: SHENGLI POWER PLANT OF SHENGLI PETROLEUM ADMINISTRATIVE BUREAU OF SINOPEC Group Address before: 257000 No. 206 South Second Road, Dongying District, Dongying City, Shandong Province Applicant before: Cai Fei |
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CB02 | Change of applicant information |
Country or region after: China Address after: 257000 No. 206 South Second Road, Dongying District, Dongying City, Shandong Province Applicant after: Shengli Power Plant of Shengli Petroleum Administration Co., Ltd. of Sinopec Group Address before: 257000 No. 206 South Second Road, Dongying District, Dongying City, Shandong Province Applicant before: SHENGLI POWER PLANT OF SHENGLI PETROLEUM ADMINISTRATIVE BUREAU OF SINOPEC Group Country or region before: China |
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Effective date of registration: 20240328 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: SINOPEC Group Country or region after: China Applicant after: Shengli Power Plant of Shengli Petroleum Administration Co., Ltd. of Sinopec Group Address before: 257000 No. 206 South Second Road, Dongying District, Dongying City, Shandong Province Applicant before: Shengli Power Plant of Shengli Petroleum Administration Co., Ltd. of Sinopec Group Country or region before: China |
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