CN107020008B - 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
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- CN107020008B CN107020008B CN201611118081.0A CN201611118081A CN107020008B CN 107020008 B CN107020008 B CN 107020008B CN 201611118081 A CN201611118081 A CN 201611118081A CN 107020008 B CN107020008 B CN 107020008B
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- storage bin
- negative pressure
- rotary feeder
- flue gas
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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 41
- 239000004202 carbamide Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 24
- 238000000605 extraction Methods 0.000 claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 30
- 239000003546 flue gas Substances 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000006227 byproduct Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 28
- 239000003570 air Substances 0.000 description 26
- 239000003054 catalyst Substances 0.000 description 17
- 229910021529 ammonia Inorganic materials 0.000 description 13
- 239000003638 chemical reducing agent Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 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
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 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
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611118081.0A CN107020008B (zh) | 2016-12-07 | 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 | 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 |
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CN107020008A CN107020008A (zh) | 2017-08-08 |
CN107020008B true CN107020008B (zh) | 2024-04-26 |
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CN201611118081.0A Active CN107020008B (zh) | 2016-12-07 | 2016-12-07 | 一种循环流化床锅炉脱硝系统及方法 |
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CN (1) | CN107020008B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2016
- 2016-12-07 CN CN201611118081.0A patent/CN107020008B/zh active Active
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 |
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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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