CN108302521A - 一种脱硝低NOx循环流化床锅炉及脱硝低NOx排放控制工艺 - Google Patents
一种脱硝低NOx循环流化床锅炉及脱硝低NOx排放控制工艺 Download PDFInfo
- Publication number
- CN108302521A CN108302521A CN201711477013.8A CN201711477013A CN108302521A CN 108302521 A CN108302521 A CN 108302521A CN 201711477013 A CN201711477013 A CN 201711477013A CN 108302521 A CN108302521 A CN 108302521A
- Authority
- CN
- China
- Prior art keywords
- air
- boiler
- burner hearth
- fluidized bed
- low nox
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 8
- 208000018875 hypoxemia Diseases 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000000839 emulsion Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 210000000038 chest Anatomy 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 230000009466 transformation Effects 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711477013.8A CN108302521A (zh) | 2017-12-29 | 2017-12-29 | 一种脱硝低NOx循环流化床锅炉及脱硝低NOx排放控制工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711477013.8A CN108302521A (zh) | 2017-12-29 | 2017-12-29 | 一种脱硝低NOx循环流化床锅炉及脱硝低NOx排放控制工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108302521A true CN108302521A (zh) | 2018-07-20 |
Family
ID=62867832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711477013.8A Pending CN108302521A (zh) | 2017-12-29 | 2017-12-29 | 一种脱硝低NOx循环流化床锅炉及脱硝低NOx排放控制工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108302521A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109210562A (zh) * | 2018-09-04 | 2019-01-15 | 华电电力科学研究院有限公司 | 一种用于π型锅炉中储式制粉系统防爆的装置及其工作方法 |
CN114459023A (zh) * | 2021-09-20 | 2022-05-10 | 哈尔滨博深科技发展有限公司 | 一种循环流化床锅炉超低负荷运行的炉内强制脱硝装置 |
CN114562720A (zh) * | 2022-02-28 | 2022-05-31 | 扬州星辰环境工程有限公司 | 生物质高效焚化用催化燃烧调控锅炉 |
CN117588755A (zh) * | 2023-12-27 | 2024-02-23 | 中科合肥煤气化技术有限公司 | 对低热值气化飞灰资源化利用的循环流化床焚烧炉系统及方法 |
-
2017
- 2017-12-29 CN CN201711477013.8A patent/CN108302521A/zh active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109210562A (zh) * | 2018-09-04 | 2019-01-15 | 华电电力科学研究院有限公司 | 一种用于π型锅炉中储式制粉系统防爆的装置及其工作方法 |
CN114459023A (zh) * | 2021-09-20 | 2022-05-10 | 哈尔滨博深科技发展有限公司 | 一种循环流化床锅炉超低负荷运行的炉内强制脱硝装置 |
CN114562720A (zh) * | 2022-02-28 | 2022-05-31 | 扬州星辰环境工程有限公司 | 生物质高效焚化用催化燃烧调控锅炉 |
CN117588755A (zh) * | 2023-12-27 | 2024-02-23 | 中科合肥煤气化技术有限公司 | 对低热值气化飞灰资源化利用的循环流化床焚烧炉系统及方法 |
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Address after: 310000 Six Floors, Building 1818-2, Wenyi West Road, Yuhang Street, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Pyneo Technology Co., Ltd. Applicant after: HANGZHOU HANGLIAN THERMOELECTRICITY CO., LTD. Applicant after: Zhejiang University Address before: 310012 2nd Floor, Block C, Huaxing Times Square, 478 Wensan Road, Hangzhou City, Zhejiang Province Applicant before: Zhejiang Pyneo Technology Co., Ltd. Applicant before: HANGZHOU HANGLIAN THERMOELECTRICITY CO., LTD. Applicant before: Zhejiang University |
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Application publication date: 20180720 |
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