KR20190134755A - 연소 배기 가스 정화 시스템의 운용 방법 - Google Patents
연소 배기 가스 정화 시스템의 운용 방법 Download PDFInfo
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- KR20190134755A KR20190134755A KR1020197033006A KR20197033006A KR20190134755A KR 20190134755 A KR20190134755 A KR 20190134755A KR 1020197033006 A KR1020197033006 A KR 1020197033006A KR 20197033006 A KR20197033006 A KR 20197033006A KR 20190134755 A KR20190134755 A KR 20190134755A
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- exhaust gas
- combustion exhaust
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 46
- 239000003245 coal Substances 0.000 claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 230000003197 catalytic effect Effects 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 53
- 239000003054 catalyst Substances 0.000 description 34
- 239000003921 oil Substances 0.000 description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 28
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 14
- 238000006722 reduction reaction Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
-
- 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
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/8696—Controlling the catalytic process
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
-
- 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
- F23C1/00—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
- F23C1/02—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air lump and liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/10—Catalytic reduction devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/11001—Conducting systems with a gas flow bypass from main flue to an auxiliary flue
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/20—Controlling one or more bypass conduits
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
도 2 는, 보일러 기동 후의 촉매층의 온도 변화의 일례를 나타내는 도면이다.
2 : 탈질 장치 입구 댐퍼
3 : 환원제 주입기
4 : 바이패스 댐퍼
5 : 촉매 반응기
6 : 촉매층
7 : 탈질 장치 출구 댐퍼
8 : 공기 예열기
9 : 유인 팬
10 : 연돌
11 : 바이패스
12 : 입구 연도
13 : 출구 연도
14 : 화로
Claims (4)
- 오일 연료 및 석탄 연료를 동시에 또는 전환하여 연소시킬 수 있는 보일러, 환원제 주입기와 촉매 반응기를 갖는 탈질 장치, 보일러로부터 배출되는 연소 배기 가스를 탈질 장치로 유도하는 입구 연도, 탈질 장치로부터 연소 배기 가스를 유도하는 출구 연도, 입구 연도로부터 출구 연도로 탈질 장치를 우회하여 연소 배기 가스를 유도할 수 있는 바이패스, 및 바이패스 댐퍼를 구비하는 연소 배기 가스 정화 시스템에 있어서,
바이패스 댐퍼를 열어, 석탄 연소에 아직 적합하지 않은 상태의 보일러에서 오일 연료를 연소시키고, 보일러로부터 배출되는 연소 배기 가스가 탈질 장치와 바이패스로 나뉘어 흐르도록 하고,
보일러가 석탄 연소에 적합한 상태가 되었을 때에, 오일 연료로부터 석탄 연료로 전환하여, 보일러에서 석탄 연료를 연소시키고,
오일 연료로부터 석탄 연료로 전환한 후에 바이패스 댐퍼를 닫고,
그리고, 촉매 반응기가 탈질 반응에 적합한 상태가 되었을 때에, 환원제를 주입하는 것을 포함하는, 연소 배기 가스 정화 시스템의 운용 방법. - 제 1 항에 있어서,
바이패스 댐퍼를 공기식 액추에이터로 구동시키는, 연소 배기 가스 정화 시스템의 운용 방법. - 제 1 항에 있어서,
바이패스 댐퍼가 온·오프 제어식 댐퍼인, 연소 배기 가스 정화 시스템의 운용 방법. - 제 1 항에 있어서,
탈질 장치와 바이패스에 5 : 95 ∼ 40 : 60 의 비율로 연소 배기 가스가 나뉘어 흐르는, 연소 배기 가스 정화 시스템의 운용 방법.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/017955 WO2018207332A1 (ja) | 2017-05-11 | 2017-05-11 | 燃焼排ガス浄化システムの運用方法 |
Publications (2)
Publication Number | Publication Date |
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KR20190134755A true KR20190134755A (ko) | 2019-12-04 |
KR102334460B1 KR102334460B1 (ko) | 2021-12-02 |
Family
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Family Applications (1)
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KR1020197033006A Active KR102334460B1 (ko) | 2017-05-11 | 2017-05-11 | 연소 배기 가스 정화 시스템의 운용 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11441774B2 (ko) |
KR (1) | KR102334460B1 (ko) |
WO (1) | WO2018207332A1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340737A (zh) * | 2018-11-19 | 2019-02-15 | 哈尔滨红光锅炉总厂有限责任公司 | 一种可用于scr脱硝的角管锅炉 |
CN112535947A (zh) * | 2020-05-22 | 2021-03-23 | 河南亿水源净水材料科技有限公司 | 一种高效脱硝的方法 |
CN111589301A (zh) * | 2020-05-29 | 2020-08-28 | 广东电科院能源技术有限责任公司 | 燃煤电厂scr脱硝性能预测方法、装置、设备和存储介质 |
CN112460618A (zh) * | 2020-12-03 | 2021-03-09 | 昆山市三维换热器有限公司 | 全负荷脱硝系统及其控制方法 |
CN112619413A (zh) * | 2020-12-24 | 2021-04-09 | 西安大唐电力设计研究院有限公司 | 一种链条炉脱硝系统 |
CN114470980B (zh) * | 2022-01-07 | 2023-06-27 | 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 | 一种便于调节流量的锅炉旁路烟道组件及其使用方法 |
CN116518396B (zh) * | 2023-05-10 | 2024-01-19 | 扬州正宇锅炉有限公司 | 一种大型生物质半气化模块组装水管锅炉 |
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JPS62106825A (ja) | 1985-11-05 | 1987-05-18 | Babcock Hitachi Kk | 脱硝装置 |
JPH0775717A (ja) | 1993-06-30 | 1995-03-20 | Mitsubishi Heavy Ind Ltd | 燃焼排ガス中の窒素酸化物の低減方法 |
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2017
- 2017-05-11 KR KR1020197033006A patent/KR102334460B1/ko active Active
- 2017-05-11 WO PCT/JP2017/017955 patent/WO2018207332A1/ja active Application Filing
- 2017-05-11 US US16/611,652 patent/US11441774B2/en active Active
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JPS62106825A (ja) | 1985-11-05 | 1987-05-18 | Babcock Hitachi Kk | 脱硝装置 |
JPH0775717A (ja) | 1993-06-30 | 1995-03-20 | Mitsubishi Heavy Ind Ltd | 燃焼排ガス中の窒素酸化物の低減方法 |
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JP2006162208A (ja) | 2004-12-10 | 2006-06-22 | Babcock Hitachi Kk | バーナとその運転方法 |
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Publication number | Publication date |
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WO2018207332A1 (ja) | 2018-11-15 |
US20200149741A1 (en) | 2020-05-14 |
US11441774B2 (en) | 2022-09-13 |
KR102334460B1 (ko) | 2021-12-02 |
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