JP2731794B2 - ＮＯｘ制御用の高性能オーバファイア空気システム - Google Patents
ＮＯｘ制御用の高性能オーバファイア空気システムInfo
- Publication number
- JP2731794B2 JP2731794B2 JP3512292A JP51229291A JP2731794B2 JP 2731794 B2 JP2731794 B2 JP 2731794B2 JP 3512292 A JP3512292 A JP 3512292A JP 51229291 A JP51229291 A JP 51229291A JP 2731794 B2 JP2731794 B2 JP 2731794B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- overfire air
- air
- combustion
- fuel
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims description 188
- 239000000446 fuel Substances 0.000 claims description 135
- 239000002803 fossil fuel Substances 0.000 claims description 123
- 238000009826 distribution Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 239000003245 coal Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 239000012530 fluid Substances 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- 238000006722 reduction reaction Methods 0.000 description 14
- 239000007921 spray Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002802 bituminous coal Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000017899 Spathodea campanulata Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer 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
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
-
- 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
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
- F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
-
- 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
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air above the fire
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60717790A | 1990-10-31 | 1990-10-31 | |
| US607,177 | 1990-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05507345A JPH05507345A (ja) | 1993-10-21 |
| JP2731794B2 true JP2731794B2 (ja) | 1998-03-25 |
Family
ID=24431152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3512292A Expired - Fee Related JP2731794B2 (ja) | 1990-10-31 | 1991-06-24 | ＮＯｘ制御用の高性能オーバファイア空気システム |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0554254B1 (cs) |
| JP (1) | JP2731794B2 (cs) |
| KR (1) | KR970009483B1 (cs) |
| AU (1) | AU646677B2 (cs) |
| BR (1) | BR9107060A (cs) |
| CA (1) | CA2091341C (cs) |
| CS (1) | CS327791A3 (cs) |
| DE (1) | DE69121579D1 (cs) |
| ES (1) | ES2092573T3 (cs) |
| FI (1) | FI931941A7 (cs) |
| HU (1) | HUT65491A (cs) |
| MX (1) | MX9100537A (cs) |
| WO (1) | WO1992008078A1 (cs) |
| YU (1) | YU141991A (cs) |
| ZA (1) | ZA915500B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913898A (zh) * | 2012-10-16 | 2013-02-06 | 东方电气集团东方锅炉股份有限公司 | 一种在前后墙对冲燃烧锅炉中的燃尽风布置方式 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2752042B1 (fr) * | 1996-07-31 | 1998-09-11 | Gec Alsthom Stein Ind | Busette de soufflage d'air secondaire dans un foyer de combustion |
| RU2184905C2 (ru) * | 2000-09-15 | 2002-07-10 | Дигонский Сергей Викторович | Способ комбинированного сжигания углеводородного топлива |
| RU2215237C1 (ru) * | 2002-11-25 | 2003-10-27 | Южно-Уральский государственный университет | Способ работы вертикальной призматической четырехгранной топки для совместного сжигания газообразного и пылевидного топлива |
| RU2258866C1 (ru) * | 2004-03-22 | 2005-08-20 | Южно-Уральский государственный университет | Способ сжигания измельченного твердого топлива |
| RU2270957C1 (ru) * | 2004-08-31 | 2006-02-27 | Феликс Мордухаевич Ашуров | Способ подготовки и сжигания твердого топлива, преимущественно угля, в топке кипящего слоя инертного материала |
| RU2267055C1 (ru) * | 2005-01-31 | 2005-12-27 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Способ совместного сжигания природного газа и пыли углесодержащего материала в вертикальной призматической четырехгранной топке котла |
| RU2403497C2 (ru) * | 2008-10-09 | 2010-11-10 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Четырехгранная призматическая топка с вертикальными стенами (варианты) |
| RU2412397C1 (ru) * | 2009-09-09 | 2011-02-20 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Способ работы четырехгранной вертикальной топки с экранированными боковыми, задней и неэкранированной фронтовой стенами |
| RU2425285C1 (ru) * | 2010-04-12 | 2011-07-27 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Многокамерное топочное устройство |
| JP5658126B2 (ja) | 2011-11-16 | 2015-01-21 | 三菱重工業株式会社 | 油焚きバーナ、固体燃料焚きバーナユニット及び固体燃料焚きボイラ |
| JP6284345B2 (ja) * | 2013-11-15 | 2018-02-28 | 三菱日立パワーシステムズ株式会社 | ボイラ |
| JP6203033B2 (ja) * | 2013-12-17 | 2017-09-27 | 三菱日立パワーシステムズ株式会社 | ボイラ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256707A (ja) * | 1984-05-21 | 1985-12-18 | コンバツシヨン・エンヂニアリング・インコーポレーテツド | 蒸気発生装置 |
| JPS6370005A (ja) * | 1986-09-10 | 1988-03-30 | Mitsubishi Heavy Ind Ltd | ボイラ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4425855A (en) * | 1983-03-04 | 1984-01-17 | Combustion Engineering, Inc. | Secondary air control damper arrangement |
| US4940004A (en) * | 1989-07-07 | 1990-07-10 | J. H. Jansen Company, Inc. | High energy combustion air nozzle and method for improving combustion in chemical recovery boilers |
| US5020454A (en) * | 1990-10-31 | 1991-06-04 | Combustion Engineering, Inc. | Clustered concentric tangential firing system |
-
1991
- 1991-06-24 ES ES91912984T patent/ES2092573T3/es not_active Expired - Lifetime
- 1991-06-24 AU AU81086/91A patent/AU646677B2/en not_active Ceased
- 1991-06-24 BR BR919107060A patent/BR9107060A/pt active Search and Examination
- 1991-06-24 JP JP3512292A patent/JP2731794B2/ja not_active Expired - Fee Related
- 1991-06-24 EP EP91912984A patent/EP0554254B1/en not_active Expired - Lifetime
- 1991-06-24 WO PCT/US1991/004440 patent/WO1992008078A1/en not_active Ceased
- 1991-06-24 DE DE69121579T patent/DE69121579D1/de not_active Expired - Lifetime
- 1991-06-24 CA CA002091341A patent/CA2091341C/en not_active Expired - Lifetime
- 1991-06-24 HU HU9300808A patent/HUT65491A/hu unknown
- 1991-07-15 ZA ZA915500A patent/ZA915500B/xx unknown
- 1991-08-06 MX MX9100537A patent/MX9100537A/es not_active IP Right Cessation
- 1991-08-16 YU YU141991A patent/YU141991A/sh unknown
- 1991-10-29 CS CS913277A patent/CS327791A3/cs unknown
-
1993
- 1993-04-28 KR KR93701252A patent/KR970009483B1/ko not_active Expired - Fee Related
- 1993-04-29 FI FI931941A patent/FI931941A7/fi not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256707A (ja) * | 1984-05-21 | 1985-12-18 | コンバツシヨン・エンヂニアリング・インコーポレーテツド | 蒸気発生装置 |
| JPS6370005A (ja) * | 1986-09-10 | 1988-03-30 | Mitsubishi Heavy Ind Ltd | ボイラ |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913898A (zh) * | 2012-10-16 | 2013-02-06 | 东方电气集团东方锅炉股份有限公司 | 一种在前后墙对冲燃烧锅炉中的燃尽风布置方式 |
| CN102913898B (zh) * | 2012-10-16 | 2015-06-24 | 东方电气集团东方锅炉股份有限公司 | 一种在前后墙对冲燃烧锅炉中的燃尽风布置方式 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI931941A0 (fi) | 1993-04-29 |
| CS327791A3 (en) | 1992-05-13 |
| AU646677B2 (en) | 1994-03-03 |
| EP0554254A1 (en) | 1993-08-11 |
| KR930702645A (ko) | 1993-09-09 |
| CA2091341C (en) | 1995-12-05 |
| EP0554254B1 (en) | 1996-08-21 |
| WO1992008078A1 (en) | 1992-05-14 |
| JPH05507345A (ja) | 1993-10-21 |
| HU9300808D0 (en) | 1993-06-28 |
| ZA915500B (en) | 1992-04-29 |
| BR9107060A (pt) | 1993-09-14 |
| HUT65491A (en) | 1994-06-28 |
| CA2091341A1 (en) | 1992-05-01 |
| DE69121579D1 (de) | 1996-09-26 |
| FI931941A7 (fi) | 1993-04-29 |
| MX9100537A (es) | 1992-06-05 |
| YU141991A (sh) | 1995-10-03 |
| AU8108691A (en) | 1992-05-26 |
| ES2092573T3 (es) | 1996-12-01 |
| KR970009483B1 (en) | 1997-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |