JP4015026B2 - ボイラー用の先進NOx低減法 - Google Patents
ボイラー用の先進NOx低減法 Download PDFInfo
- Publication number
- JP4015026B2 JP4015026B2 JP2002573585A JP2002573585A JP4015026B2 JP 4015026 B2 JP4015026 B2 JP 4015026B2 JP 2002573585 A JP2002573585 A JP 2002573585A JP 2002573585 A JP2002573585 A JP 2002573585A JP 4015026 B2 JP4015026 B2 JP 4015026B2
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- solid carbonaceous
- oxidant
- carbonaceous material
- grate
- 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
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Classifications
-
- 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
- F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air beyond the fire, i.e. nearer the smoke outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- 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
- F23L1/00—Passages or apertures for delivering primary air for combustion
- F23L1/02—Passages or apertures for delivering primary air for combustion by discharging the air below the fire
-
- 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
- F23L9/06—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air into the fire bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/101—Furnace arrangements with stepped or inclined grate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
- Solid-Fuel Combustion (AREA)
- Combustion Of Fluid Fuel (AREA)
Description
本発明は、固形炭質物、特に、工業および多用途ストーカーボイラーにおいて気体、液体および/または固体燃料のような他の燃料と共燃焼される、石炭、地方の固形廃棄物、バイオマス、廃棄物利用燃料などのような固形燃料、の燃焼のための方法に関する。本発明の方法および装置は、慣用的な固体燃料、廃棄物、バイオマスなどの燃焼用の工業および多用途ストーカーボイラーと比較して費用効率的に、放出物の低減、燃焼率の向上および効率面における可能な改善、および共燃焼用気体、液体および/または固体燃料消費量の低減をもたらす。
Claims (11)
- 固形炭質物の燃焼方法であって、
燃焼室に置かれたストーカー火格子上に該固形炭質物を導入して、該ストーカー火格子上に固形炭質物床を形成させ、
該固形炭質物床中への熱分解剤の連続的な導入により、該ストーカー火格子上の該固形炭質物の少くとも一部を熱分解させ、該熱分解剤が、共燃焼用固体、液体および気体燃料ならびにオキシダントのうち少くとも一種の実質的連続燃焼からの燃焼産物を含んでなり、該固形炭質物が、該熱分解の前または該熱分解と同時に予熱され、
該燃焼室中へ火格子下オキシダントを導入して、熱分解産物を含んでなる一次燃焼ゾーンを形成させ、そして
該ストーカー火格子上方の該燃焼室中へ過燃焼用オキシダントを導入して、二次燃焼ゾーンの形成をもたらす
工程を含んでなる方法。 - 共燃焼用固体、液体および気体燃料およびオキシダントのうち少くとも一種の実質的連続燃焼が、該共燃焼用固体、液体および気体燃料および該オキシダントのうち少くとも一種を固形炭質物床中へ直接的に連続導入することにより行われる、請求項1に記載の方法。
- 共燃焼用固体、液体および気体燃料およびオキシダントのうち少くとも一種の実質的連続燃焼が、ストーカー火格子の下で行われる、請求項1に記載の方法。
- 固形炭質物床が酸素欠乏ゾーンを含んでなる、請求項1に記載の方法。
- 更に、二次燃焼ゾーン上の燃焼室中へ再燃焼用燃料を導入して、還元三次燃焼ゾーンを形成させ、該還元三次燃焼ゾーンの上方へ追加の過燃焼用オキシダントを導入して、酸化四次燃焼ゾーンを形成させる、請求項1に記載の方法。
- 熱分解産物の実質的に完全な燃焼が二次燃焼ゾーンで生じる、請求項1に記載の方法。
- 燃焼室を取り囲む少くとも1つの壁;
該燃焼室の下部領域に配置された固形炭質物の床を保持するために適したストーカー火格子;
固形炭質物の該床を予熱するための予熱手段;および
バーナーにより生じる燃焼の産物が固形炭質物の床中へ直接注入されるように置かれた少なくとも一つの連続燃焼バーナーを含んでなる、固形炭質物の該床中へ熱分解剤を連続的に導入するための注入手段
を含んでなる、固形炭質物の燃焼用装置。 - 注入手段が、ストーカー火格子の下方に配置された少くとも一つの連続燃焼バーナーを含んでなる、請求項7に記載の装置。
- ストーカー火格子の上方に配置されて、該ストーカー火格子の上方の燃焼室中へ過燃焼用オキシダントを注入するようにされてなり、少くとも1つの過燃焼用オキシダントインジェクターを更に含んでなる、請求項7に記載の装置。
- 少くとも1つの過燃焼用オキシダントインジェクターの上方に配置され、該過燃焼用オキシダント上方の燃焼室中へ再燃焼用燃料を注入するようにされてなる、少くとも1つの再燃焼用燃料インジェクターを更に含んでなる、請求項7に記載の装置。
- 少くとも1つの再燃焼用燃料インジェクターの上方に配置され、該再燃焼用燃料の上方に追加の過燃焼用オキシダントを注入するようにされてなる、少くとも1つの追加過燃焼用オキシダントインジェクターを更に含んでなる、請求項10に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/810,831 US6497187B2 (en) | 2001-03-16 | 2001-03-16 | Advanced NOX reduction for boilers |
PCT/US2002/007193 WO2002075214A1 (en) | 2001-03-16 | 2002-03-12 | Advanced nox reduction for boilers |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004527718A JP2004527718A (ja) | 2004-09-09 |
JP2004527718A5 JP2004527718A5 (ja) | 2005-12-22 |
JP4015026B2 true JP4015026B2 (ja) | 2007-11-28 |
Family
ID=25204819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002573585A Expired - Fee Related JP4015026B2 (ja) | 2001-03-16 | 2002-03-12 | ボイラー用の先進NOx低減法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6497187B2 (ja) |
JP (1) | JP4015026B2 (ja) |
WO (1) | WO2002075214A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6869354B2 (en) | 2002-12-02 | 2005-03-22 | General Electric Company | Zero cooling air flow overfire air injector and related method |
US7569204B2 (en) * | 2006-02-27 | 2009-08-04 | Zeropoint Clean Tech, Inc. | Apparatus and method for controlling the gas composition produced during the gasification of carbon containing feeds |
US7775791B2 (en) | 2008-02-25 | 2010-08-17 | General Electric Company | Method and apparatus for staged combustion of air and fuel |
US9353944B1 (en) | 2009-09-03 | 2016-05-31 | Poet Research, Inc. | Combustion of high solids liquid |
GB0916358D0 (en) * | 2009-09-18 | 2009-10-28 | Pyropure Ltd | Waste treatment apparatus and method |
JP2011191041A (ja) * | 2010-03-16 | 2011-09-29 | Yamamoto Co Ltd | 木質ペレット燃焼装置 |
CN102563614B (zh) * | 2010-11-01 | 2015-02-18 | 中国科学院过程工程研究所 | 一种预燃式机械炉排解耦燃烧炉及其燃烧方法 |
CN104390229B (zh) * | 2014-11-03 | 2016-08-24 | 郭强 | 采取分段送风的锅炉的送风方法 |
CA2984198A1 (en) * | 2015-04-30 | 2016-11-03 | Domenico TANFOGLIO | Pyrolysis furnace |
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US3357375A (en) | 1965-08-17 | 1967-12-12 | Prenco Mfg Company | Incineration of industrial waste, and apparatus |
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US4385567A (en) * | 1980-10-24 | 1983-05-31 | Solid Fuels, Inc. | Solid fuel conversion system |
US4381718A (en) * | 1980-11-17 | 1983-05-03 | Carver George P | Low emissions process and burner |
US4347119A (en) * | 1980-11-21 | 1982-08-31 | Thomas Delbert D | Horizontal oil shale and tar sands retort |
JPS5837415A (ja) * | 1981-08-28 | 1983-03-04 | 株式会社 タクマ | 低NOx用ごみ焼却炉 |
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-
2001
- 2001-03-16 US US09/810,831 patent/US6497187B2/en not_active Expired - Fee Related
-
2002
- 2002-03-12 WO PCT/US2002/007193 patent/WO2002075214A1/en active Application Filing
- 2002-03-12 JP JP2002573585A patent/JP4015026B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020129752A1 (en) | 2002-09-19 |
WO2002075214A1 (en) | 2002-09-26 |
WO2002075214B1 (en) | 2003-01-09 |
JP2004527718A (ja) | 2004-09-09 |
US6497187B2 (en) | 2002-12-24 |
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