EP3933264A4 - Powder fuel combustion apparatus and combustion method - Google Patents

Powder fuel combustion apparatus and combustion method Download PDF

Info

Publication number
EP3933264A4
EP3933264A4 EP20762202.8A EP20762202A EP3933264A4 EP 3933264 A4 EP3933264 A4 EP 3933264A4 EP 20762202 A EP20762202 A EP 20762202A EP 3933264 A4 EP3933264 A4 EP 3933264A4
Authority
EP
European Patent Office
Prior art keywords
combustion
powder fuel
combustion apparatus
fuel combustion
combustion method
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
Application number
EP20762202.8A
Other languages
German (de)
French (fr)
Other versions
EP3933264A1 (en
Inventor
Takamichi Matsushita
Mikio Kashiwa
Nobutsugu Tanno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nittai Machinery Co Ltd
Eco Research Institute Ltd
Original Assignee
Nittai Machinery Co Ltd
Eco Research Institute Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nittai Machinery Co Ltd, Eco Research Institute Ltd filed Critical Nittai Machinery Co Ltd
Publication of EP3933264A1 publication Critical patent/EP3933264A1/en
Publication of EP3933264A4 publication Critical patent/EP3933264A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
    • 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 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • 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 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • 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 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • F23C6/042—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with fuel supply in stages
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/003—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for pulverulent fuel
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/06—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for completing combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
    • 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 
    • 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
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/06041—Staged supply of oxidant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/31019—Mixing tubes and burner heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Gasification And Melting Of Waste (AREA)
EP20762202.8A 2019-02-28 2020-02-27 Powder fuel combustion apparatus and combustion method Pending EP3933264A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019036448A JP6989876B2 (en) 2019-02-28 2019-02-28 Powder fuel combustion device and combustion method
PCT/JP2020/008123 WO2020175639A1 (en) 2019-02-28 2020-02-27 Powder fuel combustion apparatus and combustion method

Publications (2)

Publication Number Publication Date
EP3933264A1 EP3933264A1 (en) 2022-01-05
EP3933264A4 true EP3933264A4 (en) 2022-11-30

Family

ID=72239626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20762202.8A Pending EP3933264A4 (en) 2019-02-28 2020-02-27 Powder fuel combustion apparatus and combustion method

Country Status (9)

Country Link
US (1) US20220120441A1 (en)
EP (1) EP3933264A4 (en)
JP (1) JP6989876B2 (en)
KR (1) KR102540051B1 (en)
CN (1) CN113544433B (en)
BR (1) BR112021017044A2 (en)
CA (1) CA3130559C (en)
TW (1) TWI740396B (en)
WO (1) WO2020175639A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323018A (en) * 1979-06-15 1982-04-06 Hokkaido Sugar Co., Ltd. Method for generation of hot gas by incineration of combustile material and apparatus for generation of hot gas by incineration of combustible material
DE3130813A1 (en) * 1981-08-04 1983-03-24 Imai, Takeshi, São Paulo Device for gasifying coal, in particular charcoal
JP2017015268A (en) * 2015-06-29 2017-01-19 株式会社Ｉｈｉ環境エンジニアリング Burner

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JP2951493B2 (en) * 1992-11-19 1999-09-20 株式会社マルコシエンジニアリング Dry distillation gasifier for polymer waste
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JP2957941B2 (en) * 1996-03-01 1999-10-06 有限会社伊勢工業所 Incinerator
JP3891958B2 (en) * 2003-05-23 2007-03-14 三菱重工業株式会社 Combustion apparatus and method
JP2005291539A (en) * 2004-03-31 2005-10-20 Babcock Hitachi Kk Preparatory treatment of biomass fuel, mixed combustion method, and mixed combustion device
JP4830140B2 (en) * 2006-03-31 2011-12-07 Ｄｏｗａエコシステム株式会社 Combustion control method and incinerator
JP2008139010A (en) * 2006-11-09 2008-06-19 Kokubun Nojo Kk Combustion device
JP2008286451A (en) * 2007-05-16 2008-11-27 Kiyomi Yoshimura Biomass fuel combustion device
JP5380836B2 (en) 2007-12-25 2014-01-08 セイコーエプソン株式会社 Recording medium heating apparatus, recording apparatus, and recording medium heating method
CN201262392Y (en) * 2008-07-29 2009-06-24 新疆电力科学研究院 Anti-coking secondary air combustor of pulverized coal fired boiler
JP5437734B2 (en) * 2009-08-07 2014-03-12 株式会社荏原製作所 Combustion exhaust gas treatment equipment
CN201539876U (en) * 2009-08-23 2010-08-04 宁波市镇海捷登应用技术研究所 Combustion-supporting device of furnace
JP5568394B2 (en) * 2010-07-06 2014-08-06 榮 村田 Incinerator
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JP6596351B2 (en) 2016-02-15 2019-10-23 三菱日立パワーシステムズ株式会社 boiler
CN107543146B (en) * 2016-06-24 2020-06-23 荏原环境工程株式会社 Combustion device and boiler
JP2019172713A (en) 2016-10-17 2019-10-10 ジェイアンドジー テクノロジーズ, エルエルシーJ&G Technologies, LLC Device of producing carbonized fuel, and method of producing carbonized fuel
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323018A (en) * 1979-06-15 1982-04-06 Hokkaido Sugar Co., Ltd. Method for generation of hot gas by incineration of combustile material and apparatus for generation of hot gas by incineration of combustible material
DE3130813A1 (en) * 1981-08-04 1983-03-24 Imai, Takeshi, São Paulo Device for gasifying coal, in particular charcoal
JP2017015268A (en) * 2015-06-29 2017-01-19 株式会社Ｉｈｉ環境エンジニアリング Burner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020175639A1 *

Also Published As

Publication number Publication date
CA3130559A1 (en) 2020-09-03
KR102540051B1 (en) 2023-06-08
CN113544433B (en) 2024-03-26
EP3933264A1 (en) 2022-01-05
WO2020175639A1 (en) 2020-09-03
US20220120441A1 (en) 2022-04-21
JP2020139702A (en) 2020-09-03
CN113544433A (en) 2021-10-22
TW202037847A (en) 2020-10-16
JP6989876B2 (en) 2022-01-12
CA3130559C (en) 2024-01-16
BR112021017044A2 (en) 2021-11-16
TWI740396B (en) 2021-09-21
KR20210131409A (en) 2021-11-02

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