BR112021017044A2 - Combustion apparatus for combustion of a powder fuel and combustion method for combustion of a powder fuel by a powder fuel combustion apparatus - Google Patents

Combustion apparatus for combustion of a powder fuel and combustion method for combustion of a powder fuel by a powder fuel combustion apparatus

Info

Publication number
BR112021017044A2
BR112021017044A2 BR112021017044A BR112021017044A BR112021017044A2 BR 112021017044 A2 BR112021017044 A2 BR 112021017044A2 BR 112021017044 A BR112021017044 A BR 112021017044A BR 112021017044 A BR112021017044 A BR 112021017044A BR 112021017044 A2 BR112021017044 A2 BR 112021017044A2
Authority
BR
Brazil
Prior art keywords
combustion
air
powder fuel
fuel
bottom portion
Prior art date
Application number
BR112021017044A
Other languages
Portuguese (pt)
Inventor
Mikio Kashiwa
Nobutsugu TANNO
Takamichi Matsushita
Original Assignee
Eco Res Institute Ltd
Nittai Machinery Co 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 Eco Res Institute Ltd, Nittai Machinery Co Ltd filed Critical Eco Res Institute Ltd
Publication of BR112021017044A2 publication Critical patent/BR112021017044A2/en

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)

Abstract

aparelho de combustão para comburir um combustível em pó e método de combustão para comburir um combustível em pó por um aparelho de combustão de combustível em pó. a invenção provê um aparelho de combustão e um método de combustão capaz de incinerar matéria a ser comburida dentro de uma câmara de combustão de maneira eficiente, sem prover um dispositivo tal como um dispositivo de medição de combustíveis não queimados e sem variar a direção de injeção de ar à câmara de combustão. o aparelho de combustão de combustível em pó 1 inclui um dispositivo de fornecimento de combustível 10, uma câmara de combustão primária 20, uma câmara de combustão secundária 50, um dispositivo de fornecimento de ar/descarga de cinzas 32 e um ciclone coletor de poeira 60. uma porção inclinada 23a é formada em uma porção de fundo 23 da câmara de combustão primária 20, e a porção inclinada 23a inclui portas de fornecimento de ar da porção de fundo 31 e um dispositivo de fornecimento de ar/descarga de cinzas 32. o dispositivo de fornecimento de ar/descarga de cinzas 32 inclui um bocal de injeção de ar da porção de fundo 34 e um dispositivo de distribuição de cinzas 35. o bocal de injeção de ar da porção de fundo 34 tem extremidades superiores e inferiores abertas e uma pluralidade de portas de injeção 34a através das quais o ar é injetado é formada em uma superfície lateral. durante a combustão do combustível em pó f, o ar tendo uma forte pressão de vento é injetado através do bocal de injeção de ar da porção de fundo 34 regular ou irregularmente para agitar o combustível em pó f e alcançar um bom estado de combustão.combustion apparatus for combustion of a powdered fuel and combustion method for combustion of a powdered fuel by a powdered fuel combustion apparatus. the invention provides a combustion apparatus and a combustion method capable of incinerating matter to be combusted within a combustion chamber efficiently, without providing a device such as a device for measuring unburned fuels and without varying the direction of injection of air to the combustion chamber. The powder fuel combustion apparatus 1 includes a fuel supply device 10, a primary combustion chamber 20, a secondary combustion chamber 50, an air supply/ash discharge device 32, and a dust collecting cyclone 60. An inclined portion 23a is formed in a bottom portion 23 of the primary combustion chamber 20, and the inclined portion 23a includes bottom portion air supply ports 31 and an air supply/ash discharge device 32. The air supply/ash discharge device 32 includes a bottom portion air injection nozzle 34 and an ash distribution device 35. The bottom portion air injection nozzle 34 has open upper and lower ends and a plurality of injection ports 34a through which air is injected is formed on a side surface. During the combustion of the powder fuel f, air having a strong wind pressure is injected through the bottom portion air injection nozzle 34 regularly or irregularly to stir the powder fuel f and achieve a good combustion state.

BR112021017044A 2019-02-28 2020-02-27 Combustion apparatus for combustion of a powder fuel and combustion method for combustion of a powder fuel by a powder fuel combustion apparatus BR112021017044A2 (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 (1)

Publication Number Publication Date
BR112021017044A2 true BR112021017044A2 (en) 2021-11-16

Family

ID=72239626

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021017044A BR112021017044A2 (en) 2019-02-28 2020-02-27 Combustion apparatus for combustion of a powder fuel and combustion method for combustion of a powder fuel by a powder fuel combustion apparatus

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)

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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
TWI740396B (en) 2021-09-21
KR20210131409A (en) 2021-11-02
EP3933264A4 (en) 2022-11-30

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