EP2499429A4 - Method and arrangement for feeding fuel into a circulating fluidized bed boiler - Google Patents

Method and arrangement for feeding fuel into a circulating fluidized bed boiler

Info

Publication number
EP2499429A4
EP2499429A4 EP10829569.2A EP10829569A EP2499429A4 EP 2499429 A4 EP2499429 A4 EP 2499429A4 EP 10829569 A EP10829569 A EP 10829569A EP 2499429 A4 EP2499429 A4 EP 2499429A4
Authority
EP
European Patent Office
Prior art keywords
arrangement
fluidized bed
circulating fluidized
bed boiler
feeding 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.)
Withdrawn
Application number
EP10829569.2A
Other languages
German (de)
French (fr)
Other versions
EP2499429A1 (en
Inventor
Marcin Klajny
Pertti Kinnunen
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.)
Amec Foster Wheeler Energia Oy
Original Assignee
Foster Wheeler Energia Oy
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 Foster Wheeler Energia Oy filed Critical Foster Wheeler Energia Oy
Publication of EP2499429A1 publication Critical patent/EP2499429A1/en
Publication of EP2499429A4 publication Critical patent/EP2499429A4/en
Withdrawn legal-status Critical Current

Links

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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/06—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone the circulating movement being promoted by inducing differing degrees of fluidisation in different parts of the 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/18—Details; Accessories
    • F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
    • 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • F22B31/0007—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed
    • F22B31/0084—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed with recirculation of separated solids or with cooling of the bed particles outside the combustion 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/18—Details; Accessories
    • F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
EP10829569.2A 2009-11-10 2010-10-29 Method and arrangement for feeding fuel into a circulating fluidized bed boiler Withdrawn EP2499429A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20096170A FI20096170A (en) 2009-11-10 2009-11-10 Method and apparatus for feeding fuel into a circulating fluidized boiler
PCT/FI2010/050863 WO2011058218A1 (en) 2009-11-10 2010-10-29 Method and arrangement for feeding fuel into a circulating fluidized bed boiler

Publications (2)

Publication Number Publication Date
EP2499429A1 EP2499429A1 (en) 2012-09-19
EP2499429A4 true EP2499429A4 (en) 2014-12-17

Family

ID=41395219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10829569.2A Withdrawn EP2499429A4 (en) 2009-11-10 2010-10-29 Method and arrangement for feeding fuel into a circulating fluidized bed boiler

Country Status (8)

Country Link
US (1) US20120251959A1 (en)
EP (1) EP2499429A4 (en)
JP (1) JP2013510288A (en)
KR (1) KR101378739B1 (en)
CN (1) CN102725587A (en)
CA (1) CA2778991A1 (en)
FI (1) FI20096170A (en)
WO (1) WO2011058218A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122040B (en) * 2009-11-10 2011-07-29 Foster Wheeler Energia Oy Process and arrangement for feeding fuel into a boiler with circulating fluidized beds
WO2014116724A1 (en) 2013-01-22 2014-07-31 Anellotech, Inc. Gas jet injector reactor for catalytic fast pyrolysis
CN103604120B (en) * 2013-10-18 2016-01-20 河北省电力勘测设计研究院 For the block-proof arch-breaking shape raw coal bucket of CFBB

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335662A (en) * 1980-09-12 1982-06-22 Combustion Engineering, Inc. Solid fuel feed system for a fluidized bed
US4777889A (en) * 1987-05-22 1988-10-18 Smith Richard D Fluidized bed mass burner for solid waste
WO1989005942A1 (en) * 1986-06-12 1989-06-29 Götaverken Energy Aktiebolag Method and reactor for combustion in a fluidised bed

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100223A (en) * 1980-01-16 1981-08-12 Babcock Hitachi Kk Fluidized layer furnace for incinerating ash of heavy crude oil
JPS5981933U (en) * 1982-11-25 1984-06-02 バブコツク日立株式会社 Fluidized bed equipment
CA1261204A (en) * 1985-06-20 1989-09-26 Erwin Wied Process for operating a fluidized bed burner
JPS6365220A (en) * 1986-09-05 1988-03-23 Ebara Corp Thermal reaction furnace with fluidized bed layer
US4955295A (en) * 1989-08-18 1990-09-11 Foster Wheeler Energy Corporation Method and system for controlling the backflow sealing efficiency and recycle rate in fluidized bed reactors
JPH03168510A (en) * 1989-11-29 1991-07-22 Nkk Corp Combustion stabilizer for fluidized-bed incinerator
US5840258A (en) * 1992-11-10 1998-11-24 Foster Wheeler Energia Oy Method and apparatus for transporting solid particles from one chamber to another chamber
JP2795599B2 (en) * 1993-09-10 1998-09-10 日立造船株式会社 Fluid bed incinerator
DE19948332B4 (en) * 1999-10-07 2005-09-22 Steer, Thomas, Dr.-Ing. Method and apparatus for obtaining high calorific fuels
JP2003042424A (en) * 2001-07-26 2003-02-13 Tsukishima Kikai Co Ltd Fluidized bed furnace, and supply method for solid incinerated substance with low specific gravity to the fluidized bed furnace
FI114115B (en) * 2003-04-15 2004-08-13 Foster Wheeler Energia Oy Fluidized bed reactor includes vertical auxiliary channel having lower part with nozzles and flow conduit to connect channel to furnace, and upper part with flow conduit to connect channel to heat exchange chamber
US8069824B2 (en) * 2008-06-19 2011-12-06 Nalco Mobotec, Inc. Circulating fluidized bed boiler and method of operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335662A (en) * 1980-09-12 1982-06-22 Combustion Engineering, Inc. Solid fuel feed system for a fluidized bed
WO1989005942A1 (en) * 1986-06-12 1989-06-29 Götaverken Energy Aktiebolag Method and reactor for combustion in a fluidised bed
US4777889A (en) * 1987-05-22 1988-10-18 Smith Richard D Fluidized bed mass burner for solid waste

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011058218A1 *

Also Published As

Publication number Publication date
US20120251959A1 (en) 2012-10-04
WO2011058218A1 (en) 2011-05-19
EP2499429A1 (en) 2012-09-19
KR101378739B1 (en) 2014-03-27
KR20120079845A (en) 2012-07-13
FI20096170A0 (en) 2009-11-10
JP2013510288A (en) 2013-03-21
CN102725587A (en) 2012-10-10
FI20096170A (en) 2011-05-11
CA2778991A1 (en) 2011-05-19

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