WO2011114297A3 - Wall construction for a boiler arrangement - Google Patents

Wall construction for a boiler arrangement Download PDF

Info

Publication number
WO2011114297A3
WO2011114297A3 PCT/IB2011/051099 IB2011051099W WO2011114297A3 WO 2011114297 A3 WO2011114297 A3 WO 2011114297A3 IB 2011051099 W IB2011051099 W IB 2011051099W WO 2011114297 A3 WO2011114297 A3 WO 2011114297A3
Authority
WO
WIPO (PCT)
Prior art keywords
furnace
bottom part
wall construction
boiler arrangement
separator
Prior art date
Application number
PCT/IB2011/051099
Other languages
French (fr)
Other versions
WO2011114297A2 (en
Inventor
Arthur Hansen
Original Assignee
Foster Wheeler North America Corp.
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 North America Corp. filed Critical Foster Wheeler North America Corp.
Priority to JP2012557650A priority Critical patent/JP2013527905A/en
Priority to EP11715036A priority patent/EP2547958A2/en
Priority to RU2012144342/06A priority patent/RU2012144342A/en
Priority to CN2011800144816A priority patent/CN103168199A/en
Priority to KR1020127024734A priority patent/KR20120125380A/en
Publication of WO2011114297A2 publication Critical patent/WO2011114297A2/en
Publication of WO2011114297A3 publication Critical patent/WO2011114297A3/en

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
    • F23C10/08—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
    • 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
    • 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 
    • F23C2206/00—Fluidised bed combustion
    • F23C2206/10—Circulating fluidised bed
    • F23C2206/103—Cooling recirculating particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

A wall construction for a boiler arrangement (10). The boiler arrangement is formed of at least a furnace (12) and a separator (16). The furnace has a grid, a bottom part, and an upper part. The separator is arranged by conduits (70) in flow communication with both the upper part and the bottom part of the furnace. The conduits, together with the separator, form an external circulation of bed material. The upper part of the furnace has four vertical walls, and the bottom part of the furnace has a height and four walls extending from the grid up to the vertical walls. The wall construction includes at least one hollow beam being attached to a wall of the bottom part of the furnace and extending substantially over the entire height of the bottom part, and the at least one hollow beam being in flow communication with the external circulation for returning bed material into the furnace.
PCT/IB2011/051099 2010-03-18 2011-03-16 Wall construction for a boiler arrangement WO2011114297A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012557650A JP2013527905A (en) 2010-03-18 2011-03-16 Wall structure for boiler equipment
EP11715036A EP2547958A2 (en) 2010-03-18 2011-03-16 Wall construction for a boiler arrangement
RU2012144342/06A RU2012144342A (en) 2010-03-18 2011-03-16 WALL DESIGN FOR BOILER INSTALLATION
CN2011800144816A CN103168199A (en) 2010-03-18 2011-03-16 Wall construction for a boiler arrangement
KR1020127024734A KR20120125380A (en) 2010-03-18 2011-03-16 Wall construction for a boiler arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/726,406 US20110226195A1 (en) 2010-03-18 2010-03-18 Wall Construction for a Boiler Arrangement
US12/726,406 2010-03-18

Publications (2)

Publication Number Publication Date
WO2011114297A2 WO2011114297A2 (en) 2011-09-22
WO2011114297A3 true WO2011114297A3 (en) 2013-04-25

Family

ID=44484059

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/051099 WO2011114297A2 (en) 2010-03-18 2011-03-16 Wall construction for a boiler arrangement

Country Status (7)

Country Link
US (1) US20110226195A1 (en)
EP (1) EP2547958A2 (en)
JP (1) JP2013527905A (en)
KR (1) KR20120125380A (en)
CN (1) CN103168199A (en)
RU (1) RU2012144342A (en)
WO (1) WO2011114297A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10443836B2 (en) * 2016-09-07 2019-10-15 Doosan Lentjes Gmbh Circulating fluidized bed apparatus
US10907757B2 (en) * 2017-07-11 2021-02-02 General Electric Technology Gmbh System and method for connecting duct components in a boiler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023703A1 (en) * 1992-05-21 1993-11-25 A. Ahlstrom Corporation Method and apparatus for providing a gas seal in a return duct and/or controlling the circulating mass flow in a circulating fluidized bed reactor
WO1994011671A1 (en) * 1992-11-10 1994-05-26 A. Ahlstrom Corporation Method and apparatus for operating a circulating fluidized bed reactor system
WO1994011674A1 (en) * 1992-11-10 1994-05-26 A. Ahlstrom Corporation Method and apparatus for operating a circulating fluidized bed reactor system
WO1997039282A1 (en) * 1996-04-12 1997-10-23 Abb Carbon Ab A fluidized bed combustion plant, equipped with means for distributing recirculated material in the bed

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814063A (en) * 1973-07-13 1974-06-04 Babcock & Wilcox Ltd Support of tube walls
US5465690A (en) * 1994-04-12 1995-11-14 A. Ahlstrom Corporation Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler
FI107758B (en) * 1999-11-10 2001-09-28 Foster Wheeler Energia Oy Reactor with circulating fluidized bed
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023703A1 (en) * 1992-05-21 1993-11-25 A. Ahlstrom Corporation Method and apparatus for providing a gas seal in a return duct and/or controlling the circulating mass flow in a circulating fluidized bed reactor
WO1994011671A1 (en) * 1992-11-10 1994-05-26 A. Ahlstrom Corporation Method and apparatus for operating a circulating fluidized bed reactor system
WO1994011674A1 (en) * 1992-11-10 1994-05-26 A. Ahlstrom Corporation Method and apparatus for operating a circulating fluidized bed reactor system
WO1997039282A1 (en) * 1996-04-12 1997-10-23 Abb Carbon Ab A fluidized bed combustion plant, equipped with means for distributing recirculated material in the bed

Also Published As

Publication number Publication date
WO2011114297A2 (en) 2011-09-22
KR20120125380A (en) 2012-11-14
CN103168199A (en) 2013-06-19
US20110226195A1 (en) 2011-09-22
EP2547958A2 (en) 2013-01-23
RU2012144342A (en) 2014-04-27
JP2013527905A (en) 2013-07-04

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