WO2007028709A3 - Steam generator, power plant comprising a steam generator and method for operating a steam generator - Google Patents

Steam generator, power plant comprising a steam generator and method for operating a steam generator Download PDF

Info

Publication number
WO2007028709A3
WO2007028709A3 PCT/EP2006/065568 EP2006065568W WO2007028709A3 WO 2007028709 A3 WO2007028709 A3 WO 2007028709A3 EP 2006065568 W EP2006065568 W EP 2006065568W WO 2007028709 A3 WO2007028709 A3 WO 2007028709A3
Authority
WO
WIPO (PCT)
Prior art keywords
steam generator
combustion chamber
fluidised bed
bed combustion
operating
Prior art date
Application number
PCT/EP2006/065568
Other languages
German (de)
French (fr)
Other versions
WO2007028709A2 (en
Inventor
Juergen Karl
Original Assignee
Siemens Ag
Juergen Karl
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 Siemens Ag, Juergen Karl filed Critical Siemens Ag
Priority to EP06792951A priority Critical patent/EP1926935A2/en
Publication of WO2007028709A2 publication Critical patent/WO2007028709A2/en
Publication of WO2007028709A3 publication Critical patent/WO2007028709A3/en

Links

Classifications

    • 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 or dispositions of combustion apparatus
    • F22B31/0007—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus with combustion in a fluidized 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
    • F23C10/002—Fluidised bed combustion apparatus for pulverulent solid 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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • 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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/007—Supplying oxygen or oxygen-enriched air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Air Supply (AREA)

Abstract

The invention relates to a steam generator (2), which is heated by the combustion of fuel containing carbon according to the Oxyfuel-method. The aim of the invention is to obtain a particularly high energetic degree of efficiency and to also maintain low residue emissions and at the same time keeping the construction and operation thereof simple and economical and by reverting to suitable fuelling concepts. The inventive steam generator (2) comprises a fluidised bed combustion chamber (8) which is cooled by means of a number of immersion heating surfaces (24) and which comprises a number of oxygen inlet openings (16) which are arranged in the region of the base of the combustion chamber, wherein pure oxygen (O2) is guided via the fluidised bed combustion chamber (8), and is effective as an oxidation agent and as a fluidisation agent and is produced by an associated air separation system, when in operation. The fluidised bed combustion chamber (8) is fitted such that it can work with a stationary fluidised bed.
PCT/EP2006/065568 2005-09-05 2006-08-22 Steam generator, power plant comprising a steam generator and method for operating a steam generator WO2007028709A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06792951A EP1926935A2 (en) 2005-09-05 2006-08-22 Steam generator, power plant comprising a steam generator and method for operating a steam generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005042232 2005-09-05
DE102005042232.2 2005-09-05

Publications (2)

Publication Number Publication Date
WO2007028709A2 WO2007028709A2 (en) 2007-03-15
WO2007028709A3 true WO2007028709A3 (en) 2007-06-28

Family

ID=37836188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/065568 WO2007028709A2 (en) 2005-09-05 2006-08-22 Steam generator, power plant comprising a steam generator and method for operating a steam generator

Country Status (2)

Country Link
EP (1) EP1926935A2 (en)
WO (1) WO2007028709A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559387A1 (en) * 1992-03-02 1993-09-08 Foster Wheeler Energy Corporation Expansion seal assembly
JPH07269828A (en) * 1994-03-30 1995-10-20 Kawasaki Heavy Ind Ltd Method and device for promoting mixing of fluid substances
EP1030150A1 (en) * 1997-11-04 2000-08-23 Ebara Corporation Fluidized bed gasification combustion furnace
US6505567B1 (en) * 2001-11-26 2003-01-14 Alstom (Switzerland) Ltd Oxygen fired circulating fluidized bed steam generator
DE102004059359A1 (en) * 2003-12-01 2005-06-23 Technische Universität Dresden Process for burning fossil fuel in oxyfuel process power plants

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559387A1 (en) * 1992-03-02 1993-09-08 Foster Wheeler Energy Corporation Expansion seal assembly
JPH07269828A (en) * 1994-03-30 1995-10-20 Kawasaki Heavy Ind Ltd Method and device for promoting mixing of fluid substances
EP1030150A1 (en) * 1997-11-04 2000-08-23 Ebara Corporation Fluidized bed gasification combustion furnace
US6505567B1 (en) * 2001-11-26 2003-01-14 Alstom (Switzerland) Ltd Oxygen fired circulating fluidized bed steam generator
DE102004059359A1 (en) * 2003-12-01 2005-06-23 Technische Universität Dresden Process for burning fossil fuel in oxyfuel process power plants

Also Published As

Publication number Publication date
WO2007028709A2 (en) 2007-03-15
EP1926935A2 (en) 2008-06-04

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