EP0475029A3 - Fluidized bed furnace with a stationary bed - Google Patents

Fluidized bed furnace with a stationary bed Download PDF

Info

Publication number
EP0475029A3
EP0475029A3 EP19910112289 EP91112289A EP0475029A3 EP 0475029 A3 EP0475029 A3 EP 0475029A3 EP 19910112289 EP19910112289 EP 19910112289 EP 91112289 A EP91112289 A EP 91112289A EP 0475029 A3 EP0475029 A3 EP 0475029A3
Authority
EP
European Patent Office
Prior art keywords
bed
stationary
furnace
fluidized
fluidized bed
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Withdrawn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
EP19910112289
Other languages
German (de)
Other versions
EP0475029A2 (en
Inventor
Karl Heinz Maintok
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.)
Deutsche Babcock Werke Energie und Umwelttechnik AG
Original Assignee
Deutsche Babcock Werke Energie und Umwelttechnik AG
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 Deutsche Babcock Werke Energie und Umwelttechnik AG filed Critical Deutsche Babcock Werke Energie und Umwelttechnik AG
Publication of EP0475029A2 publication Critical patent/EP0475029A2/en
Publication of EP0475029A3 publication Critical patent/EP0475029A3/en
Withdrawn legal-status Critical Current

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 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
    • F22B31/0015—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 for boilers of the water tube type
    • F22B31/003—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 for boilers of the water tube type with tubes surrounding the bed or with water tube wall partitions
    • 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
    • F23C10/02—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
    • F23C10/24—Devices for removal of material from the bed
    • F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
    • 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
EP19910112289 1990-09-13 1991-07-23 Fluidized bed furnace with a stationary bed Withdrawn EP0475029A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904029065 DE4029065A1 (en) 1990-09-13 1990-09-13 Fluidized bed firing with a stationary fluidized bed
DE4029065 1990-09-13

Publications (2)

Publication Number Publication Date
EP0475029A2 EP0475029A2 (en) 1992-03-18
EP0475029A3 true EP0475029A3 (en) 1992-09-16

Family

ID=6414183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910112289 Withdrawn EP0475029A3 (en) 1990-09-13 1991-07-23 Fluidized bed furnace with a stationary bed

Country Status (6)

Country Link
EP (1) EP0475029A3 (en)
JP (1) JPH05346203A (en)
AU (1) AU641022B2 (en)
CS (1) CS281591A3 (en)
DE (1) DE4029065A1 (en)
PL (1) PL291687A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567919A (en) * 1993-12-22 1996-10-22 Combustion Engineering, Inc. Gravimetric feeding system for boiler fuel and sorbent
DE4408635C2 (en) * 1994-03-09 1997-03-27 Ver Energiewerke Ag Method and arrangement for supplying pre-crushed coal, in particular raw lignite, to a circulating pressure-charged fluidized bed furnace
CN104566947A (en) * 2013-10-17 2015-04-29 无锡东马锅炉科技有限公司 Hot-water steam co-production boiler device and method
CN103604116A (en) * 2013-11-22 2014-02-26 张建存 Device and method for reducing oxynitrides smoke product of circulating fluidized bed boiler

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037858A1 (en) * 1980-04-16 1981-10-21 BBC Aktiengesellschaft Brown, Boveri & Cie. Steam power station with pressure-fired fluidised bed steam generator
EP0152529A2 (en) * 1984-02-21 1985-08-28 Deutsche Babcock Werke Aktiengesellschaft Steam generator with a stationary fluidized bed combuster
EP0226140A2 (en) * 1985-12-16 1987-06-24 Steag Ag Method and apparatus for the combustion of solid fuels in a circulating fluidized bed
DE3638766A1 (en) * 1986-11-13 1988-05-26 Steinmueller Gmbh L & C Method of combustion of carbonaceous materials in a fluidised-bed reactor, and steam generator for implementing the method
EP0289281A1 (en) * 1987-04-27 1988-11-02 Foster Wheeler Energy Corporation Fluidized bed reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000659A1 (en) * 1987-07-20 1989-01-26 Ebara Corporation Internal circulation type fluidized bed boiler and method of controlling same
US4665864A (en) * 1986-07-14 1987-05-19 Foster Wheeler Energy Corporation Steam generator and method of operating a steam generator utilizing separate fluid and combined gas flow circuits
US4714049A (en) * 1986-10-08 1987-12-22 Dorr-Oliver Incorporated Apparatus to reduce or eliminate fluid bed tube erosion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037858A1 (en) * 1980-04-16 1981-10-21 BBC Aktiengesellschaft Brown, Boveri & Cie. Steam power station with pressure-fired fluidised bed steam generator
EP0152529A2 (en) * 1984-02-21 1985-08-28 Deutsche Babcock Werke Aktiengesellschaft Steam generator with a stationary fluidized bed combuster
EP0226140A2 (en) * 1985-12-16 1987-06-24 Steag Ag Method and apparatus for the combustion of solid fuels in a circulating fluidized bed
DE3638766A1 (en) * 1986-11-13 1988-05-26 Steinmueller Gmbh L & C Method of combustion of carbonaceous materials in a fluidised-bed reactor, and steam generator for implementing the method
EP0289281A1 (en) * 1987-04-27 1988-11-02 Foster Wheeler Energy Corporation Fluidized bed reactor

Also Published As

Publication number Publication date
DE4029065A1 (en) 1992-03-19
EP0475029A2 (en) 1992-03-18
AU641022B2 (en) 1993-09-09
CS281591A3 (en) 1992-03-18
AU7921991A (en) 1992-03-19
JPH05346203A (en) 1993-12-27
PL291687A1 (en) 1992-06-26

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