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

Fluidized bed furnace with a stationary bed Download PDF

Info

Publication number: EP0475029A3
Authority: EP; European Patent Office
Prior art keywords: bed; stationary; furnace; fluidized; fluidized bed
Prior art date: 1990-09-13
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

1990-09-13

Filing date

1991-07-23

Publication date

1992-09-16

1991-07-23 Application filed by Deutsche Babcock Werke Energie und Umwelttechnik AG filed Critical Deutsche Babcock Werke Energie und Umwelttechnik AG

1992-03-18 Publication of EP0475029A2 publication Critical patent/EP0475029A2/en

1992-09-16 Publication of EP0475029A3 publication Critical patent/EP0475029A3/en

Status Withdrawn legal-status Critical Current

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

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)

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
DE4029065		1990-09-13
DE19904029065 DE4029065A1 (en)	1990-09-13	1990-09-13	Fluidized bed firing with a stationary fluidized bed

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
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
EP0369004B1 (en) *	1987-07-20	1993-02-10	Ebara Corporation	Internal circulation type fluidized bed boiler and method of controlling same

1990
- 1990-09-13 DE DE19904029065 patent/DE4029065A1/en not_active Withdrawn
1991
- 1991-06-24 AU AU79219/91A patent/AU641022B2/en not_active Ceased
- 1991-07-23 EP EP19910112289 patent/EP0475029A3/en not_active Withdrawn
- 1991-08-30 JP JP29998791A patent/JPH05346203A/en active Pending
- 1991-09-11 PL PL29168791A patent/PL291687A1/en unknown
- 1991-09-13 CS CS912815A patent/CS281591A3/en unknown

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

Publication	Publication Date	Title
GB2243291B (en)	1992-11-25	Bed
GB9403719D0 (en)	1994-04-13	A movable hanging bed
GB9000528D0 (en)	1990-03-14	Fixed bed reactor
EP0475029A3 (en)	1992-09-16	Fluidized bed furnace with a stationary bed
GB2266453B (en)	1996-05-01	A childs bed
GB9103358D0 (en)	1991-04-03	A pellet implantor
GB2246793B (en)	1994-09-21	Deposition employing fluidised bed
PL286125A1 (en)	1992-01-27	Fluidized bed furnace
PL285056A1 (en)	1991-11-04	Fluidized bed furnace
GB2253601B (en)	1995-04-05	Arrangement including a railborne steelworks vehicle
AU110161S (en)	1991-01-30	A bed
AU109292S (en)	1990-10-26	A bed
GB9100038D0 (en)	1991-02-20	Beds
AU117390S (en)	1993-06-17	A bed
CS698790A3 (en)	1992-07-15	Two-jacket fluidized bed unit
AU109468S (en)	1990-11-05	A grate
AU114638S (en)	1992-07-29	A grate
AU118046S (en)	1993-08-26	A bed
AU116767S (en)	1993-04-15	A bed
PL286161A1 (en)	1992-01-27	Anaerobous bed
GB9023436D0 (en)	1990-12-12	Bed
GB9000296D0 (en)	1990-03-07	Floatonair bed
GB8903677D0 (en)	1989-04-05	A bed
PH25668A (en)	1991-09-04	A convertibel bed
GB9102150D0 (en)	1991-03-20	Tuyere

Legal Events

Date	Code	Title	Description
1992-01-31	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1992-03-18	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-07-30	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-09-16	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-10-21	17P	Request for examination filed	Effective date: 19920826
1994-03-16	17Q	First examination report despatched	Effective date: 19940131
1995-01-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1995-03-15	18D	Application deemed to be withdrawn	Effective date: 19940920