CS277465B6 - Fluidized bed furnace with reversible conveyance of solid substances - Google Patents

Fluidized bed furnace with reversible conveyance of solid substances Download PDF

Info

Publication number
CS277465B6
CS277465B6 CS895762A CS576289A CS277465B6 CS 277465 B6 CS277465 B6 CS 277465B6 CS 895762 A CS895762 A CS 895762A CS 576289 A CS576289 A CS 576289A CS 277465 B6 CS277465 B6 CS 277465B6
Authority
CS
Czechoslovakia
Prior art keywords
fluidized bed
downcomer
raw coal
solids
section
Prior art date
Application number
CS895762A
Other languages
Czech (cs)
English (en)
Other versions
CS8905762A2 (en
Inventor
Horst Dipl Ing Buchmuller
Gerd Dipl Ing Morawski
Original Assignee
Babcock Werke 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 Babcock Werke Ag filed Critical Babcock Werke Ag
Publication of CS8905762A2 publication Critical patent/CS8905762A2/cs
Publication of CS277465B6 publication Critical patent/CS277465B6/cs

Links

Classifications

    • 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
    • B01J8/38—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 with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/384—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 with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
    • B01J8/388—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 with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
CS895762A 1988-10-15 1989-10-12 Fluidized bed furnace with reversible conveyance of solid substances CS277465B6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3835172A DE3835172A1 (de) 1988-10-15 1988-10-15 Wirbelschichtfeuerung mit feststoffrueckfuehrung

Publications (2)

Publication Number Publication Date
CS8905762A2 CS8905762A2 (en) 1991-09-15
CS277465B6 true CS277465B6 (en) 1993-03-17

Family

ID=6365201

Family Applications (1)

Application Number Title Priority Date Filing Date
CS895762A CS277465B6 (en) 1988-10-15 1989-10-12 Fluidized bed furnace with reversible conveyance of solid substances

Country Status (5)

Country Link
US (1) US4917025A (fi)
CA (1) CA1320661C (fi)
CS (1) CS277465B6 (fi)
DD (1) DD284960A5 (fi)
DE (1) DE3835172A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450802A (en) * 1993-11-23 1995-09-19 Villamosnergiaipari Kutato Intezet Fluidized bed combustion apparatus with partitioned combustion chamber
US5735682A (en) * 1994-08-11 1998-04-07 Foster Wheeler Energy Corporation Fluidized bed combustion system having an improved loop seal valve
DE10300838A1 (de) * 2003-01-10 2004-07-22 Alstom Power Boiler Gmbh Zirkulierender Wirbelschichteaktor
FI121284B (fi) * 2008-11-06 2010-09-15 Foster Wheeler Energia Oy Kiertoleijupetikattila

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145581A (en) * 1978-04-10 1979-03-20 Napco Security Systems, Inc. Automatic telephone dialer for use in intrusion detection systems
US4419965A (en) * 1981-11-16 1983-12-13 Foster Wheeler Energy Corporation Fluidized reinjection of carryover in a fluidized bed combustor
DD203619A1 (de) * 1982-01-05 1983-10-26 Dampferzeugerbau Veb K Einrichtung zum stetigen transport feuchter stoffe
US4442797A (en) * 1983-01-24 1984-04-17 Electrodyne Research Corporation Gas and particle separation means for a steam generator circulating fluidized bed firing system
US4473033A (en) * 1983-08-01 1984-09-25 Electrodyne Research Corp. Circulating fluidized bed steam generator having means for minimizing mass of solid materials recirculated
FR2560967B1 (fr) * 1984-03-08 1988-08-26 Creusot Loire Procede et appareillage de controle du transfert thermique realise dans un lit fluidise
US4598653A (en) * 1984-09-12 1986-07-08 Stearns Catalytic World Corporation Combustion system for burning fuel having various particle sizes
SE452359C (sv) * 1985-04-30 1994-04-11 Kvaerner Generator Ab Anordning för styrning av värmeövergångstalet vid en CFB-panna
DK158531C (da) * 1985-06-13 1990-10-29 Aalborg Vaerft As Fremgangsmaade til kontinuerlig drift af en cirkulerende fluidiseret bed-reaktor samt reaktor til anvendelse ved udoevelse af fremgangsmaaden
SE460146B (sv) * 1986-08-14 1989-09-11 Goetaverken Energy Syst Ab Anordning vid foerbraenningsanlaeggning med cirkulerande fluidbaedd
US4761131A (en) * 1987-04-27 1988-08-02 Foster Wheeler Corporation Fluidized bed flyash reinjection system

Also Published As

Publication number Publication date
DD284960A5 (de) 1990-11-28
DE3835172A1 (de) 1990-04-19
CA1320661C (en) 1993-07-27
DE3835172C2 (fi) 1992-01-02
CS8905762A2 (en) 1991-09-15
US4917025A (en) 1990-04-17

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20031012