CA1271945A - Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise - Google Patents

Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise

Info

Publication number
CA1271945A
CA1271945A CA000490743A CA490743A CA1271945A CA 1271945 A CA1271945 A CA 1271945A CA 000490743 A CA000490743 A CA 000490743A CA 490743 A CA490743 A CA 490743A CA 1271945 A CA1271945 A CA 1271945A
Authority
CA
Canada
Prior art keywords
bed
fluidizing
particles
cyclone
freeboard
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.)
Expired - Fee Related
Application number
CA000490743A
Other languages
English (en)
Inventor
Gary O. Goldbach
Jerry L. Cooper
John Louis Guillory
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.)
Combustion Power Co Inc
Original Assignee
Combustion Power Co Inc
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 Combustion Power Co Inc filed Critical Combustion Power Co Inc
Application granted granted Critical
Publication of CA1271945A publication Critical patent/CA1271945A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F22B31/0084—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
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material

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)
  • Treating Waste Gases (AREA)
CA000490743A 1984-09-14 1985-09-13 Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise Expired - Fee Related CA1271945A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65430284A 1984-09-24 1984-09-24
US654,302 1991-02-12

Publications (1)

Publication Number Publication Date
CA1271945A true CA1271945A (fr) 1990-07-24

Family

ID=24624292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000490743A Expired - Fee Related CA1271945A (fr) 1984-09-14 1985-09-13 Methode et dispositif de recirculation des fines dans un appareil de combustion a lit fluidise

Country Status (6)

Country Link
EP (1) EP0176293B1 (fr)
JP (1) JPH0799250B2 (fr)
CA (1) CA1271945A (fr)
DE (1) DE3582385D1 (fr)
DK (1) DK429885A (fr)
NO (1) NO853713L (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756890A (en) * 1986-05-09 1988-07-12 Pyropower Corporation Reduction of NOx in flue gas
GR1000870B (el) * 1988-06-24 1993-03-16 Ahlstroem Oy Καύση καυσίμου το οποίο περιλαμβάνει αλκαλικές συν?έσεις.
US5133950A (en) * 1990-04-17 1992-07-28 A. Ahlstrom Corporation Reducing N2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors
US5395596A (en) * 1993-05-11 1995-03-07 Foster Wheeler Energy Corporation Fluidized bed reactor and method utilizing refuse derived fuel
US5538704A (en) * 1993-05-26 1996-07-23 Air Products And Chemicals, Inc. Reduction of ammonia slip in nitrogen oxides reduction process
US5362462A (en) * 1993-05-26 1994-11-08 Air Products And Chemicals, Inc. Process for nitrogen oxides reduction
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
US5462718A (en) * 1994-06-13 1995-10-31 Foster Wheeler Energy Corporation System for decreasing NOx emissions from a fluidized bed reactor
SE9601392L (sv) 1996-04-12 1997-10-13 Abb Carbon Ab Förfarande för förbränning och förbränningsanläggning
SE9601393L (sv) 1996-04-12 1997-10-13 Abb Carbon Ab Förfarande för förbränning och förbränningsanläggning
US5820838A (en) * 1996-09-27 1998-10-13 Foster Wheeler Energia Oy Method and an apparatus for injection of NOx reducing agent
CN100436941C (zh) * 2005-07-05 2008-11-26 中国石油大学(北京) 一种煤焦粉的燃烧方法及设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900554A (en) * 1973-03-16 1975-08-19 Exxon Research Engineering Co Method for the reduction of the concentration of no in combustion effluents using ammonia
US4021184A (en) * 1975-10-02 1977-05-03 Dorr-Oliver Incorporated Dilute phase waste incinerator
DE2624302A1 (de) * 1976-05-31 1977-12-22 Metallgesellschaft Ag Verfahren zur durchfuehrung exothermer prozesse
JPS5817366B2 (ja) * 1977-07-20 1983-04-06 日立造船株式会社 排ガス脱硝型流動床式燃焼装置
JPS55165402A (en) * 1979-06-12 1980-12-23 Babcock Hitachi Kk Fluidized bed boiler apparatus
CH662639A5 (de) * 1981-12-10 1987-10-15 Sulzer Ag Waermeuebertrager mit wirbelbettfeuerung.
FR2537701A1 (fr) * 1982-12-08 1984-06-15 Creusot Loire Procede et installation de recyclage d'imbrules solides dans un lit fluidise
DE3307848A1 (de) * 1983-03-05 1984-09-06 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur nachverbrennung und reinigung von prozessabgasen
JPS6029847A (ja) * 1983-07-28 1985-02-15 Fujitsu Ltd タスクの処理方法

Also Published As

Publication number Publication date
EP0176293A3 (en) 1987-04-22
JPS61105007A (ja) 1986-05-23
JPH0799250B2 (ja) 1995-10-25
DK429885D0 (da) 1985-09-23
EP0176293A2 (fr) 1986-04-02
EP0176293B1 (fr) 1991-04-03
NO853713L (no) 1986-03-25
DE3582385D1 (de) 1991-05-08
DK429885A (da) 1986-03-25

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Legal Events

Date Code Title Description
MKLA Lapsed