MY104683A - Composite recycling type fluidized bed boiler. - Google Patents

Composite recycling type fluidized bed boiler.

Info

Publication number
MY104683A
MY104683A MYPI89001666A MYPI19891666A MY104683A MY 104683 A MY104683 A MY 104683A MY PI89001666 A MYPI89001666 A MY PI89001666A MY PI19891666 A MYPI19891666 A MY PI19891666A MY 104683 A MY104683 A MY 104683A
Authority
MY
Malaysia
Prior art keywords
chamber
fluidizing
fluidizing medium
char
thermal energy
Prior art date
Application number
MYPI89001666A
Inventor
Ohshita Takahiro
Nagato Shuichi
Miyoshi Norihisa
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Publication of MY104683A publication Critical patent/MY104683A/en

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • F22B31/0092—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 with a fluidized heat exchange bed and a fluidized combustion bed separated by a partition, the bed particles circulating around or through that partition

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)
  • Invalid Beds And Related Equipment (AREA)
  • Laminated Bodies (AREA)

Abstract

THE PRESENT INVENTION RELATES TO AN INTERNAL RECYCLING TYPE FLUIDIZED BED BOILER (1) IN WHICH A FLUIDIZED BED PORTION OF THE BOILER IS DEVIDED BY A PARTITION (18) INTO A PRIMARY COMBUSTION CHAMBER (3) AND A THERMAL ENERGY RECOVERY CHAMBER (4), AT LEAST TWO KINDS OF AIR CHAMBERS (12, 13, 14) ARE PROVIDED AT A PORTION BELOW THE PRIMARY COMBUSTION CHAMBER (3), ONE BEING AN AIR CHAMBER (13) FOR IMPARTING A HIGH FLUIDIZING SPEED TO A FLUIDIZING MEDIUM AND THE OTHER BEING AN AIR CHAMBER (12, 14) FOR IMPARTING A LOW FLUIDIZING SPEED TO A FLUIDIZING MEDIUM THEREBY PROVIDING A WHIRLING AND CIRCULATING FLOW TO THE FLUIDIZING MEDIUM IN THE PRIMARY COMBUSTION CHAMBER (3) BY A COMBUSTION OF AIR FLOWS HAVING DIFFERENT FLUIDIZING SPEEDS INJECTED OUT OF THESE AIR CHAMBERS TO FORM A WHIRLING AND CIRCULATING FLOW OF THE FLUIDIZING MEDIUM BETWEEN THE PRIMARY CHAMBER (3) AND THE THERMAL ENERGY RECOVERY CHAMBER (4), AND THE FLUIDIZING MEDIUM IS MOVED DOWNWARD IN A FORM OF A MOVING BED IN THE THERMAL ENERGY RECOVERY CHAMBER (4), SAID BOILER (1) BEING CHARACTERIZED IN THAT THERMAL ENERGY RECOVERY FROM EXHAUST GAS IS EFFECTED IN A FREE BOARD PORTION OR DOWNSTREAM OF THE FREE BOARD PORTION, THE EXHAUST GAS LOWERED IN ITS TEMPERATURE AFTER BEING COOLED IS GUIDED TO A CYCLONE (7), AND FINE PARTICULATE CHAR COLLECTED AT THE CYCLONE (7) IS RETURNED TO A PORTION DIRECTLY ABOVE OR INTO A DESCENDING MOVING BED OF THE FLUIDIZING MEDIUM IN THE PRIMARY COMBUSTION CHAMBER (3) AND/OR THERMAL RECOVERY CHAMBER (4). WITH THE CHAR BEING RETURNED TO THE PORTION DIRECTLY ABOVE OR INTO THE DESCENDING MOVING BED OFTHE FLUIDIZING MEDIUM, THE CHAR WILL NOT BE IMMEDIATELY SCATTERED TO THE FREE-BOARD PORTION AND THE CHAR IS SUFFICIENTLY PRECIPITATED AND WHEREBY IT IS POSSIBLE TO REDUCE NO% GENERATED BY COMBUSTIONOF COAL OR THE LIKE, IN THE BED. (FIG. 1)
MYPI89001666A 1988-08-31 1989-11-30 Composite recycling type fluidized bed boiler. MY104683A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21513588 1988-08-31
PCT/JP1989/000883 WO1990002293A1 (en) 1988-08-31 1989-08-30 Composite circulation fluidized bed boiler

Publications (1)

Publication Number Publication Date
MY104683A true MY104683A (en) 1994-05-31

Family

ID=16667285

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI89001666A MY104683A (en) 1988-08-31 1989-11-30 Composite recycling type fluidized bed boiler.

Country Status (9)

Country Link
EP (1) EP0431163B1 (en)
KR (1) KR100229691B1 (en)
CN (1) CN1017469B (en)
AT (1) ATE131271T1 (en)
AU (1) AU4199889A (en)
CA (1) CA1332685C (en)
DE (1) DE68925033T2 (en)
MY (1) MY104683A (en)
WO (1) WO1990002293A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU685766B2 (en) * 1993-03-03 1998-01-29 Ebara Corporation Pressurized internal circulating fluidized-bed boiler
CN100417862C (en) * 2005-12-09 2008-09-10 清华大学 Horizontal circulating fluidized bed burning equipment and its circulating burning method
FI122040B (en) * 2009-11-10 2011-07-29 Foster Wheeler Energia Oy Process and arrangement for feeding fuel into a boiler with circulating fluidized beds
KR101998448B1 (en) * 2012-02-13 2019-07-09 에바라 간쿄 플랜트 가부시키가이샤 Immersed heat transfer tube for fluidized-bed boiler
JP5992322B2 (en) * 2012-12-28 2016-09-14 住友重機械工業株式会社 Circulating fluidized bed boiler
CN103090397B (en) * 2013-01-16 2015-09-09 河南科技大学 A kind of mud and fluidized bed multifuel combustion reactor
FI126744B (en) 2013-05-14 2017-04-28 Valmet Technologies Oy Arrangement and method of fluidization boiler
CN104279548A (en) * 2013-07-12 2015-01-14 李雨田 Energy-collecting heat exchange environment-friendly boiler
CN105444160B (en) * 2014-08-29 2019-01-08 中国科学院工程热物理研究所 Recirculating fluidized bed fine ash burner
CN106196124A (en) * 2016-08-23 2016-12-07 苏州泰盛新绿节能环保科技有限公司 A kind of coal-burning boiler assembly reducing smoke evacuation oxygen content
CN107631293A (en) * 2017-10-27 2018-01-26 湘潭锅炉有限责任公司 A kind of CFBB
JP7079627B2 (en) * 2018-03-13 2022-06-02 荏原環境プラント株式会社 Fluidized bed heat recovery device
EP3957909B1 (en) 2020-08-20 2024-06-26 Steinmüller Engineering GmbH Asymmetric fluidized-bed furnace for combustion of materials and method
CN114353049A (en) * 2021-12-25 2022-04-15 江苏中科重工股份有限公司 Method and equipment for recycling steam-water heat of boiler drain flash tank

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1517166A1 (en) * 1963-12-03 1969-05-14 Container Corp Process for treating a waste liquor containing organic and inorganic substances
DE2449798C2 (en) * 1974-10-19 1982-10-07 Thyssen Industrie Ag, 4300 Essen Fluidized bed furnace for the incineration of partially dewatered sludge
US4253425A (en) * 1979-01-31 1981-03-03 Foster Wheeler Energy Corporation Internal dust recirculation system for a fluidized bed heat exchanger
JPS57139205A (en) * 1981-02-23 1982-08-28 Babcock Hitachi Kk Fluidized bed furnace
GB2151503B (en) * 1981-12-15 1986-08-20 William Benedict Johnson Fluidized bed combustion apparatus and method of carrying out fluidized bed combustion
CH659876A5 (en) * 1983-05-10 1987-02-27 Sulzer Ag Fluid bed firing.
JPS62141408A (en) * 1985-12-13 1987-06-24 Mitsubishi Heavy Ind Ltd Circulation type fluidized bed combustor
CA1285375C (en) * 1986-01-21 1991-07-02 Takahiro Ohshita Thermal reactor
JPS63143409A (en) * 1986-12-03 1988-06-15 Mitsubishi Heavy Ind Ltd Fluidized bed boiler of circulation type

Also Published As

Publication number Publication date
CN1041646A (en) 1990-04-25
EP0431163A4 (en) 1992-05-20
DE68925033T2 (en) 1996-05-15
WO1990002293A1 (en) 1990-03-08
EP0431163A1 (en) 1991-06-12
CA1332685C (en) 1994-10-25
CN1017469B (en) 1992-07-15
KR100229691B1 (en) 1999-11-15
ATE131271T1 (en) 1995-12-15
DE68925033D1 (en) 1996-01-18
AU4199889A (en) 1990-03-23
KR900700822A (en) 1990-08-17
EP0431163B1 (en) 1995-12-06

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