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Title:
CIRCULATION TYPE FLUIDIZED BED BOILER
Document Type and Number:
Japanese Patent JP2001311503
Kind Code:
A
Abstract:

To aim at the higher efficiency of a circulation type fluidized bed boiler by improving the performance of a cyclone without increasing an installation area.

The circulation type fluidized bed boiler 1 is provided with an external circulation type fluidized bed furnace 10 combusting fuel fed into the inside of a combustion chamber circulated with fluidized material and a cyclone 20 connected to the external circulation type fluidized bed furnace 10 and mainly separating the gas of combustible gas from the solid of the fluidized material. At least a part of the cyclone introducing path 30 introducing solid-gas two phase flow comprising mainly of the fluidized material and the combustion gas from the external circulation type fluidized bed furnace 10 to the cyclone 20 is arranged along the side wall 13 of the external circulation type fluidized bed furnace 10 in the circulation type fluidized bed boiler 1.


Inventors:
Meiyo, Kazuyuki
Tagashira, Kenji
Torii, Isao
Application Number:
JP2000000128380
Publication Date:
November 09, 2001
Filing Date:
April 27, 2000
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F23C10/02; B01J8/22; B04C5/24; F27B15/12; F27D17/00; (IPC1-7): F23C10/02; B01J8/22; B04C5/24; F27B15/12; F27D17/00
Attorney, Agent or Firm:
藤田 考晴 (外3名)