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Title:
PRESSURIZED FLUIDIZED BED BOILER
Document Type and Number:
Japanese Patent JP2675704
Kind Code:
B2
Abstract:

PURPOSE: To prevent a combustion efficiency, a desulfurization efficiency at the time of extracting a fluid material in a pressurized fluidized bed boiler having a fluidized bed height control system.
CONSTITUTION: An ejector 21 is mounted at an exhaust pipe 9 of an ash storage tank 7 connected to a fluidized bed 4 of a fluidized bed boiler 1 through a rising pipe 8. Operating medium regulated under pressure by a pressure regulating valve 23 is supplied to the ejector 21. Exhaust gas from the ejector 21 is guided to an opening side of the pipe 8 via an assist gas pipe 24.


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Inventors:
Yuri Kobayashi
Application Number:
JP33141691A
Publication Date:
November 12, 1997
Filing Date:
November 20, 1991
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F23C10/24; F23C10/02; F23C10/28; (IPC1-7): F23C11/02; F23C11/02
Attorney, Agent or Firm:
Kimura Masami



 
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