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Title:
REGULATING METHOD OF RATE OF COMBUSTOIN OF SAND LAYER OF FLUIDIZED BED FURNACE
Document Type and Number:
Japanese Patent JPH09145256
Kind Code:
A
Abstract:

To control a rate of combustion in a fluidized bed to be an arbitrary value.

A temperature in a sand layer (fluidized bed) 2 is measured as a sand layer temperature, while a temperature in a free board 15 formed in an in-furnace space above the fluidized bed 2 is measured as a free board temperature. In the case when a difference between the measured temperatures obtained by subtracting the sand layer temperature from the free board temperature becomes larger than a set value, fluidized sand is supplied to a sand circulating system 18 from a sand supply system 18a, so as to increase the quantity of the fluidized sand flowing in the sand layer (fluidized bed) 2.


Inventors:
Nojima, Tomoyuki
Yokota, Osamu
Application Number:
JP1995000301838
Publication Date:
June 06, 1997
Filing Date:
November 21, 1995
Export Citation:
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Assignee:
KUBOTA CORP
International Classes:
F27B15/18; (IPC1-7): F27B15/18
Attorney, Agent or Firm:
森本 義弘



 
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