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Title:
BURNING APPARATUS FOR POWDERY/GRANULAR MATERIAL AND METHOD FOR ITS OPERATION
Document Type and Number:
Japanese Patent JPH10148474
Kind Code:
A
Abstract:

To provide a burning apparatus in which the amount of combustion at the burner in the firing furnace can be lowered, the heat-exchange efficiency between the material and gas can be improved, and coating can be prevented from occurring in the suspension preheater.

In a kiln having a plurality of cyclones C1-C4 the gas from a cooling device FBQ is led to a heat exchanger HR and heated to higher temperatures by heat exchange with a material supplied from a calcining furnace PC and the resulting gas is led to a firing furnace KF. The flow rate of the material led from the calcining furnace PC to the firing furnace KF is controlled by an airtight discharge means 81 and, on the other hand, the flow rate of the material led to circulate from the calcining furnace PC, through the heat exchanger HR and a transporting means 86, and back to the calcining furnace PC is controlled by use of a branching means 43.


Inventors:
Murao, Mikio
Ichitani, Noboru
Application Number:
JP1996000306876
Publication Date:
June 02, 1998
Filing Date:
November 18, 1996
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
C04B2/10; B01J8/24; C04B2/12; F27B15/18; (IPC1-7): F27B15/18; B01J8/24; C04B2/10; C04B2/12
Attorney, Agent or Firm:
西教 圭一郎 (外3名)