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Title:
FIRING METHOD AND FIRING DEVICE FOR CEMENT CLINKER
Document Type and Number:
Japanese Patent JP2618836
Kind Code:
B2
Abstract:

PURPOSE: To conduct a firing in high efficiency with low heat loss for high- quality cement clinker by using a single fluidized bed granulating/firing oven.
CONSTITUTION: In this cement clinker firing method designed to granulating and firing preheated cement feedstock powder in a fluidized bed granulating/ firing oven 14 followed by introducing the resultant clinker into a cooling device, the clinker is discharged via a gas diffusive plate 22 of the oven 14 or a dump port 26 situated on an extend line from the diffusive plate 22 and the opening area of the dump port 26 is regulated with a gate 34 so as to keep the differential pressure for the fluidized bed 18, and air for classification and cooling of the clinker is blown into a discharge chute 28 communicating with the dump port 26, and the flow of the air is regulated so that the air flow velocity blowing out via the dump port 26 differs from that entering via the nozzle of the gas diffusive plate 22, and the clinker is introduced into a cooling device 16 via an airtight discharge means 30 below a blowing-in position of the air for classification and cooling of the clinker.


Inventors:
Hashimoto, Isao
Kanamori, Shozo
Murao, Mikio
Yokota, Norio
Satou, Nichitaka
Mukai, Katsuharu
Application Number:
JP1994000240686
Publication Date:
June 11, 1997
Filing Date:
September 08, 1994
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
SUMITOMO OSAKA CEMENT CO LTD
International Classes:
C04B7/43; C04B7/45; F27B15/00; F27B15/09; F27D15/02; (IPC1-7): C04B7/45
Domestic Patent References:
JP58115047A
JP4432193B1
JP416706B2
JP60636Y2
Attorney, Agent or Firm:
塩出 真一



 
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