Combination of a coal grinding drying process and a coal...

Details Combination of a coal grinding drying process and a coal... Combination of a coal grinding drying process and a coal...

F - Mech Eng,Light,Heat,Weapons

23

D

110/16

F23D 1/00 (2006.01) B02C 21/00 (2006.01) F23K 1/04 (2006.01) F23K 3/02 (2006.01) F27B 7/38 (2006.01)

Patent

CA 1127463

ABSTRACT OF THE DISCLOSURE The present invention provides a process of coal grinding, drying and coal firing in which the coal is ground and dried in a mill and a portion of exhaust air from the mill containing coal dust is passed as primary air to a coal firing furnace the improvement in which the portion of the coal dust- containing exhaust air of the mill which is not used as primary air is used for heating secondary air in the furnace or for cooling the hot material in the furnace or both.

353351

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