Apparatus for calcining coke

Details Apparatus for calcining coke Apparatus for calcining coke

1986-07-18

1988-01-12

Richman, Barry S.

Distillation: apparatus

Apparatus

Systems

201 17, 201 29, 201 34, 201 39, 202215, 202228, C10B 4904, C10B 5700

Patent

active

047189843

ABSTRACT:
An internally-fired vertical shaft kiln for calcining coke wherein a downwardly moving coke bed has a co-current preheat gas stream in the upper portion of the kiln and a counter-current combustion gas stream in the lower portion of the kiln. Both gases are removed at the midportion of the kiln. Combustion air is introduced to the kiln through an inclined grate at the bottom of the kiln which retains a layer of coke thereon for internal combustion. The calcined coke moves over the combusting coke layer on the grate and then through a passage to a cooling chamber where a gas stream is passed through the calcined coke for cooling. The gas stream heated in the cooling chamber can be used as the co-current gas preheat stream in the upper section of the kiln.

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