Process for calcining coke

Details Process for calcining coke Process for calcining coke

1978-03-24

1979-10-02

Wolk, Morris O.

Distillation: processes, thermolytic

Including burning of vaporized product

201 15, 201 33, 202131, 202216, 423448, C10B 5700, C01B 3102

Patent

active

041697677

ABSTRACT:
A process for calcining green coke containing water and combustible volatile matter and obtained by a delayed coking process in three or more stages of heating furnaces which are connected in series, and the control of the temperature and the adjustment of the atmosphere in the respective furnaces can be independently carried out, which process comprises carrying out, in respective furnaces in the indicated order, the steps of:
(a) evaporating the water contained in the green coke, and drying and pre-heating the coke;
(b) distilling off and burning the volatile matter from the dried coke; and
(c) heating and calcining the coke from the step (b).
Because each furnace can be controlled independently from the other furnaces in the above described process, it is possible to produce high-grade coke without process difficulties such as the loss of the coke by combustion and the formation of coke ring.

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