Method of calcining coke in a rotary kiln

Details Method of calcining coke in a rotary kiln Method of calcining coke in a rotary kiln

1974-05-06

1976-06-29

Wolk, Morris O.

Distillation: processes, thermolytic

In a moving bed

201 1, 201 15, 201 27, 201 41, 432 18, 432 19, 432 24, 432 26, C10B 4900, C10B 4906, C10B 5716

Patent

active

039665607

ABSTRACT:
In the calcination of petroleum coke in a rotary kiln, procedure wherein air is controllably supplied internally of the kiln to burn the removed volatiles, as by selection or adjustment of the amount of such air and of the speed of coke travel down the kiln, so that all or nearly all of the heat for calcining the coke is provided by such combustion, and so that a suitably high temperature is reached for effective calcination at an efficiently large feed rate of coke, a special feature being to maintain a significantly long travel time of the coke from a region of intense calcining activity to the product discharge end of the kiln. High production rates, of coke calcined well and uniformly, are economically attained, with ease of control and with unusual stability of kiln operation.

REFERENCES:
patent: 1564730 (1925-12-01), Walden
patent: 2484911 (1949-10-01), Seil
patent: 2813822 (1957-11-01), Collier
patent: 3506542 (1970-04-01), Kulakov
Fekula et al.; `Controlled Atmosphere;` 1958; pp. C-20 & C-22; The Petroleum Eng'R.
Perry et al.; "Chem. Eng'r. Handbook;" 1963; pp. 7-3; McGraw-Hill Book Co.

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