Coke calcining apparatus

Details Coke calcining apparatus Coke calcining apparatus

1982-12-09

1984-03-27

Garris, Bradley

Distillation: apparatus

Apparatus

Systems

202216, 202227, 202230, 432 83, 432106, C10B 110, C10B 3900, C10B 3912

Patent

active

044392753

ABSTRACT:
A coke calcining apparatus comprises a rotary kiln (1), an intermediate cooler (3) installed outside of but rotating unitarily with the kiln at an intermediate part thereof and having inlets (32) and outlets (33) respectively communicating with the upstream and downstream interiors (A,B) of the kiln, and an annular weir (7) fixed to and around the inner wall surface of the kiln at a part thereof between the inlets and outlets of the cooler and functioning to cause the entire quantity of coke (6) which has been subjected to a first-stage calcination at 600.degree. to 1,000.degree. C. in the upstream interior (A) to flow through the cooler (3). The coke thus cooled to 200.degree. C. or lower is subjected to a second-stage calcination at 1,200.degree. to 1,400.degree. C. in the downstream interior (B) for 10 to 30 minutes.

REFERENCES:
patent: 2785115 (1957-03-01), Borch
patent: 3372915 (1968-03-01), Jensen
patent: 3502139 (1970-03-01), Andersen
patent: 4022569 (1977-05-01), Farago et al.
patent: 4100265 (1978-07-01), Yoshimura et al.
patent: 4101268 (1978-07-01), Groiss
patent: 4169767 (1979-10-01), Noguchi et al.

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