Apparatus for producing abrasion-proof coke forms from bituminou

Details Apparatus for producing abrasion-proof coke forms from bituminou Apparatus for producing abrasion-proof coke forms from bituminou

1979-12-13

1981-10-06

Lutter, Frank W.

Distillation: apparatus

Apparatus

Systems

165145, 165170, 202150, C10B 104, C10B 300

Patent

active

042933889

ABSTRACT:
Abrasion-proof coke forms are produced from bituminous coal, brown coal, or peat in the form of briquets, by preheating the briquets, dehydrating or predrying them, carbonizing them and then cooling them in at least three separate stages in which the briquets are dehydrated indirectly by subjecting them to indirect temperature conditions, producing a temperature gradient in the briquets. The briquets are automatically fed into a shaft tower which includes an upper drying shaft portion made up of a plurality of stacked radiators which include tube elements for the passing of a heating fluid, such as steam, therethrough and which define vertical shaft passages through which the briquet forms are passed downwardly and into a carbonizing shaft which has separate gas channels for directing heating gases therethrough and to a heating flue and which subsequently includes a lower cooling zone through which the briquets pass and then into a discharge channel where they are delivered for classification.

REFERENCES:
patent: 1408640 (1922-03-01), Roberts
patent: 1782234 (1930-11-01), Hofmann
patent: 1893555 (1933-01-01), Komarek et al.
patent: 1909421 (1933-05-01), Parr et al.
patent: 2847369 (1958-08-01), Hughes et al.
patent: 3316155 (1967-04-01), Holowaty et al.
patent: 3371709 (1968-03-01), Rosenblad
patent: 3663186 (1972-05-01), Dzhaparidze et al.
patent: 3842904 (1974-10-01), Gardenier
patent: 4134794 (1979-01-01), Lorenz et al.

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