Comminuting plant at cryogenic temperatures

Details Comminuting plant at cryogenic temperatures Comminuting plant at cryogenic temperatures

1977-02-14

1978-02-14

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

With temperature modification of material

241 792, 241 80, 241DIG37, B02C 2312

Patent

active

040734439

ABSTRACT:
A plant for the cryogenic comminuting of materials which are resilient, th or difficult to comminute at room temperature, in particular rubber and plastic material, wherein the comminuting means, the charging hopper and the feeding means for the material to be comminuted are all contained within one and the same insulated enclosure, said enclosure being in communication with the outside only over calibrated adjustable openings defining a given outflow of gas, a cryogenic liquid is introduced in the comminuting means in a quantity that is variable according to the minimum optimal temperature required in the mill for any specific comminuting operation.

REFERENCES:
patent: 357973 (1887-02-01), Burkman
patent: 973761 (1910-10-01), Cline
patent: 2609150 (1952-09-01), Bludeau
patent: 3527414 (1970-09-01), Schorsch
patent: 3647149 (1972-03-01), Morita et al.
patent: 3666185 (1972-05-01), Williams
patent: 3718284 (1973-02-01), Richardson

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