Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1976-11-19
1978-04-11
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 72, B02C 2326
Patent
active
040835006
ABSTRACT:
A tube mill is disclosed for drying and grinding moist material which comprises at least one compartment for drying moist material and at least one compartment communicating with the drying compartment for grinding the material. A separating chamber is positioned between the adjacent communicating drying and grinding compartments with means being provided for introducing hot gases and material to the drying compartment so that the material may pass to the separating chamber and the grinding compartment. A sieve drum is centrally positioned within the separating chamber to sieve hot gases and entrained material and to direct the hot gases and entrained material to the interior of the separating chamber while the separating chamber is divided into compartments by a plurality of radial vanes and is subdivided by partitioning members such that gases and entrained material passing through the compartments of the separating chamber travel along a circuitous path which effects a separation of the entrained material while scoop members convey material to the compartments of the separating chamber and the radial vanes direct the material to the successive grinding compartment. A separating chamber for separating gases and entrained material is also disclosed.
REFERENCES:
patent: 2031710 (1936-02-01), Ihlefeldt
patent: 2398989 (1946-04-01), Agthe
patent: 3289950 (1966-12-01), Helming et al.
patent: 3537658 (1970-11-01), Jurgenjanich
Custer, Jr. Granville Y.
F. L. Smidth & Co.
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