Method and apparatus for the preparation of mineral mixtures on

Details Method and apparatus for the preparation of mineral mixtures on Method and apparatus for the preparation of mineral mixtures on

1975-12-01

1977-04-26

Lutter, Frank W.

Classifying, separating, and assorting solids

Stratifiers

With liquid treatment

209457, 209500, B03B 524

Patent

active

040199819

ABSTRACT:
A method and apparatus for the preparation of mineral mixtures, particularly of rough washed coal, on a jig which is controlled by compressed air in which the separating liquid, with the aid of control valves arranged in the supply conduits for air and/or separating liquid, is moved periodically up and down through the openings in the settling material carrier, wherein the pulsating movement of the separating liquid is effected with the aid of an electronic valve impulse control of the compressed air and/or the quantity of separating liquid conveyed to the settling tank.

REFERENCES:
patent: 3252574 (1966-05-01), De Koning et al.
patent: 3307824 (1967-03-01), Weisheit
patent: 3446471 (1969-05-01), Westphal
patent: 3446473 (1969-05-01), Barker
patent: 3523677 (1970-08-01), North
patent: 3800794 (1974-04-01), Georgi

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