Method and apparatus for separating and recovering particulate m

Details Method and apparatus for separating and recovering particulate m Method and apparatus for separating and recovering particulate m

1988-11-10

1989-09-12

Sever, Frank

Liquid purification or separation

Tangential flow or centrifugal fluid action

Multiple cyclone

209144, 209211, B01D 17038

Patent

active

048657409

ABSTRACT:
Particulate material such as coal of a size inferior to 1 mm is recovered by being entrained in a liquid medium and being fed through an apparatus comprising a plurality of cyclone separators connected in series, the cyclone angle of the separators decreasing in the direction of flow. The cyclone angle .alpha..sub.2 of a cyclone separator in the series is within .+-.5% of the angle calculated according to the formula ##EQU1## wherein .alpha..sub.2 is the cyclone angle of a cyclone separator following a separator with angle .alpha..sub.1 and .phi..sub.1 and .phi..sub.2 represent the geometric means particle size of the cut of successive separators with these angles.

REFERENCES:
patent: 4023942 (1977-05-01), Brady
patent: 4394138 (1983-07-01), Schilling

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