Procedure and apparatus for separating heavy particles of materi

Details Procedure and apparatus for separating heavy particles of materi Procedure and apparatus for separating heavy particles of materi

1996-09-18

1999-10-12

Terrell, William E.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Gaseous suspension and stratifying

209137, 2091391, 209468, B07B 400, B03B 700

Patent

active

059643552

ABSTRACT:
Procedure for separating heavy particles of material from lighter particles, e.g. for separating impurities from powdery or fragmental material, such as fibers or chips, in which procedure the material (2) to be treated is supplied onto a carrier surface (1) pervious to gas and gas impacts (P) are applied to the material through the carrier surface (1), causing the heavier particles to move closer to the carrier surface (1). The carrier surface (1) is mainly moved in one direction of movement to move the heavy particles (R) and the lighter particles (K) are passed, mainly by the agency of the inclination of the carrier surface (1) and/or the gas flow, in a direction substantially differing from the principal direction of movement of the carrier surface (1). The invention also relates to an apparatus implementing the procedure.

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