Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1976-02-24
1980-12-30
Hill, Ralph J.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209 12, 209 38, 209 39, 209135, 209145, 209153, B07B 1500
Patent
active
042421977
ABSTRACT:
Raw and uncomminuted refuse is introduced through an entrance port into a substantially closed chamber as a horizontally flowing stream so that the refuse drops in the chamber along a path. A current of air is circulated in a closed circuit through the chamber and is directed in the chamber generally perpendicular to the path of the falling refuse and is inspired in the chamber through a sieve oriented substantially perpendicular to the current in the chamber. A minor portion of the air is withdrawn from the circuit, filtered, and released to the atmosphere. This withdrawn portion is replaced in the circuit by drawing air into the chamber substantially only through the entrance port so that slight subatmosphere pressure is created in the chamber to prevent the generation of unwanted dust or smell.
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patent: 3909397 (1975-09-01), Aldinger
Rothert Horst
Schlotterer Gustav
Voelskow Peter
Fritz-Aurel Goergen
Hill Ralph J.
Striker Michael J.
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