Classifying – separating – and assorting solids – Sifting – Feeding and discharging
Patent
1986-02-26
1987-08-25
Reese, Randolph A.
Classifying, separating, and assorting solids
Sifting
Feeding and discharging
19200, 19205, 55290, 209250, 209255, 209285, B07B 122, D01B 900
Patent
active
046891439
ABSTRACT:
A drum separator includes a cylindrical screen drum which is mounted for rotation within a sealed housing such that a small portion of the perimeter of the screen drum is exposed. Air, fibers, and fines are introduced onto a first part of the exposed portion of the screen drum and fines and air pass through the screen drum into the interior of the housing and then to a fines collector. Fibers which are too large to pass through the screen drum are carried by the rotation of the screen drum to a pick-up head which applies a low pressure to the exterior of the screen drum to remove the fibers. The pick-up head is pivotably mounted to the housing, and air cylinders lift the pick-up head away from the screen drum in the event of an impact. The pick-up head includes a pick-up bar and a plurality of fins which are shaped to optimize removal of fibers from the exterior of the screen drum.
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Croft Gregory E.
Duggan Jeremiah J.
Kimberly-Clark Corporation
Reese Randolph A.
Traut Donald L.
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