Self-cleaning sedimentation unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 1996
Grant Date -
N/A
app pub date -
Sep 22, 1994
filing date -
Sep 22, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gravity sedimentation unit for thickening or clarifying a solids containing liquid is disclosed. The unit comprises a settling basin for receiving the feed and permitting the suspended solids to settle. A pump moves around the basin to discharge solids accumulating at the bottom. Support and vertical positioning of the pump is effected by a pump suspension which comprises a winch and a solids level detector. Horizontal positioning of the pump is effected by a bridge-type crane including a traverse with a drive for moving the traverse over the basin and a motorized trolley for moving the pump suspension back and forth along the traverse. Control of the pump travel is effected by a controller programmed to carry out regular search patterns through the basin.
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