Rotary drum or disc filter
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United States of America Patent
Stats
-
Mar 10, 1981
Grant Date -
N/A
app pub date -
Jun 13, 1979
filing date -
Jun 23, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a rotary drum or disc filter having circumferentially distributed cells in constant communication through open outlets with a common vacuum chamber, which may be the interior of the drum, or part of that interior, or a separate chamber rotating together with the filter. In a position of each cell where filter cake is to be blown off, a jet of compressed air or steam is injected into the respective outlet through a nozzle which combines with the outlet to form an ejector pump (jet pump).
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