Self-cleaning centrifuge drum with a piston valve defining one s

Details Self-cleaning centrifuge drum with a piston valve defining one s Self-cleaning centrifuge drum with a piston valve defining one s

1973-11-05

1976-10-12

Krizmanich, George H.

Chemistry: physical processes

B04B 1100

Patent

active

039852920

ABSTRACT:
A centrifugal separator constructed for intermittent discharge of sludge. One end member of the separator drum is a piston valve movable vertically to open and close sludge discharge nozzles disposed at the outer periphery of the drum. The piston valve forms one end of the sludge chamber in the drum. Radially inwardly of the sludge chamber, a cap is mounted in the separator drum covering a part of the piston valve and the cap and piston valve are in sliding sealing contact, providing an opening chamber on the drum side of the piston valve for receiving and holding fluid to force the piston valve to the open position. On other side of the piston valve, a closing chamber is provided for receiving fluid for closing of the valve. Means are provided for discharging fluid from the opening chamber so that the opening chamber can be empty for the closed position of the piston valve, whereby the force holding the piston valve in the closed position is increased.

REFERENCES:
patent: 3160589 (1964-12-01), Stone
patent: 3754701 (1973-08-01), Bruning

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