Self-cleaning centrifugal separator having a main piston valve d

Details Self-cleaning centrifugal separator having a main piston valve d Self-cleaning centrifugal separator having a main piston valve d

1976-05-14

1977-08-30

Krizmanich, George H.

Chemistry: physical processes

B04B 1104

Patent

active

040449459

ABSTRACT:
A centrifuge constructed for the intermittent discharge of sludge having a main piston valve 3 for opening and closing of sludge discharge passageways 4, is provided with an auxiliary piston valve 9 mounted on the main piston valve 3 and having an opening chamber 11 and closing chamber 12, supplied with control fluids, so that the operation of auxiliary piston valve 9 is cumulative to the operation of the main piston valve 3 on both opening and closing of the main piston valve. The auxiliary piston valve 9 is mounted 10, 10a on the main piston valve 3 so that the auxiliary piston valve can shift on the main piston valve 3 to open and close dumping passageways 19 provided for emptying of the control chamber 8 of the main piston valve 3.

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