Self-discharging centrifugal drum

Details Self-discharging centrifugal drum Self-discharging centrifugal drum

1982-04-29

1983-10-18

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

With condition responsive means

For controlling outlet valve

494 29, 494 65, B04B 1100

Patent

active

044103174

ABSTRACT:
A self-discharging centrifugal drum for clarifying and separating suspensions has an axially displaceable piston valve that is bounded above by a solids space and that opens and closes expulsion openings in the drum jacket. A closure compartment that can be charged with closure fluid is disposed below the piston valve and into which the closure fluid is supplied through a channel that is connected to an intermediate compartment for closure fluid. The closure compartment is evacuated to initiate discharge of the drum packing by a centrifugal valve. The valve that evacuates the closure compartment is a centrifugal valve that contains a movable valve cone, with the valve cone activated by control fluid and having a valve projection that is smaller in diameter than the valve cone and that is sealed into the drum jacket behind the valve cone so that the valve projection will extensively choke or close the channel that connects the closure compartment to the intermediate compartment when the valve cone opens. This insures not only sudden evacuation but also just as sudden charging of the closure compartment with closure fluid.

REFERENCES:
patent: 2022815 (1935-12-01), Strezynski
patent: 2578484 (1951-12-01), Nyrop
patent: 3550843 (1970-12-01), Hoffmann
patent: 3765599 (1973-10-01), Hemfort
patent: 3871575 (1975-03-01), Niemeyer

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