Centrifuge with automatic sludge discharge

Details Centrifuge with automatic sludge discharge Centrifuge with automatic sludge discharge

1978-04-24

1979-08-14

Krizmanich, George H.

Chemistry: physical processes

B04B 118

Patent

active

041643178

ABSTRACT:
The sludge outlets of the centrifugal rotor are normally closed by a piston valve which moves axially to open these outlets when operating liquid is drained through openings at the periphery of a closing chamber adjacent the valve, the drain openings being normally closed by a main slide with which the rotor forms an opening chamber. Operating liquid fed to the opening chamber first moves the main slide axially to open the drain openings, thereby effecting opening of the sludge outlets, and then overflows into a third chamber to actuate a second slide and thereby open a drain passage leading from the periphery of the opening chamber into the third chamber, whereby the main slide is returned to its normal position for re-closing the drain openings from the closing chamber.

REFERENCES:
patent: 3189267 (1965-06-01), Thylefors
patent: 3494546 (1970-02-01), Nilson
patent: 4015773 (1977-04-01), Thylefors

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