Centrifugal separator

Details Centrifugal separator Centrifugal separator

1986-05-30

1989-04-11

Simone, Timothy F.

Imperforate bowl: centrifugal separators

With condition responsive means

For controlling outlet valve

494 5, 494 27, 494 35, 494 40, 494 48, B04B 1100

Patent

active

048202568

ABSTRACT:
In a previously known centrifugal separator the separation chamber (4) of the centrifuge rotor has an inlet (9) for a mixture of two liquids and relatively heavy solids, a central outlet (23a) for separated light liquid and a periphery outlet (12) for separated solids. A third outlet (35) from the separation chamber (4), situated radially between the first said two outlets (23a, 12), communicates with a recirculation channel, which extends partly through a stationary structure and through which liquid may be conducted from the separation chamber (4) through a sensing device (38) and back to said inlet (9) for mixture. The sensing device (38) is arranged to initiate opening of the periphery outlet (12), when a certain amount of heavy liquid has been separated in the separation chamber (4). A throttle is arranged for limiting of the flow through the recirculation channel. The invention substantially resides in the feature that said throttle (37) is formed in the rotor itself between the third outlet (35) and said stationary structure (31). The periphery outlet (12) is intended to serve as an outlet for both solids and separated heavy liquid.

REFERENCES:
patent: 2834541 (1958-05-01), Szent-Gyorgi
patent: 3167509 (1965-01-01), Steinacker
patent: 3408001 (1968-10-01), Nilsson
patent: 3752389 (1973-08-01), Nilsson
patent: 4193537 (1980-03-01), Bodelson
patent: 4525155 (1985-06-01), Nilsson

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