Centrifugal separator with pulsed fluid injection

Details Centrifugal separator with pulsed fluid injection Centrifugal separator with pulsed fluid injection

1997-01-28

1998-03-17

Cooley, Charles E.

Imperforate bowl: centrifugal separators

With means for furnishing auxiliary fluid to material or...

Liquid

494 37, B04B 1100

Patent

active

057280398

ABSTRACT:
A centrifuge bowl of the type having a base onto which the intermixed particulate materials in slurry form is fed for passing over the peripheral wall of the bowl includes a plurality of annular recesses at axially spaced positions on the peripheral wall with each recess having a plurality of openings at the base of the recess communicating with the jacket on the outside of the peripheral wall. Water is supplied through a channel in the support shaft of the bowl via a rotary union on the shaft which is arranged to cause a fluctuation in the flow rate of water passing to the jacket. The flow rate is maintained positive at all times but fluctuates between a maximum and minimum value, The minimum value of the flow rate is sufficient to maintain a flow through the openings which prevents the outward passage of particles under centrifugal forces,

REFERENCES:
patent: 1473421 (1923-11-01), Eccleston
patent: 1557672 (1925-10-01), Doerner
patent: 1594501 (1926-08-01), Eccleston
patent: 1718547 (1929-06-01), Eccleston
patent: 4608040 (1986-08-01), Knelson
patent: 4776833 (1988-10-01), Knelson
patent: 4846781 (1989-07-01), Knelson
patent: 5222933 (1993-06-01), Knelson et al.
patent: 5338284 (1994-08-01), Knelson
patent: 5586965 (1996-12-01), Knelson

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