Centrifuge drum for clarifying or separating centrifugates

Details Centrifuge drum for clarifying or separating centrifugates Centrifuge drum for clarifying or separating centrifugates

1989-02-06

1990-10-09

Hornsby, Harvey C.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including discharge-related structure in nature of static...

494 70, B04B 1100

Patent

active

049617230

ABSTRACT:
The intake space of a centrifuge drum is divided into a vestibule with ribs and an intake chamber without ribs. The vestibule communicates with the intake chamber through an annular gap between the outside diameter of a disk secured to an intake pipe and the inside diameter of the intake space. The intake chamber communicates with a set of disks through channels. The diameter D.sub.K of the intake chamber at the level of the channels is longer than the diameter D.sub.F that must be maintained at the upper surface of the centrifugate in a skimming chamber during operation. Since the incoming centrifugate does not rotate in the intake chamber and since no rotational pressure is accordingly generated, the intake pressure in the intake pipe is transmitted when the intake chamber is full to the centrifugate in the intake chamber, until the requisite level of centrifugate in the skimming chamber is attained. The pressure that is transmitted to the annular gap is compensated for by the rotational pressure of the centrifugate in the vestibule, allowing absolutely smooth distribution of the centrifugate when the intake chamber is full throughout the whole operational range of the drum.

REFERENCES:
patent: 2084487 (1937-06-01), Haraldson
patent: 2667338 (1954-01-01), Hemfort
patent: 3322336 (1967-05-01), Lohse
patent: 3410481 (1968-11-01), Dahlberg
patent: 3468475 (1969-09-01), Thylefors
patent: 3784092 (1974-01-01), Gibson
patent: 3986663 (1976-10-01), Jonsson
patent: 4149668 (1979-04-01), Zurbruggen
patent: 4160521 (1979-07-01), Lindgren
patent: 4339072 (1982-07-01), Hiller
patent: 4695270 (1987-09-01), Zettier
patent: 4729759 (1988-03-01), Krook

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