Imperforate bowl: centrifugal separators – Rotatable bowl – Including structure located within vertically-oriented bowl...
Patent
1987-04-16
1988-11-15
Simone, Timothy F.
Imperforate bowl: centrifugal separators
Rotatable bowl
Including structure located within vertically-oriented bowl...
494 67, 494 74, B04B 1102
Patent
active
047846356
ABSTRACT:
In the continuous-operation centrifuge drum for concentrating suspended solids the solids are conveyed to a central chamber from a solids space through channels. Before the solids arrive in the central chamber, they must travel through an unribbed annular space. Since the solids concentrate tends to increase its existing kinetic energy, a higher flow resistance is generated. As viscosity increases, the solids, however, are more powerfully affected by friction in the unribbed annular space, their kinetic energy decreases, and the flow resistance decreases. The resulting increase in the volume of solids extracted also decreases its concentration and hence its viscosity. This behavior of the solids in the unribbed annular space of a rotating drum results in automatic regulation of the solids concentration.
REFERENCES:
patent: 3117928 (1964-01-01), Thylefors
patent: 3468475 (1969-09-01), Thylefors
patent: 4193537 (1980-03-01), Bodelson et al.
patent: 4614598 (1986-09-01), Zettier
patent: 4631049 (1986-12-01), Zettier
patent: 4695270 (1987-09-01), Zettier
Bruning Paul
Mackel Wilfried
Wrede Ulrich
Simone Timothy F.
Westfalia Separator AG
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