Decanter centrifuge

Details Decanter centrifuge Decanter centrifuge

1983-10-14

1985-03-12

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including driven material-moving means therein

494 83, 494 84, B04B 120

Patent

active

045042624

ABSTRACT:
At each end the bowl of the centrifuge is journalled for rotation in a bearing housing from which the prevailing bearing loads are transmitted to a support means through a system of springs, the spring rate of which is so low that the natural frequency of the centrifuge is substantially below its normal rpm, preferably lower than 15 percent thereof. The bowl can then rotate at a high rate of rotation without concomitant vibration problems.
In order to avoid undesirable transverse forces acting on the bowl a pulley mounted on its protruding shaft end may be pre-loaded in diametrically opposed directions by means of two pretensioned belt drives each of which is trained over a stationarily mounted pulley. At least one of the last mentioned pulleys is driven by a motor.

REFERENCES:
patent: 1210085 (1916-12-01), LeBlanc
patent: 2867378 (1959-01-01), Harlow
patent: 3971509 (1976-07-01), Johnson
patent: 4299353 (1981-11-01), Bruning et al.
patent: 4332350 (1982-06-01), McClellan
patent: 4350104 (1982-09-01), Cook

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