B - Operations – Transporting – 04 – B
Patent
B - Operations, Transporting
04
B
233/24
B04B 1/14 (2006.01) B04B 1/10 (2006.01)
Patent
CA 1052754
ABSTRACT OF THE DISCLOSURE This invention is concerned with a method for automatically discharging a thickened fraction of a suspension from a centrifuge rotor and an apparatus for carrying out the same. In accordance with the invention, the opening and closing of the discharge nozzles of the rotor are associated to the pressure deformation of the shape of an elastically yielding body situated in a radial zone extending between the lower level and the upper level of the thickened fraction in the rotor. The front wall of each elastically yielding body faces the rotor axis and is exposed to a constant hydrostatic pressure independent on the hydrostatic pressure of both the suspension and the thickened fraction of the suspension surrounding the remaining part of the surface of the body. The hydrostatic pressure of the suspension and of the thickened fraction of the suspension is periodically increased in the rotor by increasing the level of the suspension in the rotor. Such an arrangement is particularly suitable for separating suspensions when the specific mass of the thickened fraction does not substantially differ from that of the suspension to be separated.
271572
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