B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/8
B30B 9/14 (2006.01) B30B 9/12 (2006.01)
Patent
CA 1179549
ABSTRACT OF THE DISCLOSURE: Apparatus for separating liquid components from solid components of a liquid-solid mixture, comprising a hollow press barrel defining a relatively low pressure feed region and a relatively higher pressure pin-barrel region, and a drivable screw rotatable in said barrel, said screw having a longitudinal axis, a base, and a screw flight helically disposed thereon, said screw flight being formed with axially spaced gaps extending radially entirely around said base in the areas of said gaps. A plurality of radially inwardly directed pins passe into the pin-barrel region of the press barrel, the radially inner ends of the pins extending substantially to the base of the screw in the regions of the axial gaps and forming narrow radial gaps with the screw base. The presence of the pins in said pin- barrel region effects a substantial buildup of pressure in such region thereby resulting in the release of liquid from the mixture, the diameter of each the pin being less than the length of the adjacent axial gap so as to permit rota- tion of the screw. Each said pin has an axially extending throughbores including a first, open end adjacent the base of the screw and a second end remote from the screw base, the throughbores being at substantially atmospheric pres- sure. The radial dimension of the radial gaps is such that the liquid can be extracted and discharged through the throughbores without any substantial drop in pressure in the pin-barrel region and without clogging of said through- bores. Discharge network means, also at substantially atmospheric pressure, are in fluid flow communication with the second end of each said throughbores.
391427
Koch Klaus
Berstorff (hermann) Maschinenbau G.m.b.h.
Robic Robic & Associes/associates
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