B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/155
B03B 11/00 (2006.01) B03B 5/62 (2006.01)
Patent
CA 1065800
HELICAL FLOW MULTICHANNEL SEPARATOR WITH IMPROVED ELUENT SUPPLY ABSTRACT There is provided an eluent supply system for a gravitational separator of the type that comprises one or more helical sluices. The eluent supply system is relatively free from blockage problems but is capable of supplying a wide range of eluent flow rates. The eluent supply system includes a helical gallery conduit that is coaxial with and that has the same pitch as the separator sluice. Eluent is fed to the upper end of the conduit at a rate that ensures that residual eluent will discharge from the lower end of the conduit and there will be an eluent stream in the conduit having a free surface throughout its length. Tap-offs feed eluent from the conduit to the sluice, each tap-off comprising an insert having an aperture that extends through the conduit from the eluent stream. The aperture has a portion of its inner lip broken away to a greater extent than the remainder of the lip. The insert is rotatable to vary the amount of eluent delivered through the aperture.
291270
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