Liquid purification or separation – Processes – Separating
Patent
1995-06-05
1997-02-04
Upton, Christopher
Liquid purification or separation
Processes
Separating
210791, 210386, 210400, 210401, B01D 3304, B01D 33056
Patent
active
055994628
ABSTRACT:
A vacuum or gas pressure clamp prevents movement of an elongate filter cloth used in a horizontal vacuum filter. The clamp includes a support frame and a planar supporting device having a perforated support surface for supporting the filter cloth. The vacuum clamp is mounted on the frame and is adapted for connection to a vacuum source so that vacuum can be applied to numerous holes in the support surface. An imperforate sealing sheet extends over the support surface and in close proximity thereto. The filter cloth can be drawn between the supporting device and the sealing sheet. A vacuum can be applied to the filter cloth in order to prevent its movement in the longitudinal direction. Preferably the support surface forms a rectangular grid comprising rows of closely spaced holes. This grid is surrounded by a sealing surface. In the gas pressure clamp, an enclosure extends around the supporting device and the sealing sheet and a positive air pressure can be provided in this enclosure. In this version, the perforated support surface can be vented to atmosphere.
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Komline-Sanderson Ltd., The Komline-Sanderson horizontal vacuum filter precise, continuous liquid/solid separation, cake washing & drying, 1992.
Komline-Sanderson Limited
Upton Christopher
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