B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/54
B01D 33/04 (2006.01) B01D 33/00 (2006.01)
Patent
CA 1128425
-1- ABSTRACT A horizontal vacuum belt filter having an endless filter cloth on which a residue filter cake is, in use, formed; a filter head roller; a rotatable discharge roller located some distance forward of the head roller, a portion of the filter cloth passing over a segment of the cylindrical surface of the discharge roller and being in engagement therewith; a plurality of longitudinally directed and circumferentially spaced apart passages being provided in the discharge roller which are each in communication with a different segment of the cylindrical surface of the discharge roller via suitable bores; a first valve for directing a discharge liquid to those passages which are in communication, at any particular time, with that segment of the cylindrical surface of the discharge roller engaged by the filter cloth; and a plurality of second valves for permitting flow of discharge liquid only from those passages that are in communication with the said segment through the bores associated with those passages to the said segment. The second valves may be in each of the bores close to the outlet end thereof and may be pressure operated with the discharge liquid being supplied under pressure to those passages in communication with the said segment.
333709
Delkor Technik (proprietary) Limited
Kirby Eades Gale Baker
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