Filter cloth, filtering process, and filtering device for liquid

Details Filter cloth, filtering process, and filtering device for liquid Filter cloth, filtering process, and filtering device for liquid

1998-12-16

2000-08-15

Popovics, Robert J.

Liquid purification or separation

Processes

Separating

210780, 210331, 210332, 21033301, 210391, 210407, 210411, B01D 3700, B01D 3350, B01D 2968

Patent

active

061031321

ABSTRACT:
A filter cloth for liquid filtration is made as a long-pile fabric, the pile threads 21 of which lie on the flow side and are flattened against the supporting fabric during the filtration and form a deep filter. At the time of back washing they are straightened by the back washing and release the dirt particles. The back washing is performed preferably by means of a suction bar 13, which at the same time acts mechanically on the pile threads, in order to promote an abrupt straightening of the pile threads at the time of back washing and the flattening of the pile threads after the back washing.

REFERENCES:
patent: 1649220 (1927-11-01), Goodloe
patent: 1833315 (1931-11-01), Burhans
patent: 4167482 (1979-09-01), Muller
patent: 4725292 (1988-02-01), Williams
patent: 5560835 (1996-10-01), Williams
patent: 5925155 (1999-07-01), Rodgers

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