Filtration of rolling solutions

Details Filtration of rolling solutions Filtration of rolling solutions

1996-04-19

1998-10-20

Popovics, Robert

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

210791, 210798, 210 90, 210108, 210409, 210411, B01D 3700, B01D 2968

Patent

active

058242295

ABSTRACT:
Rolling solutions used in cold rolling are pressurized and filtered at working temperature using a filter of the scanning flush type in which flushing nozzles exhausting to a low pressure zone are scanned over an upstream surface of the filtration medium during flushing cycles triggered by a pressure drop across the filter exceeding a predetermined level. Flushing retentate exhausted during the flushing cycles is treated in a secondary filter. Harmful particulates can be removed without retaining wanted components of the rolling solution.

REFERENCES:
patent: 3168467 (1965-02-01), Dreyer
patent: 4692247 (1987-09-01), Orlans
patent: 4859335 (1989-08-01), Whyte
patent: 5164079 (1992-11-01), Klein
patent: 5198111 (1993-03-01), Davis

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