Method and apparatus for removing extraneous matters

Details Method and apparatus for removing extraneous matters Method and apparatus for removing extraneous matters

1984-07-27

1987-09-08

Metz, Andrew H.

Liquid purification or separation

Processes

Separating

210108, 210111, 210412, 210425, 137875, 137877, B10D 2324

Patent

active

046922539

ABSTRACT:
Method and apparatus for removing extraneous matters from cooling water used in a tubular heat exchanger such as a condensor is disclosed. When a pressure difference between the portions upstream and downstream of a filter element exceeds a predetermined threshold value set in advance in accordance with the flow rate of the cooling water, a blow-down operation is started to remove the extraneous matters scraped off of the outer peripheral surface of the filter element by a turning flow. The extraneous matters are removed at a rate of clogging of the filter element of 50%, irrespective of the flow rate of the cooling water. The clogging rate can be sensed accurately, and the blow-down operation is effected with necessary and sufficient frequency.

REFERENCES:
patent: 3789992 (1974-02-01), Treplin et al.
patent: 3828930 (1974-10-01), Eimer et al.
patent: 4311591 (1982-01-01), Eimer et al.
patent: 4394262 (1983-07-01), Bukowski et al.
patent: 4482461 (1984-11-01), Hindman et al.
patent: 4543188 (1985-09-01), Okouchi et al.

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