Central coolant system with intermittent waste flushing

Details Central coolant system with intermittent waste flushing Central coolant system with intermittent waste flushing

1986-02-13

1987-04-07

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210138, 210167, 210168, 2104165, 184 74, F01M 110, F01M 1102

Patent

active

046559400

ABSTRACT:
This invention relates to a central coolant system utilized to circulate filtered soluble oil coolant to a plurality of machining stations to flush machining waste from the stations. According to the invention, only the coolant required at the stations is continuously circulated in the system, and the machining waste is allowed to accumulate in the return flumes. This waste is periodically flushed, e.g., for 2-10 minutes every 2 hours or so, by additional coolant injected into the flumes. The flumes can be intermittently flushed by injecting a relatively small additional volume of additional coolant into individual collection flumes in series or by injecting a larger volume of coolant into all of the flumes simultaneously, both for a limited period of time. Substantial savings in pumping energy and overall coolant system size can be obtained.

REFERENCES:
patent: 2595559 (1952-05-01), Alvord
patent: 2652737 (1953-09-01), Longstreet
patent: 3618707 (1971-11-01), Sluhan

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