Sewage effluent volume control and alarm arrangement for pressur

Details Sewage effluent volume control and alarm arrangement for pressur Sewage effluent volume control and alarm arrangement for pressur

1979-04-09

1980-10-28

Adee, John

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

210104, 210121, 210532S, C02C 100

Patent

active

042305780

ABSTRACT:
Sewage effluent from a septic tank collects in a holding tank before being pumped out into a disposal field. The pump is turned on and off automatically by a control circuit which includes maximum and minimum level float switches in the holding tank, so that a predetermined volume of the effluent is discharged under pressure into the disposal field during each on-and-off cycle of the pump. A third float switch in the holding tank triggers an alarm whenever the effluent rises above a predetermined maximum level. The alarm signalling system may be silenced or tested by a manual switch.

REFERENCES:
patent: 3679053 (1972-07-01), Koulovatos et al.
patent: 3925206 (1975-12-01), Dea
patent: 4042497 (1977-08-01), Maltby
Chemical Engineering Magazine, pp. 226-227, 6/12/61.

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