Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1981-12-03
1984-05-29
Therkorn, Ernest G.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210745, 210800, 210 961, 210112, 210143, 8139, 8158, 68 18R, B01D 2124
Patent
active
044513801
ABSTRACT:
An apparatus for separating heavy solids from an effluent, for example wool scouring effluent, comprising a tank having a solids discharge outlet at its base and an ultra-sonic sensor located at a predetermined distance from this outlet. Means responsive to the output of the sensor, for example a solonoid controled valve, are provided for opening the discharge outlet when the solids concentration exceeds the preset limit. Preferably, a secondary settlement tank immediately below and directly communicating with the main tank is provided and the discharge outlet, controlled by a suitable valve, is at the base of the secondary tank. The secondary tank has a zone offset from the main solid flow in which the sensor may be located in order that large aggregates of solids do not lead to spurious operation of the sensor.
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Blank Charles A.
Therkorn Ernest G.
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