Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-11-25
1976-09-07
Adee, John
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 96R, 210534, B01D 2124
Patent
active
039792900
ABSTRACT:
There is provided an apparatus for automatically controlling and regulating the freedom from suspended matter of quiescent reservoir overflow liquid in mechanical separatory processes for liquid-solid phases based on the sedimentation of suspended particles in quiet or slow flowing liquids. The apparatus includes a quiet reservoir 2 below an overflow outlet 1, a withdrawal tube 6 for removal of liquid or suspension from the reservoir, a free falling interval below the outer end of the tube 6, a light ray 3 between a light source 4 and a photoelectric cell 5 arranged across the free falling interval. The tube 6 enters the reservoir at the height of the uppermost suspension material boundary level. The photocell 5 is operatively connected with the driving circuit of a slurry pump 8 connected to the outlet 12 at the bottom of the quiet reservoir 2.
There is also disclosed the process of using the apparatus.
REFERENCES:
patent: 3616925 (1971-11-01), Tolman
patent: 3618766 (1971-11-01), Morey
patent: 3834128 (1974-09-01), Gardiner
patent: 3878094 (1975-04-01), Conley et al.
Adee John
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
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