Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive
Patent
1993-07-01
1995-06-06
Drodge, Joseph W.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Material level or thickness responsive
210 94, 210 961, 2102421, B01D 2130
Patent
active
054219957
ABSTRACT:
A sludge blanket-clarified liquid interface detector apparatus for a wastewater treatment process including a floating decanter assembly preferably includes a sludge detector light source and light sensor pair positioned in spaced apart relation on a sludge layer detector frame which is suspended in depending relation below the floating decanter assembly. The light sensor is interfaced to a process controller to which is also interfaced a decanter valve which flow controls the decant cycle of the process. As the decant cycle proceeds, the decanter assembly descends along with the falling level of liquid in the process reactor until the detector descends past the interface and into the sludge layer. The decrease in light transmission between the light source and sensor is signaled to the controller which causes the decanter valve to close to end the decant cycle to prevent the discharge of polluting sludge from the reactor.
REFERENCES:
patent: 1170290 (1916-02-01), Lindsay
patent: 2154132 (1939-04-01), Mallory
patent: 3025962 (1962-03-01), Williams
patent: 3495617 (1970-02-01), Zifferer
patent: 3551670 (1970-12-01), Topol et al.
patent: 3644914 (1972-02-01), Veasaw et al.
patent: 3923655 (1975-12-01), McKinney
patent: 4348278 (1982-09-01), Caccia
patent: 4446016 (1984-05-01), Stubbs
patent: 4876888 (1989-10-01), Ricketts et al.
patent: 4911831 (1990-03-01), Davison et al.
patent: 4967593 (1990-11-01), McQueen
patent: 4976871 (1990-12-01), Banks et al.
patent: 5015393 (1991-05-01), Russell
patent: 5021161 (1991-06-01), Calltharp
patent: 5036882 (1991-08-01), Norcross et al.
patent: 5078861 (1992-01-01), Krofta
patent: 5080803 (1992-01-01), Bagatto et al.
patent: 5105663 (1992-04-01), Kuhlen
patent: 5106494 (1992-04-01), Norcross
patent: 5186821 (1993-02-01), Murphy
Drodge Joseph W.
JMO Holding, Inc.
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