Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1992-09-17
1993-12-21
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422 62, 422 63, 422108, 436119, 436163, 204400, 55220, G05B 106
Patent
active
052719049
ABSTRACT:
A sheath is used to house a conventional pH sensor within the sheath's interior. The sheath is exposed to a descending spray within a sulfur dioxide (SO.sub.2) absorber. A fill port collects a portion of the spray and the sheath accumulates the collected spray as a slurry sample within its interior. The pH sensor becomes immersed in the sample slurry. Slurry is discharged from the interior by way of drain notches and drain holes. Discharged sample slurry descends to enter a bulk slurry to allow recycling. A steady state of slurry collection and slurry discharge is reached such that the sample slurry is continuously refreshed. Elevation of the sheath over the bulk slurry prevents slurry from the bulk from entering into the slurry sample.
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Andes Gary M.
Esposito Albert J.
Maybach Gerard B.
Electric Power Research Institute Inc.
Housel James C.
Maccoun James W.
Pyon Harold Y.
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