Cleaning and liquid contact with solids – Apparatus – With heating – cooling or heat exchange means
Patent
1992-01-03
1993-12-07
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With heating, cooling or heat exchange means
134108, 134200, B08B 310
Patent
active
052675815
ABSTRACT:
An apparatus for and method abating discharges of chemicals into the environment. The apparatus comprises a retractable top and a shroud to trap and recondense vapors emanating from open-top chemical processing and solvent cleaning tanks. The retractable top is formed by a plurality of panels that are pivotally attached to the top of the tank. The temperature of the interior surfaces of the panels is controlled to create an equithermal zone across the top of the tank.
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