Volatile liquid catalyst handling system including distibution c

Details Volatile liquid catalyst handling system including distibution c Volatile liquid catalyst handling system including distibution c

1989-07-17

1990-08-28

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

141 21, 141 95, 141192, 164154, 312211, 312234, 312236, 422 81, 422104, 422105, 422106, G01N 3110, B22D 1116, B65B 130, B65B 3104

Patent

active

049523716

ABSTRACT:
A system for delivering liquid catalyst to a core-making machine includes a single fireproof cabinet in which is located a catalyst storage tank. The storage tank receives catalyst from catalyst supply drums that are positioned one at a time in a pumping station located in the cabinet beside the tank and emptied into the tank by a barrel pump. A flash-off station is located in the cabinet beside the pumping station for receiving emptied drums and an exhaust hose, that is coupled to a scrubber system exhaust duct, is positionable within the drum to carry away vapors produced in the drum as residual catalyst flashes off. A catalyst supply pump is coupled for pumping liquid catalyst from the storage tank to a gassing unit of a core-making machine. Excess catalyst is returned from the gassing unit to the storage tank by way of a water-cooled heat exchanger which cools the returning catalyst and hence that remaining in the tank so as to keep the catalyst at a temperature low enough to prevent its vaporization and thus the vapor locking of the supply pump.

REFERENCES:
patent: 3536370 (1970-10-01), Evans et al.
patent: 3874754 (1975-04-01), Saunders et al.
patent: 4304224 (1981-12-01), Fortney
patent: 4483384 (1984-11-01), Michel
patent: 4495028 (1985-01-01), Rowe
patent: 4540531 (1985-09-01), Moy
patent: 4852621 (1989-08-01), Bear

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