Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element is fluid pressure sensitive
Patent
1987-01-08
1988-05-03
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element is fluid pressure sensitive
137 682, 137797, 220 89A, 422113, 422117, 422119, G05B 2312, G05B 900, F16K 1740
Patent
active
047418818
ABSTRACT:
A chemical reactor vessel is provided with a plurality of tubes filled with a heat exchange fluid. The tubes are disposed in a heat exchange relationship with the reactor contents and are coupled via pressure sensitive rupture discs and a header to a reservoir. Upon overheating of the reactor contents, excess heat is absorbed by the heat exchange fluid which boils off at a predetermined vaporization temperature and vapor pressure to rupture the discs and thereby establish fluid communication between the tubes and a heat exchange fluid contained in the reservoir, and thereby maintaining the reactor contents at a preselected safe temperature.
REFERENCES:
patent: 3297412 (1967-01-01), Phillips et al.
patent: 3854522 (1974-12-01), Didycz et al.
patent: 4288404 (1981-09-01), Redikultsev et al.
patent: 4622209 (1986-11-01), Nardi et al.
patent: 4627962 (1986-12-01), Grasset et al.
Abeles D. C.
Richman Barry S.
Westinghouse Electric Corp.
Woodard Joye L.
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