Venting process for organic heat transfer media

Details Venting process for organic heat transfer media Venting process for organic heat transfer media

1980-10-16

1982-03-09

Camby, John J.

Heating

Having condition responsive control

Of purger, purge period, scavenger or cleaner

34 26, 432 2, F27D 1900, F27D 2302

Patent

active

043186904

ABSTRACT:
A process for automatically venting noncondensable contaminants from a number of process vessels heated with an organic heat transfer vapor medium involves monitoring the temperature at each vessel and intermittently venting all vessels simultaneously in response to a temperature drop at any one vessel. By venting intermittently for a predetermined period energy is conserved. Equipment costs are minimized by simultaneous venting through a single control valve.

REFERENCES:
patent: 3942262 (1976-03-01), Perry
patent: 4253821 (1981-03-01), Bradshaw
"Dowtherm A and E Handbook", The Dow Chemical Co., .COPYRGT.1960, 1963, pp. 1-9 and 48-52.
"Dowtherm Heat Transfer Fluids . . .", The Dow Chemical Co., .COPYRGT.1967, 1969, 1971, pp. 2-5 and 56-60.

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