Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1983-06-30
1985-04-02
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 46, 34 48, 34 50, 34 54, 73 29, 236 44R, 236 44C, F26B 2106
Patent
active
045078750
ABSTRACT:
A device for determining the concentration of condensable vapor in a flowing gas stream which includes a gas evacuation conduit for receiving a sample of gas from the stream, a gas condenser in the evacuation conduit for condensing out essentially all of the condensable vapors in the sample and a gas flowmeter connected to the gas discharge of the gas condenser for determining the flow of the dry gas sample exiting the condenser. A pump is provided for withdrawing a sample of gas from the flowing gas stream and for conveying this sample at a constant, known volumetric flow through conduit and to the gas condenser and the flowmeter and a control means operatively connected to the flowmeter determines the condensable vapor concentration by comparing the flow of the dry gas sample with the known volumetric flow fed to the condenser.
REFERENCES:
patent: 2695514 (1954-11-01), Brown
patent: 4090179 (1978-05-01), Hirano
patent: 4221058 (1980-09-01), Zagorzycki
Mulsow, Robert, "Direkte Messung des Dampf-Luft-Gehaltes in Trockenkammern," Melliand, 33, 10/1952 at p. 967.
Ehling Uwe
Hirsch Werner
B.A.T. Cigaretten-Fabriken GmbH
Schwartz Larry I.
Westphal David W.
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