Process and apparatus for the preparation of a gas flow

Details Process and apparatus for the preparation of a gas flow Process and apparatus for the preparation of a gas flow

1991-11-21

1993-09-07

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422199, 422173, 236 121, 236 1211, 137 3, 137 88, 137 89, F28D 716, G05D 2313, F17D 104

Patent

active

052426645

ABSTRACT:
To prepare a flow of gas at a high temperature of operation, a flow of gas which has previously been heated to a temperature much lower than the operating temperature is divided into two elementary flows, which are thereafter individually heated at higher temperatures, one of which is higher than the operating temperature and the other being lower than the operating temperature. The two flows thus differently heated are each sent to a buffer container which is heat insulated and two elementary gas flows are withdrawn from the containers and are thereafter combined in regulated proportion by means of a mixing valve adjusted at a control mixing position by means of a correcting signal which differentiates between the effective temperature of the gas prepared and a control temperature. Application for example to the manufacture of articles made of expanded foam material utilizing carbon dioxide.

REFERENCES:
patent: 3451783 (1964-12-01), Collins
patent: 3496991 (1970-02-01), Barnd

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