Process and arrangement for cooling fluids

Details Process and arrangement for cooling fluids Process and arrangement for cooling fluids

1975-04-11

1976-06-22

Yudkoff, Norman

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 40, 62335, 62510, F25J 102

Patent

active

039648915

ABSTRACT:
A process for liquefying gaseous substances is disclosed wherein a first fluid to be liquefied is conveyed along a first path including a portion in which it is cooled. A cooling fluid is conveyed along a second path including a first section in which it is cooled, a second section in which it exchanges heat with the first fluid so as to cool the latter, and a third section thermally separated from the aforementioned first section of the second path. A precooling fluid is conveyed along a third path including a first part also thermally separated from the aforementioned first section of the second path and wherein it exchanges heat with the cooling fluid in the third section of the second path so as to be cooled thereby. The third path further includes a second part wherein the precooling fluid exchanges heat with the cooling fluid in the first section of the second path so as to cool the same. The precooling fluid is so selected that the heat is absorbed thereby in the second part of the third path and heat leaves the cooling fluid in the first section of the second path at small temperature differences.

REFERENCES:
patent: 3596472 (1971-08-01), Streich

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