Method of and apparatus for controlling rate of material air sup

Details Method of and apparatus for controlling rate of material air sup Method of and apparatus for controlling rate of material air sup

1979-01-25

1981-04-14

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 29, F25J 304

Patent

active

042617197

ABSTRACT:
A method of and apparatus for optimizing the rate of material air supply to an air separation plant, for preserving a stable operation of the plant, through stabilizing heat balance and material balance in the plant irrespective of variation in the flow rate of a gas through an expansion turbine incorporated in the plant and the flow rate of product gases so as to optimize the purity and amount of produced gas. The control for the optimization is performed making a ratio of the difference between the flow rate of the material air and the flow rate of the gas through the expansion turbine to the flow rate of the product gases, as an essential factor for the control.

REFERENCES:
patent: 3912476 (1975-10-01), Mikawa et al.

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