Liquid ring pump seal liquid chiller system

Details Liquid ring pump seal liquid chiller system Liquid ring pump seal liquid chiller system

1980-03-10

1982-11-16

Croyle, Carlton R.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

165101, F04C 1900

Patent

active

043593135

ABSTRACT:
In a system for evacuating fluids having vapor and gaseous phases, including a liquid ring pump, the seal liquid for which is provided in a closed system and is cooled by a heat exchanger through cooling liquid fed to the heat exhanger from outside the system, means are provided for diverting the seal liquid through a chiller when the temperature of the cooling liquid approaches the temperature of the gas/liquid mixture entering the pump. The chiller maintains the seal liquid temperature below the temperature of the cooling liquid in the heat exchanger and the cooling liquid is used in the chiller to receive the heat rejected from the seal liquid.

REFERENCES:
patent: 1346898 (1920-07-01), Kingsbury
patent: 1991548 (1935-02-01), De Motte
patent: 3248233 (1966-04-01), Brent et al.
patent: 3315879 (1967-04-01), Jennings
patent: 3875995 (1975-04-01), Mannion et al.
patent: 4071082 (1978-01-01), Economides
patent: 4087208 (1978-05-01), Uda et al.

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