Noncontaminating energy disipator and a method for optimizing tu

Details Noncontaminating energy disipator and a method for optimizing tu Noncontaminating energy disipator and a method for optimizing tu

1995-09-27

1996-09-10

Capossela, Ronald C.

Refrigeration

Processes

Reducing pressure on compressed gas

62402, F25B 900

Patent

active

055534589

ABSTRACT:
A closed-loop system that dissipates energy from an expander and does not contaminate the expander. The noncontaminating energy dissipator has a closed-loop conduit that is connected to a compressor, a pressure reduction valve and a heat exchanger. A brake gas circulates in the closed-loop conduit from the compressor to the pressure reduction device, then to the heat exchanger and finally back to the compressor, where the process repeats. The use of an inert brake gas prevents interactions between the brake gas and a hazardous process fluid from forming an explosive mixture. The closed-loop conduit has an outlet so that the brake gas can be used for purposes other than circulating through the closed-loop. A make-up conduit and another control valve can be added to the noncontaminating energy dissipator so that brake gas that is lost through seals or other parts of the system can be readily replaced. The noncontaminating energy dissipator can be used to expend excess expander energy in such a way as to optimize the operation of the turboexpander.

REFERENCES:
patent: 3221511 (1965-12-01), Garrett
patent: 3321930 (1967-05-01), LaFleur
patent: 4169361 (1979-10-01), Baldus
patent: 4170116 (1979-10-01), Williams
patent: 4646524 (1987-03-01), Kawashima et al.
patent: 5038583 (1991-08-01), Gali
patent: 5107682 (1992-04-01), Cosby

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