Method of multi-stage compressor surge control

Details Method of multi-stage compressor surge control Method of multi-stage compressor surge control

1984-06-07

1986-10-21

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

Method of operation

415 11, 415 47, 415179, F04D 2702

Patent

active

046183108

ABSTRACT:
As an improvement in an anti-surge control method for a multi-stage centrifugal compressor having interstage coolers, this invention comprises, when there is an imbalance of stage flows relative to surge, replacing recycle with warm expanded gas to the maximum extent possible that still achieves an energy saving as compared with not effecting such replacement.

REFERENCES:
patent: 3292845 (1966-12-01), Hens et al.
patent: 3947146 (1976-03-01), Schauster
patent: 4156578 (1979-05-01), Agar et al.
patent: 4203701 (1980-05-01), Abbey
patent: 4230437 (1980-10-01), Bellinger et al.
patent: 4362462 (1982-12-01), Blotenberg
patent: 4417847 (1983-11-01), Kube

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