Method and arrangement for the compression of gas

Details Method and arrangement for the compression of gas Method and arrangement for the compression of gas

1993-07-08

1994-12-13

Capossela, Ronald C.

Refrigeration

Processes

Reducing pressure on compressed gas

62260, 62402, 165 45, F25B 900

Patent

active

053720105

ABSTRACT:
A method and an arrangement for compressing gas in a compressor station for a gas pipeline, especially in areas of permanent frost, wherein the gas is supplied in the gas pipeline to the compressor station at an entry pressure and the gas is returned to the pipeline for further transportation in the pipeline at a desired exit temperature and at an exit pressure which is higher than the entry pressure. The gas is initially compressed at least during individual time intervals to an excess pressure which is substantially higher than the desired exit pressure. The compressed gas is then cooled by heat exchange to a temperature above the desired exit temperature. Finally, the gas is further cooled to the desired exit temperature by expanding the gas from the excess pressure to the exit pressure.

REFERENCES:
patent: 2875589 (1959-03-01), Horn
patent: 2958205 (1960-11-01), McConkey
patent: 3002362 (1961-10-01), Morrison
patent: 3118286 (1964-01-01), Schroeder
patent: 3802213 (1974-04-01), Ooka
patent: 3846994 (1974-11-01), Reid
patent: 4192655 (1980-03-01), von Linde
patent: 4350019 (1982-09-01), Chocas

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