Gas pressure relief apparatus

Details Gas pressure relief apparatus Gas pressure relief apparatus

1987-12-15

1989-01-31

Rivell, John

Fluid handling

With liquid valves or liquid trap seals

Liquid seal in liquid flow line; flow liquid forms seal

1372511, 137253, F16K 1310

Patent

active

048009148

ABSTRACT:
A pressure relief device for a process or pipeline including a vertical column, preferably open to the atmosphere near the top, having a certain level of liquid therein and a conduit loop in fluid communication with the column and attached to the column near the bottom of the column and generally extending upward to a predetermined distance from the bottom to a point wherein the conduit is in fluid communication with the pipeline, the conduit having a certain level of liquid which is dependent upon the column liquid level, the pressure in the pipeline, and the density of the liquid, the column having a diameter and height large enough to prevent entrainment of the liquid when the pressure in the pipeline is relieving.

REFERENCES:
patent: 772037 (1904-10-01), Harris
patent: 1697717 (1929-01-01), Corwin
patent: 2489524 (1949-11-01), Crabbe
patent: 2501461 (1950-03-01), Wirth
patent: 2662409 (1953-12-01), Dwyer
patent: 2714168 (1955-07-01), Hencke et al.
patent: 3122924 (1964-03-01), Pall
patent: 3222259 (1965-12-01), Wall, Jr.
patent: 4655242 (1987-04-01), Hamazaki et al.

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