Method for eliminating hazardous materials from cargo tank wet l

Details Method for eliminating hazardous materials from cargo tank wet l Method for eliminating hazardous materials from cargo tank wet l

1992-11-09

1995-01-03

Michalsky, Gerald A.

Fluid handling

Processes

Cleaning, repairing, or assembling

137209, 137210, 137240, 141 91, 141113, 251144, B05B 314

Patent

active

053777158

ABSTRACT:
The invention disclosed relates to a method for purging hazardous or volatile materials from external loading lines fixed to the bottom of cargo tank compartments. According to the invention, pressurized gas is directed into each external loading line to force the material to the lowest point in the loading line, through a purging tube, and back into the cargo tank compartment. In one embodiment, the purging apparatus is wholly contained on the cargo tank. In another embodiment, the apparatus is partly contained on the cargo loading facility and partly contained on the cargo tank.

REFERENCES:
patent: 3989070 (1976-11-01), Liberg
patent: 4150700 (1979-04-01), Fox, Jr.
patent: 4216185 (1980-08-01), Hopkins
patent: 4469143 (1984-09-01), Vazin
patent: 4874002 (1989-10-01), Sundholm
patent: 5007444 (1991-04-01), Sundholm

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