Safety device for a filling tube of an underground facility for

Details Safety device for a filling tube of an underground facility for Safety device for a filling tube of an underground facility for

1986-08-13

1988-03-22

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Fluid storage in earthen cavity

405 59, B65G 500

Patent

active

047325089

ABSTRACT:
A safety device for a tube (8) for inserting or removing a liquid substance for storage in a storage facility in a cavity in a water-impregnated rock mass, said liquid being the liquid phase of a substance which is a gas at ordinary temperature, which liquefies under pressure, which has a density which is less than the density of water and which is immiscible with water, said liquefied gas being stored in said cavity under the liquid-gas equilibrium pressure applicable to the ambient temperature in the cavity, the safety device being constituted by a can (9) which is open at the top and which is disposed around the bottom end (81) of the tube to which it is applicable such that the bottom opening of the tube (8) is located near to the bottom of the can, the volume of the can being greater than the volume of the tube up to a height corresponding to the head of water necessary for reaching an equilibrium pressure with the cavity.

REFERENCES:
patent: 3105358 (1963-10-01), Reed
patent: 4417829 (1983-11-01), Berezoutzky

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