Cryogenic pipeline system

Details Cryogenic pipeline system Cryogenic pipeline system

1978-04-06

1980-08-26

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

Insulated

138113, 138149, 285DIG5, F16L 918, F16L 5914

Patent

active

042192242

ABSTRACT:
A pipeline system particularly designed for transporting liquefied natural gas (LNG) comprising a plurality of pipe sections connected together as by welding, each section having an outer pipe or jacket and an inner liquid carrier pipe which is in compression when installed and which is secured at opposite end portions to the outer pipe by connector cones, the outer pipe being placed in tension by the connector cones. To reduce the thermal stress in the carrier pipe and heat leak from the outer to the inner pipe, each of the cones is connected to the inner pipe through a fiber reinforced plastic insulating member, preferably a polyester fiberglass cylinder. Thermal insulation such as polyurethane foam is placed in the annular space between the inner and outer pipes for further resistance to heat flow into the system.

REFERENCES:
patent: 3275345 (1966-09-01), Waldron et al.
patent: 3369826 (1968-02-01), Boosey et al.
patent: 3865145 (1975-02-01), McKay et al.

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