F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
62/25, 62/92
F28D 1/00 (2006.01)
Patent
CA 1245871
ABSTRACT A tubular heat exchanger submerged to the bottom of a body of water comprises at least one tubular member through which there is intended to flow a liquid heat carrier whose inlet temperature is lower than the freezing point of the water in the body of water. The tubular member contacts the bottom at a plurality of locations so chosen that the dis- tance between two mutually adjacent locations is short in relation to the length of tube between two consecutive con- tact locations between the tubular member and the bottom. Those parts of the tubular member which are in contact with the bottom of the body of water are covered with a suitably coherent layer of lump ballast material, which due to the relatively low input temperature of the heat carrier flowing through the tubular member is caused to freeze into a block of ice and ballast material. The frozen block forms a thermal conductor for distributing cold from the inlet of the tubular member and regions in the near vicinity thereof to remaining parts of the tubular member, so that there is formed on the outer surfaces of those parts of the tubular member lying freely in the water between the contact loca- tion a cylindrical covering of ice of substantially uniform thickness.
469931
Jelbring Hans
Ridout & Maybee Llp
LandOfFree
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