B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
20/15.22
B65D 88/00 (2006.01) B65D 88/48 (2006.01)
Patent
CA 1254017
A B S T R A C T Improvements to floating roof tanks for liquids, in particular to storage tanks used in the nuclear power industry. The invention relates to floating roof tanks for liquids, of the type comprising a cylindrical wall (2), a floating roof (3), and a flexible membrane (4) connecting the periphery of the floating roof to the wall. In accordance with the invention, the tank further includes an overflow duct for providing protection against over-filling when the roof (3) is in its top position. The overflow duct (26) is mounted on the outside of the tank and has an upsidedown U-shaped portion disposed at a height corresponding to a maximum predetermined level for liquid inside the tank when the roof is in its top position. The invention is applicable to the nuclear power industry for storage tanks for topping up the primary circuit of a nuclear reactor with de-gased water.
491295
Electricite de France - Service National
Ridout & Maybee Llp
LandOfFree
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