Nuclear power plant component protection

Details Nuclear power plant component protection Nuclear power plant component protection

1973-11-21

1976-01-06

Borchelt, Benjamin A.

176DIG2, G21f 300, G21c 1102

Patent

active

039309436

ABSTRACT:
A nuclear power plant installation includes a concrete biological shield forming a pit in which a reactor pressure vessel is positioned. A steam generator on the outside of the shield is connected with the pressure vessel via coolant pipe lines which extend through the shield, the coolant circulation being provided by a coolant pump which is also on the outside of the shield. To protect these components on the outside of the shield and which are of mainly or substantially cylindrical shape, semicylindrical concrete segments are interfitted around them to form complete outer cylinders which are retained against outward separation radially from the components, by rings of high tensile steel which may be interspaced so closely that they provide, in effect, an outer steel cylinder. The invention is particularly applicable to pressurized-water coolant reactor installations.

REFERENCES:
patent: 3192121 (1965-06-01), Challender et al.
patent: 3264190 (1966-08-01), Janner
patent: 3716451 (1973-02-01), Van Sickel et al.

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