Integral forged shroud flange for a boiling water reactor

Details Integral forged shroud flange for a boiling water reactor Integral forged shroud flange for a boiling water reactor

1998-02-02

1999-11-30

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Shield or barrier between radiation or heat source and...

376302, G21C 1100

Patent

active

059955740

ABSTRACT:
A shroud including an integral track for mounting inspection and cleaning tooling is described. In one embodiment, the shroud includes substantially cylindrical first and second shroud sections having a main body with a first end and a second end. One shroud first end has a weld prepared surface. Each shroud section includes a ledge in an exterior surface adjacent the first end. A weld is formed between the weld prepared surface and the first end of the second shroud section. At the weld, the shroud is substantially geometrically balanced with equal material on both sides of the weld. A geometrically balanced weld provides the same heat sink characteristics on both sides of the weld, and allows for a more uniform distribution of weld residual stresses.

REFERENCES:
patent: 5521951 (1996-05-01), Charnley et al.
patent: 5583899 (1996-12-01), Relf
patent: 5600690 (1997-02-01), Weems et al.

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