Steam generator for nuclear power plants, especially for pressurized water reactors

Patent · Tue Apr 29 04:00:00 EDT 1980

OSTI ID:5854142

Grimm, H; Sawitzki, M; Sterk, Z

Steam generator for nuclear power plants includes a cylindrical housing, a tube bundle for conducting primary medium enclosed by the housing, and at least one tube support plate holding the tube bundle. The cylindrical housing includes a base member secured to the tube support plate and defining therewith inlet and outlet chambers for the primary medium, the cylindrical housing having a pair of opposing flanges on portions of the cylindrical housing located on opposite sides of the tube support plate, and flange connection means for tightly connecting the portions of the cylindrical housing on opposite sides of the tube support plate. The flange connection means being releasable for assembling and disassembling the tube bundle and includes a stud bolt connection, the flanges have opposing sealing surfaces, a lip seal disposed between the sealing surfaces and have radially outwardly protruding lips tightly welded to one another. The lips have a radially inner region secured by respective circular bead welds to the flanges.

• Assignee: Kraftwerk Union Ag (Germany, Federal Republic of)
• Patent Number(s): US 4200061
• OSTI ID: 5854142
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
BOILERS
BWR TYPE REACTORS
CONFIGURATION
CYLINDRICAL CONFIGURATION
DESIGN
MECHANICAL STRUCTURES
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
POWER PLANTS
PWR TYPE REACTORS
REACTORS
STEAM GENERATORS
THERMAL POWER PLANTS
VAPOR GENERATORS
WATER COOLED REACTORS
WATER MODERATED REACTORS