Device for core container-crash protection and coolant guidance in a nuclear reactor pressure vessel

Patent · Tue Aug 04 00:00:00 EDT 1981

OSTI ID:5853200

Werres, L

Apparatus for core-barrel crash protection and conduction of coolant in a nuclear reactor pressure vessel is described which has a spherical bottom, including a core support structure having a core barrel and being disposed within the pressure vessel, including coolant collecting means disposed below the core support structure and supported on the spherical bottom for equalizing coolant flow, the collecting means being in the form of a substantially hollow cylindrically walled perforated barrel having coolant passage openings formed therein, the spherical bottom having an annular bracket and a central bracket rigid thereto, the perforated barrel having a lower rim disposed on the annular bracket and a central support piece disposed on the central bracket, and means for pressing the lower rim against the annular bracket, the pressing means including a strut system connecting the central support piece to the cylindrical wall of the perforated barrel and detachable connecting means for clamping the central support piece to the central bracket.

• Assignee: Kraftwerk Union Ag (Germany, Federal Republic Of)
• Patent Number(s): US 4282063
• OSTI ID: 5853200
• Resource Relation: Patent Priority Date: Priority date 28 Oct 1977, German, Federal Republic of (F.R. Germany)
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
CORE CATCHERS
COOLANT CLEANUP SYSTEMS
DAMAGE
MECHANICAL STRUCTURES
REACTOR CORES
REACTOR SAFETY
SAFETY ENGINEERING
SUPPORTS
COOLING SYSTEMS
ENERGY SYSTEMS
ENGINEERING
PRIMARY COOLANT CIRCUITS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SAFETY
220900* - Nuclear Reactor Technology- Reactor Safety
220200 - Nuclear Reactor Technology- Components & Accessories