Device and method for assembling fast reactor MOX components
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA INSTITUTE OF ATOMIC ENERGY
- Publication Date
- 2016-04-13
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of reactor engineering, in particular to a device and method for assembling fast reactor MOX components. Background technique
[0002] A typical fast reactor MOX fuel rod consists of an upper end plug, a compression spring, a cladding tube, an upper conversion region (depleted uranium pellet), a fuel region (MOX pellet), a lower conversion region (depleted uranium pellet), a winding wire, and a lower end plug and other components, the MOX fuel pellets are sealed in the cladding tube, and both ends of the MOX fuel pellets are depleted uranium pellets with excellent gamma and neutron shielding effects.
[0003] A typical fast reactor MOX assembly consists of an upper section of the assembly, a hexagonal outer sleeve, a grid plate, a lower section of the assembly, and fuel rods constrained into a hexagonal rod shape. The upper section of the assembly is provided with an operating head for grabbing the assembly...