Liquid Metal Cooling Reactor and Management Method Based on Improving Fuel Utilization
A liquid metal cooling and utilization technology, applied in the field of nuclear reactors, can solve the problems of affecting the fuel economy of the core, reducing the fuel utilization rate, large neutron leakage of liquid metal cooling fast reactors, etc., to achieve enhanced engineering feasibility, The effect of improving the average unloading fuel consumption
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[0027] Such as Figure 1 to Figure 4 As shown, based on the liquid metal cooling reactor with improved fuel utilization rate, a circle of low-power fuel assemblies 7 is arranged on the outermost periphery of the reactor core, and control rod assemblies 9 and high-power fuel assemblies 8 are arranged crosswise in the inner area of the core. Both the low-power fuel assembly 7 and the high-power fuel assembly 8 are hexagonal fuel assemblies composed of a positioning tube 1, an instrument tube 4, a natural uranium dioxide fuel rod element 2 and a uranium plutonium oxide fuel rod element 3; In the power fuel assembly 8, the natural uranium dioxide fuel rod elements 2 are arranged in two circles, and the uranium plutonium oxide fuel rod elements 3 are arranged between the two circles of natural uranium dioxide fuel rod elements 2, and in the low power fuel assembly 7 The natural uranium dioxide fuel rod element 2 is arranged in a circle, and the uranium plutonium oxide fuel rod el...
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