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Modular fusion-fission hybrid reactor cladding fuel region based on z-pinch drive
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A fuel area and modular technology, applied in fusion reactors, thermonuclear fusion reactors, nuclear reactors, etc., can solve the problems of poor engineering realization, large number of modules, and complex coolant flow channels, etc., to achieve effective cooling, overcome complex structures, The effect of good energy amplification function
Inactive Publication Date: 2017-01-18
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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These designs are all based on tokamak magnetic confinement fusion. Due to the complex structure of the tokamak, these designs mainly adopt small modules, with a large number of modules, complex coolant flow channels, and poor engineering realization.
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Embodiment 1
[0038] Example 1, such as image 3 , Figure 4 , Figure 5 Shown:
[0039] Said N=20, and the annular occupation angle of each fuel block is 18 degrees.
[0040] in:
[0041] The width of the middle module 4 is 2.468 m, and the height is 6.92 m; the number of pipes in each layer of the middle module 4 is 94, a total of 564 pipes; the total flow channel area is 0.1295m 2 ; Power 75.41 MW; Coolant flow rate is 306.9 kg / s; Coolant flow rate is 3.365m / s.
[0042] The upper end module 3 has a top width of 0.53 m, a bottom end width of 2.468 m, and a height of 6.92 m; each row of upper end modules 3 has 263 pieces, a total of 1578 pieces; the height direction is divided into 3 groups, each group has 526 pipes, and the total flow channel The area is 0.1208m 2 ; Power 45.63 MW; Coolant flow rate 185.7 kg / s; Coolant flow rate 2.183 m / s.
[0043] The lower end module 5 has a bottom width of 0.53 m, a top width of 2.468 m, and a height of 6.92 m; each row of lower end modules 5 ha...
Embodiment 2
[0047] Said N=24, the circular occupation angle of each fuel block is 15 degrees.
[0048] in:
[0049] The width of the middle module 4 is 1.843 m, and the height is 6.92 m; the number of pipes in each layer of the middle module 4 is 61, a total of 305 pipes; the total flow channel area is 0.0958 m 2 ; Power 53.56 MW; Coolant flow rate is 242.2 kg / s; Coolant flow rate is 3.590m / s.
[0050] The upper end module 3 has a top width of 0.39 m, a bottom end width of 1.843 m, and a height of 6.92 m; the upper end module 3 has 230 pieces in each row, a total of 1150 pieces; the height direction is divided into 5 groups, each group has 230 pipes, and the total flow channel The area is 0.0723 m 2 ; Power 32.45MW; Coolant flow rate 146.8 kg / s; Coolant flow rate 2.885 m / s.
[0051] The lower end module 5 has a bottom width of 0.39 m, a top width of 1.843 m, and a height of 6.92 m; the lower end modules 5 have 230 pieces in each row, a total of 1150 pieces; the height direction is divi...
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Abstract
The invention discloses a modular type fusion-and-fission hybrid reactor cladding fuel section based on Z pinch driving. A fusion target driving mechanism is arranged at the top end of each fuel section body, a target recycling area is arranged at the bottom end of each fuel section body, the fuel section is divided into the multiple fuel section bodies in the annular direction, and each fuel section body is axially provided with three independent modules which include the trapezoid-table upper-end module located at the upper portion, the cuboid middle module located in the middle and the trapezoid-table lower-end module located at the lower portion. Cooling water pipes of the upper-end modules are arranged to be in transverse-S shapes, cooling water pipes of the lower-end modules are arranged to be in transverse-S shapes, cooling water pipes of the middle modules are axially arranged, an engineering passage is arranged at the outer end of the fuel section and is in a vertically-through type, and the upper end and the lower end of the engineering passage are communicated with the middle section of a double-layer safe shell. Based on Z pinch inertial confinement fusion driving, the defects of the complex structure, the limited available space and the poor hybrid reactor cladding engineering reliability caused by a Tokamak magnetic confinement device are overcome, and long-time stable energy output is achieved.
Description
technical field [0001] The invention relates to a cladding fuel area of a modular fusion and fission mixed reactor based on Z pinch drive, and belongs to the technical field of fusion and fission mixed reactors. Background technique [0002] The fusion-fission hybrid reactor uses the high-energy neutrons produced by the deuterium-tritium fusion reactor to drive the subcritical envelope. The fusion neutrons in the envelope are used to cause fission, produce fissile fuel or transmutate radioactive nuclear waste, and at the same time breed tritium to fuel the fusion reactor. Provide enough tritium. The main purpose of the mixed energy reactor is commercial power generation. The fuel in the cladding is fission reactor spent fuel or natural uranium to achieve higher energy amplification and improve the energy balance of the fusion system. [0003] The fusion-fission hybrid reactor is based on the fact that the fusion reaction is neutron-rich (referring to neutrons that can be ...
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): G21B1/11G21B1/13G21B1/17
CPCY02E30/10
Inventor 马纪敏郭海兵钱达志李正宏黄洪文曾和荣刘志勇王少华宋娟
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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