Integrated small molten salt reactor

A molten salt reactor, a small-scale technology, applied in the direction of reactors, greenhouse gas reduction, reactor fuel materials, etc., can solve the problems of short service life, poor safety and reliability, complex structure, etc., to achieve simplified structure, enhanced core heat exchange capacity, The effect of simplifying the system structure

Active Publication Date: 2018-04-20
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of complex structure, poor safety and reliability, and short service life in the above-mentioned prior art, the present invention provide

Method used

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Embodiment 1

[0026] This embodiment takes an integrated small molten salt reactor with a thermal power of 1 MWt as an example.

[0027] like figure 1 and figure 2 As shown, the core of an integrated small molten salt reactor includes a fuel salt 1, a heat pipe 2, a core vessel 3, a side reflector 4, a neutron absorber 5, a control drum 6, a cladding 7 and a lower reflector 8 . The heat pipe 2 and the core vessel 3 are designed in an integrated manner. The heat pipe 2 is partially inserted into the core vessel 3 and fixed with the core vessel 3. The fuel salt 1 fills the interior of the core vessel 3. A cavity 9 is formed between the liquid surfaces, the outer wall of the core vessel 3 is provided with a side reflection layer 4, the side reflection layer 4 is provided with a control drum 6, and the side of the control drum 6 close to the core vessel 3 is provided with a center. The sub-absorber 5 and the bottom of the core vessel 3 are provided with a lower reflection layer 8 , and the ...

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Abstract

The invention discloses an integrated small molten salt reactor. The reactor body of the integrated small molten salt reactor comprises a fuel salt, heat tubes, a core container, a side reflection layer, neutron absorbers, control drums, a shell and a lower reflection layer, wherein the heat tubes and the core container are integrally designed, the heat tubes are partly or fully inserted into thecore container, the core container is filled with the fuel salt, a cavity is formed between the core container and the liquid surface of the fuel salt, the outer wall of the core container is surrounded with the side reflection layer, the control drums are arranged in the side reflection layer, the neutron absorbers are arranged at one sides of the control drums, the lower reflection layer is arranged at the bottom of the core container, and the shell surrounds the external of the side reflection layer and the lower reflection layer. A heat tube technology is applied to the molten salt reactorin order to greatly simplify the structure of the above system, and natural circulation or natural convection is generated to realize the long-term efficient and stable transmission of heat and improve the safety and the reliability of the system.

Description

technical field [0001] The invention relates to the field of nuclear energy utilization, in particular to an integrated small molten salt reactor. Background technique [0002] With the development and implementation of the alien exploration program, human beings will face a more complex and severe space environment. Traditional space energy systems have been unable to meet mission requirements. Nuclear energy, which is not affected by the environment, has a long life and is safe and reliable, has become an inevitable choice for establishing alien bases and developing and utilizing alien resources. Currently, three types of space reactors are considered internationally: heat-pipe-cooled reactors, liquid-metal-cooled reactors, and gas-cooled reactors. The heat-pipe-cooled reactor type operates reliably and is convenient to start the reactor from a frozen state, but the existence of a large number of heat pipes complicates the structure of the space reactor. Liquid metal-co...

Claims

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Application Information

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IPC IPC(8): G21C3/54G21C3/06G21C15/24
CPCG21C3/06G21C3/54G21C15/24Y02E30/30
Inventor 于世和孙强邹杨严睿周翀赵恒
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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