A Simulation Method of Nuclear Material in Molten Salt Reactor

Abstract

The invention relates to a method for simulating nuclear materials in a molten salt reactor (MSR). The method comprises following steps: providing a device for simulating nuclear materials in a moltensalt reactor (MSR); hanging a nuclear material sample on the bottom of an elevating device, forming a simulated system that is isolated with the external environment; starting a high temperature furnace to heat molten salts to a temperature of 400-650 DEG C, soaking the nuclear material sample in liquid molten salts; automatically lifting the nuclear material sample out from the molten salts by the elevating device; introducing mixed gas into the tank through an air inlet pipeline, and interacting the mixed gas with a thin salt membrane to carry out a high temperature test; wherein the mixedgas is Ar-HF, Ar-HF-O2, Ar-HF-CO2-CO, or Ar-HF-CO2-H2. According to the simulation method, the safety is high, the elevation can be automatically controlled, furthermore, simulation and monitoring indifferent environments can be carried out, and the method has a wide application prospect.

Description

technical field

[0001] The invention relates to the field of molten salt, more particularly to a method for simulating nuclear materials in a molten salt reactor. Background technique

[0002] Since the molten salt reactor uses lithium-fluorine salt as the primary circuit coolant, a large amount of tritium will be produced after neutron irradiation in the reactor. According to the relevant research on the molten salt reactor by the Oak Ridge National Laboratory in the United States, the tritium produced in the molten salt reactor mainly exists in the form of tritium fluoride (TF) and HT. The highly corrosive TF is easy to corrode the reactor loop pipe, reducing the material Tritium control has become a key scientific and technical issue in molten salt reactor research.

[0003] Obviously, the realization of tritium control requires the study of the interaction between tritium in molten salt and nuclear materials, which requires the simulation of nuclear materials in molten ...

Examples

Embodiment Construction

[0017] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0018] The method for simulating nuclear materials in a molten salt reactor according to the present invention specifically includes step S1, providing a method such as figure 1 The shown device for simulating nuclear materials in a molten salt reactor includes a tank body 1, a high-temperature furnace 2, a lifting device 3, an air inlet pipeline 4 and an air outlet pipeline 5, wherein the tank body 1 is designed to hold FLiNaK The molten salt 11, the high temperature furnace 2 is arranged under the tank body 1 for heating the molten salt 11 in the tank body 1, and the lifting device 3 is designed to hang the nuclear material sample 31 on the tank body 1 Inside, the air inlet pipeline 4 is designed to communicate with the tank body 1 to introduce gas into the tank body 1 , and the gas outlet pipeline 5 is also designed to communicate with the tank ...

technical field

[0001] The invention relates to the field of molten salt, more particularly to a method for simulating nuclear materials in a molten salt reactor. Background technique

[0002] Since the molten salt reactor uses lithium-fluorine salt as the primary circuit coolant, a large amount of tritium will be produced after neutron irradiation in the reactor. According to the relevant research on the molten salt reactor by the Oak Ridge National Laboratory in the United States, the tritium produced in the molten salt reactor mainly exists in the form of tritium fluoride (TF) and HT. The highly corrosive TF is easy to corrode the reactor loop pipe, reducing the material Tritium control has become a key scientific and technical issue in molten salt reactor research.

[0003] Obviously, the realization of tritium control requires the study of the interaction between tritium in molten salt and nuclear materials, which requires the simulation of nuclear materials in molten ...

Examples

Embodiment Construction

[0017] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0018] The method for simulating nuclear materials in a molten salt reactor according to the present invention specifically includes step S1, providing a method such as figure 1 The shown device for simulating nuclear materials in a molten salt reactor includes a tank body 1, a high-temperature furnace 2, a lifting device 3, an air inlet pipeline 4 and an air outlet pipeline 5, wherein the tank body 1 is designed to hold FLiNaK The molten salt 11, the high temperature furnace 2 is arranged under the tank body 1 for heating the molten salt 11 in the tank body 1, and the lifting device 3 is designed to hang the nuclear material sample 31 on the tank body 1 Inside, the air inlet pipeline 4 is designed to communicate with the tank body 1 to introduce gas into the tank body 1 , and the gas outlet pipeline 5 is also designed to communicate with the tank ...

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