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Single-tube Na-AMTEC experimental device and experimental method

An experimental device and a single-tube technology, applied in measuring devices, instruments, measuring electronics, etc., can solve the problems of AMTEC's high-efficiency thermoelectric conversion efficiency and long life, so as to ensure the purity of working fluid and inject sodium Quantitatively Accurate Effects

Pending Publication Date: 2022-01-14
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology

[0003] At present, AMTEC is still in the preliminary research stage, and technical problems such as the electrical degradation effect of its (BASE) materials and electrode materials with operating time, the high thermoelectric conversion efficiency and long life of AMTEC have not been well resolved.

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  • Single-tube Na-AMTEC experimental device and experimental method
  • Single-tube Na-AMTEC experimental device and experimental method

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Embodiment Construction

[0072] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0073] Such as figure 1 As shown, a single-tube Na-AMTEC experimental device of the present invention includes an experimental section 1, a sodium injection / storage system, a vacuum system 3, an argon gas source 4, a valve group and a data acquisition system.

[0074] Such as figure 2 As shown, the experimental section 1 comprises an experimental box 101, a sodium injection pipe 102, a first heating device and an intermediate partition 104 and a BASE pipe 105 arranged in the experimental box 101, and the intermediate partition 104 is positioned at the upper end of the BASE pipe 105 and the experimental box 101 Between the side walls, the inner cavity of the experimental box 101 is divided into upper and lower chambers, which are respectively the high-pressure chamber 106 located on the upper side of the middle partiti...

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Abstract

The invention aims to provide a single-tube Na-AMTEC experimental device and an experimental method aiming at the research requirement of AMTEC. The device comprises an experiment section, a sodium injection / storage system, a vacuum system, an argon source and a data acquisition system, the experiment section comprises an experiment box, a sodium injection pipe, a middle partition plate and a BASE pipe, the middle partition plate is located between the upper end of the BASE pipe and the side wall of the experiment box, and an inner cavity of the experiment box is divided into a high-pressure cavity and a low-pressure cavity; a heating rod is arranged in the BASE pipe; the sodium injection pipe is arranged on the experiment box, and an outlet of the sodium injection pipe extends into the BASE pipe; the sodium injection / storage system comprises a 1 # sodium storage tank, a 2 # sodium storage tank, a purification cold trap and a quantitative pipe, the 1 # sodium storage tank is communicated with an inlet of the purification cold trap, an outlet of the purification cold trap is communicated with an inlet of the quantitative pipe, and an outlet of the quantitative pipe is communicated with the 2 # sodium storage tank and an inlet of the sodium injection pipe; the vacuum system is communicated with the low-pressure cavity and the high-pressure cavity; the argon source is communicated with the high-pressure cavity, the 2 #sodium storage tank, the inlet of the quantitative pipe and the 1 # sodium storage tank; the data acquisition system measures liquid sodium in the BASE pipe, the temperature of the BASE pipe and current and voltage signals.

Description

technical field [0001] The invention relates to the field of thermoelectric conversion research, in particular to a single-tube Na-AMTEC experimental device and an experimental method. Background technique [0002] Alkali metal thermoelectric conversion (AMTEC), as a static thermoelectric conversion method, has the characteristics of high thermoelectric conversion efficiency, simple and compact equipment structure, no pollution, no vibration, and adaptable to different heat sources. It is very suitable for thermoelectric conversion of space nuclear reactors. [0003] At present, AMTEC is still in the preliminary research stage, and technical issues such as the electrical degradation effect of its (BASE) materials and electrode materials with operating time, the high thermoelectric conversion efficiency and long life of AMTEC have not been well resolved. Therefore, several key technologies such as the development of the BASE tube of the AMTEC system, the selection of electrod...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 朱磊杨宁江新标陈立新李华琪罗小飞苏春磊李达陈森田晓艳康小亚李伟通石磊太
Owner NORTHWEST INST OF NUCLEAR TECH
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