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A kind of lead-bismuth alloy bubble pump circulation capability experimental system and experimental method

A lead-bismuth alloy and experimental system technology, which is applied in aerodynamic tests, fluid dynamic tests, pump tests, etc., can solve the problem of lack of experimental loops for the circulation capacity of air bubble pumps, and achieve improved safety and a large adjustment range Effect

Active Publication Date: 2018-08-07
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing lead-bismuth alloy circuits at home and abroad are all focused on the research of natural circulation ability, oxygen control and corrosion, but there is no experimental circuit to study the circulation ability of bubble pumps.

Method used

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  • A kind of lead-bismuth alloy bubble pump circulation capability experimental system and experimental method
  • A kind of lead-bismuth alloy bubble pump circulation capability experimental system and experimental method

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0030] Such as figure 1 As shown, the present invention is a lead-bismuth alloy bubble pump circulation capability test system, comprising a first high-pressure argon tank 8, a second high-pressure argon tank 9, a first high-pressure argon tank 8 and a second high-pressure argon tank 9 The thermal gas mass flowmeter 201 on the downstream pipeline, the pressure sensor 601 on the downstream pipeline of the thermal gas mass flowmeter 201, the first valve 401, the second valve 402, the third valve 403 and the fourth valve at the downstream of the pressure sensor 601 The valves 404 are connected in parallel. Their functions are to provide argon for the experimental circuit, measure the flow of argon, monitor the pressure in the gas pipeline, adjust the inflow position of argon and adjust the flow of argon. The above constitute the gas module of the system ...

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Abstract

The invention discloses a lead bismuth alloy bubble pump circulation capability experiment system and an experiment method. The system comprises a lead bismuth alloy storing and melting module composed of a lead bismuth alloy storing tank, a liquid level probe, a valve and a pipeline connected to a lead bismuth experiment loop, a gas module composed of an argon bottle, a flow meter, a pressure gauge, a valve and a pipeline connected to the lead bismuth alloy storing tank and an experiment section, an electromagnetic flow meter calibration module composed of an electromagnetic flow meter, a checking cylinder, a liquid level probe and a valve, and an experiment module composed of a gas injection pipe, the experiment section and a measuring instrument. After a lead bismuth alloy is melted in the storing tank, argon is used for pressing the lead bismuth alloy into the experiment loop, and the lead bismuth alloy in the loop subsequently passes through the checking cylinder, a descending section, the electromagnetic flow meter, a horizontal section, the experiment section and a gas-liquid separation section to form closed circulation. The invention further provides the experiment method of the system. The system can bear working conditions with a high temperature and ensure that the lead bismuth alloy cyclically run with a stable state in a large-flow state, and meanwhile system parameters can be simply, conveniently and rapidly adjusted.

Description

technical field [0001] The invention belongs to the technical field of accelerator-driven subcritical reactor thermal-hydraulic verification experiment research, and in particular relates to a lead-bismuth alloy air bubble pump circulation capability experiment system and an experiment method thereof. Background technique [0002] The accelerator-driven subcritical system (ADS) uses accelerator-accelerated high-energy protons to undergo spallation reactions with heavy target nuclei (such as tungsten, lead-bismuth alloys). The spallation reaction caused by one proton can produce dozens of neutrons, which can be generated by spallation. The neutrons are used as a neutron source to drive the subcritical system, so that the subcritical system maintains a chain reaction in order to obtain energy and use excess neutrons to multiply nuclear materials and transmutate nuclear waste. In accelerator-driven subcritical systems, the currently studied spallation target materials are mainl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00G01M9/00G01M10/00
CPCF04B51/00G01M9/00G01M10/00
Inventor 苏光辉石磊太谭冰田文喜张大林巫英伟秋穗正
Owner XI AN JIAOTONG UNIV
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