Liquid medium minitype heat convection test loop

A test circuit and liquid medium technology, applied in the field of material corrosion, can solve problems affecting flow efficiency, flow characteristics, transmission pipeline erosion, etc., and achieve the effect of simple circuit, easy processing and manufacturing, and low cost

Inactive Publication Date: 2015-03-25
ANHUI SCI & TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These liquid media will cause a series of problems during the transmission process, such as the erosion of the transmission pipeline by the flow of the medium, the corrosion of the transmission pipeline caused by the temperature change ...

Method used

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  • Liquid medium minitype heat convection test loop

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Embodiment Construction

[0029] The present invention will be further described below by specific embodiment, but this is not limitation of the present invention, those skilled in the art can make various modifications or improvements according to the basic idea of ​​the present invention, but as long as not departing from the basic idea of ​​the present invention, are within the scope of the present invention.

[0030] see figure 1 , The liquid medium small-scale heat convection test circuit of this embodiment mainly includes a circuit main body 1, an expansion tank 2, a valve 3, a heating system, a heat preservation system, a gas system and a measurement control system. Among them, the circuit main body 1 is composed of high-temperature section 4 (hot end, experimental section), low-temperature section 5 (cold end), heating section 6 and cooling section 7 to form a square circulation loop, and the length of each section of pipeline is 0.5m. The distance between the pipeline centers of the high temp...

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Abstract

The invention discloses a liquid medium minitype heat convection test loop which comprises a loop main body, an expansion box, and a gas system used for conducting vacuumizing and argon filling on the test loop, and is characterized in that the loop main body is a square circulation loop defined by a high temperature section (hot end, experimental section) and a low temperature section (cold end) in the vertical direction and a heating section and a cooling section in the horizontal direction, the expansion box is connected with the loop main body, and is positioned at the highest point of the circulation loop, and a valve is arranged on a connecting pipe of the expansion box and the loop main body. The test loop is concise, compact, high in realizability, low in cost, and easy to process and manufacture, and corresponding structural materials can be selected for construction according to experiment purposes so as to create corresponding experiment environment and working condition and to develop experiment research on material corrosion by liquid medium.

Description

technical field [0001] The invention belongs to the technical field of material corrosion, and in particular relates to a small thermal convection test loop for studying the corrosion of materials by liquid media. Background technique [0002] In various fields of industrial production and scientific and technological research and application, various liquid media are involved in long-distance transmission (or short-distance circulation transportation) in pipelines, such as long-distance transportation of crude oil in the energy field, acid used in chemical production, etc. Alkali salt, liquid metal medium transportation and casting in metallurgical industry, liquid metal (heat carrying or tritium multiplication) circulating flow in the field of nuclear industry and nuclear reactor engineering technology, etc. These liquid media will cause a series of problems during the transmission process, such as the erosion of the transmission pipeline by the flow of the medium, the cor...

Claims

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Application Information

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IPC IPC(8): G01N17/00
Inventor 章毛连吴宜灿黄群英许万祥张永锋朱志强何恩节刘念高胜
Owner ANHUI SCI & TECH UNIV
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