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High temperature tensile test resistance furnace capable of controlling cooling process

A technology of tensile test and cooling process, which is applied in the direction of temperature control, furnace control device, non-electric variable control, etc. It can solve the problems that there is no device that can control the cooling, and it is difficult to study the properties of steel in the cooling section of the fire. The effect of temperature uniformity

Inactive Publication Date: 2019-10-15
CENT SOUTH UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] However, the traditional high-temperature tensile test resistance furnace can only control the heating rate to achieve controlled heating. There is no device that can control the cooling, and it is difficult to achieve the purpose of studying the properties of steel in the cooling section of the fire.

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  • High temperature tensile test resistance furnace capable of controlling cooling process
  • High temperature tensile test resistance furnace capable of controlling cooling process
  • High temperature tensile test resistance furnace capable of controlling cooling process

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Embodiment Construction

[0028] The technical solutions provided by the present application will be further described below in conjunction with specific embodiments and accompanying drawings. The advantages and features of the present application will become clearer in conjunction with the following description.

[0029] Such as Figure 1 to Figure 5 As shown, a high-temperature tensile test resistance furnace that can control the cooling process includes a cooling resistance furnace 2, a stretching machine 1, a power unit 5, and a condensation device 6; wherein, the cooling resistance furnace 2 adopts a cylindrical two-half pair In the open structure, the left and right halves of the split are connected by the rotating shaft 3, and the opening and closing of the left and right halves of the cooling resistance furnace 2 can be realized through the rotation of the rotating shaft 3; at the same time, the cooling resistance furnace 2 Installed on the stretching machine 1 through the rotating shaft 3 and...

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Abstract

The invention belongs to the material performance test technology field and discloses a high temperature tensile test resistance furnace capable of controlling a cooling process. The resistance furnace comprises a stretching machine, a cooling resistance furnace, a power device, a condensing device and the like. The cooling resistance furnace comprises a heating inner cavity, a cooling layer and an insulation layer. The cooling resistance furnace is installed on the stretching machine through a rotating shaft and a support, and bent cooling pipelines are laid in the cooling layer, and are connected with an external power device and the condensing device to form a recyclable system. A gap between the cooling pipelines is filled with a flexible insulation material so as to ensure that the pipelines have a certain deformation space. In the invention, the cooling pipelines in the cooling layer, the external power device and the condensing device form a recyclable cooling system, and a cooling medium carries out circulation flow in the cooling system for heat exchange so as to achieve rapid cooling during a test process and control a cooling rate.

Description

technical field [0001] The application belongs to the technical field of material property testing, and in particular relates to a resistance furnace for high-temperature tensile testing that can control the cooling process. Background technique [0002] Due to the advantages of light weight, good seismic performance, convenient construction and short construction period, steel is widely used in building structures. Fire is a common hazard to building structures. At present, most of the research focuses on the mechanical properties of steel in the heating section of the fire. Therefore, the current high-temperature tensile test resistance furnace can only control the temperature rise, but cannot control the temperature drop. However, the steel structure that can withstand the fire heating section may be further damaged or even collapsed in the fire cooling section. Therefore, it is very necessary to study the mechanical properties of steel in the cooling section of fire. ...

Claims

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Application Information

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IPC IPC(8): G01N3/18G05D23/22F27D19/00
CPCF27D19/00F27D2019/0056G01N3/18G01N2203/0017G01N2203/0226G05D23/22
Inventor 蒋彬辉王梦洁李耀庄范传刚
Owner CENT SOUTH UNIV
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