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Heating body structure suitable for ultra-high temperature and high pressure condition

A heating body and ultra-high temperature technology, applied in the direction of heating elements, heating element materials, ohmic resistance heating parts, etc., can solve the problems of tungsten wires that are easy to break, tungsten wires are not easy to replace, and winding is difficult, so as to facilitate large-scale production , easy to test and select, good heating effect

Pending Publication Date: 2021-04-30
天津钢立电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tungsten wire is easy to break and difficult to wind, and the tungsten wire wound on the heating body is not easy to replace; at the same time, if you want to obtain a uniformly heated tungsten wire heating body, you have high requirements for the winding method of the tungsten wire. Ensure even heating
Therefore, the heating body structure in the prior art cannot ensure stable heating and facilitate the replacement of heating components.

Method used

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  • Heating body structure suitable for ultra-high temperature and high pressure condition
  • Heating body structure suitable for ultra-high temperature and high pressure condition
  • Heating body structure suitable for ultra-high temperature and high pressure condition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 As shown, the heating body structure 1 suitable for ultra-high temperature and high pressure conditions, the heating body structure 1 includes a support component 2, and a heat generating component 4 bonded to the support component 2 through a heat conducting layer 3 and a heating component 4 electrically connected The electrode 5; the support member 2 is a zirconia ceramic support member, the support member is a cylindrical structure, and an annular limiter 6 is arranged inside the support member, and a substance that needs to be heated can be placed on the annular limiter 6; A heat conduction layer 3 is arranged on the outside of the support member, and the heat conduction layer 3 is bonded to the support member 2 and the heat-generating component 4 and has good thermal conductivity; the heat-generating component 4 is made of graphite or silicon carbide material at one time, and the heat-generating The component 4 is bonded around and attached to the ...

Embodiment 2

[0041] Such as figure 2 As shown, on the basis of Embodiment 1, the annular stopper 6 forms two connected chambers inside the cylindrical structure, one of which is a conical chamber 61 and the other is a cylindrical chamber 62. According to the Depending on the shape and size of the material to be processed, different chambers can be selected. The heat conduction layer 3 is an aluminum nitride heat conduction layer. The heat generating component 4 is spirally wound on the outside of the supporting component.

Embodiment 3

[0043] On the basis of Embodiment 1, the heating component 4 can be made of silicon carbide, and the resistance is preferably 6Ω. The height of the support member 2 is 4mm. The silicon carbide material is pressed into a spiral silicon carbide wire, the diameter of the silicon carbide wire is less than or equal to 0.5mm, and the silicon carbide wire is wound spirally on the outside of the support member 2, and adhered to the outer wall of the support member through an aluminum nitride heat conducting layer. The wire pitch of the silicon carbide filament helix is ​​greater than 0.5mm.

[0044] The resistance of the heating element 4 in embodiment 3 is 6Ω, as image 3 As shown, through 110V AC pulse voltage, the power can reach up to 2kw, the working temperature can reach 1200 ℃, and its power can be precisely controlled by computer.

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Abstract

The invention provides a heating body structure suitable for an ultra-high temperature and high pressure condition, and relates to the field of heating equipment. The heating body structure comprises a support part, a heating part bonded with the support part through a heat conduction layer, and electrodes electrically connected with the heating part; the support part is a zirconia ceramic support part, the support part is a cylindrical structure, and an annular limiting part is arranged in the support part; the heating part is made of a graphite or silicon carbide material through one-step molding, and is adhered, surrounded and attached to the outer wall of the support part through a heat conduction layer; and the electrodes are annular electrodes arranged at the upper end and the lower end of the cylindrical structure of the support part, the annular electrodes are electrically connected with the heating part, and the electrodes are provided with electric connectors connected with a power supply line. The heating body structure is suitable for being used in laboratories, can be conveniently replaced, achieves uniform heating, can control functional parameters of the heating body, and is larger in heating area and better in heating effect.

Description

technical field [0001] The invention belongs to the field of heating equipment, and in particular relates to a heating body structure suitable for ultra-high temperature and high pressure conditions. Background technique [0002] At present, the commonly used miniature heating body in the laboratory is a heating body wound with tungsten wire. The heating body structure involved in the present invention is often used under high pressure conditions. In the component, the melting point of the substance in the heating body structure is reached under the high pressure condition, so that the corresponding substance is melted. [0003] The heat-generating components themselves wear out, and those exposed to high temperature and pressure more often need to be replaced. The tungsten wire is easy to break and difficult to wind, and the tungsten wire wound on the heating body is not easy to replace; at the same time, if you want to obtain a uniformly heated tungsten wire heating body,...

Claims

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Application Information

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IPC IPC(8): H05B3/06H05B3/03H05B3/02H05B3/14
CPCH05B3/02H05B3/03H05B3/06H05B3/14
Inventor 张红
Owner 天津钢立电子科技有限公司
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