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A carbon-carbon composite material high temperature continuous heating furnace

A carbon-carbon composite material and composite material technology, which is applied in lighting and heating equipment, heating/cooling fabrics, furnaces, etc., can solve the problems of heating equipment sealing and heat preservation, insufficient heating continuity, and difficulty in continuous high-temperature heating treatment. Guarantee the continuous high temperature heating requirements, ensure the protection of the workpiece atmosphere, and avoid the effect of oxidation problems

Active Publication Date: 2018-06-15
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of processing high-purity refractory metal carbide or high-purity carbon products, the requirements for the high temperature environment in the furnace cavity are particularly critical, which requires that the entire furnace body has good heat preservation and high temperature continuity, and at the same time, the sealing The requirements are also very important. In the face of high temperature work requirements above 2000 °C, heating equipment made of ordinary metals is insufficient in terms of sealing and heat preservation and heating continuity, while the preparation of high-purity carbon or the processing of refractory metal carbides It also requires continuous high-temperature heating treatment above 2000°C, and it is difficult for the current heating furnace to achieve continuous high-temperature heating treatment above 2000°C

Method used

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  • A carbon-carbon composite material high temperature continuous heating furnace
  • A carbon-carbon composite material high temperature continuous heating furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A carbon-carbon composite material high-temperature continuous heating furnace is specifically implemented as follows for processing high-purity carbon felt samples:

[0027] Such as figure 1 , first, put the high-purity carbon felt sample to be processed in the tray 14, put multiple trays on the guide rail 13 in the muffle structure furnace cavity 3, and push them into the muffle structure furnace cavity 3 through the manual mechanical push-pull device 12 In the process, the inert gas sealed chamber 1 at both ends is connected with the main body heating furnace 2 to form a closed passage, filled with argon gas with a purity of 99.999% or more for protection.

[0028] After the gas pressure is stabilized, the heating element 5 is turned on and the temperature is raised to 2300° C. to complete the high-temperature treatment process for the high-purity carbon felt sample. The entire treatment process ensures that the copper electrode 6 and the cooling water in the furnace...

Embodiment 2

[0031] A carbon-carbon composite material high-temperature continuous heating furnace specifically implements the processing of high-density carbon-carbon composite material samples, including:

[0032] First, put the high-density carbon-carbon composite material sample to be processed in the tray 14, put multiple trays on the guide rail 13 in the muffle structure furnace cavity 3, and push them into the muffle structure furnace cavity through the manual mechanical push-pull device 12 In step 3, the inert gas sealed chamber 1 at both ends is connected to the main body heating furnace 2 to form a closed passage, filled with argon gas with a purity of more than 99.999% for protection.

[0033] After the gas pressure is stabilized, the heating element 5 is turned on and the temperature is raised to 2800° C. to complete the high-temperature treatment process of the high-density carbon-carbon composite material sample. The entire treatment process ensures the smooth flow of cooling ...

Embodiment 3

[0036] A specific implementation of the high-purity titanium carbide sample processing in a carbon-carbon composite material high-temperature continuous heating furnace includes:

[0037] First, put the titanium dioxide and carbon black powder samples to be processed in the tray 14, put multiple trays on the guide rail 13 in the muffle structure furnace cavity 3, and push them into the muffle structure furnace cavity through the manual mechanical push-pull device 12 In step 3, the inert gas sealed chamber 1 at both ends is connected to the main body heating furnace 2 to form a closed passage, filled with nitrogen protection with a purity of more than 99.999%.

[0038] After the gas pressure is stabilized, turn on the heating element 5 and raise the temperature to 1500° C. to complete the high-temperature treatment process of the titanium dioxide and carbon black powder samples. During the whole treatment process, the copper electrode 6 and the cooling water in the furnace shell...

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Abstract

The invention discloses a carbon-carbon composite material high-temperature continuous heating furnace. The high-temperature continuous heating furnace is provided with a protective atmosphere sealing cavity and a multi-layer all-carbon-carbon composite material structure; the heating furnace consists of two parts of the protective atmosphere sealing cavity and a heating furnace body, wherein the heating furnace body includes five main parts of a muffler structure, an electric heating element, a refractory layer, an insulation layer and a furnace shell; the main parts of the heating furnace body are prepared by carbon-carbon composite materials or carbon materials to guarantee the temperature resistance and the stability of the whole heating equipment; and the high-temperature continuous heating furnace can reach the highest heating temperature of 2800 DEG C, and can realize continuous preparation of high-purity carbon preparation.

Description

technical field [0001] The invention relates to a heating furnace, in particular to a high-temperature continuous heating furnace for carbon-carbon composite materials. Background technique [0002] Heating furnace equipment is the main production and experimental equipment for the processing of various metals, ceramics, and carbon samples and workpieces. It is mainly used in various fields such as chemical industry, metallurgy, petroleum, machinery, electronics, and material synthesis. In the process of processing high-purity refractory metal carbide or high-purity carbon products, the requirements for the high temperature environment in the furnace cavity are particularly critical, which requires that the entire furnace body has good heat preservation and high temperature continuity, and at the same time, the sealing The requirements are also very important. In the face of high temperature work requirements above 2000 °C, heating equipment made of ordinary metals is insuff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B5/04F27B5/06F27B5/08F27B5/14F27B5/16C04B35/56C04B35/64C04B35/83D06C7/04
CPCC04B35/5611C04B35/64C04B35/83C04B2235/3232C04B2235/424C04B2235/5248C04B2235/658D06C7/04F27B5/04F27B5/06F27B5/08F27B5/14F27B5/16F27B2005/166
Inventor 朱波于宽于丽媛曹伟伟乔琨
Owner SHANDONG UNIV
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