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Carbon/carbon heater preparation method based on atmosphere high-temperature furnace thermal field system

A heater and high-temperature furnace technology, which is applied in the field of carbon/carbon heater preparation, can solve problems such as easy occurrence of electric arcing, and achieve the effects of improving gas erosion resistance, highlighting substantive features and easy operation.

Inactive Publication Date: 2012-10-10
SICHUAN SILIDE COMPOUND MATERIALS
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  • Abstract
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing a charcoal / charcoal heater based on the atmosphere high-temperature furnace heat field system, which mainly solves the problem that the existing charcoal / charcoal heaters are prone to electric arcing during use

Method used

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  • Carbon/carbon heater preparation method based on atmosphere high-temperature furnace thermal field system
  • Carbon/carbon heater preparation method based on atmosphere high-temperature furnace thermal field system
  • Carbon/carbon heater preparation method based on atmosphere high-temperature furnace thermal field system

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Embodiment

[0045] Such as figure 1 As shown, the preparation method of the carbon / carbon heater based on the thermal field system of the atmosphere high-temperature furnace uses plain carbon cloth and chopped fiber mesh tire as the matrix of the carbon / carbon heater preform, and it is made by the acupuncture process Carbon / carbon heater prefabricated body, and then through vacuum pressure impregnation process, pressure curing process, vacuum carbonization treatment process, high temperature treatment process, chemical vapor deposition densification process, high vacuum high temperature treatment process, mechanical processing process and chemical vapor phase coating process The charcoal / charcoal heater preform is made into the final product. Its preparation process is as follows:

[0046] (1) Lay the plain carbon cloth and the chopped fiber mesh tire according to the stacking method of plain carbon cloth-chopped fiber mesh tire-plain carbon cloth;

[0047] (2) Make the prefabricated ca...

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Abstract

The invention discloses a carbon / carbon heater preparation method based on an atmosphere high-temperature furnace thermal field system. The method includes: layering plain carbon cloth and chopped fiber mesh tires at intervals, using the puncture process to prepare a premade heater in a quasi-three-dimensional structure in the vertical direction of the laid composite, subjecting the premade heater to vacuum pressure impregnation, pressure curing treatment and vacuum carbonization treatment, treating cyclically to enable the density of the premade heater to be larger than 1.0g / cm<3>, performing high-temperature opening treatment, using the chemical gas-phase deposition compacting process to treat the premade heater, performing high-temperature treatment after the density reaches 1.3g / cm<3>, and using the chemical gas-phase coating process to treat the premade carbon / carbon heater to obtain the finished product. The carbon / carbon heater preparation method is simple in process and low in manufacturing cost, the made carbon / carbon heater in use avoids electric arcs, the surface of the made carbon / carbon heater has fine corrosion resistance, and the service life of the product is greatly prolonged. Therefore, the carbon / carbon heater preparation method is suitable for popularization and utilization.

Description

technical field [0001] The invention relates to a preparation method, in particular to a preparation method of a charcoal / charcoal heater based on an atmosphere high-temperature furnace thermal field system, which has excellent surface corrosion resistance and uniform resistance distribution. Background technique [0002] At present, molybdenum or carbon materials are mostly used as high-temperature heating materials in the atmosphere high-temperature resistance furnace equipment above 1400 °C. With the gradual reduction of the production cost of the new carbon material-carbon / carbon composite material, the cost performance is prominent, and its light design, rich shape, durability and easy maintenance, it has gradually replaced the graphite material heater used in the field of heating materials. . However, there are some prominent problems in the use of carbon / carbon composite heaters, such as: the heating element is burned due to the phenomenon of electric arcing due to u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/83C04B35/622
Inventor 罗昆鹏胡海平习刚刘江平
Owner SICHUAN SILIDE COMPOUND MATERIALS
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