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Graphite heater

A graphite heater and graphite heating technology, applied in the direction of furnace heating elements, etc., can solve the problems of uneven physical and chemical properties, poor thermal insulation performance, unreasonable design, etc., and achieve the effect of simple structure, stable thermal insulation performance and reasonable design

Inactive Publication Date: 2014-03-26
CHANGZHOU LIXIN GRAPHITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing graphite heaters have problems such as unreasonable design, uneven physical and chemical properties, and poor thermal insulation performance in the slot width and split design.

Method used

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Embodiment Construction

[0012] See figure 1 , the present invention has a kind of graphite heater, has cylindrical graphite heating cylinder body 1, and its top has anode fixing hole 2, cathode fixing hole 3; Said heating cylinder body has through groove 4 and its width is 3mm, and heating cylinder The body is evenly divided into 28 equal parts by the through groove.

[0013] The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

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Abstract

The invention relates to a graphite heater. The graphite heater is provided with a cylindrical graphite heating cylinder body (1) as well as anode fixing holes (2) and cathode fixing holes (3) formed at the top of the graphite heating cylinder body (1); through grooves (4) are formed in the heating cylinder body; and the heating cylinder body is evenly segmented into 28 parts through the through grooves. The graphite heater of the invention has the advantages of simple structure, reasonable design, stable thermal insulation performance and excellent heating performance.

Description

technical field [0001] The invention relates to a heating device, in particular to a graphite heater. Background technique [0002] Graphite heater is the heating device of single crystal furnace. Graphite heater adopts isostatic graphite electric heating element, which has the advantages of high temperature resistance, easy processing, and cheaper price than tungsten, molybdenum and tantalum. Although the resistivity of graphite heater is higher than that of pure metal, due to the consideration of strength, the cross-sectional area cannot be too small, so the resistance of the whole graphite heater is very small, so the heating method of low voltage and high current is adopted. The performance of graphite varies greatly, and the total resistance value is very small, so graphite heaters are often reprocessed to meet the resistance requirements. Since the heater uses high current, low voltage, and high current density, it is necessary to use the method of slotting to meet th...

Claims

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Application Information

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IPC IPC(8): H05B3/62
Inventor 吴建洪
Owner CHANGZHOU LIXIN GRAPHITE
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