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Fully-sealed ceramic electric heating ring

An electric heating coil, fully sealed technology, applied in the direction of the heating element shape, etc., can solve problems such as shutdown maintenance, conductive liquid penetration, short circuit, etc., to avoid internal short circuit and ensure normal operation

Inactive Publication Date: 2013-01-09
SUZHOU TAISHENG ELECTRIC HEATING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem is that the inner wall of the ceramic ring is exposed open or semi-sealed. When the heating ring is heated in places where conductive liquid splashes, such as hot runners and nozzles, the conductive liquid will penetrate into the body of the heating ring and even lead connections, causing internal short circuits. Unable to heat properly, must be shut down from time to time for maintenance

Method used

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  • Fully-sealed ceramic electric heating ring
  • Fully-sealed ceramic electric heating ring

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Experimental program
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Embodiment

[0013] As shown in the accompanying drawings, a fully sealed ceramic heating ring includes a heating ring body 4, and the inside and outside of the heating ring body 4 are respectively fitted with an inner protection ring 1 and an outer protection ring 2, and the inner protection ring 1 and the outer protection ring 2 are the same. Shaft and equal height, the inner protective ring 1 and the outer protective ring 2 are connected into one body by welding a connecting ring 3 at each end of the top and the bottom. The materials of the inner protective ring 1, the outer protective ring 2 and the connecting ring 3 can be the same material, such as stainless steel, which is convenient for argon arc welding and sealing, so that the inner protective ring 1, the outer protective ring 2 and the connecting ring 3 are connected into a compact one, In this way, the body of the heating coil is completely sealed, and it is difficult for the conductive liquid to penetrate into the body of the h...

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Abstract

The invention provides a fully-sealed ceramic electric heating ring which comprises an electric heating ring body, an inner protecting ring and an outer protecting ring are respectively sleeved inside and outside the electric heating ring body and are connected into a whole through two connecting rings welded at the two ends. According to the fully-sealed ceramic electric heating ring, as the inner protecting ring and the outer protecting ring are respectively sleeved inside and outside the electric heating ring body and are connected into a whole through two connecting rings welded at the two ends, the electric heating ring body is fully sealed, conductive liquid can not permeate to the inner part of the electric heating ring body easily, so that the internal short circuit is avoided and the common performance of heating can be ensured.

Description

technical field [0001] The invention relates to a heating device, in particular to an electric heating coil. Background technique [0002] Ceramic heating coil is a kind of high-temperature heating coil that has appeared in recent years. It is not made of ordinary mica wire bending method, but is composed of multiple ceramic sheets with infrared radiation to form a skeleton, and ordinary spring-shaped heating wires are penetrated into the holes. As a heat source, it is folded and twisted together with the outer thin stainless steel plate to form a "C" shape or a ring, and the ceramic ring and the stainless steel outer ring are filled with heat insulating material. The problem is that the inner wall of the ceramic ring is exposed open or semi-sealed. When the heating ring is heated in places where conductive liquid splashes, such as hot runners and nozzles, the conductive liquid will penetrate into the body of the heating ring and even lead connections, causing internal shor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/40
Inventor 郭淑慧
Owner SUZHOU TAISHENG ELECTRIC HEATING EQUIP
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