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Explosion-proof flame-retardant electric tracing band

An electric heating cable, flame-retardant technology, applied in the direction of electric heating devices, ohmic resistance heating, ohmic resistance heating parts, etc., can solve the problems of low temperature resistance of electric heating cable, weak explosion-proof and flame-retardant ability, etc., and achieve improvement Flame retardant and explosion-proof performance, prolong service life, enhance toughness effect

Active Publication Date: 2021-02-09
ANBANG ELECTRICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing electric heating cables are often insulated with a heat insulation layer. The electric heating cables produced by this heat insulation method have low high temperature resistance and weak explosion-proof and flame-retardant capabilities.

Method used

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  • Explosion-proof flame-retardant electric tracing band
  • Explosion-proof flame-retardant electric tracing band
  • Explosion-proof flame-retardant electric tracing band

Examples

Experimental program
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Embodiment Construction

[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial sources.

[0027] Example:

[0028] Such as Figure 1-5 As shown, an explosion-proof and flame-retardant electric heating cable includes a first conductive bus bar 1 and a second conductive bus bar 8, the surface of the first condu...

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Abstract

The invention discloses an explosion-proof flame-retardant electric tracing band which comprises a first conductive bus and a second conductive bus, and is characterized in that the surface of the first conductive bus is coated with a first insulating layer, the surface of the first insulating layer is coated with an inner protective sleeve, and a reinforcing support plate is clamped in the innerprotective sleeve; a first positioning sleeve is mounted at the top of the reinforcing support plate, and a first coating pipe is clamped in the first positioning sleeve; a first carrier gas pipe is installed in the first coating pipe in a penetrating manner, a second positioning sleeve is installed at the inner bottom of the inner protective sleeve, and a second coating pipe is clamped in the second positioning sleeve; a second carrier gas pipe is installed in the second coating pipe, the second positioning sleeve is tangent to the inner wall of the reinforcing support plate, and the surfaceof the inner protective sleeve is connected with an explosion-proof belt in a coating manner. An inert gas in the carrier gas pipe is released, so that oxygen around comburent can be exhausted, and explosion prevention and flame retardance are achieved.

Description

technical field [0001] The invention relates to the technical field of electric heating cables, in particular to an explosion-proof and flame-retardant electric heating cable. Background technique [0002] Electric heating cable is composed of conductive polymer and two parallel metal wires and insulating sheath. Its characteristic is that the conductive polymer has a high positive temperature coefficient and is connected in parallel with each other. It can automatically adjust the output power with the temperature change of the heated system, and automatically limit the heating temperature. It can be arbitrarily shortened or connected to a certain range for use. , and allows multiple overlapping without high temperature hot spots and burning concerns. [0003] The characteristics of the electric heating cable are: it can automatically limit the temperature during heating, and automatically adjust the output power with the temperature of the heated body without any addition...

Claims

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Application Information

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IPC IPC(8): H05B3/56H05B3/02
CPCH05B3/565H05B3/02
Inventor 李贻连卜基峰姚月凤
Owner ANBANG ELECTRICAL GRP
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