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Frame-type heating element

An electric heating element and frame-type technology, which is applied in the field of frame-type electric heating elements, can solve problems such as the influence of the service life of frame-type electric heating elements, and achieve the effect of improving the service life

Inactive Publication Date: 2016-02-03
常熟市江南电热元件厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing frame-type electric heating elements need to be improved in anti-corrosion, anti-scaling and anti-oxidation performance, and the service life of the frame-type electric heating elements is greatly affected

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0040] A frame-type electric heating element, comprising a metal body, a protective layer is sintered on the outer surface of the metal body, and the protective layer is composed of the following components in parts by weight:

[0041] 8 parts silica sol,

[0042] 2 parts aluminum polyphosphate,

[0043] 3 parts p-tert-amylphenol,

[0044] 1 part silicon nitride,

[0045] 2 parts mica powder,

[0046] 1 part aluminate,

[0047] 7 parts silica.

Embodiment 2

[0049] A frame-type electric heating element, comprising a metal body, a protective layer is sintered on the outer surface of the metal body, and the protective layer is composed of the following components in parts by weight:

[0050] 9 parts colloidal silica,

[0051] 3 parts aluminum polyphosphate,

[0052] 4 parts p-tert-amylphenol,

[0053] 2 parts silicon nitride,

[0054] 3 parts mica powder,

[0055] 2 parts aluminate,

[0056] 8 parts silica.

Embodiment 3

[0058] A frame-type electric heating element, comprising a metal body, a protective layer is sintered on the outer surface of the metal body, and the protective layer is composed of the following components in parts by weight:

[0059] 8.9 parts silica sol,

[0060] 2.3 parts aluminum polyphosphate,

[0061] 3.4 parts of p-tert-amylphenol,

[0062] 1.2 parts silicon nitride,

[0063] 2.3 parts mica powder,

[0064] 1.2 parts aluminate,

[0065] 7.8 parts silica.

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PUM

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Abstract

The invention discloses a frame-type heating element. The frame-type heating element comprises a metal body; a protective layer is sintered on the outer side of the metal main body; the protective layer comprises the following components in parts by weight: 8-9 parts of silica sol, 2-3 parts of poly aluminum phosphate, 3-4 parts of 4-tert-amylphenol, 1-2 parts of silicon nitride, 2-3 parts of mica powder, 1-2 parts of aluminic acid ester and 7-8 parts of silicon dioxide. According to the frame-type heating element, the protective layer which is high in hardness and resistant to heat, oxidation, corrosion and scaling is sintered on the outer side of the metal main body, so that the service life of the frame-type heating element is prolonged.

Description

technical field [0001] The invention relates to a frame type electric heating element. Background technique [0002] The existing frame-type electric heating elements need to be improved in anti-corrosion, anti-scaling and anti-oxidation performance, and the service life of the frame-type electric heating elements is greatly affected. Contents of the invention [0003] The purpose of the present invention is to provide a frame-type electric heating element, the outer surface of the metal main body is sintered with a protective layer with high hardness, heat resistance, oxidation resistance, corrosion resistance and scale prevention, which can improve the service life of the frame-type electric heating element. [0004] In order to achieve the above object, the technical solution of the present invention is to design a frame-type electric heating element, including a metal body, and a protective layer is sintered on the outer surface of the metal body, and the protective la...

Claims

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Application Information

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IPC IPC(8): C04B35/14H05B3/10
Inventor 陈建祥
Owner 常熟市江南电热元件厂
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