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A technology of electric heating tubes and flanges, which is applied in the field of electric heating tubes with flanges, can solve problems such as the influence of service life of electric heating tubes with flanges, and achieve the effect of improving service life
Inactive Publication Date: 2016-02-17
常熟市江南电热元件厂
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Summary
Abstract
Description
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Application Information
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Problems solved by technology
[0002] The existing electric heating tube with flange, its anti-corrosion, anti-scaling, anti-oxidation performance needs to be improved, and the service life of the electric heating tube with flange is greatly affected
Method used
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Effect test
Embodiment 1
[0040] An electric heating tube with a flange, comprising a metal main body, a protective layer is sintered on the outer surface of the metal main body, and the protective layer is composed of the following components in parts by weight:
[0041] 18 parts polyurethane resin,
[0042] 3 parts propylene glycol methyl ether acetate,
[0043] 2 parts zinc dihydrogen phosphate sodium fluoride,
[0044] 4 parts modified polysiloxane,
[0045] 2 parts ceramic powder,
[0046] 1 part allyl heptanoate,
[0047] 3 parts 12-hydroxystearic acid.
Embodiment 2
[0049] An electric heating tube with a flange, comprising a metal main body, a protective layer is sintered on the outer surface of the metal main body, and the protective layer is composed of the following components in parts by weight:
[0050] 18 parts polyurethane resin,
[0051] 6 parts propylene glycol methyl ether acetate,
[0052] 3 parts zinc dihydrogen phosphate sodium fluoride,
[0053] 5 parts modified polysiloxane,
[0054] 3 parts ceramic powder,
[0055] 2 parts allyl heptanoate,
[0056] 4 parts 12-hydroxystearic acid.
Embodiment 3
[0058] An electric heating tube with a flange, comprising a metal main body, a protective layer is sintered on the outer surface of the metal main body, and the protective layer is composed of the following components in parts by weight:
[0059] 18 parts polyurethane resin,
[0060] 3.6 parts of propylene glycol methyl ether acetate,
[0061] 2.3 parts zinc dihydrogen phosphate sodium fluoride,
[0062] 4.5 parts modified polysiloxane,
[0063] 2.3 parts ceramic powder,
[0064] 1.2 parts allyl heptanoate,
[0065] 3.4 parts of 12-hydroxystearic acid.
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PUM
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Abstract
The invention discloses an electric heating tube with a flange. The electric heating tube comprises a metal main body, wherein a protecting layer is formed on the outer surface of the metal main body by sintering; the protecting layer is prepared from the following components in parts by weight: 18 parts of polyurethane resin, 3 to 6 parts of propylene glycol methyl ether acetate, 2 to 3 parts of zinc dihydrogen phosphate sodium fluoride, 4 to 5 parts of modified polyorganosiloxane, 2 to 3 parts of ceramic powder, 1 to 2 parts of allyl heptanoate and 3 to 4 parts of 12-hydroxy stearic acid. According to the electric heating tube with the flange, disclosed by the invention, the protecting layer with high hardness, heat resistance, oxidation resistance, corrosion resistance and scale prevention is formed on the outer surface of the metal main body by sintering, so that the service life of the electric heating tube with the flange can be prolonged.
Description
technical field [0001] The invention relates to an electric heating tube with a flange. Background technique [0002] The existing electric heating tube with flange needs to be improved in anti-corrosion, anti-scaling and anti-oxidation performance, and the service life of the electric heating tube with flange is greatly affected. Contents of the invention [0003] The object of the present invention is to provide a flanged electric heating tube, the outer surface of the metal main body is sintered with a protective layer of high hardness, heat resistance, oxidation resistance, corrosion resistance and scale prevention, which can improve the service life of the flanged electric heating tube. [0004] In order to achieve the above object, the technical solution of the present invention is to design a flanged electric heating tube, which includes a metal body, and a protective layer is sintered on the outer surface of the metal body, and the protective layer is composed of t...
Claims
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Application Information
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