CN203256489U - Electrical heating pipe with novel protective coating - Google Patents
Electrical heating pipe with novel protective coating Download PDFInfo
- Publication number
- CN203256489U CN203256489U CN 201320033379 CN201320033379U CN203256489U CN 203256489 U CN203256489 U CN 203256489U CN 201320033379 CN201320033379 CN 201320033379 CN 201320033379 U CN201320033379 U CN 201320033379U CN 203256489 U CN203256489 U CN 203256489U
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- China
- Prior art keywords
- protective coating
- electrical heating
- heating pipe
- novel protective
- coating
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Abstract
The utility model relates to an electrical heating pipe with a novel protective coating. The electrical heating pipe with the novel protective coating comprises an electrical heating pipe body, the metal pipe surface of the electrical heating pipe body is coated by the novel protective coating in a spraying mode through a special technology, the novel protective coating is a ceramic protective layer formed by high temperature sintering at the temperature of 110-180 DEG C, and the thickness of the novel protective coating is 10-40 micrometers. According to the special technology, when the protective coating is sprayed, an undercoat is not needed, and the spraying is finished in a one-time mode. The electrical heating pipe with the novel protective coating has the advantages that the protective coating after processing of the special technology is very thin, therefore, heat transfer efficiency of the electrical heating pipe is almost not affected by the coating, the protective coating is even and complete after solidifying, therefore, the metal surface below the protective coating can not corrode, by the utilization of the high adhesiveness of the coating of which the grain size reaches a nanometer level, therefore, the protective coating is tightly adhered to a metal pipe and not prone to bursting and falling off at high temperature, and the protective coating is smooth in surface and scaling resistant.
Description
Technical field
The utility model relates to washing machine electric heating tube field, relates in particular to a kind of electric heating tube with the Novel protective coating.
Background technology
The electric heating tube that uses in the roller washing machine by being that heat energy heats water with electric energy conversion, can activate the activity of washing agent, improves clean result and the efficient of washing machine.But because the electric heating tube surface directly contacts with washing agent with water, electric heating tube is when work, chlorion in calcium ion in surface metal and the water, magnesium ion and the washing agent etc. reacts, cause the electric heating tube surface to produce the phenomenons such as fouling, corrosion, affect the service life of roller washing machine and use safety.Although the electric heating tube with protective coating is also arranged in the market, but these protective coatings not only easy explosion come off, and on spraying coating process, generally need to spray first priming paint, spray again protective coating behind the solidifying priming paint, and then solidify complex process, coating layer thickness is wayward, make electrothermal tube because of the too thick heat transfer efficiency that affects electric heating tube of protective coating, cause the resistance wire temperature too high for a long time, affect the service life of roller washing machine.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of heat transfer efficiency high, and the thin and smooth surface of coating can prevent effectively that incrustation scale is at the electric heating tube with the Novel protective coating of electric heating tube surface accumulation.
The purpose of this utility model is finished by following technical solution, and it comprises electric heating tube, and the metal tube surface of described electric heating tube is coated with one deck Novel protective coating by special process.
As preferably, described Novel protective coating is the overcoat with ceramic material that forms through 110 ℃～180 ℃ high temperature sintering.
As preferably, the thickness of described Novel protective coating is between 10～40 μ m.
As preferably, described special process need not priming paint when this protective coating of spraying, and once spraying is finished.
The beneficial effects of the utility model are: the protective coating after special process is processed is very thin, and the heat transfer efficiency of electric heating tube is not affected by coating substantially; Evenly complete after protective coating solidifies, the metal surface below the protective coating can corrosion; Utilize particle diameter to reach the high tack of the coating of Nano grade, protective coating and metal tube are bonding closely, are difficult for explosion under the high temperature and come off; The protective coating smooth surface, anti-scaling.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Label in the accompanying drawing is respectively: 1, electric heating tube; 2, Novel protective coating.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done detailed introduction: as shown in Figure 1, the utility model comprises electric heating tube 1, and the metal tube surface of described electric heating tube 1 is coated with one deck Novel protective coating 2.Utilize particle diameter to reach the high tack of the coating of Nano grade, process through special process, need not priming paint, once spraying sticks on the electric heating tube 1 Novel protective coating 2 securely.
Described Novel protective coating 2 is the protective coatings with ceramic material that form through 110 ℃～180 ℃ high temperature sintering; The thickness of described Novel protective coating 2 is between 10～40 μ m; Utilize particle diameter to reach the high tack of the coating of Nano grade, protective coating and metal tube are bonding closely, are difficult for explosion under the high temperature and come off; Protective coating after special process is processed is very thin, and heat transfer efficiency is high, and because the coating surface smoother can prevent the accumulation of incrustation scale on electric heating tube effectively.
The utility model is not limited to above-mentioned embodiment; no matter do any variation in its shape or material formation; every employing structural design provided by the utility model all is a kind of distortion of the present utility model, all should think within the utility model protection domain.
Claims (3)
1. the electric heating tube with the Novel protective coating comprises electric heating tube (1), it is characterized in that: the metal tube surface of described electric heating tube (1) is provided with one deck Novel protective coating (2).
2. the electric heating tube with the Novel protective coating according to claim 1, it is characterized in that: described Novel protective coating (2) is the overcoat with ceramic material.
3. the electric heating tube with the Novel protective coating according to claim 2, it is characterized in that: the thickness of described Novel protective coating (2) is between 10～40 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033379 CN203256489U (en) | 2013-01-21 | 2013-01-21 | Electrical heating pipe with novel protective coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033379 CN203256489U (en) | 2013-01-21 | 2013-01-21 | Electrical heating pipe with novel protective coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203256489U true CN203256489U (en) | 2013-10-30 |
Family
ID=49469072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033379 Expired - Lifetime CN203256489U (en) | 2013-01-21 | 2013-01-21 | Electrical heating pipe with novel protective coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203256489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111279791A (en) * | 2017-10-31 | 2020-06-12 | 日本特殊陶业株式会社 | Ceramic heater for heating fluid |
-
2013
- 2013-01-21 CN CN 201320033379 patent/CN203256489U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111279791A (en) * | 2017-10-31 | 2020-06-12 | 日本特殊陶业株式会社 | Ceramic heater for heating fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |