CN2709763Y - Steel pipe with composite protection coating - Google Patents
Steel pipe with composite protection coating Download PDFInfo
- Publication number
- CN2709763Y CN2709763Y CN 200420023950 CN200420023950U CN2709763Y CN 2709763 Y CN2709763 Y CN 2709763Y CN 200420023950 CN200420023950 CN 200420023950 CN 200420023950 U CN200420023950 U CN 200420023950U CN 2709763 Y CN2709763 Y CN 2709763Y
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- CN
- China
- Prior art keywords
- protection coating
- steel pipe
- complex protection
- composite protection
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a steel pipe with a composite protection coating which is composed of a steel pipe body. The composite protection coating formed by the superposition of at least three ceramic material base enamels is covered on the inner pipe wall and the end surface of the steel pipe body; screw threads are arranged on the inner pipe wall or the outer pipe wall of the steel pipe body, and the composite protection coating is covered on the surface of the screw threads. The utility model is covered with the composite protection coating on the inner pipe wall, the end surface and the surface of the screw threads of a connecting end; the composite protection coating is formed by the superposition of at least three ceramic material base enamels, therefore, the adhesive force of the composite protection coating is high, the surface is hard, nontoxic, waterproofing, acid and alkali proof, heatproof, dirt proof and cleaning proof, the steel pipe is made to prevent corrosion, and problems that the pipe material of the steel pipe in the prior art is easy to tarnish, the operating life is short, and the pollution is serious are solved. The utility model is especially adapted to use for pipelines of the feed water equipment and the chemical equipment, in particular to situations where the steel pipe with large caliber is needed to use.
Description
Technical field
The utility model relates to mechanical engineering, relates in particular to metal tube, particularly a kind of steel pipe with complex protection coating.
Background technique
In the prior art, steel pipe is widely used in the pipework, but the easy corrosion of steel pipe, so plastics and the compound tubing of metallic material have been proposed again in the prior art, mould pipe etc. as plastic-aluminum pipe, steel.Although the compound tubing of plastics and metallic material can improve the usability of tubing, proof strength improves the life-span and satisfies many-sided needs.But, when composite pipe of the prior art is used for extremely frigid zones, can cause the leakage of pipe end jointing, corrosion at last because of cracking phenomena between the expansion coefficient difference genetic horizon of material.
Summary of the invention
Technical problem of the prior art to be solved in the utility model is: because in the prior art, the easy corrosion of steel pipe, and the compound tubing of plastics and metallic material, mould pipe etc. as plastic-aluminum pipe, steel, when being used for extremely frigid zones, can cause the leakage of pipe end jointing, corrosion at last because of cracking phenomena between the expansion coefficient difference genetic horizon of material.
The utility model provides a kind of steel pipe with complex protection coating for the technological scheme that solves above-mentioned technical problem of the prior art and adopt; described this steel pipe with complex protection coating is made of a steel body; wherein; cover on the inner tubal wall of described steel body and be provided with a complex protection coating, described complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, all the thickness with any one remaining pottery glazed layer is identical for the thickness of any one described pottery glazed layer.
Further, cover on the end face of described steel body and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, the inner tubal wall or the outer tube wall of described steel body are provided with screw thread, cover on the described thread surface to be provided with one the 3rd complex protection coating, and described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, described complex protection coating constitutes by four pottery glazed layers are superimposed.
The utility model and prior art compare, and its effect is actively with tangible.Steel pipe with complex protection coating of the present utility model; because the thread surface covering at inner tubal wall, end face and connecting end is provided with the complex protection coating; the complex protection coating constitutes by at least three pottery glazed layers are superimposed; the complex protection coating adhesion is strong; surface hard, nontoxic, waterproof, acid resistant alkali, heatproof, bear dirty, anti-cleaning; so steel pipe of the present utility model can prevent corrosion, the easy corrosion of steel pipe tubing in the prior art, short, the with serious pollution problem of operating life have been solved.The utility model is particularly suitable for using in the pipeline of feedwater, chemical industry equipment, especially uses the occasion of large-diameter steel pipe at needs.Steel pipe with complex protection coating of the present utility model meets GB GB/T3091, the requirement of GB/T3092.
Description of drawings
Fig. 1 is the structural representation with steel pipe of complex protection coating of the present utility model.
Fig. 2 is the local structure for amplifying schematic representation of Fig. 1.
Embodiment
As shown in Figure 1, the steel pipe with complex protection coating of the present utility model is made of a steel body 1, wherein, covers on the inner tubal wall 2 of described steel body and is provided with a complex protection coating 4.Fig. 2 amplifies and has represented the structure of the part 5 of inner tubal wall among Fig. 1, and as shown in Figure 2, described complex protection coating 4 constitutes by at least three pottery glazed layers 41 are superimposed.
In a preferred embodiment of the present utility model, described complex protection coating 4 constitutes by four pottery glazed layers 41 are superimposed.The thickness of any one the described pottery glazed layer 41 all thickness with any one remaining pottery glazed layer 41 is identical.
Cover on the end face 3 of described steel body 1 and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
The inner tubal wall 2 or the outer tube wall of described steel body 1 are provided with screw thread, cover on the described thread surface to be provided with one the 3rd complex protection coating, and described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Concrete; described complex protection coating, the described second complex protection coating and described the 3rd complex protection coating all can be formed in steel tube surface by the brushing of pottery glaze sprayed on material; described pottery glaze sprayed on material comprises ground-coat enamel and cover-coat enamel; the silicon-containing polymer that cover-coat enamel can adopt three component catalysts to solidify, ground-coat enamel can adopt the phosphate polymer of silica type.
Claims (5)
1; a kind of steel pipe with complex protection coating; be made of a steel body, it is characterized in that: cover on the inner tubal wall of described steel body and be provided with a complex protection coating, described complex protection coating constitutes by at least three pottery glazed layers are superimposed.
2, the steel pipe with complex protection coating as claimed in claim 1 is characterized in that: the thickness of any one the described pottery glazed layer all thickness with any one remaining pottery glazed layer is identical.
3; steel pipe with complex protection coating as claimed in claim 1; it is characterized in that: cover on the end face of described steel body and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
4; steel pipe with complex protection coating as claimed in claim 1; it is characterized in that: the inner tubal wall or the outer tube wall of described steel body are provided with screw thread; cover on the described thread surface and be provided with one the 3rd complex protection coating, described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
5, the steel pipe with complex protection coating as claimed in claim 1 is characterized in that: described complex protection coating constitutes by four pottery glazed layers are superimposed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420023950 CN2709763Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe with composite protection coating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420023950 CN2709763Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe with composite protection coating |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2709763Y true CN2709763Y (en) | 2005-07-13 |
Family
ID=34849371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420023950 Expired - Fee Related CN2709763Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe with composite protection coating |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2709763Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378392C (en) * | 2006-01-26 | 2008-04-02 | 上海易昌特种陶瓷科技发展有限公司 | Special ceramic double-lining pipe and production method thereof |
CN106481931A (en) * | 2016-08-30 | 2017-03-08 | 无锡上工搪化工设备有限公司 | A kind of glass-lined equipment mouth of pipe |
-
2004
- 2004-06-21 CN CN 200420023950 patent/CN2709763Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378392C (en) * | 2006-01-26 | 2008-04-02 | 上海易昌特种陶瓷科技发展有限公司 | Special ceramic double-lining pipe and production method thereof |
CN106481931A (en) * | 2016-08-30 | 2017-03-08 | 无锡上工搪化工设备有限公司 | A kind of glass-lined equipment mouth of pipe |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20130621 |