CN203549354U - Corrosion-resistant steel pipe applicable to ocean environment - Google Patents
Corrosion-resistant steel pipe applicable to ocean environment Download PDFInfo
- Publication number
- CN203549354U CN203549354U CN201320466788.6U CN201320466788U CN203549354U CN 203549354 U CN203549354 U CN 203549354U CN 201320466788 U CN201320466788 U CN 201320466788U CN 203549354 U CN203549354 U CN 203549354U
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- Prior art keywords
- coating
- steel pipe
- corrosion
- pipe body
- thickness
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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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- 239000010935 stainless steel Substances 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 14
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 239000002987 primer (paints) Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 10
- 238000007667 floating Methods 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920006334 epoxy coating Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
本实用新型提供了一种适用于海洋环境的耐腐蚀钢管，以解决现有的海洋环境钢管存在有效期较短，易老化，耐候性差的问题。包括钢管本体，钢管本体两端设有预留焊接段，钢管本体的内壁设有内防腐涂层，预留焊接段外壁设有可焊接涂层，钢管本体的外壁依次设有防腐底漆涂层、环氧云铁中间漆涂层、高固体份中涂层、耐磨涂层。具有优良的内防蚀、外防蚀、外防护性能，聚氨酯面漆层具有优良的耐化学腐蚀性，优异的耐候性；生产工艺简单，可广泛用于海洋平台架空管道、近海码头地面管道。
The utility model provides a corrosion-resistant steel pipe suitable for the marine environment to solve the problems that the existing marine environment steel pipe has a short valid period, is easy to age and has poor weather resistance. Including the steel pipe body, the two ends of the steel pipe body are provided with a reserved welding section, the inner wall of the steel pipe body is provided with an internal anti-corrosion coating, the outer wall of the reserved welding section is provided with a weldable coating, and the outer wall of the steel pipe body is provided with an anti-corrosion primer coating in turn , Epoxy mica iron intermediate paint coating, high solids intermediate coating, wear-resistant coating. It has excellent internal anti-corrosion, external anti-corrosion, and external protection properties. The polyurethane topcoat layer has excellent chemical corrosion resistance and excellent weather resistance; the production process is simple, and it can be widely used in overhead pipelines on offshore platforms and ground pipelines on offshore docks.
Description
Technical field
The utility model belongs to offshore engineering equipment, particularly a kind of steel pipe.
Background technique
At present, for the anti-corrosion protection of ocean environment steel structure, the general method that adopts coating anticorrosive coat.Require the protection period of anticorrosive coat in 15～20 years.And design according to this design philosophy, in selection and construction, be rigid in checking up, just can reach the long-effective protection to ocean environment steel structure.
Existing steel pipe, although coating has premium properties and the good anti-seawater corrosions such as salt spray resistance, resistance to bacterium, once occur that coating breaks, corrosion spreads very fast its Long Service Life that affects.
The shortcomings such as current ocean environment steel pipe exists effective date shorter, easily aging, and weatherability is poor.
Model utility content
The purpose of this utility model is to provide a kind of corrosion-proof steel pipe that is applicable to ocean environment, to solve existing ocean environment steel pipe, exists effective date shorter, easily aging, the problem that weatherability is poor.
The utility model is by the following technical solutions:
A kind of corrosion-proof steel pipe that is applicable to ocean environment, comprise steel pipe body, steel pipe body two ends are provided with reserved welding section, the inwall of steel pipe body is provided with inner anticorrosioning coating, reserved welding section outer wall is provided with can welding coating, and the outer wall of steel pipe body is provided with anti-corrosion primer coating, epoxy micaceous iron intermediate coat coating, high solid floating coat, wear resistant coating successively.
The thickness of inner anticorrosioning coating is 0.3～0.5mm; The thickness of anti-corrosion primer layer is 0.07～0.08mm; The thickness of epoxy micaceous iron intermediate coat coating is 0.06～0.08mm; The thickness of high solid floating coat is 0.1～0.12mm; The thickness of wear resistant coating is 0.08～0.1mm; Thickness that can welding coating is 0.02～0.03mm.
Inner anticorrosioning coating is epoxy resin composite material coating.
Anti-corrosion primer layer is epoxy zinc-rich coating layer.
Wear resistant coating is epoxy coating.
As further improvement, on wear resistant coating 7, be also provided with fluorescence circular layer, at night or light, play warning effect not good in the situation that.
The beneficial effects of the utility model: the corrosion-proof steel pipe that the utility model is applicable to ocean environment has good interior corrosion protection, outer corrosion protection, outer barrier propterty, and polyurethane finish layer has good chemical resistance, excellent weatherability; Production technology is simple, can be widely used in ocean platform aerial pipeline, quay surface, coastal waters pipeline.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As figure, a kind of corrosion-proof steel pipe that is applicable to ocean environment, comprise steel pipe body 1, steel pipe body 1 two ends are provided with reserved welding section 2, the inwall of steel pipe body 1 is provided with inner anticorrosioning coating 3, reserved welding section 2 outer walls are provided with can welding coating 8, and the outer wall of steel pipe body 1 is provided with anti-corrosion primer coating 4, epoxy micaceous iron intermediate coat coating 5, high solid floating coat 6, wear resistant coating 7 successively.
The thickness of inner anticorrosioning coating 3 is 0.3～0.5mm; The thickness of anti-corrosion primer layer 4 is 0.07～0.08mm; The thickness of epoxy micaceous iron intermediate coat coating 5 is 0.06～0.08mm; The thickness of high solid floating coat 6 is 0.1～0.12mm; The thickness of wear resistant coating 7 is 0.08-0.1mm; Thickness that can welding coating 8 is 0.02～0.03mm.
Inner anticorrosioning coating 3 is epoxy resin composite material coating.
Anti-corrosion primer layer 4 is epoxy zinc-rich coating layer.
Wear resistant coating 7 is epoxy coating.
On wear resistant coating 7, be also provided with fluorescence circular layer 9, at night or light, play warning effect not good in the situation that.
Claims (5)
1. one kind is applicable to the corrosion-proof steel pipe of ocean environment, it is characterized in that: comprise steel pipe body (1), steel pipe body (1) two ends are provided with reserved welding section (2), the inwall of steel pipe body (1) is provided with inner anticorrosioning coating (3), reserved welding section (2) outer wall is provided with can welding coating (8), the outer wall of steel pipe body (1) is provided with anti-corrosion primer coating (4), epoxy micaceous iron intermediate coat coating (5), high solid floating coat (6), wear resistant coating (7) successively, is also provided with fluorescence circular layer (9) on wear resistant coating (7).
2. the corrosion-proof steel pipe that is applicable to ocean environment as claimed in claim 1, is characterized in that: the thickness of inner anticorrosioning coating (3) is 0.3～0.5mm; The thickness of anti-corrosion primer layer (4) is 0.07～0.08mm; The thickness of epoxy micaceous iron intermediate coat coating (5) is 0.06～0.08mm; The thickness of high solid floating coat (6) is 0.1～0.12mm; The thickness of wear resistant coating (7) is 0.08～0.1mm; Thickness that can welding coating (8) is 0.02～0.03mm.
3. the corrosion-proof steel pipe that is applicable to ocean environment as claimed in claim 1, is characterized in that: inner anticorrosioning coating (3) is epoxy resin composite material coating.
4. the corrosion-proof steel pipe that is applicable to ocean environment as claimed in claim 1, is characterized in that: anti-corrosion primer layer (4) is epoxy zinc-rich coating layer.
5. the corrosion-proof steel pipe that is applicable to ocean environment as claimed in claim 1, is characterized in that: wear resistant coating (7) is epoxy coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466788.6U CN203549354U (en) | 2013-08-01 | 2013-08-01 | Corrosion-resistant steel pipe applicable to ocean environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466788.6U CN203549354U (en) | 2013-08-01 | 2013-08-01 | Corrosion-resistant steel pipe applicable to ocean environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549354U true CN203549354U (en) | 2014-04-16 |
Family
ID=50467468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320466788.6U Expired - Fee Related CN203549354U (en) | 2013-08-01 | 2013-08-01 | Corrosion-resistant steel pipe applicable to ocean environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260016A (en) * | 2019-06-21 | 2019-09-20 | 江苏柯伊诺阀门有限公司 | A kind of industrial pipeline anticorrosion valve casting |
-
2013
- 2013-08-01 CN CN201320466788.6U patent/CN203549354U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260016A (en) * | 2019-06-21 | 2019-09-20 | 江苏柯伊诺阀门有限公司 | A kind of industrial pipeline anticorrosion valve casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20160801 |