CN204083617U - Composite-curve - Google Patents
Composite-curve Download PDFInfo
- Publication number
- CN204083617U CN204083617U CN201420329535.9U CN201420329535U CN204083617U CN 204083617 U CN204083617 U CN 204083617U CN 201420329535 U CN201420329535 U CN 201420329535U CN 204083617 U CN204083617 U CN 204083617U
- Authority
- CN
- China
- Prior art keywords
- straight length
- nickel
- resistant coating
- carbon steel
- corrosion
- Prior art date
- 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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Abstract
A kind of composite-curve, comprising: be located at the straight length at two ends, be located at bend loss between straight length, it is characterized in that: the inwall of straight length and bend loss is coated with a nickel-base alloy corrosion-resistant coating; And this nickel-base alloy corrosion-resistant coating is formed carbon steel tube inner wall overlaying by welding machine.The utility model has high strength and good decay resistance, still can keep good service behaviour and working life and with low cost under severe operating mode; Solve the not enough and pure corrosion resisting alloy bend pipe problem costly of carbon steel bend pipe decay resistance.
Description
Technical field
The utility model relates to submarine pipeline, particularly relates to the composite-curve that a kind of inwall is provided with corrosion-resistant coating.Belong to Offshore Engineering field.
Background technique
At present, the Global Oil energy is day by day in short supply, and land, shallow sea oil gas field resource are fewer and feweri, the deepwater field that petrol resources exploitation turns to development difficulty larger and high Oil & gas field in sulfur.The exploitation of various deep-sea and high Oil & gas field in sulfur, purified treatment, the devices such as conveying due to structure intricate, need the bend pipe of various angle to carry out transmission shunting, these are just more and more to corrosion-resistant bend pipe demand.
Existing corrosion-resistant bend pipe comprises: carbon steel bend pipe, pure corrosion resisting alloy bend pipe; Wherein, because carbon steel bend pipe decay resistance is not enough, in deep-sea, use easily corrosion; And pure corrosion resisting alloy bend pipe costly, cause high cost.
Model utility content
Main purpose of the present utility model is the above-mentioned shortcoming overcoming prior art existence, and a kind of composite-curve is provided, it has high strength and good decay resistance, still can keep good service behaviour and working life and with low cost under severe operating mode; Solve the not enough and pure corrosion resisting alloy bend pipe problem costly of carbon steel bend pipe decay resistance.
The purpose of this utility model is realized by following technological scheme:
A kind of composite-curve, comprising: be located at the straight length at two ends, be located at bend loss between straight length, it is characterized in that: the inwall of straight length and bend loss is coated with a nickel-base alloy corrosion-resistant coating.
The base material of described straight length and bend loss is carbon steel tube, and the angle of bend loss is: 20 ° ~ 170 °.
The thickness of described nickel-base alloy corrosion-resistant coating is: 3-5mm; And this nickel-base alloy corrosion-resistant coating is formed carbon steel tube inner wall overlaying by welding machine.
The beneficial effects of the utility model: the utility model is owing to adopting technique scheme, and it has high strength and good decay resistance, still can keep good service behaviour and working life and with low cost under severe operating mode; Solve the not enough and pure corrosion resisting alloy bend pipe problem costly of carbon steel bend pipe decay resistance.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model schematic cross-section.
Major label description in figure:
1. straight length, 2. changeover portion, 3. nickel-base alloy corrosion-resistant coating.
Embodiment
As shown in Fig. 1, Fig. 2, the utility model comprises: be located at the straight length 1 at two ends, be located at bend loss 2 between straight length, wherein, the base material of straight length 1 and bend loss 2 is carbon steel tube, and the angle of bend loss 2 is: 20 ° ~ 170 °; The inwall of straight length 1 and bend loss 2 is coated with: the nickel-base alloy corrosion-resistant coating 3 of 3-5mm, and this nickel-base alloy corrosion-resistant coating 3 is formed carbon steel tube inner wall overlaying by welding machine.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (1)
1. a composite-curve, comprising: be located at the straight length at two ends, be located at bend loss between straight length, it is characterized in that: the inwall of straight length and bend loss is coated with a nickel-base alloy corrosion-resistant coating; The base material of straight length and bend loss is carbon steel tube, and the angle of bend loss is: 20 ° ~ 170 °; The thickness of nickel-base alloy corrosion-resistant coating is: 3-5mm; And this nickel-base alloy corrosion-resistant coating is formed carbon steel tube inner wall overlaying by welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329535.9U CN204083617U (en) | 2014-06-19 | 2014-06-19 | Composite-curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329535.9U CN204083617U (en) | 2014-06-19 | 2014-06-19 | Composite-curve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083617U true CN204083617U (en) | 2015-01-07 |
Family
ID=52176338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329535.9U Expired - Fee Related CN204083617U (en) | 2014-06-19 | 2014-06-19 | Composite-curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135129A (en) * | 2015-06-23 | 2015-12-09 | 张家港迪威高压管件有限公司 | High-pressure pipe fitting |
| CN115213630A (en) * | 2021-12-10 | 2022-10-21 | 郑州万达重工股份有限公司 | Bending method of nickel-based composite bent pipe with small curvature radius |
-
2014
- 2014-06-19 CN CN201420329535.9U patent/CN204083617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135129A (en) * | 2015-06-23 | 2015-12-09 | 张家港迪威高压管件有限公司 | High-pressure pipe fitting |
| CN115213630A (en) * | 2021-12-10 | 2022-10-21 | 郑州万达重工股份有限公司 | Bending method of nickel-based composite bent pipe with small curvature radius |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |