CN2317377Y - Composite corrosion-resisting industrial pipeline - Google Patents
Composite corrosion-resisting industrial pipeline Download PDFInfo
- Publication number
- CN2317377Y CN2317377Y CN 98202244 CN98202244U CN2317377Y CN 2317377 Y CN2317377 Y CN 2317377Y CN 98202244 CN98202244 CN 98202244 CN 98202244 U CN98202244 U CN 98202244U CN 2317377 Y CN2317377 Y CN 2317377Y
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- corrosion
- pipe
- composite
- industrial pipeline
- annulus
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
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Abstract
The utility model relates to a composite corrosion-resistant industrial pipeline which is an important component for chemical industry production, oil extraction and transport. The utility model is composed of a composite pipe body, a connecting hoop and a pipe end seal assembly. The corrosion-resistant performance of the inner walls of industrial pipe material can be improved. The composite pipe body is composed of a steel pipe, an annular cement pipe and a glass fibre reinforced plastic or PVC inner lining pipe. The steel pipe is connected with the connecting hoop through threads; the end surface of the composite pipe body is adhered with the glass fibre reinforced plastic or the PVC annular sleeve which is arranged on the end part of the composite pipe body and is closely contacted with a rubber seal ring which is arranged in the connecting hoop to form a pipe end connection seal structure. The utility model has the advantages of simple structure, simple technique and low manufacture cost. The utility model has the strength of steel pipe material as well as the corrosion-resistant performance of glass fibre reinforced plastic or PVC material.
Description
The utility model relates to a kind of anticorrosion pipeline, and particularly a kind of composite anti-corrosion industrial pipeline of being made up of the tubing of multiple material can be widely used in conveying, particularly petroleum production and the conveying of industrial chemicals.
When recover petroleum, in order to prevent that Korrosionsmedium from adopting following protective measures usually to the burn into of petroleum steel pipe materials such as oil pipe, sleeve pipe, conduit pipe, transport pipe and water injecting pipe: the inwall at steel tubing is coated with corrosion-inhibiting coating, or inwall adopts glass-lined, or adhesive glass Steel Lining pipe in the steel pipe, or with whole frp pipe replacement steel tubing.But all there are some shortcomings in above-mentioned protective measures.The steel tubing inwall is coated with corrosion-inhibiting coating, because unavoidably there are defectives such as pin hole, holiday in coating, and also may be because local coating shedding can not protect these positions effectively.Adopt glass-lined,, damage glass-lined when carrying and installation easily because glass is very crisp.Adhesive glass Steel Lining pipe in steel pipe, bonding preceding higher to the cleaning requirement of steel pipe inwall.Replace steel tubing with whole frp pipe, its intensity is lower, and price is higher.
The purpose of this utility model is to overcome the defective of prior art, provide that a kind of internal lining pipe antiseptic property is good, outer tube intensity height and internal lining pipe and the bonding firm composite anti-corrosion industrial pipeline of outer tube, and have production technology simple, connect easy, reliable, the lower-cost characteristic of sealing.
The purpose of this utility model is achieved in that a kind of composite anti-corrosion industrial pipeline, comprise compound body and box cupling, it is characterized in that: described compound body is composited by corrosion resisting liner pipe, outer steel pipe and middle cement ring pipe, be shaped on the connection outside thread on the two terminal circle cylindrical outer surface of outer steel pipe, be provided with black box between the compound body of two pipes, and connect by the annular box cupling that is shaped on internal thread.The two ends of described compound body are provided with corrosion-resistant ring set, this ring set is made of with the integrally formed cylinder of annulus an annulus and one, the external diameter of annulus is slightly less than the internal diameter of box cupling internal thread, the internal diameter of cylinder is identical with the internal diameter of annulus, and the external diameter of cylinder is slightly less than the internal diameter of corrosion resisting liner pipe.Described corrosion-resistant ring set is bonded in the end of compound body.Described black box is a rubber seal ring.The internal diameter of described rubber seal ring is identical with the internal diameter and the external diameter of the annulus of external diameter and corrosion-resistant ring set, the thickness of rubber seal ring is to determine like this: after box cupling and two composite pipe sports associations connect, rubber seal ring is closely contacted with the corrosion-resistant ring set of both sides and the end face of compound body, form end sealing.Described corrosion resisting liner pipe and corrosion-resistant ring set are made by glass fibre reinforced plastic material or pvc material (PVC) or polytetrafluoroethylmaterial material.
The utility model is to have taked protective measures at the inwall of plain carbon steel tubing, therefore has the intensity of steel tubing.Because the inside of compound body is the corrosion resisting liner pipe that adopts as glass fibre reinforced plastics, the pipe end employing connects sealing configuration by the end face of compound body, the pipe end that is bonded in the corrosion-resistant ring set of composite pipe end of body and places the rubber seal ring in the box cupling to form, prevent that aggressive medium from entering the screw thread part of steel pipe and box cupling, therefore the inwall at pipe has formed continuous, a complete protective coating, has the corrosion resistance as glass fibre reinforced plastics or PVC material.Owing to be with the cement ring pipe steel pipe and corrosion resisting liner pipe jointing to be in the same place, the cleaning requirement to the steel pipe inwall before the cement injection is lower, and bonding solid and reliable, and the equipment and the technology of cement injection are fairly simple.Because adopted compound body and pipe end to connect sealing configuration, it is reliable to connect sealing, relatively simple for structure.Compare with existing corrosion-resistant tubing, its price is lower.The utility model also can be used for the reparation of old petroleum steel pipe material.
Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described further.
Fig. 1 is the structural representation of composite anti-corrosion industrial pipeline of the present utility model.
Fig. 2 is the schematic representation of composite pipe end of body structure shown in Figure 1.
Referring to accompanying drawing, tubing of the present utility model is that the inwall at plain carbon steel tubing is compounded to form continuous, a complete protective coating.Plain carbon steel tubing is formed by scyewed joint by steel pipe 1 and box cupling 6.Can be found out by Fig. 1 and Fig. 2: the utility model connects sealing configuration by compound body, box cupling 6 and pipe end and forms.Compound body is made up of steel pipe 1, cement ring pipe 3 and corrosion resisting liner pipe 2.When producing compound body, at first be inserted in corrosion resisting liner pipe 2 in steel pipe 1, the annular space between steel pipe 1 and corrosion resisting liner pipe 2 injects cement slurry, and the cement ring pipe 3 that forms after cement slurry solidifies is in the same place steel pipe 1 and corrosion resisting liner pipe 2 strong bonded.The connection sealing configuration of pipe end comprises: each bonding corrosion-resistant ring set 4 in the end of two compound bodys, when two composite pipe sports associations connect, put into a rubber seal ring 5 at box cupling 6 middle parts, after tightening box cupling 6, rubber seal ring 5 closely contacts with the corrosion-resistant ring set 4 of both sides and the end face of compound body, forms pipe and connects sealing configuration.The shape of corrosion-resistant ring set 4 is made up of an annulus and a cylinder, and they form an integral body.The external diameter of annulus is slightly less than the internal diameter of box cupling 6 internal threads.Referring to Fig. 2, the right-hand member of annulus surface is the same with the side of rubber seal ring 5 big, and the left end surface bearing of annulus is on the end face of compound body.The internal diameter of cylinder is the same with the internal diameter of annulus big, and the external diameter of cylinder is slightly less than the internal diameter of corrosion resisting liner pipe 2.The internal diameter of rubber seal ring 5 is identical with the internal diameter and the external diameter of the annulus of corrosion-resistant ring set 4 with external diameter.The thickness of rubber seal ring 5 is to determine like this: when box cupling 6 with after steel pipe 1 connects, rubber seal ring 5 is closely contacted, the formation end sealing with the corrosion-resistant ring set 4 of both sides and the end face of compound body.Described corrosion resisting liner pipe 2 and corrosion-resistant ring set 4 can be made by glass fibre reinforced plastic material, and its corrosion resistant performance is good, and be applied widely and price is lower.Corrosion resisting liner pipe 2 and corrosion-resistant ring set 4 also can adopt PVC (PVC) material or polytetrafluoroethylmaterial material manufacturing.
Claims (6)
1, a kind of composite anti-corrosion industrial pipeline, comprise compound body and box cupling, it is characterized in that: described compound body is composited by corrosion resisting liner pipe, outer steel pipe and middle cement ring pipe, be shaped on the connection outside thread on the two terminal circle cylindrical outer surface of outer steel pipe, be provided with black box between the compound body of two pipes, and connect by the annular box cupling that is shaped on internal thread.
2, composite anti-corrosion industrial pipeline as claimed in claim 1, it is characterized in that: the two ends of described compound body are provided with corrosion-resistant ring set, this ring set is made of with the integrally formed cylinder of annulus an annulus and one, the external diameter of annulus is slightly less than the internal diameter of box cupling internal thread, the internal diameter of cylinder is identical with the internal diameter of annulus, and the external diameter of cylinder is slightly less than the internal diameter of corrosion resisting liner pipe.
3, composite anti-corrosion industrial pipeline as claimed in claim 2, it is characterized in that: described corrosion-resistant ring set is bonded in the end of compound body.
4, composite anti-corrosion industrial pipeline as claimed in claim 1 is characterized in that: described black box is a rubber seal ring.
5, composite anti-corrosion industrial pipeline as claimed in claim 4, it is characterized in that: the internal diameter of described rubber seal ring is identical with the internal diameter and the external diameter of the annulus of external diameter and corrosion-resistant ring set, the thickness of rubber seal ring is to determine like this: after box cupling and two composite pipe sports associations connect, rubber seal ring is closely contacted with the corrosion-resistant ring set of both sides and the end face of compound body, form end sealing.
5, as the described composite anti-corrosion industrial pipeline of one of claim 1 to 5, it is characterized in that: described corrosion resisting liner pipe and corrosion-resistant ring set are made by glass fibre reinforced plastic material or pvc material (PVC) or polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202244 CN2317377Y (en) | 1998-03-17 | 1998-03-17 | Composite corrosion-resisting industrial pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202244 CN2317377Y (en) | 1998-03-17 | 1998-03-17 | Composite corrosion-resisting industrial pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2317377Y true CN2317377Y (en) | 1999-05-05 |
Family
ID=33959338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98202244 Expired - Fee Related CN2317377Y (en) | 1998-03-17 | 1998-03-17 | Composite corrosion-resisting industrial pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2317377Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304779C (en) * | 2004-08-18 | 2007-03-14 | 武汉大学 | Steel skeleton composite pipe |
| CN100380050C (en) * | 2005-09-26 | 2008-04-09 | 梁乙次 | Method for manufacturing stainless steel flue pipe for coal-fired stove |
| CN102062276A (en) * | 2010-11-18 | 2011-05-18 | 大庆井井源油田科技开发有限公司 | Plastic high-strength anticorrosive coating lining steel tube and connecting assembly |
| CN103292089A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Pipe-end port structure for high-pressure delivery pipelines |
| CN108747214A (en) * | 2018-05-24 | 2018-11-06 | 上海天阳钢管有限公司 | A kind of process of compound oil well pipe of the manufacture with hoop |
| CN108930844A (en) * | 2018-08-17 | 2018-12-04 | 中国中元国际工程有限公司 | A kind of steel modeling slip casting multiple tube for fluid heating snow melt |
| CN109099260A (en) * | 2018-08-17 | 2018-12-28 | 中国中元国际工程有限公司 | A kind of steel modeling slip casting multiple tube for fluid heating snow melt |
| CN119353507A (en) * | 2023-12-30 | 2025-01-24 | 湖南振辉管业有限公司 | A kind of multi-layered socket-and-spigot pipe with corrosion-resistant metal lining |
-
1998
- 1998-03-17 CN CN 98202244 patent/CN2317377Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304779C (en) * | 2004-08-18 | 2007-03-14 | 武汉大学 | Steel skeleton composite pipe |
| CN100380050C (en) * | 2005-09-26 | 2008-04-09 | 梁乙次 | Method for manufacturing stainless steel flue pipe for coal-fired stove |
| CN102062276A (en) * | 2010-11-18 | 2011-05-18 | 大庆井井源油田科技开发有限公司 | Plastic high-strength anticorrosive coating lining steel tube and connecting assembly |
| CN102062276B (en) * | 2010-11-18 | 2013-02-27 | 大庆井井源油田科技开发有限公司 | Plastic high-strength anticorrosive coating lining steel tube and connecting assembly |
| CN103292089A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Pipe-end port structure for high-pressure delivery pipelines |
| CN108747214A (en) * | 2018-05-24 | 2018-11-06 | 上海天阳钢管有限公司 | A kind of process of compound oil well pipe of the manufacture with hoop |
| CN108930844A (en) * | 2018-08-17 | 2018-12-04 | 中国中元国际工程有限公司 | A kind of steel modeling slip casting multiple tube for fluid heating snow melt |
| CN109099260A (en) * | 2018-08-17 | 2018-12-28 | 中国中元国际工程有限公司 | A kind of steel modeling slip casting multiple tube for fluid heating snow melt |
| CN108930844B (en) * | 2018-08-17 | 2024-05-14 | 中国中元国际工程有限公司 | Steel-plastic grouting composite pipe for heating and melting snow by fluid |
| CN119353507A (en) * | 2023-12-30 | 2025-01-24 | 湖南振辉管业有限公司 | A kind of multi-layered socket-and-spigot pipe with corrosion-resistant metal lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |