CN104197114A - Composite steel tube used for oil and gas conveying pipeline and externally wound by glass fiber resin reinforcing protective layer - Google Patents
Composite steel tube used for oil and gas conveying pipeline and externally wound by glass fiber resin reinforcing protective layer Download PDFInfo
- Publication number
- CN104197114A CN104197114A CN201410450757.0A CN201410450757A CN104197114A CN 104197114 A CN104197114 A CN 104197114A CN 201410450757 A CN201410450757 A CN 201410450757A CN 104197114 A CN104197114 A CN 104197114A
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- Prior art keywords
- pipeline
- tube
- steel
- composite
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a composite steel tube used for an oil and gas conveying pipeline and externally wound by a glass fiber resin reinforcing protective layer. A traditional pipeline steel tube is taken as a base tube, high-strength glass fibers infiltrated with resin are wound around the outer surface of the pipeline steel base tube and serve as the high-strength glass fiber reinforcing resin layer, and therefore the brand new composite tube is formed, wherein the inner layer of the composite tube is pipeline steel, and the outer layer of the composite tube is glass-reinforced plastic. The composite tube has the performance characteristics of the pipeline steel tube and a glass reinforced plastic tube, the pressure bearing capacity and the crack arrest capacity of the pipeline are improved, the defect that a high-strength pipeline is poor in tenacity is overcome, 3PE outer corrosion prevention of a traditional pipeline is replaced, the corrosion-resistant and ageing-resistant capacity of the pipeline are improved, and in comparison with a 100% pipeline steel tube with the same pressure bearing capacity, the manufacturing cost of the composite steel tube is reduced by about 20%. The composite steel tube can be used and popularized in construction projects of long-distance petroleum and gas conveying pipelines.
Description
Technical field
The invention belongs to the manufacturing technology field of composite pipe, be specifically related to the tubing that the engineering construction of petroleum gas high pressure long-distance transmission pipeline is composited with pipe line steel and glass fibre reinforced plastics.
Background technique
Along with the continuous growth of country to oil gas energy demand, tackle mutually oil gas and carry by pipeline discharge pressure, low-temperature flexibility, the performance such as anticorrosive and proposed requirements at the higher level, the ripe pipe line steel of applying has been difficult to meet above-mentioned requirements now.Pipe line steel more than exploitation X80 steel-grade, the toughness of material and the fracture arrest problem of pipeline are a difficult problem all the time, list is difficult to solve from steel itself now, and development and manufacturing cost is high, is restricting the construction of long oil and gas pipeline engineering.
Summary of the invention
The present invention seeks to solve the toughness of existing higher Grade Pipeline Steel material itself and the fracture arrest problem of pipeline, provide that a kind of bearing capacity is high, crack arrest characteristic is strong, corrosion resisting property is good, low cost of manufacture
external application glass fiber resin strengthens the pipe-line composite steel tube of protective layer.
External application glass fiber resin provided by the invention strengthens the pipe-line composite steel tube of protective layer, and the existing ripe pipeline steel tube of applying of take is base tube, is wound around high-strength glass fibre enhancing resin layer is again composited at this base tube outer surface; Described pipe line steel base tube diameter is 508～1422mm, and pipe line steel base tube wall thickness is 10～30 mm, and it is 3～20mm that high-strength glass fibre strengthens resin layer thickness.
advantage of the present invention and good effect:
Tubing of the present invention has possessed the performance characteristics of pipeline steel tube and Glass Steel Tube simultaneously, improved the bearing capacity of pipeline, made up the drawback of high tensile pipeline steel toughness deficiency, replaced traditional pipeline 3PE outer anticorrosion, corrosion-resistant, the ageing-resistant ability of pipeline is further improved, compare manufacture cost with 100% pipeline steel tube of equal bearing capacity and reduce approximately 20%, this product can be promoted the use of in growing apart from Oil and Natural Gas Transportation Pipeline construction project.
Modern pipe-line conveying capacity requires more and more higher, this means that pipeline discharge pressure is higher, and caliber is larger, and the steel strength needing is higher.The higher diameter of steel pipe discharge pressure is larger just need to higher arrest toughness.The line design discharge pressure 10MPa that transfers natural gas from the west to the east, design year transport gas 12,000,000,000 sides, adopt X70 Φ 1016mm steel pipe of pipe line steel, the toughness reguirements of steel pipe Charpy impact is greater than 160J.The second west to east gas pipeline project west section design discharge pressure 12MPa transport gas 30,000,000,000 sides, adopt X80 Φ 1219 steel pipe of pipe line steels, the toughness reguirements of steel pipe Charpy impact is greater than 220J, if same pipeline adopts X90 Φ 1219 steel pipe of pipe line steels, the toughness reguirements of steel pipe Charpy impact is greater than 265J.Following gas transmission line design discharge pressure 12MPa transport gas ability 45,000,000,000 sides, adopt X80 Φ 1422 steel pipe of pipe line steels, and the toughness reguirements of steel pipe Charpy impact is greater than 245J.The higher arrest toughness that just need to be higher of steel pipe working pressure, improve intensity and toughness is very difficult thing in steel plate manufacture field simultaneously, this means need to higher manufacture difficulty and the manufacture cost of Geng Gao, and heavy wall especially thickness is greater than 30mm X80 steel plate toughness and is more difficult to ensure that card, manufacture difficulty are larger, manufacture cost is higher.
The present invention adopts external application glass fiber resin enhancing technology, utilizes the characteristic of glass fiber reinforcement steel pipe to slacken the tendency of crackle along the expansion of steel pipe length direction, has improved high pressure oil and gas pipeline crack arrest ability.
The present invention adopts external application glass fiber resin enhancing technology, at least can reduce thickness of steel pipe 1/3rd.For former design wall thickness, be greater than the thick walled steel tube of 25mm, reduced the manufacture difficulty of steel plate and steel pipe, reduced the manufacture cost of steel plate and steel pipe.
Adopt the composite steel tube of manufacture of the present invention to save 3PE or 3PP anticorrosive coat that traditional oils letter shoot line adopts, saved the anticorrosion cost of steel pipe, by the second west to east gas pipeline project Φ 1219 pipelines, calculate every km pipeline and at least save 240,000 yuan, press 4000km, only this item engineering corrosion-resistant expense just can be saved 9.6 hundred million yuan.
High strength glass hardness of steel is 2 ~ 4 times of X80 hardness of steel, by 2 times of calculating, glass fibre reinforced plastics segment thickness is half of instead of steel thickness of pipe wall, and steel pipe as thick in former design 40mm adopts 25mm steel pipe to add 7.5mm heavy sheet glass steel, and the thick steel pipe of former design 30mm adopts 20mm steel pipe to add 5mm glass fibre reinforced plastics.Pipeline steel tube manufacture cost at least can reduce by 20%.
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Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1
steel tube sectionschematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail, but the invention is not restricted to these embodiments.
embodiment 1:
As shown in Figure 1, the composite pipe of the present embodiment comprises that pipe line steel base tube 1 and high-strength glass fibre strengthen resin layer 2 and form.Galss fiber reinforced resin layer is that the high-strength glass fibre or the strap that infiltrate resin are wound into pipe line steel base tube outer surface, and forming a kind of internal layer is that pipe line steel, skin are the long distance oil-gas conveyance conduit construction project Novel composite pipe of glass fibre reinforced plastics.
The base tube 1 of the present embodiment is steel pipes with straight, also can adopt Spiral Steel Pipe, adopts submerged arc technique to be welded.Outer diameter of steel pipes is that 1219mm, wall thickness are that 22mm, material are X80 level pipe line steel.High-strength glass fibre strengthens resin layer 2 and is comprised of high-strength E galss fiber reinforced resin, is wound on steel pipe base tube, and after wound and solidified, the thickness of galss fiber reinforced resin layer is 5.5mm.
The composite pipe of this structure, 100% pipeline steel tube identical with bearing capacity (external diameter is that Φ 1219mm, wall thickness are that 33 mm, material are that X100,3PE are outer anticorrosion) compared, made up the drawback of high tensile pipeline steel toughness deficiency, replaced traditional pipeline 3PE outer anticorrosion, corrosion-resistant, the ageing-resistant ability of pipeline is further improved, tubing weight reduces approximately 25%, and manufacture cost at least reduces by 20%.
embodiment 2
The composite pipe of the present embodiment consists of pipe line steel base tube 1 and glass fibre reinforced plastics overcoating 2.
The base tube of the present embodiment adopts longitudinal submerged arc welded pipe, and outer diameter of steel pipes is that 1422mm, wall thickness are that 21mm, material are X80 level pipe line steel.Skin is comprised of high-strength E galss fiber reinforced resin, is wound on steel pipe base tube, and after wound and solidified, the thickness of galss fiber reinforced resin composite bed is 5mm.
The composite pipe of this structure, compares with 100% pipeline steel tube (external diameter is that 1422mm, wall thickness are that 30.7 mm, material are that X80 level pipe line steel, 3PE are outer anticorrosion) of equal wall thickness, and bearing capacity is identical, and tubing weight reduces 25%, and manufacture cost at least reduces by 20%.
embodiment 3
The composite pipe of the present embodiment consists of pipe line steel base tube 1 and glass fibre reinforced plastics overcoating 2.
The inner tube of the present embodiment adopts spiral submerged arc welded steel pipe, and outer diameter of steel pipes is that 508mm, wall thickness are that 9.5mm, material are X60 level pipe line steel.Skin is comprised of high-strength E galss fiber reinforced resin, is wound on steel pipe base tube under suitable tension force, and after wound and solidified, the thickness of galss fiber reinforced resin composite bed is 3.2mm.
The composite pipe of this structure, compare with 100% pipeline steel tube (external diameter is that 508mm, wall thickness are that 12.7mm, material are that X60 level pipe line steel, 3PE are outer anticorrosion) of equal wall thickness, bearing capacity has improved 38%, and tubing weight reduces 12%, and manufacture cost at least reduces by 10%.
Claims (2)
1. one kind
external application glass fiber resin strengthens the pipe-line composite steel tube of protective layer, it is characterized in that: described steel pipe be take conventional line steel pipe as base tube, at this base tube outer surface, be wound around again high-strength glass fibre enhancing resin layer and be composited.
2. according to claim 1
external application glass fiber resin strengthens the pipe-line composite steel tube of protective layer, it is characterized in that: described pipe line steel base tube diameter is 508～1422mm, and pipe line steel base tube wall thickness is 10～30 mm, it is 3～20mm that high-strength glass fibre strengthens resin layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450757.0A CN104197114A (en) | 2014-09-05 | 2014-09-05 | Composite steel tube used for oil and gas conveying pipeline and externally wound by glass fiber resin reinforcing protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450757.0A CN104197114A (en) | 2014-09-05 | 2014-09-05 | Composite steel tube used for oil and gas conveying pipeline and externally wound by glass fiber resin reinforcing protective layer |
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| Publication Number | Publication Date |
|---|---|
| CN104197114A true CN104197114A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410450757.0A Pending CN104197114A (en) | 2014-09-05 | 2014-09-05 | Composite steel tube used for oil and gas conveying pipeline and externally wound by glass fiber resin reinforcing protective layer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333244A (en) * | 2015-09-18 | 2016-02-17 | 苏州好洁清洁器具有限公司 | High temperature resistant fiberglass extension tube |
| CN105333243A (en) * | 2015-11-18 | 2016-02-17 | 潘泉方 | High pressure pipeline (functional combination through winding SUS304L pipes around GRP pipes) |
| CN105805432A (en) * | 2016-05-05 | 2016-07-27 | 中国石油天然气集团公司 | Composite material reinforced steel pipeline and preparation method thereof |
| CN109506053A (en) * | 2018-12-17 | 2019-03-22 | 巢湖鹏远金属焊管有限公司 | A kind of stainless steel composite pipe of wear resistant corrosion resistant |
| CN109707918A (en) * | 2018-12-17 | 2019-05-03 | 巢湖鹏远金属焊管有限公司 | A kind of stainless steel pipe surface processing method |
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| CN2473427Y (en) * | 2001-03-12 | 2002-01-23 | 李世昌 | High strength stainless steel-glass fiber reinforced plastic composite pipe |
| CN2746236Y (en) * | 2004-01-09 | 2005-12-14 | 刘冰 | Anti-penetration compound tube |
| CN200996505Y (en) * | 2007-01-22 | 2007-12-26 | 王培军 | Composite grease-dipping pipe of glass fiber |
| JP2012051361A (en) * | 2010-08-05 | 2012-03-15 | Sekisui Chem Co Ltd | Method of manufacturing multi-layer tube with flange and multi-layer tube with flange |
| CN203082390U (en) * | 2013-02-01 | 2013-07-24 | 天津中之景环保科技有限公司 | Glass reinforced plastic reinforced composite steel pipe |
| CN203309381U (en) * | 2013-06-15 | 2013-11-27 | 湖南天一制造技术有限公司 | Concrete transport pipe |
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2014
- 2014-09-05 CN CN201410450757.0A patent/CN104197114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473427Y (en) * | 2001-03-12 | 2002-01-23 | 李世昌 | High strength stainless steel-glass fiber reinforced plastic composite pipe |
| CN2746236Y (en) * | 2004-01-09 | 2005-12-14 | 刘冰 | Anti-penetration compound tube |
| CN200996505Y (en) * | 2007-01-22 | 2007-12-26 | 王培军 | Composite grease-dipping pipe of glass fiber |
| JP2012051361A (en) * | 2010-08-05 | 2012-03-15 | Sekisui Chem Co Ltd | Method of manufacturing multi-layer tube with flange and multi-layer tube with flange |
| CN203082390U (en) * | 2013-02-01 | 2013-07-24 | 天津中之景环保科技有限公司 | Glass reinforced plastic reinforced composite steel pipe |
| CN203309381U (en) * | 2013-06-15 | 2013-11-27 | 湖南天一制造技术有限公司 | Concrete transport pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333244A (en) * | 2015-09-18 | 2016-02-17 | 苏州好洁清洁器具有限公司 | High temperature resistant fiberglass extension tube |
| CN105333243A (en) * | 2015-11-18 | 2016-02-17 | 潘泉方 | High pressure pipeline (functional combination through winding SUS304L pipes around GRP pipes) |
| CN105805432A (en) * | 2016-05-05 | 2016-07-27 | 中国石油天然气集团公司 | Composite material reinforced steel pipeline and preparation method thereof |
| CN109506053A (en) * | 2018-12-17 | 2019-03-22 | 巢湖鹏远金属焊管有限公司 | A kind of stainless steel composite pipe of wear resistant corrosion resistant |
| CN109707918A (en) * | 2018-12-17 | 2019-05-03 | 巢湖鹏远金属焊管有限公司 | A kind of stainless steel pipe surface processing method |
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Application publication date: 20141210 |