CN104315260A - Fiber line pipe and preparation method thereof - Google Patents
Fiber line pipe and preparation method thereof Download PDFInfo
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- CN104315260A CN104315260A CN201410429742.6A CN201410429742A CN104315260A CN 104315260 A CN104315260 A CN 104315260A CN 201410429742 A CN201410429742 A CN 201410429742A CN 104315260 A CN104315260 A CN 104315260A
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- layer
- epoxy resin
- resin layer
- canoe
- fiber belt
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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
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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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- 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
- F16L58/1072—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being a sprayed layer
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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
- F16L58/109—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being an extruded layer
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a fiber line pipe and a preparation method thereof. The fiber line pipe comprises a steel liner layer, a epoxy resin layer, a fiber belt layer and a PE (polyethylene) plastic layer, wherein the epoxy resin layer is arranged on the outer surface of the steel liner layer; the fiber belt layer is arranged on the outer surface of the epoxy resin layer; the PE plastic layer is arranged on the outer surface of the fiber belt layer; when the pipe diameter of the fiber line pipe is any value of 508-1422mm, the pressure-bearing intensity of the fiber line pipe is N which is not less than 15MPa.
Description
Technical field
The present invention relates to long oil and gas pipeline technical field, be specifically related to a kind of Pressure fiberglass Line and preparation method thereof.
Background technique
Along with the rapid growth of oil gas consumption, oil and gas pipes builds also develop rapidly, the throughput rate of long oil and gas pipeline, pressure, grade of steel, caliber are increasing, prior art normally adopts steel long oil and gas pipeline, but there is corrosion resistance difference in described steel long oil and gas pipeline, construction operation cost is high, and steel consumption amount is large, not energy-conserving and environment-protective; And inwall is rough, frictional resistance is large, and fluid transportation energy consumption is high; And High Strength Steel ductility, toughness reduce, pipe safety is poor; And heavy caliber, high-pressure pipe wall thickness is large, steel plate rolling is difficult, the problems such as the tube manufacture such as elbow, threeway difficulty is large, and efficiency of construction is low, and construction cost is high, existing long oil and gas pipeline grade of steel is X70 and X80, and self crack arrest characteristic of X100 and the X120 steel pipe developed now is poor, long distance pipeline field cannot be directly applied to, make existing fluid steel long distance pipeline occur bottleneck.
But not metal composite pipe material is because its bearing capacity is high, lightweight, arrest toughness is good, become another trend of Novel pipeline steel pipe development, by the compound of different materials, multiple tube can realize the various performances of pipeline steel tube, reach that intensity is high, good toughness, the requirement that lightweight, anticorrosion, corrosion resisting property is superior, improve the Security of pipeline, reduce the use of steel.
Summary of the invention
The embodiment of the present application is by providing a kind of Pressure fiberglass Line and preparation method thereof, described Pressure fiberglass Line is made up of high-strength compound tubing and steel, and described high-strength compound tubing can bear higher discharge pressure, and have good anticorrosion, corrosion resisting property, make the described Pressure fiberglass Line be made up of described high intensity composite pipes, compared with existing steel long oil and gas pipeline, have better anticorrosion, corrosion resisting property, and the effect that bearing strength is higher, high-pressure large-caliber long oil and gas pipeline and oil gas field gathering line field can be may be used for, replace existing pipeline steel tube, break through the technical bottleneck of long oil and gas pipeline field pipeline steel tube development.
The embodiment of the present application provides a kind of Pressure fiberglass Line, comprise steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, wherein, described epoxy resin layer is arranged on the outer surface of described steel lining tube layer, described fiber belt is arranged on the outer surface of described epoxy resin layer, described PE plastic layer is arranged on the outer surface of described fiber belt, wherein, when the value of the caliber of described Pressure fiberglass Line is any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is N, and described N is not less than 15MPa.。
Optionally, described epoxy resin layer be epoxy powder is sprayed to described steel lining tube layer outer surface on and formed.
Optionally, the thickness of described epoxy resin layer is any one value in 50-300 μm.
Optionally, also comprise: adhesive layer, be arranged between described epoxy resin layer and described fiber belt.
Optionally, described fiber belt be fiber band is wrapped in described adhesive layer with the first canoe outer surface on and formed.
Optionally, described first canoe is one or more during wound in parallel, vertical wrap and angular cross are wound around.
Optionally, described PE plastic layer with by PE plastics so that the outer surface extruded canoe and be wrapped in described fiber belt to be formed.
The application another embodiment still provides a kind of preparation method of Pressure fiberglass Line, comprise the following steps:
Step a: sprayed to by epoxy powder on the outer surface of the steel liner tube, forms epoxy resin layer;
Step b: be wrapped in the first canoe on the outer surface of described epoxy resin layer by fiber band, forms fiber belt;
Step c: be wrapped in the second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
Optionally, before step a, processing of rust removing is carried out to the outer surface of described the steel liner tube.
Optionally, the thickness of described epoxy resin layer is any one value in 50-300 μm.
Optionally, described first canoe be wound in parallel, vertical wrap and angular cross be wound around in one or more, described second canoe is for extruding canoe.
Optionally, after execution step a, described method also comprises:
Steps d: whitewashed by Bond on the outer surface of described epoxy resin layer, forms adhesive layer;
Step e: be wrapped on the outer surface of described adhesive layer with described first canoe by fiber band, forms described fiber belt;
Step c: be wrapped in described second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
Beneficial effect of the present invention is as follows:
In the embodiment of the present invention, technical scheme is that Pressure fiberglass Line comprises steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, make epoxy resin, fiber band and PE plastics carry out being compounded to form high-strength compound tubing, then the steel of described high-strength compound tubing and described steel lining tube layer are carried out combining and obtain described Pressure fiberglass Line, relative with steel, by epoxy resin, the high-strength compound tubing of fiber band and PE plastics composition has better hoop bearing capacity and axial tensility, and the value of the caliber of described Pressure fiberglass Line is when being any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is not less than 15MPa, make the load performance of described Pressure fiberglass Line better, rolled steel dosage can be significantly reduced, in addition, described PE plastic layer has good anticorrosion, corrosion resisting property, and be arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is had good anticorrosion, corrosion resisting property.
Accompanying drawing explanation
Fig. 1 is the structural drawing of Pressure fiberglass Line in the embodiment of the present invention.
Embodiment
In the technological scheme that the embodiment of the present invention proposes, technical scheme is that Pressure fiberglass Line comprises steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, make epoxy resin, fiber band and PE plastics carry out being compounded to form high-strength compound tubing, then the steel of described high-strength compound tubing and described steel lining tube layer are carried out combining and obtain described Pressure fiberglass Line, relative with steel, by epoxy resin, the high-strength compound tubing of fiber band and PE plastics composition has better hoop bearing capacity and axial tensility, and the value of the caliber of described Pressure fiberglass Line is when being any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is not less than 15MPa, make the load performance of described Pressure fiberglass Line better, rolled steel dosage can be significantly reduced, in addition, described PE plastic layer has good anticorrosion, corrosion resisting property, and be arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is had good anticorrosion, corrosion resisting property.
Below in conjunction with each accompanying drawing, the main of embodiment of the present invention technological scheme is realized principle, embodiment and set forth in detail the beneficial effect that should be able to reach.
One embodiment of the invention proposes a kind of Pressure fiberglass Line, specifically see Fig. 1, comprise Baogang's bushing pipe layer 4, epoxy resin layer 3, fiber belt 2 and PE plastic layer 1, wherein, steel lining tube layer 4 in described Pressure fiberglass Line is arranged on innermost layer, steel lining tube layer 4 adopts steel strength to be that the steel of X70 or X780 are made, epoxy resin layer 3 is arranged on the outer surface of steel lining tube layer 4, fiber belt 2 is arranged on the outer surface of epoxy resin layer 3, PE plastic layer 1 is arranged on the outer surface of fiber belt 2, makes PE plastic layer 1 be arranged on the outermost surface of described Pressure fiberglass Line.
Concrete, see Fig. 1, epoxy resin layer 3 be epoxy powder is sprayed to steel lining tube layer 2 outer surface on and formed, because epoxy resin has good physics, chemical property, it has excellent bonding strength to the surface of metal and nonmetallic material, fire retardant are good, set shrinkage is little, product size good stability, hardness is high, pliability is better, to the feature such as alkali and most of solvent-stable, make epoxy resin layer 3 can more stable bonding and steel lining tube layer 4, and before outer surface epoxy powder being sprayed to steel lining tube layer 2, the outer surface of steel lining tube layer 2 is also needed to carry out processing of rust removing, it can be specifically shot peening, the modes such as chemical rust removal eliminate rust.
Further, see Fig. 1, the thickness of epoxy resin layer 3 is any one value in 50-300 μm, such as, can be 50 μm, 60 μm, 100 μm, 240 μm equivalences.
In specific implementation process, fiber belt 2 be fiber band is wrapped in epoxy resin layer 3 with the first canoe outer surface on and formed, described first canoe is one or more during wound in parallel, vertical wrap and angular cross are wound around.
Specifically, by Fiber Winding on the outer surface of epoxy resin layer 3 in process, fiber band can adopt wound in parallel, vertical wrap, also can be wound around by angular cross canoe, the thickness of fiber belt 2 can design according to different requirements, and then the different performance of tubing can be realized, meet the requirement of different demand.
The fibers such as glass fibre, carbon fiber and aramid fibre can be adopted due to fiber band to make, thus make fiber band have high-tensile and anti-deformation, Anti-cracking, never degenerate, outstanding self adhesive, insulating heat-conductive, the performance such as high temperature resistant, so, makes fiber belt 2 also have high-tensile and deformation resistance, Anti-cracking, never degenerate, outstanding self adhesive, insulating heat-conductive, the performance such as high temperature resistant, makes described Pressure fiberglass Line also have the performance of high-tensile and deformation resistance.
Further, PE plastic layer 1 with by PE plastics so that the outer surface extruded canoe and be wrapped in fiber belt 2 to be formed, because PE plastics have good anticorrosion, corrosion resisting property, PE plastic layer 2 is made also to have good anticorrosion, corrosion resisting property, and PE plastic layer 2 is arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is made to have good anticorrosion, corrosion resisting property.
Wherein, extrude canoe described in PE plastic layer 1 adopts by the outer surface of PE plastic winding fiber belt 2, carry out water-spraying control after extruding, wherein, PE plastic layer 1 extrude thickness any one value in 1-5mm, can be such as 1mm, 2mm, 4mm and 5mm etc.
In another embodiment, see Fig. 1, described Pressure fiberglass Line can also comprise the adhesive layer be arranged between epoxy resin layer 3 and fiber belt 2, described adhesive layer be Bond is whitewashed epoxy resin layer 3 outer surface on formed, then outer surface fiber band being wrapped in described adhesive layer with described first canoe forms fiber belt 2, to improve the adhesive property between epoxy resin layer 3 and fiber belt 2, wherein, the thickness of described adhesive layer is any one value in 50-300 μm, can be such as 50 μm, 100 μm, 180 μm etc.
Actual should in process, because PE plastic layer 1 has good anticorrosion, corrosion resisting property, and be arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is had good anticorrosion, corrosion resisting property, and fiber belt 2 has high-tensile and anti-deformation, and fiber belt 2 arranges the mesosphere in described Pressure fiberglass Line, and then make described Pressure fiberglass Line have better compression resistance, and bondd by epoxy resin layer 3 and the steel lining tube layer 4 of innermost layer in described Pressure fiberglass Line, epoxy resin layer 3 and steel lining tube layer 4 is made to have better adhesion strength, and then make the load performance of described Pressure fiberglass Line better, have good have better anticorrosion, corrosion resisting property.
In addition, experimentally result shows, when the caliber of Pressure fiberglass Line described in the embodiment of the present application is any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is N, described N is not less than 15MPa, and rolled steel dosage obviously reduces, and tubing corrosion resistance is good with self crack arrest ability, existing X80 and following steel pipe pipeline steel tube can be replaced, for fields such as long oil and gas pipeline, aqueduct, ore slurry pipeline and oil gas field gathering lines.
Beneficial effect of the present invention is as follows:
In the embodiment of the present invention, technical scheme is that Pressure fiberglass Line comprises steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, make epoxy resin, fiber band and PE plastics carry out being compounded to form high-strength compound tubing, then the steel of described high-strength compound tubing and described steel lining tube layer are carried out combining and obtain described Pressure fiberglass Line, relative with steel, by epoxy resin, the high-strength compound tubing of fiber band and PE plastics composition has better hoop bearing capacity and axial tensility, and the value of the caliber of described Pressure fiberglass Line is when being any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is not less than 15MPa, make the load performance of described Pressure fiberglass Line better, rolled steel dosage can be significantly reduced, in addition, described PE plastic layer has good anticorrosion, corrosion resisting property, and be arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is had good anticorrosion, corrosion resisting property.
Based on the technical conceive identical with above-mentioned Pressure fiberglass Line, the application another embodiment still provides a kind of preparation method of Pressure fiberglass Line, comprise the following steps:
Step a: sprayed to by epoxy powder on the outer surface of the steel liner tube, forms epoxy resin layer;
Step b: be wrapped in the first canoe on the outer surface of described epoxy resin layer by fiber band, forms fiber belt;
Step c: be wrapped in the second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
Wherein, in step a, epoxy powder is sprayed on the outer surface of described steel lining tube layer, coating thickness is any one value in 50-300 μm, make the thickness of the described epoxy resin layer formed identical with described coating thickness, because epoxy resin has good physics, chemical property, it has excellent bonding strength to the surface of metal and nonmetallic material, fire retardant are good, set shrinkage is little, product size good stability, hardness is high, pliability is better, to the feature such as alkali and most of solvent-stable, make described epoxy resin layer and described steel lining tube layer adhesive property better.
In another embodiment, before execution step a, also comprise step f, processing of rust removing is carried out to the outer surface of described the steel liner tube.
In specific implementation process, can adopt shot peening, the outer surface of the modes such as chemical rust removal to described the steel liner tube eliminates rust, to make the adhesive property of described epoxy resin layer and described the steel liner tube better.
Following execution step b, is wrapped in fiber band with the first canoe on the outer surface of described epoxy resin layer, forms fiber belt.
In specific implementation process, described first canoe be wound in parallel, vertical wrap and angular cross be wound around in one or more, specifically, by Fiber Winding on the outer surface of described epoxy resin layer in process, fiber band can adopt wound in parallel, vertical wrap, also can be wound around by angular cross canoe, and the thickness of described fiber belt can design according to different requirements, and then the different performance of tubing can be realized, meet the requirement of different demand.
Because fiber band is made to adopt the fibers such as tool glass fibre, carbon fiber and aramid fibre, thus fiber band is made to have high-tensile and anti-deformation, Anti-cracking, never degenerate, outstanding self adhesive, insulating heat-conductive, the performance such as high temperature resistant, so, makes described fiber band 2 also have high-tensile and deformation resistance, Anti-cracking, never degenerate, outstanding self adhesive, insulating heat-conductive, the performance such as high temperature resistant, makes described Pressure fiberglass Line also have the performance of high-tensile and deformation resistance.
PE plastics are wrapped in the second canoe on the outer surface of described fiber belt by following execution step c, form PE plastic layer.
In specific implementation process, described second canoe be wound in parallel, vertical wrap and angular cross be wound around in one or more, certainly in order to realize better winding effect, described second canoe can for extruding canoe, described PE plastic layer extrudes canoe by the outer surface of fiber belt described in PE plastic winding described in adopting, water-spraying control is carried out after extruding, wherein, described PE plastic layer extrude thickness any one value in 1-5mm, can be such as 1mm, 2mm, 4mm and 5mm etc.
In another embodiment, the preparation method of described Pressure fiberglass Line comprises the following steps:
Step a: sprayed to by epoxy powder on the outer surface of the steel liner tube, forms epoxy resin layer;
Steps d: whitewashed by Bond on the outer surface of described epoxy resin layer, forms adhesive layer;
Step e: be wrapped on the outer surface of described adhesive layer with described first canoe by fiber band, forms described fiber belt;
Step c: be wrapped in the second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
Wherein, in step a, sprayed to by epoxy powder on the outer surface of described steel lining tube layer, coating thickness is any one value in 50-300 μm, makes the thickness of the described epoxy resin layer formed identical with described coating thickness.
In another embodiment, before execution step a, also comprise step f, processing of rust removing is carried out to the outer surface of described the steel liner tube.
After execution of step a, perform steps d, Bond is whitewashed on the outer surface of described epoxy resin layer, form adhesive layer.
In specific implementation process, Bond is whitewashed on the outer surface of described epoxy resin layer, whitewashing thickness is any one value in 50-300 μm, make the thickness of the described adhesive layer formed for described in whitewash thickness, can be such as 50 μm, 100 μm, 180 μm and 300 μm etc.
Following execution step e, is wrapped in fiber band on the outer surface of described adhesive layer with described first canoe, forms described fiber belt.
In specific implementation process, described first canoe be wound in parallel, vertical wrap and angular cross be wound around in one or more, specifically, by Fiber Winding on the outer surface of described adhesive layer in process, fiber band can adopt wound in parallel, vertical wrap, also can be wound around by angular cross canoe, and the thickness of described fiber belt can design according to different requirements, and then the different performance of tubing can be realized, meet the requirement of different demand.
Because described adhesive layer is arranged between described fiber belt and described epoxy resin layer, make the adhesive property of described fiber belt and described epoxy resin layer stronger.
PE plastics are wrapped in described second canoe on the outer surface of described fiber belt by following execution step c, form PE plastic layer.
In specific implementation process, described second canoe be wound in parallel, vertical wrap and angular cross be wound around in one or more, certainly in order to realize better winding effect, described second canoe can for extruding canoe, described PE plastic layer extrudes canoe by the outer surface of fiber belt described in PE plastic winding described in adopting, water-spraying control is carried out after extruding, wherein, described PE plastic layer extrude thickness any one value in 1-5mm, can be such as 1mm, 2mm, 4mm and 5mm etc.
In addition, experimentally result shows, when the caliber of Pressure fiberglass Line described in the embodiment of the present application is any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is N, described N is not less than 15MPa, and rolled steel dosage obviously reduces, and tubing corrosion resistance is good with self crack arrest ability, existing X80 and following steel pipe pipeline steel tube can be replaced, for fields such as long oil and gas pipeline, aqueduct, ore slurry pipeline and oil gas field gathering lines.
Beneficial effect of the present invention is as follows:
In the embodiment of the present invention, technical scheme is that Pressure fiberglass Line comprises steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, make epoxy resin, fiber band and PE plastics carry out being compounded to form high-strength compound tubing, then the steel of described high-strength compound tubing and described steel lining tube layer are carried out combining and obtain described Pressure fiberglass Line, relative with steel, by epoxy resin, the high-strength compound tubing of fiber band and PE plastics composition has better hoop bearing capacity and axial tensility, and the value of the caliber of described Pressure fiberglass Line is when being any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is not less than 15MPa, make the load performance of described Pressure fiberglass Line better, rolled steel dosage can be significantly reduced, in addition, described PE plastic layer has good anticorrosion, corrosion resisting property, and be arranged on the outermost surface of described Pressure fiberglass Line, described Pressure fiberglass Line is had good anticorrosion, corrosion resisting property.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a Pressure fiberglass Line, it is characterized in that, comprise steel lining tube layer, epoxy resin layer, fiber belt and PE plastic layer, wherein, described epoxy resin layer is arranged on the outer surface of described steel lining tube layer, described fiber belt is arranged on the outer surface of described epoxy resin layer, described PE plastic layer is arranged on the outer surface of described fiber belt, wherein, when the value of the caliber of described Pressure fiberglass Line is any one value in 508mm ~ 1422mm, the pressure-bearing pressure of described Pressure fiberglass Line is N, and described N is not less than 15MPa.
2. Pressure fiberglass Line as claimed in claim 1, is characterized in that, described epoxy resin layer be epoxy powder is sprayed to described steel lining tube layer outer surface on and formed.
3. Pressure fiberglass Line as claimed in claim 2, it is characterized in that, the thickness of described epoxy resin layer is any one value in 50-300 μm.
4. Pressure fiberglass Line as claimed in claim 3, is characterized in that, also comprise:
Adhesive layer, is arranged between described epoxy resin layer and described fiber belt.
5. Pressure fiberglass Line as claimed in claim 4, is characterized in that, described fiber belt be fiber band is wrapped in described adhesive layer with the first canoe outer surface on and formed.
6. Pressure fiberglass Line as claimed in claim 5, is characterized in that, described first canoe is one or more during wound in parallel, vertical wrap and angular cross are wound around.
7. Pressure fiberglass Line as claimed in claim 6, is characterized in that, described PE plastic layer with by PE plastics so that the outer surface extruded canoe and be wrapped in described fiber belt to be formed.
8. a preparation method for Pressure fiberglass Line, is characterized in that, comprises the following steps:
Step a: sprayed to by epoxy powder on the outer surface of the steel liner tube, forms epoxy resin layer;
Step b: be wrapped in the first canoe on the outer surface of described epoxy resin layer by fiber band, forms fiber belt;
Step c: be wrapped in the second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
9. preparation method as claimed in claim 8, is characterized in that, before step a, carry out processing of rust removing to the outer surface of described the steel liner tube.
10. the preparation method as described in any one of claim 8 ~ 9, is characterized in that, after execution step a, described method also comprises:
Steps d: whitewashed by Bond on the outer surface of described epoxy resin layer, forms adhesive layer;
Step e: be wrapped on the outer surface of described adhesive layer with described first canoe by fiber band, forms described fiber belt;
Step c: be wrapped in described second canoe on the outer surface of described fiber belt by PE plastics, forms PE plastic layer.
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| CN201410429742.6A CN104315260A (en) | 2014-08-28 | 2014-08-28 | Fiber line pipe and preparation method thereof |
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| CN201410429742.6A CN104315260A (en) | 2014-08-28 | 2014-08-28 | Fiber line pipe and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105781438A (en) * | 2015-12-28 | 2016-07-20 | 赵昱 | Non-metal casing pipe used for coalbed methane exploitation and application thereof |
| CN105909884A (en) * | 2016-06-20 | 2016-08-31 | 四川正升环保科技有限公司 | Pipe externally-wrapped geomembrane pipe boot and construction method thereof |
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