CN220775277U - Coiled plastic line pipe for laying desert surface - Google Patents
Coiled plastic line pipe for laying desert surface Download PDFInfo
- Publication number
- CN220775277U CN220775277U CN202322482880.8U CN202322482880U CN220775277U CN 220775277 U CN220775277 U CN 220775277U CN 202322482880 U CN202322482880 U CN 202322482880U CN 220775277 U CN220775277 U CN 220775277U
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- Prior art keywords
- layer
- desert
- coiled plastic
- desert surface
- surface laying
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- 229920003023 plastic Polymers 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 147
- 239000011241 protective layer Substances 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920006267 polyester film Polymers 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000002356 single layer Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000002346 layers by function Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 13
- 239000012790 adhesive layer Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a coiled plastic wire tube for laying the desert surface, which sequentially comprises a medium transmission layer, a reinforcing protection layer, an inner isolation layer, a metal ripple increasing layer, an anti-corrosion layer, an outer isolation layer and an outer protection layer from inside to outside, wherein the metal ripple increasing layer is slidably arranged outside the inner isolation layer, and the outer protection layer is slidably arranged outside the outer isolation layer. The coiled plastic wire tube for desert surface laying has the advantages of high ring rigidity, good rigidity, coiling, temperature resistance, corrosion resistance, external pressure resistance, bending resistance, torsion resistance, stretching resistance, compression resistance and the like, and is particularly suitable for desert surface laying, long in service life and good in reliability.
Description
Technical Field
The utility model relates to a wire pipe, in particular to a coiled plastic wire pipe for laying the desert surface.
Background
The ground surface laying pipeline is usually prevented from moving by adopting a buttress fixing mode, the number of the buttresses is too small, the displacement of the pipeline is large, the concentrated load of the pipeline at the buttresses is large, the pipe is easy to damage, and the cost of excessively dense installation of the buttresses is increased. For desert areas, the support piers cannot be used for fixation. The pipeline exposes the earth surface, the day-night temperature difference is large, the wind blows and insolates, and the expansion and the contraction of the pipeline are serious; along with the movement of the sand dunes, part of pipelines are in a suspended state, the pipelines are subjected to dynamic loads such as bending, torsion, stretching, compression and the like for a long time, and the pipelines are damaged due to excessive stretching, bending, twisting and the like, so that the service life of the pipelines is seriously influenced.
Disclosure of Invention
In view of the above, it is necessary to provide a coiled plastic conduit for laying the desert surface.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a but desert earth's surface lays uses coiling formula plastic spool, its characterized in that, desert earth's surface lays with coiling formula plastic spool from interior to exterior contain a medium transmission layer, a enhancement layer, a reinforcing protection layer, an interior isolation layer, a ripple increases layer, an anticorrosive coating, an outer isolation layer and an outer inoxidizing coating in proper order, the ripple increase layer slidable set up in the outside of interior isolation layer, outer inoxidizing coating slidable set up in the outside of outer isolation layer.
As a preferred embodiment of the utility model, the reinforcing layer is an even number of steel wire belts or steel belts or fiber belts, the reinforcing layer is wound on the outer wall of the medium transmission layer at an angle of 45-80 degrees, and the fiber belts are at least one of polyester filaments, aramid fibers, ultra-high molecular weight polyethylene filaments, glass fibers and carbon fibers.
In a preferred embodiment of the present utility model, the reinforcing protective layer is polyethylene.
As a preferred embodiment of the utility model, the inner isolation layer and the outer isolation layer are made of polyester films.
As a preferred embodiment of the utility model, the anticorrosive layer is made of epoxy anticorrosive material, and the anticorrosive layer is sprayed on the outer part of the metal ripple increasing layer.
As a preferred embodiment of the utility model, the outer protective layer is made of wear-resistant resin.
As a preferred embodiment of the present utility model, the outer protective layer comprises a high-density polyethylene layer and a wear-resistant resin layer.
As a preferred embodiment of the present utility model, the dielectric transport layer has a single layer structure.
As a preferred embodiment of the utility model, the medium transmission layer is of a multilayer coextrusion structure, and the medium transmission layer sequentially comprises a functional layer, an inner bonding layer, an intermediate layer, an outer bonding layer and a coextrusion outer layer from inside to outside.
As a preferred embodiment of the utility model, the middle layer is a gas barrier layer, the co-extrusion outer layer is a polyethylene layer, and the inner bonding layer and the outer bonding layer are bonding resins.
Compared with the prior art, the utility model has the following beneficial effects:
the coiled plastic wire tube for laying the desert surface has the advantages of high ring rigidity, good rigidity, coiling, temperature resistance, corrosion resistance, external pressure resistance, bending resistance, torsion resistance, stretching resistance, compression resistance and the like, and is particularly suitable for laying the desert surface, and has long service life and good reliability.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a coiled plastic conduit for desert surface laying according to the present utility model;
FIG. 2 is an enlarged schematic view of section I of the coilable plastic conduit for desert surface laying of FIG. 1;
FIG. 3 is a schematic view of the dielectric transport layer of the plastic conduit of FIG. 1;
FIG. 4 is an enlarged schematic view of section II of FIG. 3;
FIG. 5 is a schematic view of a partial structure of the metal corrugated enhancement layer of FIG. 1;
the labels in the figures are illustrated below: 1. a medium transport layer; 101. a functional layer; 102. an inner adhesive layer; 103. an intermediate layer; 104. an outer adhesive layer; 105. co-extruding the outer layer; 2. a reinforcing layer; 3. reinforcing the protective layer; 4. an inner isolation layer; 5. a metal corrugated increasing layer; 6. an anti-corrosion layer; 7. an outer isolation layer; 8. and an outer protective layer.
Description of the embodiments
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1 to 5, the coiled plastic conduit for desert surface laying sequentially comprises a medium transmission layer 1, a reinforcing layer 2, a reinforcing protection layer 3, an inner isolation layer 4, a metal corrugated increasing layer 5, an anti-corrosion layer 6, an outer isolation layer 7 and an outer protection layer 8 from inside to outside, wherein the metal corrugated increasing layer 5 is slidably arranged outside the inner isolation layer 4, and the outer protection layer 8 is slidably arranged outside the outer isolation layer 7.
The reinforcing layer 2 is a steel wire belt or a steel belt or a fiber belt with even number layers, the reinforcing layer 2 is wound on the outer wall of the medium transmission layer 1, the winding angle is 45-80 degrees, and the fiber belt is at least one of polyester filaments, aramid fibers, ultra-high molecular weight polyethylene filaments, glass fibers and carbon fibers.
The reinforcing protective layer 3 is polyethylene. The inner isolation layer 4 and the outer isolation layer 7 are made of polyester films.
The metal ripple increasing layer 5 is high-quality carbon structural steel or stainless steel, and is used for improving the ring rigidity of the pipe, increasing the axial stretching capacity, the external pressure resistance and the thermal expansion and contraction resistance of the pipe. The metal corrugated increasing layer 5 is formed by online rolling of a metal pipe, the outer contour is annular corrugated, as shown in fig. 5, the large circle radius R of the metal corrugated increasing layer 5 is larger than the small circle radius R, the large circle radius R is 5.0 mm-30.0 mm, the small circle radius R is 3.0 mm-15.0 mm, the pitch L is 10 mm-40 mm, and the metal corrugated increasing layer 5 is convenient for bending, coiling and transportation.
The anticorrosive layer 6 is made of epoxy anticorrosive material, and the anticorrosive layer 6 is sprayed on the outer part of the metal corrugated increasing layer 5. The outer protective layer 8 is a wear-resistant resin.
The outer protective layer 8 may have a double layer structure including a high-density polyethylene layer and a wear-resistant resin layer.
The medium transmission layer 1 has a single-layer structure, or a multilayer co-extrusion structure. When the medium transmission layer 1 is a multilayer co-extrusion structure, the medium transmission layer 1 sequentially comprises a functional layer 101, an inner adhesive layer 102, an intermediate layer 103, an outer adhesive layer 104 and a co-extrusion outer layer 105 from inside to outside.
The intermediate layer 103 is a gas barrier layer, the co-extruded outer layer 105 is a polyethylene layer, and the inner adhesive layer 102 and the outer adhesive layer 104 are adhesive resins.
The process for manufacturing the coiled plastic conduit for laying the desert surface will be described below.
The inner diameter of the composite pipe to be manufactured is 90mm, the design pressure is 20MPa, the medium transmission layer 1 is five-layer co-extrusion, the wall thickness of the co-extrusion layer is 9mm, the functional layer 101 is China Shanghai petrochemical high-density polyethylene PE5003D-B, the inner bonding layer 102 is bonding resin, the middle layer 103 is a barrier material, the outer bonding layer 104 is bonding resin, and the co-extrusion outer layer 105 is China Shanghai petrochemical high-density polyethylene PE5003D-B.
The reinforcing layer 2 is made of terylene industrial filaments, the linear density is 36300dtex, 8 layers of winding is directly performed outside the medium transmission layer 1 through winding equipment, the winding angle is 55 degrees, and the total number of winding fibers is 520.
The reinforced protective layer 3 is made of China Shanghai petrochemical high-density polyethylene PE5003D-B, and is externally coated outside the reinforced layer by extrusion, and the layer thickness is 2.5mm.
The isolating layer 4 is made of a polyester film, the thickness of the layer is 0.05mm, and a single layer is wound outside the reinforcing protective layer 3.
The material of the metal ripple reinforcing layer 5 is 20# high-quality carbon structural steel, a cold-rolled steel belt is rolled into a pipe, the thickness of the pipe is 2mm, the pipe is covered outside the reinforcing protective layer 3 through straight seam welding, and then the pipe is rolled into an annular ripple shape through a ripple die, wherein R is 12mm, R is 3mm, and L is 20mm.
The anti-corrosion layer 6 is epoxy asphalt paint, the outer surface of the metal ripple reinforcing layer 5 is sprayed by special equipment, and the metal ripple reinforcing layer is formed by heating and drying through a drying tunnel.
The isolating layer 7 is made of a polyester film, the thickness of the layer is 0.05mm, and a single layer is wound outside the anti-corrosion layer 6.
The outer protective layer 8 is extruded outside the outer isolation layer 7 and is covered with China Shanghai petrochemical high-density polyethylene PE5003D-B, and the layer thickness is 2.0mm.
The specific process route is as follows, comprising:
s1, installing a reinforcing material winding up or winding disc on winding equipment;
s2, installing a steel belt on steel belt unreeling equipment;
step S3, a single-layer or co-extrusion multi-layer medium transmission layer 1 is adopted through extrusion equipment;
step S4, determining whether to heat the outer surface of the medium transmission layer 1 according to the structural requirement of the product;
step S5, determining whether to heat the enhancement layer 2 according to the structural requirement of the product;
s6, starting winding equipment, winding reinforcing layer materials in left and right layers at a winding angle of 45-80 degrees,
step S7, extruding polyethylene material, and coating the polyethylene material outside the inner reinforcing layer 2 to form a reinforcing protective layer 3;
s8, winding a polyester film outside the reinforced protective layer 3 to form an inner isolation layer 4;
s9, unreeling the steel belt;
s10, rolling the steel belt into a pipe;
step S12, welding a cold-bent pipe, and coating the cold-bent pipe outside the inner isolation layer 4;
step S12, rolling the metal tube into a corrugated tube through special equipment;
step S13, for the stainless steel corrugated metal pipe, entering step S21;
step S14, spraying epoxy materials on the outer surface of the common metal corrugated pipe, and carrying out anti-corrosion treatment;
s15, heating and drying the outer surface of the metal corrugated pipe;
step S16, when no external protective layer is required for the working condition, entering a step S21;
step S17, winding a polyester film when an outer protective layer is required for working conditions, so as to obtain an outer isolation layer 7;
step S18, extruding high-density polyethylene material through extrusion equipment, and coating the high-density polyethylene material outside the polyester film to form an outer protective layer 8;
step S19, proceeding to step S21;
step S20, for special working conditions, with special wear-resistant requirements of the outer layer, extruding or co-extruding wear-resistant materials from the outer layer in step S17 to obtain an outer protective layer 8 with a double-layer structure;
and S21, coiling and rolling.
The coiled plastic wire tube for desert surface laying has the advantages of high ring rigidity, good rigidity, coiling, temperature resistance, corrosion resistance, external pressure resistance, bending resistance, torsion resistance, stretching resistance, compression resistance and the like, and is particularly suitable for desert surface laying, long in service life and good in reliability.
Without being limited thereto, any changes or substitutions that are not contemplated by the inventors are intended to be included within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a but desert earth's surface lays uses coiling formula plastic spool, its characterized in that, desert earth's surface lays uses coiling formula plastic spool from interior to exterior contain one medium transmission layer (1), a enhancement layer (2), a reinforcing protection layer (3), an interior isolation layer (4), a ripple increases layer (5), an anticorrosive coating (6), an outer isolation layer (7) and an outer inoxidizing coating (8) in proper order, the ripple increase layer (5) slidable set up in the outside of interior isolation layer (4), outer inoxidizing coating (8) slidable set up in the outside of outer isolation layer (7).
2. The coiled plastic line pipe for desert surface laying according to claim 1, wherein the reinforcing layer (2) is an even number of steel wire belts or steel belts or fiber belts, the reinforcing layer (2) is wound on the outer wall of the medium transmission layer (1) at an angle of 45-80 degrees, and the fiber belts are at least one of polyester filaments, aramid fibers, ultra-high molecular weight polyethylene filaments, glass fibers and carbon fibers.
3. The coiled plastic conduit for desert surface laying according to claim 1, wherein the reinforcing protective layer (3) is polyethylene.
4. The coiled plastic line pipe for desert surface laying according to claim 1, wherein the inner isolation layer (4) and the outer isolation layer (7) are made of polyester films.
5. The coiled plastic line pipe for desert surface laying according to claim 1, wherein the anti-corrosion layer (6) is made of epoxy anti-corrosion materials, and the anti-corrosion layer (6) is sprayed on the outer part of the metal ripple increasing layer (5).
6. The coiled plastic conduit for desert surface laying according to claim 1, wherein the outer protective layer (8) is a wear-resistant resin.
7. A coiled plastic conduit for desert surface laying according to claim 1, characterized in that the outer protective layer (8) comprises a high density polyethylene layer and a wear resistant resin layer.
8. The coiled plastic line pipe for desert surface laying according to claim 1, wherein the medium transmission layer (1) is of a single-layer structure.
9. The coiled plastic conduit for desert surface laying according to claim 1, wherein the medium transmission layer (1) is of a multilayer co-extrusion structure, and the medium transmission layer (1) sequentially comprises a functional layer (101), an inner bonding layer (102), an intermediate layer (103), an outer bonding layer (104) and a co-extrusion outer layer (105) from inside to outside.
10. The coiled plastic conduit for desert surface laying according to claim 9, wherein the middle layer (103) is a gas barrier layer, the co-extrusion outer layer (105) is a polyethylene layer, and the inner bonding layer (102) and the outer bonding layer (104) are bonding resins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322482880.8U CN220775277U (en) | 2023-09-13 | 2023-09-13 | Coiled plastic line pipe for laying desert surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322482880.8U CN220775277U (en) | 2023-09-13 | 2023-09-13 | Coiled plastic line pipe for laying desert surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220775277U true CN220775277U (en) | 2024-04-12 |
Family
ID=90618974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322482880.8U Active CN220775277U (en) | 2023-09-13 | 2023-09-13 | Coiled plastic line pipe for laying desert surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220775277U (en) |
-
2023
- 2023-09-13 CN CN202322482880.8U patent/CN220775277U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |