CN203500692U - Flexible composite high pressure delivery pipe - Google Patents
Flexible composite high pressure delivery pipe Download PDFInfo
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- CN203500692U CN203500692U CN201320251840.6U CN201320251840U CN203500692U CN 203500692 U CN203500692 U CN 203500692U CN 201320251840 U CN201320251840 U CN 201320251840U CN 203500692 U CN203500692 U CN 203500692U
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- high pressure
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Abstract
The utility model discloses a flexible composite high pressure delivery pipe, which comprises a medium transmission layer, an enhancement layer and a protective layer, wherein at least one enhancement layer is arranged and positioned between the medium transmission layer and the protective layer; the medium transmission layer and the enhancement layer are glued into a whole through heating and pressurization; the enhancement layer and the protective layer are glued into a whole through heating and pressurization; the enhancement layer is a fiber enhancement layer, a metal enhancement layer or a combination of the fiber enhancement layer and the metal enhancement layer; the fiber enhancement layer and the metal enhancement layer are coated with a hot melt adhesive through a rubber mould to form a strip structure; an angle of 500-600 degrees is formed between the fiber enhancement layer and the metal enhancement layer form and the axial lead of the pipe; the fiber enhancement layer and the metal enhancement layer have a structure that a fiber band and a metal band are bidirectionally intersected and wound, and consist of a left spiral winding layer and a right spiral winding layer. The flexible composite high pressure delivery pipe has the advantages of reasonable structural design, high loading capacity, low-temperature impact resistance, small friction factor, high flexibility and environment friendliness and has long service life.
Description
Technical field
The utility model relates to a kind of flexible pipe, relate to specifically a kind of flexible composite high pressure pipeline, the pipeline installation using under the specific (special) requirements such as be mainly used in wear-resisting, corrosion-resistant, shock resistance, frictional resistance yarn number is little, bearing capacity is high, is particularly useful for the delivery pipe of the conveyance conduit of Oil-Gas Gathering Transferring Pipeline, rock gas and the extra large pipe of diving.
Background technique
Existingly for delivery of the pipeline of sewage and Korrosionsmedium (as rock gas that contains hydrogen sulfide etc.), adopt steel pipe, steel-plastic composite pipe and superhigh molecular polyethylene compound pipe, wherein the defect of steel pipe is that weight is large, perishable, working life is short; Steel-plastic composite pipe is complex as master with PE and steel, and major defect is that bearing capacity is poor, and its Applicable scope is still confined to buried low pressure water pipe; Although superhigh molecular polyethylene compound pipe increases at aspects such as impact strength, tensile strength, bearing capacity, wear resistance, resistances to chemical attack; but still existence is transported, construction cost is high; particularly in a varied topography, awful weather and the extra large environment lower berth of diving if use; exist laying difficulty large; pipe joint is many, and both consumptive material, power consumptions can cause again existing the many places of pipeline to leak hidden danger; cause pipeline service property (quality) poor, maintenance cost is high, the life-span is short.
Summary of the invention
In order to overcome the above-mentioned technological deficiency of prior art, the utility model provides a kind of " flexible composite high pressure pipeline ", this delivery pipe quality is light, flexible, intensity is large, corrosion-resistant, creep resistant, can keep in repair, after scrapping, can also, by wherein each kind of material separating treatment, carry out resource recycling, both environmental protection, significantly reduces and produces and use construction cost again.
To achieve these goals; the utility model is achieved through the following technical solutions: the main technological scheme of the utility model is; a kind of flexible composite high pressure pipeline; comprise medium transmission layer; enhancement layer, protective layer; described enhancement layer at least arranges one deck, be placed between medium transmission layer and protective layer, between medium transmission layer and enhancement layer, between enhancement layer and protective layer by heating bonding being integral of pressurizeing.
Further technological scheme is that described enhancement layer is set to the combination of fiber-reinforced layer or metal enhancement layer or fiber-reinforced layer and metal enhancement layer.
Further technological scheme is that described fiber-reinforced layer and metal enhancement layer are the banded structure through coating hot-melt adhesive moulding by rubber moulding.
Further technological scheme is that described fiber-reinforced layer becomes 50 with metal enhancement layer with tubing shaft axis
0-60
0angle, is the bidirectional crossed winding structure of fiber band and metal tape, left hand screw winding layer and right-hand screw winding layer, consists of.
Further technological scheme is, its material used of described fiber-reinforced layer is the fiberglass braided band through coating hot-melt adhesive, and its braid thickness is 0.3-0.6mm, and rubberised layer thickness is 0.2-0.4 mm.Fiber-reinforced layer mainly improves tubing temperature resistant capability, particularly low-temperature impact-resistant ability.
Further technological scheme is, its material used of described metal enhancement layer is the wire rope reinforcing band through coating hot-melt adhesive, and its wirerope diameter is 0.7-2.7 mm.
Further technological scheme is; its material used of described medium transmission layer is that molecular weight is ultra-high molecular weight polyethylene or the heat-proof polythene of 2,000,000-300Wan unit, and its material used of described protective layer is a kind of in PE80 polyethylene, PE100 polyethylene, modified polyethylene material.
The utility model is compared tool with existing compound tubing structure and is had the following advantages:
Due to the selection on the utility model structure and material, make the utility model possess quality light, flexible, intensity is large, corrosion-resistant, creep resistant, can keep in repair, can also be by wherein each kind of material separating treatment after scrapping, carry out the advantages such as resource recycling, can be widely used in the high pressure transportation art such as the conveyance conduit of Oil-Gas Gathering Transferring Pipeline, rock gas and latent Hai Guan.
1. the utility model, because of flexible, realized and is coiled the supply of material, pipeline continuous laying, and few, the motionless weldering of joint, had both been convenient to deposit and transport, and effectively reduced again construction cost.
2. because its material used of described medium transmission layer is that molecular weight is ultra-high molecular weight polyethylene or the heat-proof polythene of 2,000,000-300Wan unit, its material used of described protective layer is a kind of in PE80 polyethylene, PE100 polyethylene, modified polyethylene material.This tubing wear-corrosion resistance is strong, its inner wall smooth, non-scaling, and the frictional resistance yarn number that flows is little, significantly improves fed sheet of a media velocity of liquid assets, reaches the object of saving the energy.
3. because of between medium transmission layer and protective layer, at least one deck enhancement layer is set, described enhancement layer is set to the combination of fiber-reinforced layer or metal enhancement layer or fiber-reinforced layer and metal enhancement layer.Can be according to different working condition requirements, flexible design selection material kind, the number of plies, wirerope diameter and braid thickness, can design the flexible pipe of producing all size model that its nominal pressure is 3-32MPa.
4. because described fiber-reinforced layer and metal enhancement layer are the banded structure through coating hot-melt adhesive moulding by rubber moulding, and become 50 with tubing shaft axis
0-60
0angle, is fiber woven belt and the bidirectional crossed winding structure of wire rope reinforcing band, effectively improves impact strength, resistance to low temperature, tensile strength, anti-environment stress cracking, the anti-fatigue performance of tubing.
5. because of this flexible pipe, can repeatedly recycle, both reduce costs, again environmental protection.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the cross section structure schematic diagram of Fig. 1.
Fig. 3 is the local structure for amplifying schematic diagram of the A part of Fig. 1.
In figure: 1. medium transmission layer, 2. fiber-reinforced layer, 3. metal enhancement layer, 4 protective layers.
Embodiment
Below by non-limiting example, further set forth the utility model, understand the utility model.
According to different working condition requirements, flexible design selection material kind, the number of plies, wirerope diameter and braid thickness, can design the flexible pipe of producing all size model that its nominal pressure is 3-32MPa.
Embodiment
The utility model as shown in Figure 1, Figure 2, Figure 3 shows; this structure comprises medium transmission layer; enhancement layer, protective layer; described enhancement layer arranges two-layer; be placed between medium transmission layer and protective layer, between medium transmission layer and enhancement layer, between enhancement layer and protective layer by heating bonding being integral of pressurizeing.
Described enhancement layer one deck is fiber-reinforced layer, and another layer is metal enhancement layer.
Described fiber-reinforced layer and metal enhancement layer are the banded structure through coating hot-melt adhesive moulding by rubber moulding.
Described fiber-reinforced layer and metal enhancement layer and tubing shaft axis approximately 54
0angle, fiber woven belt and the bidirectional crossed winding structure of wire rope reinforcing band, be comprised of left hand screw winding layer and right-hand screw winding layer.
Its material used of described fiber-reinforced layer is the fiberglass braided band through coating hot-melt adhesive, and its braid thickness is 0.4mm, and rubberised layer thickness is 0.2mm.
Its material used of described metal enhancement layer is the wire rope reinforcing band through coating hot-melt adhesive, and its wirerope diameter is 1.0 mm.
Its material used of described medium transmission layer is that molecular weight is the ultra-high molecular weight polyethylene of 250Wan unit, and its material used of described protective layer adopts modification high-density polyethylene.
For example to manufacture and design the tubing that nominal pressure is 4-8MPa: 145 millimeters of calibers, fiber-reinforced layer is one deck, and material used is the fiberglass braided band through coating hot-melt adhesive, and its braid thickness is 0.4mm, and rubberised layer thickness is 0.2mm; Metal enhancement layer is one deck, and material used is the wire rope reinforcing band through coating hot-melt adhesive, and its wirerope diameter is 1.0 mm; Protection bed thickness 2 mm.
Zhang Gong: please add concrete manufacturing step
1. first system band comprises fiber band and rope belt, is to make by glued membrane coating hot-melt adhesive.With tep reel, wind.
2. on Stetch Wrapping Machine, load onto tep reel.
3 # extruder with 70 core pipe winding machine 1 → 54 ° left rotation wound fiber-reinforced layer is the first layer of fiberglass → After the oven to make a plastic layer on the surface of the glass layer integration with the core tube after the winding unit 2 sticks → 54 ° clockwise wound fiber-reinforced layer is the second layer of glass fiber and then passed through an oven → in that the plastic layer over the surface of the fused glass layer and the first layer of glass fiber winding machine 3 relative viscosity → L 54 ° turn wound metal wire reinforcement layer with a first layer of a plastic → passed through an oven to make the fusion of the wire layer and the second layer with the surface of the glass stick phase winding machine 4 → 54 ° right-handed rotation of the winding layer of the metal reinforcement of the two-story steel belt → too high frequency to make a plastic layer blend in with the surface with a steel wire with a second layer of sticky → with topical after the # 70 machine on the second floor with steel outer protective layer → Apply molding
(tubing is manufactured by special device, and first system band (fiber band and rope belt) → production has the core pipe → winding composite strengthening layer → external application protective layer → last cooling forming of medium transmission layer)
The flexible pipe of producing according to the utility model project organization, detects through inspection center of our company physicochemical property, testing result, and its performance index are as follows:
The project indicator
1. pressurized cracking stability surface flawless
Longitudinally relaxation shrinkage (110 ℃, keep 1h), % < 3
3. ovality≤5%
4. short-term static water pressure strength crack-free, ne-leakage
4.1 20 ℃ of temperature, time 1h, test pressure:
Nominal pressure * 1.5
4.2 65 ℃ of temperature, time 165h, test pressure:
Nominal pressure * 1.5 * 0.58
5. instant blasting intensity >=nominal pressure * 3
Chemical-resistance without chapping, become sticky, different shape
7. radial compressive property inner and outer surface is without be full of cracks.
In sum, the utlity model has reasonable in design, wear-corrosion resistance is strong, bearing capacity is high, low-temperature impact resistance, frictional resistance yarn number are little, lightweight, flexible, environmental protection, energy-saving and cost-reducing advantage, a kind of various fields complex-terrain and environmental conditions of being applicable to, be applicable under specific (special) requirements the flexible composite high pressure pipeline of long service life.
Claims (5)
1. a flexible composite high pressure pipeline, comprise medium transmission layer (1), enhancement layer, protective layer (4), described enhancement layer at least arranges one deck, be placed between medium transmission layer (1) and protective layer (4), between medium transmission layer (1) and enhancement layer, between enhancement layer and protective layer (4) by heating bonding being integral of pressurizeing, it is characterized in that, described enhancement layer is set to the combination of fiber-reinforced layer (2) or metal enhancement layer (3) or fiber-reinforced layer (2) and metal enhancement layer (3), described fiber-reinforced layer (2) and metal enhancement layer (3) are the banded structure through coating hot-melt adhesive moulding by rubber moulding.
2. a kind of flexible composite high pressure pipeline according to claim 1, is characterized in that, described fiber-reinforced layer (2) becomes 50 with metal enhancement layer (3) with tubing shaft axis
0-60
0angle, is the bidirectional crossed winding structure of fiber band and metal tape, left hand screw winding layer and right-hand screw winding layer, consists of.
3. a kind of flexible composite high pressure pipeline according to claim 2, it is characterized in that, its material used of described fiber-reinforced layer (2) is the fiberglass braided band through coating hot-melt adhesive, and its braid thickness is 0.3-0.6mm, and rubberised layer thickness is 0.2-0.4 mm.
4. a kind of flexible composite high pressure pipeline according to claim 2, is characterized in that, its material used of described metal enhancement layer (3) is the wire rope reinforcing band through coating hot-melt adhesive, and its wirerope diameter is 0.7-2.7 mm.
5. a kind of flexible composite high pressure pipeline according to claim 1; it is characterized in that; its material used of described medium transmission layer (1) is that molecular weight is ultra-high molecular weight polyethylene or the heat-proof polythene of 200-300 ten thousand units, and its material used of described protective layer (4) is a kind of in PE80 polyethylene, PE100 polyethylene, modified polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320251840.6U CN203500692U (en) | 2013-05-10 | 2013-05-10 | Flexible composite high pressure delivery pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320251840.6U CN203500692U (en) | 2013-05-10 | 2013-05-10 | Flexible composite high pressure delivery pipe |
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| Publication Number | Publication Date |
|---|---|
| CN203500692U true CN203500692U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320251840.6U Expired - Fee Related CN203500692U (en) | 2013-05-10 | 2013-05-10 | Flexible composite high pressure delivery pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111199A (en) * | 2014-07-31 | 2014-10-22 | 浙江伟星新型建材股份有限公司 | Method and device for testing heat-resistant property of hot-melt adhesive |
-
2013
- 2013-05-10 CN CN201320251840.6U patent/CN203500692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111199A (en) * | 2014-07-31 | 2014-10-22 | 浙江伟星新型建材股份有限公司 | Method and device for testing heat-resistant property of hot-melt adhesive |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |