CN103062527A - Coiled plastic composite pipe reinforced with steel wire - Google Patents
Coiled plastic composite pipe reinforced with steel wire Download PDFInfo
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- CN103062527A CN103062527A CN2013100314589A CN201310031458A CN103062527A CN 103062527 A CN103062527 A CN 103062527A CN 2013100314589 A CN2013100314589 A CN 2013100314589A CN 201310031458 A CN201310031458 A CN 201310031458A CN 103062527 A CN103062527 A CN 103062527A
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Abstract
The invention belongs to the technical field of a plastic composite pipe, and discloses a coiled plastic composite pipe reinforced with a steel wire. The technical scheme includes that an inner tube layer and an outer tube layer are made of polymer materials, at least one steel wire reinforcing layer with tensile strength greater than 1700 Mpa and a diameter of 0.2-2.4mm is wound or braided between the outer wall of the inner tube layer and the inner wall of the outer tube layer, wherein the inner tube layer is constituted by an organosilane cross-linked polyethylene, the outer tube layer comprises 92-97 parts by weight of high density polyethylene and 5-8 parts by weight of carbon black master batch, and the inner tube layer, the fibrous layer and the protective layer are composited into one integral structure. The coiled plastic composite pipe reinforced with the steel wire has the advantages of small bending radius, high pressure resistance and high temperature resistance.
Description
Technical field
The invention belongs to the compound plastic pipe technical field, but relate in particular to a kind of coiling steel filament reinforced plastics composite pipe that is used in the fields such as oil, chemical industry, ocean.
Background technique
In recent years, fast development along with China's economy, every profession and trade rolls up the demand of the energy, especially the dependence to petroleum resources is stronger, but domestic large-scale oil field is in two now adopts, three adopt period, conveyance conduit is along with its working pressure of situation of oil-gas mining, temperature can be more and more higher, now use 80 ℃ of steel pipeline serviceability temperatures such as Xinjiang Oilfield, pressure 32MPa, existing oil and gas industry production is generally adopted steel pipe or Glass Steel Tube for delivery of the pipeline of medium, wherein the defective of steel pipe is that weight is large, perishable, working life is short, the defective of Glass Steel Tube is that bearing capacity is low, creep resistance is poor, maintenance difficulty is large, can't recycle after scrapping, be easy to cause environmental pollution.
For the problem of present existence, multiple plastic composite pipe has appearred in the conveyance conduit technical field, as: Chinese patent 200410007511.2 discloses a kind of flexible composite high pressure pipeline, its pressure-bearing≤32MPa, heatproof≤65 ℃; Chinese patent 200920048665.4 discloses a kind of temperature-resistant thermoplastic plastic composite pipeline, its pressure-bearing≤15MPa, heatproof≤70 ℃; Above composite pipe is not reaching on-the-spot special applications requirement aspect working pressure and the temperature.
Summary of the invention
But just providing, purpose of the present invention provides the coiling steel filament reinforced plastics composite pipe that the bending pipes radius is little, wear-resisting, decay resistance is strong after a kind of reasonable in design, bearing capacity and heat resistance height, the moulding.
To achieve these goals, the technical solution used in the present invention is:
But a kind of coiling steel filament reinforced plastics composite pipe, inner tube layer and the external tube layer made by macromolecule polymer material twine between the inwall of described inner tube layer outer wall and external tube layer or are woven with at least that one deck tensile strength is the steel wire reinforcing layer of 0.2-2.4mm greater than 1700Mpa, diameter; Wherein
Described inner tube layer is made of organosilane crosslinked polyethylene;
Described external tube layer comprises the high density polyethylene (HDPE) of 92-97 weight portions and the carbonarius masterbatch of 5-8 weight portions;
Described inner tube layer, layer of fibers and the external tube layer structure that is combined into one.
But the additional technical feature that consists of above-mentioned a kind of coiling steel filament reinforced plastics composite pipe comprises:
---inside and outside two-layer being provided with by terylene industrial fiber, aramid fibre or/and glass fiber winding or braid of described steel wire reinforcing layer;
---the angle that consists of terylene industrial fiber, aramid fibre, glass fibre and steel wire that described steel wire reinforcing layer twines or weave and tubing shaft axis is 54 ° 47 ' or 67.79 ';
---also contain the staple glass fibre of 5-10 weight portions in the described external tube layer;
---described staple glass fibre length is between 0.5-1.5 centimetres.
But coiling steel filament reinforced plastics composite pipe provided by the present invention is compared with prior art, have the following advantages: one, owing to adopt non-bonded structure between inner tube layer, steel wire reinforcing layer and external tube layer in the structure of this steel filament reinforced plastics composite pipe of formation, so that the bending radius of the tubing after the moulding is less, in storage, transportation, installation, convenient when laying; Its two be provided with winding or the braid that is consisted of by terylene industrial fiber, aramid fibre or glass fibre owing to consist of the inside and outside both sides of steel wire reinforcing layer, so that it is less to consist of the bending radius of tubing of tubing; Its three owing to do not use the chemical industry tackiness agent at the inner and outer pipes that consists of composite pipe layer by layer, the air ambient that has reduced the operation place pollutes, and is conducive to direct labor's health of human body; Its four owing to consist of fiber, steel wire and the tubing shaft axis that steel wire reinforcing layer twined or wove and become 54 ° 47 ' or 67.79 ' angle, be bidirectional crossed winding structure, can make 2-3 times of the hoop of composite pipe and axial strength and bearing capacity raising.
Description of drawings
But Fig. 1 is the radial structure schematic representation of the coiling steel filament reinforced plastics composite pipe of confession of the present invention;
Fig. 2 is the structural representation of above-mentioned composite pipe;
Fig. 3 is the axial section structural representation of the tube wall of above-mentioned composite pipe.
Embodiment
Below in conjunction with accompanying drawing but a kind of structure to coiling steel filament reinforced plastics composite pipe provided by the present invention is described in further detail.
As shown in Figure 1, but be the radial section structural representation of a kind of coiling steel filament reinforced plastics composite pipe provided by the present invention.The structure that consists of this reinforced plastic pipe comprises inner tube layer 1 and the external tube layer 2 of being made by macromolecule polymer material, and twining or be woven with tensile strength between the inwall of above-mentioned inner tube layer outer wall and external tube layer is steel wire reinforcing layer 3. above-mentioned inner tube layers 1, steel wire reinforcing layer 3 and the external tube layer 2 of the 0.2-2.4mm structure that is combined into one greater than 1700Mpa, diameter.
Shown in Fig. 2,3, but consist of in the structure of above-mentioned coiling steel filament reinforced plastics composite pipe,
---the winding or the braided steel wire layer 4 that consist of steel wire reinforcing layer 3 are two-layer (can twine as required or weave three layers, four layers or six layers) structure, and are provided with by terylene industrial fiber, aramid fibre or/and glass fiber winding or braid 5 in the inside and outside layer of steel wire reinforcing layer.
---the included angle A that consists of terylene industrial fiber, aramid fibre, glass fibre and steel wire that above-mentioned steel wire reinforcing layer twines or weave and tubing shaft axis is 54 ° 47 ' or 67.79 ', changed winding angle and be 54.73 ' tradition select.By changing winding angle, layer thickness can reduce about 15%, under this braiding or winding angle, has improved on the one hand the hoop tensile strength of tubing, make on the other hand hoop intensity and the axial tensile strength state that tends to balance, can effectively improve the bearing capacity of tubing.Change winding angle and be the major measure that changes fixed length coiled composite tube road hoop and the ratio of axial tensile strength.It is more favourable to the fixed length winding process to increase winding angle.Suitably increase winding angle, reduce the thickness of pipeline, still can not reduce the axial strength safety coefficient, like this can the decrease engineering cost.
But the embodiment that consists of above-mentioned coiling steel filament reinforced plastics multiple tube inner tube layer and external tube layer is:
The material that consists of the inner tube layer of composite pipe is: organosilane crosslinked polyethylene A material, B material
The constituent material of the external tube layer of composite pipe: comprise the high density polyethylene (HDPE) of 92-97 weight portions and the carbonarius masterbatch of 5-8 weight portions, can also add therein the staple glass fibre of 5-10 weight portions.
During preparation, at first, organosilane crosslinked polyethylene A material, the B material that mixes passed through the extruder head mould, through vacuum sizing and cooling and shaping, and after in 90 ℃ warm water, soaking 4～8 hours, form silanization crosslinked polyethylene inner tube layer 1;
And then twine on this inner tube layer or steel wire reinforcing layer that braiding is made of terylene industrial fiber, aramid fibre, glass fibre and steel wire;
The 3rd step, with the high density polyethylene (HDPE) 7600M that mixes and carbonarius masterbatch by the extruder head mould, through vacuum sizing and be coated on that the inner tube layer twines or the steel wire reinforcing layer of braiding on and cooling and shaping, form external tube layer.
Owing to consisted of by organosilane crosslinked polyethylene at the inner tube layer that consists of composite pipe, so that the heatproof of this composite pipe can reach more than 90 ℃, and contain staple glass fibre in the external tube layer, therefore not only improved the heat resistance of composite pipe, but also improved its axial and hoop tensile strength.
The length that consists of staple glass fibre contained in the external tube layer of above-mentioned composite pipe is controlled between 0.5-1.5 centimetres; Too short not the having of length improved axially and the effect of hoop tensile strength; Meeting is so that mix difficulty during greater than 2.0 centimetres for length, and the combination force of fiber and plastics descends, can cause equally tubular axle combined to the reduction of hoop tensile strength.
Because the bending radius of the composite pipe of this structure diminishes, therefore installing, can significantly reducing Contraction in Site band area when laying, reduce the difficulty that construction is laid.
Claims (5)
1. but coiling steel filament reinforced plastics composite pipe, it is characterized in that: inner tube layer and the external tube layer made by macromolecule polymer material, twine between the inwall of described inner tube layer outer wall and external tube layer or be woven with at least that one deck tensile strength is the steel wire reinforcing layer of 0.2-2.4mm greater than 1700Mpa, diameter; Wherein
Described inner tube layer is made of organosilane crosslinked polyethylene;
Described external tube layer comprises the high density polyethylene (HDPE) of 92-97 weight portions and the carbonarius masterbatch of 5-8 weight portions;
Described inner tube layer, layer of fibers and the external tube layer structure that is combined into one.
2. but a kind of coiling steel filament reinforced plastics composite pipe according to claim 1 is characterized in that: inside and outside two-layer being provided with by terylene industrial fiber, aramid fibre or/and glass fiber winding or braid of described steel wire reinforcing layer.
3. but a kind of coiling steel filament reinforced plastics composite pipe according to claim 1 and 2 is characterized in that: the angle that consists of terylene industrial fiber, aramid fibre, glass fibre and steel wire that described steel wire reinforcing layer twines or weave and tubing shaft axis is 54 ° 47 ' or 67.79 '.
4. but a kind of coiling steel filament reinforced plastics composite pipe according to claim 3 is characterized in that: the staple glass fibre that also contains 5-10 weight portions in the described external tube layer.
5. but a kind of coiling steel filament reinforced plastics composite pipe according to claim 5, it is characterized in that: described staple glass fibre length is between 0.5-1.5 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100314589A CN103062527A (en) | 2013-01-28 | 2013-01-28 | Coiled plastic composite pipe reinforced with steel wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100314589A CN103062527A (en) | 2013-01-28 | 2013-01-28 | Coiled plastic composite pipe reinforced with steel wire |
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| CN103062527A true CN103062527A (en) | 2013-04-24 |
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| CN2013100314589A Pending CN103062527A (en) | 2013-01-28 | 2013-01-28 | Coiled plastic composite pipe reinforced with steel wire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122617A (en) * | 2016-08-13 | 2016-11-16 | 河北宇通特种胶管有限公司 | One can coiling fiberglass reinforced multiple tube |
| CN112648449A (en) * | 2020-12-17 | 2021-04-13 | 宝鸡石油钢管有限责任公司连续油管分公司 | High-temperature-resistant flexible composite pipe and manufacturing method thereof |
| CN113217717A (en) * | 2021-04-19 | 2021-08-06 | 四川比耐斯管业有限公司 | Plastic-lined composite pipe |
Citations (8)
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|---|---|---|---|---|
| JPH06123385A (en) * | 1992-10-08 | 1994-05-06 | Furukawa Electric Co Ltd:The | Fluid transporting pipe |
| US6053213A (en) * | 1998-02-18 | 2000-04-25 | Coflexip | Flexible pipe for great depths |
| CN1344877A (en) * | 2001-10-26 | 2002-04-17 | 甘国工 | Composite silane-crosslinked polyethyelne pipe with foamed heat insualting layer and spirally wound sheel wire |
| CN1396399A (en) * | 2002-08-15 | 2003-02-12 | 甘国工 | Composite pipe made of non-cross-linking refractory polyethylene and cross-linking polyethylene |
| CN1648508A (en) * | 2005-02-03 | 2005-08-03 | 甘国工 | Steel-plastic composite pipe |
| CN1950634A (en) * | 2004-05-12 | 2007-04-18 | 贝卡尔特股份有限公司 | Flat high-tensile wire as hose reinforcement |
| CN101230938A (en) * | 2008-01-11 | 2008-07-30 | 刘阜东 | Ultrahigh molecular weight polyethylene dead-hard steel wire composite pipeline and manufacture method thereof |
| CN102242833A (en) * | 2010-05-11 | 2011-11-16 | 泰州申视塑料有限公司 | Novel structure for polyethylene reinforced compound pipe |
-
2013
- 2013-01-28 CN CN2013100314589A patent/CN103062527A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123385A (en) * | 1992-10-08 | 1994-05-06 | Furukawa Electric Co Ltd:The | Fluid transporting pipe |
| US6053213A (en) * | 1998-02-18 | 2000-04-25 | Coflexip | Flexible pipe for great depths |
| CN1344877A (en) * | 2001-10-26 | 2002-04-17 | 甘国工 | Composite silane-crosslinked polyethyelne pipe with foamed heat insualting layer and spirally wound sheel wire |
| CN1396399A (en) * | 2002-08-15 | 2003-02-12 | 甘国工 | Composite pipe made of non-cross-linking refractory polyethylene and cross-linking polyethylene |
| CN1950634A (en) * | 2004-05-12 | 2007-04-18 | 贝卡尔特股份有限公司 | Flat high-tensile wire as hose reinforcement |
| CN1648508A (en) * | 2005-02-03 | 2005-08-03 | 甘国工 | Steel-plastic composite pipe |
| CN101230938A (en) * | 2008-01-11 | 2008-07-30 | 刘阜东 | Ultrahigh molecular weight polyethylene dead-hard steel wire composite pipeline and manufacture method thereof |
| CN102242833A (en) * | 2010-05-11 | 2011-11-16 | 泰州申视塑料有限公司 | Novel structure for polyethylene reinforced compound pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122617A (en) * | 2016-08-13 | 2016-11-16 | 河北宇通特种胶管有限公司 | One can coiling fiberglass reinforced multiple tube |
| CN112648449A (en) * | 2020-12-17 | 2021-04-13 | 宝鸡石油钢管有限责任公司连续油管分公司 | High-temperature-resistant flexible composite pipe and manufacturing method thereof |
| CN113217717A (en) * | 2021-04-19 | 2021-08-06 | 四川比耐斯管业有限公司 | Plastic-lined composite pipe |
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Application publication date: 20130424 |