CN102242835A - Steel belt embedded type ultra-high molecular weight polyethylene compound pipe - Google Patents

Steel belt embedded type ultra-high molecular weight polyethylene compound pipe Download PDF

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Publication number
CN102242835A
CN102242835A CN2010101777743A CN201010177774A CN102242835A CN 102242835 A CN102242835 A CN 102242835A CN 2010101777743 A CN2010101777743 A CN 2010101777743A CN 201010177774 A CN201010177774 A CN 201010177774A CN 102242835 A CN102242835 A CN 102242835A
Authority
CN
China
Prior art keywords
molecular weight
pipe
steel
weight polyethylene
steel band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010101777743A
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Chinese (zh)
Inventor
刘海鹰
仲宝富
郭爱平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAIZHOU SHENSHI NEW MATERIAL TECHNOLOGY Co Ltd
Original Assignee
TAIZHOU SHENSHI NEW MATERIAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAIZHOU SHENSHI NEW MATERIAL TECHNOLOGY Co Ltd filed Critical TAIZHOU SHENSHI NEW MATERIAL TECHNOLOGY Co Ltd
Priority to CN2010101777743A priority Critical patent/CN102242835A/en
Publication of CN102242835A publication Critical patent/CN102242835A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a steel belt embedded type ultra-high molecular weight polyethylene compound pipe and belongs to the technical field of pipes. The steel belt embedded type ultra-high molecular weight polyethylene compound pipe is provided with a substrate pipe, wherein slots, the thickness and width of which are matched with the thickness and width of steel belts, are uniformly arranged on periphery of an outer wall of the substrate pipe; the steel belts are embedded into the slots; steel wires are spirally wrapped and wound on the steel belts along the direction vertical to the axial direction of the substrate pipe; a polyethylene pipe with a molecular weight above 250 ten thousand units, which is used for wrapping a strip spiral wound radial cross-linked polyethylene stretching rubber belt or wrapping a hot melting PE (polyethylene) plastic, is taken as the outer wall; the thickness of the steel belts is 0.5-3 millimeters; a distance between the slots is 10-20 millimeters; the steel belts are wrapped by the hot melting adhesives coated with high molecular weight polyethylene; the steel wires are spring steel wires with diameters of 0.8-2.5 millimeters; and the polyethylene with the molecular weight above 250 ten thousand units is taken as a raw material of the substrate pipe. The steel belt embedded type ultra-high molecular weight polyethylene compound pipe has the advantages of reasonable structure design, strong wear-resisting decay resistance, high loading capacity, wide application range and long service life.

Description

The embedded ultra-high molecular weight polyethylene composite pipe of steel band
Technical field
The present invention relates to a kind of polyvinyl piping materials, relate to the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band specifically, be mainly used in industries such as oil, chemical industry, mine, building.
Background technique
In the prior art, the composite pipe of making lining of steel wire has multiple structure, discloses the composite pipe that interlayer between a kind of pipe material inner wall and the outer wall has the layer of metal mesh grid as CN2202838Y; CN2142168Y discloses the composite pipe that scribbles adhesive layer at least between one deck winding steel wire layer and plastic core pipe and plastic outer layer; Its impact strength of above structural tube, tensile strength, wear resistance, anti-environmental cracking and anti-fatigue performance are all lower, and its bearing capacity can only reach 2.5MPa.Also having with polyethylene or silane crosslinked polyethylene is the composite pipe inwall, because composite pipe inwall intensity is not high, in addition due to the reasons such as canoe of steel wire, individual layer steel wire composite pipe easily produces the hoop cracking, the double-layer wire composite pipe vertically can not be crooked, joint area produces stress and concentrates, and cracking phenomena occurs in installing and using.As to adopt glass fibre reinforced plastics be outer wall, and the cracking resistance of this composite pipe outer wall, wear resistance extreme difference very easily ftracture or peel off, and the steel wire of exposure is corroded very soon, causes pipe leakage.
Its bearing capacity minimum requirements of the used tubing in current market reaches 4-5MPa, and existing tubing can not satisfy the demand in market far away.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing tubing project organization, a kind of " the embedded ultra-high molecular weight polyethylene composite pipe of steel band " is provided.This tubing has reasonable in design, cost performance height, wear-corrosion resistance is strong, bearing capacity is high advantage, is the embedded ultra-high molecular weight polyethylene composite pipe of steel band of a kind of applied range, long service life.
To achieve these goals, the present invention is achieved through the following technical solutions: the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band, be provided with basal body pipe, on basal body pipe outer wall circumferential surface, evenly be provided with the groove that is complementary with thickness of strips and width, groove is and runs through basal body pipe total length and basal body pipe axis parallel structure, steel band embeds in the groove, described steel wire is with perpendicular to the basal body pipe direction of axis line, be parcel ribbon spiral winding structure, put the polyethylene pipe that molecular weight surpasses 2,500,000 units at the steel wire outer wall, constitute outer wall.
Radiant crosslinked polyethylene stretch tape in that steel wire outer wall parcel strip spiral twines constitutes outer wall.
At steel wire outer wall parcel hot melt PE plastics, constitute outer wall.
Its thickness of described steel band is the 0.5-3 millimeter, and the spacing between groove and the groove is the 10-20 millimeter, and parcel is coated with the ultra-high molecular weight polyethylene hot melt adhesive on described steel band.
Described steel wire is a Spring Steel Wire, and steel wire diameter is the 0.8-2.5 millimeter, and grade of steel is 72A.
The used material of basal body pipe is the polyethylene that molecular weight surpasses 2,500,000 units.
The present invention compares with existing composite pipe has following advantage:
1. the present invention has reasonable in design, cost performance height, wear-corrosion resistance is strong, bearing capacity is high advantage, is the embedded ultra-high molecular weight polyethylene composite pipe of steel band of a kind of applied range, long service life.
2. because of the used material of inwall is the polyethylene that molecular weight surpasses 2,500,000 units, this tubing is not only fire-retardant, antistatic, and shock resistance, wear-corrosion resistance are strong, its inner wall smooth, non-scaling, and loss of head is than steel pipe low 30%;
3. because of at inwall, be provided with the reinforced structure layer of forming by steel band and steel wire between the outer wall, steel band embeds in the groove, parcel is coated with the ultra-high molecular weight polyethylene hot melt adhesive on steel belt layer again, and steel wire floor is with perpendicular to the tubing direction of axis line, be parcel steel belt layer spiral winding structure, in making, outer tube wall and metal shielding combine together, form overall structure, the interface, slit can not appear, therefore eliminate erosion of pipe internal pressure or Korrosionsmedium or damage, effectively improved tubing intensity, rigidity and pressure rating, maximum pressure can reach 16MPa, pipe workpiece quality and operational safety are improved greatly, and be decades its working life;
4. the invar band embeds in the groove, significantly reduces coating hot-melt adhesive, can reduce cost 20%.
Description of drawings
Fig. 1 is a sectional structure schematic representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to the sectional structure schematic representation
Among the figure: 1. basal body pipe, 2. steel band, 3. steel wire, 4. outer wall, 5. groove.
Embodiment
Below by non-limiting example, further set forth the present invention, understand the present invention.
Embodiment
The present invention as shown in Figure 1, the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band, be provided with basal body pipe, evenly be provided with the groove that is complementary with thickness of strips and width on basal body pipe outer wall circumferential surface, groove is and runs through basal body pipe total length and basal body pipe axis parallel structure, and steel band embeds in the groove, described steel wire is with perpendicular to the basal body pipe direction of axis line, be parcel ribbon spiral winding structure, put the polyethylene pipe that molecular weight surpasses 2,500,000 units, constitute outer wall at the steel wire outer wall.
Radiant crosslinked polyethylene stretch tape in that steel wire outer wall parcel strip spiral twines constitutes outer wall.
At steel wire outer wall parcel hot melt PE plastics, constitute outer wall.
Its thickness of described steel band is the 0.5-3 millimeter, and the spacing between groove and the groove is the 10-20 millimeter, and parcel is coated with the m-9411 polyethylene hot-melt adhesive on described steel band.
Described steel wire is a Spring Steel Wire, and steel wire diameter is the 0.8-2.5 millimeter, and grade of steel is 72A.The used material of basal body pipe is the polyethylene that molecular weight surpasses 2,500,000 units.
According to the size of user's request and institute's Environmental Conditions design caliber, select the used material of width, thickness, steel wire diameter and outer wall of steel band, bearing capacity is 3 times of working pressure, can design and manufacture its bearing capacity is the various model tubing of 1.5MPa-16MPa.
As manufacturing and designing the tubing that bearing capacity is 5MPa: 200 millimeters of calibers, 10 millimeters of width of steel band, 1.5 millimeters of thickness, 15 millimeters of spacings, 1 millimeter of steel wire diameter, the used material of outer pipe wall is the polyethylene that molecular weight surpasses 2,500,000 units.
Tubing is by the special device manufacturing.
In sum, the present invention has reasonable in design, cost performance height, wear-corrosion resistance is strong, bearing capacity is high advantage, is the embedded ultra-high molecular weight polyethylene composite pipe of steel band of a kind of applied range, long service life.

Claims (6)

1. embedded ultra-high molecular weight polyethylene composite pipe of steel band, be provided with basal body pipe (1), it is characterized in that, on basal body pipe (1) outer wall circumferential surface, evenly be provided with the groove (5) that is complementary with steel band (2) thickness and width, groove (5) is and runs through basal body pipe (1) total length and basal body pipe (1) axis parallel structure, steel band (2) embeds in the groove (5), described steel wire (3) is with perpendicular to basal body pipe (1) direction of axis line, be parcel steel band (2) spiral winding structure, put the polyethylene pipe that molecular weight surpasses 2,500,000 units at steel wire (3) outer wall, constitute outer wall (4).
2. the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band according to claim 1 is characterized in that, the radiant crosslinked polyethylene stretch tape in that steel wire (3) outer wall parcel strip spiral twines constitutes outer wall (4).
3. the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band according to claim 1 is characterized in that, at steel wire (3) outer wall parcel hot melt PE plastics, constitutes outer wall (4).
4. the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band according to claim 1, it is characterized in that, its thickness of described steel band (2) is the 0.5-3 millimeter, spacing between groove and the groove is the 10-20 millimeter, goes up parcel at described steel band (2) and is coated with the ultra-high molecular weight polyethylene hot melt adhesive.
5. the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band according to claim 1 is characterized in that described steel wire (2) is a Spring Steel Wire, and steel wire diameter is the 0.8-2.5 millimeter, and grade of steel is 72A.
6. the embedded ultra-high molecular weight polyethylene composite pipe of a kind of steel band according to claim 1 is characterized in that, the used material of basal body pipe (1) is the polyethylene that molecular weight surpasses 2,500,000 units.
CN2010101777743A 2010-05-13 2010-05-13 Steel belt embedded type ultra-high molecular weight polyethylene compound pipe Pending CN102242835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101777743A CN102242835A (en) 2010-05-13 2010-05-13 Steel belt embedded type ultra-high molecular weight polyethylene compound pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101777743A CN102242835A (en) 2010-05-13 2010-05-13 Steel belt embedded type ultra-high molecular weight polyethylene compound pipe

Publications (1)

Publication Number Publication Date
CN102242835A true CN102242835A (en) 2011-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101777743A Pending CN102242835A (en) 2010-05-13 2010-05-13 Steel belt embedded type ultra-high molecular weight polyethylene compound pipe

Country Status (1)

Country Link
CN (1) CN102242835A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091196A (en) * 2014-08-06 2014-10-08 朱云晖 Water washing-resistant and high temperature-resistant RFID (Radio Frequency Identification Device) tag and composite forming process thereof
CN112082010A (en) * 2020-08-13 2020-12-15 贵州宏塑科技管业有限责任公司 Steel belt pipe and production method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104091196A (en) * 2014-08-06 2014-10-08 朱云晖 Water washing-resistant and high temperature-resistant RFID (Radio Frequency Identification Device) tag and composite forming process thereof
CN112082010A (en) * 2020-08-13 2020-12-15 贵州宏塑科技管业有限责任公司 Steel belt pipe and production method thereof

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C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20111116

C02 Deemed withdrawal of patent application after publication (patent law 2001)