CN209484137U - A kind of non-metal composite pipe jointing - Google Patents
A kind of non-metal composite pipe jointing Download PDFInfo
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- CN209484137U CN209484137U CN201821899566.2U CN201821899566U CN209484137U CN 209484137 U CN209484137 U CN 209484137U CN 201821899566 U CN201821899566 U CN 201821899566U CN 209484137 U CN209484137 U CN 209484137U
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- metal composite
- composite pipe
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Abstract
A kind of non-metal composite pipe jointing, including end pipe, rectangular preiection, semicircular ring and semicircle sheath；Two end pipe coaxial arrangements, the adjacent end of two end pipes is circumferentially arranged one week rectangular preiection, forms annular protrusion, and there are two semicircle sheaths, two semicircle sheaths to form circular jacket for setting on each annular protrusion；There are two semicircular rings, two semicircular rings to be fixedly connected for setting on the outside of two circular jackets；End pipe is respectively sleeved on the outside of two sections non-metal composite pipe to be connected.The quick connection of two non-metal composite pipe pipe ends may be implemented by matching for two semicircular rings and four semicircle sheaths in the utility model, and only needs the fastening of two bolts that sealing can be realized, and greatly shortens the set-up time.The setting of semicircle sheath can be conducive to protect rectangular preiection not to be worn during the installation process destruction to avoid the direct friction of rectangular preiection and self-tightening type concave surface semicircular ring.
Description
Technical field
The utility model belongs to non-metal composite pipe field, in particular to a kind of non-metal composite pipe jointing.
Background technique
Non-metal composite pipe is a kind of anticorrosion pipeline, has very high bearing capacity, wide in industrial gas oil
General application.Oil and gas industry non-metal composite pipe mainly includes flexible composite pipe and plastic alloy multiple tube etc..It is above-mentioned
The mounting and installation mode of non-metal composite pipe is predominantly threadedly coupled.Threaded connection, which relies primarily on, to be mounted on non-metal composite pipe
Metal joint realize.Such as being connected using engagement thread, the joint categories at non-metal composite pipe both ends will be different, and one
End is external screw thread, and the other end is then necessary for matched internal screw thread.It will increase multiunit tube joint processing and in-site installation in this way
Difficulty, more demanding to installation personnel, in-site installation efficiency is lower, another difficult point is then that screw thread is generally processed in metal
On material, need to connect connector made of metal material with the tube body of non-metal composite pipe.Metal joint and nonmetallic compound
The connection of pipe tube body mainly uses machinery to withhold to complete, i.e., metal joint is first inserted into composite pipe body liner layer, then using outer
Portion is withheld or interior swollen mode makes metal joint and non-metal composite pipe tube body composite joint.It is connected using metal joint is withheld
Non-metal composite pipe road there are localized metallic channel, the appearance in localized metallic channel can bring following unfavorable factor.First is that golden
The physical contact between media for belonging to material and conveying will receive the corrosion of pumped (conveying) medium, and then influence whole if metal material selection is improper
The active time of pipeline, increases operation risk；Second is that since metal joint is inserted into inside non-metal composite pipe,
The channel caliber that metal joint is formed is less than the caliber of whole pipeline, influences the transfer efficiency of pipeline；It is connect third is that withholding metal
Binding force between head and non-metal composite pipe tube body is only provided by the frictional force between the two, and bond strength is limited, significantly
Less than the tensile strength of non-metal composite pipe tube body, there is the risk of connector slippage in construction work.
For this purpose, the prior art is it is also proposed that make connector, connector and multiple tube tube body by surpassing using thermoplastic material
Sound wave is welded to connect, and is connected by way of flange between connector and connector.It is found by experiment that connecing for utility model proposition
Head and attaching method thereof is only applicable to lower operating pressure, because joint is not handled thermoplastic enhancing, only
Uniform plastic material, joint load performance are significantly less than the load performance of non-metal composite pipe tube body, and pipeline is made to there is peace
Full hidden danger.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of non-metal composite pipe jointing and manufacturing method
Problem.
To achieve the above object, the utility model uses following technical scheme:
A kind of non-metal composite pipe jointing, including end pipe, rectangular preiection, semicircular ring and semicircle sheath；Two end pipes
Coaxial arrangement, the adjacent end of two end pipes is circumferentially arranged one week rectangular preiection, forms annular protrusion, each convex annular
Upper setting is played there are two semicircle sheath, two semicircle sheaths form circular jacket；There are two half for setting on the outside of two circular jackets
Annulus, two semicircular rings are fixedly connected；End pipe is respectively sleeved on the outside of two sections non-metal composite pipe to be connected.
Further, rectangular preiection upper surface is provided with one week groove, and it is semicircular fixed to be fixedly installed on semicircle sheath
Position ring, positioning ring are stuck in groove.
Further, non-metal composite pipe includes sealant, enhancement layer and wearing layer；Enhancement layer is set on the outside of sealant,
Wearing layer is set on the outside of enhancement layer；The sealant end of two sections non-metal composite pipe opposite side to be connected is fixedly installed sealing
Layer welding annulus.
Further, the first sealing ring is provided between sealant welding annulus；It is close that second is provided between two end pipes
Seal.
Further, the end of semicircular ring is fixedly installed connector, and bolt hole is offered on connector, and semicircular ring is logical
Bolt is crossed to be fixedly connected.
Further, card slot is provided in semicircular ring, two circular jackets are stuck in card slot.
Compared with prior art, the utility model has following technical effect:
Two non-metal composite pipes may be implemented by the matching of two semicircular rings and four semicircle sheaths in the utility model
The quick connection of pipe end, and only need the fastening of two bolts that sealing can be realized, greatly shorten the set-up time.Semicircle sheath
Setting can to avoid the direct friction of rectangular preiection and self-tightening type concave surface semicircular ring, be conducive to protection rectangular preiection installing
Be not worn destruction in journey.
The fast connecting joint shape and material at the utility model non-metal composite pipe both ends are completely the same, do not have to distinguish left
Connector or right connector reduce production difficulty convenient for the control of manufacturing process, improve production efficiency, and can improve in-site installation effect
Rate.
Being provided with conducive to the fixation of semicircle sheath for the utility model rectangle convex surface upper groove, is not easy to slide in installation process
It is de-.
Portion after two non-metal composite pipes of the utility model are connected by quick coupling, with delivered inside media contact
Position is sealing material layer, therefore fast connecting joint will not reduce the Corrosion Protection of pipeline, and pipeline caliber is consistent, does not deposit
The problem of caliber becomes smaller in mechanical attaching type metal joint part, does not influence transfer efficiency.The non-metal composite pipe connector is easy to
Joint connection in site, installation speed are fast.
Detailed description of the invention
Fig. 1 is longitudinal profile schematic diagram after connector connection；
Fig. 2 is on rear side of the installation of self-tightening type concave surface semicircular ring to diagrammatic cross-section.
Wherein: 1, pipe end；2, rectangular preiection；3, semicircular ring；4, semicircle sheath；5, sealant；6, enhancement layer；7, wear-resisting
Layer；8, groove；9, positioning ring；10, bolt；11, sealant welds annulus；12, the first sealing ring；13, the second sealing ring.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described:
Please refer to Fig. 1 and Fig. 2, a kind of non-metal composite pipe jointing, including end pipe 1, rectangular preiection 2,3 and of semicircular ring
Semicircle sheath 4；Two end pipes 1 are coaxially disposed, and the adjacent end of two end pipes 1 is circumferentially arranged one week rectangular preiection 2, shape
Protrusion is circularized, there are two semicircle sheaths 4, two semicircle sheaths 4 to form circular jacket for setting on each annular protrusion；Two circles
There are two semicircular rings 3, two semicircular rings 3 to be fixedly connected for setting on the outside of shape sheath；End pipe 1 is respectively sleeved to be connected non-of two sections
On the outside of metal composite pipe.
2 upper surface of rectangular preiection is provided with one week groove 8, and semicircular positioning ring 9 is fixedly installed on semicircle sheath 4,
Positioning ring 9 is stuck in groove 8.
Non-metal composite pipe includes sealant 5, enhancement layer 6 and wearing layer 7；Enhancement layer 6, enhancement layer are set on the outside of sealant
Wearing layer is arranged in 6 outsides；The sealant end of two sections non-metal composite pipe opposite side to be connected is fixedly installed sealant weldering
Connect annulus 11.
The first sealing ring 12 is provided between sealant welding annulus 11；The second sealing ring is provided between two end pipes 1
13。
The end of semicircular ring 3 is fixedly installed connector, and bolt hole is offered on connector, and semicircular ring 3 passes through bolt
It is fixedly connected.
Card slot is provided in semicircular ring 3, two circular jackets are stuck in card slot.
A kind of manufacturing method of non-metal composite pipe jointing, comprising the following steps:
Step 1, the end of two sections non-metal composite pipe to be connected is peeled off, sealant and enhancement layer are exposed；
Step 2, end pipe is wound on the outside of sealant using material identical with enhancement layer, while in end pipe front end
One circle rectangular preiection of winding；
Step 3, after the completion of winding process, one week groove is opened up in rectangular preiection upper surface after pipe end solidification, in two sections
The sealant end welded seal layer of non-metal composite pipe opposite side to be connected welds annulus, and sealant welds the material of annulus
It is identical as sealant；
Step 4, sealing ring is set between sealant welding annulus and between end pipe；
Step 5, the semicircle sheath with positioning ring is stuck on rectangular preiection, forms annulus sheath, two sections is made to wait connecting
Non-metal composite pipe be adjacent to, be arranged semicircular ring, two semicircular rings in circular jacket after coating lubricating oil on the outside of annulus sheath
It is bolted to connection.
The angle of the Filament Wound Composite of pipe end reinforcement material and thermosetting resin be 75 °~83 °, winding with a thickness of
18~40mm, the rectangular preiection that winds with one circuit with a thickness of 20~35mm, the width of the rectangular preiection that winds with one circuit is 18~25mm.
Semicircle sheath is made of the steel material of carbon steel, stainless steel.
Semicircular ring is made of the steel material of carbon steel, stainless steel.
The composite material of fiber and thermosetting resin is prepared by following procedure: fiber impregnation is made in thermosetting resin
?；Wherein, fiber is glass fibre, carbon fiber, basalt fibre, polyester fiber or aramid fiber；Thermosetting resin is epoxy
Resin, unsaturated polyester resin or vinyl ester resin.
Sealant is polyethylene, polyacrylic thermoplastic.
Sealing ring material is polytetrafluoroethylene (PTFE) or fluorubber.
Embodiment 1:DN60mm PN12MPa glass fiber reinforcement high-density polyethylene compound pipe connector
Non-metal composite pipe sealant 5 is high density polyethylene (HDPE), and enhancement layer 6 is entwined for glass fiber bundle, wearing layer 7
For the polyethylene being coated on enhancement layer 6.Pipe end 1 is by sealant 5, sealant welding annulus 11 and glass fibre and thermosetting property tree
The composite material three parts of rouge are constituted.The manufacturing process of pipe end 1 is synchronous with non-metal composite pipe tube body production (winding) process to be connected
It is continuous to carry out, after a sealant welding annulus 11 is welded in 5 end of sealing material layer, on sealant 5 using with it is nonmetallic multiple
The continuous continual glass fibre of pipe tube body enhancement layer 6 and the compound rear winding of epoxy resin are closed, winding angle is 78 °, is being wound
When rectangular preiection 2, winding angle is adjusted to 84 °, rectangular preiection high 30mm, wide 25mm, solidifies 10 hours for 60 DEG C after the completion of winding,
Groove 8, groove 8 depth 3mm, width 2mm are processed in 2 outer ring of rectangular preiection, pipe end 1 completes.Semicircle sheath 4 uses
The production of 3Cr13 martensitic stain less steel, surface gradient are that 9 ° of semicircle sheaths 4 are set to outside rectangular preiection 2.Semicircular ring 3 uses
The production of 3Cr13 martensitic stain less steel, concave surface outer inclined-plane angle are 9 °.
The pipe end 1 of a piece glass fiber reinforcement high-density polyethylene compound pipe is poly- with another glass fiber reinforcement high density
It after 1 centering of pipe end of ethylene multiple tube, is connected by two semicircular rings 3, two semicircular rings 3 are connected certainly by bolt screw hole 10
Tightly, the first sealing ring 12 and the second sealing ring 13 are provided between pipe end 1.Verification test, content of the test packet have been carried out after connection
Hydrostatic test and gas leakage test when including long.When long the pressure value of hydrostatic pressing be 18MPa, pressure maintaining 24 hours, quick coupling
It does not leak.The gas pressure value of air seal test is 15MPa, and pressure maintaining 8 hours, quick coupling did not leaked.
Claims (6)
1. a kind of non-metal composite pipe jointing, which is characterized in that including end pipe (1), rectangular preiection (2), semicircular ring (3) and
Semicircle sheath (4)；Two end pipe (1) coaxial arrangements, the adjacent end of two end pipes (1) is circumferentially arranged to have one week rectangle convex
It rises (2), forms annular protrusion, there are two semicircle sheath (4), two semicircle sheaths (4) to form circle for setting on each annular protrusion
Shape sheath；There are two semicircular ring (3), two semicircular rings (3) to be fixedly connected for setting on the outside of two circular jackets；End pipe (1) is respectively
It is set on the outside of two sections non-metal composite pipe to be connected.
2. a kind of non-metal composite pipe jointing according to claim 1, which is characterized in that table on rectangular preiection (2)
Face is provided with one week groove (8), is fixedly installed semicircular positioning ring (9) on semicircle sheath (4), positioning ring (9) is stuck in recessed
In slot (8).
3. a kind of non-metal composite pipe jointing according to claim 1, which is characterized in that non-metal composite pipe includes
Sealant (5), enhancement layer (6) and wearing layer (7)；Enhancement layer (6) are set on the outside of sealant, setting is wear-resisting on the outside of enhancement layer (6)
Layer；The sealant end of two sections non-metal composite pipe opposite side to be connected is fixedly installed sealant welding annulus (11).
4. a kind of non-metal composite pipe jointing according to claim 3, which is characterized in that sealant welds annulus
(11) the first sealing ring (12) are provided between；The second sealing ring (13) are provided between two end pipes (1).
5. a kind of non-metal composite pipe jointing according to claim 1, which is characterized in that the end of semicircular ring (3)
It is fixedly installed connector, bolt hole is offered on connector, semicircular ring (3) is bolted to connection.
6. a kind of non-metal composite pipe jointing according to claim 1, which is characterized in that semicircular ring is arranged on (3)
There is card slot, two circular jackets are stuck in card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899566.2U CN209484137U (en) | 2018-11-16 | 2018-11-16 | A kind of non-metal composite pipe jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899566.2U CN209484137U (en) | 2018-11-16 | 2018-11-16 | A kind of non-metal composite pipe jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484137U true CN209484137U (en) | 2019-10-11 |
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ID=68116068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821899566.2U Active CN209484137U (en) | 2018-11-16 | 2018-11-16 | A kind of non-metal composite pipe jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209484137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442126A (en) * | 2018-11-16 | 2019-03-08 | 中国石油天然气集团有限公司 | A kind of non-metal composite pipe jointing and manufacturing method |
-
2018
- 2018-11-16 CN CN201821899566.2U patent/CN209484137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442126A (en) * | 2018-11-16 | 2019-03-08 | 中国石油天然气集团有限公司 | A kind of non-metal composite pipe jointing and manufacturing method |
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