CN217762449U - RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance - Google Patents
RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance Download PDFInfo
- Publication number
- CN217762449U CN217762449U CN202221421957.XU CN202221421957U CN217762449U CN 217762449 U CN217762449 U CN 217762449U CN 202221421957 U CN202221421957 U CN 202221421957U CN 217762449 U CN217762449 U CN 217762449U
- Authority
- CN
- China
- Prior art keywords
- layer
- rtp
- pipe body
- heat preservation
- pipe
- 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.)
- Active
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model provides a compound pipe of flexible reinforcing thermoplastic of RTP that thermal insulation performance is good relates to compound pipe technical field of RTP. The RTP plastic composite pipe comprises an RTP inner layer pipe body, an RTP outer layer pipe body, a heat preservation protective layer and a pipe body reinforcing layer; the heat-insulation protective layer comprises a heat-insulation layer arranged on the periphery of the RTP inner-layer pipe body, a polyethylene connecting layer is arranged on the periphery of the heat-insulation layer, a plurality of vacuum heat-insulation cavities are formed in the polyethylene connecting layer, and the vacuum heat-insulation cavities are uniformly arranged at intervals along the axial extension direction of the RTP inner-layer pipe body; the RTP outer layer pipe body is arranged on the periphery of the heat preservation protective layer; the tube body reinforcing layer is arranged between the RTP outer layer tube body and the RTP inner layer tube body. The utility model discloses the dual heat preservation function has been realized to vacuum insulation chamber and heat preservation on the well polyethylene articulamentum, makes fluid medium's energy loss greatly reduced, has solved the poor problem of end of a thread RTP plastics composite pipe thermal insulation performance.
Description
Technical Field
The utility model relates to a compound pipe technical field of RTP particularly, relates to a compound pipe of flexible reinforcing thermoplastic of RTP that thermal insulation performance is good.
Background
The flexible Reinforced Thermoplastic composite pipe (RTP pipe for short) is a high-pressure plastic composite pipeline, has the characteristics of good flexibility, corrosion resistance, high pressure resistance, impact resistance, wear resistance, light weight, easiness in connection, coiling, long-distance joint-free quick laying and the like, can well overcome the corrosion problem of a steel pipe and the pressure resistance problem of a plastic pipeline, and can be applied to the field of pipelines for petroleum and natural gas exploitation, high-pressure long-distance conveying of natural gas and various high-pressure conveying media.
The RTP product is generally composed of three layers, wherein the inner layer and the outer layer are made of materials of PE80 and PE100, and the outer layer can be white (ultraviolet-proof ground surface pavement) or black (buried pavement) according to requirements; the middle layer is a reinforced belt compounded by reinforced materials, and the reinforced materials can be aramid fibers, polyester fibers, glass fibers or other high-strength fibers. The RTP composite pipe used at present has the problem of poor heat preservation performance.
To sum up, we propose an RTP flexible reinforced thermoplastic composite tube with good thermal insulation performance to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound pipe of flexible reinforcing thermoplastic of RTP that thermal insulation performance is good, the vacuum heat preservation chamber on the polyethylene articulamentum has realized dual heat preservation function with the heat preservation, makes fluid medium's energy loss greatly reduced, has solved the poor problem of the compound pipe thermal insulation performance of end of a thread RTP plastics.
The embodiment of the utility model is realized like this:
the embodiment of the application provides an RTP flexible reinforced thermoplastic composite pipe with good heat insulation performance, which comprises an RTP inner layer pipe body, an RTP outer layer pipe body, a heat insulation protective layer and a pipe body reinforcing layer;
the heat-insulation protective layer comprises a heat-insulation layer arranged on the periphery of the RTP inner-layer pipe body, a polyethylene connecting layer is arranged on the periphery of the heat-insulation layer, a plurality of vacuum heat-insulation cavities are formed in the polyethylene connecting layer, and the vacuum heat-insulation cavities are uniformly arranged at intervals along the axial extension direction of the RTP inner-layer pipe body;
the RTP outer layer pipe body is arranged on the periphery of the heat preservation protective layer;
the tube body reinforcing layer is arranged between the RTP outer layer tube body and the RTP inner layer tube body.
In some embodiments of the present invention, the tube body reinforcement layer includes a first reinforcement layer and a second reinforcement layer, the first reinforcement layer is disposed between the RTP inner tube body and the thermal insulation protective layer, and the second reinforcement layer is disposed between the thermal insulation protective layer and the RTP outer tube body.
In some embodiments of the present invention, the opposite RTP outer tube body between the adjacent vacuum insulation chambers is provided with a shearing identification layer.
In some embodiments of the present invention, the RTP inner tube body is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene.
In some embodiments of the present invention, the RTP outer tube body is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene.
In some embodiments of the present invention, the tube body reinforcement layer is an aramid fiber or glass fiber reinforced single-direction tape.
In some embodiments of the present invention, the tube reinforcement layer is fixed and bonded by hot melt adhesive.
In some embodiments of the present invention, the inner side of the RTP inner tube body is provided with a corrosion-resistant layer.
In some embodiments of the present invention, the inner side of the corrosion-resistant layer is a smooth surface.
In some embodiments of the present invention, the thickness of the RTP inner tube body and the RTP outer tube body is greater than the thickness of the thermal insulation protective layer and the tube body reinforcing layer.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance comprises an RTP inner layer pipe body, an RTP outer layer pipe body, a heat preservation protective layer and a pipe body reinforcing layer;
the heat-insulation protective layer comprises a heat-insulation layer arranged on the periphery of the RTP inner-layer pipe body, a polyethylene connecting layer is arranged on the periphery of the heat-insulation layer, a plurality of vacuum heat-insulation cavities are formed in the polyethylene connecting layer, and the vacuum heat-insulation cavities are uniformly arranged at intervals along the axial extension direction of the RTP inner-layer pipe body;
the RTP outer layer pipe body is arranged on the periphery of the heat preservation protective layer;
the tube body reinforcing layer is arranged between the RTP outer layer tube body and the RTP inner layer tube body.
The utility model discloses when carrying out the transport of heat preservation fluid, let in fluid medium through the one end of RTP inlayer pipe body to from the other end output of RTP inlayer pipe body, in this transportation process, dual heat preservation function has been realized to vacuum heat preservation chamber and heat preservation on the polyethylene articulamentum, makes fluid medium's energy loss greatly reduced, has solved the poor problem of end of a thread RTP plastics composite pipe thermal insulation performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of an RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a in fig. 1.
Icon: 1-corrosion-resistant layer, 2-RTP inner layer pipe body, 3-first enhancement layer, 4-heat-insulating layer, 5-vacuum heat-insulating cavity, 6-polyethylene connecting layer, 7-shear identification layer, 8-second enhancement layer and 9-RTP outer layer pipe body.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not require that the components be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Referring to fig. 1 and 2, the embodiment provides an RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance, which includes an RTP inner layer pipe body 2, an RTP outer layer pipe body 9, a thermal insulation protective layer and a pipe body reinforcing layer;
the heat preservation protective layer comprises a heat preservation layer 4 arranged on the periphery of the RTP inner layer pipe body 2, a polyethylene connecting layer 6 is arranged on the periphery of the heat preservation layer 4, a plurality of vacuum heat preservation cavities 5 are formed in the polyethylene connecting layer 6, and the plurality of vacuum heat preservation cavities 5 are uniformly arranged at intervals along the axial extension direction of the RTP inner layer pipe body 2;
the RTP outer layer pipe body 9 is arranged on the periphery of the heat preservation protective layer;
the tube body reinforcing layer is disposed between the RTP outer tube body 9 and the RTP inner tube body 2.
The utility model discloses when carrying out the transport of heat preservation fluid, let in fluid medium through the one end of RTP inlayer pipe body 2 to from RTP inlayer pipe body 2's other end output, in this transportation process, the dual heat preservation function has been realized to vacuum heat preservation chamber 5 and heat preservation 4 on the polyethylene articulamentum 6, makes fluid medium's energy loss greatly reduced, has solved the poor problem of end of a thread RTP plastics compound pipe thermal insulation performance.
Optionally, the vacuum insulation cavity 5 is annular, and the vacuum insulation cavity 5 is arranged along the circumferential direction of the RTP inner-layer pipe body 2, so that the vacuum insulation cavity 5 is ensured to wrap the RTP inner-layer pipe body 2, and the loss of fluid medium energy is avoided. The polyethylene connecting layer 6 is made of polyethylene.
Example 2
In some embodiments of the present invention, the tube body reinforcing layer includes a first reinforcing layer 3 and a second reinforcing layer 8, the first reinforcing layer 3 is disposed between the RTP inner tube body 2 and the thermal insulation protective layer, and the second reinforcing layer 8 is disposed between the thermal insulation protective layer and the RTP outer tube body 9.
In the above embodiment, the first reinforcement layer 3 and the second reinforcement layer 8 form two reinforcement layers, the two reinforcement layers form a high-pressure composite tube, and the first reinforcement layer 3 and the second reinforcement layer 8 are arranged at intervals, so that the span of the two reinforcement layers in the radial direction of the RTP high-pressure composite tube is larger, and the RTP high-pressure composite tube has better structural strength.
Example 3
In some embodiments of the present invention, the RTP outer tube body 9 between adjacent vacuum insulation chambers 5 is provided with a shear mark layer 7.
In the above embodiment, the pipeline is often cut during the laying process of the pipeline, and when the RTP plastic composite pipe is long, the pipe body between the adjacent vacuum heat preservation cavities 5 is identified through the cutting identification layer 7 in order to avoid cutting the vacuum heat preservation cavities 5. Cut identification layer 7 and adopt polyethylene to make, the outside coating of cutting identification layer 7 has the picture layer for distinguish and cut identification layer 7 and RTP outer pipe body 9, make things convenient for operating personnel to accurately find the shearing position.
Example 4
In some embodiments of the present invention, the RTP inner tube body 2 is one or more of a polyethylene layer, a polyvinyl chloride layer, or polypropylene.
In the above embodiment, the RTP inner layer pipe body 2 is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene, which enriches the structure of the RTP inner layer pipe body 2.
Example 5
In some embodiments of the present invention, the RTP outer tube body 9 is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene.
In the above embodiment, the RTP outer layer pipe body 9 is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene, which enriches the structure of the RTP outer layer pipe body 9.
Example 6
In some embodiments of the utility model, the above-mentioned body enhancement layer is aramid fiber or glass fiber reinforcing unistrap.
In the above embodiments, aramid (Nomex is one kind of aramid and is phenylene terephthalamide) is a novel high-tech synthetic fiber, and has excellent properties of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, aging resistance, long life cycle and the like. Glass fiber (Fiberglass) is an inorganic non-metallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength.
Example 7
In some embodiments of the present invention, the tube body reinforcing layer is fixed and bonded by hot melt adhesive.
In the above embodiment, the hot melt adhesive is a plastic adhesive, is in a solid state at normal temperature, and can be quickly bonded after being heated and melted. The bonding is rapid, generally, only tens of seconds or even several seconds are needed from the gluing to the cooling and bonding; the adhesive has wide range, can be adhered to a plurality of materials and even to the materials which are generally recognized to be difficult to adhere (such as polyolefin | wax paper | carbon paper, etc.), and particularly can be adhered to a joint by using hot melt adhesive for more than 105 to 106 times without cracking; the adhesive can be repeatedly heated and bonded for many times; the performance is stable, and the storage and the transportation are convenient; the cost is low.
Example 8
In some embodiments of the present invention, the inner side of the RTP inner tube body 2 is provided with a corrosion-resistant layer 1.
In the above-mentioned embodiment, the design of corrosion-resistant layer 1 makes the utility model discloses have the anticorrosion protect function, life is longer, has solved simultaneously and has contained acid or alkaline liquid in the sewage that the resident discharged, and then corrodes the compound pipe easily, leads to the problem that compound pipe life shortens.
Example 9
In some embodiments of the present invention, the inner side of the corrosion-resistant layer 1 is a smooth surface.
In the above embodiment, the smooth surface makes the resistance of the fluid in the pipe smaller, so that the fluid flows more smoothly.
Example 10
In some embodiments of the present invention, the thickness of the RTP inner tube body 2 and the RTP outer tube body 9 is greater than the thickness of the thermal protection layer and the tube body reinforcing layer.
To sum up, the embodiment of the utility model provides a good flexible reinforcing thermoplastic composite pipe of RTP heat preservation performance, it has following technological effect at least:
the utility model discloses when carrying out the transport of heat preservation fluid, let in fluid medium through the one end of RTP inlayer pipe body 2 to from the other end output of RTP inlayer pipe body 2, in this transportation process, vacuum heat preservation chamber 5 and heat preservation 4 on the polyethylene articulamentum 6 have realized dual heat preservation function, make fluid medium's energy loss greatly reduced, have solved the poor problem of end of a thread RTP plastics composite pipe thermal insulation performance.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance is characterized by comprising an RTP inner layer pipe body, an RTP outer layer pipe body, a heat preservation protective layer and a pipe body reinforcing layer;
the heat-preservation protective layer comprises a heat-preservation layer arranged on the periphery of the RTP inner-layer pipe body, a polyethylene connecting layer is arranged on the periphery of the heat-preservation layer, a plurality of vacuum heat-preservation cavities are formed in the polyethylene connecting layer, and the vacuum heat-preservation cavities are uniformly arranged at intervals along the axial extension direction of the RTP inner-layer pipe body;
the RTP outer layer pipe body is arranged on the periphery of the heat preservation protective layer;
the tube body enhancement layer is arranged between the RTP outer layer tube body and the RTP inner layer tube body.
2. The RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance as claimed in claim 1, wherein the pipe body reinforcement layer comprises a first reinforcement layer and a second reinforcement layer, the first reinforcement layer is arranged between the RTP inner pipe body and the heat preservation and protection layer, and the second reinforcement layer is arranged between the heat preservation and protection layer and the RTP outer pipe body.
3. An RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance as claimed in claim 2, wherein a shear identification layer is arranged on the outer layer pipe body of the RTP facing between the adjacent vacuum heat preservation cavities.
4. An RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance as claimed in claim 1, wherein the RTP inner layer pipe body is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene.
5. An RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance as claimed in claim 1, wherein the outer layer pipe body of the RTP is one or more of a polyethylene layer, a polyvinyl chloride layer or polypropylene.
6. The RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance of claim 1, wherein the pipe body reinforcing layer is an aramid fiber or glass fiber reinforced unidirectional tape.
7. The RTP flexible reinforced thermoplastic composite pipe with good heat preservation performance as claimed in claim 1, wherein the pipe body reinforcing layer is fixedly bonded through a hot melt adhesive.
8. An RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance as recited in claim 1, wherein the inside of the RTP inner layer pipe body is provided with a corrosion-resistant layer.
9. An RTP flexible reinforced thermoplastic composite tube with good thermal insulation performance as claimed in claim 8, wherein the inner side of the corrosion-resistant layer is smooth.
10. The RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance of claim 1, wherein the thickness of the RTP inner layer pipe body and the RTP outer layer pipe body is larger than that of the thermal insulation protective layer and the pipe body reinforcing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221421957.XU CN217762449U (en) | 2022-06-08 | 2022-06-08 | RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221421957.XU CN217762449U (en) | 2022-06-08 | 2022-06-08 | RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217762449U true CN217762449U (en) | 2022-11-08 |
Family
ID=83890937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221421957.XU Active CN217762449U (en) | 2022-06-08 | 2022-06-08 | RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217762449U (en) |
-
2022
- 2022-06-08 CN CN202221421957.XU patent/CN217762449U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3721125B1 (en) | High-pressure pipe with pultruded elements and method for producing the same | |
| US8763647B2 (en) | Composite tubing | |
| JP5564253B2 (en) | Reinforced hose | |
| CN106979391B (en) | Non-bonding thermoplastic composite material flexible pipe and preparation process thereof | |
| AU2002320710B2 (en) | Composite Pipe Having a PTFE Inner Layer and a Covering Layer of a Fibre-reinforced Plastics Material | |
| CN108286627B (en) | Thermoplastic composite tube with multi-layer middle sheet layer | |
| MXPA00012490A (en) | A flexible composite pipe and a method for manufacturing same. | |
| CN109323058A (en) | A kind of glass fiber reinforcement bonding flexible pipe suitable for high external pressure environment | |
| CN217762449U (en) | RTP flexible reinforced thermoplastic composite pipe with good thermal insulation performance | |
| CN210510565U (en) | High-strength glass fiber reinforced plastic concrete sandwich composite pipeline | |
| CN209743849U (en) | Connecting pipe fitting for plastic glass pipe | |
| US20170045161A1 (en) | Multilayer composite waste tube | |
| CN214466707U (en) | Multilayer wear-resistant composite pipeline for conveying power plant slurry | |
| US20200248844A1 (en) | Method for producing a pipe lined with an inner liner | |
| CA2756825C (en) | Improved composite tubing | |
| CN217815633U (en) | Composite pipe connecting structure | |
| CN217030278U (en) | Flexible composite pipe | |
| CN212745545U (en) | Fiber-reinforced polyethylene heat-shrinkable sleeve | |
| RU57862U1 (en) | COMPOSITE PIPE | |
| CN117698211A (en) | Fiber reinforced thermoplastic composite material hydrogen transmission pipeline and manufacturing method thereof | |
| CN218914013U (en) | Basalt Fiber (CBF) reinforced polyethylene composite pipe | |
| CN216131509U (en) | Explosion-proof composite pipe | |
| CN217762456U (en) | Polyester fiber reinforced PE composite pipe | |
| CN209213227U (en) | A kind of glass fiber reinforcement bonding flexible pipe suitable for high external pressure environment | |
| BR112020010052B1 (en) | FLEXIBLE HIGH PRESSURE PIPE AND METHOD FOR PRODUCING A FLEXIBLE HIGH PRESSURE PIPE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |