CN210266233U - Aluminium-plastic composite pipe - Google Patents
Aluminium-plastic composite pipe Download PDFInfo
- Publication number
- CN210266233U CN210266233U CN201822231210.8U CN201822231210U CN210266233U CN 210266233 U CN210266233 U CN 210266233U CN 201822231210 U CN201822231210 U CN 201822231210U CN 210266233 U CN210266233 U CN 210266233U
- Authority
- CN
- China
- Prior art keywords
- layer
- pipe
- aluminum
- plastic composite
- aluminum alloy
- 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.)
- Ceased
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 229920003023 plastic Polymers 0.000 title claims abstract description 29
- 239000004033 plastic Substances 0.000 title claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 75
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 29
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 13
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims abstract description 4
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000004132 cross linking Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004717 peroxide crosslinked polyethylene Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to an aluminum-plastic composite pipe, which comprises an inner pipe layer, a first adhesive layer, an aluminum alloy layer, a second adhesive layer and an outer pipe layer, wherein the inner pipe layer is a PEX-a crosslinked polyethylene layer, and the outer pipe layer is a polyethylene layer; the roughness of the inner surface of the PEX-a crosslinked polyethylene layer is less than 0.007 mm; the wall thickness of the inner pipe layer is 11.5-13.5% of the inner diameter, the wall thickness of the aluminum alloy layer is 1.1-1.8% of the inner diameter, and the wall thickness of the outer pipe layer is 3.5-6.5% of the inner diameter. Compared with the prior art, the utility model discloses an use PEX-a crosslinked polyethylene layer as the inner layer structure of compound pipe, adopt the aluminum alloy layer through surface treatment, and detect a flaw to the aluminum alloy layer, ensure that the aluminum alloy layer does not contain the sand hole structure, make compound pipe utensil have high pressure resistance under the thin condition of aluminum alloy layer, and the aluminium lamination is thin also is favorable to promoting this compound pipe's whole pliability, thereby taken into account the pliability and the intensity of tubular product, it is corrosion-resistant to have, the coefficient of friction is little, it is strong to be suitable for pressure, advantages such as the pliability is good.
Description
Technical Field
The utility model belongs to the technical field of the tubular product and specifically relates to an aluminum-plastic composite pipe is related to.
Background
The aluminum-plastic composite pipe has better heat preservation performance, the inner wall and the outer wall are not easy to corrode, and the inner wall is smooth and has small resistance to fluid; and the installation and construction are convenient because the flexible plate can be bent at will. As a water supply pipeline, an aluminum-plastic composite pipe needs to have sufficient strength and high-temperature pressure resistance. The peroxide crosslinked polyethylene pipe, namely the PEXa pipe has excellent heat resistance and pressure resistance, higher impact resistance and tensile strength, excellent stress cracking resistance, creep resistance and aging resistance, and is widely applied to the fields of buildings, environmental protection, water transmission, gas transmission, heating and the like. The existing aluminum-plastic composite pipe is internally provided with a PEX-b crosslinked polyethylene layer, the middle part is provided with an aluminum alloy layer and the outside part is provided with a crosslinked ethylene layer, after the process produces a finished product, hot water is introduced for crosslinking, the crosslinking degree is improved, a crosslinking room needs to be built, the investment is large, manual crosslinking is needed, the labor and the time are wasted, and the efficiency is low; the PEX-b crosslinked polyethylene layer is adopted as an inner layer, phenomena such as material death, pre-crosslinking and the like are easy to occur, the inner wall of the composite pipe is rough, the smoothness is not enough, the pipe is hard and poor in flexibility, and the composite pipe is not easy to bend during construction.
Disclosure of Invention
The utility model aims to provide an aluminum-plastic composite pipe for overcoming the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
an aluminum-plastic composite pipe comprises an inner pipe layer, a first adhesive layer, an aluminum alloy layer, a second adhesive layer and an outer pipe layer, wherein the inner pipe layer is a PEX-a crosslinked polyethylene layer, and the outer pipe layer is a polyethylene layer (PE protective layer).
The roughness of the inner surface of the PEX-a crosslinked polyethylene layer is less than 0.007 mm.
The wall thickness of the inner pipe layer is 11.5-13.5% of the inner diameter, the wall thickness of the aluminum alloy layer is 1.1-1.8% of the inner diameter, and the wall thickness of the outer pipe layer is 3.5-6.5% of the inner diameter.
The inner diameter of the aluminum-plastic composite pipe is 11-24 mm.
The aluminum-plastic composite pipe is of a coil pipe structure, and the roundness of the aluminum-plastic composite pipe is less than or equal to 2.0.
The aluminum-plastic composite pipe is of a straight pipe structure, and the roundness of the aluminum-plastic composite pipe is less than or equal to 1.0.
The aluminum alloy layer is cleaned to remove surface dust and oxide, and does not contain a sand hole structure.
The aluminum alloy layer is formed by butt joint or lap welding of aluminum strips.
Compared with the prior art, the composite pipe uses the PEX-a crosslinked polyethylene layer as the inner layer structure of the composite pipe, and the material has higher surface smoothness and good flexibility; adopt through surface treatment's aluminum alloy layer to flaw detecting aluminum alloy layer, guaranteeing that aluminum alloy layer does not contain the sand hole structure, making composite pipe utensil have high pressure resistance under the thinner condition of aluminum alloy layer, and the aluminium lamination is thinner also is favorable to promoting this composite pipe's whole pliability, the utility model discloses the pliability and the intensity of tubular product have been taken into account. Therefore, the utility model has the advantages of corrosion resistance, small friction coefficient, strong applicable pressure, good flexibility and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
in the figure, 1 is an inner tube layer, 2 is an aluminum alloy layer, and 3 is an outer tube layer.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
An aluminum-plastic composite pipe is shown in figures 1 and 2 and comprises an inner pipe layer 1, a first adhesive layer, an aluminum alloy layer 2, a second adhesive layer and an outer pipe layer 3, wherein the inner pipe layer 1 is a PEX-a crosslinked polyethylene layer, and the roughness of the inner surface of the PEX-a crosslinked polyethylene layer is less than 0.007 mm; the aluminum alloy layer 2 is the aluminum alloy layer 2 which is cleaned to remove dust and oxide on the surface and does not contain a sand hole structure, and the aluminum alloy layer 2 is formed by butt joint or lap welding of aluminum strips; the outer pipe layer 3 is a polyethylene layer, and the aluminum-plastic composite pipe can be used as a coil pipe or a straight pipe.
The specific structural parameters of the aluminum-plastic composite pipe in this example are shown in table 1.
TABLE 1 structural parameters of aluminium-plastic composite pipes
The utility model discloses use PEX-a crosslinked polyethylene layer as the inner layer structure of compound pipe, the surface finish of this material is higher, and flexibility is good, adopts the aluminum alloy layer through surface treatment to detect a flaw to the aluminum alloy layer, ensure that the aluminum alloy layer does not contain the sand hole structure, make compound pipe have high pressure resistance ability under the thinner condition of aluminum alloy layer, the utility model has the advantages of corrosion-resistant, coefficient of friction is little, suitable pressure is strong.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (6)
1. An aluminum-plastic composite pipe comprises an inner pipe layer (1), a first adhesive layer, an aluminum alloy layer (2), a second adhesive layer and an outer pipe layer (3), and is characterized in that the inner pipe layer (1) is a PEX-a crosslinked polyethylene layer, and the outer pipe layer (3) is a polyethylene layer;
the wall thickness of the inner pipe layer (1) is 11.5-13.5% of the inner diameter, the wall thickness of the aluminum alloy layer (2) is 1.1-1.8% of the inner diameter, and the wall thickness of the outer pipe layer (3) is 3.5-6.5% of the inner diameter;
the aluminum alloy layer (2) is the aluminum alloy layer (2) which is cleaned to remove surface dust and oxide, and does not contain a sand hole structure.
2. The aluminum-plastic composite pipe of claim 1, wherein the inner surface of the PEX-a crosslinked polyethylene layer has a roughness of less than 0.007 mm.
3. An aluminium-plastic composite pipe according to claim 1, characterized in that the aluminium alloy layer (2) is butt or lap welded from aluminium strip.
4. The aluminum-plastic composite pipe as claimed in claim 1, wherein the inside diameter of the aluminum-plastic composite pipe is 11 to 24 mm.
5. The aluminum-plastic composite pipe as claimed in claim 4, wherein the aluminum-plastic composite pipe is a coiled pipe structure, and the roundness of the aluminum-plastic composite pipe is less than or equal to 2.0.
6. The aluminum-plastic composite pipe as claimed in claim 4, wherein the aluminum-plastic composite pipe is a straight pipe structure, and the roundness of the aluminum-plastic composite pipe is less than or equal to 1.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231210.8U CN210266233U (en) | 2018-12-28 | 2018-12-28 | Aluminium-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231210.8U CN210266233U (en) | 2018-12-28 | 2018-12-28 | Aluminium-plastic composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266233U true CN210266233U (en) | 2020-04-07 |
Family
ID=70011272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231210.8U Ceased CN210266233U (en) | 2018-12-28 | 2018-12-28 | Aluminium-plastic composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506054A (en) * | 2018-12-28 | 2019-03-22 | 瑞好环境科技(上海)有限公司 | A kind of aluminum plastic composite pipe and preparation method thereof |
-
2018
- 2018-12-28 CN CN201822231210.8U patent/CN210266233U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506054A (en) * | 2018-12-28 | 2019-03-22 | 瑞好环境科技(上海)有限公司 | A kind of aluminum plastic composite pipe and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210266233U (en) | Aluminium-plastic composite pipe | |
| CN204922275U (en) | Nitrogen gas delivery hose for air drilling | |
| CN204254065U (en) | A kind of fiber reinforcement corrosion resistant alloy composite pipe | |
| CN204729782U (en) | A kind of heavy caliber steel pipe fittings | |
| CN205716080U (en) | A kind of stainless steel welding tube | |
| CN211118063U (en) | High-strength corrosion-resistant straight welded pipe | |
| CN204459506U (en) | A kind of sun-proof reinforcing PE manages | |
| CN210706016U (en) | Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe | |
| CN209180511U (en) | A PE water supply pipe | |
| CN210920383U (en) | Direct-buried heat-insulation steel pipe | |
| CN201696809U (en) | External anti-corrosion composite joint layer of steel pipe | |
| CN107606328B (en) | Make things convenient for corrosion-resistant plastic-coated steel pipe of local change | |
| CN201212593Y (en) | Flange rubber soft joint | |
| CN205037006U (en) | Be applied to transport cross -over connection and suction hose assembly of resistant negative pressure of ocean drilling platform | |
| CN205173750U (en) | Stainless steel covers moulds hose | |
| CN223242396U (en) | Steel-plastic composite pipe with enhanced compression resistance | |
| CN204512723U (en) | A kind of rubber lined pipe and end face of flange linkage structure | |
| CN204879085U (en) | Outer 3PE anticorrosion pipeline of interior epoxy of benefit is excused from a college course to anticorrosive coating in welding back | |
| CN205578939U (en) | Anticorrosion feed pipe | |
| CN212131561U (en) | A high-strength and high-pressure seamless pipe | |
| CN104565593A (en) | Organic fiber PVC (Polyvinyl Chloride) multilayered composite flexible pipe and preparation method thereof | |
| CN222527086U (en) | PE water supply pipe with anti-cracking structure | |
| CN204879110U (en) | Heavy -calibre stainless steel steel pipe fitting | |
| CN210424184U (en) | Multilayer heat preservation steel pipe | |
| CN214947022U (en) | High-strength corrosion-resistant steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230711 Address after: 237000 No. 16 Xingyu Road, High tech Development Zone, Yu'an District, Lu'an City, Anhui Province Patentee after: Hewei Environmental Technology (Anhui) Co.,Ltd. Address before: 201800 Room 103, Building 1, No. 9 Xiejiawan Road, Jinze Industrial Park, Qingpu District, Shanghai Patentee before: RUIHAO ENVIRONMENTAL TECHNOLOGY (SHANGHAI) CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20221109 Decision number of declaring invalidation: 59111 Granted publication date: 20200407 |
|
| IW01 | Full invalidation of patent right |