CN203927106U - High temperature resistant explosion-proof plastic-aluminum PP-R pipe - Google Patents
High temperature resistant explosion-proof plastic-aluminum PP-R pipe Download PDFInfo
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- CN203927106U CN203927106U CN201420220385.8U CN201420220385U CN203927106U CN 203927106 U CN203927106 U CN 203927106U CN 201420220385 U CN201420220385 U CN 201420220385U CN 203927106 U CN203927106 U CN 203927106U
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- aluminum
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- temperature resistant
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Abstract
The utility model relates to tubing technical field, is specifically related to a kind of high temperature resistant explosion-proof plastic-aluminum PP-R pipe.High temperature resistant explosion-proof plastic-aluminum PP-R pipe, comprises the internal layer that PP-R makes, and the outside of internal layer is provided with metal layer, and the outside of metal layer is provided with the explosion-proof skin of heat-resisting explosion-proof, and the outer PE-RT that adopts of explosion-proof makes.Owing to adopting technique scheme, the utlity model has the structural characteristics that is better than conventional P P-R tubing, not only in mechanical strength, be improved, have more heat resisting explosion-proof characteristic, make product there is longer working life and using scope more widely.
Description
Technical field
The utility model relates to tubing technical field, is specifically related to a kind of PP-R pipe.
Background technique
PP-R is to being again three type polypropylene tube, has the features such as lightweight, corrosion-resistant, non-scaling, long service life.PP-R pipe manufacturer is more, and quality there are differences, once there is seepage, loses huge.The resistance to high temperature of conventional P P-R pipe is poor, uses and has potential safety hazard for a long time in hot environment.When as delivery pipeline, the position being especially connected with joint and pipe bent position are easier to occur the situations such as explosion.
Model utility content
The purpose of this utility model is, a kind of high temperature resistant explosion-proof plastic-aluminum PP-R pipe is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
High temperature resistant explosion-proof plastic-aluminum PP-R pipe, comprise the internal layer that PP-R makes, the outside of described internal layer is provided with a metal layer, it is characterized in that, the outside of described metal layer is provided with the explosion-proof skin of a heat-resisting explosion-proof, and the outer explosion-proof that adopts PE-RT to make of described explosion-proof is outer.
The utility model solves by explosion-proof skin is set the shortcoming that conventional P P-R tubing is thermo-labile, there is no explosion-proof performance, has expanded the application area of tubing, has extended the working life of tubing.PE-RT is heat-proof polythene, be a kind of can be for the noncrosslinking polyethylene of hot-water line, adopt special MOLECULE DESIGN and synthesis technology to produce.It adopts the method for ethene and octene copolymer, by controlling the quantity of side chain and distributing, obtains unique structure of molecule, improves the heat resistance of PE.Because the existence of octene short-chain branch makes the large molecule of PE uncrystallizable in a flat crystal, but be applied in several crystal, having formed the connection between crystal, it has retained the good pliability of PE, high thermal conductivity and inertia make it resistance to pressure better simultaneously.
The outer field thickness of described explosion-proof is 0.2mm-1.2mm, preferably 0.2mm-1.0mm.
The metal layer that described metal layer employing aluminium or aluminum alloy, copper or Cuprum alloy, lead or lead alloy, Steel material are made, to improve the mechanical strength of product, reply external impacts, thus play the effect of protecting endothecium structure.
Thickness proportion between described internal layer, described metal layer, described explosion-proof skin is 1:1:1.
Between described metal layer and described explosion-proof skin, be provided with an outside heat-fusing glue layer, the outside heat-fusing glue layer that described outside heat-fusing glue layer adopts modified poly ethylene to make.
The outside heat-fusing glue layer that described outside heat-fusing glue layer preferably adopts maleic anhydride grafted polyethylene to make.
Between described metal layer and described internal layer, be provided with an inner heat-fusing glue layer, the inside heat-fusing glue layer that described inner heat-fusing glue layer adopts modified polypropene to make.
The inside heat-fusing glue layer that described inner heat-fusing glue layer preferably adopts maleic anhydride inoculated polypropylene to make.
Bonded structure of the present utility model adopts modified poly ethylene and modified polypropene to realize the connection between three layers, make adhesive effect obviously be better than the common glue bonded structure in tratitional technology, be difficult for making oxidation occurring and coming off between the relevant layers of product, and modified poly ethylene and modified polypropylene material have high-temperature stability, can, owing to causing for a long time softening or hardening to affect adhesive property in applied at elevated temperature environment, not avoid destroying the layered structure of tubing.
The thickness of described inner heat-fusing glue layer is 0.3mm-0.5mm, preferably 0.4mm.
The thickness of described outside heat-fusing glue layer is 0.3mm-0.5mm, preferably 0.4mm.
Beneficial effect: owing to adopting technique scheme, the utlity model has the structural characteristics that is better than conventional P P-R tubing, not only in mechanical strength, be improved, have more heat resisting explosion-proof characteristic, make product there is longer working life and using scope more widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, high temperature resistant explosion-proof plastic-aluminum PP-R pipe, be provided with from inside to outside internal layer 1, inner heat-fusing glue layer 2, metal layer 3, outside heat-fusing glue layer 4, explosion-proof skin 5, wherein, internal layer 1 is made by PP-R, metal layer 3 employing aluminium or aluminum alloy, copper or Cuprum alloy, lead or lead alloy, Steel material are made, explosion-proof outer 5 adopts PE-RT to make, inner heat-fusing glue layer 2 adopts modified polypropene to make, preferably adopt maleic anhydride inoculated polypropylene to make, outside heat-fusing glue layer 4 adopts modified poly ethylene to make, and preferably adopts maleic anhydride grafted polyethylene to make.The thickness of explosion-proof skin 5 is 0.2mm-1.2mm, preferably 0.2mm-1.0mm.Thickness proportion between internal layer 1, metal layer 3, explosion-proof skin 5 is 1:1:1.The thickness of inner heat-fusing glue layer 2 is 0.3mm-0.5mm, preferably 0.4mm.The thickness of outside heat-fusing glue layer 4 is 0.3mm-0.5mm, preferably 0.4mm.
The utility model solves by explosion-proof skin is set the shortcoming that conventional P P-R tubing is thermo-labile, there is no explosion-proof performance, has expanded the application area of tubing, has extended the working life of tubing.PE-RT is heat-proof polythene, be a kind of can be for the noncrosslinking polyethylene of hot-water line, adopt special MOLECULE DESIGN and synthesis technology to produce.It adopts the method for ethene and octene copolymer, by controlling the quantity of side chain and distributing, obtains unique structure of molecule, improves the heat resistance of PE.Because the existence of octene short-chain branch makes the large molecule of PE uncrystallizable in a flat crystal, but be applied in several crystal, having formed the connection between crystal, it has retained the good pliability of PE, high thermal conductivity and inertia make it resistance to pressure better simultaneously.
Bonded structure of the present utility model adopts modified poly ethylene and modified polypropene to realize the connection between three layers, make adhesive effect obviously be better than the common glue bonded structure in tratitional technology, be difficult for making oxidation occurring and coming off between the relevant layers of product, and modified poly ethylene and modified polypropylene material have high-temperature stability, can, owing to causing for a long time softening or hardening to affect adhesive property in applied at elevated temperature environment, not avoid destroying the layered structure of tubing.
The utility model preferably adopts following embodiment according to the difference of metal layer:
Embodiment 1, when metal layer adopts aluminium or aluminum alloy material to make, the thickness of internal layer 1, metal layer 3, explosion-proof skin 5 is 0.2mm, wherein, the bonding strength between internal layer 1 and metal layer 3 is greater than 100N/25mm, and metal layer 3 is greater than 150N/25mm with the bonding strength of explosion-proof skin 5.
Embodiment 2, when metal layer adopts copper or Cu alloy material to make, the thickness of internal layer 1, metal layer 3, explosion-proof skin 5 is 0.2mm, wherein, the bonding strength between internal layer 1 and metal layer 3 is greater than 80N/25mm, and metal layer 3 is greater than 80N/25mm with the bonding strength of explosion-proof skin 5.
Embodiment 3, when metal layer adopts lead or lead alloy material to make, the thickness of internal layer 1, metal layer 3, explosion-proof skin 5 is 0.2mm, wherein, the bonding strength between internal layer 1 and metal layer 3 is greater than 80N/25mm, and metal layer 3 is greater than 80N/25mm with the bonding strength of explosion-proof skin 5.
Embodiment 4, when metal layer adopts Steel material to make, the thickness of internal layer 1, metal layer 3, explosion-proof skin 5 is 1.0mm, wherein, the bonding strength between internal layer 1 and metal layer 3 is greater than 100N/25mm, and metal layer 3 is greater than 80N/25mm with the bonding strength of explosion-proof skin 5.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. high temperature resistant explosion-proof plastic-aluminum PP-R manages, comprise the internal layer that PP-R makes, the outside of described internal layer is provided with a metal layer, it is characterized in that, the outside of described metal layer is provided with the explosion-proof skin of a heat-resisting explosion-proof, and the outer explosion-proof that adopts PE-RT to make of described explosion-proof is outer.
2. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 1, is characterized in that, the outer field thickness of described explosion-proof is 0.2mm-1.2mm.
3. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 1, is characterized in that, the metal layer that described metal layer employing aluminium or aluminum alloy, copper or Cuprum alloy, lead or lead alloy, Steel material are made.
4. according to the high temperature resistant explosion-proof plastic-aluminum PP-R pipe described in claim 1,2 or 3, it is characterized in that, the thickness proportion between described internal layer, described metal layer, described explosion-proof skin is 1:1:1.
5. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 1, is characterized in that, between described metal layer and described explosion-proof skin, is provided with an outside heat-fusing glue layer, the outside heat-fusing glue layer that described outside heat-fusing glue layer adopts modified poly ethylene to make.
6. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 5, is characterized in that, the outside heat-fusing glue layer that described outside heat-fusing glue layer adopts maleic anhydride grafted polyethylene to make.
7. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 1, is characterized in that, is provided with an inner heat-fusing glue layer between described metal layer and described internal layer, the inside heat-fusing glue layer that described inner heat-fusing glue layer adopts modified polypropene to make.
8. high temperature resistant explosion-proof plastic-aluminum PP-R pipe according to claim 7, is characterized in that, the inside heat-fusing glue layer that described inner heat-fusing glue layer adopts maleic anhydride inoculated polypropylene to make.
9. according to the high temperature resistant explosion-proof plastic-aluminum PP-R pipe described in claim 7 or 8, it is characterized in that, the thickness of described inner heat-fusing glue layer is 0.3mm-0.5mm.
10. according to the high temperature resistant explosion-proof plastic-aluminum PP-R pipe described in claim 5 or 6, it is characterized in that, the thickness of described outside heat-fusing glue layer is 0.3mm-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220385.8U CN203927106U (en) | 2014-04-30 | 2014-04-30 | High temperature resistant explosion-proof plastic-aluminum PP-R pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220385.8U CN203927106U (en) | 2014-04-30 | 2014-04-30 | High temperature resistant explosion-proof plastic-aluminum PP-R pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927106U true CN203927106U (en) | 2014-11-05 |
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ID=51822917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220385.8U Expired - Fee Related CN203927106U (en) | 2014-04-30 | 2014-04-30 | High temperature resistant explosion-proof plastic-aluminum PP-R pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203927106U (en) |
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2014
- 2014-04-30 CN CN201420220385.8U patent/CN203927106U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190430 |