CN204459497U - A kind of PE fuel tube - Google Patents
A kind of PE fuel tube Download PDFInfo
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- CN204459497U CN204459497U CN201520060465.6U CN201520060465U CN204459497U CN 204459497 U CN204459497 U CN 204459497U CN 201520060465 U CN201520060465 U CN 201520060465U CN 204459497 U CN204459497 U CN 204459497U
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- polyethylene
- fuel tube
- thermal insulation
- vibration damping
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Abstract
The utility model discloses a kind of PE fuel tube, comprise the polyethylene layer, reinforced layer, vibration damping layer, thermal insulation layer and the wearing layer that set gradually from inside to outside, wherein: polyethylene layer, it is cylindrical-shaped structure, the hollow space of fuel gas flow is provided with in described polyethylene layer, the inwall of described polyethylene layer is axially arranged with many helical rib along described PE fuel tube, and described polyethylene layer material is medium density polyethylene; Reinforced layer, it is positive six prism structures, and described reinforced layer material is high density polyethylene (HDPE); Vibration damping layer, it is cylindrical-shaped structure, and described vibration damping layer material is damping material; Thermal insulation layer, it is cylindrical-shaped structure, and described thermal insulation layer material is thermal insulating material; And wearing layer, it is cylindrical-shaped structure, and described thermal insulation layer material is high-abrasive material.The utility model can transport combustion gas safely and effectively, has the advantages such as powerful compressive strength, good sanitation performance, decay resistance, resistance to low temperature, anti-seismic performance and disinsectization performance.
Description
Technical field
The utility model relates to gas pipeline equipment, particularly a kind of PE fuel tube.
Background technique
Along with the development in city, cities and towns Infrastructure, environmental protection facility construction and dwelling construction increase very fast, and the buried equipment consumption for fuel gas pipeline is increasing.PE gas pipeline is polyvinyl fuel gas pipeline, is a kind of novel tube of transport gas, artificial coal gas, liquefied petroleum gas (LPG).There is the advantages such as connection is reliable, low temperature thermal impact, anti-stress cracking are good, chemical resistance is good, ageing-resistant, convenient in carrying.
But at present the demand of large diameter pipeline increases greatly, and pure PE pipeline, because of ensureing SDR11 pressure rating, only has increase wall thickness, high with oil price, and polyethylene raw material price is but climbed to a higher point successively, how to balance cost and compression resistance is an individual difficult problem.And existing PE gas pipeline is individual layer pipeline, may exist compressive strength not high, be subject to the defects such as climatic impact, noise be large.
Model utility content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of PE fuel tube, can transport combustion gas safely and effectively, has the advantages such as powerful compressive strength, good sanitation performance, decay resistance, resistance to low temperature, anti-seismic performance and disinsectization performance.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of PE fuel tube, comprise the polyethylene layer, reinforced layer, vibration damping layer, thermal insulation layer and the wearing layer that set gradually from inside to outside, wherein:
Polyethylene layer, it is cylindrical-shaped structure, the hollow space of fuel gas flow is provided with in described polyethylene layer, the wall thickness of described polyethylene layer is 2.5-3.2mm, described polyethylene layer material is medium density polyethylene, and the inwall of described polyethylene layer is axially arranged with many helical rib, for any fin along described PE fuel tube, the pitch of described fin is 50-80cm, and the thickness of described fin is 0.2-0.4mm;
Reinforced layer, it is positive six prism structures, is provided with the hollow space holding described polyethylene layer in described reinforced layer, and the thickness of described reinforced layer is 1.2-1.6mm, and described reinforced layer material is high density polyethylene (HDPE);
Vibration damping layer, it is cylindrical-shaped structure, is provided with the hollow space holding described reinforced layer in described vibration damping layer, and the thickness of described vibration damping layer is 5.0-6.5mm, and described vibration damping layer material is damping material;
Thermal insulation layer, it is cylindrical-shaped structure, is provided with the hollow space holding described vibration damping layer in described thermal insulation layer, and the thickness of described thermal insulation layer is 2.2-2.8mm, and described thermal insulation layer material is thermal insulating material; And
Wearing layer, it is cylindrical-shaped structure, is provided with the hollow space holding described thermal insulation layer in described wearing layer, and the thickness of described wearing layer is 4.0-4.5mm, and described wearing layer material is high-abrasive material.
Preferably, described PE fuel tube, described wearing layer outer wall scribbles insect-repelling paint.
Preferably, described PE fuel tube, the density of described medium density polyethylene is 0.929g/cm
3.
Preferably, described PE fuel tube, the density of described high density polyethylene (HDPE) is 0.967g/cm
3.
Preferably, described PE fuel tube, described damping material is nitrile butadiene rubber or silicone rubber.
Preferably, described PE fuel tube, described thermal insulating material is polyurethane foam or phenol formaldehyde foam.
Preferably, described PE fuel tube, described high-abrasive material is aluminium oxide wear-resistant ceramic or silicon carbide.
The utility model at least comprises following beneficial effect:
The first, PE fuel tube is designed to internal layer and adopts conventional polyethylene layer, the multi-layer structure of coated reinforced layer, vibration damping layer, thermal insulation layer and wearing layer successively, well arranged, the division of labor is clear and definite, while the impact resistance that ensure that fuel tube and intensity, has vibration damping, insulation, wear-resisting performance;
The second, internal layer adopts avirulent, medium density polyethylene material layer without layer of scale, good sanitation performance is ensure that compared to high-density polyethylene material, wall thickness is that 2.5-3.2mm ensure that impact strength, meet the standard of GB to gas pipeline, inwall is provided with helical rib, thickness is that 0.2-0.4mm both had guiding function to fuel gas flow, in turn enhance the intensity of polyethylene layer, pitch is the cutting that 50-80cm is convenient to PE gas pipeline, it also avoid the mobility of the overstocked obstruction fuel gas flow caused of pitch;
Three, the reinforced layer of the better high-density polyethylene material composition of, mechanical property large at polyethylene layer outer cladding molecular weight, strengthen the shock resistance of pipeline, cracking resistance intensity, raw material are saved while the structure of positive six prisms adds the thickness of polythene material, the thickness of 1.2-1.6mm can either meet the protection of the intensity to inner layer pipe, also balances cost;
Four, at reinforced layer outer cladding vibration damping layer, reduce the vibrations of pipeline and noise, nitrile butadiene rubber or silicone rubber have good processibility, the anti seismic efficiency that the thickness of 5.0-6.5mm ensure that, are also unlikely to that coated thickness is excessive is not easy to assembling;
Five, at reinforced layer outer cladding thermal insulation layer, avoid the impact of low temperature environment on pipeline transport combustion gas, solve the problem of damping material layer poor performance at low temperatures, polyurethane foam or phenol formaldehyde foam have lightweight, nontoxic, the non-shrinking performance of low temperature environment, the insulation that the thickness of 2.2-2.8mm has had, vapour resistant osmotic effect;
Six, at thermal insulation layer outer cladding wearing layer, protective conduit material, extend pipeline life, be convenient to the construction of buried pipeline, aluminium oxide wear-resistant ceramic density is large, hardness is high, silicon carbide wear-resisting property is good, also have fire-proof function, the wear-resisting property that the thickness of 4.0-4.5mm has had, and lightweight, balances cost;
Seven, scribble insect-repelling paint at wearing layer outer wall, can effectively prevent stinging of the insect pest such as termite, mouse from biting and seeking connections with, protective conduit, anthelminthic effect is good.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of PE fuel tube described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 shows a kind of way of realization of the present utility model, a kind of PE fuel tube, comprises the polyethylene layer 1, reinforced layer 2, vibration damping layer 3, thermal insulation layer 4 and the wearing layer 5 that set gradually from inside to outside, wherein:
Polyethylene layer 1, it is cylindrical-shaped structure, the hollow space of fuel gas flow is provided with in described polyethylene layer 1, the wall thickness of described polyethylene layer 1 is 2.5-3.2mm, ensure that impact strength, meet the standard of GB to gas pipeline, described polyethylene layer 1 material is medium density polyethylene, avirulent, without layer of scale, good sanitation performance is ensure that compared to high-density polyethylene material, the inwall of described polyethylene layer 1 is axially arranged with many helical rib along described PE fuel tube, both to fuel gas flow, there is guiding function, in turn enhance the intensity of polyethylene layer 1, for any fin, the pitch of described fin is 50-80cm, the thickness of described fin is 0.2-0.4mm, be convenient to the cutting of PE gas pipeline, it also avoid the mobility of the overstocked obstruction fuel gas flow caused of pitch,
Reinforced layer 2, it is positive six prism structures, raw material are saved while adding the thickness of polythene material, be provided with the hollow space holding described polyethylene layer 1 in described reinforced layer 2, the thickness of described reinforced layer 2 is 1.2-1.6mm, can either meet the protection of the intensity to inner layer pipe, also cost is balanced, described reinforced layer 2 material is high density polyethylene (HDPE), and molecular weight is large, mechanical property is better, strengthens the shock resistance of pipeline, cracking resistance intensity;
Vibration damping layer 3, it is cylindrical-shaped structure, the hollow space holding described reinforced layer 2 is provided with in described vibration damping layer 3, the thickness of described vibration damping layer 3 is 5.0-6.5mm, the anti seismic efficiency that ensure that, also be unlikely to excessive being not easy to of coated thickness to assemble, described vibration damping layer 3 material is damping material, reduces vibrations and the noise of pipeline;
Thermal insulation layer 4, it is cylindrical-shaped structure, the hollow space holding described vibration damping layer 3 is provided with in described thermal insulation layer 4, the thickness of described thermal insulation layer 4 is 2.2-2.8mm, the insulation had, vapour resistant osmotic effect, described thermal insulation layer 4 material is thermal insulating material, avoids the impact of low temperature environment on pipeline transport combustion gas, solves the problem of vibration damping layer 3 material at low temperature poor performance; And
Wearing layer 5; it is cylindrical-shaped structure; the hollow space holding described thermal insulation layer 4 is provided with in described wearing layer 5; the thickness of described wearing layer 5 is 4.0-4.5mm, the wear-resisting property had, and lightweight, balances cost; described wearing layer 5 material is high-abrasive material; protective conduit material, extends pipeline life, is convenient to the construction of buried pipeline.
In this technological scheme, PE fuel tube is designed to internal layer and adopts conventional polyethylene layer 1, the multi-layer structure of coated reinforced layer 2, vibration damping layer 3, thermal insulation layer 4 and wearing layer 5 successively, well arranged, the division of labor is clear and definite, while the impact resistance that ensure that fuel tube and intensity, there is vibration damping, insulation, wear-resisting performance.
In another embodiment, described PE fuel tube, described wearing layer 5 outer wall scribbles insect-repelling paint, and can effectively prevent stinging of the insect pest such as termite, mouse from biting and seeking connections with, protective conduit, anthelminthic effect is good.
In such scheme, described PE fuel tube, the density of described medium density polyethylene is 0.929g/cm
3.
In such scheme, described PE fuel tube, the density of described high density polyethylene (HDPE) is 0.967g/cm
3.
In another embodiment, described PE fuel tube, described damping material is nitrile butadiene rubber or silicone rubber, has good processibility.
In another embodiment, described PE fuel tube, described thermal insulating material is polyurethane foam or phenol formaldehyde foam, has lightweight, nontoxic, the non-shrinking performance of low temperature environment.
In another embodiment, described PE fuel tube, described high-abrasive material is aluminium oxide wear-resistant ceramic or silicon carbide, and aluminium oxide wear-resistant ceramic density is large, hardness is high, and silicon carbide wear-resisting property is good, also have fire-proof function.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and mode of execution utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a PE fuel tube, is characterized in that, comprises the polyethylene layer, reinforced layer, vibration damping layer, thermal insulation layer and the wearing layer that set gradually from inside to outside, wherein:
Polyethylene layer, it is cylindrical-shaped structure, the hollow space of fuel gas flow is provided with in described polyethylene layer, the wall thickness of described polyethylene layer is 2.5-3.2mm, described polyethylene layer material is medium density polyethylene, and the inwall of described polyethylene layer is axially arranged with many helical rib, for any fin along described PE fuel tube, the pitch of described fin is 50-80cm, and the thickness of described fin is 0.2-0.4mm;
Reinforced layer, it is positive six prism structures, is provided with the hollow space holding described polyethylene layer in described reinforced layer, and the thickness of described reinforced layer is 1.2-1.6mm, and described reinforced layer material is high density polyethylene (HDPE);
Vibration damping layer, it is cylindrical-shaped structure, is provided with the hollow space holding described reinforced layer in described vibration damping layer, and the thickness of described vibration damping layer is 5.0-6.5mm, and described vibration damping layer material is damping material;
Thermal insulation layer, it is cylindrical-shaped structure, is provided with the hollow space holding described vibration damping layer in described thermal insulation layer, and the thickness of described thermal insulation layer is 2.2-2.8mm, and described thermal insulation layer material is thermal insulating material; And
Wearing layer, it is cylindrical-shaped structure, is provided with the hollow space holding described thermal insulation layer in described wearing layer, and the thickness of described wearing layer is 4.0-4.5mm, and described wearing layer material is high-abrasive material.
2. PE fuel tube as claimed in claim 1, it is characterized in that, described wearing layer outer wall scribbles insect-repelling paint.
3. PE fuel tube as claimed in claim 2, it is characterized in that, the density of described medium density polyethylene is 0.929g/cm
3.
4. PE fuel tube as claimed in claim 3, it is characterized in that, the density of described high density polyethylene (HDPE) is 0.967g/cm
3.
5. PE fuel tube as claimed in claim 4, it is characterized in that, described damping material is nitrile butadiene rubber or silicone rubber.
6. PE fuel tube as claimed in claim 5, it is characterized in that, described thermal insulating material is polyurethane foam or phenol formaldehyde foam.
7. PE fuel tube as claimed in claim 6, it is characterized in that, described high-abrasive material is aluminium oxide wear-resistant ceramic or silicon carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060465.6U CN204459497U (en) | 2015-01-28 | 2015-01-28 | A kind of PE fuel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060465.6U CN204459497U (en) | 2015-01-28 | 2015-01-28 | A kind of PE fuel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459497U true CN204459497U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520060465.6U Expired - Fee Related CN204459497U (en) | 2015-01-28 | 2015-01-28 | A kind of PE fuel tube |
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| Country | Link |
|---|---|
| CN (1) | CN204459497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120475A (en) * | 2017-05-12 | 2017-09-01 | 成都金玉雄辉建筑工程有限公司 | Six rib formula jacking pipe structures |
-
2015
- 2015-01-28 CN CN201520060465.6U patent/CN204459497U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120475A (en) * | 2017-05-12 | 2017-09-01 | 成都金玉雄辉建筑工程有限公司 | Six rib formula jacking pipe structures |
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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: 20150708 Termination date: 20210128 |