CN204573352U - A kind of thermal insulation pipe - Google Patents
A kind of thermal insulation pipe Download PDFInfo
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- CN204573352U CN204573352U CN201520203489.2U CN201520203489U CN204573352U CN 204573352 U CN204573352 U CN 204573352U CN 201520203489 U CN201520203489 U CN 201520203489U CN 204573352 U CN204573352 U CN 204573352U
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- bellows
- thermal insulation
- outer tube
- insulation pipe
- interior pipe
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Abstract
The utility model discloses a kind of thermal insulation pipe, belong to fluid delivery tube field.Described thermal insulation pipe adopts plastic materials to make, described thermal insulation pipe from outside to inside comprise outer tube, bellows and interior pipe, described outer tube is coated on described bellows, and form the first confined space between described bellows and described outer tube, described interior pipe inserts in described bellows, be equipped with Sealing in the groove that described bellows two ends contact with described interior pipe, make described bellows and described interior pipe form the second confined space by described Sealing.The utility model adopts plastic materials to make, there is uncorruptible feature, extend working life, by interior pipe conveying fluid, form physical support by bellows and outer tube, increase ring stiffness, have the advantages that voltage endurance capability is good, form two airtight air structures by the first confined space and the second confined space, there is the feature of high insulating effect.
Description
Technical field
The utility model relates to fluid delivery tube field, particularly a kind of thermal insulation pipe.
Background technique
Fluid delivery tube is the pipeline for carrying the fluids such as water, oil, gas, in engineering and main equipment, mainly carry the pipeline of fluid.Be illustrated for heating network below:
China's heating network is based on steel pipe, and steel pipe easily causes corrosion, generally uses 5 ~ 8 years steel pipe network meeting heavy corrosions, causes the pressure loss serious, need to change in time, cause engineering cost to increase.
And the State Council Board of Managing Directors on July 31 in 2013 specify that strengthen urban infrastructure construction six in major tasks, for supplying " short slab " in urban development, determine 2015, complete 80,000 kilometers of city gases and the old pipe network improving task of nearly 100,000 kilometers of northern heating central heatings.Therefore heating network also exists serious old problem at present.
Model utility content
Perishable in order to solve prior art steel pipeline, cause the problem that working life is short, the utility model embodiment provides a kind of thermal insulation pipe.Described technological scheme is as follows:
A kind of thermal insulation pipe, described thermal insulation pipe adopts plastic materials to make, described thermal insulation pipe from outside to inside comprise outer tube, bellows and interior pipe, described outer tube is coated on described bellows, and form the first confined space between described bellows and described outer tube, described interior pipe inserts in described bellows, is equipped with Sealing in the groove that described bellows two ends contact with described interior pipe, makes described bellows and described interior pipe form the second confined space by described Sealing.
Particularly, described bellows and described outer tube the selection of material have blending.
Particularly, described outer tube and described bellows are made by the polypropylene material of plateau modulus.
Particularly, described interior pipe is made up of heat-proof polythene II shaped material.
Particularly, described Sealing is foaming flexible rubber-plastic seal ring.
Particularly, described Sealing is foaming flexible rubber-plastic Stamping Steel Ribbon.
Particularly, described Sealing is the polyurethane foam of perfusion.
Particularly, described bellows cross section is square profile of tooth.
The beneficial effect that the technological scheme that the utility model embodiment provides is brought is:
Thermal insulation pipe described in the utility model adopts plastic materials to make, there is uncorruptible feature, extend the working life of described thermal insulation pipe, by interior pipe conveying fluid, form physical support by bellows and outer tube, increase ring stiffness, have the advantages that voltage endurance capability is good, form two airtight air structures by the first confined space and the second confined space, there is the feature of high insulating effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of the thermal insulation pipe that the utility model embodiment provides.
In figure, each symbol represents that implication is as follows:
1 outer tube,
2 bellowss, 21 grooves,
Pipe in 3,
4 Sealings,
5 first confined spaces,
6 second confined spaces.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model mode of execution is described in further detail.
As shown in Figure 1, the utility model provides a kind of thermal insulation pipe, described thermal insulation pipe adopts plastic materials to make, described thermal insulation pipe from outside to inside comprise outer tube 1, bellows 2 and interior pipe 3, described outer tube 1 is coated on described bellows 2, and form the first confined space 5 between described bellows 2 and described outer tube 1, described interior pipe 3 inserts in described bellows 2, be equipped with Sealing 4 in the groove 21 that described bellows 2 two ends contact with described interior pipe 3, make described bellows 2 form the second confined space 6 with described interior pipe 3 by described Sealing 4.
Wherein, the first confined space 5 specifically refers to that the space that bellows 2 groove 21 and outer tube 1 are formed, the second confined space 6 specifically refer to the space that bellows 2 groove 21 and interior pipe 3 are formed.
Thermal insulation pipe described in the utility model adopts plastic materials to make, there is uncorruptible feature, extend the working life of described thermal insulation pipe, fluid is carried by interior pipe 3, physical support is formed by bellows 2 and outer tube 1, increase ring stiffness, have the advantages that voltage endurance capability is good, by Sealing 4, play the function of the heat exchange of sealing and the generation of minimizing cross-ventilation, two airtight air structures are formed by the first confined space 5 and the second confined space 6, air in the middle of utilizing is as thermal-protective coating, because the thermal conductivity of air is lower, heat transfer form is mainly convection current transmission and radiation transfer, so form airtight thermal-protective coating, prevent heat transfer by convection, there is the feature of high insulating effect.
Particularly, described bellows 2 has blending with described outer tube 1 the selection of material.By said structure, be convenient to the coated production of co-extrusion outer.
Particularly, described outer tube 1 and described bellows 2 are made by polypropylene (PP-HM) material of plateau modulus.Plateau modulus polypropylene is heavy caliber drain pipe 1000 ~ 3500mm PP Pipe Compound, plays support and indeformable effect, and polyacrylic thermal conductivity ratio is poly lower simultaneously, is conducive to better preventing thermal loss.
Particularly, described interior pipe 3 is made up of heat-proof polythene II type (PE-RT II) material.By above-mentioned selection, the hot water making described interior pipe 3 can carry 50 ~ 85 DEG C, makes described thermal insulation pipe have function that is heat-resisting, insulation, makes described thermal insulation pipe be specially adapted to heat supply pipeline.
Particularly, described Sealing 4 is foaming flexible rubber-plastic seal ring.By said structure, play the heat exchange action of sealing and the generation of minimizing cross-ventilation.
Particularly, described Sealing 4 is foaming flexible rubber-plastic Stamping Steel Ribbon.By said structure, play the heat exchange action of sealing and the generation of minimizing cross-ventilation.
Particularly, described Sealing 4 is the polyurethane foam of perfusion.By said structure, not only play the seal action between bellows 2 and interior pipe 3, interior pipe 3 can also be fixed together with bellows 2, make structure more reliable.
During concrete enforcement, by arranging aperture on outer tube 1, pour into polyurethane foam by aperture.
Particularly, described bellows 2 cross section is square profile of tooth.By said structure, good heat insulation effect can be formed.
Manufacture process of the present utility model:
1. produce interior pipe 3 with real ancient piece of jade, round, flat and with a hole in its centre pipe production line, such as PE-RT I I tubing;
2. produce bellows 2 with bellows 2 material production line, the coated production clad of co-extrusion and outer tube 1 again after shaping;
3. in bellows 2, inlay flexible foamed Stamping Steel Ribbon and Sealing 4, PE-RT I I tubing and interior pipe 3 are interted into bellows 2 and has combined.Or first PE-RT I I tubing i.e. interior pipe 3 is interted into bellows 2, then on clad and outer tube 1, open aperture for polyurethane foam of casting.
4. the scene that is connected to of thermal insulation pipe adopts hot-melt adhesive paste or electric fusion welding, then coated thermal insulating material, then extrudes welding with shrink belt or parcel.
The product gone out by above-mentioned explained hereafter is mainly for the secondary heat distribution pipe network after heat exchange station, and water temperature is less than 85 DEG C, and visible thermal insulation pipe described in the utility model has the advantage of anticorrosion, insulation, high strength and long service life.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a thermal insulation pipe, it is characterized in that, described thermal insulation pipe adopts plastic materials to make, described thermal insulation pipe from outside to inside comprise outer tube, bellows and interior pipe, described outer tube is coated on described bellows, and forms the first confined space between described bellows and described outer tube, and described interior pipe inserts in described bellows, be equipped with Sealing in the groove that described bellows two ends contact with described interior pipe, make described bellows and described interior pipe form the second confined space by described Sealing.
2. thermal insulation pipe according to claim 1, is characterized in that, described bellows and described outer tube the selection of material have blending.
3. thermal insulation pipe according to claim 1, is characterized in that, described outer tube and described bellows are made by the polypropylene material of plateau modulus.
4. thermal insulation pipe according to claim 1, is characterized in that, described interior pipe is made up of heat-proof polythene I I shaped material.
5. thermal insulation pipe according to claim 1, is characterized in that, described Sealing is foaming flexible rubber-plastic seal ring.
6. thermal insulation pipe according to claim 1, is characterized in that, described Sealing is foaming flexible rubber-plastic Stamping Steel Ribbon.
7. thermal insulation pipe according to claim 1, is characterized in that, described Sealing is the polyurethane foam of perfusion.
8. the thermal insulation pipe according to any one of claim 1-7 claim, is characterized in that, described bellows cross section is square profile of tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203489.2U CN204573352U (en) | 2015-04-07 | 2015-04-07 | A kind of thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203489.2U CN204573352U (en) | 2015-04-07 | 2015-04-07 | A kind of thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573352U true CN204573352U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520203489.2U Active CN204573352U (en) | 2015-04-07 | 2015-04-07 | A kind of thermal insulation pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN204573352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548054A (en) * | 2018-06-13 | 2018-09-18 | 国电龙源节能技术有限公司 | The adiabatic heat-insulation device of heat distribution pipeline |
| WO2021212525A1 (en) * | 2020-04-23 | 2021-10-28 | 淄博金洋达塑业有限公司 | Hdpe hollow wall composite multi-rib reinforced coil pipe |
| CN114776895A (en) * | 2022-04-06 | 2022-07-22 | 贵州国塑科技管业有限责任公司 | High-strength H-CPVC heat-resistant sewage pressure pipe |
-
2015
- 2015-04-07 CN CN201520203489.2U patent/CN204573352U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548054A (en) * | 2018-06-13 | 2018-09-18 | 国电龙源节能技术有限公司 | The adiabatic heat-insulation device of heat distribution pipeline |
| CN108548054B (en) * | 2018-06-13 | 2023-11-03 | 国能龙源蓝天节能技术有限公司 | Heat insulation device of heating pipeline |
| WO2021212525A1 (en) * | 2020-04-23 | 2021-10-28 | 淄博金洋达塑业有限公司 | Hdpe hollow wall composite multi-rib reinforced coil pipe |
| CN114776895A (en) * | 2022-04-06 | 2022-07-22 | 贵州国塑科技管业有限责任公司 | High-strength H-CPVC heat-resistant sewage pressure pipe |
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| GR01 | Patent grant |