CN203784482U - Anti-deformation thermal-insulation pipe - Google Patents
Anti-deformation thermal-insulation pipe Download PDFInfo
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- CN203784482U CN203784482U CN201420153349.4U CN201420153349U CN203784482U CN 203784482 U CN203784482 U CN 203784482U CN 201420153349 U CN201420153349 U CN 201420153349U CN 203784482 U CN203784482 U CN 203784482U
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- thermal insulation
- resistance
- deformation
- semi
- annular groove
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Abstract
The utility model provides an anti-deformation thermal-insulation pipe comprising an anti-deformation thermal-insulation pipe body. The anti-deformation thermal-insulation pipe comprises an inner steel pipe, a thermal-insulation layer, an outer steel pipe, a semi-annular holding frame and rolling balls. The rolling balls are mounted to the inner annular surface and the outer annular surface of the semi-annular holding frame and are movably connected with the holding frame. The outer surface of the thermal-insulation layer is provided with an annular groove. The internal diameter of the annular groove is corresponding to the inner annular surface of the semi-annular holding frame and the outer annular surface of the semi-annular holding frame is corresponding to the internal diameter of the outer steel pipe. The semi-annular holding frame is mounted in the annular groove and slides in the annular groove. The problems of short service life and unstable thermal insulation effect of the conventional large-diameter heat transfer pipelines are solved. More stable support is provided in the thermal-insulation pipe, the anti-deformation capability of the pipe body is improved, the service life of the thermal-insulation pipe is prolonged, and the using cost and the maintenance cost of the whole heat transfer pipe are reduced.
Description
Technical field
The utility model relates to heat distribution pipeline transmission and production technical field, relates in particular to resistance to deformation thermal insulation pipe.
Background technique
Heating pipeline is applied in heating power heating and production process, and existing heating power transfer line, according to different heating requirements, adopts dissimilar thermo-insulating pipe line to realize.Existing thermo-insulating pipe line is when implementing, conventionally adopt underground preburied mode to realize, in the using process of thermo-insulating pipe line, particularly in the using process in the larger thermo-insulating pipe line of latus rectum, " internal and external layer " insulating structure due to thermal insulation pipe, and the extruding of upper strata landfill material to outer tube wall, very easily cause the distortion of thermal insulation pipe base insulating layer, external pipe can produce substantial deviation with respect to the position of inner tube, therefore, make to be incubated Quality Down, the thermal insulation pipe life-span reduces.For above-mentioned situation, in prior art, adopted on thermal insulation pipe both sides, the mode that internal and external layer pipe is welded solves, but this method is in implementation process, on the one hand, due to the two ends that are supported on thermal insulation pipe of thermal insulation pipe, therefore,, while using for a long time, easily cause central region distortion.On the other hand, because the area of the fixing welding in two ends is less, again because thermal insulation pipe is under perishable environment for a long time, therefore, the situation such as very easily there is snapping.Therefore, in use, thermal insulation layer is yielding, heat insulation effect is poor at the long-term rear stability that uses, and makes maintenance and user cost increase for existing heavy caliber thermal insulation pipe.
Model utility content
The purpose of this utility model is to provide resistance to deformation thermal insulation pipe, has solved low, the unsettled problem of heat insulation effect in existing heavy caliber heating power transfer line working life.
In order to achieve the above object, the utility model provides following technological scheme: resistance to deformation thermal insulation pipe of the present utility model, comprise: interior steel pipe, thermal insulation layer and outer steel pipe, described thermal insulation layer is fixedly connected between described interior steel pipe and described outer steel pipe, wherein, also comprise: semi-circular support and ball, described ball is assemblied on the inner ring surface and outer ring surface of described semi-circular support, be flexibly connected with described support, the outer surface of described thermal insulation layer is offered annular groove, the inner ring surface of the internal diameter of described annular groove and described semi-circular support is corresponding, the outer ring surface of described semi-ring support is corresponding with the internal diameter of described outer steel pipe, described semi-ring support is assemblied in described annular groove, in described annular groove, slide.
A kind of preferred embodiment in, the material of described thermal insulation layer is polyurethane material.
A kind of preferred embodiment in, described ball comprises: spherical ball and cylindricality ball.
A kind of preferred embodiment in, the bottom of described annular groove is arc, the radian of this arc and described ball is corresponding.
A kind of preferred embodiment in, the groove width of described annular groove is 20～30mm, groove depth is 10～15mm.
A kind of preferred embodiment in, in described annular groove, offer through hole, filled polystyrene plastic foam particle in described through hole.
A kind of preferred embodiment in, the diameter of described polystyrene plastics foam beads is φ 10mm～φ 20mm.
A kind of preferred embodiment in, also comprise: aluminium foil reflecting layer, described aluminium foil reflecting layer is fixedly connected with the outer surface of described thermal insulation layer.
A kind of preferred embodiment in, also comprise, external anti-corrosion layer, described external anti-corrosion layer is fixedly connected with the outer surface of described outer steel pipe.
A kind of preferred embodiment in, described semi-circular support and ball material are stainless steel material.
Beneficial effect of the present utility model is: the utility model is by arranging supporting frame between the internal and external layer steel pipe at thermal insulation pipe, thereby in thermal insulation pipe inside, provide more stable support, improved the non-deformability of body, extend the working life of thermal insulation pipe, reduced use and the maintenance cost of whole heating power transport tube.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cross-sectional structure schematic diagram of resistance to deformation thermal insulation pipe in a kind of mode of execution of the present utility model;
Fig. 2 is the vertical face structural representation of resistance to deformation thermal insulation pipe in a kind of mode of execution of the present utility model;
Fig. 3 is the vertical face structural representation of resistance to deformation thermal insulation pipe in another kind of mode of execution of the present utility model;
Fig. 4 is the partial structurtes schematic diagram of resistance to deformation thermal insulation pipe in a kind of mode of execution of the present utility model;
Fig. 5 is the partial structurtes schematic diagram of resistance to deformation thermal insulation pipe in another kind of mode of execution of the present utility model;
Fig. 6 is the cross-sectional structure schematic diagram of resistance to deformation thermal insulation pipe in another mode of execution of the present utility model.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with 1～6 pair of embodiment of the present utility model of accompanying drawing, be described further.
Shown in Fig. 1,2, in a kind of mode of execution of the present utility model, resistance to deformation thermal insulation pipe comprises: interior steel pipe 10, thermal insulation layer 20 and outer steel pipe 30.Thermal insulation layer 20 is fixedly filled between interior steel pipe 10 and outer steel pipe 30.At the outer surface of thermal insulation layer 20, offer annular groove 21, mounted inside semi-circular support 40 at annular groove 21, this semi-circular support 40 comprises, inner ring surface 41 and outer ring surface 42, on the inner ring surface 41 and outer ring surface 42 of this semi-circular support 40, be flexibly connected ball 50 by coupling shaft, the inner ring surface 41 of the internal diameter of annular groove 21 and semi-circular support 40 is corresponding, the outer ring surface 42 of semi-ring support 40 is corresponding with the internal diameter of outer steel pipe 30, and semi-ring support 40 is assemblied in annular groove 21, in the interior slip of annular groove 21.Therefore, resistance to deformation thermal insulation pipe in the utility model, after assembling, semi-circular support 40 bottom in resistance to deformation thermal insulation pipe always under the effect of gravity, in use, ball 50 contacts with inner ring surface 41, to supporting by steel pipe 10 in 20 pairs of thermal insulation layers, thereby at interior steel pipe 10 and 30 of outer steel pipes, formed good inner support, improved the resistance to deformation power of thermal insulation pipe, extended the working life of thermal insulation pipe.As a kind of preferred version of the present utility model, the material of thermal insulation layer 20 can be preferably polyurethane material.Its ball 50 can, according to the increase of outer outer diameter of steel pipes, be selected spherical ball and two kinds of modes of cylindricality ball (shown in Fig. 3).The external diameter of above-mentioned outer steel pipe can select the above caliber of φ 400mm to implement.The groove width of annular groove 21 is preferably 20～30mm, and groove depth is 10～15mm.Above-mentioned semi-circular support 40 and ball 50 materials can be preferably stainless steel material.
In order to make resistance to deformation thermal insulation pipe in the utility model, reliability is higher in force, and in a kind of mode of execution of the present utility model, as shown in Figure 4, the bottom of annular groove 21 is arc, and the radian of this arc and ball 50 is corresponding.Thereby be more convenient for the slip of semi-circular support 40 in annular groove.
For making resistance to deformation thermal insulation pipe in the utility model in force, can possess better corrosion resistance, be difficult for causing the retention of internal moisture, as shown in Figure 5, in a kind of mode of execution of the present utility model, in annular groove 21, also offer through hole 22, filled polystyrene plastic foam particle 23 in through hole.The diameter of its polystyrene plastics foam beads can be preferably φ 10mm～φ 20mm.
For make resistance to deformation thermal insulation pipe in the utility model in use heat insulation effect improve, in a kind of mode of execution of the present utility model, as shown in Figure 6, at the outer surface of thermal insulation layer 20, be also fixedly connected with aluminium foil reflecting layer 60.The outer surface of steel pipe 30 is also fixedly connected with external anti-corrosion layer 70 outside.Thereby the anti-corrosive properties that increased thermal insulation pipe, have improved serviceability.
Hence one can see that, of the present utility model by supporting frame being set between the internal and external layer steel pipe at thermal insulation pipe, thereby in thermal insulation pipe inside, provide more stable support, improved the non-deformability of body, extend the working life of thermal insulation pipe, reduced use and the maintenance cost of whole heating power transport tube.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by the described protection domain with claim.
Claims (10)
1. resistance to deformation thermal insulation pipe, comprise: interior steel pipe, thermal insulation layer and outer steel pipe, described thermal insulation layer is fixedly connected between described interior steel pipe and described outer steel pipe, it is characterized in that, also comprise: semi-circular support and ball, described ball is assemblied on the inner ring surface and outer ring surface of described semi-circular support, be flexibly connected with described support, the outer surface of described thermal insulation layer is offered annular groove, the inner ring surface of the internal diameter of described annular groove and described semi-circular support is corresponding, the outer ring surface of described semi-ring support is corresponding with the internal diameter of described outer steel pipe, described semi-ring support is assemblied in described annular groove, in described annular groove, slide.
2. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, the material of described thermal insulation layer is polyurethane material.
3. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, described ball comprises: spherical ball and cylindricality ball.
4. according to the resistance to deformation thermal insulation pipe described in claim 2 or 3, it is characterized in that, the bottom of described annular groove is arc, and the radian of this arc and described ball is corresponding.
5. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, the groove width of described annular groove is 20～30mm, and groove depth is 10～15mm.
6. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, in described annular groove, offers through hole, filled polystyrene plastic foam particle in described through hole.
7. resistance to deformation thermal insulation pipe according to claim 6, is characterized in that, the diameter of described polystyrene plastics foam beads is φ 10mm～φ 20mm.
8. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, also comprises: aluminium foil reflecting layer, described aluminium foil reflecting layer is fixedly connected with the outer surface of described thermal insulation layer.
9. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, also comprise, and external anti-corrosion layer, described external anti-corrosion layer is fixedly connected with the outer surface of described outer steel pipe.
10. resistance to deformation thermal insulation pipe according to claim 1, is characterized in that, described semi-circular support and ball material are stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153349.4U CN203784482U (en) | 2014-03-31 | 2014-03-31 | Anti-deformation thermal-insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153349.4U CN203784482U (en) | 2014-03-31 | 2014-03-31 | Anti-deformation thermal-insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784482U true CN203784482U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153349.4U Expired - Fee Related CN203784482U (en) | 2014-03-31 | 2014-03-31 | Anti-deformation thermal-insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042200A (en) * | 2015-09-02 | 2015-11-11 | 中国重型机械研究院股份公司 | End supporting piece of liner pipe |
| CN107676552A (en) * | 2017-09-26 | 2018-02-09 | 无锡康柏斯机械科技有限公司 | It is lined with the pipeline of glass reinforced plastic pipe |
| CN109973762A (en) * | 2019-03-08 | 2019-07-05 | 浙江大学 | A kind of heat distribution pipeline heat preservation reinforced structure and heat preserving method |
-
2014
- 2014-03-31 CN CN201420153349.4U patent/CN203784482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042200A (en) * | 2015-09-02 | 2015-11-11 | 中国重型机械研究院股份公司 | End supporting piece of liner pipe |
| CN107676552A (en) * | 2017-09-26 | 2018-02-09 | 无锡康柏斯机械科技有限公司 | It is lined with the pipeline of glass reinforced plastic pipe |
| CN109973762A (en) * | 2019-03-08 | 2019-07-05 | 浙江大学 | A kind of heat distribution pipeline heat preservation reinforced structure and heat preserving method |
| CN109973762B (en) * | 2019-03-08 | 2020-03-24 | 浙江大学 | Heat-insulating reinforced structure and heat-insulating method for heat distribution pipeline |
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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 |
Granted publication date: 20140820 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |