CN204372360U - A kind of thermal insulation pipe - Google Patents
A kind of thermal insulation pipe Download PDFInfo
- Publication number
- CN204372360U CN204372360U CN201420851080.7U CN201420851080U CN204372360U CN 204372360 U CN204372360 U CN 204372360U CN 201420851080 U CN201420851080 U CN 201420851080U CN 204372360 U CN204372360 U CN 204372360U
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- CN
- China
- Prior art keywords
- outer tube
- pipe
- thermal insulation
- interior pipe
- inwall
- Prior art date
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Abstract
The utility model discloses a kind of thermal insulation pipe, comprise inner and outer tubes, interior pipe is hdpe pipe, outer tube is frp pipe, interior pipe coaxial package in outer tube, and is furnished with supporting frame between the outer wall of interior pipe and the inwall of outer tube, makes the inwall of the outer wall of interior pipe and outer tube isolated.After the utility model adopts said structure, not only there is good heat-insulating property, also there is withstand voltage and tensility preferably.
Description
Technical field
The utility model relates to a kind of thermal insulation apparatus, particularly relates to a kind of thermal insulation pipe.
Background technique
Thermal insulation pipe is a kind of for preventing the thermal insulation apparatus of pipeline environment distribute heat towards periphery.Current thermal insulation pipe can be divided into two kinds substantially, and a kind of is at the thermal insulation layer of the poor nonmetallic material (as rubber-plastic sponge, glass wool etc.) of individual layer pipeline outer wrapping heat-conducting property as thermal insulation pipe; Another kind is fill insulant material in the gap of bilayer sleeve, to reach the object of insulation.But because the application of thermal insulation pipe is different, the performance requirement of thermal insulation pipe is also had nothing in common with each other, in the application that some are special, requires that thermal insulation pipe should have preferably heat-insulating property, there is withstand voltage and tensility again preferably, but above-mentioned two kinds of thermal insulation pipes cannot reach this requirement.
Model utility content
The utility model provides a kind of thermal insulation pipe, which overcomes the deficiency existing for thermal insulation pipe of prior art.
The utility model solves the technological scheme that its technical problem adopts: a kind of thermal insulation pipe, comprise inner and outer tubes, interior pipe is hdpe pipe, outer tube is frp pipe, interior pipe coaxial package is in outer tube, and be furnished with supporting frame between the outer wall of interior pipe and the inwall of outer tube, make the inwall of the outer wall of interior pipe and outer tube isolated.
Further, support frame as described above comprises multiple ring-type supporting frame, and the plurality of ring-type supporting frame distributes successively along the axial direction of described interior pipe.
Further, described ring-type supporting frame comprises ring body, and the periphery of this ring body is integrally connected to some abutting parts, and ring body is set in outside described interior pipe, and the outer side surface of its each abutting part is resisted against described outer tube wall respectively.
Further, each abutting part described is respectively the strut that the radial direction along described ring body is arranged.
Further, each abutting part described radial direction be respectively along described ring body arranges and is the supporting frame of fan shape, and this supporting frame inside is provided with some stiffening ribs.
Further, support frame as described above is tubular support frame, and this tubular support frame is arranged along the axial direction of described interior pipe.
Further, described tubular support frame comprises in support manages and supports outer tube, and support outer tube is coated in support outside pipe, and is connected with multiple dunnage radially arranged between the inwall of support outer tube and the outer wall supporting interior pipe; In supporting, pipe box is loaded on outside described interior pipe, and the outer wall supporting outer tube is resisted against the inwall of described outer tube.
Further, in described support, pipe is the cylindrical body of hollow, and described support outer tube is the prism of hollow, and its each bar incline is resisted against the inwall of described outer tube respectively.
Further, the wall thickness of described inner and outer tubes is respectively 1 ~ 5mm, and the internal diameter of described interior pipe is 70 ~ 80mm, and the external diameter of described outer tube is 120 ~ 130mm.
Compared to prior art, the utility model has following beneficial effect:
Because interior pipe of the present utility model adopts hdpe pipe, outer tube adopts frp pipe, and be furnished with supporting frame between the outer wall of interior pipe and the inwall of outer tube, make the inwall of the outer wall of interior pipe and outer tube isolated, make the utility model not only have good heat-insulating property, also there is withstand voltage and tensility preferably.Show by experiment, when the internal diameter of interior pipe is 75mm, the external diameter of outer tube is 125mm, and when the wall thickness of inner and outer tubes is respectively 3mm, the tensile strength of this thermal insulation pipe is more than 180MPa, and thermal conductivity is less than 0.014kcal/m-hr-DEG C.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of thermal insulation pipe of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is embodiment one perspective view of the present utility model;
Fig. 2 is the structural representation of embodiment one ring-type supporting frame of the present utility model;
Fig. 3 is embodiment two perspective view of the present utility model;
Fig. 4 is the structural representation of embodiment two ring-type supporting frame of the present utility model;
Fig. 5 is the structural representation of embodiment three tubular support frame of the present utility model.
Embodiment
Embodiment one
Refer to shown in Fig. 1, Fig. 2, a kind of thermal insulation pipe of the present utility model, comprise interior pipe 1 and outer tube 2, interior pipe 1 is high density polyethylene (HDPE) (also known as HDPE) tubing, outer tube 2 is glass fibre reinforced plastics (also known as FRP) tubing, interior pipe 1 coaxial package in outer tube 2, and is furnished with supporting frame between the inwall of the outer wall of interior pipe 1 and outer tube 2, makes the inwall of the outer wall of interior pipe 1 and outer tube 2 isolated.
Specifically, support frame as described above comprises multiple ring-type supporting frame 3, and the plurality of ring-type supporting frame 3 distributes successively along the axial direction of described interior pipe 1.Ring-type supporting frame 3 comprises ring body 31, and the periphery of this ring body 31 is integrally connected to three abutting parts, and ring body 31 is set in outside described interior pipe 1, and the outer side surface of its each abutting part is resisted against described outer tube 2 inwall respectively.In the present embodiment, each abutting part described is respectively the strut 32 that the radial direction along described ring body 31 is arranged, and these three struts 32 have identical size, and the periphery of these three struts 32 annularly body 31 is evenly arranged.
The wall thickness of described interior pipe 1 and outer tube 2 is respectively 1 ~ 5mm, and preferred values is 3mm, and the internal diameter of described interior pipe 1 is 70 ~ 80mm, and preferred values is 75mm, and the external diameter of described outer tube 2 is 120 ~ 130mm, and preferred values is 125mm.
A kind of thermal insulation pipe of the utility model, by choose reasonable thermal insulating material, and design said structure, make it can obtain preferably heat-insulating property without the need to filling the such as thermal insulating material such as cellular rubber, glass wool between the inner and outer pipe sections, and there is withstand voltage and tensility preferably.Intercept one section of this thermal insulation pipe and carry out tensile strength and thermal conductivity experiment as heat exchanger, in experiment with hot water and cold water (here, cold water also can adopt air to replace) as the working fluid of this heat exchanger: in hot water is imported in pipe 1, in cavity in being imported by cold water between pipe 1 and outer 2 pipes, and the type of flow of this two fluid is made to be the layout of reverse flow.Experimental result is as follows:
Inner tube diameter: 75mm
Outer tube external diameter: 125mm
The wall thickness of inner and outer tubes: 3mm
Central filler: air
Tensile strength: more than 180MPa
Less than thermal conductivity: 0.014kcal/m-hr-DEG C
Embodiment two
Refer to shown in Fig. 3, Fig. 4, a kind of thermal insulation pipe of the present utility model, the difference of itself and embodiment one is: each abutting part described radial direction be respectively along described ring body 31 arranges and is the supporting frame 33 of fan shape, and this supporting frame 33 inside is provided with three stiffening ribs 34.
Embodiment three
Shown in Figure 5, a kind of thermal insulation pipe of the present utility model, the difference of itself and embodiment one, embodiment two is: support frame as described above is tubular support frame 4, and this tubular support frame 4 is arranged along the axial direction of described interior pipe 1.Specifically, this tubular support frame 4 comprises pipe 41 and support outer tube 42 in support, and support outer tube 42 is coated in support outside pipe 41, and is connected with multiple dunnage 43 radially arranged between the outer wall of the inwall of support outer tube 42 and the interior pipe 41 of support; In supporting, pipe 41 is set in outside described interior pipe 1, and the outer wall supporting outer tube 42 is resisted against the inwall of described outer tube 2.
In addition, in described support, pipe 41 is the cylindrical body of hollow, and described support outer tube 42 is the prism of hollow, and its each bar incline is resisted against the inwall of described outer tube 2 respectively.Each dunnage 43 described lays respectively at each corner supporting outer tube 42.
Above-described embodiment is only used for further illustrating a kind of thermal insulation pipe of the present utility model; but the utility model is not limited to embodiment; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in the protection domain of technical solutions of the utility model.
Claims (9)
1. a thermal insulation pipe, comprises inner and outer tubes, it is characterized in that: interior pipe is hdpe pipe, outer tube is frp pipe, interior pipe coaxial package in outer tube, and is furnished with supporting frame between the outer wall of interior pipe and the inwall of outer tube, makes the inwall of the outer wall of interior pipe and outer tube isolated.
2. thermal insulation pipe according to claim 1, is characterized in that: support frame as described above comprises multiple ring-type supporting frame, and the plurality of ring-type supporting frame distributes successively along the axial direction of described interior pipe.
3. thermal insulation pipe according to claim 2, it is characterized in that: described ring-type supporting frame comprises ring body, the periphery of this ring body is integrally connected to some abutting parts, and ring body is set in outside described interior pipe, and the outer side surface of its each abutting part is resisted against described outer tube wall respectively.
4. thermal insulation pipe according to claim 3, is characterized in that: each abutting part described is respectively the strut that the radial direction along described ring body is arranged.
5. thermal insulation pipe according to claim 3, is characterized in that: each abutting part described radial direction be respectively along described ring body arranges and is the supporting frame of fan shape, and this supporting frame inside is provided with some stiffening ribs.
6. thermal insulation pipe according to claim 1, is characterized in that: support frame as described above is tubular support frame, and this tubular support frame is arranged along the axial direction of described interior pipe.
7. thermal insulation pipe according to claim 6, it is characterized in that: described tubular support frame comprises pipe and support outer tube in support, in support outer tube is coated on and supports outside pipe, and be connected with multiple dunnage radially arranged between the inwall of support outer tube and the outer wall supporting interior pipe; In supporting, pipe box is loaded on outside described interior pipe, and the outer wall supporting outer tube is resisted against the inwall of described outer tube.
8. thermal insulation pipe according to claim 7, is characterized in that: in described support, pipe is the cylindrical body of hollow, and described support outer tube is the prism of hollow, and its each bar incline is resisted against the inwall of described outer tube respectively.
9. thermal insulation pipe according to claim 1, is characterized in that: the wall thickness of described inner and outer tubes is respectively 1 ~ 5mm, and the internal diameter of described interior pipe is 70 ~ 80mm, and the external diameter of described outer tube is 120 ~ 130mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851080.7U CN204372360U (en) | 2014-12-29 | 2014-12-29 | A kind of thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851080.7U CN204372360U (en) | 2014-12-29 | 2014-12-29 | A kind of thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372360U true CN204372360U (en) | 2015-06-03 |
Family
ID=53328581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420851080.7U Expired - Fee Related CN204372360U (en) | 2014-12-29 | 2014-12-29 | A kind of thermal insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372360U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256919A (en) * | 2015-11-25 | 2016-01-20 | 苏州富通高新材料科技股份有限公司 | Tube product combined thermal insulation wall |
| CN105650364A (en) * | 2016-03-01 | 2016-06-08 | 江苏宏泰橡胶助剂有限公司 | Liquid sulphur transport pipeline |
| CN105973018A (en) * | 2016-05-26 | 2016-09-28 | 镇江市经纬工程机械有限公司 | Shell-tube type condenser |
| CN106481893A (en) * | 2015-09-02 | 2017-03-08 | 江苏宏泰橡胶助剂有限公司 | A kind of Molten sulphur conveying pipe |
| CN107166107A (en) * | 2017-04-27 | 2017-09-15 | 广西北海跃达玻璃钢制品有限公司 | A kind of GRP pipe |
| CN107883067A (en) * | 2017-12-06 | 2018-04-06 | 北京京诚科林环保科技有限公司 | Pipeline heat insulation fixing support |
| CN108626522A (en) * | 2018-05-05 | 2018-10-09 | 芜湖君如保温材料有限公司 | A kind of polyurethane thermal pipe Inner standpipe |
| CN112709872A (en) * | 2020-12-25 | 2021-04-27 | 浙江启尔机电技术有限公司 | Double-layer pipe |
-
2014
- 2014-12-29 CN CN201420851080.7U patent/CN204372360U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481893A (en) * | 2015-09-02 | 2017-03-08 | 江苏宏泰橡胶助剂有限公司 | A kind of Molten sulphur conveying pipe |
| CN105256919A (en) * | 2015-11-25 | 2016-01-20 | 苏州富通高新材料科技股份有限公司 | Tube product combined thermal insulation wall |
| CN105650364A (en) * | 2016-03-01 | 2016-06-08 | 江苏宏泰橡胶助剂有限公司 | Liquid sulphur transport pipeline |
| CN105973018A (en) * | 2016-05-26 | 2016-09-28 | 镇江市经纬工程机械有限公司 | Shell-tube type condenser |
| CN107166107A (en) * | 2017-04-27 | 2017-09-15 | 广西北海跃达玻璃钢制品有限公司 | A kind of GRP pipe |
| CN107883067A (en) * | 2017-12-06 | 2018-04-06 | 北京京诚科林环保科技有限公司 | Pipeline heat insulation fixing support |
| CN108626522A (en) * | 2018-05-05 | 2018-10-09 | 芜湖君如保温材料有限公司 | A kind of polyurethane thermal pipe Inner standpipe |
| CN112709872A (en) * | 2020-12-25 | 2021-04-27 | 浙江启尔机电技术有限公司 | Double-layer pipe |
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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: 20150603 Termination date: 20171229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |