CN101813230A - Heat transmission medium pipeline and manufacturing method thereof - Google Patents
Heat transmission medium pipeline and manufacturing method thereof Download PDFInfo
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- CN101813230A CN101813230A CN 201010137517 CN201010137517A CN101813230A CN 101813230 A CN101813230 A CN 101813230A CN 201010137517 CN201010137517 CN 201010137517 CN 201010137517 A CN201010137517 A CN 201010137517A CN 101813230 A CN101813230 A CN 101813230A
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- outer tube
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- transmission medium
- pipe
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Abstract
The invention relates to a heat transmission medium pipeline which comprises an inner pipe for conveying a heat transmission medium, an outer pipe sheathed on the exterior of the inner pipe, and sealing elements which are arranged on the both ends of the outer pipe and between the inner pipe and the outer pipe, wherein the inner wall of the outer pipe, the outer wall of the inner pipe and the sealing elements form a vacuum seal cavity together; and the sealing elements are made of glass and are fixed between the inner pipe and the outer pipe in a heat fusing mode. Thus, the invention simplifies the manufacturing process and is beneficial to reducing the manufacturing cost.
Description
[technical field]
The invention belongs to the heating power transmission field, be meant a kind of heat transmission medium pipeline and manufacture method thereof that is used to carry heat transport medium and need reduces thermal loss especially.
[background technique]
For some heat energy applications, as the solar energy heat utilization, need being delivered to other makes land used with producing from heating power with the heat transport medium (as water or conduction oil) of high temperature.In this course of conveying, for preventing thermal loss, industry is usually at transfer canal outer wrapping multilayer insulant, as wrap up the protective coating of heatproof anticorrosive coat, heat-resisting thermal insulation layer, polyurethane foam insulation layer and outermost successively in the pipeline outside, to reduce the heat exchange of pipeline internal medium and external environment, the deficiency of this kind structure is that heat insulation effect is very not desirable on the one hand, is complicate fabrication process on the other hand, is unfavorable for reducing manufacture cost.At this problem, industry is also developed the vacuum insulation tubular construction, specifically can be with reference to shown in the Chinese patent 02263826.1, but this kind structure is that mode by welding is assembled on the inner and outer pipe at the sealing plate of pipe ends, this kind mode is made comparatively difficult, also is unfavorable for reducing manufacture cost.
[summary of the invention]
The object of the invention is to provide a kind of heat transmission medium pipeline and manufacture method thereof, in order to solve existing heat transmission medium pipeline complicate fabrication process, the higher defective of cost.
For achieving the above object, implement heat transmission medium pipeline of the present invention comprise the interior pipe of carrying heat transport medium, be sheathed in the outside outer tube of pipe and be located at the outer tube two ends and pipe and outer tube between Sealing form, the common vacuum seal cavity that forms of this outer tube wall, outer wall of inner tube and Sealing, wherein the sealing part is a glass material, and is fixed between interior pipe and the outer tube by hot melting mode.
According to above-mentioned major character, pipe is carbon steel tube with outer tube in this, and also is provided with a plurality of supporting frames between interior pipe and the outer tube, and this supporting frame is provided with aperture.
According to above-mentioned major character, pipe is enclosed with thermoinsulation material in this.
According to above-mentioned major character, the outer tube that forms the vacuum seal cavity comprises two sections, and connects by a bellows between these two sections.
According to above-mentioned major character, this heat transmission medium pipeline also comprises an air check valve, and this air check valve is located on the outer tube that forms the vacuum seal cavity.
For achieving the above object, implementing heat transmission medium pipeline manufacture method of the present invention comprises the steps:
Provide pipe and outer tube in one, and it is peripheral that outer tube sleeve is located at interior pipe;
The Sealing of one glass material is provided, and the sealing part is fixed between this outer tube wall and the outer wall of inner tube by hot melting mode;
With the common seal chamber vacuum pumping that forms of outer tube wall, outer wall of inner tube and Sealing.
According to above-mentioned major character, this method also comprises provides a bellows, and the outer tube that will form seal chamber is divided into two sections, and with this bellows with these two sections steps that outer tube couples together.
According to above-mentioned major character, this method is also included is provided with a plurality of supporting frames between pipe and the outer tube, and this supporting frame is provided with the step of aperture.
According to above-mentioned major character, this method is also included manages the step of outer wrapping thermoinsulation material.
According to above-mentioned major character, wherein hot melting mode is by heated sealant spare and outer tube junction, make the Sealing fusing and expand, and also expanded by heating of outer tube simultaneously, cooling back outer tube shrinks, and in Sealing closely is pressed between pipe and the outer tube.
According to above-mentioned major character, this method also comprises provides a bellows, and the outer tube that will form seal chamber is divided into two sections, and with this bellows with these two sections steps that outer tube couples together.
According to above-mentioned major character, this method also is included in the step that air check valve is set on the outer tube, and the common seal chamber that forms of outer tube wall, outer wall of inner tube and Sealing is by this air check valve vacuum pumping.
According to above-mentioned major character, this method also is included in and sets in advance a perforate on the Sealing, the sealing part is fixed between pipe and the outer tube after, with the vacuum pumping of sealing cavity, and then this perforate seals with hot melt or sealer by this perforate.
Compared with prior art, the present invention is by being provided with the Sealing of a glass material at interior pipe and outer tube two ends, by hot melting mode this Sealing group is located between this outer tube wall and the outer wall of inner tube afterwards, and with the common seal chamber vacuum pumping that forms of outer tube wall, outer wall of inner tube and Sealing, so simplify manufacture process, be beneficial to the reduction manufacture cost.
[description of drawings]
Fig. 1 is for implementing the cross-sectional schematic of heat transmission medium pipeline of the present invention.
Fig. 2 is for implementing heat transmission medium pipeline second embodiment's of the present invention cross-sectional schematic.
[embodiment]
See also shown in Figure 1, for implementing the cross-sectional schematic of heat transmission medium pipeline of the present invention, this heat transmission medium pipeline 1 comprises the interior pipe 10 of carrying heat transport medium, manage the outer tube 11 of 10 outsides in being sheathed on and be located at interior pipe 10 and outer tube 11 two ends and 12 compositions of the Sealing between interior pipe 10 and outer tube 11, these outer tube 11 inwalls, interior pipe 10 outer walls and the Sealing 12 common vacuum seal cavitys 13 that form, wherein sealing part 12 is a glass material, and by hot melting mode be fixed in the pipe 10 and outer tube 11 between, promptly by heated sealant spare 12 and outer tube 11 junctions, so make Sealing 12 fusings and expansion, simultaneously outer tube 11 also can expanded by heating, but because outer tube 11 is a metal material, expansion coefficient is bigger, therefore degrees of expansion is bigger, more expansion space is provided so for Sealing 12, and cooling back outer tube 11 shrinks, and so Sealing 12 closely is pressed between interior pipe 10 and the outer tube 11.
In the specific implementation, pipe 10 is carbon steel tube with outer tube 11 in this, and can in this, manage 10 and outer tube 11 between a plurality of supporting frames 15 are set, to strengthen the mechanical strength of this heat transmission medium pipeline.As for mode with outer tube 11 inwalls, interior pipe 10 outer walls and Sealing 12 common seal chamber 13 vacuum pumpings that form, can be by on this outer tube 11, air check valve 14 being set, by this air check valve 14 with seal chamber 13 vacuum pumpings, if be provided with supporting frame 15, then can on supporting frame 15, offer a plurality of apertures 16, so that the air in the seal chamber 13 is drained only.Moreover, for being heated when transmitting the elevated temperature heat transmission medium, pipe 10 in preventing make Sealing 12 break away from from the two ends of outer tube 11 along the lengthwise axial deformation, the outer tube 11 that forms seal chamber 13 can be divided into two sections, and these two sections are coupled together with a bellows 17, pipe 10 is heated when longitudinal axis is out of shape jointly so, 17 distortion of 11 pulling bellowss of outer tube, thus prevent that Sealing 12 breaks away from from the two ends of outer tube 11.
See also shown in Figure 2, for implementing heat transmission medium pipeline 2 second embodiments' of the present invention cross-sectional schematic, be that with first embodiment's difference pipe 20 is wrapped with thermoinsulation material 28 in this, so, also supporting frame can be set no longer in such cases to reach better heat insulation effect.Simultaneously, air check valve also no longer is set on the outer tube 21, the mode of its sealing is by set in advance a perforate (not shown) on Sealing 22, in sealing part 22 is fixed on the pipe 20 and outer tube 21 between after, with 23 vacuum pumpings of sealing cavity, and then this perforate is with the sealing of hot melt or other sealers by this perforate.In like manner, also the outer tube 21 that forms seal chamber 23 can be divided into two sections, and these two sections be coupled together with a bellows 27.
According to the above, implement heat transmission medium pipeline manufacture method of the present invention and comprise the steps:
Provide pipe and outer tube in one, and it is peripheral that outer tube sleeve is located at interior pipe;
The Sealing of one glass material is provided, and the sealing part is fixed between this outer tube wall and the outer wall of inner tube by hot melting mode;
With the common seal chamber vacuum pumping that forms of outer tube wall, outer wall of inner tube and Sealing.
In the specific implementation, also included step that a plurality of supporting frames are set between pipe and the outer tube or of this method in the step of interior pipe outer wrapping thermoinsulation material.
In addition, this method also is included in the step that air check valve is set on the outer tube, and the common seal chamber that forms of outer tube wall, outer wall of inner tube and Sealing is by this air check valve vacuum pumping.Perhaps on Sealing, set in advance a perforate, in the sealing part is fixed between pipe and the outer tube after, with the vacuum pumping of sealing cavity, and then this perforate is with the sealing of hot melt or sealer by this perforate.Moreover this method also comprises provides a bellows, and the outer tube that will form seal chamber is divided into two sections, and with this bellows with these two sections steps that outer tube couples together.
In the specific implementation, this heat transmission medium pipeline can be built in sections, and assembles by link more afterwards.Perhaps also can handle, thereby avoid using too much link, thereby be more conducive to reduce manufacture cost in the working site.
Claims (12)
1. heat transmission medium pipeline, comprise the interior pipe of carrying heat transport medium, be sheathed in the outside outer tube of pipe and be located at the outer tube two ends and pipe and outer tube between Sealing form, the common vacuum seal cavity that forms of this outer tube wall, outer wall of inner tube and Sealing, it is characterized in that: the sealing part is a glass material, and is fixed between interior pipe and the outer tube by hot melting mode.
2. heat transmission medium pipeline as claimed in claim 1 is characterized in that: also be provided with a plurality of supporting frames between pipe and the outer tube in this, and this supporting frame is provided with aperture.
3. heat transmission medium pipeline as claimed in claim 1 is characterized in that: pipe is enclosed with thermoinsulation material in this.
4. heat transmission medium pipeline as claimed in claim 1 is characterized in that: the outer tube that forms the vacuum seal cavity comprises two sections, and connects by a bellows between these two sections.
5. as claim 2 or 3 or 4 described heat transmission medium pipelines, it is characterized in that: also be provided with air check valve on this outer tube.
6. the manufacture method of a heat transmission medium pipeline comprises the steps:
Provide pipe and outer tube in one, and it is peripheral that outer tube sleeve is located at interior pipe;
The Sealing of one glass material is provided, and the sealing part is fixed between this outer tube wall and the outer wall of inner tube by hot melting mode;
With the common seal chamber vacuum pumping that forms of outer tube wall, outer wall of inner tube and Sealing.
7. the manufacture method of heat transmission medium pipeline as claimed in claim 6, it is characterized in that: wherein hot melting mode is by heated sealant spare and outer tube junction, make Sealing fusing and expansion, the while outer tube is expanded by heating also, cooling back outer tube shrinks, and Sealing closely is pressed between interior pipe and the outer tube.
8. the manufacture method of heat transmission medium pipeline as claimed in claim 7, it is characterized in that: this method also comprises provides a bellows, and the outer tube that will form seal chamber is divided into two sections, and with this bellows with these two sections steps that outer tube couples together.
9. the manufacture method of heat transmission medium pipeline as claimed in claim 8 is characterized in that: this method is also included is provided with a plurality of supporting frames between pipe and the outer tube, and this supporting frame is provided with the step of aperture.
10. the manufacture method of heat transmission medium pipeline as claimed in claim 8 is characterized in that: also the included step of pipe outer wrapping thermoinsulation material of this method.
11. manufacture method as claim 9 or 10 described heat transmission medium pipelines, it is characterized in that: this method also is included in the step that air check valve is set on the outer tube, and the common seal chamber that forms of outer tube wall, outer wall of inner tube and Sealing is by this air check valve vacuum pumping.
12. manufacture method as claim 9 or 10 described heat transmission medium pipelines, it is characterized in that: this method also is included in and sets in advance a perforate on the Sealing, in the sealing part is fixed on the pipe and outer tube between after, with the vacuum pumping of sealing cavity, and then this perforate is with the sealing of hot melt or sealer by this perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010137517 CN101813230A (en) | 2010-03-31 | 2010-03-31 | Heat transmission medium pipeline and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010137517 CN101813230A (en) | 2010-03-31 | 2010-03-31 | Heat transmission medium pipeline and manufacturing method thereof |
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| CN101813230A true CN101813230A (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010137517 Pending CN101813230A (en) | 2010-03-31 | 2010-03-31 | Heat transmission medium pipeline and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133821A (en) * | 2012-12-11 | 2013-06-05 | 河南煤炭建设集团有限责任公司 | Freezing pipe heat insulation device |
| CN104455927A (en) * | 2014-10-27 | 2015-03-25 | 宁夏天纵泓光余热发电技术有限公司 | Heat preservation steel pipe |
| CN107250708A (en) * | 2015-02-06 | 2017-10-13 | 古河电气工业株式会社 | Heating and cooling system |
| CN110118309A (en) * | 2019-06-13 | 2019-08-13 | 新天绿色能源股份有限公司 | A kind of Monitoring Pinpelines device |
| CN110578839A (en) * | 2019-08-30 | 2019-12-17 | 北京航天动力研究所 | vacuum heat insulation metal hose for conveying liquid hydrogen and liquid oxygen |
| CN111412754A (en) * | 2020-02-27 | 2020-07-14 | 浙江武精机器制造有限公司 | Heat exchanger for heat recovery |
| CN111465800A (en) * | 2017-08-25 | 2020-07-28 | 概念集团有限责任公司 | Multi-geometry and multi-material thermal insulation component |
| CN111758460A (en) * | 2020-07-30 | 2020-10-13 | 潘碧琼 | Heating device for greenhouse |
| WO2022152100A1 (en) * | 2021-01-14 | 2022-07-21 | 上海兴邺材料科技有限公司 | Vacuum pipe |
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| CN101666407A (en) * | 2009-09-17 | 2010-03-10 | 启东市海鹰冶金机械厂 | Vacuum pipeline |
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| US4502714A (en) * | 1982-09-29 | 1985-03-05 | Cvi Incorporated | Vacuum spool piece and joint |
| US20020089177A1 (en) * | 1999-10-13 | 2002-07-11 | Bonn John W. | Controlled leak cryogenic bayonet pipe spool and system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133821A (en) * | 2012-12-11 | 2013-06-05 | 河南煤炭建设集团有限责任公司 | Freezing pipe heat insulation device |
| CN103133821B (en) * | 2012-12-11 | 2015-09-02 | 河南煤炭建设集团有限责任公司 | A kind of freezing pipe heat-proof device |
| CN104455927A (en) * | 2014-10-27 | 2015-03-25 | 宁夏天纵泓光余热发电技术有限公司 | Heat preservation steel pipe |
| CN107250708B (en) * | 2015-02-06 | 2019-12-06 | 古河电气工业株式会社 | heating and cooling system |
| US10330403B2 (en) | 2015-02-06 | 2019-06-25 | Furukawa Electric Co., Ltd. | Heating and cooling system |
| CN107250708A (en) * | 2015-02-06 | 2017-10-13 | 古河电气工业株式会社 | Heating and cooling system |
| CN111465800A (en) * | 2017-08-25 | 2020-07-28 | 概念集团有限责任公司 | Multi-geometry and multi-material thermal insulation component |
| CN111465800B (en) * | 2017-08-25 | 2022-03-01 | 概念集团有限责任公司 | Multi-geometry and multi-material thermal insulation component |
| CN110118309A (en) * | 2019-06-13 | 2019-08-13 | 新天绿色能源股份有限公司 | A kind of Monitoring Pinpelines device |
| CN110578839A (en) * | 2019-08-30 | 2019-12-17 | 北京航天动力研究所 | vacuum heat insulation metal hose for conveying liquid hydrogen and liquid oxygen |
| CN111412754A (en) * | 2020-02-27 | 2020-07-14 | 浙江武精机器制造有限公司 | Heat exchanger for heat recovery |
| CN111758460A (en) * | 2020-07-30 | 2020-10-13 | 潘碧琼 | Heating device for greenhouse |
| WO2022152100A1 (en) * | 2021-01-14 | 2022-07-21 | 上海兴邺材料科技有限公司 | Vacuum pipe |
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Open date: 20100825 |