CN104132204A - Vacuum insulation pipe - Google Patents
Vacuum insulation pipe Download PDFInfo
- Publication number
- CN104132204A CN104132204A CN201410343805.6A CN201410343805A CN104132204A CN 104132204 A CN104132204 A CN 104132204A CN 201410343805 A CN201410343805 A CN 201410343805A CN 104132204 A CN104132204 A CN 104132204A
- Authority
- CN
- China
- Prior art keywords
- vacuum heat
- end cap
- pipe
- outer tube
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a vacuum insulation pipe assembly and relates to the technical field of pipeline delivery. The vacuum insulation pipe assembly is designed to solve the problems that an existing vacuum insulation pipe is poor in heat insulation effect, unreliable in structure and the like. The vacuum insulation pipe assembly is formed by multiple vacuum insulation pipes in a matched mode; high pipeline rigidity can be achieved without a supporting structure, and the structure is simple and reliable; a vacuum channel communicated with a vacuum insulation layer is also arranged in an end cover of a sealing assembly, so that the space of the vacuum insulation layer is enlarged, and the heat insulation effect is good; an aerogel layer is arranged on the inner side of an outer heat-preserving pipe in an attached mode, so that the heat insulation effect of the vacuum insulation pipes is further improved; the bordering position between a first end cover and a male joint pipe is provided with an annular groove, and a seal ring is arranged in the annular groove; when every two adjacent vacuum insulation pipes are matched, the seal ring is pressed between the first end cover and a second end cover, so that a pipeline is sealed, and the sealing effect is good.
Description
Technical field
The present invention relates to pipe transportation technology field, relate in particular to a kind of vacuum heat-insulating pipe.
Background technique
Heat supply pipeline mainly contains two kinds at present, and a kind of is the heat supply pipeline hanging in the sky by suspender member or supporting element, and another kind is that direct-burried is in underground heat supply pipeline.Usually said Large Diameter Pipeline heat supply pipeline refers to that defeated heat pipe diameter is at more than 800 millimeters pipelines.
Direct-burried is that inside has one for the core pipe of defeated heat in the structure of underground pipeline, the thermal insulation layer being formed by multilayer insulant in core pipe outside, and there is pillar in thermal insulation layer outside.
The heat supply pipeline of this structure is manufactured cumbersome, the thermal insulation layer rapid wear of its inner side, and the impaired rear serious heat loss of thermal insulation layer is also difficult for being found simultaneously, even if found that maintenance is also very difficult.
Summary of the invention
One object of the present invention is to propose a kind of reliable in structure, vacuum heat-insulating pipe assembly that insulation effect is good, easy for installation.
Also object of the present invention is to propose a kind of vacuum heat-insulating pipe assembly of good sealing effect.
A further object of the present invention is to propose the vacuum heat-insulating pipe assembly that a kind of support effect is good.
For reaching this object, the present invention by the following technical solutions:
A kind of vacuum heat-insulating pipe assembly, comprise multistage vacuum heat-insulating pipe, described in each, vacuum heat-insulating pipe includes and carries inner tube and insulation outer tube, between described conveying inner tube and described insulation outer tube, there is vacuum heat-insulating layer, one end of described vacuum heat-insulating pipe has the first closed component, and the other end has the second closed component;
The male connector pipe that described the first closed component comprises the first end cap and is arranged at described the first end cap middle part, the external diameter of described the first end cap is identical with the external diameter of described insulation outer tube, in described the first end cap, be provided with the first vacuum passage being connected with described vacuum heat-insulating layer, the position, boundary of described the first end cap and described male connector pipe has annular groove, in described annular groove, is provided with seal ring;
The negative joint pipe that described the second closed component comprises the second end cap and is arranged at described the second end cap middle part, the external diameter of described the second end cap is identical with the external diameter of described insulation outer tube, is provided with the second vacuum passage being connected with described vacuum heat-insulating layer in described the second end cap;
Described male connector pipe and described negative joint pipe protrude to same direction, and the internal diameter of the external diameter of described male connector pipe and described negative joint pipe is suitable;
The inner side laminating of described insulation outer tube is provided with aerogel layer;
Two adjacent vacuum heat-insulating pipes are connected by described male connector pipe and described negative joint pipe, and described seal ring is pressed between described the first end cap and described the second end cap.
Preferably, the outside of described conveying inner tube is arranged at intervals with a plurality of support rings.
Preferably, on described insulation outer tube, be provided with vacuum extraction valve.
Preferably, the arranged outside of described vacuum extraction valve has safety cover, and described safety cover is secured by bolts on described insulation outer tube.
Preferably, described insulation outer tube is bellows.
Preferably, on the periphery wall of described insulation outer tube, be provided with heat insulation layer.
Beneficial effect of the present invention is:
Vacuum heat-insulating pipe assembly provided by the invention is coordinated and is formed by multistage vacuum heat-insulating pipe, without supporting structure is set, can reach good pipeline rigidity, simple and reliable for structure;
The vacuum passage being connected with vacuum heat-insulating layer is also set in the end cap of black box, the space that has increased vacuum heat-insulating layer, insulation effect is good;
In the laminating of the inner side of insulation outer tube, be provided with aerogel layer, further improved the insulation effect of vacuum heat-insulating pipe;
Position, boundary at the first end cap and male connector pipe arranges annular groove, and seal ring is set in annular groove, when adjacent two vacuum heat-insulating pipes are when coordinating, seal ring is pressed between the first end cap and the second end cap, thereby pipeline is formed to sealing, good sealing effect;
Carrying the outside of inner tube to be arranged at intervals with a plurality of support rings, by the further rigidity that improves pipeline of arranging of support ring;
Insulation outer tube is bellows, can improve the insulation effect of vacuum heat-insulating pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vacuum heat-insulating pipe assembly that provides of the embodiment of the present invention one;
Fig. 2 is the structural representation of the vacuum heat-insulating pipe assembly that provides of the embodiment of the present invention two.
In figure, 1, vacuum heat-insulating pipe; 11, carry inner tube; 12, insulation outer tube; 13, vacuum heat-insulating layer; 14, the first closed component; 141, the first end cap; 142, male connector pipe; 143, the first vacuum passage; 15, the second closed component; 151, the second end cap; 152, negative joint pipe; 153, the second vacuum passage; 16, aerogel layer; 17, heat insulation layer; 18, support ring; 2, vacuum extraction valve; 3, safety cover.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technological scheme of the present invention.
Embodiment one:
The present embodiment provides a kind of vacuum heat-insulating pipe assembly, as shown in Figure 1, this vacuum heat-insulating pipe assembly comprises multistage vacuum heat-insulating pipe 1, each vacuum heat-insulating pipe 1 includes carries inner tube 11 and insulation outer tube 12, carry between inner tube 11 and insulation outer tube 12 and there is vacuum heat-insulating layer 13, one end of vacuum heat-insulating pipe 13 has the first closed component 14, and the other end has the second closed component 15.
The first closed component 14 comprises the first end cap 141 and the male connector pipe 142 that is arranged at the first end cap 141 middle parts, the external diameter of the first end cap 141 is identical with the external diameter of insulation outer tube 12, in the first end cap 141, be provided with the first vacuum passage 143 being connected with vacuum heat-insulating layer 13, the first end cap 141 has annular groove with the position, boundary of male connector pipe 142, is provided with seal ring (not shown) in annular groove.
The second closed component 15 comprises the second end cap 151 and the negative joint pipe 152 that is arranged at the second end cap 151 middle parts, the external diameter of the second end cap 151 is identical with the external diameter of insulation outer tube 12, is provided with the second vacuum passage 153 being connected with vacuum heat-insulating layer 13 in the second end cap 151.
Male connector pipe 142 and negative joint pipe 152 protrude to same direction, and the internal diameter of the external diameter of male connector pipe 142 and negative joint pipe 152 is suitable.
In the laminating of the inner side of insulation outer tube 12, be provided with aerogel layer 16.On the periphery wall of insulation outer tube 12, be provided with heat insulation layer 17.
Two adjacent vacuum heat-insulating pipes 1 are connected by male connector pipe 142 and negative joint pipe 152, and seal ring is pressed between the first end cap 141 and the second end cap 151.
On insulation outer tube 12, be provided with vacuum extraction valve 2.The arranged outside of vacuum extraction valve 2 has safety cover 3, and safety cover 3 is secured by bolts on insulation outer tube 12.
The vacuum heat-insulating pipe assembly that the present embodiment provides is coordinated and is formed by multistage vacuum heat-insulating pipe, without supporting structure is set, can reach good pipeline rigidity, simple and reliable for structure.
The vacuum passage being connected with vacuum heat-insulating layer is also set in the end cap of black box, the space that has increased vacuum heat-insulating layer, insulation effect is good.
In the laminating of the inner side of insulation outer tube, be provided with aerogel layer, further improved the insulation effect of vacuum heat-insulating pipe.
Position, boundary at the first end cap and male connector pipe arranges annular groove, and seal ring is set in annular groove, when adjacent two vacuum heat-insulating pipes are when coordinating, seal ring is pressed between the first end cap and the second end cap, thereby pipeline is formed to sealing, good sealing effect.
Carrying the outside of inner tube 11 to be arranged at intervals with a plurality of support rings 18, by the further rigidity that improves pipeline of arranging of support ring 18.
Embodiment two:
The present embodiment provides a kind of vacuum heat-insulating pipe assembly, as shown in Figure 2, its structure and embodiment one are basic identical, comprise multistage vacuum heat-insulating pipe 1, each vacuum heat-insulating pipe 1 includes carries inner tube 11 and insulation outer tube 12, carry between inner tube 11 and insulation outer tube 12 and have vacuum heat-insulating layer 13, one end of vacuum heat-insulating pipe 13 has the first closed component 14, and the other end has the second closed component 15.
Difference is, the insulation outer tube 12 of the present embodiment is bellows.By insulation outer tube 12 is arranged to the insulation effect that bellows can further improve vacuum heat-insulating pipe.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (6)
1. a vacuum heat-insulating pipe assembly, it is characterized in that: comprise multistage vacuum heat-insulating pipe, described in each, vacuum heat-insulating pipe includes and carries inner tube and insulation outer tube, between described conveying inner tube and described insulation outer tube, there is vacuum heat-insulating layer, one end of described vacuum heat-insulating pipe has the first closed component, and the other end has the second closed component;
The male connector pipe that described the first closed component comprises the first end cap and is arranged at described the first end cap middle part, the external diameter of described the first end cap is identical with the external diameter of described insulation outer tube, in described the first end cap, be provided with the first vacuum passage being connected with described vacuum heat-insulating layer, the position, boundary of described the first end cap and described male connector pipe has annular groove, in described annular groove, is provided with seal ring;
The negative joint pipe that described the second closed component comprises the second end cap and is arranged at described the second end cap middle part, the external diameter of described the second end cap is identical with the external diameter of described insulation outer tube, is provided with the second vacuum passage being connected with described vacuum heat-insulating layer in described the second end cap;
Described male connector pipe and described negative joint pipe protrude to same direction, and the internal diameter of the external diameter of described male connector pipe and described negative joint pipe is suitable;
The inner side laminating of described insulation outer tube is provided with aerogel layer;
Two adjacent vacuum heat-insulating pipes are connected by described male connector pipe and described negative joint pipe, and described seal ring is pressed between described the first end cap and described the second end cap.
2. a kind of vacuum heat-insulating pipe assembly according to claim 1, is characterized in that: the outside of described conveying inner tube is arranged at intervals with a plurality of support rings.
3. a kind of vacuum heat-insulating pipe assembly according to claim 1, is characterized in that: on described insulation outer tube, be provided with vacuum extraction valve.
4. a kind of vacuum heat-insulating pipe assembly according to claim 3, is characterized in that: the arranged outside of described vacuum extraction valve has safety cover, and described safety cover is secured by bolts on described insulation outer tube.
5. a kind of vacuum heat-insulating pipe assembly according to claim 1, is characterized in that: described insulation outer tube is bellows.
6. a kind of vacuum heat-insulating pipe assembly according to claim 1, is characterized in that: on the periphery wall of described insulation outer tube, be provided with heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343805.6A CN104132204A (en) | 2014-07-19 | 2014-07-19 | Vacuum insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343805.6A CN104132204A (en) | 2014-07-19 | 2014-07-19 | Vacuum insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132204A true CN104132204A (en) | 2014-11-05 |
Family
ID=51804993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343805.6A Pending CN104132204A (en) | 2014-07-19 | 2014-07-19 | Vacuum insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833278A (en) * | 2020-12-30 | 2021-05-25 | 南方科技大学 | Composite structure heat insulation pipe and use method thereof |
| CN114623322A (en) * | 2022-04-01 | 2022-06-14 | 西安热工研究院有限公司 | Aerogel heat insulation structure for heat preservation of hot gas conduit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418334Y (en) * | 2000-01-07 | 2001-02-07 | 高东生 | Vaccum heat-insulation tube with moveable joint |
| CN2564837Y (en) * | 2002-08-16 | 2003-08-06 | 王浣生 | Vacuum thermal insulation pipeline |
| US20060175828A1 (en) * | 2004-07-20 | 2006-08-10 | Stuart Motew | Cryogenic seal for vacuum-insulated pipe expansion bellows |
| CN101666407A (en) * | 2009-09-17 | 2010-03-10 | 启东市海鹰冶金机械厂 | Vacuum pipeline |
| CN101688632A (en) * | 2007-06-19 | 2010-03-31 | 普莱克斯技术有限公司 | Vacuum insulated piping assembly method |
| CN204062261U (en) * | 2014-07-19 | 2014-12-31 | 郑万林 | A kind of vacuum heat-insulating pipe assembly |
-
2014
- 2014-07-19 CN CN201410343805.6A patent/CN104132204A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418334Y (en) * | 2000-01-07 | 2001-02-07 | 高东生 | Vaccum heat-insulation tube with moveable joint |
| CN2564837Y (en) * | 2002-08-16 | 2003-08-06 | 王浣生 | Vacuum thermal insulation pipeline |
| US20060175828A1 (en) * | 2004-07-20 | 2006-08-10 | Stuart Motew | Cryogenic seal for vacuum-insulated pipe expansion bellows |
| CN101688632A (en) * | 2007-06-19 | 2010-03-31 | 普莱克斯技术有限公司 | Vacuum insulated piping assembly method |
| CN101666407A (en) * | 2009-09-17 | 2010-03-10 | 启东市海鹰冶金机械厂 | Vacuum pipeline |
| CN204062261U (en) * | 2014-07-19 | 2014-12-31 | 郑万林 | A kind of vacuum heat-insulating pipe assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833278A (en) * | 2020-12-30 | 2021-05-25 | 南方科技大学 | Composite structure heat insulation pipe and use method thereof |
| CN112833278B (en) * | 2020-12-30 | 2022-11-11 | 南方科技大学 | Composite structure heat insulation pipe and use method thereof |
| CN114623322A (en) * | 2022-04-01 | 2022-06-14 | 西安热工研究院有限公司 | Aerogel heat insulation structure for heat preservation of hot gas conduit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENG WANLIN Free format text: FORMER OWNER: LI BIN Effective date: 20141118 |
|
| C10 | Entry into substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Wanlin Inventor before: Li Bin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI BIN TO: ZHENG WANLIN |
|
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20141118 Address after: 075000 Zhangjiakou City, Hebei province Qiaodong District of Chahar Century Square East three floor B District No. 04 Applicant after: Zheng Wanlin Address before: 075000 No. 1, No. 1, building 5, No. 1, Cemetery Road, Qiaodong District, Zhangjiakou, Hebei, 601 Applicant before: Li Bin |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141105 |