CN106195531A - Vacuum heat-preserving tube - Google Patents
Vacuum heat-preserving tube Download PDFInfo
- Publication number
- CN106195531A CN106195531A CN201610769941.0A CN201610769941A CN106195531A CN 106195531 A CN106195531 A CN 106195531A CN 201610769941 A CN201610769941 A CN 201610769941A CN 106195531 A CN106195531 A CN 106195531A
- Authority
- CN
- China
- Prior art keywords
- tube
- outer tube
- preserving
- heat
- reducing section
- 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
Links
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
- 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
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
-
- 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
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of vacuum heat-preserving tube, including body, described body includes inner tube (1) and outer tube (2), described inner tube (1) is arranged in outer tube (2), described inner tube (1) is under the cladding of outer tube (2), therebetween forming vacuum chamber (3), described outer tube (2) is provided with evacuation interface (4).The two ends of said inner tube (1) are reducing section (5), and the outside bore of reducing section (5) is more than inner side bore, and the end of reducing section (5) is connected on the inwall of outer tube (2).Outer tube (2) end and reducing section (5) inwall described in form the connection running-on (6) for being connected with adjacent tubes.The present invention uses vacuum mode, and its heat preservation and insulation is better than heat preserving and insulating material, and the coefficient of heat conduction is substantially reduced, and also reduces site operation amount simultaneously.
Description
Technical field
The present invention relates to pipeline transmission field, a kind of Prefabricated vacuum guarantor supplying Heat transmission for municipal administration
Wen Guan.
Background technology
It is known that municipal administration heat supply needs to lay transmission pipeline, by burying heat supply transmission pipeline underground, transfer heat to thousand
Family ten thousand families.In view of the efficiency of transmission, the insulation for transmission pipeline seems most important, to guarantee as much as possible
Btu utilization, in the heat supply to user, reduces the thermal losses in transmission.
The transmission pipeline of prior art includes body, is connected extension and the confession realizing pipeline by the ending of many bodys
Heat transmission, general by site operation welding realization connection, and at body outer cladding heat preserving and insulating material.Although by heat insulation material
Low-energy loss can drop in material, but aging along with heat-barrier material, and the inherent shortcoming heat conductivity of current material
Height, therefore yet suffer from carrying high efficiency space.Meanwhile, prior art needs to construct at the scene, considerably increases site operation amount
And construction cost.
Summary of the invention
In view of this, to be to provide a kind of coefficient of heat conduction low and prefabricated before construction for the technical problem to be solved in the present invention
Vacuum heat-preserving tube.
The technical solution of the present invention is to provide the vacuum heat-preserving tube of a kind of following structure, including body, described pipe
Body includes that inner and outer tubes, described inner tube are arranged in outer tube, and described inner tube, under the cladding of outer tube, is formed therebetween
Vacuum chamber, described outer tube is provided with evacuation interface.
Using above structure, the present invention compared with prior art has the advantage that owing to being formed between inner tube and outer tube
Body head and the tail, by evacuation interface by the air extraction in vacuum chamber, are connected by vacuum chamber, prefabricated before construction complete,
Job site is socketed；The present invention uses vacuum mode, and its heat preservation and insulation is better than heat preserving and insulating material, the coefficient of heat conduction
It is substantially reduced, also reduces site operation amount simultaneously.
As improvement, the two ends of said inner tube are reducing section, and the outside bore of reducing section is more than inner side bore, reducing section
End is connected on the inwall of outer tube.Setting by reducing section, it is not necessary to increase other auxiliaries and can be connected formation with outer tube very
Cavity.
As improvement, during construction, the reducing section of inner tube one end is welded with outer tube wall, heating inner tube go forward side by side trip temperature protect
Hold, in a heated state, the reducing section of the inner tube other end is welded with outer tube wall.So can eliminate pipeline ventilation be heated after
Produced stress.
The connection running-on for being connected is formed with adjacent tubes as improvement, described outer tube end and reducing section inwall.
Described connection running-on is wedge mouth, for the socket with adjacent tubes, thus reduces site operation amount further.
As improvement, described vacuum heat-preserving tube also include heat insulation joint, described heat insulation joint include joint inner tube and
Joint outer tube, described joint inner tube is arranged at joint outer tube, and is provided with between and is connected running-on and matches
Insulation bushing.Can either be socketed two adjacent casings, the connected mode of this given shape, its good airproof performance, insulation bushing can
The effect of heat-insulating and sealing is played at butt joint.
As improvement, the end of described heat insulation joint is provided with high-temperature sealing material layer.After adjacent tubes connects, by high temperature
After sealing material layer is heated to fusing point, automatic-sealed.
As improvement, the two ends of described outer tube are reducing section, and the outside bore of reducing section is less than inner side bore, reducing section
End is connected on the outer wall of inner tube.Setting by reducing section, it is not necessary to increase other auxiliaries and can be connected formation with outer tube very
Cavity.
As improvement, during construction, the reducing section of outer tube one end is welded with outer wall of inner tube, heating outer tube go forward side by side trip temperature protect
Hold, in a heated state, the reducing section of the outer tube other end is welded with outer wall of inner tube.So can eliminate pipeline ventilation be heated after
Produced stress.
The connection running-on for being connected is formed with adjacent tubes as improvement, described inner pipe end and reducing section outer wall.
Described connection running-on is wedge mouth, for the socket with adjacent tubes, thus reduces site operation amount further.
As improvement, described vacuum heat-preserving tube also includes heat insulation joint, described heat insulation joint respectively with adjacent two
The connection running-on of vacuum heat-preserving tube connects, and described heat insulation joint has been sequentially distributed the first heat-insulation layer, the second insulation from inside to outside
Layer and anticorrosive coat.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum heat-preserving tube embodiment 1 of the present invention.
Fig. 2 is the structural representation of vacuum heat-preserving tube embodiment 2 of the present invention.
Fig. 3 be vacuum heat-preserving tube of the present invention eliminate stress step schematic diagram.
As shown in the figure 1, inner tube, 2, outer tube, 3, vacuum chamber, 4, evacuation interface, 5, reducing section, 6, connect running-on, 7, every
Hot joint, 7.1, joint inner tube, 7.2, joint outer tube, 7.3, insulation bushing, the 7.4, first heat-insulation layer, the 7.5, second heat-insulation layer,
7.6, anticorrosive coat.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but the present invention is not restricted to these
Embodiment.
The present invention contains any replacement, amendment, equivalent method and scheme made in the spirit and scope of the present invention.For
Make the public that the present invention to be had to understand thoroughly, in present invention below preferred embodiment, concrete details is described in detail, and
The description not having these details for a person skilled in the art can also understand the present invention completely.Additionally, the accompanying drawing of the present invention
In for the needs illustrated, be not the most accurately drawn to scale, be explained at this.
As it is shown in figure 1, be the vacuum heat-preserving tube embodiment 1 of the present invention, including body, described body includes inner tube 1 He
Outer tube 2, described inner tube 1 is arranged in outer tube 2, and described inner tube 1, under the cladding of outer tube 2, forms therebetween vacuum chamber
3, described outer tube 2 is provided with evacuation interface 4.
The two ends of said inner tube 1 are reducing section 5, and the outside bore of reducing section 5 is more than inner side bore, the end of reducing section 5
It is connected on the inwall of outer tube 2.By the setting of reducing section 5, can be connected formation vacuum chamber with outer tube, vacuum chamber is in reducing section
5 is more relatively small.
During construction, the reducing section 5 of inner tube 1 one end is welded with outer tube 2 inwall, heating inner tube 1 go forward side by side trip temperature keep, adding
Under Warm status, the reducing section 5 of inner tube 1 other end is welded with outer tube 2 inwall.
Described outer tube 2 end and reducing section 5 inwall form the connection running-on 6 for being connected with adjacent tubes.Described
Connecting running-on is wedge mouth, for the socket with adjacent tubes.
Described vacuum heat-preserving tube also includes that heat insulation joint 7, described heat insulation joint 7 include joint inner tube 7.1 and joint
Outer tube 7.2, it is internal that described joint inner tube 7.1 is arranged at joint outer tube 7.2, and be provided with between and be connected running-on 6
The insulation bushing 7.3 matched.Two adjacent casings can either be socketed, the connected mode of this given shape, its good airproof performance, heat insulation
Lining can play the effect of heat-insulating and sealing at butt joint.
The end of described heat insulation joint is provided with high-temperature sealing material layer.After adjacent tubes connects, by high-temperature sealing material
After layer is heated to fusing point, automatic-sealed.
As in figure 2 it is shown, be the vacuum heat-preserving tube embodiment 2 of the present invention, the two ends of described outer tube 2 are reducing section 5, reducing section
The outside bore of 5 is less than inner side bore, and the end of reducing section 5 is connected on the outer wall of inner tube 1.
Described inner tube 1 end and reducing section 5 outer wall form the connection running-on 6 for being connected with adjacent tubes.Described
Connecting running-on is wedge mouth, for the socket with adjacent tubes.
Described vacuum heat-preserving tube also includes heat insulation joint 7, described heat insulation joint 7 respectively with adjacent two vacuum heat-preservings
The connection running-on 6 of pipe connects, and described heat insulation joint has been sequentially distributed first heat-insulation layer the 7.4, second heat-insulation layer 7.5 from inside to outside
With anticorrosive coat 7.6.
As it is shown on figure 3, be the step schematic diagram eliminating stress in embodiments of the invention 2, mainly include that three below walks
Rapid: during construction, the reducing section 5 of outer tube 2 one end is welded with inner tube 1 outer wall, heating outer tube 2 go forward side by side trip temperature keep, heating shape
Under state, the reducing section 5 of outer tube 2 other end is welded with inner tube 1 outer wall.At this to implement 2 citings, it can thus be appreciated that embodiment 1 is also
Corresponding so realization.
The operation principle of the present invention is as follows: owing to forming vacuum chamber between inner tube and outer tube, will be true by evacuation interface
Body head and the tail are connected, prefabricated before construction complete, be socketed at the construction field (site) by the air extraction in cavity；The present invention adopts
With vacuum mode, its heat preservation and insulation is better than heat preserving and insulating material, and the coefficient of heat conduction is substantially reduced, and also reduces scene simultaneously
Construction volume.After eliminating stress process, using process expanded by heating amount minimum, normal mounting is without the concern for thermal expansion.
Below only preferred embodiment of the present invention is described, but is not to be construed as limitations on claims.This
Invention is not only limited to above example, and its concrete structure allows to change.In a word, all guarantors in independent claims of the present invention
The various changes made in the range of protecting are the most within the scope of the present invention.
Claims (10)
1. a vacuum heat-preserving tube, including body, it is characterised in that: described body includes inner tube (1) and outer tube (2), described
Inner tube (1) be arranged at outer tube (2) in, described inner tube (1), under the cladding of outer tube (2), forms therebetween vacuum chamber
(3), described outer tube (2) is provided with evacuation interface (4).
Vacuum heat-preserving tube the most according to claim 1, it is characterised in that: the two ends of said inner tube (1) are reducing section (5),
The outside bore of reducing section (5) is more than inner side bore, and the end of reducing section (5) is connected on the inwall of outer tube (2).
Vacuum heat-preserving tube the most according to claim 2, it is characterised in that: during construction, the reducing section (5) of inner tube (1) one end
Welding with outer tube (2) inwall, heating inner tube (1) trip temperature of going forward side by side keeps, in a heated state, and different by inner tube (1) other end
Footpath section (5) is welded with outer tube (2) inwall.
Vacuum heat-preserving tube the most according to claim 2, it is characterised in that: outer tube (2) end described in and reducing section (5)
Inwall forms the connection running-on (6) for being connected with adjacent tubes.
5. according to the vacuum heat-preserving tube described in Claims 2 or 3, it is characterised in that: described vacuum heat-preserving tube also includes heat insulation
Joint (7), described heat insulation joint (7) includes joint inner tube (7.1) and joint outer tube (7.2), described joint inner tube (7.1)
It is arranged at joint outer tube (7.2) internal, and is provided with between and is connected the insulation bushing (7.3) that running-on (6) matches.
Vacuum heat-preserving tube the most according to claim 4, it is characterised in that: the end of described heat insulation joint (7) is provided with high temperature
Sealing material layer.
Vacuum heat-preserving tube the most according to claim 1, it is characterised in that: the two ends of described outer tube (2) are reducing section (5),
The outside bore of reducing section (5) is less than inner side bore, and the end of reducing section (5) is connected on the outer wall of inner tube (1).
Vacuum heat-preserving tube the most according to claim 7, it is characterised in that: during construction, the reducing section (5) of outer tube (2) one end
Welding with inner tube (1) outer wall, heating outer tube (2) trip temperature of going forward side by side keeps, in a heated state, and different by outer tube (2) other end
Footpath section (5) is welded with inner tube (1) outer wall.
Vacuum heat-preserving tube the most according to claim 7, it is characterised in that: described inner tube (1) end and reducing section (5) are outward
Wall forms the connection running-on (6) for being connected with adjacent tubes.
10. according to the vacuum heat-preserving tube described in claim 7 or 8, it is characterised in that: described vacuum heat-preserving tube also includes heat insulation
Joint (7), described heat insulation joint (7) connects with the connection running-on (6) of adjacent two vacuum heat-preserving tubes respectively, and described is heat insulation
Joint has been sequentially distributed the first heat-insulation layer (7.4), the second heat-insulation layer (7.5) and anticorrosive coat (7.6) from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769941.0A CN106195531A (en) | 2016-08-31 | 2016-08-31 | Vacuum heat-preserving tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769941.0A CN106195531A (en) | 2016-08-31 | 2016-08-31 | Vacuum heat-preserving tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106195531A true CN106195531A (en) | 2016-12-07 |
Family
ID=58089748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769941.0A Pending CN106195531A (en) | 2016-08-31 | 2016-08-31 | Vacuum heat-preserving tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195531A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044127A (en) * | 2018-07-17 | 2018-12-21 | 刘允龙 | Calabash shape vacuum heat-insulating container and processing method |
| CN111417330A (en) * | 2017-07-07 | 2020-07-14 | 概念集团有限责任公司 | Joint structure for vacuum insulation product |
| CN113397690A (en) * | 2021-06-18 | 2021-09-17 | 上海导向医疗系统有限公司 | Method and system for machining vacuum wall of ablation needle and vacuum wall of ablation needle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0104790B1 (en) * | 1982-08-31 | 1987-01-14 | The Babcock & Wilcox Company | Apparatus for the delivery of hot fluids and methods of maintaining a vacuum in such apparatus |
| CN1177699A (en) * | 1997-08-13 | 1998-04-01 | 辽河石油勘探局机械修造集团公司 | Vacuum heat-insulation oil pipe and manufacturing technology therefor |
| FR2758872B1 (en) * | 1997-01-30 | 1999-03-19 | Itp | THERMAL INSULATION ENCLOSURE, PARTICULARLY FOR THE CONSTRUCTION OF UNDERWATER PIPES CARRYING OIL PRODUCTS |
| CN102927378A (en) * | 2012-11-26 | 2013-02-13 | 中国平煤神马集团阳光物业有限公司 | Vacuum vertical burying heating pipe |
| CN105822870A (en) * | 2015-01-04 | 2016-08-03 | 刘正彬 | Insulating pipe |
| CN206329864U (en) * | 2016-08-31 | 2017-07-14 | 宁波万里管道有限公司 | Vacuum heat-preserving tube |
-
2016
- 2016-08-31 CN CN201610769941.0A patent/CN106195531A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0104790B1 (en) * | 1982-08-31 | 1987-01-14 | The Babcock & Wilcox Company | Apparatus for the delivery of hot fluids and methods of maintaining a vacuum in such apparatus |
| FR2758872B1 (en) * | 1997-01-30 | 1999-03-19 | Itp | THERMAL INSULATION ENCLOSURE, PARTICULARLY FOR THE CONSTRUCTION OF UNDERWATER PIPES CARRYING OIL PRODUCTS |
| CN1177699A (en) * | 1997-08-13 | 1998-04-01 | 辽河石油勘探局机械修造集团公司 | Vacuum heat-insulation oil pipe and manufacturing technology therefor |
| CN102927378A (en) * | 2012-11-26 | 2013-02-13 | 中国平煤神马集团阳光物业有限公司 | Vacuum vertical burying heating pipe |
| CN105822870A (en) * | 2015-01-04 | 2016-08-03 | 刘正彬 | Insulating pipe |
| CN206329864U (en) * | 2016-08-31 | 2017-07-14 | 宁波万里管道有限公司 | Vacuum heat-preserving tube |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417330A (en) * | 2017-07-07 | 2020-07-14 | 概念集团有限责任公司 | Joint structure for vacuum insulation product |
| CN109044127A (en) * | 2018-07-17 | 2018-12-21 | 刘允龙 | Calabash shape vacuum heat-insulating container and processing method |
| CN113397690A (en) * | 2021-06-18 | 2021-09-17 | 上海导向医疗系统有限公司 | Method and system for machining vacuum wall of ablation needle and vacuum wall of ablation needle |
| CN113397690B (en) * | 2021-06-18 | 2022-08-19 | 上海导向医疗系统有限公司 | Method and system for machining vacuum wall of ablation needle and vacuum wall of ablation needle |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |
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| WD01 | Invention patent application deemed withdrawn after publication |