CN102374363A - Vacuum tube for thermal insulation system - Google Patents
Vacuum tube for thermal insulation system Download PDFInfo
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- CN102374363A CN102374363A CN201010263380XA CN201010263380A CN102374363A CN 102374363 A CN102374363 A CN 102374363A CN 201010263380X A CN201010263380X A CN 201010263380XA CN 201010263380 A CN201010263380 A CN 201010263380A CN 102374363 A CN102374363 A CN 102374363A
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- vacuum
- tube
- outer tube
- insulation system
- pumping tube
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Abstract
The invention provides a vacuum tube for a thermal insulation system. The thermal insulation system comprises an outer tube, an inner tube and a thermal insulation layer, wherein the inner tube is sleeved in the outer tube; and the thermal insulation layer is positioned between the inner tube and the outer tube; and a vacuum device comprises at least one vacuum tube which is positioned between the thermal insulation layer and the outer tube and is a hollow tube, wherein a plurality of holes are arranged in the side of the vacuum tube, one end of the vacuum tube is connected with a vacuumizer, the cross section of the vacuum tube is omega-shaped, and the opening of the 'omega' faces the thermal insulation layer. According to the vacuum tube for the thermal insulation system, the omega-shaped vacuum tube is arranged in the outer tube, and can very conveniently vacuumize the thermal insulation system through being connected with the vacuumizer, so the working efficiency is improved.
Description
Technical field
The invention belongs to the heating power transmission field, be meant a kind of vacuum-pumping tube that is used for insulation system especially.
Background technique
For some heat energy applications, like the solar energy heat utilization, need being delivered to other makes land used with producing from heating power with the heat transport medium (like water or conduction oil) of high temperature.In this course of conveying; For preventing thermal loss, industry is usually at transfer canal outerwrap 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.To this problem, industry is also developed insulation system, specifically can be with reference to shown in the Chinese patent 02263826.1; But this kind structure all need be installed air check valve on outer tube; With the space vacuum pumping between interior pipe and the outer tube, the deficiency of this kind mode is that outer tube is difficult for being inserted in after the peripheral coating of interior pipe thermoinsulation material through vacuum pumping device; Be difficult for thereby cause installing, be unfavorable for reducing manufacture cost; In addition, this mode that vacuumizes is on outer tube, to offer a hole, vacuumizes through this hole with evacuator, and this method not only needs bigger power, and the effect that vacuumizes is also undesirable.
Summary of the invention
The object of the present invention is to provide a kind of vacuum-pumping tube that is used for insulation system, solve the vacuum-pumping tube that is used for insulation system that exists in the existing technology and vacuumize the unfavorable problem of effect.
To achieve these goals, the invention provides a kind of vacuum-pumping tube that is used for insulation system, said insulation system comprises: outer tube; Interior pipe is sheathed in the said outer tube; Heat insulation layer, in said the pipe and said outer tube between; At least one vacuum-pumping tube, all between said heat insulation layer and said outer tube, an end of said vacuum-pumping tube all links to each other with an evacuator; The cross section of said vacuum-pumping tube is " Ω " shape, and the opening of said " Ω " is towards said heat insulation layer.
Optional, said outer tube comprises first outer tube and second outer tube, connects through a bellows between said first outer tube and said second outer tube.
Optional, the said vacuum-pumping tube that is used for insulation system also comprises an annulus, by said annulus, the two ends of pipe in said and said outer tube is welded as a whole, realizes said interior manage and outer tube between sealing.
Optional, said heat insulation layer is made up of thermoinsulation material and the fexible film that coats said thermoinsulation material.
Optional, said thermoinsulation material is nanoporous aerogel, foamed plastics, ultra-fine fibre glass, mineral cotton goods, expansion pearlite thermal insulation product, foaming cement thermal insulation goods or rubber powder EPS granule thermal insulation slurry.
Optional, said fexible film is an aluminum foil paper.
Optional, said insulation system also comprises a plurality of fixed sleevings, said fixed sleeving is sheathed on the regional two ends that said heat insulation layer coats.
Owing to adopted technique scheme; Compared with prior art; The present invention has the following advantages: a kind of interior vacuum-pumping tube that " Ω " shape is set of vacuum-pumping tube outer tube that is used for insulation system of the present invention; Can vacuumize insulation system very easily through connecting evacuator, improve working efficiency.
Description of drawings
Fig. 1 is a kind of first embodiment's schematic representation that is used for the vacuum-pumping tube of insulation system of the present invention.
Fig. 2 is a kind of second embodiment's schematic representation that is used for the vacuum-pumping tube of insulation system of the present invention.
Fig. 3 is a kind of vacuum-pumping tube schematic cross-section that is used for the vacuum-pumping tube of insulation system of the present invention.
Embodiment
Do detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
At first, please refer to Fig. 1, Fig. 1 is a kind of schematic representation that is used for the vacuum-pumping tube of insulation system of the present invention; From figure, can see; A kind of vacuum-pumping tube that is used for insulation system of the present invention comprises: interior pipe 10, and said interior pipe 10 is used to carry heat transport medium, and said interior pipe is carbon steel tube; Heat insulation layer, be arranged at said in pipe 10 periphery, said heat insulation layer is made up of thermoinsulation material 13 and the fexible film 12 that coats said thermoinsulation material 13; Said thermoinsulation material 13 is nanoporous aerogel, foamed plastics, ultra-fine fibre glass, mineral cotton goods, expansion pearlite thermal insulation product, foaming cement thermal insulation goods or rubber powder EPS granule thermal insulation slurry, and said fexible film is an aluminum foil paper, and adopting the reason of aluminum foil paper is the soft easy deformation of aluminium foil papery; As paper, and do not rebound after the distortion, guarantee shading; Can not drop; Pollution-free, and cost is low, and said fexible film 12 two ends stick with glue and connect and fold; Make said glue between said thermoinsulation material 13 and said outer tube 11; For fexible film, the back can be introduced in detail, and said glue is polyurethane binder, epoxy type adhesive, polystyrene, palyacrylate binder, silicone rubber adhesive or ethylene-vinyl acetate copolymer; Outer tube 11 is sheathed on outside the said heat insulation layer, and the closed at both ends of said outer tube 11; The said vacuum-pumping tube that is used for insulation system also comprises an annulus 15, by said annulus 15, the two ends of pipe 10 in said and said outer tube 11 is welded as a whole; Realize the sealing between said interior pipe 10 and the outer tube 11; Said outer tube 11 with said in pipe 10 the same, also be carbon steel tube, be the thermal distortion of assurance outer tube 11; Said outer tube 11 comprises first outer tube and second outer tube, connects through a bellows 16 between said first outer tube and said second outer tube.Said vacuum pumping device comprises: at least one vacuum-pumping tube 14; All between said thermoinsulation material 13 and said outer tube 11; The cross section of said vacuum-pumping tube 14 is " Ω " shape; The opening of said " Ω " is towards said heat insulation layer, and an end of said vacuum-pumping tube 14 all links to each other with an evacuator (not looking among the figure).In the embodiment in figure 1, only be provided with a vacuum-pumping tube 14.
Then; Please refer to Fig. 2; Fig. 2 is a kind of second embodiment's schematic representation that is used for the vacuum-pumping tube of insulation system of the present invention, among the embodiment of Fig. 2, is provided with two vacuum-pumping tubes 14; All between said thermoinsulation material 13 and said outer tube 11, an end of said vacuum-pumping tube 14 all links to each other with an evacuator (not looking among the figure).In addition, the quantity of vacuum-pumping tube 14 also can be three, four etc., can place the vacuum-pumping tube 14 of respective numbers according to the actual requirements.
Then, please refer to Fig. 3, Fig. 3 is a kind of vacuum-pumping tube schematic cross-section that is used for the vacuum-pumping tube of insulation system of the present invention; On scheming, can find out; The cross section of vacuum-pumping tube 14 is " Ω " shape, and the opening of said " Ω " is towards said heat insulation layer, at vacuum-pumping tube 14 with after evacuator is connected; Gas in the thermoinsulation material 13 is drawn out of from the opening of " Ω ", thereby is convenient to vacuumize.
Though the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art are not breaking away from the spirit and scope of the present invention, all can do various changes and modification, so protection scope of the present invention should be as the criterion with claim institute restricted portion.
Claims (7)
1. vacuum-pumping tube that is used for insulation system, said insulation system comprises:
Outer tube;
Interior pipe is sheathed in the said outer tube;
Heat insulation layer, in said the pipe and said outer tube between;
At least one vacuum-pumping tube, all between said heat insulation layer and said outer tube, an end of said vacuum-pumping tube all links to each other with an evacuator;
It is characterized in that:
The cross section of said vacuum-pumping tube is " Ω " shape, and the opening of said " Ω " is towards said heat insulation layer.
2. the vacuum-pumping tube that is used for insulation system according to claim 1 is characterized in that: said outer tube comprises first outer tube and second outer tube, connects through a bellows between said first outer tube and said second outer tube.
3. the vacuum-pumping tube that is used for insulation system according to claim 1; It is characterized in that: the said vacuum-pumping tube that is used for insulation system also comprises an annulus; By said annulus, the two ends of pipe in said and said outer tube are welded as a whole, realizes said interior manage and outer tube between sealing.
4. the vacuum-pumping tube that is used for insulation system according to claim 1 is characterized in that: said heat insulation layer is made up of thermoinsulation material and the fexible film that coats said thermoinsulation material.
5. the vacuum-pumping tube that is used for insulation system according to claim 4 is characterized in that: said thermoinsulation material is nanoporous aerogel, foamed plastics, ultra-fine fibre glass, mineral cotton goods, expansion pearlite thermal insulation product, foaming cement thermal insulation goods or rubber powder EPS granule thermal insulation slurry.
6. the vacuum-pumping tube that is used for insulation system according to claim 4 is characterized in that: said fexible film is an aluminum foil paper.
7. the vacuum-pumping tube that is used for insulation system according to claim 1 is characterized in that: said insulation system also comprises a plurality of fixed sleevings, and said fixed sleeving is sheathed on the regional two ends that said heat insulation layer coats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010263380XA CN102374363A (en) | 2010-08-25 | 2010-08-25 | Vacuum tube for thermal insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010263380XA CN102374363A (en) | 2010-08-25 | 2010-08-25 | Vacuum tube for thermal insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374363A true CN102374363A (en) | 2012-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010263380XA Pending CN102374363A (en) | 2010-08-25 | 2010-08-25 | Vacuum tube for thermal insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102374363A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412826A (en) * | 1990-05-02 | 1992-01-17 | Toppan Printing Co Ltd | Sticking method and object made by using it |
| JP2000081192A (en) * | 1998-09-04 | 2000-03-21 | Benkan Corp | Heat insulation pipe |
| CN1391641A (en) * | 1999-11-22 | 2003-01-15 | 布伊格海上设备公司 | Insulating tubular complex for pipes |
| CN1459013A (en) * | 2001-03-09 | 2003-11-26 | 工程吸气公司 | Tubular thermoinsulating device and process for manufacture thereof |
| CN1595040A (en) * | 2004-02-13 | 2005-03-16 | 李建民 | Curved heat pipe |
| CN1610803A (en) * | 2002-03-25 | 2005-04-27 | 住友电气工业株式会社 | Vacuum-insulated pipe |
| CN101644372A (en) * | 2009-08-21 | 2010-02-10 | 湖北贵族真空科技股份有限公司 | Vacuum compound heat insulating pipe |
| CN201475593U (en) * | 2009-05-31 | 2010-05-19 | 北京环能海臣科技有限公司 | Insulating pipe sleeve using glass vacuum tube as insulating layer |
| CN101726119A (en) * | 2008-10-24 | 2010-06-09 | 董宜昌 | Heat absorption pipe |
-
2010
- 2010-08-25 CN CN201010263380XA patent/CN102374363A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412826A (en) * | 1990-05-02 | 1992-01-17 | Toppan Printing Co Ltd | Sticking method and object made by using it |
| JP2000081192A (en) * | 1998-09-04 | 2000-03-21 | Benkan Corp | Heat insulation pipe |
| CN1391641A (en) * | 1999-11-22 | 2003-01-15 | 布伊格海上设备公司 | Insulating tubular complex for pipes |
| CN1459013A (en) * | 2001-03-09 | 2003-11-26 | 工程吸气公司 | Tubular thermoinsulating device and process for manufacture thereof |
| CN1610803A (en) * | 2002-03-25 | 2005-04-27 | 住友电气工业株式会社 | Vacuum-insulated pipe |
| CN1595040A (en) * | 2004-02-13 | 2005-03-16 | 李建民 | Curved heat pipe |
| CN101726119A (en) * | 2008-10-24 | 2010-06-09 | 董宜昌 | Heat absorption pipe |
| CN201475593U (en) * | 2009-05-31 | 2010-05-19 | 北京环能海臣科技有限公司 | Insulating pipe sleeve using glass vacuum tube as insulating layer |
| CN101644372A (en) * | 2009-08-21 | 2010-02-10 | 湖北贵族真空科技股份有限公司 | Vacuum compound heat insulating pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |