CN102338262A - Vacuumizing device of thermal insulation system - Google Patents
Vacuumizing device of thermal insulation system Download PDFInfo
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- CN102338262A CN102338262A CN2010102308216A CN201010230821A CN102338262A CN 102338262 A CN102338262 A CN 102338262A CN 2010102308216 A CN2010102308216 A CN 2010102308216A CN 201010230821 A CN201010230821 A CN 201010230821A CN 102338262 A CN102338262 A CN 102338262A
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- outer tube
- insulation system
- vacuum
- pumping device
- pipe
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Abstract
The invention provides a vacuumizing device of a thermal insulation system. The thermal insulation system comprises an outer pipe, an inner pipe sleeved inside the outer pipe, and a thermal insulation layer positioned between the inner pipe and the outer pipe; and the vacuumizing device comprises at least one vacuumizing pipe arranged between the thermal insulation layer and the outer pipe, wherein the vacuumizing pipe is a hollow pipe, a plurality holes are formed on the side wall of the vacuumizing pipe, and one end of the vacuumizing pipe is connected with a vacuumizing machine. According to the vacuumizing device of the thermal insulation system provided by the invention, the vacuumizing pipe is arranged inside the outer pipe, and the thermal insulation system can be vacuumized very conveniently by connection with the vacuumizing machine, so that the working efficiency is increased.
Description
Technical field
The invention belongs to the heating power transmission field, be meant a kind of vacuum pumping device of 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 device of insulation system, the vacuum pumping device that solves the insulation system that exists in the existing technology vacuumizes the unfavorable problem of effect.
To achieve these goals, the invention provides a kind of vacuum pumping device of 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; Said vacuum pumping device comprises: at least one vacuum-pumping tube; All between said heat insulation layer and said outer tube; Said vacuum-pumping tube is a hollow tubular, and the sidewall of said vacuum-pumping tube is provided with a plurality of holes, and an end of said vacuum-pumping tube all links to each other with an evacuator.
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 vacuum pumping device of said 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: the vacuum pumping device of a kind of insulation system of the present invention is provided with a vacuum-pumping tube in outer tube, can vacuumize insulation system very easily through connecting evacuator, has improved working efficiency.
Description of drawings
Fig. 1 is first embodiment's schematic representation of the vacuum pumping device of a kind of insulation system of the present invention.
Fig. 2 is second embodiment's schematic representation of the vacuum pumping device of a kind of insulation system of the present invention.
Fig. 3 is the vacuum-pumping tube structural representation of the vacuum pumping device of a kind of insulation system of the present invention.
Fig. 4 is the vacuum-pumping tube schematic cross-section of the vacuum pumping device of a kind 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 the schematic representation of the vacuum pumping device of a kind of insulation system of the present invention; From figure, can see; The vacuum pumping device of a kind of 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 vacuum pumping device of said 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; Said vacuum-pumping tube 14 is a hollow tubular; The sidewall of said vacuum-pumping tube 14 is provided with a plurality of holes 16, 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 among the embodiment of Fig. 2, is provided with two vacuum-pumping tubes 14 for second embodiment's schematic representation of the vacuum pumping device of a kind of insulation system of the present invention; 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.
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. the vacuum pumping device of an 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;
It is characterized in that said vacuum pumping device comprises:
At least one vacuum-pumping tube, all between said heat insulation layer and said outer tube, said vacuum-pumping tube is a hollow tubular, and the sidewall of said vacuum-pumping tube is provided with a plurality of holes, and an end of said vacuum-pumping tube all links to each other with an evacuator.
2. the vacuum pumping device of insulation system according to claim 1, it 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 device of insulation system according to claim 1; It is characterized in that: the vacuum pumping device of said 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 device of 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 device of insulation system according to claim 4, it 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 device of insulation system according to claim 4, it is characterized in that: said fexible film is an aluminum foil paper.
7. the vacuum pumping device of insulation system according to claim 1, it is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102308216A CN102338262A (en) | 2010-07-20 | 2010-07-20 | Vacuumizing device of thermal insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102308216A CN102338262A (en) | 2010-07-20 | 2010-07-20 | Vacuumizing device of thermal insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102338262A true CN102338262A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102308216A Pending CN102338262A (en) | 2010-07-20 | 2010-07-20 | Vacuumizing device of thermal insulation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102338262A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672304A (en) * | 2013-11-07 | 2014-03-26 | 苏州市君悦新材料科技有限公司 | Novel nanometer thermal insulation material |
| CN110715173A (en) * | 2019-09-29 | 2020-01-21 | 西安交通大学 | Quick precooling transmission pipeline structure of low-temperature propellant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295899Y (en) * | 1997-03-19 | 1998-10-28 | 王小宁 | Metal membrane attached thermal insulating layer for high and low temperature installation containers and pipelines |
| 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 |
| 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 |
-
2010
- 2010-07-20 CN CN2010102308216A patent/CN102338262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295899Y (en) * | 1997-03-19 | 1998-10-28 | 王小宁 | Metal membrane attached thermal insulating layer for high and low temperature installation containers and pipelines |
| 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 |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672304A (en) * | 2013-11-07 | 2014-03-26 | 苏州市君悦新材料科技有限公司 | Novel nanometer thermal insulation material |
| CN103672304B (en) * | 2013-11-07 | 2016-06-15 | 苏州市君悦新材料科技股份有限公司 | A kind of nano-thermal-insulating insulation material |
| CN110715173A (en) * | 2019-09-29 | 2020-01-21 | 西安交通大学 | Quick precooling transmission pipeline structure of low-temperature propellant |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120201 |