CN101349375A - Vacuum thermal insulation plate for water heater and preparation method thereof - Google Patents
Vacuum thermal insulation plate for water heater and preparation method thereof Download PDFInfo
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- CN101349375A CN101349375A CN 200710044988 CN200710044988A CN101349375A CN 101349375 A CN101349375 A CN 101349375A CN 200710044988 CN200710044988 CN 200710044988 CN 200710044988 A CN200710044988 A CN 200710044988A CN 101349375 A CN101349375 A CN 101349375A
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- vacuum heat
- layer
- insulating plate
- water heater
- vacuum insulation
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Abstract
Disclosed is a vacuum insulation panel for water heaters, which has a sandwich structure, wherein an inner layer and an outer layer are gas insulation structure layers, a vacuum insulation layer formed by gas adsorption materials and core insulating materials is arranged between the two gas insulation structure layers, and the vacuum insulation panel is a cylindrical structure. The vacuum insulation panel is equipped with a plurality of additional designing holes. The vacuum insulation panel of the invention is arranged between the inner container and the outer casing of the water heater but close to the outer casing, water inlet and outlet pipelines are arranged through the additional designing holes, and the vacuum insulation panel is shaped via secondary foaming by adding end covers on two sides. The invention further discloses a process for preparing the vacuum insulation panel. The vacuum insulation panel can be used in circular pipelines or cylindrical objects, and particularly can be used in water heaters, thereby expanding usage occasion of the vacuum insulation panel, and resolving the problem that energy can be lost when the circular pipelines convey cold and hot source fluid or the cylindrical objects stores heat accumulation or cold accumulation materials. The vacuum insulation panel of the invention is particularly adaptable to water heaters, especially for heat preservation of solar water heaters and domestic water heaters.
Description
Technical field
The present invention relates to a kind of vacuum heat-insulating plate, relate in particular to a kind of vacuum heat-insulating plate that is used for the cylindrical shape of water heater and has additional design.The invention still further relates to the preparation method of this vacuum heat-insulating plate.
Technical background
At present, vacuum heat-insulating plate is mainly used in refrigerating equipments such as refrigerator, refrigerator.In view of the structure shape of this class insulation cold insulation equipment itself, vacuum heat-insulating plate also is processed to rectangular or square with on the inner liner wall that conveniently is bonded in refrigerator, refrigerator, freezer, passenger traffic railway carriage or movable plank house.Obviously, such structure shape can't be applied to circular pipe or columnar structured wall, especially can't be used for the such product of water heater.
The outer shape of vacuum heat-insulating plate is main relevant with the shape of core, and the acquisition of core shape mainly is to realize by the mould of machining or foaming.Traditional processing mold can only process regular rectangular or square, and the vacuum heat-insulating plate that obtains like this can only use as thermal insulating material under flat occasion.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of columnar vacuum heat-insulating plate that has additional design that is applicable to water heater.
Two of technical problem to be solved by this invention is to provide a kind of preparation method of above-mentioned vacuum heat-insulating plate.
A kind of vacuum heat-insulating plate that is used for water heater as first aspect present invention, has sandwich structure, wherein inside and outside layer is the trapping construction layer, it between the two-layer trapping construction layer vacuum heat-insulating layer that gas absorption material and sandwich layer thermal-protective material constitute, it is characterized in that described vacuum heat-insulating plate is columnar structured.
In the present invention, offer the inlet/outlet of water heater inlet and outlet pipe on the described vacuum heat-insulating plate or/and the heater power source inlet/outlet.If this vacuum heat-insulating plate is applied in the solar water heater, on described vacuum heat-insulating plate, offer the solar energy water heater pipe mouth.
In the present invention, described sandwich layer thermal-protective material is made of the thermal insulating material of form of powdery particles.Or constitute by glass fibre.Or constitute by foam material.
In the present invention, described gas absorption material is made up of siccative, barium aluminium alloy and cobalt oxide, and it is added in the sandwich layer thermal-protective material.
In the present invention, described trapping construction layer is made of the multilayer hardened layer more than one deck at least.Comprise also that in described trapping construction layer one deck plays the plastic layer of shielding action.Perhaps also comprise the layer of metal thin layer.This metal thin layer is an aluminium foil.
Vacuum heat-insulating plate overall structure of the present invention is a cylindrical shape, and has additional design, is particularly suitable for the insulation of water heater.This vacuum heat-insulating plate is attached to tube wall one side and process secondary frothing forming.
Preparation method as the vacuum heat-insulating plate of second aspect present invention is characterized in that, comprises the steps:
1, in special processed mould, adopts the mode of machinery or foaming, the sandwich layer thermal-protective material is processed into cylindrical shape;
2, processing obtains several additional design holes through secondary mechanical on the barrel of the cylindrical shape of step 1 gained;
3, on the cylindrical shape of step 2 gained, add the gas absorption material and obtain vacuum heat-insulating layer;
4, the vacuum heat-insulating layer that adopts the encapsulation of trapping construction layer to obtain by step 3, and integral body is placed on is evacuated to vacuum heat-insulating layer in the vacuum chamber and needs behind the pressure trapping sealing structure to be obtained vacuum heat-insulating plate.
The invention has the beneficial effects as follows: particularly use on the water heater at circular pipe or cylindrical shaped body, expanded the use occasion of vacuum heat-insulating plate, solved present circular pipe object and carried cold ﹠ heat source fluid or cylindrical object to preserve the problem of accumulation of heat or cold-accumulating material energy loss.Vacuum heat-insulating plate of the present invention is particularly useful for the particularly insulation of solar water heater and family expenses shower heater of water heater.
Description of drawings
Fig. 1 is a vacuum heat-insulating plate sectional drawing of the present invention.
Fig. 2 is the schematic perspective view of vacuum heat-insulating plate of the present invention.
Fig. 3 is the use erection drawing of vacuum heat-insulating plate of the present invention on water heater.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
According to Fig. 1 and Fig. 2, vacuum heat-insulating plate 4 of the present invention has sandwich structure, and wherein inside and outside layer is trapping construction layer 3, be the vacuum heat-insulating layer that gas absorption material 1 and sandwich layer thermal-protective material 2 constitute between the two-layer trapping construction layer 3, this vacuum heat-insulating plate is columnar structured.
Sandwich layer thermal-protective material 2 is good and be easy to the powder particle material of machining, shape such as perlite for insulation effect; Perhaps adopt glass fibre; The perhaps hole-opening foaming material of shape such as PU or PS.It is cylindric that sandwich layer thermal-protective material 2 adopts the mode of machinery or foaming to be processed in special processed mould, and through secondary mechanical processing, add additional design hole 5.Here additional design hole 5 is meant that on vacuum heat-insulating plate 4 reserving hot water device inlet and outlet pipe imports and exports, and perhaps heater power source is imported and exported, perhaps required hole such as solar energy water heater pipe mouth.The gas absorption material of being made up of siccative, barium lithium alloy and cobalt oxide etc. 1 is evenly arranged in the thermal-protective material 2.
Trapping construction layer 3 is composited by multilayer materials, mainly comprises one deck or multilayer hardened layer, comprises that also one deck plays the plastics composite bed of shielding action, also can comprise metal thin layers such as one deck aluminium foil sometimes.Gas absorption material 1 and sandwich layer thermal-protective material 2 are encapsulated in the trapping construction layer 3.5 carry out special heat-seal process in the additional design hole, guarantee 3 sealings of trapping construction layer.Above-mentioned integral body is placed on is evacuated to sandwich layer thermal-protective material 2 in the vacuum chamber and needs behind the pressure 3 sealings of trapping construction layer are promptly obtained vacuum heat-insulating plate 4 of the present invention.
According to Fig. 3, vacuum heat-insulating plate 4 of the present invention is placed in the inner bag 6 and shell 7 of water heater, shell 7 one sides are close in requirement, and guarantee inner bag pipe hole 8, the additional design hole 5 on the vacuum heat-insulating plate 4, the reservation pipe hole 9 on the shell 7 and design pipeline 10 strict couplings on the inner bag 6.Add end-blocking end cap 11 and end cap 12 at the water heater two ends, arrange pipeline, then secondary frothing forming.
More than be the specific embodiment of the present invention,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize purpose of the present invention equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present invention.
Claims (11)
1, a kind of vacuum heat-insulating plate that is used for water heater, have sandwich structure, wherein inside and outside layer is the trapping construction layer, is the vacuum heat-insulating layer that gas absorption material and sandwich layer thermal-protective material constitute between the two-layer trapping construction layer, it is characterized in that described vacuum heat-insulating plate is columnar structured.
2, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, offers some additional design hole on the described vacuum heat-insulating plate.
3, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, described sandwich layer thermal-protective material is made of the thermal insulating material of form of powdery particles.
4, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, described sandwich layer thermal-protective material is made of glass fibre.
5, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, described sandwich layer thermal-protective material is made of foam material.
6, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, described gas absorption material is made up of siccative, barium aluminium alloy and cobalt oxide, and it is added in the sandwich layer thermal-protective material.
7, the vacuum heat-insulating plate that is used for water heater according to claim 1 is characterized in that, described trapping construction layer is made of the multilayer hardened layer more than one deck at least.
8, the vacuum heat-insulating plate that is used for water heater according to claim 7 is characterized in that, comprises also in the described trapping construction layer that one deck plays the plastic layer of shielding action.
9, the vacuum heat-insulating plate that is used for water heater according to claim 7 is characterized in that, also comprises the layer of metal thin layer.
10, the vacuum heat-insulating plate that is used for water heater according to claim 7 is characterized in that, described metal thin layer is an aluminium foil.
11, a kind of described method that is used for the vacuum heat-insulating plate of water heater of claim 1 for preparing is characterized in that, comprises the steps:
(1), in special processed mould, adopt the mode of machinery or foaming, the sandwich layer thermal-protective material is processed into cylindrical shape;
(2), processing obtains several additional design holes through secondary mechanical on the barrel of the cylindrical shape of step (1) gained;
(3), on the cylindrical shape of step (2) gained, add the gas absorption material and obtain vacuum heat-insulating layer;
(4), the vacuum heat-insulating layer that adopts the encapsulation of trapping construction layer to obtain by step (3), and integral body is placed on is evacuated to vacuum heat-insulating layer in the vacuum chamber and needs behind the pressure trapping sealing structure to be obtained vacuum heat-insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710044988 CN101349375B (en) | 2007-08-17 | 2007-08-17 | Vacuum thermal insulation plate for water heater and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710044988 CN101349375B (en) | 2007-08-17 | 2007-08-17 | Vacuum thermal insulation plate for water heater and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101349375A true CN101349375A (en) | 2009-01-21 |
| CN101349375B CN101349375B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710044988 Expired - Fee Related CN101349375B (en) | 2007-08-17 | 2007-08-17 | Vacuum thermal insulation plate for water heater and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101349375B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793342A (en) * | 2010-03-05 | 2010-08-04 | 江苏秀强玻璃工艺股份有限公司 | Method for manufacturing non-rectangular sheet-shaped vacuum insulation plate |
| CN101963267A (en) * | 2010-10-09 | 2011-02-02 | 上海海事大学 | Air insulating structure of vacuum insulation panel and packaging method thereof |
| CN101526165B (en) * | 2009-03-27 | 2011-11-16 | 上海海事大学 | PU vacuum insulation panel and preparation method thereof |
| CN102393076A (en) * | 2011-10-31 | 2012-03-28 | 本科电器有限公司 | Water heater adopting vacuum insulation panel to insulate heat and preserve heat |
| CN102997425A (en) * | 2011-09-19 | 2013-03-27 | 福建赛特新材股份有限公司 | Water heater inner container |
| CN104154659A (en) * | 2014-07-29 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Water heater, combined plate of water heater and manufacturing method of water heater |
| CN107361689A (en) * | 2017-08-04 | 2017-11-21 | 杭州巨力绝缘材料有限公司 | Efficient low-consume bio-toilet lid and accumulation of heat constant temperature method |
| CN108146874A (en) * | 2017-12-08 | 2018-06-12 | 南京航空航天大学 | A kind of insulation construction integrated high-efficiency heat preservation cold-preserving container and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2117881T3 (en) * | 1994-11-04 | 1998-08-16 | Bayer Ag | INSULATING BODY FROM HEAT. |
| FR2801367B1 (en) * | 1999-11-22 | 2002-02-08 | Bouygues Offshore | INSULATING TUBULAR COMPLEX FOR COAXIAL PIPES |
| DE19957806A1 (en) * | 1999-12-01 | 2001-06-07 | Bsh Bosch Siemens Hausgeraete | Insulating wall |
-
2007
- 2007-08-17 CN CN 200710044988 patent/CN101349375B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526165B (en) * | 2009-03-27 | 2011-11-16 | 上海海事大学 | PU vacuum insulation panel and preparation method thereof |
| CN101793342A (en) * | 2010-03-05 | 2010-08-04 | 江苏秀强玻璃工艺股份有限公司 | Method for manufacturing non-rectangular sheet-shaped vacuum insulation plate |
| CN101793342B (en) * | 2010-03-05 | 2012-01-04 | 江苏秀强玻璃工艺股份有限公司 | Method for manufacturing non-rectangular sheet-shaped vacuum insulation plate |
| CN101963267A (en) * | 2010-10-09 | 2011-02-02 | 上海海事大学 | Air insulating structure of vacuum insulation panel and packaging method thereof |
| CN102997425A (en) * | 2011-09-19 | 2013-03-27 | 福建赛特新材股份有限公司 | Water heater inner container |
| CN102997425B (en) * | 2011-09-19 | 2015-05-13 | 福建赛特新材股份有限公司 | Water heater inner container |
| CN102393076A (en) * | 2011-10-31 | 2012-03-28 | 本科电器有限公司 | Water heater adopting vacuum insulation panel to insulate heat and preserve heat |
| CN102393076B (en) * | 2011-10-31 | 2014-03-26 | 本科电器有限公司 | Water heater adopting vacuum insulation panel to insulate heat and preserve heat |
| CN104154659A (en) * | 2014-07-29 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Water heater, combined plate of water heater and manufacturing method of water heater |
| CN107361689A (en) * | 2017-08-04 | 2017-11-21 | 杭州巨力绝缘材料有限公司 | Efficient low-consume bio-toilet lid and accumulation of heat constant temperature method |
| CN108146874A (en) * | 2017-12-08 | 2018-06-12 | 南京航空航天大学 | A kind of insulation construction integrated high-efficiency heat preservation cold-preserving container and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101349375B (en) | 2012-12-12 |
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