CN208962618U - A kind of refractory metal foil vacuum heat insulation materials - Google Patents
A kind of refractory metal foil vacuum heat insulation materials Download PDFInfo
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- CN208962618U CN208962618U CN201820644477.7U CN201820644477U CN208962618U CN 208962618 U CN208962618 U CN 208962618U CN 201820644477 U CN201820644477 U CN 201820644477U CN 208962618 U CN208962618 U CN 208962618U
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Abstract
The utility model discloses a kind of refractory metal foil vacuum heat insulation materials, it is characterised in that the vacuum heat insulation materials include: plane layers of foil (1), concave surface layers of foil (2), articulamentum (3), vacuum seal (4), low conductive filler material (5)；The plane layers of foil (1) and concave surface layers of foil (2) are upper and lower bridging arrangement, are closely connect plane layers of foil (1) with concave surface layers of foil (2) by circle articulamentum (3).The vacuum heat insulation materials are resistant to 400 DEG C or more of high temperature, and it is excellent to keep the temperature heat-insulating property, and room temperature thermal coefficient can be down to 0.003W/ (mK) down to 0.0012W/ (mK), high temperature (400 DEG C) thermal coefficient.Vacuum heat insulation materials can be made to apply the high-temperature heat insulation field of thermal insulation in space flight, steel, petrochemical industry, electric power, hot industry equipment etc..
Description
Technical field
The utility model patent is related to a kind of vacuum heat insulation materials, more particularly, to a kind of refractory metal foil vacuum insulation
Material.
Background technique
Vacuum heat-insulating plate is one of vacuum thermal insulating material, and efficient thermal insulation material state-of-the-art in the world at present,
It is mainly made of core material, getter and gas barrier film three parts.Vacuum heat insulation materials are based on vacuum insulation principle, by choke
Filling core material and getter, thermal convection, heat transfer and hot spoke are reduced by improving film internal vacuum to greatest extent in film
It penetrates, thermal insulation is realized with this.The gas barrier film of vacuum heat insulation materials is particularly important, once perforation or broken occurs for gas barrier film
Damage, vacuum heat-insulating plate will lose its excellent thermal insulation property.
A kind of making method of vapor barrier film for vacuum heat insulating shield is disclosed in the patent of invention of Patent No. CN101767448B.
Air blocking thin film described in the patent includes upper layer material, intermediate layered material and lower layered material, upper layer material be selected from PDVC (polyvinylidene chloride),
PS (polystyrene) or PET (polyethylene terephthalate), intermediate layered material are selected from PE (polyethylene), PVOH (polyethylene
Alcohol), PA (nylon), EVOH (ethylene-vinyl alcohol copolymer), EVA (ethylene-vinyl acetate copolymer), PET or PP (poly- third
Alkene), lower layered material is PE.
The patent of invention of Patent No. CN105970742B discloses a kind of preparation method of vacuum heat-insulating plate.The patent institute
The film stated is to be formed with Al, VMPET, PA by the compound process high-temperature high frequency thermal-adhering of dry type with PE for interior adhesion coating.
A kind of vacuum heat-insulating plate is disclosed on the utility model patent of Patent No. ZL200420053407.2.The patent institute
The air blocking thin film stated from core material be from inside to outside respectively PA layers, pet layer, aluminium foil layer and PE layers.
A kind of vacuum heat-insulating building insulation board is disclosed on the utility model patent of Patent No. CN202248332U.This is specially
Air blocking thin film described in benefit includes layer structure and thermal synthesis layer, and layer structure is PA film or PET film or PVDC film or EVOH film, heat
Conjunction layer is PE film, CPP film or BOPP film.
A kind of vacuum heat-insulating plate convenient for application is disclosed on the utility model patent of Patent No. CN201680117U.It should
Air blocking thin film described in patent is metal, glass, PA, PI (polyimide), PE, PP.
Vacuum insulation panel products domestic at present, either household electrical appliances are used, freezing and refrigeration is used, industrial or vacuum for building
Heat-insulating shield is all that (vacuum heat-insulating plate outermost layer for building is accompanied by one using aluminum foil metal layer composite high-molecular layer film structure
Layer inorganic glass fibre cloth), and be all to carry out packaging by hot pressing vacuum heat-insulating plate in a manner of high-temperature fusion PE.PE, which is that ethylene is aggregated, to be made
A kind of thermoplastic resin, melting range be 112~135 DEG C.When ambient temperature is higher than 135 DEG C, vacuum heat-insulating plate choke
PE hot sealing layer melting in film, i.e., vacuum heat-insulating plate fails, and this aluminum foil metal layer composite high-molecular layer film structure
Intensity is lower, puncture resistance is low.Cause the vacuum heat-insulating plate heat-insulation material of the current country in space flight, steel, petrochemical industry, electricity
The high-temperature heat insulation field of thermal insulation of power, hot industry equipment etc. there is no application.
Summary of the invention
Goal of the invention: in order to solve the problems, such as that vacuum heat insulation materials non-refractory in the prior art, the utility model provide
A kind of refractory metal foil vacuum heat insulation materials, the refractory metal foil vacuum heat insulation materials are resistant to 400 DEG C or more of high temperature,
And it is excellent to keep the temperature heat-insulating property, and room temperature thermal coefficient can be down to 0.0012W/ (mK), and high temperature (400 DEG C) thermal coefficient can be low
To 0.003W/ (mK).
Technical solution: to achieve the goals above, a kind of refractory metal foil vacuum heat insulating material described in the utility model
Material, it is characterised in that it includes: plane layers of foil (1), concave surface layers of foil (2), articulamentum (3), vacuum seal (4), low conductive filler
Material (5)；The plane layers of foil (1) and concave surface layers of foil (2) are upper and lower bridging arrangement, enclose articulamentum (3) for plane foil by one
Layer (1) is closely connect with concave surface layers of foil (2)；Vacuum seal (4) can be excellent on plane layers of foil (1) or in concave surface layers of foil (2)
Select concave surface layers of foil (2)；Low conductive filler material (5) is located in the cavity that plane layers of foil (1) and concave surface layers of foil (2) overlap joint is formed.
The plane layers of foil (1) is tabular metal foil, be can be by a kind selected in the group of following material composition or 1
Kind or more combination: silver foil, aluminium foil, copper foil, stainless steel foil；Plane layers of foil (1) is with a thickness of 50 μm~200 μm.
The concave surface layers of foil (2) is four side protrusions, intermediate sagging concave metal foil, be can be by following material composition
1 kind or a kind or more of the combination selected in group: silver foil, aluminium foil, copper foil, stainless steel foil；Concave surface layers of foil (2) with a thickness of 50 μm~
200μm。
The articulamentum (3) is the melting overlapping layer of plane layers of foil (1) and concave surface layers of foil (2).
The vacuum seal (4) is the brazing metal for melting joint filling.
The low conductive filler material (5) be porous insulation material, can be by selected in the group of following material composition 1
Kind or a kind or more of combination: such as mineral wool, rock/mineral wool, ceramic fibre, aeroge, nano inorganic particle inorganic heat preservation material
Material；The organic insulation materials such as polyurethane, polystyrene, phenolic resin, and can choose addition in low conductive filler material (5)
H2O or O2And N2Absorbent.
The utility model advantage is: refractory metal foil vacuum heat insulation materials are resistant to 400 DEG C or more of high temperature, and protect
Warm heat-insulating property is excellent, and room temperature thermal coefficient can be down to 0.0012W/ (mK), and high temperature (400 DEG C) thermal coefficient can be down to
0.003W/(m·K).Vacuum heat insulation materials can be made to apply the height in space flight, steel, petrochemical industry, electric power, hot industry equipment etc.
Warm adiabatic heat-insulation field.
Detailed description of the invention
Fig. 1 is a kind of refractory metal foil vacuum heat insulation materials structural schematic diagram of the utility model, wherein 1 is plane foil
Layer, 2 be concave surface layers of foil, 3 be articulamentum, 4 be vacuum seal, 5 be low conductive filler material.
Fig. 2 is a kind of side schematic view of refractory metal foil vacuum heat insulation materials, wherein 6 being plane aluminium foil layer, 7 being recessed
Face aluminium foil layer.
Fig. 3 is the side schematic view of another refractory metal foil vacuum heat insulation materials, wherein 8 be plane stainless steel foil
Layer, 9 are concave surface stainless steel layers of foil.
Specific embodiment
Combined with specific embodiments below, the utility model is furtherd elucidate, it should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art couple
It is as defined in the appended claims that the modification of the various equivalent forms of the utility model falls within the application.
Embodiment 1
As depicted in figs. 1 and 2, a kind of refractory metal foil vacuum heat insulation materials include: 50 μ m-thick plane aluminium foil layers (6),
50 μm thick concave surface aluminium foil layer (7), articulamentum (3) are aluminium foil weld seam, vacuum seal (4) is nickel-copper solder, low conductive filler material
Expect that (5) are mineral wool；Vacuum seal (4) is on concave surface aluminium foil layer (7).
Embodiment 2
As shown in figures 1 and 3, a kind of refractory metal foil vacuum heat insulation materials include: 100 μ m-thick plane stainless steel layers of foil
(8), 100 μ m-thick concave surface stainless steel layers of foil (9), articulamentum (3) are stainless steel foil weld seam, vacuum seal (4) is nickel-base alloy weldering
Material, low conductive filler material (5) are the ceramic fibre blanket containing getter；Vacuum seal (4) is in concave surface stainless steel layers of foil (9)
On.
It above are only the single specific embodiment of the utility model, but the design concept of the utility model is not limited to
This, all non-essential modifications to the present invention made by this concept should belong to the model for invading the utility model protection
The behavior enclosed.But all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to above
Any type of simple modification, equivalent variations and remodeling, still fall within the protection of technical solutions of the utility model made by embodiment
Range.
Claims (6)
1. a kind of refractory metal foil vacuum heat insulation materials, it is characterised in that the vacuum heat insulation materials include: plane layers of foil
(1), concave surface layers of foil (2), articulamentum (3), vacuum seal (4), low conductive filler material (5)；The plane layers of foil (1) and concave surface
Layers of foil (2) is upper and lower bridging arrangement, is closely connect plane layers of foil (1) with concave surface layers of foil (2) by circle articulamentum (3)；Very
Sky sealing (4) is on plane layers of foil (1) or in concave surface layers of foil (2)；Low conductive filler material (5) be located at plane layers of foil (1) with it is recessed
In the cavity that face layers of foil (2) overlap joint is formed.
2. refractory metal foil vacuum heat insulation materials according to claim 1, it is characterised in that the plane layers of foil (1) is
Tabular metal foil, metal foil are a kind chosen below: silver foil, aluminium foil, copper foil, stainless steel foil；Plane layers of foil (1) with a thickness of
50 μm~200 μm.
3. refractory metal foil vacuum heat insulation materials according to claim 1, it is characterised in that the concave surface layers of foil (2) is
Four side protrusions, intermediate sagging concave metal foil, metal foil are a kind chosen below: silver foil, aluminium foil, copper foil, stainless steel foil；
Concave surface layers of foil (2) is with a thickness of 50 μm~200 μm.
4. refractory metal foil vacuum heat insulation materials according to claim 1, it is characterised in that the articulamentum (3) is flat
The melting overlapping layer of face layers of foil (1) and concave surface layers of foil (2).
5. refractory metal foil vacuum heat insulation materials according to claim 1, it is characterised in that the vacuum seal (4) is
Melt the brazing metal of joint filling.
6. refractory metal foil vacuum heat insulation materials according to claim 1, it is characterised in that the low conductive filler material
Expect that (5) are porous insulation material, be a kind chosen below: mineral wool inorganic heat insulation material, rock/mineral wool inorganic heat insulation material, pottery
The inorganic low conductive filler material of porcelain fiber inorganic thermal insulation material, aeroge, nano inorganic Particulate inorganic thermal insulation material；Polyurethane has
Machine thermal insulation material, polystyrene organic insulation material, phenolic resin organic insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820644477.7U CN208962618U (en) | 2018-05-02 | 2018-05-02 | A kind of refractory metal foil vacuum heat insulation materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820644477.7U CN208962618U (en) | 2018-05-02 | 2018-05-02 | A kind of refractory metal foil vacuum heat insulation materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208962618U true CN208962618U (en) | 2019-06-11 |
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| CN201820644477.7U Active CN208962618U (en) | 2018-05-02 | 2018-05-02 | A kind of refractory metal foil vacuum heat insulation materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382021A (en) * | 2018-05-02 | 2018-08-10 | 苏州亿禾永利新能源有限公司 | A kind of refractory metal foil vacuum heat insulation materials and preparation method thereof |
| CN113089860A (en) * | 2021-04-12 | 2021-07-09 | 朱秦江 | Assembled leveling composite radiation energy-saving concrete wall and construction method thereof |
-
2018
- 2018-05-02 CN CN201820644477.7U patent/CN208962618U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382021A (en) * | 2018-05-02 | 2018-08-10 | 苏州亿禾永利新能源有限公司 | A kind of refractory metal foil vacuum heat insulation materials and preparation method thereof |
| CN113089860A (en) * | 2021-04-12 | 2021-07-09 | 朱秦江 | Assembled leveling composite radiation energy-saving concrete wall and construction method thereof |
| CN113089860B (en) * | 2021-04-12 | 2022-02-22 | 朱秦江 | Assembled leveling composite radiation energy-saving concrete wall and construction method thereof |
| WO2022217652A1 (en) * | 2021-04-12 | 2022-10-20 | 朱秦江 | Fabricated leveling composite radiation energy-saving concrete wall and construction method therefor |
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