CN104294927A - Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate - Google Patents
Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate Download PDFInfo
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- CN104294927A CN104294927A CN201310298469.3A CN201310298469A CN104294927A CN 104294927 A CN104294927 A CN 104294927A CN 201310298469 A CN201310298469 A CN 201310298469A CN 104294927 A CN104294927 A CN 104294927A
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- vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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Abstract
A double vacuum layer composite vacuum plate with degassers comprises a panel, a core plate and a vacuum cavity, and is characterized in that the panel is fixed on the upper surface at the outer part of the vacuum cavity; the core plate is placed at the bottom in the vacuum cavity; the panel and/or the core plate provide (s) additional strength for the vacuum cavity, and ensure (s) the smoothness of the vacuum cavity under the atmospheric pressure; the vacuum cavity is a closed cavity formed in such a way that a metal plate is subjected to welding and edge sealing under the normal pressure and sealing at a high temperature in vacuum; the sealing is achieved through automatically sealing an extraction opening, prefabricated in the vacuum cavity, in a vacuum furnace by low-temperature solder according to a liquid sealing principle; a clapboard is arranged in the vacuum cavity, and divides the interior of the vacuum cavity into double vacuum layers; and struts are arranged in the vacuum layers. The double vacuum layer composite vacuum plate has the advantages that the preparation method is simple in process, the prepared double vacuum layer composite vacuum plate with the degassers can overcome defects of a conventional insulation board and a conventional vacuum insulation board, and the strength, the heat insulation performance, the sound insulation performance, and the fire resistance and the decoration performance can be enhanced.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of composite evacuated plate of two vacuum layer having getter and preparation method thereof.
Background technology
The power consumption of the architectural energy consumption Yi Zhan whole society of China more than 1/3 and in the trend that increases year by year, adopt heat preservation construction material to be one of Main Means reducing building energy consumption.Current building exterior wall heat preserving material used is many is B level heat insulating material, as organic materials such as polystyrene, polyurethane, bipeltates, these organic material heat resistances are poor, easy firing, not only discharge a large amount of heats during burning, produce a large amount of poison gas, and large fire spread can be accelerated; Simultaneously, molten contracting can be there is in organic material when fire, produce density flaming droplet, on initiation insulation layer, institute's tile fixing comes off, cause spot fire and secondary injury possibly, so national departments concerned prohibites exterior-wall heat insulation use organic insulation material, particularly at highrise building and public building.Reach in the heat insulating material of A grade standard in combustibility, mainly with the inorganic material that mineral wool and rock wool are representative, but existing home made article requires very large gap with Application in Building in water absorption rate, intensity, weatherability etc., be directly used in construction wall insulation, problems such as water suction will being occurred, drop, be softening.In addition, A level heat insulating material cost is far away higher than organic material, and complicated construction technique construction cost is far beyond the expense of B level heat insulating material, and its poor thermal insulation property and energy consumption is high, the needs of national current energy-saving and emission-reduction can not be met.
Vacuum heat-insulating plate is a kind of novel heat insulating material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also there is obvious shortcoming difficulty as dry in core, vacuum bag poor air-tightness, puncture-resistant intensity are low, and soon, easily rise bag, insulation life-span of vacuum decay is short etc.In addition, above heat insulating material all needs to increase decoration overcoat.
Summary of the invention
?technical problem to be solved by this invention is for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, a kind of novel composite evacuated plate of two vacuum layer having getter and preparation method thereof is provided, this have the preparation method technique of the composite evacuated plate of two vacuum layer of getter simple, the prepared composite evacuated plate of two vacuum layer of getter that has can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of the composite evacuated plate of two vacuum layer of getter, increase the service life, and its intensity and heat insulation can be increased, sound insulation, fireproof performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of composite evacuated plate of two vacuum layer having getter, comprise panel, central layer and vacuum chamber, it is characterized in that described panel is fixed on the upper surface outside described vacuum chamber by welding or bonding mode, described central layer is placed on the bottom in described vacuum chamber, described panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, getter and dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate or central layer.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method having the composite evacuated plate of two vacuum layer of getter, it is characterized in that comprising the following steps:
The first step, the have shape of the composite evacuated plate of two vacuum layer of getter and size according to required making make one piece of panel, one piece of central layer, one piece of dividing plate and two pieces of metal sheets for the formation of vacuum chamber respectively, and it is shaping and on one piece of metal sheet or on central layer or on dividing plate, make supporter or bleed-off passage and extract opening two pieces of metal sheets for the formation of vacuum chamber to be carried out flanging;
Second step, first panel is joined together to form composite plate, dividing plate and central layer by welding or bonding mode and one piece of metal sheet and is placed on another block metal sheet, then the fastening that composite plate alignd with metal sheet welds together; Or first there are centre two pieces of metal sheet alignment fastenings of dividing plate and central layer to weld together, then by welding or bonding mode, panel and metal sheet are joined together to form composite plate; In extract opening, getter is placed in vacuum chamber, solder is placed in extract opening, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of bleeding, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the composite evacuated plate of two vacuum layer that vacuum drying oven obtains getter.
Wherein, the composite evacuated plate of two vacuum layer of getter is had to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate described in.
Wherein, the composite evacuated plate of two vacuum layer of getter is had to have connector for installing or groove or hole etc. described in.
Wherein, the composite evacuated plate of two vacuum layer of getter or the surrounding of vacuum chamber is had to scribble fluid sealant or structure glue described in.
Wherein, described panel is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate etc., can have decoration, overcoat above it and on the soffit of vacuum chamber, as coating, electrodeposited coating, F-C paint etc.;
Further, the preferred ultra thin plate of described panel, with weight reduction and cost;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, the surface of described central layer can be coated with low-radiation film, as aluminium film etc.
Wherein, described panel can connect as one with vacuum chamber before vacuumizing or in vacuum or after vacuumizing.
Wherein, described bonding employing bonding adhesive, described bonding adhesive comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, PUR etc., and preferred resistant to elevated temperatures bonding adhesive, as phenolic resins, epoxy resin, organic siliconresin etc.
Wherein, described central layer can be one to several layers;
Further, enhancement Layer or stiffener can be had, as fiber, reinforcing rib, reinforcing mat, stiffener etc. in described central layer or between described central layer.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of metal sheets, and described metal sheet is ultra thin plate, and thickness is 0.1-1mm, preferred 0.15-0.5mm.
Wherein, described vacuum chamber can be one to several, and when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, make it form overlap edge, to reduce edge heat bridge impact when described composite evacuated plate is installed.
Wherein, the metal sheet of described vacuum chamber is the material of Low emissivity, as adopted mirror board, or its surface makes it have extremely low emissivity, as aluminizer etc. through process.
Wherein, the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation.
Wherein, described getter automatic activation under high temperature, high vacuum in capping processes.
Wherein, described getter comprises evaporable air-absorbing agent and nonevaporable getter.
Wherein, described getter is powdery, granular, banded, the various ways such as tubulose, ring-type, column.
Wherein, described getter can directly put into described vacuum chamber or extract opening, also can be contained in a container and put into described vacuum chamber or extract opening again.
Wherein, the preferred low-temperature metal solder of described solder and solder, as tin, zinc, magnesium etc. and alloy thereof, described material is existing commercial commodity.
Wherein, described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
Wherein, described dividing plate can be integrally welded with the inwall of vacuum chamber, makes vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
Wherein, described dividing plate is that mirror board or its surface are coated with low-radiation film.
Wherein, described welding comprises melting welding, pressure welding, soldering etc., as argon arc welding, laser weld, ultrasonic bonding, low-melting-point metal and alloy welding and other welding manners for metal sheet especially ultra-thin metal plates.
Wherein, described extract opening can be arranged on surface or the side of vacuum chamber.
Wherein, described extract opening can directly be made in vacuum chamber punching press, also first can make extract opening and be welded on vacuum chamber again.
Wherein, described extract opening has one or two, and namely described vacuum layer can share an extract opening or each vacuum layer respectively has an extract opening.
Wherein, described vacuum drying oven or the single-unit furnace of batch production, or the tunnel kiln that continous way is produced; The vacuum of described vacuum drying oven is 0.1-0.001Pa, is preferably 0.05-0.005Pa; The temperature of described vacuum drying oven is 150-450 DEG C, is preferably 280-350 DEG C.
Wherein, above support can be the supporter made separately, also can be the projection directly formed on the metal sheet making vacuum chamber or on central layer or on dividing plate, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the materials such as metal, glass, pottery, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly be produced on described dividing plate, also can form one with the inwall of described vacuum chamber or central layer by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
Of the present invention have the hermetically-sealed construction of its getter of the composite evacuated plate of two vacuum layer of getter simple, seal reliable, convenient for production, with low cost; In a vacuum furnace under high temperature, high vacuum, not only can direct activated degasser, and can effectively remove getter surface absorption gas, getter is regenerated, ensure that the gettering ability of getter; Vacuum chamber or its space of extract opening comparatively speaking can be very large, so can lay more substantial getter, the vacuum of the vacuum chamber time that is higher but also that maintain not only can be made longer; Vacuum chamber is that metal sheet is made and has protection and the support of panel and central layer, so have fabulous tightness, puncture-resistant intensity and low emissivity, thus not only heat-proof quality is good but also have extremely long application life; The thickness of composite plate can be very little, and minimum only have several millimeters, and space that is less than the thickness of existing vacuum heat-insulating plate, that take is less; Of the present invention have the composite evacuated plate of two vacuum layer of getter to be formed by the Material cladding of several difformity and material, prevents resonance effects during sound transmission, in addition the existence of vacuum layer, so have good sound insulation value; The composite evacuated plate of two vacuum layer by getter of the present invention forms primarily of metal material, and panel can select inorganic material or fire proofing, so have good fireproof performance; Of the present invention have its panel of the composite evacuated plate of two vacuum layer of getter can select multiple decorative panel, so have good decorative effect, do not need to do decorative layer again after installation, not only saves material and also save manpower and time; Of the present invention have the composite evacuated plate of two vacuum layer of getter to be composited by multiple material, so not only thickness is thin, lightweight, and has very high mechanical strength; Of the present invention have its vacuum chamber of the composite evacuated plate of two vacuum layer of getter to be divided into two by dividing plate to form two vacuum layer, the cost of increase and operation little, but effectively can improve heat insulation, sound insulation and the mechanical performance of composite evacuated plate; Of the present invention have the composite evacuated plate of two vacuum layer of getter to adopt normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, its manufacture craft is simple, cost of production is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, the consumption that can greatly reduce material and the energy, the weight alleviating building, shortening building cycle; Of the present invention have the composite evacuated plate of two vacuum layer of getter not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, not only can wet combining but also can be cladding, can greatly save the engineering time compared with existing heat insulating material, improve heat insulation and soundproof effect; Of the present invention have the composite evacuated plate of two vacuum layer of getter to make sketch plate, is directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, incubator, cold store, frozen products insulated container etc.; High-temperature field can also be used for, as the Surgery therapy etc. of various body of heater.
Accompanying drawing explanation
Fig. 1 of the present inventionly has the composite evacuated plated construction schematic diagram of two vacuum layer of getter.
In figure: 1. panel, 2. central layer, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. extract opening, 7. solder, 8. getter.
Detailed description of the invention
See accompanying drawing, there is the composite evacuated plate of two vacuum layer of getter by panel 1, central layer 2, vacuum chamber 3, supporter 4 and dividing plate 5 form, panel 1 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate, the armorplate glass that preferred 3-5mm is thick, ceramic wafer, stone plate, artificial stone plate or Aluminiumplastic composite panel etc., and be pasted onto on the soffit of vacuum chamber 3 by high temperature adhesive, high temperature adhesive can select the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, the organic adhesion agents such as organic siliconresin glue and polyimides and conventional inorganic adhesive or organo-mineral complexing bonding adhesive etc., central layer 2 is metal sheet, ceramic wafer, glass plate, plastic plate or composite plate, the aluminium alloy plate that the armorplate glass that preferred 3-4mm is thick, 1-2mm are thick or fiber composite plate etc., vacuum chamber 3 is that the corrosion resistant plate of 0.15-1.0mm, stainless iron plate, electrolytic tinplate or galvanized sheet etc. are welded by thickness, dividing plate 5 can adopt same sheet material, directly welds together with vacuum chamber 3, and make vacuum chamber 3 form two independently vacuum layer, dividing plate 5 also can adopt glass plate, plastic plate etc., is placed directly in vacuum chamber 3, makes vacuum chamber 3 form the vacuum layer of Liang Ge UNICOM, supporter 4 is made up of metal, pottery, glass or high polymer, modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed on two surfaces up and down of dividing plate 5, the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm, the air exhaust nozzle that extract opening 6 is directly stamped out by one piece of metal sheet of vacuum chamber 3 and can form, getter 8 is placed in extract opening 6, place solder 7 in can as tin, zinc, magnesium and low-melting alloy thereof, solder 7 dissolves and automatically to seal extract opening 6 afterwards.There is the preparation method of the composite evacuated plate of two vacuum layer of getter as follows: the corrosion resistant plate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of corrosion resistant plates carry out flanging shaping and make extract opening 6, the electrolytic tinplate that cutting one piece is more smaller again as dividing plate 5 and reserved bleed-off passage, by the mode of printing with the performed polymer of high polymer for supporter 4 is printed on two surfaces up and down of dividing plate 5 by raw material; Secondly cutting one piece of glass plate is as central layer 2, and is treated as tempered glass through tempering; Dividing plate 5 and central layer 2 are placed between two pieces of corrosion resistant plates successively, place after getter 8, two pieces of corrosion resistant plates close sheet and utilize seam welder its edge to be welded together, carry out edge sealing; Again get one piece of granite ultra-thin plate as panel 1, choose epoxide-resin glue as bonding adhesive, soffit panel 1 being pasted onto vacuum chamber 3 forms composite plate; Finally place solder 7 at extract opening 6 place, one piece or composite plate are in batch sent in vacuum drying oven, first heating makes epoxy resin adhesive curing, be evacuated to below 0.1Pa again, temperature when vacuumizing is preferably more than 300 DEG C, to promote the eliminating of gas and the activation of getter in vacuum chamber 3, after vacuum reaches, be warming up to sealing temperature again, solder 7 melts extract opening 6 self-closed, with stove cooling, solder 7 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate of two vacuum layer that vacuum drying oven obtains getter; In order to protect the impact of vacuum chamber 3 and elimination heat bridge, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue; In order to protect vacuum chamber 3 and play decoration function, fluid sealant is smeared at extract opening 5 place, the upper surface of vacuum chamber 3 can brushing F-C paint.
All above-mentioned this intellectual properties of primary enforcement, not setting restriction this new product of other forms of enforcement and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. one kind has the composite evacuated plate of two vacuum layer of getter, comprise panel, central layer and vacuum chamber, it is characterized in that described panel is fixed on the upper surface outside described vacuum chamber by welding or bonding mode, described central layer is placed on the bottom in described vacuum chamber, described panel and or described central layer provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, getter and dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate or central layer.
2. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, described in it is characterized in that, have the composite evacuated plate of two vacuum layer of getter to comprise surface plate, curved slab, bending plate and sketch plate.
3. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described panel or described central layer are metal sheet, ceramic wafer, glass plate, plastic plate or composite plate.
4. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that the surface of described central layer can be coated with low-radiation film.
5. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described vacuum chamber has one to several, when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, it is made to form overlap edge, to reduce edge heat bridge impact during installation.
6. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described dividing plate can be integrally welded with the inwall of vacuum chamber, make vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
8. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described welding comprises melting welding, pressure welding and soldering.
9. there is the composite evacuated plate of two vacuum layer of getter as claimed in claim 1, it is characterized in that described getter automatic activation under high temperature, high vacuum in capping processes.
10. the preparation method having the composite evacuated plate of two vacuum layer of getter described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, the have shape of the composite evacuated plate of two vacuum layer of getter and size according to required making make one piece of panel, one piece of central layer, one piece of dividing plate and two pieces of metal sheets for the formation of vacuum chamber respectively, and it is shaping and on one piece of metal sheet or on central layer or on dividing plate, make supporter or bleed-off passage and extract opening two pieces of metal sheets for the formation of vacuum chamber to be carried out flanging;
Second step, first panel is joined together to form composite plate, dividing plate and central layer by welding or bonding mode and one piece of metal sheet and is placed on another block metal sheet, then the fastening that composite plate alignd with metal sheet welds together; Or first there are centre two pieces of metal sheet alignment fastenings of dividing plate and central layer to weld together, then by welding or bonding mode, panel and metal sheet are joined together to form composite plate; Extract opening place getter is placed in vacuum chamber, solder is placed in extract opening, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of bleeding, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the composite evacuated plate of two vacuum layer that vacuum drying oven obtains getter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298469.3A CN104294927A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298469.3A CN104294927A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate |
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| Publication Number | Publication Date |
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| CN104294927A true CN104294927A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298469.3A Withdrawn CN104294927A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN104294927A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2020133656A (en) * | 2019-02-13 | 2020-08-31 | 日鉄日新製鋼株式会社 | Vacuum heat insulating panel |
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| CN201024620Y (en) * | 2007-03-30 | 2008-02-20 | 兆宁 | Composite vacuum exterior wall thermal insulation decorative board |
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| JP2020133656A (en) * | 2019-02-13 | 2020-08-31 | 日鉄日新製鋼株式会社 | Vacuum heat insulating panel |
| JP7215202B2 (en) | 2019-02-13 | 2023-01-31 | 日本製鉄株式会社 | vacuum insulation panel |
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Application publication date: 20150121 |
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