CN104746762A - Metal vacuum composite insulation panel with sealing strips and getter and manufacturing method thereof - Google Patents
Metal vacuum composite insulation panel with sealing strips and getter and manufacturing method thereof Download PDFInfo
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- CN104746762A CN104746762A CN201310723177.XA CN201310723177A CN104746762A CN 104746762 A CN104746762 A CN 104746762A CN 201310723177 A CN201310723177 A CN 201310723177A CN 104746762 A CN104746762 A CN 104746762A
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Abstract
A metal vacuum composite insulation panel with sealing strips and a getter comprises a housing, a core material, a core plate and a vacuum chamber and is characterized in that the housing is a low-carbon steel plate or a low-carbon steel composite plate, the core material is arranged in the vacuum chamber to provide the housing with additional strength to ensure the smoothness of the housing at atmospheric pressure, the vacuum chamber is a closed chamber formed by the housing subjected to glass soldering edge sealing at atmospheric pressure and high temperature and high-temperature opening sealing in vacuum, welding portions of the edge of the low-carbon steel plate are provided with the sealing strips, the coefficient of thermal expansion of the low-carbon steel plate is matched with that of glass solder, the opening sealing is the automatic sealing of pumping holes preformed in the housing with low-temperature solder in a vacuum furnace according to the principle of liquid seal, and the getter is arranged in the vacuum chamber. A manufacturing method of the metal vacuum composite insulation panel with the sealing strips and the getter is simple in process. The manufactured metal vacuum composite insulation panel with the getter can overcome the deficiencies of existing insulation boards and vacuum insulation panels and the strength, thermal insulation, sound insulation and fireproof performance and decorative functions can be improved.
Description
Technical field
The present invention relates to vacuum heat-insulating plate, particularly relate to a kind of metal vacuum composite heat-insulating shield having weather strip and getter and preparation method thereof.
Background technology
Current building exterior wall heat preserving material used is divided into A level heat insulating material and B level heat insulating material, and the fireproof performance of A level heat insulating material is good, but its heat-insulating property, water resistance etc. are all lower than B level heat insulating material, and there is the problems such as price is high, complicated construction technique; B level heat insulating material has the advantages such as cost is low, good heat insulating, construction technology are ripe, but its durability is bad, heat resistance is poor, easy firing, a large amount of poison gas is not only discharged during burning, and spreading of big fire can be accelerated, so prohibit the use organic insulation material for exterior-wall heat insulation in highrise building and public building.Vacuum heat-insulating plate was applied to building heat preservation field in recent years, its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also have that obvious shortcoming is as low in vacuum bag poor air-tightness, puncture-resistant intensity, edge exists cold bridge, soon, easily rise bag, insulation life-span of vacuum decay is short etc.Therefore, building heat preservation needs the new A level heat insulating material researching and developing good heat insulating, long service life.
Applicant discloses a series of evacuated panel and preparation method thereof in July, 2013, although solve the contradiction and problems of the aspect such as fire prevention, insulation, application life that existing heat insulating material exists, but owing to directly metal sheet being welded together, so its edge exists obvious cold bridge, its heat-insulating property is made not reach optimum state.
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 metal vacuum composite heat-insulating shield having weather strip and getter and preparation method thereof is provided, this have the preparation method technique of the metal vacuum composite heat-insulating shield of weather strip and getter simple, the prepared metal vacuum composite heat-insulating shield 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 metal vacuum composite heat-insulating shield of weather strip and 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 metal vacuum composite heat-insulating shield having weather strip and getter, comprise shell, core, central layer and vacuum chamber, it is characterized in that described shell is low carbon steel plate or mild steel composite plate, described core and central layer are positioned at vacuum chamber, described central layer and or core provide additional strength for described shell, ensure shell planarization under atmospheric pressure, described vacuum chamber welds edge sealing by shell at constant-pressure and high-temperature lower-glass, high temperature seals and the closed cavity of formation under vacuo, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace prefabricated extract opening on shell, has getter in described vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method having the metal vacuum composite heat-insulating shield of weather strip and getter, it is characterized in that comprising the following steps:
The first step, the have shape of the metal vacuum composite heat-insulating shield of weather strip and getter and size according to required making make two pieces of Shell Plates, one piece of central layer and core respectively, two pieces of Shell Plates for the formation of vacuum chamber are carried out flanging shaping, edge weld make weather strip, and one piece of Shell Plate makes extract opening wherein, drying or forming processes are carried out to core;
Second step, core and central layer are put into the cavity that lower shell plate is formed, at the weld coated glass solder of lower shell plate, again two pieces of Shell Plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of two pieces of Shell Plates is hermetic welded together;
3rd step, send into after extract opening place places getter and solder in vacuum drying oven, first vacuum drying oven is warming up to the temperature being conducive to being vented, again vacuum drying oven is evacuated to below 100Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the metal vacuum composite heat-insulating shield that vacuum drying oven obtains weather strip and getter.
Wherein, the metal vacuum composite heat-insulating shield of weather strip and 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 metal vacuum composite heat-insulating shield of weather strip and getter is had to have connector for installing or groove or hole etc. described in.
Wherein, described shell is low carbon steel plate or composite plate, can have decoration, overcoat above it, as coating, electrodeposited coating, F-C paint and decorative panel etc.;
Further, the preferred ultra thin plate of described shell, with weight reduction and cost;
Further, described shell can be commaterial, also can be two kinds of different materials.
Wherein, described core is inorganic heat insulation material, as glass fiber, pearlife, perlite, vermiculite, aeroge etc.
Wherein, can there be infrared reflective material described core inside as aluminium foil etc., to reduce radiant heat transfer.
Wherein, described core through preliminarily dried, pack, vacuumize after put into described shell again, to reduce shell deflection under atmospheric pressure, to keep the planarization of shell.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, and the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, and thickness is 0.3-3mm, preferred 0.3-1mm.
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 cold bridge impact when described composite evacuated plate is installed.
Wherein, the low carbon steel plate of described vacuum chamber can adopt mirror board, if its surface is senior finish, or its inner 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, the edge weld of described low carbon steel plate has weather strip, and described weather strip is made up of glass or metal etc.;
Further, when described weather strip is made up of glass, preferably cryogenic glass powder is produced on described low carbon steel plate by modes such as printing, printing, sprayings and forms through high temperature sintering, can carry out separately sintering, also can sintering together with glass solder; The fusion temperature of described cryogenic glass powder is higher than the welding temperature of described glass solder;
Further, can be the metal sheet, the bar that are welded on separately on described low carbon steel plate when described weather strip is metal, also can be described low carbon steel plate flanging; Can only be connected with one piece of low carbon steel plate when described weather strip is metal sheet, bar, cold bridge can not be formed in described vacuum chamber;
Further, described weather strip forms an airtight bar frame at the weld of described low carbon steel plate, described weather strip has two airtight bar frames at least at the edge weld of lower low carbon steel plate of the described vacuum chamber of composition, described glass solder is positioned in the region that described two airtight bar frames surround, described weather strip has an airtight bar frame at least at the edge weld of upper low carbon steel plate of the described vacuum chamber of composition, and the weather strip of described upper low carbon steel plate can insert between two weather strips of described lower low carbon steel plate.
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 central layer is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
Wherein, described central layer is that mirror board or its surface are coated with low-radiation film.
Wherein, described glass solder refers to and utilizes glass solder at high temperature to be welded together by two pieces of low carbon steel plates, commercially available low temperature glass solder selected by described glass solder, and its welding temperature is generally 380-480 DEG C, selects low temperature glass solder to be conducive to reducing costs, improving production capacity etc.; Described glass solder, certain pressure can be applied, namely pressure welding is carried out, with make welding and combine more solid and reliable, vacuum chamber and plate face more smooth, and can eliminate because of the edge sealing stress that solder thickness is uneven, vacuum chamber surface irregularity can not get core and central layer evenly effectively supports and causes; Described pressure is approximately 0.1MPa, described in the mode of exerting pressure can adopt mechanical compression, air pressure or hydraulic pressure etc.
Wherein, described extract opening can be arranged on surface or the side of vacuum chamber.
Wherein, described extract opening can directly be pressed in shell upper punch, also first can make extract opening and be welded on shell again.
Wherein, described edge sealing heating furnace or vacuum drying oven are the single-unit furnaces of batch production, or the tunnel kiln that continous way is produced; The edge sealing temperature of described edge sealing heating furnace is 360-500 DEG C, is preferably 380-480 DEG C; The vacuum of described vacuum drying oven is 1-100Pa, is preferably 5-50Pa; The sealing temperature of described vacuum drying oven is 150-450 DEG C, is preferably 280-350 DEG C.
The invention has the beneficial effects as follows:
Of the present invention have the hermetically-sealed construction of its getter of metal vacuum composite heat-insulating shield of weather strip and 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; The present invention adds weather strip at the weld of glass solder, weather strip not only can limit the rear random flowing of glass solder fusing, make edge sealing neatly good-looking, prevent the solder skip phenomenon caused because glass solder runs off, the qualification rate improving product, and the plane-welding of glass solder can be become three-dimensional welding, make welding more firmly, reliably, the tightness of vacuum chamber is fine, the longer service life of evacuated panel; The present invention replaces metal () to weld with glass solder, coefficient of thermal conductivity due to glass only has 1% of metal even less so can solve the edge cold bridge problem of evacuated panel well, because glass is different with the material of metal so the evacuated panel of glass solder has better sound insulation value; The low carbon steel plate matched with coefficient of thermal expansion and glass solder replaces conventional metal sheet, solves the Welding Problems between glass and metal; An about atmospheric pressure is applied when glass solder, glass solder is made to solidify the sizing of final vacuum chamber in using state, eliminate edge sealing stress, avoid the evacuated panel in use damage that causes because of unbalance stress of brittle glass solder, thus ensure that heat-proof quality and the application life of evacuated panel; Be made up of primarily of metal material the metal vacuum composite heat-insulating shield of weather strip and getter, inorganic material selected by core, so have good fireproof performance; There is the metal vacuum composite heat-insulating shield of weather strip and getter to be composited by multiple material, so not only thickness is thin, lightweight, and there is very high mechanical strength; There is its shell of metal vacuum composite heat-insulating shield of weather strip and getter to make it keep planarization and slickness at atmosheric pressure by the enhancing of central layer, and its mechanical strength can be increased; The metal vacuum composite heat-insulating shield of weather strip and getter is had 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; There is the metal vacuum composite heat-insulating shield of weather strip and 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; There is the metal vacuum composite heat-insulating shield of weather strip and getter to make sketch plate, be 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 is the metal vacuum composite heat-insulating shield structural representation having weather strip and getter of the present invention.
In figure: 1. shell, 2. core, 3. central layer, 4. extract opening, 5. solder, 6. getter, 7. glass solder, 8. weather strip.
Detailed description of the invention
See accompanying drawing, be made up of shell 1, core 2 and central layer 3 the metal vacuum composite heat-insulating shield of weather strip and getter, the low carbon steel plate that shell 1 is 0.3-1.0mm by thickness is formed; Core 2 is glass fiber, pearlife, perlite, vermiculite, aeroge etc., and getter 6 is placed in extract opening 4, preferably core 2 is carried out the process such as drying, plastic bag packaging, forvacuum; Central layer 3 is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate, and the armorplate glass of preferred 3-5mm or the aluminium alloy plate of 1-2mm or high-temperature resistance plastice plate, be placed directly in vacuum chamber; The air exhaust nozzle that extract opening 4 is directly stamped out by the upper low carbon steel plate of shell 1 and crown cap form, and place solder 5 in air exhaust nozzle as tin, zinc, magnesium and low-melting alloy thereof, and solder 5 dissolves and automatically to seal extract opening 4 afterwards.There is the preparation method of the metal vacuum composite heat-insulating shield of weather strip and getter as follows: the low carbon steel plate that first cutting two pieces is onesize is for making shell 1, and utilize the mode of punching press to two pieces of low carbon steel plates carry out flanging shaping and make extract opening 4, be that raw material is printed on the edge weld of low carbon steel plate weather strip 8 by the mode of printing or spray with cryogenic glass powder, then produce one piece of more smaller armorplate glass as central layer 3; Certain particle size pearlife or perlite etc. after the drying of continous way kiln, load in polybag, after vacuumizing and seal, become the core 2 with less volume and certain shape by next; Again treated core 2 central layer 3 is put into the cavity of lower shell plate, at the weld coated glass solder 7 of lower shell plate, again two pieces of Shell Plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, the edge sealing temperature of edge sealing heating furnace is 400-450 DEG C, by the heat fused of glass solder 7, cooling solidification, the edge of shell 1 is hermetic welded together, complete edge sealing; Finally in extract opening 4, place getter 6 and solder 5, composite plate is in batch sent in vacuum drying oven, be evacuated to below 100Pa, temperature when vacuumizing is preferably more than 300 DEG C, to promote the especially eliminating of moisture and the activation of getter of vacuum intracavity gas, be warming up to sealing temperature again, solder 5 melts extract opening 4 self-closed, lower the temperature with stove, solder 5 solidifies final vacuum chamber and realizes airtight sealing, opens the metal vacuum composite heat-insulating shield that vacuum drying oven obtains weather strip and getter; In order to protecting sheathing 1 with play decoration function, fluid sealant is smeared at extract opening 4 place, the surface of shell 1 can brushing F-C paint or sticking decorative board.
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 metal vacuum composite heat-insulating shield of weather strip and getter, comprise shell, core, central layer and vacuum chamber, it is characterized in that described shell is low carbon steel plate or mild steel composite plate, described core and central layer are positioned at vacuum chamber, described central layer and or core provide additional strength for described shell, ensure described shell planarization under atmospheric pressure, described vacuum chamber welds edge sealing by shell at constant-pressure and high-temperature lower-glass, high temperature seals and the closed cavity of formation under vacuo, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace prefabricated extract opening on shell, has getter in described vacuum chamber.
2. there is the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, described in it is characterized in that, have the metal vacuum composite heat-insulating shield of weather strip and getter to comprise surface plate, curved slab, bending plate and sketch plate.
3. there is the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, it is characterized in that described core is glass fiber, pearlife, perlite, vermiculite or aeroge.
4. have the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, it is characterized in that described core through preliminarily dried, pack, vacuumize after put into described shell again.
5. there is the metal vacuum composite heat-insulating shield of weather strip and 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 cold bridge impact during installation.
6. there is the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, it is characterized in that described central layer is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. there is the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, it is characterized in that described central layer is that mirror board or its surface are coated with low-radiation film.
8. there is the metal vacuum composite heat-insulating shield of weather strip and getter as claimed in claim 1, it is characterized in that described glass solder is pressure welding.
9. there is the metal vacuum composite heat-insulating shield of weather strip and 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 metal vacuum composite heat-insulating shield of weather strip and 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 metal vacuum composite heat-insulating shield of weather strip and getter and size according to required making make two pieces of Shell Plates, one piece of central layer and core respectively, two pieces of Shell Plates for the formation of vacuum chamber are carried out flanging shaping, edge weld make weather strip, and one piece of Shell Plate makes extract opening wherein, drying or forming processes are carried out to core;
Second step, core and central layer are put into the cavity that lower shell plate is formed, at the weld coated glass solder of lower shell plate, again two pieces of Shell Plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of two pieces of Shell Plates is hermetic welded together;
3rd step, send into after extract opening place places getter and solder in vacuum drying oven, first vacuum drying oven is warming up to the temperature being conducive to being vented, again vacuum drying oven is evacuated to below 100Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the metal vacuum composite heat-insulating shield that vacuum drying oven obtains weather strip and getter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723177.XA CN104746762A (en) | 2013-12-25 | 2013-12-25 | Metal vacuum composite insulation panel with sealing strips and getter and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310723177.XA CN104746762A (en) | 2013-12-25 | 2013-12-25 | Metal vacuum composite insulation panel with sealing strips and getter and manufacturing method thereof |
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| CN104746762A true CN104746762A (en) | 2015-07-01 |
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| CN201310723177.XA Pending CN104746762A (en) | 2013-12-25 | 2013-12-25 | Metal vacuum composite insulation panel with sealing strips and getter and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693073A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | A kind of production method of clad steel plate |
-
2013
- 2013-12-25 CN CN201310723177.XA patent/CN104746762A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693073A (en) * | 2017-10-20 | 2019-04-30 | 鞍钢股份有限公司 | A kind of production method of clad steel plate |
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