CN104746658A - Glass welded double-vacuum-layer ceramic composite vacuum plate with getter and production method thereof - Google Patents
Glass welded double-vacuum-layer ceramic composite vacuum plate with getter and production method thereof Download PDFInfo
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- CN104746658A CN104746658A CN201310721322.0A CN201310721322A CN104746658A CN 104746658 A CN104746658 A CN 104746658A CN 201310721322 A CN201310721322 A CN 201310721322A CN 104746658 A CN104746658 A CN 104746658A
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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
Abstract
The invention discloses a glass welded double-vacuum-layer ceramic composite vacuum plate with a getter. The double-vacuum-layer ceramic composite vacuum plate comprises a panel, a connecting layer and a vacuum cavity, and is characterized in that the panel is made from a ceramic plate or a ceramic tile, the panel and/or the connecting layer are used for providing additional strength to the vacuum cavity to ensure the smoothness of the vacuum cavity at barometric pressure, the vacuum cavity is a closed cavity formed by carrying out glass welding at constant temperature and high temperature and sealing at constant pressure to a low carbon steel plate; the sealing is that an extraction opening preformed in the vacuum cavity is automatically sealed by a low temperature solder in a vacuum furnace according to a liquid sealing theory, and a clapboard is arranged in the vacuum cavity and is used for dividing the vacuum cavity into double vacuum layers in which supports are arranged. A production method of the double-vacuum-layer ceramic composite vacuum plate with the getter provided by the invention is simple in process, the defects of an existing insulation board and an existing vacuum insulated panel can be overcome, and the strength, heat insulation, sound insulation and fire resistance can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of glass solder two vacuum layer Ceramic Composite evacuated panels having 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.
Ceramic wafer and ceramic tile have the advantages such as wear-resistant, high, colour-fast, the easy maintaining of acid and alkali-resistance, hardness, good decorating effect, long service life, but its poor thermal insulation property, to be combined difficulty with existing heat insulating material, the shortcoming such as difficulty of construction is large, cost is high, easily come off, limit it and apply in exterior-wall heat insulation.
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 glass solder two vacuum layer Ceramic Composite evacuated panels having getter and preparation method thereof are provided, this glass solder has the preparation method technique of two vacuum layer Ceramic Composite evacuated panels of getter simple, the prepared two vacuum layer Ceramic Composite evacuated panels of getter that have can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of two vacuum layer Ceramic Composite evacuated panels 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 two vacuum layer Ceramic Composite evacuated panels that a kind of glass solder has getter, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is ceramic wafer or ceramic tile, described panel and or described articulamentum additional strength is provided, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, and 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 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, have supporter in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate.
In order to solve the problems of the technologies described above, the invention provides the preparation method that a kind of glass solder has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that comprising the following steps:
The first step, there are the shape of two vacuum layer Ceramic Composite evacuated panels of getter and size to make two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber and one piece of dividing plate respectively according to the glass solder of required making, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, and make supporter and extract opening on two pieces of low carbon steel plates, or supporter is produced on dividing plate;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates and or dividing plate, again dividing plate is placed between two pieces of low carbon steel plates, consistency from top to bottom is combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of vacuum chamber is hermetic welded together; Vacuum chamber after edge sealing is joined together to form composite plate by articulamentum and two pieces of panels; In extract opening, place getter and solder, composite plate is sent in vacuum drying oven, once can send into one to several piece;
3rd step, first vacuum drying oven is warming up to the temperature close to solder fusing, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, by extract opening self-closed after solder fusing, solidify rear airtight sealing is realized to vacuum chamber with stove cooling, solder, after going out vacuum drying oven, obtain two vacuum layer Ceramic Composite evacuated panels that glass solder has getter.
Wherein, described glass solder has two vacuum layer Ceramic Composite evacuated panels of getter to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, described glass solder has two vacuum layer Ceramic Composite evacuated panels of getter to have connector or groove etc. for installing.
Wherein, described glass solder has two vacuum layer Ceramic Composite evacuated panel of getter or the surrounding of vacuum chamber to scribble fluid sealant or structure glue.
Wherein, described panel is ceramic wafer or ceramic tile, and described ceramic wafer comprises conventional ceramic plate and ultra-thin ceramic plate, and described ceramic tile comprises internal wall brick and exterior wall tile, also comprises soft ceramic tile and mosaic;
Further, the preferred ultra-thin ceramic plate of described panel and Ultrathin ceramic tile, to save material, reduce costs, reduce deadweight, to increase safety;
Further, described panel is single ceramic wafer or ceramic tile, or combination ceramic wafer or ceramic tile;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, described articulamentum is bonding adhesive or plastic sheet;
Further, 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.;
Further, the preferred resistant to elevated temperatures thermoplastic of described plastic sheet, as polyamide, poly-to mock, PVB film etc.
Wherein, described articulamentum can be one to several layers;
Further, enhancement Layer or stiffener can be had, as fiber, reinforcing rib, reinforcing mat, stiffener etc. in described articulamentum or between described articulamentum.
Wherein, panel and vacuum chamber can connect as one before vacuumizing or in vacuum or after vacuumizing by described articulamentum.
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, 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 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 and described panel by described articulamentum and described vacuum chamber in conjunction with time, 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 solder thickness is uneven, vacuum chamber surface irregularity can not get supporter and evenly effectively supports and the edge sealing stress that 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 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 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 0.001-0.1Pa, is preferably 0.005-0.05Pa; The sealing 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 on the low carbon steel plate making vacuum chamber by mechanical means as punching press the projection that formed, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the material such as metal, glass, pottery, high polymer to make, preferably adopt performed polymer, glass ink or bonding adhesive etc. first to make precursor, then normal temperature or hot setting form.
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 by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
Glass solder of the present invention have the hermetically-sealed construction of two its getters of vacuum layer Ceramic Composite evacuated panel 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; 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; Glass solder of the present invention is made up of primarily of pottery and metal material two vacuum layer Ceramic Composite evacuated panels of getter, and articulamentum can select inorganic material or fire proofing, so have good fireproof performance; Glass solder of the present invention has two its panels of vacuum layer Ceramic Composite evacuated panel of getter can select the ceramic wafer of multiple decoration, so have good decorative effect, does not need to do decorative layer again after installation, not only saves material and also saves manpower and time; Glass solder of the present invention has two vacuum layer Ceramic Composite evacuated panels of getter to be made up of pottery and composite metal plate, so not only thickness is thin, lightweight, and has very high mechanical strength; Glass solder of the present invention has two its vacuum chambers of vacuum layer Ceramic Composite evacuated panel 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; Glass solder of the present invention has two vacuum layer Ceramic Composite evacuated panels 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; Glass solder of the present invention has two vacuum layer Ceramic Composite evacuated panels 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; Glass solder of the present invention has two vacuum layer Ceramic Composite evacuated panels 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.
Accompanying drawing explanation
Fig. 1 is two vacuum layer Ceramic Composite evacuated panel structural representations that glass solder of the present invention has getter.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. extract opening, 7. solder, 8. getter, 9. glass solder.
Detailed description of the invention
See accompanying drawing, glass solder is made up of panel 1, articulamentum 2, vacuum chamber 3, supporter 4 and dividing plate 5 two vacuum layer Ceramic Composite evacuated panels of getter, and panel 1 is that the ceramic wafer of 2-12mm or ceramic tile or soft ceramic tile or mosaic etc. are formed by thickness; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness utilizes glass solder 9 to be welded, and dividing plate 5 can adopt same sheet material, directly welds together with vacuum chamber 3, makes vacuum chamber 3 form two independently vacuum layer; 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 the upper low carbon steel plate of vacuum chamber 3 and seal cover form, getter 8 is placed in extract opening 6, place solder 7 in air exhaust nozzle as tin, zinc, magnesium and low-melting alloy thereof, solder 7 dissolves and automatically to seal extract opening 6 afterwards.Glass solder has the preparation method of two vacuum layer Ceramic Composite evacuated panels of getter as follows: the low carbon steel 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 low carbon steel plates carry out flanging shaping and make extract opening 6, the low carbon steel plate that cutting one piece is more smaller again as dividing plate 5 and reserved bleed-off passage, is that supporter 4 is printed on two surfaces up and down of dividing plate 5 by raw material by the mode of printing with cryogenic glass powder, by in three pieces of low carbon steel plates, the weld coated glass solder 9 of lower two pieces of low carbon steel plates, again three pieces of low carbon steel 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 9, cooling solidification, the edge of three pieces of low carbon steel plates is hermetic welded together, complete edge sealing, secondly make two pieces of onesize ceramic wafers as panel 1, choose epoxide-resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composite plate and reserved bleed-off passage, finally getter 8 and solder 7 are placed in extract opening 6, one piece or composite plate are in batch sent in vacuum drying oven, below 0.1Pa is evacuated to after first heating makes the epoxy resin adhesive curing of articulamentum 2, 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, be warming up to sealing temperature again, solder 7 melts extract opening 6 self-closed, lower the temperature with stove, solder 7 solidifies final vacuum chamber 3 and realizes airtight sealing, open vacuum drying oven and obtain two vacuum layer Ceramic Composite evacuated panels that glass solder has getter, in order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue, in order to protect panel 1 and play decoration function, bleed-off passage is smeared fluid sealant and is decorated.
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. a glass solder has two vacuum layer Ceramic Composite evacuated panels of getter, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is ceramic wafer or ceramic tile, described panel and or described articulamentum additional strength is provided, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, and 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 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, have supporter in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate.
2. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that described glass solder has two vacuum layer Ceramic Composite evacuated panels of getter to comprise surface plate, curved slab, bending plate and sketch plate.
3. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that described articulamentum is bonding adhesive or plastic sheet.
4. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that can having enhancement Layer or stiffener in described articulamentum.
5. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, 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. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that 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.
8. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that described glass solder is pressure welding.
9. glass solder as claimed in claim 1 has two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that described getter automatic activation under high temperature, high vacuum in capping processes.
10. the glass solder described in any one of claim 1 to 9 has the preparation method of two vacuum layer Ceramic Composite evacuated panels of getter, it is characterized in that comprising the following steps:
The first step, there are the shape of two vacuum layer Ceramic Composite evacuated panels of getter and size to make two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber and one piece of dividing plate respectively according to the glass solder of required making, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, and make supporter and extract opening on two pieces of low carbon steel plates, or supporter is produced on dividing plate;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates and or dividing plate, again dividing plate is placed between two pieces of low carbon steel plates, consistency from top to bottom is combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of vacuum chamber is hermetic welded together; Vacuum chamber after edge sealing is joined together to form composite plate by articulamentum and two pieces of panels; In extract opening, place getter and solder, composite plate is sent in vacuum drying oven, once can send into one to several piece;
3rd step, first vacuum drying oven is warming up to the temperature close to solder fusing, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, by extract opening self-closed after solder fusing, solidify rear airtight sealing is realized to vacuum chamber with stove cooling, solder, after going out vacuum drying oven, obtain two vacuum layer Ceramic Composite evacuated panels that glass solder has getter.
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| CN201310721322.0A CN104746658A (en) | 2013-12-25 | 2013-12-25 | Glass welded double-vacuum-layer ceramic composite vacuum plate with getter and production method thereof |
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| CN201310721322.0A CN104746658A (en) | 2013-12-25 | 2013-12-25 | Glass welded double-vacuum-layer ceramic composite vacuum plate with getter and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971141A (en) * | 2016-06-08 | 2016-09-28 | 甘肃迅美节能科技股份有限公司 | Animal hair vacuum thermal insulation board preparation method |
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2013
- 2013-12-25 CN CN201310721322.0A patent/CN104746658A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971141A (en) * | 2016-06-08 | 2016-09-28 | 甘肃迅美节能科技股份有限公司 | Animal hair vacuum thermal insulation board preparation method |
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