CN105041142A - Preparation method for aerogel heat insulation and preservation glass - Google Patents
Preparation method for aerogel heat insulation and preservation glass Download PDFInfo
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- CN105041142A CN105041142A CN201510561437.7A CN201510561437A CN105041142A CN 105041142 A CN105041142 A CN 105041142A CN 201510561437 A CN201510561437 A CN 201510561437A CN 105041142 A CN105041142 A CN 105041142A
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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
- Y02A30/249—Glazing, e.g. vacuum glazing
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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
- Y02B80/22—Glazing, e.g. vaccum glazing
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Abstract
The invention provides a preparation method for aerogel heat insulation and preservation glass. The method comprises the following steps of 1 glass cavity manufacturing, wherein at least two pieces of glass are installed on an outer frame support, and at least one cavity with an opening is formed between the outer frame support and the glass; 2 packing, wherein aerogel particles are added in the cavities; 3 edge sealing, wherein the cavities with the openings are sealed with the outer frame support; 4 vacuumizing, wherein the cavities are vacuumized through a vacuumizing device; 5 sealing, wherein the periphery of the aerogel heat insulation and preservation glass is sealed with a sealant. The aerogel heat insulation and preservation glass has the better adiabaticity and photopermeability and is suitable for the fields of doors and windows, curtain wall glass and lighting roofs of green buildings, ultra-low energy consumption buildings and nearly zero energy consumption buildings.
Description
Technical field
The present invention relates to glass making techniques field, particularly a kind of preparation method of aerogel thermal insulation glass.
Background technology
Glass is that a kind of transparency, intensity and hardness are all very high, air-locked material, and glass in chemical inertness, also can not work with biology, so purposes widely in surroundings.For the glass of building in prior art, be mainly used for closing, daylighting, insulation.But in the winter of cold district, the heat insulation effect of glass is unsatisfactory, and in the summer of hot-summer and cold-winter area or hot summer and warm winter region, the effect of heat insulation of glass is also undesirable.Simultaneously along with China's rapid development of economy, the requirement of people to quality of life is more and more higher, and building doors and windows, curtain wall are increasing, result through door and window, curtain wall the proportion of exchange heat in building and outside heat exchange increasing.In order to be reduced by the exchange heat of glass door and window curtain wall, recent domestic develops many heat insulation glass, and it mainly contains three kinds by structure, the hollow glass that (1) is made up of two-layer or multilayer simple glass; (2) by the hollow glass being coated with low-radiation film coated glass and forming; (3) by the middle vacuum glass be pumped into negative pressure and formed of double-layer glass.The hollow glass that wherein heat reflection plated film or low-emission coated (low-E) glass are formed is the main product of current energy-saving glass.Heat-reflection coated glass and low radiation coated glass can stop sunshine to enter indoor in summer to greatest extent, and stop the far infrared radiation from outdoor to greatest extent.But needing the winter of heating, it is obviously outdated that the outer heat energy of air lock enters indoor, and affect the transmitance of visible ray.Vacuum glass is because of the reason such as safety and application life, and large-scale application is still needed the time.Therefore a kind of heat insulation glass with good thermal insulation and light transmission of exploitation is badly in need of.
Summary of the invention
The technical problem to be solved in the present invention is: the preparation method providing a kind of aerogel thermal insulation glass, the heat insulation glass that this preparation method produces has good thermal insulation and light transmission, can be widely used in the fields such as the door and window of green building and super low energy consumption building and nearly zero energy consumption building, cladding glass and lighting roof.
Solution of the present invention is achieved in that a kind of preparation method of aerogel thermal insulation glass, comprises the following steps:
(1) at least two blocks of glass are arranged on outer gimbal support by the making of glass cavity, and between outer gimbal support and glass, form the cavity of at least one opening;
(2) filler, adds aerogel particle in cavity;
(3) edge sealing, seals open cavity with outer gimbal support;
(4) vacuumize, by vacuum extractor, process is vacuumized to cavity;
(5) seal, the surrounding fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
So, pass through above-mentioned steps, one can be obtained by least two blocks of glass as housing, also there is outer gimbal support in the marginal end portion of glass, outer gimbal support is forming the blind end of sealed cavity, simultaneously, also can be used as the Edge Enhancement skeleton of described aerogel thermal insulation glass, can effectively prevent glass subtle flow, and, sealed cavity and be provided with the aerogel thermal insulation glass of aerogel particle in cavity, this aerogel thermal insulation glass is because wherein set aeroge is graininess, thus there is good light scattering property, there is very excellent barrier property in radiation thermal conduction, simultaneously, because this aerogel thermal insulation glass chamber portion has carried out encapsulation process, making it, in use air and steam can not enter cavity inside, be not easy to form dew condensation phenomenon, and, because Specific surface area that aeroge is very thin effectively limit the propagation of local thermal excitation, nanometer micropore hole inhibits gas molecule to heat conducting effect, the refractive index of silica-based aerogel is close to l, and more than 100 are reached to the ratio burying in oblivion coefficient that is infrared and visible ray, can effectively through sunshine, and stop the infrared emanation of environment temperature, therefore, the aerogel thermal insulation glass adopting said method to obtain not only has good radiation thermal conduction barrier property, also possesses good advection heat conduction barrier property simultaneously.
Another technical scheme of the present invention is on above-mentioned basis, in described filler step, the also closely knit treatment step of involving vibrations, when vibratory compaction treatment step is specially and is added in cavity by aerogel particle, adopts vibratory compaction device to carry out vibratory compaction process to aerogel particle.So, by the vibration of vibratory compaction device, make space between aerogel particle even, can prevent particle from making somebody a mere figurehead and cause the situation that space is uneven, cavity filler is discontented to occur, and, vibrate while filler, the acceleration being conducive to aerogel particle is filled, and the situation preventing charging aperture from blocking occurs.
Another technical scheme of the present invention is on such scheme basis, after described filler step, the also closely knit treatment step of involving vibrations, vibratory compaction treatment step is specially and is added after in cavity by aerogel particle, adopts vibratory compaction device to carry out vibratory compaction process to aerogel particle.So, by the vibration of vibratory compaction device, make space between aerogel particle even, can prevent particle from making somebody a mere figurehead and cause the situation that space is uneven, cavity filler is discontented to occur.
Another technical scheme of the present invention is on such scheme basis, described vibratory compaction device be mechanical vibrators, Pneumatic vibrator, hydraulic type vibratory device, ultrasonic wave vibration or electromagnetic vibrator in one or more.So, the diversity of vibratory compaction device facilitates and manufactures is selecting of equipment, selects suitable vibrator according to different Oscillation Amplitudes and frequency, is conducive to applying and reducing costs.
Another technical scheme of the present invention is on such scheme basis, and the vibration mode of described vibratory compaction device is rectilinear or horizontal or combined type.So, when adopt vertical filling time, rectilinear or combined vibrating can be adopted, the acceleration being conducive to aerogel particle flows into, and when adopting the mode of glass plate horizontal positioned to manufacture, then should adopt horizontal or combined vibrating, be conducive to aerogel particle levelling, closely knit.
Another technical scheme of the present invention is on above-mentioned basis, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially and adds desiccant in outer gimbal support tongue.So, add desiccant in outer gimbal support tongue after, desiccant can continuous adsorption use in enter steam in glass enclosed cavity, make it in use be not easy to form dew condensation phenomenon, fully ensure that the quality of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially fill insulant material in outer gimbal support tongue.So, in outer gimbal support tongue after fill insulant material, the heat bridge effect of outer gimbal support tongue in heat transfer process is weakened, and the heat-insulating capability of outer gimbal support tongue is greatly improved, and correspondingly improves the heat-proof quality of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially at outer gimbal support tongue outer cladding heat insulating material or the surface recombination one deck gas barrier film at outer gimbal support tongue.So, the heat bridge effect of outer gimbal support tongue in heat transfer process can be made to be weakened at outer gimbal support tongue outer cladding heat insulating material, the heat-insulating capability of outer gimbal support tongue is greatly improved, and correspondingly improves the heat-proof quality of aerogel thermal insulation glass.After surface recombination one deck gas barrier film of outer gimbal support tongue, can intercept water vapour in use procedure in air and gas enters in the inner and glass cavity of outer gimbal support tongue by fluid sealant and outer gimbal support tongue, while ensure that in outer gimbal support tongue desiccant application life, also ensure that the structure of aeroge between glass cavity and performance unaffected.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, and described heat insulating material is aeroge.So, adopt aeroge as the heat insulating material of outer gimbal support tongue, the heat bridge effect between the two sides of described aerogel thermal insulation glass is very weak, further increases the heat-proof quality of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, and described fluid sealant is bi-component polysulfide fluid sealant or bi-component silicone fluid sealant.So, adopt two component polysulfide sealant or bi-component silicone fluid sealant, can make that sealing step rapid curing completes, the performance that is bonded and sealed is better, decrease entering of a small amount of air in aerogel thermal insulation glazing gasket process, further ensure that the sealing of glass simultaneously.
Another technical scheme of the present invention is on such scheme basis, in step (1), with glue at least two blocks of glass are arranged on outer gimbal support and form at least one enclosed cavity, described enclosed cavity is provided with and is attached thereto logical feeding device and vacuum extractor, in described step (2), in filler process, carry out vacuumizing and vibratory compaction process simultaneously; After filler completes, close feeding port and vacuum orifice, then, aerogel thermal insulation glass surrounding fluid sealant carries out encapsulation process and namely obtains aerogel thermal insulation glass.So, the cavity of affiliated aerogel thermal insulation inside glass is after vacuumizing, and the drying property of its inside obtains sufficient guarantee, meanwhile, because there is negative pressure, outer gimbal support clamps closely knit by two blocks of glass, can prevent air or steam from entering in cavity, avoid dew condensation phenomenon; And by forming vacuum layer between glass, the heat trnasfer in glass cavity can be reduced, further increase the performances such as the heat-insulation and heat-preservation of aerogel thermal insulation glass and sound insulation.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, step (3) described edge sealing is in atmospheric environment, with glue by cavities seals, described cavity presets and vacuumizes valve; After step (3) and step (4) before also comprise vacuum step.So, the cavity of affiliated aerogel thermal insulation inside glass is after vacuumizing, and the drying property of its inside obtains sufficient guarantee, meanwhile, because there is negative pressure, outer gimbal support clamps closely knit by two blocks of glass, can prevent air or steam from entering in cavity, avoid dew condensation phenomenon; And by forming vacuum layer between glass, the heat trnasfer in glass cavity can be reduced, further increase the performances such as the heat-insulation and heat-preservation of aerogel thermal insulation glass and sound insulation.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, after described vacuum step, also comprise inert gas and add step, add inert gas specifically by the described valve that vacuumizes to described cavity.Like this, by adding inert gas between glass, the thermal transmittance of aeroge glass can be reduced, improving the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.So, be filled with inert gas in the cavity of aerogel thermal insulation inside glass after, reduce cavity external and internal pressure difference, the security incident probability because the cold and hot temperature difference causes glass plate to be revealed can be reduced; And inert gas is added between glass, the heat trnasfer in aerogel thermal insulation glass cavity can be reduced, improve the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.
Another technical scheme of the present invention is on such scheme basis, the preparation method of described aerogel thermal insulation glass, and wherein, described outer gimbal support is convex shape structure, huge character form structure, inverted T shape structure or E type structure.So, described outer gimbal support is convex shape structure, huge character form structure, inverted T shape structure or E type structure, can be suitable for different heat insulation glass structures, expands range of application.
Another technical scheme of the present invention is on such scheme basis, and described filler step is specially, and is inserted in cavity by aeroge plate.This aerogel thermal insulation glass, because wherein set aeroge plate is overall, thus has good light transmission, fully can meet the requirement of printing opacity view curtain wall or glass of door and window in light transmittance.
Another technical scheme of the present invention is on such scheme basis, and described aeroge plate is silica aerogel particles is encapsulated by transparent plastic film sealing shroud the laminated structure formed.So, described aeroge plate not only has good light transmission and shading performance, and with transparent plastic film sealing shroud, silica aerogel particles encapsulation can be avoided because glass breaking causes aerogel particle to be scattered, and cannot the problem of recycling.
Another technical scheme of the present invention is on such scheme basis, and described transparent plastic film sealing shroud is reserved with at least one feeding port and/or extract opening.So, filling silica aerogel particles can be carried out or process of bleeding from feeding port and/or extract opening to aeroge plate easily, increase work efficiency.
Another technical scheme of the present invention is on such scheme basis, before described filler step, vacuumizes process in advance to transparent plastic film sealing shroud.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, in described filler step, vacuumizes process to transparent plastic film sealing shroud simultaneously.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, after described filler step, then vacuumizes process to transparent plastic film sealing shroud.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
Another technical scheme of the present invention is on such scheme basis, after vacuumizing process to transparent plastic film sealing shroud, also comprises the step being added inert gas by described extract opening to described transparent plastic film sealing shroud.So, be filled with inert gas in transparent plastic film sealing shroud after, reduce the external and internal pressure difference of transparent plastic film sealing shroud, the security incident probability of the glass self-explosion causing transparent plastic film sealing shroud volumetric change to cause because of the cold and hot temperature difference can be reduced; And inert gas is added in transparent plastic film sealing shroud, the heat trnasfer in aerogel thermal insulation glass cavity can be reduced, improve the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the flow chart of the preparation method of the aerogel thermal insulation glass that a kind of embodiment of this programme relates to;
Fig. 2 is the sectional drawing of the aerogel thermal insulation glass that a kind of embodiment of this programme relates to.
Wherein:
1 is glass; 2 is aerogel particle; 3 is butyl rubber; 4 is outer gimbal support;
5 is fluid sealant.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.In addition, those skilled in the art, according to the description of presents, can carry out respective combination to the feature in embodiment in presents and in different embodiment.
The embodiment of the present invention is as follows, and as shown in Figure 1, a kind of preparation method of aerogel thermal insulation glass, comprises the following steps:
(1) at least two blocks of glass 1 are arranged on outer gimbal support 4 by the making of glass cavity, and form the cavity of at least one opening between outer gimbal support 4 and glass 1;
(2) filler, adds in cavity by aerogel particle 2;
(3) edge sealing, seals open cavity with outer gimbal support 4;
(4) vacuumize, by vacuum extractor, process is vacuumized to cavity;
(5) seal, the surrounding fluid sealant 5 of aerogel thermal insulation glass is carried out encapsulation process.
So, as shown in Figure 2, pass through above-mentioned steps, one can be obtained by least two blocks of glass 1 as housing, in the marginal end portion of glass 1, also there is outer gimbal support 4, outer gimbal support 4 is forming the blind end of sealed cavity, simultaneously, also can be used as the Edge Enhancement skeleton of described aerogel thermal insulation glass, can effectively prevent glass subtle flow, and, sealed cavity and be provided with the aerogel thermal insulation glass of aerogel particle in cavity, this aerogel thermal insulation glass is because wherein set aeroge is graininess, thus there is good light scattering property, there is very excellent barrier property in radiation thermal conduction, simultaneously, because this aerogel thermal insulation glass chamber portion has carried out encapsulation process, the cavity of described aerogel thermal insulation inside glass is after vacuumizing, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, two blocks of glass will seal outer gimbal support and clamp closely knit, can prevent air or steam from entering in cavity, avoid dew condensation phenomenon, and, because Specific surface area that aeroge is very thin effectively limit the propagation of local thermal excitation, nanometer micropore hole inhibits gas molecule to heat conducting effect, the refractive index of silica-based aerogel is close to l, and more than 100 are reached to the ratio burying in oblivion coefficient that is infrared and visible ray, can effectively through sunshine, and stop the infrared emanation of environment temperature, therefore, the aerogel thermal insulation glass adopting said method to obtain not only has good radiation thermal conduction barrier property, also possesses good advection heat conduction barrier property simultaneously.
On the basis of above-described embodiment, in another embodiment of the present invention, in described filler step, all right closely knit treatment step of involving vibrations, when vibratory compaction treatment step is specially and is added in cavity by aerogel particle, vibratory compaction device is adopted to carry out vibratory compaction process to aerogel particle.So, by the vibration of vibratory compaction device, make space between aerogel particle even, can prevent particle from making somebody a mere figurehead and cause the situation that space is uneven, cavity filler is discontented to occur, and, vibrate while filler, the acceleration being conducive to aerogel particle is filled, and the situation preventing charging aperture from blocking occurs.
On the basis of above-described embodiment, in another embodiment of the present invention, after described filler step, all right closely knit treatment step of involving vibrations, vibratory compaction treatment step is specially and is added after in cavity by aerogel particle, adopts vibratory compaction device to carry out vibratory compaction process to aerogel particle.So, by the vibration of vibratory compaction device, make space between aerogel particle even, can prevent particle from making somebody a mere figurehead and cause the situation that space is uneven, cavity filler is discontented to occur.
On the basis of above-described embodiment, in another embodiment of the present invention, described vibratory compaction device can be mechanical vibrators, Pneumatic vibrator, hydraulic type vibratory device, ultrasonic wave vibration or electromagnetic vibrator in one or more.So, the diversity of vibratory compaction device facilitates and manufactures is selecting of equipment, selects suitable vibrator according to different Oscillation Amplitudes and intensity, is conducive to applying and reducing costs.
On the basis of above-described embodiment, in another embodiment of the present invention, the vibration mode of described vibratory compaction device can be rectilinear or horizontal or combined type.So, when adopt vertical filling time, rectilinear or combined vibrating can be adopted, the acceleration being conducive to aerogel particle flows into, and when adopting the mode of glass plate horizontal positioned to manufacture, then should adopt horizontal or combined vibrating, be conducive to aerogel particle levelling, closely knit.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, can also comprise the tongue treatment step of outer gimbal support, the tongue treatment step of described outer gimbal support is specially and adds desiccant in the tongue of outer gimbal support.So, add desiccant in the tongue of outer gimbal support after, desiccant can continuous adsorption use in enter steam in glass enclosed cavity, make it in use be not easy to form dew condensation phenomenon, fully ensure that the quality of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, can also comprise the tongue treatment step of outer gimbal support, the tongue treatment step of described outer gimbal support is specially fill insulant material in the tongue of outer gimbal support.So, in the tongue of outer gimbal support after fill insulant material, the heat bridge effect of the tongue of outer gimbal support in heat transfer process is weakened, and the heat-insulating capability of outer gimbal support tongue is greatly improved, and correspondingly improves the heat-proof quality of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, before the making step of described glass cavity, can also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially at outer gimbal support tongue outer cladding heat insulating material or the surface recombination one deck gas barrier film at outer gimbal support tongue.So, the heat bridge effect of outer gimbal support tongue in heat transfer process can be made to be weakened at outer gimbal support tongue outer cladding heat insulating material, the heat-insulating capability of outer gimbal support tongue is greatly improved, and correspondingly improves the heat-proof quality of aerogel thermal insulation glass.After surface recombination one deck gas barrier film of outer gimbal support tongue, can intercept water vapour in use procedure in air and gas enters in the inner and glass cavity of outer gimbal support tongue by fluid sealant and outer gimbal support tongue, while ensure that in outer gimbal support tongue desiccant application life, also ensure that the structure of aeroge between glass cavity and performance unaffected.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, described heat insulating material can be aeroge.So, adopt aeroge as the heat insulating material of outer gimbal support tongue, the heat bridge effect between the two sides of described aerogel thermal insulation glass is very weak, further increases the heat-proof quality of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, described fluid sealant can be bi-component polysulfide fluid sealant or bi-component silicone fluid sealant.So, adopt two component polysulfide sealant or bi-component silicone fluid sealant, can make that sealing step rapid curing completes, the performance that is bonded and sealed is better, decrease entering of a small amount of air in aerogel thermal insulation glazing gasket process, further ensure that the sealing of glass simultaneously.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, step (3) described edge sealing, can be, with glue by cavities seals, described cavity presets and vacuumizes valve in atmospheric environment; After step (3) and step (4) before also comprise vacuum step.So, the cavity of affiliated aerogel thermal insulation inside glass is after vacuumizing, and the drying property of its inside obtains sufficient guarantee, meanwhile, because there is negative pressure, outer gimbal support clamps closely knit by two blocks of glass, can prevent air or steam from entering in cavity, avoid dew condensation phenomenon; And by forming vacuum layer between glass, the heat trnasfer in glass cavity can be reduced, further increase the performances such as the heat-insulation and heat-preservation of aerogel thermal insulation glass and sound insulation.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, after described vacuum step, inert gas can also be comprised and add step, add inert gas specifically by the described valve that vacuumizes to described cavity.Like this, by adding inert gas between glass, the thermal transmittance of aeroge glass can be reduced, improving the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.So, be filled with inert gas in the cavity of aerogel thermal insulation inside glass after, reduce cavity external and internal pressure difference, the security incident probability because the cold and hot temperature difference causes glass plate to be revealed can be reduced; And inert gas is added between glass, the heat trnasfer in aerogel thermal insulation glass cavity can be reduced, improve the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.
On the basis of above-described embodiment, in another embodiment of the present invention, the preparation method of described aerogel thermal insulation glass, wherein, described outer gimbal support is convex shape structure, huge character form structure, inverted T shape structure or E type structure.So, described outer gimbal support is convex shape structure, huge character form structure, inverted T shape structure or E type structure, can be suitable for different heat insulation glass structures, expands range of application.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: in the tongue of outer gimbal support, fill silica aerogel material, with butyl rubber 3 two blocks of glass 1 and outer gimbal support 4 glued together and make an open cavity, aerogel particle 2 is inserted in cavity; In atmospheric environment, with butyl rubber 3 and outer gimbal support 4 by cavities seals, cavity presets and vacuumizes valve, then vacuumize cavity, shutoff vacuumizes valve, finally the surrounding fluid sealant 5 of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: at the tongue outer cladding silica aerogel material of outer gimbal support, with butyl rubber 3 two blocks of glass 1 and outer gimbal support glued together and make an open cavity, aerogel particle 2 is inserted in cavity; In atmospheric environment, with butyl rubber 3 and outer gimbal support by cavities seals, cavity presets and vacuumizes valve, then cavity is vacuumized, inert gas is filled with subsequently by vacuumizing valve, shutoff vacuumizes valve, finally the surrounding bi-component silicone fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: in outer gimbal support tongue, fill silica aerogel material, with butyl rubber 3 two blocks of glass 1 and outer gimbal support glued together and make an open cavity, aerogel particle 2 is inserted in cavity; In vacuum environment, with butyl rubber 3 and outer gimbal support by cavities seals, finally the surrounding bi-component silicone fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: at outer gimbal support tongue outer cladding silica aerogel material, with butyl rubber 3 two blocks of glass 1 and outer gimbal support glued together and make an open cavity, aerogel particle 2 is inserted in cavity; In vacuum environment, with butyl rubber 3 and outer gimbal support 4 by cavities seals, finally the surrounding bi-component silicone fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: in outer gimbal support tongue, fill silica aerogel material, with butyl rubber 3 three blocks of glass 1 and outer gimbal support glued together and make two open cavities, two pieces of aerogel particles 2 are inserted in cavity respectively; In atmospheric environment, with butyl rubber 3 and outer gimbal support by cavities seals, cavity presets and vacuumizes valve, then cavity is vacuumized, shutoff vacuumizes valve, finally the surrounding bi-component silicone fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, a kind of preparation method of aerogel thermal insulation glass, comprise the following steps: at outer gimbal support tongue outer cladding silica aerogel material, with butyl rubber 3 three blocks of glass 1 and outer gimbal support glued together and make two open cavities, two pieces of aerogel particles 2 are inserted in cavity respectively; In vacuum environment, with butyl rubber 3 and outer gimbal support by cavities seals, finally the surrounding bi-component silicone fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
On the basis of above-described embodiment, in another embodiment of the present invention, described filler step is specially, and is inserted in cavity by aeroge plate.This aerogel thermal insulation glass, because wherein set aeroge plate is overall, thus has good light transmission, fully can meet the requirement of printing opacity view curtain wall or glass of door and window in light transmittance.
On the basis of above-described embodiment, in another embodiment of the present invention, described aeroge plate is silica aerogel particles is encapsulated by transparent plastic film sealing shroud the laminated structure formed.So, described aeroge plate not only has good light transmission and shading performance, and with transparent plastic film sealing shroud, silica aerogel particles encapsulation can be avoided because glass breaking causes aerogel particle to be scattered, and cannot the problem of recycling.
On the basis of above-described embodiment, in another embodiment of the present invention, described transparent plastic film sealing shroud is reserved with at least one feeding port and/or extract opening.So, filling silica aerogel particles can be carried out or process of bleeding from feeding port and/or extract opening to aeroge plate easily, increase work efficiency.
On the basis of above-described embodiment, in another embodiment of the present invention, before described filler step, in advance process is vacuumized to transparent plastic film sealing shroud.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, in described filler step, process is vacuumized to transparent plastic film sealing shroud simultaneously.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, after described filler step, then process is vacuumized to transparent plastic film sealing shroud.So, after process is vacuumized to transparent plastic film sealing shroud, the drying property of its inside obtains sufficient guarantee, simultaneously, because there is negative pressure, transparent plastic film sealing shroud compresses its inner silica aerogel particles of filling, and can prevent air or steam from entering wherein, avoid dew condensation phenomenon; In addition, also can reduce the heat trnasfer of aeroge plate, further increase the performance such as heat-insulation and heat-preservation and sound insulation of aerogel thermal insulation glass.
On the basis of above-described embodiment, in another embodiment of the present invention, after process is vacuumized to transparent plastic film sealing shroud, also comprise the step being added inert gas by described extract opening to described transparent plastic film sealing shroud.So, be filled with inert gas in transparent plastic film sealing shroud after, reduce the external and internal pressure difference of transparent plastic film sealing shroud, the security incident probability of the glass self-explosion causing transparent plastic film sealing shroud volumetric change to cause because of the cold and hot temperature difference can be reduced; And inert gas is added in transparent plastic film sealing shroud, the heat trnasfer in aerogel thermal insulation glass cavity can be reduced, improve the performance such as heat-insulation and heat-preservation, sound insulation, Anti-dew of glass further.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a preparation method for aerogel thermal insulation glass, is characterized in that, comprises the following steps:
(1) at least two blocks of glass are arranged on outer gimbal support by the making of glass cavity, and between outer gimbal support and glass, form the cavity of at least one opening;
(2) filler, adds aerogel particle in cavity;
(3) edge sealing, seals open cavity with outer gimbal support;
(4) vacuumize, by vacuum extractor, process is vacuumized to cavity;
(5) seal, the surrounding fluid sealant of aerogel thermal insulation glass is carried out encapsulation process.
2. the preparation method of aerogel thermal insulation glass according to claim 1, it is characterized in that, in described filler step, the also closely knit treatment step of involving vibrations, when vibratory compaction treatment step is specially and is added in cavity by aerogel particle, vibratory compaction device is adopted to carry out vibratory compaction process to aerogel particle.
3. the preparation method of aerogel thermal insulation glass according to claim 1, it is characterized in that, after described filler step, the also closely knit treatment step of involving vibrations, vibratory compaction treatment step is specially and is added after in cavity by aerogel particle, adopts vibratory compaction device to carry out vibratory compaction process to aerogel particle.
4. the preparation method of the aerogel thermal insulation glass according to Claims 2 or 3, it is characterized in that, described vibratory compaction device be mechanical vibrators, Pneumatic vibrator, hydraulic type vibratory device, ultrasonic wave vibration or electromagnetic vibrator in one or more.
5. the preparation method of aerogel thermal insulation glass according to claim 1, is characterized in that, the vibration mode of described vibratory compaction device is rectilinear or horizontal or combined type.
6. the preparation method of aerogel thermal insulation glass according to claim 1, it is characterized in that, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially and adds desiccant in outer gimbal support tongue.
7. the preparation method of aerogel thermal insulation glass according to claim 1, it is characterized in that, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially fill insulant material in outer gimbal support tongue.
8. the preparation method of aerogel thermal insulation glass according to claim 1, it is characterized in that, before the making step of described glass cavity, also comprise outer gimbal support tongue treatment step, described outer gimbal support tongue treatment step is specially at outer gimbal support tongue outer cladding heat insulating material or the surface recombination one deck gas barrier film at outer gimbal support tongue.
9. the preparation method of the aerogel thermal insulation glass according to claim 7 or 8, is characterized in that, described heat insulating material is aeroge.
10. the preparation method of aerogel thermal insulation glass according to claim 1, is characterized in that, described fluid sealant is bi-component polysulfide fluid sealant or bi-component silicone fluid sealant; Or in step (1), with glue at least two blocks of glass are arranged on outer gimbal support and form at least one enclosed cavity, described enclosed cavity is provided with and is attached thereto logical feeding device and vacuum extractor, in described step (2), in filler process, carry out vacuumizing and vibratory compaction process simultaneously; After filler completes, close feeding port and vacuum orifice, then, aerogel thermal insulation glass surrounding fluid sealant carries out encapsulation process and namely obtains aerogel thermal insulation glass; Or step (3) described edge sealing, be in atmospheric environment, with glue by cavities seals, described cavity preset and vacuumizes valve; After step (3) and step (4) before also comprise vacuum step; Or after described vacuum step, also comprise inert gas and add step, add inert gas specifically by the described valve that vacuumizes to described cavity; Or described outer gimbal support is convex shape structure, huge character form structure, inverted T shape structure or E type structure; Or described filler step is specially, and inserts in cavity by aeroge plate; Or described aeroge plate is silica aerogel particles is encapsulated by transparent plastic film sealing shroud the laminated structure formed; Or described transparent plastic film sealing shroud is reserved with at least one feeding port and/or extract opening; Or before described filler step, in advance process is vacuumized to transparent plastic film sealing shroud; Or in described filler step, process is vacuumized to transparent plastic film sealing shroud simultaneously; Or after described filler step, then process is vacuumized to transparent plastic film sealing shroud; Or after process is vacuumized to transparent plastic film sealing shroud, also comprise the step being added inert gas by described extract opening to described transparent plastic film sealing shroud.
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| CN108621752A (en) * | 2017-03-17 | 2018-10-09 | 长沙星纳气凝胶有限公司 | A kind of safety and energy-saving automobile glass and its manufacturing method |
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Inventor after: Lu Bin Inventor after: Lu Jun Inventor after: Lu Mengyan Inventor after: Lu Shan Inventor before: Lu Jun Inventor before: Lu Mengyan Inventor before: Lu Shan |