CN103206027A - Vacuum heat-preserving plate for light building - Google Patents
Vacuum heat-preserving plate for light building Download PDFInfo
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- CN103206027A CN103206027A CN2013101424961A CN201310142496A CN103206027A CN 103206027 A CN103206027 A CN 103206027A CN 2013101424961 A CN2013101424961 A CN 2013101424961A CN 201310142496 A CN201310142496 A CN 201310142496A CN 103206027 A CN103206027 A CN 103206027A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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Abstract
The invention relates to a vacuum heat-preserving plate for a light building. The vacuum heat-preserving plate comprises a low-density micro-porous inorganic heat-preserving layer, a core plate enhanced wrapping layer and a low-permeability air resistance film surface layer, is characterized by consisting of the low-density micro-porous inorganic heat-preserving layer, the core plate enhanced wrapping layer and the low-permeability air resistance film surface layer, and has a structure that the low-density micro-porous inorganic heat-preserving layer, the core plate enhanced wrapping layer and the low-permeability air resistance film surface layer are sequentially arranged from inside to outside. The low-permeability air resistance film surface layer is internally vacuumized. The low-density micro-porous inorganic heat-preserving layer consists of plant ash, silicon dioxide and glass staple fibers. The thickness of the low-density micro-porous inorganic heat-preserving layer is 7 to 30mm. The core plate enhanced wrapping layer is made of a non-woven fabric material. The weight of the core plate enhanced wrapping layer is 40 to 70g per square meter. The low-permeability air resistance film surface layer has a five-layer aluminum plastic composite structure. The thickness of the low-permeability air resistance film surface layer is 0.2 to 0.5mm. The vacuum heat-preserving plate has the advantages of light weight, convenience in transportation, environment friendliness, high heat-preserving performance, long service life, incombustibility, and A-grade fire resistance. Materials are easily obtained and low in cost.
Description
Technical field
The present invention relates to a kind of warming plate, specifically a kind of light-weight building vacuum heat-insulation plate.
Background technology
Vacuum heat-insulation plate is to make vacuum bag and inner micropore core constitutes by the high-barrier vacuum diaphragm on top layer in the prior art, by improving the heat transfer path that inner vacuum completely cuts off gas, gets heat insulation, insulation and energy-conservation effect.In building operations such as esidential building, office space, in order to reach the purpose of energy-saving and emission-reduction, better make the building heat-insulation and heat-preservation, need warming plate be installed at the exterior wall of building, with warming plate building is wrapped up, thus the loss of minimizing building internal thermal energy.Along with requirements of saving energy is improved, traditional insulation can not be satisfied efficiently, low-carbon (LC), requirements of saving energy, vacuum heat-insulating plate with its fire prevention, efficiently, the advantage of low-carbon (LC) introduced building heat preservation.
The core that vacuum heat-insulation plate is commonly used has two major types at present, a kind of is fiber-like materials such as glass wool, alumina silicate fibre, ceramic fibre, another kind is silica powdery material, reasons such as energy consumption is big when producing owing to fiber-like material itself, cost is high, application life is short mostly are used for the insulation on electrical equipment and the equipment, and vacuum heat-insulation plate for building mostly adopts silica powdery material to use as core.But the vacuum heat-insulation plate for building that is to use silicon dioxide powder to make exists that Unit Weight is heavy, material resources is deficient, require places high, the high a lot of deficiencies of cost cost to be improved to vacuum.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, a kind of light-weight building vacuum heat-insulation plate is provided, the technical solution adopted for the present invention to solve the technical problems is: structure of the present invention comprises that low-density microporous inorganic insulation layer, central layer strengthen integument, hyposmosis choke film top layer, is characterized in that: form vacuum heat-insulation plate by low-density microporous inorganic insulation layer, central layer enhancing integument and hyposmosis choke film top layer.
Described a kind of light-weight building vacuum heat-insulation plate, it is characterized in that: the structure of described vacuum heat-insulation plate is followed successively by low-density microporous inorganic insulation layer from inside to outside, central layer strengthens integument, hyposmosis choke film top layer, and the inside on hyposmosis choke film top layer is vacuum.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: low-density microporous inorganic insulation layer is made up of plant ash, silica, staple glass fibre.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: the thickness of low-density microporous inorganic insulation layer is 7-30mm.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: it is that nonwoven cloth material is made that central layer strengthens integument, and every weight per square meter is the 40-70 gram.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: hyposmosis choke film top layer is five layers of plastic-aluminum combined structure, and the thickness on hyposmosis choke film top layer is 0.2-0.5mm.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: the coefficient of thermal conductivity≤0.01W/m.K of described vacuum heat-insulation plate.
Described a kind of light-weight building vacuum heat-insulation plate is characterized in that: described thickness is the weight≤4kg/m of the vacuum heat-insulation plate of 10mm
2
Vacuum heat-insulation plate of the present invention be utilize plant ash that stalk power plant and biomass electric power plant produce and silicon dioxide powder to add and be pressed into after a spot of staple glass fibre mixes have the percent opening height, low-density insulation layer that the aperture is little, with nonwoven it is wrapped up, air can be passed through, solid powder can not pass through, dry in the vacuum bag of being made by hyposmosis choke film of packing into after the processing, hot-press sealed is made sheet material after the extracting vacuum again.This warming plate not only unit mass is light, and good heat-insulation effect, and use sharp waste materials plant ash has characteristics such as stable performance, fire resistance be good, easy to use.
The making processing method of vacuum heat-insulation plate:
1), plant ash and silicon dioxide powder are added staple glass fibre and fully be mixed into combination, the ashes that when plant ash adopts stalk power plant and biomass electric power plant generating stalk and faggot burning back produced, the small 0.1-10 μ of particle diameter m granule content is more than 50%, cellular structure, and bulk density is at 15g/cm
2, the particle diameter of silicon dioxide powder is the 1-3 micron, bulk density is at 20g/cm
2, the diameter of staple glass fibre is at 7-13 μ m, and length is 6-10mm, and the powder ratio is:
Plant ash: silicon dioxide powder: staple glass fibre=50: 48: 2;
2), will make up powder pours mould into and suppresses, size specification is according to the size adjustment of mould, thickness is according to the powder quantity adjustment of pouring into, and pressure is controlled about every square metre/20 tons, is pressed into required specification and thickness and makes tabular low-density microporous inorganic insulation layer;
3), with nonwoven tabular low-density microporous inorganic insulation layer is wrapped up, nonwoven is 40-80 gram/m
2, get the intensity that increases low-density microporous inorganic insulation layer and when extracting vacuum air can pass through the intransitable effect of powder, the powder pollution vacuum equipment that comes off when preventing vacuum;
4), with drying plant baking 10-20 minute that the low-density microporous inorganic insulation layer that wraps is put into the 100-110 degree, guarantee that moisture control is in 2 ‰;
5), in the vacuum bag that the hyposmosis choke film of packing into is made, vacuum bag is three banding structures, reserve on one side as the sack low-density insulation layer of packing into and use, hyposmosis choke film is 5 layers of structure, once be first floor from outside to inside: alkaline-resisting glass cloth, play and strengthen hyposmosis choke film tension, anti-tear, the effect of anti-puncture, the second layer: PET plays waterproof action, the 3rd layer: aluminium foil, the reflective insulation effect, the 4th layer: PA, choke effect, the 5th time: PE, heat-sealing effect when playing bag and sealing is carried out compound with the alkali-resistant glue hydromining with the dry method complex technique between the sandwich construction;
6), put into the vacuum machine and carry out extracting vacuum, seal when pressure in vacuum tank is evacuated to 0.1mbar, central layer is enclosed among the vacuum bag of negative pressure;
7), the vacuum machine is exitted to atmospheric pressure state taking-up sheet material.
The invention has the beneficial effects as follows that 1. the present invention has the following advantages, light weight, alleviate that building loading, cost of transportation reduce, carrying is convenient, the every weight per square meter of the sheet material of 10mm thickness is in 4Kg; 2., adopt sharp waste materials: plant ash is as the core major ingredient, have environmental protection, green, plant ash is the ashes of stalk through producing after fully burning, and is that organic transformation becomes inorganic molecule, have in light weight, characteristics such as particle diameter is little, particle diameter hollow, be conducive to the vacuum condition of vacuum sheet material; 3., material easily purchases, inexpensive, stalk power plant, biomass fermentation power plant produce a large amount of plant ash, low price; 4., vacuum requires low: prior art will reach coefficient of thermal conductivity w/ (mK) and need maintain in the 0.01mbar with interior vacuum 0.01, and the technology of the present invention will reach coefficient of thermal conductivity w/ (mK) as long as maintain in the 0.1mbar with interior vacuum 0.01; 5., have higher heat-insulating property: coefficient of thermal conductivity w/ (mK) is in 0.01; 6., stable performance under the state of negative pressure, do not discharge gas, long service life.7., not flammable, fire prevention can reach the A level.
Description of drawings
Fig. 1: embodiment of the invention structural representation.
Fig. 2: embodiment of the invention decomposition texture schematic diagram.
Among the figure: low-density microporous inorganic insulation layer 1, central layer strengthen integument 2, hyposmosis choke film top layer 3.
The specific embodiment
With reference to description of drawings the present invention is done following concrete detailed description.As shown in drawings, structure of the present invention comprises that low-density microporous inorganic insulation layer 1, central layer strengthen integument 2, hyposmosis choke film top layer 3, forms vacuum heat-insulation plate by low-density microporous inorganic insulation layer 1, central layer enhancing integument 2 and hyposmosis choke film top layer 3.
The structure of described vacuum heat-insulation plate is followed successively by low-density microporous inorganic insulation layer 1 from inside to outside, central layer strengthens integument 2, hyposmosis choke film top layer 3, and the inside on hyposmosis choke film top layer 3 is vacuum.
Low-density microporous inorganic insulation layer 1 is made up of plant ash, silica, staple glass fibre.
The thickness of low-density microporous inorganic insulation layer 1 is 7-30mm.
Central layer strengthens integument 2 to be made for nonwoven cloth material, and every weight per square meter is the 40-70 gram.
Hyposmosis choke film top layer 3 is five layers of plastic-aluminum combined structure, and the thickness on hyposmosis choke film top layer 3 is 0.2-0.5mm.
Coefficient of thermal conductivity≤the 0.01W/m.K of described vacuum heat-insulation plate.
Described thickness is the weight≤4kg/m of the vacuum heat-insulation plate of 10mm
2Thickness is the weight≤8kg/m of the vacuum heat-insulation plate of 20mm
2Thickness is the weight≤12kg/m of the vacuum heat-insulation plate of 30mm
2
Embodiment recited above is described preferred embodiment of the present invention; be not that the spirit and scope of the present invention are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (8)
1. light-weight building vacuum heat-insulation plate, comprise that low-density microporous inorganic insulation layer (1), central layer strengthen integument (2), hyposmosis choke film top layer (3), is characterized in that: form vacuum heat-insulation plate by low-density microporous inorganic insulation layer (1), central layer enhancing integument (2) and hyposmosis choke film top layer (3).
2. according to claims 1 described a kind of light-weight building vacuum heat-insulation plate, it is characterized in that: the structure of described vacuum heat-insulation plate is followed successively by low-density microporous inorganic insulation layer (1) from inside to outside, central layer strengthens integument (2), hyposmosis choke film top layer (3), and the inside on hyposmosis choke film top layer (3) is vacuum.
3. according to claims 1 or 2 described a kind of light-weight building vacuum heat-insulation plates, it is characterized in that: low-density microporous inorganic insulation layer (1) is made up of plant ash, silica, staple glass fibre.
4. according to claims 3 described a kind of light-weight building vacuum heat-insulation plates, it is characterized in that: the thickness of low-density microporous inorganic insulation layer (1) is 7-30mm.
5. according to claims 1 or 2 described a kind of light-weight building vacuum heat-insulation plates, it is characterized in that: central layer strengthens integument (2) to be made for nonwoven cloth material, and every weight per square meter is the 40-70 gram.
6. according to claims 1 or 2 described a kind of light-weight building vacuum heat-insulation plates, it is characterized in that: hyposmosis choke film top layer (3) is five layers of plastic-aluminum combined structure, and the thickness on hyposmosis choke film top layer (3) is 0.2-0.5mm.
7. according to claims 1 described a kind of light-weight building vacuum heat-insulation plate, it is characterized in that: the coefficient of thermal conductivity≤0.01W/m.K of described vacuum heat-insulation plate.
8. according to claims 1 described a kind of light-weight building vacuum heat-insulation plate, it is characterized in that: described thickness is the weight≤4kg/m of the vacuum heat-insulation plate of 10mm
2
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| CN201310142496.1A CN103206027B (en) | 2013-04-24 | 2013-04-24 | A kind of light-weight building vacuum heat-insulation plate |
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| CN201310142496.1A CN103206027B (en) | 2013-04-24 | 2013-04-24 | A kind of light-weight building vacuum heat-insulation plate |
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| CN103206027B CN103206027B (en) | 2015-11-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326713A (en) * | 2014-10-09 | 2015-02-04 | 合肥向荣环保科技有限公司 | Method for making heat insulation plate by doping cast iron slag |
| CN104976865A (en) * | 2015-06-25 | 2015-10-14 | 滁州银兴新材料科技有限公司 | Drying method of silicon dioxide vacuum insulated panel |
| CN105240652A (en) * | 2015-09-06 | 2016-01-13 | 靳亲国 | Vacuum structure high-temperature thermal baffle and preparation method thereof |
| CN106121071A (en) * | 2016-08-26 | 2016-11-16 | 安徽百特新材料科技有限公司 | A kind of vacuum heat-insulating plate and processing method thereof |
| CN106586287A (en) * | 2016-12-20 | 2017-04-26 | 重庆市长寿区舒福食品有限公司 | Water permeating and electrifying type packing bag and processing device thereof |
| CN107023087A (en) * | 2017-05-02 | 2017-08-08 | 青岛科瑞新型环保材料集团有限公司 | A kind of excellent vacuum heat-insulating plate of fire protecting performance and its production method |
| CN107542175A (en) * | 2017-08-10 | 2018-01-05 | 滁州银兴新材料科技有限公司 | A kind of high-performance ultrathin type building vacuum heat-insulating shield and its manufacture method |
| CN109185599A (en) * | 2018-08-31 | 2019-01-11 | 南通江山农药化工股份有限公司 | Lightening fire resistant heat-insulating material and its foam process |
| CN111439960A (en) * | 2020-04-07 | 2020-07-24 | 南通根博新材料科技有限公司 | Environment-friendly light heat-insulating material and preparation method thereof |
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| CN104326713A (en) * | 2014-10-09 | 2015-02-04 | 合肥向荣环保科技有限公司 | Method for making heat insulation plate by doping cast iron slag |
| CN104976865A (en) * | 2015-06-25 | 2015-10-14 | 滁州银兴新材料科技有限公司 | Drying method of silicon dioxide vacuum insulated panel |
| CN105240652A (en) * | 2015-09-06 | 2016-01-13 | 靳亲国 | Vacuum structure high-temperature thermal baffle and preparation method thereof |
| CN106121071A (en) * | 2016-08-26 | 2016-11-16 | 安徽百特新材料科技有限公司 | A kind of vacuum heat-insulating plate and processing method thereof |
| CN106586287A (en) * | 2016-12-20 | 2017-04-26 | 重庆市长寿区舒福食品有限公司 | Water permeating and electrifying type packing bag and processing device thereof |
| CN107023087A (en) * | 2017-05-02 | 2017-08-08 | 青岛科瑞新型环保材料集团有限公司 | A kind of excellent vacuum heat-insulating plate of fire protecting performance and its production method |
| CN107023087B (en) * | 2017-05-02 | 2019-04-30 | 青岛科瑞新型环保材料集团有限公司 | A kind of vacuum heat-insulating plate that fire protecting performance is excellent and its production method |
| CN107542175A (en) * | 2017-08-10 | 2018-01-05 | 滁州银兴新材料科技有限公司 | A kind of high-performance ultrathin type building vacuum heat-insulating shield and its manufacture method |
| CN109185599A (en) * | 2018-08-31 | 2019-01-11 | 南通江山农药化工股份有限公司 | Lightening fire resistant heat-insulating material and its foam process |
| CN111439960A (en) * | 2020-04-07 | 2020-07-24 | 南通根博新材料科技有限公司 | Environment-friendly light heat-insulating material and preparation method thereof |
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