CN103206027B - A kind of light-weight building vacuum heat-insulation plate - Google Patents
A kind of light-weight building vacuum heat-insulation plate Download PDFInfo
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- CN103206027B CN103206027B CN201310142496.1A CN201310142496A CN103206027B CN 103206027 B CN103206027 B CN 103206027B CN 201310142496 A CN201310142496 A CN 201310142496A CN 103206027 B CN103206027 B CN 103206027B
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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 present invention relates to a kind of light-weight building vacuum heat-insulation plate, comprise low-density microporous inorganic insulation layer, central layer strengthens integument, hyposmosis gas barrier film top layer, it is characterized in that: form vacuum heat-insulation plate by low-density microporous inorganic insulation layer, central layer enhancing integument and hyposmosis gas barrier film top layer.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 gas barrier film top layer, and the inside on hyposmosis gas barrier film top layer is vacuum.Low-density microporous inorganic insulation layer is made up of plant ash, silica, staple glass fibre.The thickness of low-density microporous inorganic insulation layer is 7-30mm.It is that nonwoven cloth material is made that central layer strengthens integument, and weight per square meter is 40-70 gram.Hyposmosis gas barrier film top layer is five layers of aluminium-plastic composite structure, and the thickness on hyposmosis gas barrier film top layer is 0.2-0.5mm.The present invention have the following advantages light weight, carry convenient, green, environmental protection, material is easily purchased, inexpensive, has higher heat-insulating property, long service life.Non-combustible, fire prevention can reach A level.
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
In prior art, vacuum heat-insulation plate makes vacuum bag by the high-barrier vacuum diaphragm on top layer and inner micropore core is formed, and carrys out the heat transfer path of isolated gas by improving inner vacuum, gets heat insulation, insulation and energy-conservation effect.In the building operations such as esidential building, office space, in order to reach the object of energy-saving and emission-reduction, better making building heat-insulation and heat-preservation, needing, on the exterior wall of building, warming plate is installed, with warming plate, building is wrapped up, thus reduce the loss of building internal thermal energy.Improve along with to energy-conservation requirement, traditional insulation can not meet efficiently, low-carbon (LC), energy-conservation requirement, vacuum heat-insulating plate is with its fire prevention, efficiently, the advantage of low-carbon (LC) introduces building heat preservation.
The core that current vacuum heat-insulation plate is conventional has two large types, one is the fiber-like materials such as glass wool, alumina silicate fibre, ceramic fibre, another kind is silica powdery material, due to the insulation of reason mostly on electrical equipment and equipment such as when fiber-like material itself is produced, energy consumption are large, cost is high, application life is short, vacuum heat-insulation plate for building mostly adopts silica powdery material to use as core.But the vacuum heat-insulation plate for building using silicon dioxide powder to make, exists that Unit Weight is heavy, material resources place that is deficient, high to vacuum requirement, the high a lot of deficiency of cost needs to be improved.
Summary of the invention
Technical problem to be solved by this invention overcomes 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 low-density microporous inorganic insulation layer, central layer strengthens integument, hyposmosis gas barrier film top layer, it is characterized in that: form vacuum heat-insulation plate by low-density microporous inorganic insulation layer, central layer enhancing integument and hyposmosis gas barrier 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 gas barrier film top layer, and the inside on hyposmosis gas barrier 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 weight per square meter is 40-70 gram.
Described a kind of light-weight building vacuum heat-insulation plate, is characterized in that: hyposmosis gas barrier film top layer is five layers of aluminium-plastic composite structure, and the thickness on hyposmosis gas barrier 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 is pressed into after utilizing the plant ash of Straw fired power plant and biomass electric power plant generation and silicon dioxide powder to add a small amount of staple glass fibre mixing to have the low-density insulation layer that percent opening is high, aperture is little, with non-woven fabrics, it is wrapped up, make air by, solid powder not by, load after carrying out drying and processing again in the vacuum bag be made up of hyposmosis gas barrier film, hot-press sealed manufactured Board material after extracting vacuum.This warming plate not only unit mass is light, good heat-insulation effect, and uses sharp waste materials plant ash, has the features such as stable performance, fire resistance are 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 be fully mixed into combination, plant ash adopts the ashes will produced after stalk and faggot burning when Straw fired power plant and biomass electric power plant generating, the small 0.1-10 of particle diameter μm granule content more than 50%, cellular structure, bulk density is at 15g/cm
2, the particle diameter of silicon dioxide powder is 1-3 micron, and bulk density is at 20g/cm
2, the diameter of staple glass fibre is at 7-13 μm, and length is 6-10mm, and powder ratio is:
Plant ash: silicon dioxide powder: staple glass fibre=50: 48: 2;
2), pour combination powder into mould to suppress, size specification adjusts according to the size of mould, thickness is according to the powder quantity adjustment of pouring into, and Stress control, at every square metre/about 20 tons, is pressed into the low-density microporous inorganic insulation layer that required specification and thickness make tabular;
3), with the low-density microporous inorganic insulation layer of non-woven fabrics by tabular wrap up, non-woven fabrics is 40-80 gram/m
2, get the intensity that increases low-density microporous inorganic insulation layer and air can pass through when extracting vacuum, the intransitable effect of powder, when preventing vacuum, powder comes off pollution vacuum equipment;
4) drying plant, by the low-density microporous inorganic insulation layer wrapped putting into 100-110 degree toasts 10-20 minute, ensures that moisture controls within 2 ‰;
5), in the vacuum bag that loading hyposmosis gas barrier film is made, vacuum bag is three edge seal structures, reserved while load the use of low-density insulation layer as sack, hyposmosis gas barrier film is 5 Rotating fields, be once first floor from outside to inside: alkali-resisting glass fiber cloth, play and strengthen hyposmosis gas barrier film tension, anti-tear, the effect of puncture resistant, the second layer: PET, play waterproof action, third layer: aluminium foil, reflective insulation effect, 4th layer: PA, choke effect, 5th time: PE, play heat-sealing effect when bag and sealing, compound is carried out by alkali-resistant glue hydromining dry laminating technology between sandwich construction,
6), put into vacuum machine and carry out extracting vacuum, seal when pressure in vacuum tank is evacuated to 0.1mbar, among vacuum bag central layer being enclosed in negative pressure;
7), vacuum machine venting takes out sheet material to atmospheric pressure state.
The invention has the beneficial effects as follows, 1. the present invention has the following advantages, light weight, alleviate building loading, cost of transportation reduces, carries convenient, the sheet material weight per square meter of 10mm thickness is within 4Kg; 2., sharp waste materials is adopted: plant ash is as core major ingredient, have environmental protection, green, plant ash is the ashes that stalk produces after Thorough combustion, is the molecule that organic transformation becomes inorganic, there is lightweight, the feature such as particle diameter is little, particle diameter hollow, be conducive to the vacuum condition of vacuum plate; 3., material easily purchases, inexpensive, Straw fired power plant, biomass power plant produce a large amount of plant ash, low price; 4., vacuum requirement is low: prior art will reach within coefficient of thermal conductivity w/ (mK) vacuum within 0.01 needs to maintain 0.01mbar, and the technology of the present invention will reach coefficient of thermal conductivity w/ (mK) as long as within vacuum maintains 0.1mbar within 0.01; 5., there is higher heat-insulating property: coefficient of thermal conductivity w/ (mK) is within 0.01; 6., stable performance under the state of negative pressure, do not discharge gas, long service life.7., non-combustible, fire prevention can reach A level.
Accompanying drawing explanation
Fig. 1: embodiment of the present invention structural representation.
Fig. 2: embodiment of the present invention decomposition texture schematic diagram.
In figure: low-density microporous inorganic insulation layer 1, central layer strengthen integument 2, hyposmosis gas barrier film top layer 3.
Detailed description of the invention
Illustrate with reference to accompanying drawing and following concrete detailed description is done to the present invention.As shown in drawings, structure of the present invention comprises low-density microporous inorganic insulation layer 1, central layer strengthens integument 2, hyposmosis gas barrier film top layer 3, forms vacuum heat-insulation plate by low-density microporous inorganic insulation layer 1, central layer enhancing integument 2 and hyposmosis gas barrier 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 gas barrier film top layer 3, and the inside on hyposmosis gas barrier 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 and makes for nonwoven cloth material, and weight per square meter is 40-70 gram.
Hyposmosis gas barrier film top layer 3 is five layers of aluminium-plastic composite structure, and the thickness on hyposmosis gas barrier 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
2; Thickness is the weight≤8kg/m of the vacuum heat-insulation plate of 20mm
2; Thickness is the weight≤12kg/m of the vacuum heat-insulation plate of 30mm
2.
Embodiment recited above is only be described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design concept of the present invention; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement; protection scope of the present invention all should be fallen into; the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (6)
1. a light-weight building vacuum heat-insulation plate, comprise low-density microporous inorganic insulation layer (1), central layer strengthens integument (2), hyposmosis gas barrier film top layer (3), it is characterized in that: form vacuum heat-insulation plate by low-density microporous inorganic insulation layer (1), central layer enhancing integument (2) and hyposmosis gas barrier 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 gas barrier film top layer (3), and the inside on hyposmosis gas barrier film top layer (3) is vacuum; Described low-density microporous inorganic insulation layer (1) is made up of plant ash, silica, staple glass fibre;
The making processing method of vacuum heat-insulation plate:
1), plant ash and silicon dioxide powder are added staple glass fibre and be fully mixed into combination, plant ash adopts the ashes will produced after stalk and faggot burning when Straw fired power plant and biomass electric power plant generating, the small 0.1-10 of particle diameter μm granule content more than 50%, cellular structure; The particle diameter of silicon dioxide powder is 1-3 micron; The diameter of staple glass fibre is at 7-13 μm, and length is 6-10mm; Powder ratio is plant ash: silicon dioxide powder: staple glass fibre=50:48:2;
2), pour combination powder into mould to suppress, size specification adjusts according to the size of mould, thickness is according to the powder quantity adjustment of pouring into, and Stress control, at every square metre/20 tons, is pressed into the low-density microporous inorganic insulation layer that required specification and thickness make tabular;
3), wrap up with the low-density microporous inorganic insulation layer of non-woven fabrics by tabular, non-woven fabrics is 40-80 Ke/㎡, play the intensity that increases low-density microporous inorganic insulation layer and air can pass through when extracting vacuum, the intransitable effect of powder, when preventing vacuum, powder comes off pollution vacuum equipment;
4) drying plant, by the low-density microporous inorganic insulation layer wrapped putting into 100-110 degree toasts 10-20 minute, ensures that moisture controls within 2 ‰;
5), in the vacuum bag that loading hyposmosis gas barrier film is made, vacuum bag is three edge seal structures, reserved while load the use of low-density insulation layer as sack, hyposmosis gas barrier film is five-layer structure, be followed successively by first floor from outside to inside: alkali-resisting glass fiber cloth, play and strengthen hyposmosis gas barrier film tension, anti-tear, the effect of puncture resistant, the second layer: PET, play waterproof action, third layer: aluminium foil, reflective insulation effect, 4th layer: PA, choke effect, layer 5: PE, play heat-sealing effect when bag and sealing, compound is carried out by alkali-resistant glue hydromining dry laminating technology between sandwich construction,
6), put into vacuum machine and carry out extracting vacuum, seal when pressure in vacuum tank is evacuated to 0.1mbar, among vacuum bag central layer being enclosed in negative pressure;
7), vacuum machine venting takes out sheet material to atmospheric pressure state.
2. a kind of light-weight building vacuum heat-insulation plate according to claim 1, is characterized in that: the thickness of low-density microporous inorganic insulation layer (1) is 7-30mm.
3. a kind of light-weight building vacuum heat-insulation plate according to claim 1 and 2, is characterized in that: central layer strengthens integument (2) and makes for nonwoven cloth material, and weight per square meter is 40-70 gram.
4. a kind of light-weight building vacuum heat-insulation plate according to claim 1 and 2, is characterized in that: hyposmosis gas barrier film top layer (3) is five layers of aluminium-plastic composite structure, and the thickness on hyposmosis gas barrier film top layer (3) is 0.2-0.5mm.
5. a kind of light-weight building vacuum heat-insulation plate according to claim 1, is characterized in that: the coefficient of thermal conductivity≤0.01W/m.K of described vacuum heat-insulation plate.
6. a kind of light-weight building vacuum heat-insulation plate according to claim 1, is characterized in that: described thickness is the weight≤4kg/ ㎡ of the vacuum heat-insulation plate of 10mm.
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