CN102718450B - Heat insulation core board for walls and method for processing heat insulation core board for walls - Google Patents
Heat insulation core board for walls and method for processing heat insulation core board for walls Download PDFInfo
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- CN102718450B CN102718450B CN201210187612.7A CN201210187612A CN102718450B CN 102718450 B CN102718450 B CN 102718450B CN 201210187612 A CN201210187612 A CN 201210187612A CN 102718450 B CN102718450 B CN 102718450B
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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
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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 relates to a heat insulation core board and a preparation method thereof. The heat insulation core board is made of 40-90wt% of superfine silicon dioxide power, 0-45wt% of filler, 0-20wt% of inorganic core materials, 1-18wt% of inorganic fibers, 0-3wt% of getter and 0-3wt% of vacuum stabilizer. The preparation method of the heat insulation core board includes steps of (1) burdening, (2) drying, (3) bag making by nonwoven fabrics, (4) core material filling, (5) bag material spreading, (4) compression forming and the like.
Description
Technical field
The present invention relates to production of construction materials technical field, relate in particular to a kind of wall thermal insulating central layer and production method thereof.
Background technology
Insulation central layer is a kind of in lagging material; by filling core and vacuum protection top layer, be composited; the heat transmission that it avoids convection of air to cause effectively; therefore thermal conductivity significantly reduces; be less than 0.008w/m.K; and do not contain any ODS material, there is environmental protection and energy-efficient characteristic.Compare with traditional insulation materials, insulation central layer have layer thin, volume is little, lightweight, combustionproperty is the advantage of A level.
After the eighties in 20th century, world climate warms, and the energy is increasingly exhausted, under the dual-pressure of environmental protection and the energy, to exterior-wall heat insulation, bring new requirement, should good heat insulating, flame retardant resistance is high again, and the external-wall heat-insulation material using is at present mainly the organic materialss such as polystyrene and urethane, these material heat-insulating properties and workability are all fine, cost is also relatively low, but the fatal shortcoming of these materials is easy firing, and combustionproperty is B2.Production of construction materials industry faces exploitation key subjects new, effectively insulating wall thermal insulating central layer.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is, a kind of method of utilizing the material produce insulation central layers such as silicon-dioxide and inorganic fibre is provided, and the insulation central layer thermal conductivity of production is little, i.e. good heat insulating, and flame retardant resistance is high.
In order to realize foregoing invention object, the technical solution used in the present invention is: a kind of insulation central layer, contains superfine silicon dioxide powder 40-90wt%, stopping composition 0-45wt%, inorganic core material 0-20wt%, inorganic fibre 1-18wt%, getter 0-3wt%, vacuum stablizer 0-3wt%.
Further, described superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, volcanic ash, SILICA FUME, perlite powder, SiO 2 powder, and its tap density is 130-280kg/m
3, specific surface area is 15-29m
2/ g, median size is 0.1-2 micron, and described vacuum stablizer is hollow sorbing material, and mean inside diameter is 0.1-3 micron.
Further, described stopping composition is one or more the mixture in flyash, pearlstone, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, diatomite, super glass wool, centrifugally glass-wool, rock wool.
Further, described inorganic core material is one or more mixture of aerogel, aerosil, precipitated silica.
Further, described inorganic fibre is one or more the mixture in glass chopped silk, super glass wool, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, foam, and its length is 3-12mm, and Fibre diameter is 0.2-13 micron.
Further, described getter is one or more the mixture in gac, barium lithium alloy activator, calcium oxide, magnesium oxide, silica gel.
Further, described vacuum stablizer is carborundum or ultra-fine fibre active carbon material or the mixture of the two, and it mainly absorbs the light frequency ranges such as Infrared, far-infrared light, can absorb again the gas that the core materials such as water vapor, nitrogen slowly discharge simultaneously.
The present invention further provides the preparation method of above-mentioned insulation central layer, described method comprises the steps:
(1) batching: by the superfine silicon dioxide powder of described formula, stopping composition, inorganic core material, inorganic fibre, getter, vacuum stablizer drops into mixing machine fully to be mixed;
(2) dry: the compound stirring is dried, and bake out temperature is controlled at 100-120 ℃, in drying course, every 8 minutes, measure the water ratio of mixed once material, until the water ratio of compound reaches below 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made to three banding sacks, or make the three banding sacks with limb;
(4) core material is filling: the mixture of oven dry is dropped in the non-woven fabrics sack of three bandings, then by one side heat-sealing of opening;
(5) Bag Material shakeouts: by the mixture having sealed, integral body is shakeout:
(6) compression moulding, by the packed mixture shakeouing, is put under press together with the non-woven fabrics sack of outside, carries out compressed moulding, obtains being incubated central layer.Further, the preparation method of described insulation central layer, is characterized in that: the drying course of step (2) also can carry out in the process of step (1) simultaneously;
Further, the preparation method of described insulation central layer, is characterized in that: in step (3), non-woven fabrics used is flame-retardant non-woven, and mass area ratio is 35-100g/m
2.
Further, the preparation method of described insulation central layer, is characterized in that: in step (5), packed mixture is by manually shakeouing, or flattens by roll shaft.
Further, the preparation method of described insulation central layer, is characterized in that: in step (6), the lowering speed of press is controlled at 3-7 cm/s, and pressure-controlling is at 20-280T/m
2.
Further, the preparation method of described insulation central layer, is characterized in that: in step (6), compression moulding technique also can be continuously shaped, the belt progressively compression moulding continuously driving by upper and lower several pair of rollers.
Application the inventive method is produced insulation central layer, technique is simple, there is no three waste discharge, the insulation central layer of producing is easily constructed as wall heat insulation material, fire prevention, can be good at playing insulation, heat-blocking action, combustionproperty is A level, and insulation thickness is generally at 10-15mm, and lightweight, the weather-proof time is long, and can reach more than 30 years work-ing life.
Raw material involved in the present invention is the usual commercially available technical pure commodity raw material using of the industry.
The present invention does not relate to specific equipment, and related detection method is industry customary way.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment 1
(1) batching: by superfine silicon dioxide powder 40wt%, stopping composition 45wt%, inorganic core material 10wt%, inorganic fibre 3wt%, getter 0.5wt%, vacuum stablizer 1.5wt% drops into mixing machine fully to be mixed;
(2) dry: the compound stirring is dried, and bake out temperature is controlled at 110 ℃, in drying course, every 8 minutes, measure the water ratio of mixed once material, until the water ratio of compound reaches below 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made to three banding sacks, or make the three banding sacks with limb;
(4) core material is filling: the mixture of oven dry is dropped in the non-woven fabrics sack of three bandings, then by one side heat-sealing of opening;
(5) Bag Material shakeouts: by the mixture having sealed, integral body is shakeout:
(6) compression moulding, by the packed mixture shakeouing, is put under press together with the non-woven fabrics sack of outside, carries out compressed moulding, obtains being incubated central layer
Embodiment 2
(1) batching: by superfine silicon dioxide powder 90wt%, inorganic core material 6.5wt%, inorganic fibre 3wt%,, vacuum stablizer 0.5wt% drops into mixing machine fully to be mixed;
(2) dry: the compound stirring is dried, and bake out temperature is controlled at 120 ℃, in drying course, every 8 minutes, measure the water ratio of mixed once material, until the water ratio of compound reaches below 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made to three banding sacks, or make the three banding sacks with limb;
(4) core material is filling: the mixture of oven dry is dropped in the non-woven fabrics sack of three bandings, then by one side heat-sealing of opening;
(5) Bag Material shakeouts: by the mixture having sealed, integral body is shakeout:
(6) compression moulding, by the packed mixture shakeouing, is put under press together with the non-woven fabrics sack of outside, carries out compressed moulding, obtains being incubated central layer
Embodiment 3
(1) batching: by ultra-fine native silicon dioxide powder 50wt%, stopping composition 20wt%, inorganic core material 10wt%, inorganic fibre 18wt%, getter 1.5wt%, vacuum stablizer 0.5wt% drops into mixing machine fully to be mixed;
(2) dry: the compound stirring is dried, and bake out temperature is controlled at 100 ℃, in drying course, every 8 minutes, measure the water ratio of mixed once material, until the water ratio of compound reaches below 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made to three banding sacks, or make the three banding sacks with limb;
(4) core material is filling: the mixture of oven dry is dropped in the non-woven fabrics sack of three bandings, then by one side heat-sealing of opening;
(5) Bag Material shakeouts: by the mixture having sealed, integral body is shakeout:
(6) compression moulding, by the packed mixture shakeouing, is put under press together with the non-woven fabrics sack of outside, carries out compressed moulding, obtains being incubated central layer
The present invention is incubated core plate applications in wall heat insulation material by gained, and high insulating effect can effectively reduce the energy consumption of its application scenario, has accomplished energy-conserving and environment-protective.
Claims (12)
1. an insulation central layer, is characterized in that: contain superfine silicon dioxide powder 40-90wt%, stopping composition is greater than zero-45wt%, and inorganic core material is greater than zero-20wt%, inorganic fibre 1-18wt%, and getter is greater than zero-3wt%, and vacuum stablizer is greater than zero-3wt%;
Described superfine silicon dioxide powder is one or more the mixture in silica flour, silicon ash, volcanic ash, SILICA FUME, perlite powder, and its tap density is 130-280kg/m
3, specific surface area is 15-29m
2/ g, median size is 0.1-2 micron; Described inorganic fibre is one or more the mixture in glass chopped silk, flame cotton, aluminium silicate wool, ceramic fiber cotton, brucite fiber, foam, and its length is 3-12mm, and Fibre diameter is 0.2-13 micron.
2. according to being incubated central layer described in claim 1, it is characterized in that: described vacuum stablizer is hollow sorbing material, mean inside diameter is 0.1-3 micron.
3. according to being incubated central layer described in claim 1, it is characterized in that: described stopping composition is one or more the mixture in flyash, pearlstone, close hole perlite, glass bead, sawdust, wood chip, crop stalk crushed material, shredded paper bits, glass wool chip, foam, rock wool debris, granules of polystyrene, dry mud, diatomite, super glass wool, centrifugally glass-wool, rock wool.
4. according to being incubated central layer described in claim 1, it is characterized in that: described inorganic core material is one or more mixture of aerogel, aerosil, precipitated silica.
5. according to being incubated central layer described in claim 1, it is characterized in that: described getter is one or more the mixture in gac, barium lithium alloy activator, calcium oxide, magnesium oxide, silica gel.
6. according to being incubated central layer described in claim 1, it is characterized in that: described vacuum stablizer is carborundum or ultra-fine fibre active carbon material or the mixture of the two.
7. according to the preparation method who is incubated central layer described in any one in claim 1-6, it is characterized in that described method comprises the steps:
(1) batching: the ultra-fine native silicon dioxide powder of described formula, stopping composition, inorganic core material, inorganic fibre, getter and vacuum stablizer are dropped into mixing machine and fully mix;
(2) dry: the compound stirring is dried, and bake out temperature is controlled at 100-120 ℃, in drying course, every 8 minutes, measure the water ratio of mixed once material, until the water ratio of compound reaches below 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made to three banding sacks, or make the three banding sacks with limb;
(4) core material is filling: the mixture of oven dry is dropped in the non-woven fabrics sack of three bandings, then by one side heat-sealing of opening;
(5) Bag Material shakeouts: by the mixture having sealed, integral body is shakeout:
(6) compression moulding, by the packed mixture shakeouing, is put under press together with the non-woven fabrics sack of outside, carries out compressed moulding, obtains being incubated central layer.
8. be incubated according to claim 7 the preparation method of central layer, it is characterized in that: the drying course of step (2) carries out in the process of step (1) simultaneously.
9. according to the preparation method who is incubated central layer described in claim 7, it is characterized in that: in step (3), non-woven fabrics used is flame-retardant non-woven, mass area ratio is 35-100g/-m
2.
10. be incubated according to claim 7 the preparation method of central layer, it is characterized in that: in step (5), packed mixture is by manually shakeouing, or flattens by roll shaft.
11. are incubated the preparation method of central layer according to claim 7, it is characterized in that: in step (6), the lowering speed of press is controlled at 3-7 cm/s, and pressure-controlling is at 20-280T/-m
2.
12. are incubated the preparation method of central layer according to claim 7, it is characterized in that: in step (6), compression moulding technique is continuously shaped, by the belt progressively compression moulding continuously of upper and lower several pair of rollers drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187612.7A CN102718450B (en) | 2012-06-08 | 2012-06-08 | Heat insulation core board for walls and method for processing heat insulation core board for walls |
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| CN201210187612.7A CN102718450B (en) | 2012-06-08 | 2012-06-08 | Heat insulation core board for walls and method for processing heat insulation core board for walls |
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| CN102718450A CN102718450A (en) | 2012-10-10 |
| CN102718450B true CN102718450B (en) | 2014-03-19 |
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| CN104234252B (en) * | 2012-11-12 | 2015-08-05 | 青岛科瑞新型环保材料有限公司 | Modified cement granular polystyrene composite vacuum insulation plate and preparation method thereof |
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| CN108943370A (en) * | 2018-06-05 | 2018-12-07 | 长兴贝斯德邦建材科技有限公司 | A kind of production technology of vacuum heat-insulating plate |
| WO2020140327A1 (en) * | 2019-01-02 | 2020-07-09 | 上海圣奎塑业有限公司 | Heat insulation plate raw material composition, heat insulation plate, and production process for heat insulation plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101691899B (en) * | 2009-10-01 | 2011-12-14 | 福建赛特新材股份有限公司 | Composite core material vacuum insulation panel and preparation method thereof |
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Address after: 266112 Chengyang District, Qingdao, Shandong Province, Wangjiazhuang Street Community Neighborhood Committee North 500 meters. Patentee after: Qingdao Kerui new environmental protection materials Group Co. Ltd. Address before: 266112 Chengyang District, Qingdao, Shandong Province, Wangjiazhuang Street Community Neighborhood Committee North 500 meters. Patentee before: Qingdao Creek New Environmental Materials Co., Ltd. |
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Denomination of invention: Heat insulation core board for walls and method for processing heat insulation core board for walls Effective date of registration: 20180930 Granted publication date: 20140319 Pledgee: Qingdao City Investment International Trading Co., Ltd. Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2018370010108 |