CN203131331U - Vacuum heat insulation board - Google Patents
Vacuum heat insulation board Download PDFInfo
- Publication number
- CN203131331U CN203131331U CN 201320068482 CN201320068482U CN203131331U CN 203131331 U CN203131331 U CN 203131331U CN 201320068482 CN201320068482 CN 201320068482 CN 201320068482 U CN201320068482 U CN 201320068482U CN 203131331 U CN203131331 U CN 203131331U
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- Prior art keywords
- heat insulation
- vacuum heat
- basalt fibre
- core material
- heat
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Abstract
The utility model discloses a vacuum heat insulation board used for building external walls. The vacuum heat insulation board comprises a high resistance thin film bag and heat preservation core materials wrapped in the high resistance thin film bag, wherein the heat preservation core materials comprise basalt fibers. The vacuum heat insulation board is simple in structure, low in cost, energy-saving, environment-friendly, safe, fireproof and good in heat preservation performance. The vacuum heat insulation board solves the problems of bag expanding, air leakage, core material decay, and durability of the vacuum degree of a traditional vacuum heat insulation board and meanwhile overcomes the defect that manufacturing of boards through powdery materials of silica and the like and the fibers in a composite filling mode is difficult, and a preparation method is simple, easy to operate, time-saving and labor-saving.
Description
Technical field
The utility model relates to a kind of warming plate, particularly relates to a kind of vacuum heat-insulating plate for external wall.
Background technique
The main heat-insulation system that adopts inorganic material such as organic board such as styrofoam, extrusion molding benzene plate, hard polyurethane foam plate, phenolic board and rock wool, foam cement, foamed glass in the existing outer wall heat preservation system, there is certain defective in these systems, for example the frpf thermal insulation property is poor, and the fire prevention of insulation is poor.At present, a kind of vacuum insulation plate technique has obtained application, and this technology mainly partly is made up of choke film, blocking materials, getter, makes by vacuumizing, but the defectives such as endurance difference of bag, gas leakage, core decay, degree of vacuum because easily rise, its application is restricted.Some has a small amount of permeable gas leak phenomenon generation to the choke film in producing and using for a long time, and traditional core can slowly expand at this moment, influences heat insulation effect, thus must add getter, but effect is still not good after adding getter.On the packing material surface infrared reflecting layer need be set, its objective is the approach of blocking the thermal radiation heat radiation internally, thereby make its heat-insulating property better, preparation method's complexity, the cost height is wasted time and energy.
The model utility content
The technical problems to be solved in the utility model is the bag that rises, gas leakage, the core decay of vacuum heat-insulating plate, the persistent problem of degree of vacuum, overcomes pulverulent materials such as adopting silica simultaneously and fills the defective of making sheet difficulty with fiber composite.
The utility model provide a kind of simple in structure, cost is low, energy-conserving and environment-protective, safety, fire prevention, good heat insulating and the easy vacuum heat-insulating plate of preparation method.
The utility model provides a kind of vacuum heat-insulating plate, comprise outer field high-isolation film bag and inner heat insulation core material, described high-isolation film bag tightly is wrapped in described heat insulation core material wherein, and described heat insulation core material is basalt fibre, and the thickness of described heat insulation core material is 10～80mm.
Vacuum heat-insulating plate described in the utility model, the fiber diameter of wherein said basalt fibre≤9 μ m, length is 1～100mm.
Vacuum heat-insulating plate described in the utility model, basalt fibre felt or the compacting of basalt fibre plate that wherein said heat insulation core material is made by described basalt fibre form.
Vacuum heat-insulating plate described in the utility model, the thickness of wherein said basalt fibre felt or wad is 5～30mm.
Vacuum heat-insulating plate described in the utility model, wherein said high-isolation film bag are aluminium foil fiber composite vacuum heat-insulation bag, and thickness is 3-12 μ m.
The utility model vacuum heat-insulating plate difference from prior art is that vacuum heat-insulating plate described in the utility model comprises high-isolation film bag and the heat insulation core material that is wrapped in wherein, and described heat insulation core material comprises basalt fibre, and basalt fibre is by SiO
2(chemical stability and the mechanical strength that keep fiber), AL
2O
3(raising thermostability), CaO(improve corrosion resistance), TiO
2(improve waterproof and corrosion resistance) formed, and itself has that heat-resisting quantity is good, anti-oxidant, radioresistance, adiabatic sound insulation, good, the incompressible intensity of filterability and shear strength height, excellent properties such as is adapted to use under the various environment; Basalt fibre has unique not stratified crisscross reticular structure, anti-pulling intensity height, high insulating effect; That basalt fibre has is energy-efficient, fire prevention, security of system advantages of higher.
The utility model adopts vacuum structure, blocked its heat transfer path, thereby reach the purpose of insulation, if adopt other any materials, because it is medium, the effect that heat transfer is arranged all the time, have only when thickness reaches certain value, just can reach our desired thermal insulation property, adopt vacuum then to solve this problem, so adopt vacuum heat-preserving to greatly reduce the thickness of thermal insulating material, thereby saved material and space and reach the excellent thermal insulation performance of purpose of energy saving, core basalt fibre, thermal conductivity is about 0.036.
Vacuum heat-insulating plate described in the utility model is simple in structure, and preparation is easy and cost is low, time saving and energy saving, has solved the defective of making sheet difficulties such as silica, glass fibre; Traditional heat insulation core material generally all adds adsorbent within it with the permanence of retainer degree of vacuum, and heat insulation core material of the present utility model adopts the stability of basalt fibre and the feature of low water absorption, and the bag that rises, gas leakage, the core that has solved the traditional vacuum thermal shield under the prerequisite that does not add getter decays, the problems such as endurance difference of degree of vacuum; Traditional heat insulation core material need arrange infrared reflecting layer on the packing material surface, its objective is the approach of blocking the thermal radiation heat radiation internally, thereby make its heat-insulating property better, and the employing of this product is basalt fibre, itself has radiation-resistant performance, the aluminium foil fiber composite vacuum heat-insulation bag of Cai Yonging also has the function of antiradiation simultaneously, so do not need additionally to add infrared reflecting layer again.
Below in conjunction with concrete drawings and Examples vacuum heat-insulating plate of the present utility model is described further.
Description of drawings
Fig. 1 is the structural representation of vacuum heat-insulating plate described in the utility model.
Embodiment
As shown in Figure 1, vacuum heat-insulating plate described in the utility model comprises high-isolation film bag and heat insulation core material 1, and described high-isolation film bag is preferably aluminium foil fiber composite vacuum heat-insulation bag 2, and effect was best when thickness was 3-12 μ m.Described heat insulation core material 1 comprises basalt fibre, basalt fibre has unique not stratified crisscross reticular structure, anti-pulling intensity height, heat insulation effect does not need to add in addition getter, and some has a spot of air and moisture enters to the choke film in long-term the use, other heat insulation core materials 1 can slowly expand, influenced heat insulation effect, thus getter must be added, but effect is still not good.The basalt fibre that the utility model adopts is because of its unique The Nomenclature Composition and Structure of Complexes, above-mentioned phenomenon can not take place, solve the bag that rises, gas leakage, the core decay of traditional vacuum thermal shield, the problems such as endurance difference of degree of vacuum, had energy-efficient, fire prevention, security of system advantages of higher.
A kind of vacuum heat-insulating plate, comprise aluminium foil fiber composite vacuum heat-insulation bag 2 and the heat insulation core material 1 that is wrapped in wherein, described heat insulation core material 1 comprises basalt fibre, fiber diameter 8～9 μ m of described basalt fibre, and length is 90～100mm, water content is 1%, size content is 0.2%, and serviceability temperature is between-260～650 ℃, and described heat insulation core material 1 thickness is 10mm, unit weight is 50kg/ ㎡, and described aluminium foil fiber composite vacuum heat-insulation bag 2 thickness are 3 μ m.
A kind of vacuum heat-insulating plate, comprise aluminium foil fiber composite vacuum heat-insulation bag 2 and the heat insulation core material 1 that is wrapped in wherein, described insulation core 1 material comprises basalt fibre, fiber diameter 7～8 μ m of described basalt fibre, length is 70～80mm, water content is 0.9%, and size content is 0.1%, and serviceability temperature is between-260～650 ℃; The basalt fibre felt that described heat insulation core material 1 is made for described basalt fibre, thickness are 30mm, and unit weight is 20kg/ ㎡; Described heat insulation core material 1 thickness is 60mm, and unit weight is 200kg/ ㎡, and described aluminium foil fiber composite vacuum heat-insulation bag 2 thickness are 12 μ m.
A kind of vacuum heat-insulating plate, comprise aluminium foil fiber composite vacuum heat-insulation bag 2 and the heat insulation core material 1 that is wrapped in wherein, described heat insulation core material 1 comprises basalt fibre, fiber diameter 5～6 μ m of described basalt fibre, length is 55～75mm, water content is 0.5%, and size content is 0.15%, and serviceability temperature is between-260～650 ℃; The basalt fibre plate that described heat insulation core material 1 is made for described basalt fibre, thickness are 20mm, and unit weight is 15kg/ ㎡; Described heat insulation core material 1 thickness is 80mm, and unit weight is 250kg/ ㎡, and described aluminium foil fiber composite vacuum heat-insulation bag 2 thickness are 10 μ m.
Embodiment 4
A kind of vacuum heat-insulating plate, comprise aluminium foil fiber composite vacuum heat-insulation bag 2 and the heat insulation core material 1 that is wrapped in wherein, described heat insulation core material 1 comprises basalt fibre, fiber diameter 3～4 μ m of described basalt fibre, length is 20～30mm, water content is 0.4%, and size content is 0.05%, and serviceability temperature is between-260～650 ℃; The basalt fibre felt that described heat insulation core material 1 is made for described basalt fibre, thickness are 15mm, and unit weight is 11kg/ ㎡; Described heat insulation core material 1 thickness is 45mm, and unit weight is 180kg/ ㎡, and described aluminium foil fiber composite vacuum heat-insulation bag 2 thickness are 5 μ m.
Embodiment 5
A kind of vacuum heat-insulating plate, comprise aluminium foil fiber composite vacuum heat-insulation bag 2 and the heat insulation core material 1 that is wrapped in wherein, described heat insulation core material 1 comprises basalt fibre, fiber diameter 1～5 μ m of described basalt fibre, length is 1～10mm, water content is 0.6%, and size content is 0.16%, and serviceability temperature is between-260～650 ℃; The basalt fibre plate that described heat insulation core material 1 is made for described basalt fibre, thickness are 10mm, and unit weight is 8kg/ ㎡; Described heat insulation core material 1 thickness is 30mm, and unit weight is 100kg/ ㎡, and described aluminium foil fiber composite vacuum heat-insulation bag 2 thickness are 8 μ m.
The preparation method of vacuum heat-insulating plate described in the utility model comprises the steps:
(1) selection of basalt fibre or basalt fibre felt or basalt fibre plate and cutting out;
(2) with basalt fibre or basalt fibre felt or the compression moulding on trigger squeeze of basalt fibre plate, obtain heat insulation core material, the compression strength in the described compression moulding process is 200-250kPa, and the heat insulation core material unit weight after the compression moulding is 50～250kg/ ㎡;
(3) adopt vacuum drier to dry, degree of vacuum below 1000Pa, and the endurance must not be less than 10 minutes;
(4) heat insulation core material after will drying is packed in the high-isolation film bag, utilizes the vacuum unit to extract air in the described high-isolation film bag, seals, and namely gets product; Described packaging method is specially: care should be used to is packed in order to avoid destroy its integrity, earlier the basalt fibre of oven dry is packed into and install between the interlayer of two films of described high-isolation film bag, seal at hot sealing part 3, heat-sealing three limits vacuumize the last one side of post heat-seal at last earlier; Degree of vacuum less than the condition of 1Pa under and keep sealing more than 10 minutes, heat-sealing temperature is 100～190 ℃, the heat-sealing time is 2s～20s, heat-sealing pressure is 1kg/cm
2～7kg/cm
2
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (5)
1. vacuum heat-insulating plate, it is characterized in that: comprise outer field high-isolation film bag and inner heat insulation core material, described high-isolation film bag tightly is wrapped in described heat insulation core material wherein, and described heat insulation core material is basalt fibre, and the thickness of described heat insulation core material is 10～80mm.
2. vacuum heat-insulating plate according to claim 1, it is characterized in that: the fiber diameter of described basalt fibre≤9 μ m, length is 1～100mm.
3. vacuum heat-insulating plate according to claim 1 and 2 is characterized in that: basalt fibre felt or the compacting of basalt fibre plate that described heat insulation core material is made by described basalt fibre form.
4. vacuum heat-insulating plate according to claim 3, it is characterized in that: the thickness of described basalt fibre felt or wad is 5～30mm.
5. vacuum heat-insulating plate according to claim 4, it is characterized in that: described high-isolation film bag is aluminium foil fiber composite vacuum heat-insulation bag, and thickness is 3-12 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068482 CN203131331U (en) | 2013-02-05 | 2013-02-05 | Vacuum heat insulation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068482 CN203131331U (en) | 2013-02-05 | 2013-02-05 | Vacuum heat insulation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131331U true CN203131331U (en) | 2013-08-14 |
Family
ID=48939309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068482 Expired - Fee Related CN203131331U (en) | 2013-02-05 | 2013-02-05 | Vacuum heat insulation board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131331U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090157A (en) * | 2013-02-05 | 2013-05-08 | 山东华德隆建材科技有限公司 | Vacuum heat insulation plate and preparation method thereof |
| CN105987256A (en) * | 2015-02-11 | 2016-10-05 | 福建赛特新材股份有限公司 | Vacuum heat insulation plate low in edge heat bridge effect and long in life and manufacturing method thereof |
| CN108797819A (en) * | 2017-05-06 | 2018-11-13 | 张荐 | A kind of isolation complex and preparation method thereof |
| CN109853762A (en) * | 2019-03-26 | 2019-06-07 | 广州市建筑科学研究院有限公司 | A kind of pressure control thermal insulation thermal insulation board and its connecting elements and fabricated construction |
-
2013
- 2013-02-05 CN CN 201320068482 patent/CN203131331U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090157A (en) * | 2013-02-05 | 2013-05-08 | 山东华德隆建材科技有限公司 | Vacuum heat insulation plate and preparation method thereof |
| CN103090157B (en) * | 2013-02-05 | 2015-08-19 | 山东华德隆建材科技有限公司 | A kind of vacuum heat-insulating plate and preparation method thereof |
| CN105987256A (en) * | 2015-02-11 | 2016-10-05 | 福建赛特新材股份有限公司 | Vacuum heat insulation plate low in edge heat bridge effect and long in life and manufacturing method thereof |
| CN108797819A (en) * | 2017-05-06 | 2018-11-13 | 张荐 | A kind of isolation complex and preparation method thereof |
| CN109853762A (en) * | 2019-03-26 | 2019-06-07 | 广州市建筑科学研究院有限公司 | A kind of pressure control thermal insulation thermal insulation board and its connecting elements and fabricated construction |
| CN109853762B (en) * | 2019-03-26 | 2024-04-26 | 广州市建筑科学研究院有限公司 | Pressure-control heat-insulation board, connecting member thereof and assembly type structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20210205 |