CN202733337U - Glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) - Google Patents
Glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) Download PDFInfo
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- CN202733337U CN202733337U CN 201220315875 CN201220315875U CN202733337U CN 202733337 U CN202733337 U CN 202733337U CN 201220315875 CN201220315875 CN 201220315875 CN 201220315875 U CN201220315875 U CN 201220315875U CN 202733337 U CN202733337 U CN 202733337U
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- insulating layer
- thermal
- protective coating
- core material
- mineral wool
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Abstract
The utility model discloses a glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) which comprises a core material and a vacuum protection layer, wherein the vacuum protection layer is sealed on the outer part of the core material; the core material is formed by compounding an upper heat-insulating layer, a lower heat-insulating layer and an intermediate heat-insulating layer; the intermediate heat-insulating layer is positioned between the upper heat-insulating layer and the lower heat-insulating layer; the upper heat-insulating layer and the lower heat-insulating layer are glass fiber partition boards with the thicknesses of 1-5 millimeters; the intermediate heat-insulating layer is a mineral wool board with the thickness of 5-40 millimeters; and the vacuum protection layer is an aluminum foil glass fiber bag. The prepared glass fiber partition board and mineral wool board composite-core material VIP disclosed by the utility model has the advantages of low heat conductivity coefficient, high compressive strength and more easiness for combination with a wall surface.
Description
Technical field
The utility model relates to VIP plate technique field, is specifically related to a kind of glass fibre separator and mineral cotton plate composite core material VIP plate.
Background technique
Vacuum heat-insulating plate (Vacuum Insulated Panel, VIP) be a kind of novel, efficient thermal insulating material, be mainly used in insulation thermal insulation, fire protection flame retarding, such as refrigerator, deep cooling refrigerator-freezer, Medical cabinet, boat-carrying engineering freezer, mine-disaster rescue capsule, external wall, heat insulating inner wall etc.It is based on the vacuum insulation principle, is comprised of the trapping film of core thermal-protective material and sealing, fills core and vacuum protection top layer tightly compound, the heat transmission that can effectively avoid cross-ventilation to cause, and the thermal conductivity decrease, thus reach excellent heat insulation effect.Core is one of core technology of VIP, except requiring to have the support structure effect, having the low thermal conductivity, at the aspects such as pretreatment of percent opening, perforate aperture, core venting and core requirement is arranged also.Existing VIP plate (vacuum heat-insulating plate) core all uses homogenous material to make, for example glass fibre cotton, phenolic aldehyde, polyurethane or silica flour.Each material has its pluses and minuses.The single glass fiber expands after doing core inefficacy (gas leakage), easily bursts metope; Phenolic aldehyde, polyurethanes belong to organic insulation material can only rely on fire retardant fire prevention, but fire retardant is through long-time weathering with decompose its flame retardant property and also reduce, and organic products is easily aging; The silica flour powder that lost efficacy after (gas leakage) can drop and makes warming plate top form the cavity to form and freeze wall without the thermal insulating material area, and the bottom is because the tenesmus of powder is burst metope formation potential safety hazard so that heave the bottom.
The model utility content
The purpose of this utility model is to overcome the deficiency that existing VIP plate exists, and a kind of glass fibre separator and mineral cotton plate composite core material VIP plate are provided.Prepared its thermal conductivity of composite core material VIP plate is low, and compressive strength is large, and is easier to the combination with metope.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of glass fibre separator and mineral cotton plate composite core material VIP plate, this VIP plate comprises core and vacuum protection layer, the vacuum protection layer is sealed in the core outside; Wherein, described core is composited by top thermal-protective coating, bottom thermal-protective coating and intermediate thermal insulating layer, and intermediate thermal insulating layer is between top thermal-protective coating and bottom thermal-protective coating; Described top thermal-protective coating and bottom thermal-protective coating are the glass fibre separator (AGM dividing plate) of thickness 1 ~ 5mm, and described intermediate thermal insulating layer is the mineral cotton plate of thickness 5 ~ 40mm, and described vacuum protection layer is the aluminium foil glass fiber bag; Vacuum protection layer internal vacuum is 5 * 10
-3~ 1 * 10
-1Pa.
Described top thermal-protective coating, intermediate thermal insulating layer are identical with bottom thermal-protective coating shape, and intermediate thermal insulating layer equates with bottom thermal-protective coating area, and top thermal-protective coating area is 1.1 ~ 1.3 times of bottom thermal-protective coating area.
Described its thermal conductivity of VIP plate is 0.012w/ (m.k).
The preparation method of above-mentioned glass fibre separator (AGM dividing plate) and mineral cotton plate composite core material VIP plate comprises the steps:
1) mineral wool is put into container and added water stirring 40 minutes, cotton is separated with the slag ball, the slag ball is sunken to container bottom, pulls mineral wool out.
2) mineral wool after step 1) is processed is decomposed into granular with tablet machine; then with granular mineral wool, adhesive, water-proofing agent, paper pulp and perlite according to mineral wool: the part by weight of adhesive: water-proofing agent: paper pulp: perlite=87.8:1:0.2:2:10 mixes and also stirs into slip; slip becomes thickness 5 ~ 40mm blank through drainage, vacuum dehydration, extruding, by required area cutting post-drying the mineral wool substrate.
The baking box oven dry of 3) mineral wool substrate and the glass fibre separator (AGM dividing plate) of required area being put into 260 ℃ 2 hours obtains mineral cotton plate and glass fibre separator as core.
4) will place vacuum processing chamber to vacuumize as the mineral cotton plate of core and the glass fibre separator aluminium foil glass fiber bag of packing into, when degree of vacuum reaches required numerical value, seal, obtain the VIP plate.
Described adhesive is starch, and described water-proofing agent is the paraffin wax emulsions of mass content 50%.
The utility model beneficial effect is as follows:
1, the core of the utility model VIP plate adopts glass fibre separator and mineral cotton plate to be composited, mineral wool is the short fibre material, and glass fibre separator is the long fibre material, and both compound its conjugations are higher, and its compressive strength is higher than the single cores such as glass-fiber-plate simultaneously.
2, the glass fibre separator that core is selected in the utility model (AGM dividing plate) is to be processed through special process by ultra-fine fibre glass, keeping the solid advantageous while of glass fibre, having also that percent opening high (more than 95%), aperture are little, the purity high.Related experiment result shows, under the certain vacuum condition, the core thermal conductivity obviously descends with the rising of core percent opening, and the thermal conductivity of vacuum heat-insulating plate increases along with the increase in aperture, when the core aperture was larger, every thermal conductivity of gas must increase in the hole; And when temperature was higher, it is more that the aperture increases the convection current and the radiative heat transfer increase that cause, thereby cause apparent thermal conductivity to increase.So selecting of glass fibre separator gives vacuum heat-insulating plate of the present invention good insulating energy-saving performance, heat-insulating property and the working life thereof of greatly improving the VIP plate.
3, as main material, mineral wool is made mineral cotton plate to the used mineral cotton plate of the utility model after washing and the processing such as compression and moulding with the high-quality mineral wool, has improved that used mineral wool core easily falls the drawbacks such as slag contaminated vacuum system in the prior art in pumping process.Again because mineral cotton plate is to be made through compression and moulding by mineral wool, so its surfacing, be conducive to the combination with metope.In addition, prepared mineral cotton plate also is the part open-cell material, and core selects the high material of percent opening can be so that prepared VIP stability is good.
4, the utility model uses composite fiber and reticular structure basic unit, has greatly improved shock resistance, non-deformability.Its thermal conductivity of the VIP plate 0.012w/ (m.k) that makes with glass fibre separator and mineral cotton plate composite core material; it is main material fireproof performance good (fire prevention of A level) that VIP plate of the present invention adopts inorganic material; top thermal-protective coating area is slightly larger than bottom thermal-protective coating area; can better protect vacuum layer, prevent that the sheet material corner from scratching.
5, the utility model uses glass fibre separator and mineral cotton plate composite core material VIP plate, and production board is inorganic material more than 95%, and inorganic material has incombustibility; Can not occur expansion and tenesmus behind the product failure (gas leakage) and burst the metope problem, improve quality of product.
6, the utility model has improved pack Speed Reduction cost of production in technique, enhances productivity, and is conducive to industrialization production.
Description of drawings
Fig. 1 is the generalized section of the utility model VIP plate; Wherein: 1-vacuum protection layer; 2-top thermal-protective coating; The 3-intermediate thermal insulating layer; 4-bottom thermal-protective coating.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.Glass fibre separator is provided by Zhejiang Shang De Energy Science Co., Ltd (model AGM) and At Meishan, changxing, zhejiang Province China power glass fibre separator Co., Ltd (model hl) among the embodiment; Mineral wool raw materials hopes star mineral cotton plate industry Co., Ltd provide by Shijiazhuang.
As shown in Figure 1, the utility model VIP plate comprises core and vacuum protection layer 1, and vacuum protection layer 1 is sealed in the core outside; Wherein, described core is composited by top thermal-protective coating 2, bottom thermal-protective coating 4 and intermediate thermal insulating layer 3, and intermediate thermal insulating layer 3 is between top thermal-protective coating 2 and bottom thermal-protective coating 4; Described top thermal-protective coating 2 and bottom thermal-protective coating 4 are the glass fibre separator of thickness 1 ~ 5mm, and described intermediate thermal insulating layer 3 is the mineral cotton plate of thickness 5 ~ 40mm, and described vacuum protection layer 1 is the aluminium foil glass fiber bag; Vacuum protection layer 1 internal vacuum is 5 * 10
-3~ 1 * 10
-1Pa.
Described top thermal-protective coating 2, intermediate thermal insulating layer 3 are identical with bottom thermal-protective coating 4 shapes, and intermediate thermal insulating layer 3 equates with bottom thermal-protective coating 4 areas, and thermal-protective coating 2 areas in top are 1.1 ~ 1.3 times of bottom thermal-protective coating 4 areas.
Embodiment 1
The preparation method of the utility model VIP plate comprises the steps:
1) mineral wool is put into container and added water stirring 40 minutes, cotton is separated with the slag ball, the slag ball is sunken to container bottom, pulls mineral wool out.
2) mineral wool after step 1) is processed is decomposed into granular with tablet machine; then with granular mineral wool, adhesive, water-proofing agent, paper pulp and perlite according to mineral wool: the part by weight of adhesive: water-proofing agent: paper pulp: perlite=87.8:1:0.2:2:10 mixes and also stirs into slip; slip becomes thickness 5 ~ 40mm blank through drainage, vacuum dehydration, extruding, by required area cutting post-drying the mineral wool substrate.
The baking box oven dry of 3) mineral wool substrate and the glass fibre separator of required size being put into 260 ℃ two hours, the mineral cotton plate that dried by the fire and glass fibre separator are core.
4) the core aluminium foil glass fiber bag of packing into places vacuum processing chamber to vacuumize, to degree of vacuum be 5 * 10
-3Pa ~ 1 * 10
-1Mix up in advance cylinder pressure and the sealing time of vacuum sealer when sealing by employed package bag under the Pa vacuum state; When the degree of vacuum of vacuum chamber reaches needed numerical value, seal;
5) vacuum chamber is put into atmosphere, puts standard atmosphere and depresses, and opens vacuum chamber, takes out the VIP plate.
Can detect it after taking out the VIP plate, concrete detecting method is as follows:
1) uses instrument to detect, record data.
2) debugging: order is opened the switch of main switch, low-temperature receiver, thermal source, water pump and the intelligent measuring instrument of corresponding instrument successively in accordance with regulations, and observes normal operation;
3) calibration: open main body (main body partly is comprised of hot plate, cold drawing and heat flow meter etc.) the standard verifying plate is put between the cold-hot plate, compress with hold down gag, regulate again the intelligent measuring instrument, input standard verifying plate thickness (unit is mm), until the cold-hot plate temperature reach its intelligent measuring instrument Apparent thermal conductivity of requirement temperature and reference value differ into≤± 5% after, then calibrate completely, can detect other VIP plate.Prepared its thermal conductivity of VIP plate of the present embodiment is 0.012w/ (m.k), because its composite core material all is open-cell material, glass fibre separator particularly, its percent opening reaches more than 95, therefore the VIP plate is tested its thermal conductivity through said method in the situation and is remained unchanged preserving half a year, be combined well with metope in the product using process, the permanent use without problems such as expansions occurs.
Claims (3)
1. a glass fibre separator and mineral cotton plate composite core material VIP plate, this VIP plate comprises core and vacuum protection layer, the vacuum protection layer is sealed in the core outside, it is characterized in that: described core is composited by top thermal-protective coating, bottom thermal-protective coating and intermediate thermal insulating layer, and intermediate thermal insulating layer is between top thermal-protective coating and bottom thermal-protective coating; Described top thermal-protective coating and bottom thermal-protective coating are the glass fibre separator of thickness 1 ~ 5mm, and described intermediate thermal insulating layer is the mineral cotton plate of thickness 5 ~ 40mm, and described vacuum protection layer is the aluminium foil glass fiber bag.
2. composite core material VIP plate according to claim 1, it is characterized in that: described vacuum protection layer internal vacuum is 5 * 10
-3~ 1 * 10
-1Pa.
3. composite core material VIP plate according to claim 1, it is characterized in that: described top thermal-protective coating, intermediate thermal insulating layer are identical with bottom thermal-protective coating shape, intermediate thermal insulating layer equates with bottom thermal-protective coating area, and top thermal-protective coating area is 1.1 ~ 1.3 times of bottom thermal-protective coating area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315875 CN202733337U (en) | 2012-06-29 | 2012-06-29 | Glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315875 CN202733337U (en) | 2012-06-29 | 2012-06-29 | Glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733337U true CN202733337U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220315875 Expired - Fee Related CN202733337U (en) | 2012-06-29 | 2012-06-29 | Glass fiber partition board and mineral wool board composite-core material VIP (Vacuum Insulated Panel) |
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| Country | Link |
|---|---|
| CN (1) | CN202733337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511796A (en) * | 2012-06-29 | 2014-01-15 | 辽宁科途环保节能材料有限公司 | Glass fiber partition board and mineral wool board composite core material VIP board and manufacturing method of glass fiber partition board and mineral wool board composite core material VIP board |
| CN107698272A (en) * | 2017-11-03 | 2018-02-16 | 辽宁科途环保节能材料有限公司 | A kind of vacuum heat-insulating plate composite core material and preparation method thereof |
-
2012
- 2012-06-29 CN CN 201220315875 patent/CN202733337U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511796A (en) * | 2012-06-29 | 2014-01-15 | 辽宁科途环保节能材料有限公司 | Glass fiber partition board and mineral wool board composite core material VIP board and manufacturing method of glass fiber partition board and mineral wool board composite core material VIP board |
| CN103511796B (en) * | 2012-06-29 | 2015-09-02 | 辽宁科途环保节能材料有限公司 | A kind of glass fibre separator and mineral cotton plate composite core material VIP plate and preparation method thereof |
| CN107698272A (en) * | 2017-11-03 | 2018-02-16 | 辽宁科途环保节能材料有限公司 | A kind of vacuum heat-insulating plate composite core material and preparation method thereof |
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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: 20130213 Termination date: 20180629 |