CN202852336U - A vacuum insulated panel core material with a microstructure similar to that of a bird nest - Google Patents
A vacuum insulated panel core material with a microstructure similar to that of a bird nest Download PDFInfo
- Publication number
- CN202852336U CN202852336U CN 201220194060 CN201220194060U CN202852336U CN 202852336 U CN202852336 U CN 202852336U CN 201220194060 CN201220194060 CN 201220194060 CN 201220194060 U CN201220194060 U CN 201220194060U CN 202852336 U CN202852336 U CN 202852336U
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- Prior art keywords
- core
- nest
- core material
- bird
- cotton
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- 239000011162 core material Substances 0.000 title claims abstract description 63
- 235000005770 birds nest Nutrition 0.000 title claims abstract description 20
- 235000005765 wild carrot Nutrition 0.000 title claims abstract description 20
- 229920000742 Cotton Polymers 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 23
- 244000000626 Daucus carota Species 0.000 claims description 17
- 239000011491 glass wool Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 16
- 229920003023 plastic Polymers 0.000 abstract description 16
- 239000002131 composite material Substances 0.000 abstract description 5
- 210000003296 saliva Anatomy 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 3
- 235000001968 nicotinic acid Nutrition 0.000 abstract description 2
- 239000011325 microbead Substances 0.000 abstract 3
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 241001640034 Heteropterys Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model discloses a vacuum insulated panel core material with a microstructure similar to that of a bird nest. The core material consists of inorganic cellucotton and micro-holes surrounded by the inorganic cellucotton, is a heat insulation material, and can be used as the vacuum insulated panel core material. Based on the principle of bionics, plastic micro-beads serve as nest cores, glass cotton silk serves as branches, inorganic glue serves as bird saliva and is used for fixing butt joint positions of the cotton silk, the inorganic cellucotton is uniformly wound on the surfaces of the plastic micro-beads with low density and holes formed after decomposition of the micro-beads are regarded as nest holes existing among the branches of a bird nest, so that the composite vacuum insulated panel core material characterized by structural stability, high uniformity of fiber web, low resilience rate and the bird nest-simulating microstructure is prepared.
Description
Technical field
The utility model relates to thermoinsulation material and manufacture method thereof, particularly the core material of vacuum heat insulation plate of the imitative Bird's Nest of a kind of microstructure.
Background technique
Vacuum heat-insulating plate is based on the vacuum insulation principle, realize thermal insulation by improving to greatest extent in the plate degree of vacuum and filling porous low thermal conductivity material, be widely used in the aspects such as refrigerator, refrigerator-freezer, Refrigerated container, construction wall insulation, become the minimum material of present thermal conductivity.Core is the support in the vacuum heat-insulating plate, has the characteristics such as porosity ratio height, thermal conductivity be low, is the core texture of vacuum heat-insulating plate.Therefore the quality of core quality has become one of deciding factor of vacuum heat-insulating plate thermal insulation property.
Publication number is to disclose a kind of composite core material vacuum heat insulation plate and preparation method thereof on the patent of invention of CN101691899A.This is invented described composite core material and adopts hard phenolic foam powder or urethane foam powder to mix with inorfil, and prepared vacuum heat-insulating plate is lighter than the vacuum heat-insulating plate quality with pure inorfil preparation, price is low.
Publication number is the vacuum heat-insulating plate that discloses a kind of core, its preparation method on the patent of invention of CN102080755A and adopted this core.This invents described core is in super glass wool and centrifugal cotton, the mineral cotton one or both, and prepared core and the cost of production of vacuum heat-insulating plate are lower.
Publication number is to disclose a kind of core material of vacuum heat insulation plate and preparation method thereof on the patent of invention of CN102330871A.This patent adopts glass fibre cotton that glass fibre cotton that 30% centrifuge method produces and 70% flame method produce as the core material of vacuum heat insulation plate raw material, produces thermal conductivity at the core material of vacuum heat insulation plate of 0.0025-0.004W/ (mK).
Publication number is to disclose a kind of vacuum insulated panel produced from superfine glass wool with wet process and production method thereof on the patent of invention of CN102062277A.The described super glass wool diameter of this patent is 1 μ m～5 μ m, and be more than 15 years the vacuum heat-insulating plate service life that makes, and thermal conductivity is 0.0018～0.0028W/ (mK).
Yet appeal these core material of vacuum heat insulation plate in forming process, the distribution of raw material does not have specific rule and very difficult manual control, this is so that the overlap joint deficient in stability between the fiber, formed core material structure has affected structure stability and the heat-insulating property of vacuum insulation slab integral also more at random.Therefore the novel core of vacuum heat-insulating plate for preparing advantages such as having structural stability, glass wool evenly distributes, heat-insulating property is excellent simultaneously, rebound degree is low, stability good, environmental protection and energy saving is good becomes current main flow.
Birds are woven into a spherical nest with branch fiber, grass blade or withe between the high treetop withe wooden fork of height, and use saliva or earth and carry out bondingly, have built the Bird's Nest with network-like framework.This special structure so that Bird's Nest external force when stressed is distributed to everywhere uniformly, no matter violent storm, gone through several spring, summer, autumn and winter and is not burst, and as seen its structure is highly stable and cold-proof performance is good.
The utility model is from bionics principle, the nuclear take the plastics microballon as nest, with the imitative branch of glass staple, with the imitative bird saliva of inorganic glue, the staple overlapped points is fixed, make the inorfil cotton in plastics bead surface low density uniform winding, and institute's hole that formed is imitated the nest nest that is present between the Bird's Nest branch after decomposing with microballon, prepared the composite core material of a kind of structural stability, fibre net homogeneity is good, rebound degree the is low similar Bird's Nest of microstructure.
The model utility content
The purpose of this utility model is intended to overcome the deficiencies in the prior art, providing a kind of examines take the plastics microballon as nest, with the imitative branch of glass staple, with the imitative bird saliva of inorganic glue, institute's hole that formed is imitated the nest nest that is present between the Bird's Nest branch after decomposing with microballon, has prepared the composite vacuum insulation plate core of a kind of structural stability, fibre net homogeneity is good, rebound degree the is low similar Bird's Nest of microstructure.
For realizing that the technological scheme that the purpose of this utility model adopts is: the core material of vacuum heat insulation plate that the imitative Bird's Nest of a kind of microstructure is provided, it is characterized in that the aperture that this core is cotton by inorfil and the inorfil cotton centers on forms, be a kind of thermal-protective material, can be used as core material of vacuum heat insulation plate.
Described core is characterized in that the inorfil cotton in the core is glass wool or glass fibre or rock wool or basalt fibre, perhaps two or more fiber combinations.
Described core is characterized in that aperture is approximately spherical in the core, and diameter is 50 μ m～500 μ m, and the density in hole is to contain 1000～1000000 in hole in every cubic centimetre of core.
Described core is characterized in that there is inorganic glue in lap-joint between the inorfil, and the inorganic glue composition is silica or sodium silicate.
The invention also discloses a kind of method for preparing above-mentioned core material of vacuum heat insulation plate, it is characterized in that comprising the step of following order:
(1) gets the inorfil cotton, add and send into the dilution of with slurry pond, diluted concentration to 0.1%～0.5% after water stirs;
(2) will dilute good cotton pulp liquid and send in the binder with slurry pond of being furnished with certain concentration, binder is Ludox or water glass, and wherein binder weight accounts for water weight 0.5%～2%;
(3) add an amount of plastics microballon in above-mentioned mixed serum, the plastics bead diameter is 50 μ m～500 μ m
(4) the cotton volume of rear formation that stirs is 5%～20%, and plastics microballon volume is 5%～10% core slurry;
(5) slurry is sent into breast box, adopt forming net to the cotton pulp dehydration forming, form cotton felt blank;
(6) adopt pressure roller to cotton felt blank carry out vertically, lateral surfaces is smooth, simultaneously the thickness of cotton felt blank adjusted, and makes cotton felt blank thickness uniformity;
(7) above-mentioned cotton felt negative pressure is dewatered 70%～90% moisture in the removal blank;
(8) the cotton felt blank that then will remove moisture is sent into baking and curing in the roasting chamber, and baking the temperature inside the box is 200～500 ℃, and stoving time is 20～60 minutes, removes the plastics microballon;
(9) core is cooled to normal temperature, and according to customer requirement core is carried out cutting, namely get the core material of vacuum heat insulation plate of the imitative Bird's Nest of microstructure.
Effect: the utility model compared with prior art has the following advantages:
(1) adopt the inorfil cotton as the main component of wet method core, avoided conventional method must add the approach that the flame cotton just can reach low heat conduction, avoided the shortcoming that the cotton manufacture cost of flame is high, power consumption is large, avoid the thermal and insulating performance reduction that causes because of the too high blockage of the micro orifice that causes of powdered fibre content in the flame cotton, the shortcoming that sound absorption qualities reduces, effectively reduced product cost.
(2) adopting the plastics microballon is nest nuclear, the inorfil cotton is twined at its surface uniform, institute's hole that formed is imitated the nest nest between the Bird's Nest branch after decomposing with microballon, obtain the netted microstructure in space of imitative Bird's Nest, overcome conventional wet core internal fiber shortcoming pockety, improved the stability of core material structure.
(3) adopt inorganic glue as Bond, with inorfil cotton with the plastics superbead bond together, reach the imitative bonding effect of bird saliva, make the core interior laminate layer, increased the tear strength of core, realized the stack of the little Bird's Nest structure of multilayer.With respect to the method for other chemical adhesives of core surface sprinkling, can avoid too much because of core surface Bond simultaneously, stop up the excessive adverse consequences of core thermal conductivity that closed pore causes.
Description of drawings
Fig. 1 is the core material of vacuum heat insulation plate structural representation of the imitative Bird's Nest of a kind of microstructure.
Embodiment
Below in conjunction with specific embodiment, further illustrate the utility model, should understand these embodiments only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims to the modification of the various equivalent form of values of the present utility model and limit.
Embodiment
With reference to Fig. 1, the core material of vacuum heat insulation plate of the imitative Bird's Nest of the described a kind of microstructure of present embodiment comprises: the glass wool 20 of the nest nest 10 that the plastics microballon stays after removing, similar branch overlap joint.Selected inorganic glue is sodium silicate.
This core material of vacuum heat insulation plate in the preparation, the concrete technology step is as follows:
(1) gets glass wool, add and send into the dilution of with slurry pond, diluted concentration to 0.2% after water stirs;
(2) will dilute good cotton pulp liquid and send in the binder with slurry pond of being furnished with certain concentration, binder is water glass, and wherein binder weight accounts for water weight 0.5%;
(3) add an amount of plastics microballon in above-mentioned mixed serum, the plastics bead diameter is 50 μ m;
(4) the cotton volume of rear formation that stirs is 8%, and plastics microballon volume is 5% core slurry;
(5) slurry is sent into breast box, adopt forming net to the cotton pulp dehydration forming, form cotton felt blank;
(6) adopt pressure roller to cotton felt blank carry out vertically, lateral surfaces is smooth, simultaneously the thickness of cotton felt blank adjusted, and makes cotton felt blank thickness be adjusted into 2mm;
(7) above-mentioned cotton felt negative pressure is dewatered 70% moisture in the removal blank;
(8) the cotton felt blank that then will remove moisture is sent into baking and curing in the roasting chamber, and baking the temperature inside the box is 350 ℃, and stoving time is 30 minutes, removes the plastics microballon;
(9) core is cooled to normal temperature, and according to customer requirement core is carried out cutting, namely get the core material of vacuum heat insulation plate of the imitative Bird's Nest of microstructure.
Above-mentioned only is single embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of the scope of invading the utility model protection.In every case be the content that does not break away from technical solutions of the utility model, to any type of simple modification, equivalent variations and remodeling that above embodiment does, still belong to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (4)
1. the core material of vacuum heat insulation plate of the imitative Bird's Nest of microstructure is characterized in that the aperture that this core is cotton by inorfil and the inorfil cotton centers on forms, and is a kind of thermal-protective material, can be used as core material of vacuum heat insulation plate.
2. according to claims 1 described core, it is characterized in that the inorfil cotton in the core is glass wool or glass fibre or rock wool or basalt fibre, perhaps two or more fiber combinations.
3. according to claims 1 described core, it is characterized in that aperture is approximately spherical in the core, diameter is 50 μ m～500 μ m, and the density in hole is to contain 1000～1000000 in hole in every cubic centimetre of core.
4. according to claims 1 described core, it is characterized in that there is inorganic glue in lap-joint between the inorfil, the inorganic glue composition is silica or sodium silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194060 CN202852336U (en) | 2012-05-03 | 2012-05-03 | A vacuum insulated panel core material with a microstructure similar to that of a bird nest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194060 CN202852336U (en) | 2012-05-03 | 2012-05-03 | A vacuum insulated panel core material with a microstructure similar to that of a bird nest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202852336U true CN202852336U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194060 Expired - Lifetime CN202852336U (en) | 2012-05-03 | 2012-05-03 | A vacuum insulated panel core material with a microstructure similar to that of a bird nest |
Country Status (1)
| Country | Link |
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| CN (1) | CN202852336U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124419A (en) * | 2014-08-08 | 2014-10-29 | 太仓派欧技术咨询服务有限公司 | Micro-structure bird nest-imitating AGM partitioning plate |
| CN106367887A (en) * | 2016-08-31 | 2017-02-01 | 安徽吉曜玻璃微纤有限公司 | High-density dry-method core material and manufacturing 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 |
-
2012
- 2012-05-03 CN CN 201220194060 patent/CN202852336U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124419A (en) * | 2014-08-08 | 2014-10-29 | 太仓派欧技术咨询服务有限公司 | Micro-structure bird nest-imitating AGM partitioning plate |
| CN106367887A (en) * | 2016-08-31 | 2017-02-01 | 安徽吉曜玻璃微纤有限公司 | High-density dry-method core material and manufacturing 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 |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Hongjiu Aviation Heat Proof Materials Technology Co., Ltd. Document name: Notification to Go Through Formalities of Registration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU V.I.P. NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: SUZHOU HONGJIU AVIATION HEAT PROTECTION MATERIAL SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20140911 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140911 Address after: Taicang City, Yan Shan Xi Lu Suzhou 215400 Jiangsu province No. 136 Patentee after: SUZHOU V.I.P. NEW MATERIAL CO., LTD. Address before: 215400 Taicang city of Jiangsu Province Yanshan Mountain Road No. 136 Patentee before: Suzhou Hongjiu Aviation Heat Proof Materials Technology Co., Ltd. |
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Addressee: SUZHOU V.I.P. NEW MATERIAL CO., LTD. Document name: Notification of Termination of Patent Right |
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Effective date of registration: 20191231 Address after: Room 2321, building 1, No. 268, Jiqingmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Xu Lijiang Address before: Taicang City, Yan Shan Xi Lu Suzhou 215400 Jiangsu province No. 136 Patentee before: SUZHOU V.I.P. NEW MATERIAL CO., LTD. |
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Granted publication date: 20130403 |