CN209794765U - Three-dimensional hollow aerogel heat insulation board - Google Patents
Three-dimensional hollow aerogel heat insulation board Download PDFInfo
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- CN209794765U CN209794765U CN201920570697.4U CN201920570697U CN209794765U CN 209794765 U CN209794765 U CN 209794765U CN 201920570697 U CN201920570697 U CN 201920570697U CN 209794765 U CN209794765 U CN 209794765U
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Abstract
the utility model discloses a three-dimensional hollow aerogel heat insulation board, which comprises at least one layer of heat insulation unit, wherein the heat insulation unit comprises a pair of outer protection layers and a plurality of supporting frameworks positioned between the pair of outer protection layers, the head and the tail of the supporting frameworks are respectively bonded on the opposite surfaces of the pair of outer protection layers, the supporting frameworks are formed by weaving a plurality of bundles of fibers, and the surfaces of the supporting frameworks are provided with solidified glue layers; and aerogel is filled in the gap between the support frameworks. The utility model discloses a three-dimensional cavity aerogel thermal insulation board, it is effectual to insulate against heat to keep warm, and can solve the problem that aerogel combined material easily falls the powder.
Description
Technical Field
The utility model relates to a thermal-insulated insulation material technical field, concretely relates to three-dimensional cavity aerogel thermal-insulated heated board.
Background
In recent years, energy conservation and environmental protection become the most concerned problems of people, the defects of flammability and easy corrosion of the traditional organic heat-insulating material limit the wide application of the material in the field of buildings, and the inorganic heat-insulating material has the defects of poor heat-insulating property, high density and the like and has great limitation.
The aerogel has a nano porous structure, generally, the silicon dioxide aerogel has low density and a special porous network structure, the porosity is more than 90 percent, most of pores are distributed below 50 nanometers and less than 70 nanometers of the mean free path of air molecules, the air molecules are difficult to collide, and the aerogel has low heat conductivity coefficient and is an ideal heat insulation material.
The aerogel felt is a flexible heat-preservation felt which is formed by compounding nano silicon dioxide aerogel serving as a main body material with glass fiber cotton or a pre-oxidized fiber felt through a special process. The thermal insulation material is characterized by low thermal conductivity coefficient, and is a solid thermal insulation material with the lowest thermal conductivity coefficient in the current temperature region of about 400 ℃; the heat-insulating material has the characteristics of softness, easiness in cutting, low density, inorganic fire resistance, overall hydrophobicity, environmental friendliness and the like, has certain tensile strength and compressive strength, belongs to a novel heat-insulating material, and can replace traditional flexible heat-insulating materials which are not environment-friendly and poor in heat-insulating property, such as glass fiber products, asbestos heat-insulating felts, silicate fiber products and the like. Currently, aerogel blankets are widely used for thermal insulation in the fields of industrial pipelines, storage tanks, industrial furnace bodies, power plants, escape capsules, warship bulkheads, motor cars, directly-buried pipelines, injection molding machines, detachable insulation covers, high-temperature steam pipelines for thick oil exploitation, transportation, household appliances, steel, nonferrous metals, glass and the like. However, aerogel blankets have the disadvantage of dusting during use, which affects their further use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a three-dimensional cavity aerogel thermal insulation board, its thermal-insulated heat preservation is effectual, and can solve the problem that aerogel combined material easily falls whitewashed.
In order to solve the technical problem, the utility model provides a three-dimensional hollow aerogel heat insulation board, including at least one deck thermal-insulated unit, thermal-insulated unit includes a pair of outer jacket and is located a plurality of supporting framework between a pair of outer jacket, the head and the tail of supporting framework bond respectively on the relative surface of a pair of outer jacket, and it is woven by a plurality of bundles of fiber and forms, and the surface has the glue film of solidification; and aerogel is filled in the gap between the support frameworks.
In a preferred embodiment of the present invention, the space between the supporting frames is filled with fibers and/or cotton felt, thereby further enhancing the heat insulation capability. Preferably, the fiber material comprises at least one of glass fiber, ceramic fiber, polyester fiber and Kevlar fiber.
In a preferred embodiment of the present invention, the opposite surfaces of the pair of outer sheaths are coated with adhesive layers and thermally pressed, so that the supporting frame is bonded to the outer sheaths.
In a preferred embodiment of the present invention, the periphery of the heat insulation unit is sealed by a film or resin material.
In a preferred embodiment of the present invention, the thickness of the single-layer heat insulation unit is 3-12 cm.
In a preferred embodiment of the present invention, the outer protective layer is made of glass fiber cloth, plastic plate or kraft paper.
In a preferred embodiment of the present invention, the aerogel is a pure aerogel or a fiber-reinforced aerogel.
The utility model has the advantages that:
1. The three-dimensional hollow aerogel heat insulation board of the utility model bonds the head and the tail of the woven fiber bundle which is treated by gumming between a pair of outer protecting layers, and forms a heat insulation unit with an air layer inside; aerogel particles are filled in gaps among the fiber bundles, so that the heat preservation performance of the heat insulation board is further improved; the woven fiber bundle after gum dipping and curing is used as a supporting framework, so that the heat insulation board has certain strength.
2. The utility model discloses a gel thermal-insulated heated board can include the mutual superimposed thermal-insulated unit of multilayer, can satisfy all kinds of insulation board's needs.
3. Compare with current aerogel combined material, the utility model discloses a thermal-insulated heated board, preparation technology is simpler, and thermal insulation performance is better, has overcome the easy defect of falling the powder of aerogel combined material simultaneously, has better application prospect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the three-dimensional hollow aerogel heat insulation board of the present invention;
Fig. 2 is a schematic structural diagram of another embodiment of the three-dimensional hollow aerogel heat insulation board of the present invention;
The reference numbers in the figures illustrate: 100. an outer jacket; 200. a support framework; 300. an aerogel; 400. a fiber-based material.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, an embodiment of the three-dimensional hollow aerogel thermal insulation board of the present invention includes a layer of thermal insulation unit.
Specifically, the heat insulation unit includes a pair of outer sheaths 100 disposed up and down and a plurality of support frames 200 located between the pair of outer sheaths 100, wherein the ends of the support frames 200 are respectively bonded to the surfaces of the pair of outer sheaths opposite to each other, the support frames 200 are formed by weaving 2 bundles of fiber bundles, and the surfaces of the support frames have cured glue layers.
In this embodiment, the supporting frame 200 is formed by weaving or twisting fiber bundles to form fiber columns, and then performing gum dipping treatment and curing. The opposite surfaces of the pair of outer sheaths are coated with adhesive layers and thermally pressed, so that the support frame 200 is bonded to the outer sheaths. The support framework 200 after being cured by dipping has certain strength, thereby ensuring that the heat insulation board has certain mechanical property.
The voids between supporting framework 200 are filled with aerogel 300, and aerogel 300 can be a pure aerogel 300 or a fiber reinforced aerogel 300. To prevent aerogel 300 from falling out, in some embodiments, the insulation unit is sealed around by a covering film. Additionally, in some embodiments, the voids between the support frames 200 are further filled with a fiber-based material 400, preferably including at least one of glass fibers, ceramic fibers, polyester fibers, kevlar fibers, and/or cotton felt, thereby further enhancing the thermal insulation capability.
The utility model discloses in, the material of outer jacket 100 can be fine cloth of glass, plastic slab or kraft paper, and these materials are cheap easily, have certain thermal insulation performance simultaneously. The material of tectorial membrane also can be glass fiber cloth, plastic slab or kraft paper, can bond on thermal-insulated unit through glue.
The utility model discloses in, the thickness of outer jacket 100 is preferably 0.1 ~ 1mm, the thickness of thermal-insulated unit is preferably 3 ~ 12 cm.
Referring to fig. 2, in another embodiment, the insulation board may include two layers of insulation units, and two adjacent layers of insulation units may share one outer protective layer 100. Of course, in other embodiments, the thermal insulation board may include more than two layers of insulation units.
In the three-dimensional hollow aerogel heat insulation board of the embodiment, the supporting framework 200 is bonded end to end between the pair of outer protecting layers 100, so as to form a heat insulation unit with an air layer inside; aerogel 300 particles and glass fibers 400 are filled in gaps among the fiber bundles, so that the heat insulation performance of the heat insulation board is further improved; the solidified woven fiber bundle ensures that the heat insulation board has certain strength. Secondly, the utility model discloses a gel thermal-insulated heated board can include the mutual superimposed thermal-insulated unit of multilayer to satisfy all kinds of insulation board's needs.
Compare with current aerogel combined material, the utility model discloses a thermal-insulated heated board, preparation technology is simpler, and thermal insulation performance is better, has overcome the easy defect of falling the powder of aerogel combined material simultaneously, has better application prospect.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The three-dimensional hollow aerogel heat-insulation and heat-preservation plate is characterized by comprising at least one layer of heat-insulation unit, wherein the heat-insulation unit comprises a pair of outer protective layers and a plurality of supporting frameworks positioned between the pair of outer protective layers, the head and the tail of each supporting framework are respectively bonded on the opposite surfaces of the pair of outer protective layers, each supporting framework is formed by weaving a plurality of bundles of fiber bundles, and the surface of each supporting framework is provided with a solidified glue layer; and aerogel is filled in the gap between the support frameworks.
2. The three-dimensional hollow aerogel thermal insulation board as claimed in claim 1, wherein the gaps between the supporting skeletons are filled with fiber materials and/or cotton felt.
3. The three-dimensional hollow aerogel thermal insulation board according to claim 2, wherein the fiber material comprises at least one of glass fiber, ceramic fiber, polyester fiber and Kevlar fiber.
4. The three-dimensional hollow aerogel thermal insulation panel as claimed in claim 1, wherein the pair of outer sheaths are coated with a glue layer on opposite surfaces thereof and are hot pressed to bond the supporting frame to the outer sheaths.
5. The three-dimensional hollow aerogel thermal insulation panel according to claim 1, wherein the periphery of the thermal insulation unit is sealed by a film or resin material.
6. The three-dimensional hollow aerogel thermal insulation board according to claim 1, wherein the thickness of the single-layer thermal insulation unit is 3mm to 12 mm.
7. the three-dimensional hollow aerogel thermal insulation board of claim 1, wherein the outer sheath is fiberglass cloth, plastic board or kraft paper.
8. The three-dimensional hollow aerogel thermal insulation board of claim 1, wherein the aerogel is a pure aerogel or a fiber reinforced aerogel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570697.4U CN209794765U (en) | 2019-04-24 | 2019-04-24 | Three-dimensional hollow aerogel heat insulation board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570697.4U CN209794765U (en) | 2019-04-24 | 2019-04-24 | Three-dimensional hollow aerogel heat insulation board |
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| Publication Number | Publication Date |
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| CN209794765U true CN209794765U (en) | 2019-12-17 |
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| CN201920570697.4U Active CN209794765U (en) | 2019-04-24 | 2019-04-24 | Three-dimensional hollow aerogel heat insulation board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516346A (en) * | 2020-03-30 | 2020-08-11 | 巩义市泛锐熠辉复合材料有限公司 | Heat insulation board and preparation method thereof |
| WO2022007797A1 (en) * | 2020-07-07 | 2022-01-13 | 巩义市泛锐熠辉复合材料有限公司 | Sandwich composite board and a preparation method therefor |
| CN115257145A (en) * | 2022-09-22 | 2022-11-01 | 山东希瑞新材料有限公司 | Sound-absorbing and heat-insulating material production equipment |
-
2019
- 2019-04-24 CN CN201920570697.4U patent/CN209794765U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516346A (en) * | 2020-03-30 | 2020-08-11 | 巩义市泛锐熠辉复合材料有限公司 | Heat insulation board and preparation method thereof |
| CN111516346B (en) * | 2020-03-30 | 2021-03-19 | 巩义市泛锐熠辉复合材料有限公司 | Heat insulation board and preparation method thereof |
| WO2022007797A1 (en) * | 2020-07-07 | 2022-01-13 | 巩义市泛锐熠辉复合材料有限公司 | Sandwich composite board and a preparation method therefor |
| CN115257145A (en) * | 2022-09-22 | 2022-11-01 | 山东希瑞新材料有限公司 | Sound-absorbing and heat-insulating material production equipment |
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Effective date of registration: 20210730 Address after: 215000 699 Maopeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU JUNYUE NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Room 2321, building 4, pinshang commercial center, 1168 Xiangcheng Avenue, Lumu Town, Xiangcheng District, Suzhou, Jiangsu 215000 Patentee before: Suzhou qichuangxin Material Technology Co.,Ltd. |