CN219709642U - Thermal insulation device with reinforced laminate - Google Patents
Thermal insulation device with reinforced laminate Download PDFInfo
- Publication number
- CN219709642U CN219709642U CN202320763387.0U CN202320763387U CN219709642U CN 219709642 U CN219709642 U CN 219709642U CN 202320763387 U CN202320763387 U CN 202320763387U CN 219709642 U CN219709642 U CN 219709642U
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- Prior art keywords
- carbon
- layer
- reinforced
- layers
- heat preservation
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- 238000009413 insulation Methods 0.000 title claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 73
- 238000004321 preservation Methods 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 229910052582 BN Inorganic materials 0.000 claims abstract description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical group C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims description 5
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 27
- 238000000034 method Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003575 carbonaceous material Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000011120 plywood Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000280 densification Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model provides a heat preservation device with reinforced laminate plates, which comprises a plurality of middle panel plates, wherein the middle panel plates are reinforced laminate plates, each middle panel plate comprises at least two reinforced layers and at least one carbon base layer, each carbon base layer is arranged between the two reinforced layers, each reinforced layer is a net tire layer, and each carbon base layer is a resin carbon layer or a deposited carbon layer; and the surface of the middle panel comprises a coating of one of boron nitride, silicon nitride, aluminum oxide, silicon carbide and ceramic. The heat preservation device adopts the middle panel with the reinforced laminate, and can reduce the thickness of the use, thereby having light weight, high strength, no peeling and high safety.
Description
Technical Field
The utility model relates to a thermal field device, in particular to a spliced thermal insulation device with reinforced laminate plates, which is manufactured by adopting carbon-based materials in the manufacturing process of monocrystalline silicon or polycrystalline silicon.
Background
In the production of single crystal silicon or polycrystalline silicon, a Czochralski method (CZ method), which is a method of pulling a single crystal from a melt in a vertical direction, is currently widely used. As the technology of production advances, the size of crystal furnaces is getting larger, and the diameters and other sizes of guide barrels, heat preservation barrels are also getting larger. The prior art has proposed a process of splitting a thermal field device such as a guide cylinder, a thermal insulation cylinder and the like into a plurality of parts, manufacturing the parts first, and then assembling the parts, but the assembly components, such as a middle panel, are made of graphite materials, and have defects in strength and safety. For example, after long-term use, due to SiO with Si vapor and volatilization 2 The surface of the graphite cylinder is fragile, the surface of the graphite cylinder is easy to crack, the heat preservation effect is reduced, the crystal quality is affected, and if the graphite cylinder is not replaced in time, the production accident is easy to cause after the graphite cylinder is aged and damaged.
In the prior art, patent number 2017218011048 discloses a heat preservation device, and proposes a carbon fiber composite material heat preservation device, overcomes thermal stress, effectively improves the reliability of the heat preservation device, but in the actual use process, as the components of the heat preservation device adopt a single carbon-carbon composite material structure, no reinforcing layer or external coating is adopted, the corrosion of silicon vapor is found, the situation of corrosion pits is seen on the surface of the carbon/carbon composite material after long-time use, and the thinner the material is, so that the defects in the aspects of strength and corrosion resistance are also caused.
Thus, the prior art insulation devices also have a lifting place.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present utility model is directed to a heat preservation device with reinforced laminate made of carbon-based material for a heat preservation device, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the heat preservation device comprises a plurality of middle panels, wherein the middle panels are reinforced laminates, each middle panel comprises at least two reinforced layers and at least one carbon base layer, the carbon base layer is arranged between the two reinforced layers, the reinforced layers are net-shaped layers, and the carbon base layer is a resin carbon layer or a deposited carbon layer; and the surface of the middle panel comprises a coating of one of boron nitride, silicon nitride, aluminum oxide, silicon carbide and ceramic.
The utility model provides a heat preservation device that has reinforcing plywood, heat preservation device includes a plurality of well panels, well panel is the reinforcing plywood, well panel includes two at least enhancement layers and at least one carbon foundation layer, the carbon foundation layer sets up two between the enhancement layer, the enhancement layer is the carbon material layer of two-dimensional woven carbon cloth preparation, the carbon foundation layer is resin carbon layer or deposit carbon layer well panel surface includes the coating of one of boron nitride, silicon nitride, aluminium oxide, silicon carbide, pottery.
The utility model provides a heat preservation device that has reinforcing plywood, heat preservation device includes a plurality of well panels, well panel is the reinforcing plywood, well panel includes two at least enhancement layers and at least one carbon foundation layer, the carbon foundation layer sets up two between the enhancement layer, the enhancement layer is one-way carbon cloth layer, the carbon foundation layer is resin carbon layer or deposit carbon layer well panel surface includes the coating of one of boron nitride, silicon nitride, aluminium oxide, carborundum, pottery.
Compared with the prior art, the utility model has the following advantages and positive effects due to the adoption of the technology:
1. the middle panel material adopts the carbon cloth reinforcing layer, and has higher strength than the traditional carbon material with the needling structure;
2. the middle panel material adopts the net tire layer, and raw materials can be obtained from leftover materials of long fibers, so that the cost is low;
3. the heat preservation device is manufactured by adopting a reinforced laminate and laminating mode, compared with the traditional needling structure carbon-carbon material, the process is simplified, the thickness of the whole used component can be reduced, the specific strength is high, and therefore the heat preservation device is light in weight, high in strength, free of flaking and high in safety;
4. the surface of the middle panel is subjected to surface treatment, so that corrosion can be effectively reduced, and the service life can be prolonged.
Of course, it is not necessary for any one embodiment to practice the teachings of the present utility model to have all of the above described advantages.
Drawings
FIG. 1 is a schematic view of a thermal insulation device of the present utility model;
FIG. 2 is a schematic view of a panel structure in the manufacture of a reinforcement layer using a mesh tire according to the present utility model;
FIG. 3 is a schematic view of a panel structure in the present utility model using two-dimensional woven carbon cloth or unidirectional carbon cloth as a reinforcing layer.
Detailed Description
Several preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, but the present utility model is not limited to these embodiments only. The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model. In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details.
The core idea of the utility model is to manufacture a heat preservation device with reinforced laminates, such as a heat preservation cylinder and a guide cylinder, by adopting an assembling structure, and by adopting a sectional design, the spliced components of the heat preservation device adopt the reinforced laminates, so that the service life of the heat preservation device is effectively prolonged and exceeded that of the traditional device. The method has the advantages in occasions requiring high temperature and high chemical stability; after the surface strengthening treatment of the middle panel, the corrosion of silicon vapor can be effectively delayed, and the service life is prolonged.
The present utility model will be described in detail below with reference to the accompanying drawings. Referring to fig. 1, the heat preservation device of the present utility model is a heat preservation barrel, but the heat preservation barrel includes at least two hoops 10 and at least one middle face portion, the middle face portion includes a plurality of middle panels 21, and the middle panels are reinforced laminates, which should not limit the scope of the present utility model.
Referring to fig. 2, the middle panel includes at least two reinforcing layers 211 and a carbon base layer 212, the reinforcing layers 211 on the surface are reinforcing layers, the carbon base layer 212 is disposed between the two reinforcing layers 211, and in this embodiment, the number of the reinforcing layers 211 and the carbon base layer 212 may be increased according to the thickness requirement, for example, six reinforcing layers 211 and five carbon base layers 212; the reinforcing layer 211 is a web layer, which is a thin fibrous filament body formed by fibrous filaments with a certain length, and the thickness is between 0.5mm and 1.5 mm; the carbon base layer 212 is a resin carbon layer or a deposited carbon layer, and is formed by laminating after resin impregnation in a manner well known in the industry and not described herein, and the laminated blank is carbonized and graphitized; if desired, the product may be subjected to vapor deposition densification after carbonization and then graphitized.
Referring to fig. 3, in another embodiment of the present utility model, as shown in the drawings, the reinforcing layers 211 are carbon-carbon material layers made of two-dimensional woven carbon cloth, the carbon base layers 212 are resin carbon layers or deposited carbon layers, the carbon base layers 212 are disposed between the two reinforcing layers 211, in this embodiment, the number of the reinforcing layers 211 is 13 layers, and the number of the carbon base layers 212 is 12 layers, but the number of the reinforcing layers 211 and the carbon base layers 212 can be increased or decreased according to the thickness requirement, for example, five layers of the reinforcing layers 211 and four layers of the carbon base layers 212; during processing, the resin is impregnated and then laminated, the lamination mode is well known in the industry and is not described in detail herein, and the laminated blank is carbonized and graphitized; if desired, the product may be subjected to vapor deposition densification after carbonization and then graphitized.
Referring to fig. 3, in still another embodiment of the present utility model, as shown, the reinforcing layers 211 are unidirectional carbon cloth layers, the carbon base layers 212 are resin carbon layers or deposited carbon layers, the carbon base layers 212 are disposed between two reinforcing layers 211, in this embodiment, the number of the reinforcing layers 211 is 13 layers, and the number of the carbon base layers 212 is 12 layers, but the number of the reinforcing layers 211 and the carbon base layers 212 can be increased or decreased according to the thickness requirement, for example, five layers of the reinforcing layers 211 and four layers of the carbon base layers 212; in addition, it should be noted that, unlike two-dimensional woven carbon cloth, unidirectional carbon cloth needs to be rotated by 90 ° when stacked layer by layer so that the warp and weft lines of every two layers of carbon cloth overlap, so that the bidirectional strength of the overall structure is consistent; during processing, the resin is impregnated and then laminated, the lamination mode is well known in the industry and is not described in detail herein, and the laminated blank is carbonized and graphitized; if desired, the product may be subjected to vapor deposition densification after carbonization and then graphitized.
As described above, in the embodiments of the present utility model, the materials used for the reinforcing layer 211 and the carbon base layer 212 and the method for forming the middle panel by processing these materials are described, and these methods are known to those skilled in the art and can be selected according to the state of the art, and even those skilled in the art can select other known techniques not listed in the embodiments, so that the present utility model is not exhaustive. The technical point of the utility model is to combine materials of different reinforcing layers 211 and carbon base layers 212 to obtain a high-quality middle panel. In addition, in order to strengthen the corrosion resistance, according to different use scenes, a coating of one of boron nitride, silicon nitride, aluminum oxide, silicon carbide and ceramic can be added on the surface of the middle panel.
Another object of the present utility model is to make a heat-insulating device using the middle panel, please refer to fig. 1, in which the heat-insulating device in the embodiment is a spliced heat-insulating cylinder, but the utility model is not limited thereto, and the spliced heat-insulating device should be within the scope of the utility model, and the heat-insulating device includes a middle portion formed by a plurality of the middle panels as described above, and further includes at least two hoops, and the middle portion is disposed between the two hoops.
The heat preservation device of the present utility model is only one embodiment of the present utility model, and the heat preservation device of the splicing structure is disclosed in other patents of the applicant, not described in detail herein, and other splicing heat preservation devices exist in the prior art, so long as the heat preservation device manufactured by using the middle panel of the present utility model is within the protection scope of the present utility model.
Compared with the prior art, the utility model has the following advantages and positive effects due to the adoption of the technology:
1. the middle panel material adopts the carbon cloth reinforcing layer, and has higher strength than the traditional carbon material with the needling structure;
2. the middle panel material adopts the net tire layer, and raw materials can be obtained from leftover materials of long fibers, so that the cost is low;
3. the heat preservation device is manufactured by adopting a reinforced laminate and laminating mode, compared with the traditional needling structure carbon-carbon material, the process is simplified, the thickness of the whole used component can be reduced, the specific strength is high, and therefore the heat preservation device is light in weight, high in strength, free of flaking and high in safety;
4. the surface of the middle panel is subjected to surface treatment, so that corrosion can be effectively reduced, and the service life can be prolonged.
Embodiments in accordance with the present utility model, as described above, are not intended to be exhaustive or to limit the application to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model and various modifications as are suited to the particular use contemplated. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The heat preservation device is characterized by comprising a plurality of middle panels, wherein the middle panels are reinforced laminates, each middle panel comprises at least two reinforced layers and at least one carbon base layer, each carbon base layer is arranged between two reinforced layers, each reinforced layer is a net tire layer, and each carbon base layer is a resin carbon layer or a deposited carbon layer.
2. The heat preservation device is characterized by comprising a plurality of middle panels, wherein the middle panels are reinforced laminates, each middle panel comprises at least two reinforced layers and at least one carbon base layer, each carbon base layer is arranged between two reinforced layers, each reinforced layer is a carbon-carbon material layer made of two-dimensional woven carbon cloth, and each carbon base layer is a resin carbon layer or a deposited carbon layer.
3. The heat preservation device is characterized by comprising a plurality of middle panels, wherein the middle panels are reinforced laminates, each middle panel comprises at least two reinforced layers and at least one carbon base layer, each carbon base layer is arranged between two reinforced layers, each reinforced layer is a unidirectional carbon cloth layer, and each carbon base layer is a resin carbon layer or a deposited carbon layer.
4. A reinforced laminate insulation as claimed in any one of claims 1 to 3, wherein the surface of the intermediate panel comprises a coating of one of boron nitride, silicon nitride, alumina, silicon carbide, ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320763387.0U CN219709642U (en) | 2023-04-10 | 2023-04-10 | Thermal insulation device with reinforced laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320763387.0U CN219709642U (en) | 2023-04-10 | 2023-04-10 | Thermal insulation device with reinforced laminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709642U true CN219709642U (en) | 2023-09-19 |
Family
ID=87978369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320763387.0U Active CN219709642U (en) | 2023-04-10 | 2023-04-10 | Thermal insulation device with reinforced laminate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709642U (en) |
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2023
- 2023-04-10 CN CN202320763387.0U patent/CN219709642U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201403 floor 5, building 11, No. 6055, Jinhai Road, Fengxian District, Shanghai Patentee after: Shanghai Qijie New Materials Co.,Ltd. Country or region after: China Address before: 201406, 5th Floor, Building 11, No. 6055 Jinhai Road, Fengxian District, Shanghai Patentee before: Q-CARBON MATERIAL CO.,LTD. Country or region before: China |