CN109306512B - Solidifying heat-preserving cylinder - Google Patents
Solidifying heat-preserving cylinder Download PDFInfo
- Publication number
- CN109306512B CN109306512B CN201811422923.0A CN201811422923A CN109306512B CN 109306512 B CN109306512 B CN 109306512B CN 201811422923 A CN201811422923 A CN 201811422923A CN 109306512 B CN109306512 B CN 109306512B
- Authority
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- China
- Prior art keywords
- layer
- heat preservation
- heat
- cylinder
- fixing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004321 preservation Methods 0.000 claims abstract description 67
- 239000010410 layer Substances 0.000 claims description 94
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 16
- 239000004917 carbon fiber Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000007711 solidification Methods 0.000 claims description 11
- 230000008023 solidification Effects 0.000 claims description 11
- 239000007779 soft material Substances 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000004966 Carbon aerogel Substances 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000123 paper Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000010923 batch production Methods 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
Abstract
The invention discloses a curing heat-preserving cylinder, which comprises a plurality of heat-preserving layers, wherein each heat-preserving layer is a cylinder formed by assembling a plurality of cylinder sheets; the surface between two adjacent heat preservation layers is provided with at least one inner annular groove, and the inner fixing ring is nested into the inner annular groove to fix the two adjacent heat preservation layers. According to the invention, the traditional round heat-preserving cylinder is prepared by segmentation, on one hand, the multi-layer assembly can be carried out to form heat-preserving cylinders with different thicknesses, and the heat-preserving cylinders with different heights are spliced; on the other hand, the preparation method can also be used for batch production at the same time, and the preparation cost is greatly reduced. When preparing the barrel piece of a single heat preservation layer, the thickness is thinner, the size is controllable, the uniform treatment effect inside and outside can be obtained when high temperature treatment is carried out, and the high temperature resistance and heat preservation effect of each barrel piece can be ensured; in addition, the internal fixation ring can fix two adjacent heat preservation layers, and can improve the stability of assembly.
Description
Technical Field
The invention relates to the technical field related to carbon fiber composite materials in the production and manufacturing processes of a single crystal furnace, a high temperature furnace and a gas quenching furnace, in particular to a curing heat preservation cylinder.
Background
In the production of single crystal 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. In the prior art equipment, as the crystal diameter of the monocrystalline silicon grows thicker, the diameter of the corresponding monocrystalline furnace also increases, so that the reliability of a thermal field is also required to be higher, and other requirements such as a high-temperature furnace and a gas quenching furnace are also required. The weight is heavy because the larger the diameter, the greater the wall thickness requirement. The prior art has used light carbon felt or graphite felt soft felt winding mode to make heat insulating device, and also has cured felt to make heat insulating layer.
However, using a soft felt as the insulation layer, the dust is very large; the use of the solidified felt as the heat insulating layer has high cost and long manufacturing period, and as the size of the single crystal furnace is larger, the furnace for producing the solidified felt heat insulating layer is also required to be larger, so that the cost is higher. Meanwhile, the solidified felt is sintered and molded by using a large amount of resin in the production process, so that the environment pollution is relatively large, and the problem of stress deformation exists.
Disclosure of Invention
The invention aims to provide a curing heat-preserving cylinder, which solves the problems of high preparation cost, low efficiency, high requirements on preparation process and relatively large environmental pollution when the size is large in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a solidifying heat-insulating cylinder comprises a plurality of heat-insulating layers, wherein each heat-insulating layer is a cylinder formed by assembling a plurality of cylinder sheets; the surface between two adjacent heat preservation layers is provided with at least one inner annular groove, and the inner fixing ring is nested into the inner annular groove to fix the two adjacent heat preservation layers.
Further, in the solidification heat preservation cylinder, the outer fixing ring is a multi-section splicing type.
Furthermore, in the solidification heat preservation cylinder, the splicing part of the outer fixing ring adopts a clamping groove and a clamping piece to be matched and fixedly connected, clamped and connected or connected by rivets.
Further, in the solidification heat preservation cylinder, the solidification heat preservation cylinder further comprises an interlayer, wherein the interlayer is arranged between each two heat preservation layers; the interlayer is paper or cloth composed of one or more of graphite paper, carbon fiber, ceramic or glass fiber.
Further, in the solidification heat preservation cylinder, cylinder sheets between two adjacent heat preservation layers are assembled by staggered joint splicing.
Further, in the solidification heat preservation cylinder, the inner fixing ring is spliced or segmented, and the segmented parts are clamped at the seams of the cylinder pieces.
Further, in the solidification heat-preservation cylinder, the outer annular grooves are arranged at the outer surfaces of the two ends of the heat-preservation layer (2), and the two outer annular hoops (1) are connected by a fastener penetrating through the heat-preservation layer (2); the fastener is a stud bolt or a single-head bolt.
Further, in the solidification heat preservation cylinder, the outer surface of the heat preservation layer (2) at the outermost layer is sleeved with high temperature resistant cloth, the outer surface of the high temperature resistant cloth is provided with an outer groove, and the outer groove corresponds to the outer groove in position.
Further, in the solidification heat preservation cylinder, an inner layer and an outer layer of the heat preservation layer (2) are made of heterogeneous materials, the inner layer is made of soft materials, and the outer layer is made of hard materials; or when the heat preservation layer (2) is of a plurality of layers of structures, the innermost layer is made of hard materials, the middle layer is made of soft materials, and the outermost layer is made of hard materials.
Further, in the cured insulating cylinder, the hard material comprises one or more of carbon aerogel, carbon foam, porous graphite, cured carbon fiber felt, graphite, carbon, ceramic or cured ceramic fiber felt; the soft material comprises one or more of ceramic pile felt, metal pile felt, asbestos felt, carbon felt, graphite felt, PAN carbon fiber, viscose carbon fiber or asphalt carbon fiber.
Compared with the prior art, the invention has the beneficial effects that: 1. compared with the traditional heat-insulating cylinder, the circular heat-insulating cylinder is prepared by dividing, only a plurality of cylinder sheets are needed to be prepared, and then the cylinder sheets are assembled on site, on one hand, the cylinder sheets can be assembled in multiple layers to form heat-insulating cylinders with different thicknesses and are spliced into heat-insulating cylinders with different heights; on the other hand, the preparation method can be simultaneously used for batch production, and the preparation cost is greatly reduced; 2. when preparing the barrel piece of a single heat preservation layer, the thickness is thinner, the size is controllable, the uniform treatment effect inside and outside can be obtained when high temperature treatment is carried out, and the high temperature resistance and heat preservation effect of each barrel piece can be ensured; 3. when the required heat preservation cylinder is large in size, the cylinder piece is convenient to transport and install; 4. the internal fixing ring can fix two adjacent heat preservation layers, so that the stability of assembly can be improved.
Drawings
Fig. 1 and 2 are schematic perspective views of a solidifying and heat-preserving cylinder according to the present invention;
FIGS. 3 and 4 are schematic cross-sectional views of a curing heat-preserving cylinder according to the present invention;
FIG. 5 is a schematic top view of another curing cartridge;
fig. 6 is a schematic view of the structure of the outer fixing ring connector of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this embodiment, please refer to fig. 1 to 4, the present invention provides a curing thermal insulation cylinder, which includes a plurality of thermal insulation layers, wherein a single thermal insulation layer is a cylinder formed by assembling a plurality of cylinder sheets 1; the outer surface of the heat preservation layer 1 of the outermost layer is at least provided with an outer annular groove 2, an outer fixing ring (not shown in the figure) is embedded in the outer annular groove 2, at least one inner annular groove is arranged on the surface between two adjacent heat preservation layers, and the inner fixing ring 3 is embedded in the inner annular groove to fix the two adjacent heat preservation layers.
Specifically, in this embodiment, the conventional integrally formed curing heat-preserving cylinder is divided into a plurality of cylinder pieces 1, so that on one hand, the cylinder pieces 1 can be prepared in batches, and the cost can be reduced; on the other hand, when preparing the barrel piece 1 with a single heat preservation layer, the thickness is thinner, the size is controllable, the uniform treatment effect inside and outside can be obtained when high-temperature treatment is carried out, and the high-temperature resistance and heat preservation effect of each barrel piece 1 can be ensured; in addition, when the required heat preservation cylinder size is bigger, the cylinder piece 1 is smaller, and the heat preservation cylinder is convenient to transport and install, so that the cost is greatly reduced to prepare the heat preservation cylinder with a bigger size.
Wherein, the outer surface of the two ends of the heat preservation barrel piece 1 is provided with an outer annular groove 2. The outer annular grooves 2 are respectively arranged at two ends of the barrel piece 1, and the outer fixing rings are embedded in the outer annular grooves, so that an outermost heat-insulating layer formed by the barrel piece 1 can be fixed. For better fixation, the two outer fixing rings are connected by fasteners (not shown) penetrating the insulation layer; the fastener is a stud bolt or a single-head bolt. That is, the fixing effect can be improved by connecting the upper and lower outer fixing rings together using one or more fasteners, thereby achieving the upper and lower fixing.
In order to fix the heat insulation layer of the inner layer formed by splicing the plurality of barrel pieces 1 and fix the heat insulation layer of the outer layer, the inner fixing ring 3 is adopted for fixing in the embodiment, and the heat insulation layer is specifically: at least one inner annular groove is arranged between two adjacent heat preservation layers, and an inner fixing ring 3 is nested into the inner annular groove for fixing; the width of the inner fixing ring 3 is equal to that of the inner annular groove, and the thickness of the inner fixing ring 3 is larger than that of the inner annular groove, so that the adjacent two heat preservation layers can be conveniently clamped and fixed.
Referring to fig. 5, the inner fixing ring 3 is of a sectional type, and the sectional type is clamped at the seam of the barrel piece. In other embodiments than this embodiment, the inner fixing ring 3 may be a split-type whole ring structure, similar to the outer fixing ring.
In addition, referring to fig. 6, in the present embodiment, the outer fixing ring 4 is a split type; the splicing part of the outer fixing ring 4 is fixedly connected with the clamping piece 41 by adopting a clamping groove. Wherein, the outer fixed ring 4 adopts upper and lower double-deck concatenation, can adopt the bolt concatenation to become the semicircle when the concatenation, then expose at semicircle both ends and match superimposed concatenation department from top to bottom to be equipped with the draw-in groove in concatenation department, the draw-in groove is the inside concave type about, and upper and lower draw-in groove can align, when the embedding in outer annular groove 2, can go into the draw-in groove with screens piece 41 card, thereby connect fixedly with the concatenation department. In addition, the outer fixing ring 4 may also be connected by a snap connection or a rivet, which will not be described herein.
In order to avoid ventilation and heat dissipation of the splicing seams at the splicing positions between the adjacent heat preservation layers, the splicing seams of the barrel sheets between the two adjacent heat preservation layers are required to be ensured to be misaligned during splicing and installation, namely the staggered joint splicing assembly structure. Furthermore, an interlayer can be arranged between the adjacent heat preservation layers for heat insulation treatment, and the interlayer is arranged between each heat preservation layer; the interlayer is graphite paper, carbon fiber, ceramic or glass fiber.
In addition, a high temperature resistant cloth (not shown) can be sleeved on the outer surface of the heat insulation layer on the outermost layer, an outer groove is arranged on the outer surface of the high temperature resistant cloth, the outer groove corresponds to the outer groove 2 in position, and the outer groove can be matched with the installation mode of the outer fixing ring 4. The high temperature resistant cloth can play a role in dust prevention and corrosion resistance on one hand and play a role in protection on the other hand.
Further, in this embodiment, the inner layer and the outer layer of the heat insulation layer (2) are made of heterogeneous materials, the inner layer is made of soft materials, and the outer layer is made of hard materials; or when the heat preservation layer (2) is of a plurality of layers of structures, the innermost layer is made of hard materials, the middle layer is made of soft materials, and the outermost layer is made of hard materials. The hard material comprises one or more of carbon aerogel, carbon foam, porous graphite, cured carbon fiber felt, graphite, carbon, ceramic or cured ceramic fiber felt; the soft material comprises one or more of ceramic pile felt, metal pile felt, asbestos felt, carbon felt, graphite felt, PAN carbon fiber, viscose carbon fiber or asphalt carbon fiber.
The working principle and the using flow of the invention are as follows: firstly, carrying the prepared outer fixing ring, the heat preservation layer, the interlayer, the high temperature resistant cloth and the inner fixing ring to the position required to be used, assembling and solidifying the heat preservation cylinder, arranging inner grooves on the inner layer and the outer layer of the heat preservation layer respectively, then clamping the inner fixing ring spliced in advance in the inner grooves of the outer layer of the heat preservation layer, fixing the heat preservation layer, wherein the thickness of the inner fixing ring is twice the depth of the inner grooves, the inner fixing ring can be protruded to a part of the inner grooves of the inner layer of the other heat preservation layer, the inner fixing ring can clamp part of the protrusion, the heat preservation layer can be subjected to multilayer superposition thickening in the same way, because the heat preservation cylinder is required to be heated at high temperature, if the whole heat preservation cylinder is heated, the inner layer and the outer layer are heated differently, assembling the heat preservation layer to form a circle, then covering the high temperature resistant cloth on the periphery of the heat preservation layer, arranging the two outer ring grooves on the upper end and lower end of the periphery of the high temperature resistant cloth, after clamping the high temperature resistant cloth on the heat preservation layer, installing the outer fixing ring in the grooves of the high temperature resistant cloth side wall, clamping the outer fixing ring, and clamping the clamping piece to clamp the clamping piece, fixing the heat preservation layer, thereby completing the assembly of the heat preservation cylinder.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a solidification heat preservation section of thick bamboo, includes multilayer heat preservation, and individual layer heat preservation is the cylindric that a plurality of section of thick bamboo pieces assembled, its characterized in that:
the surface between two adjacent heat-insulating layers is provided with at least one inner annular groove, and the inner fixing ring is nested in the inner annular groove to fix the two adjacent heat-insulating layers; the heat insulation layer is arranged between the heat insulation layers; the interlayer is paper or cloth composed of one or more of graphite paper, carbon fiber, ceramic or glass fiber;
the outer fixing ring is in a multi-section splicing mode; the splicing part of the outer fixing ring is fixedly connected with the clamping piece in a matched mode through a clamping groove, and is connected in a clamping mode or connected through a rivet;
the outer annular grooves are formed in the outer surfaces of the two ends of the heat preservation layer (2), and the two outer annular hoops (1) are connected through fasteners penetrating through the heat preservation layer (2); the fastening piece is a double-head bolt or a single-head bolt; the outer surface of the heat preservation layer (2) of the outermost layer is sleeved with high temperature resistant cloth, an outer groove is arranged on the outer surface of the high temperature resistant cloth, and the outer groove corresponds to the outer groove in position.
2. The curing and insulating cylinder of claim 1, wherein the cylinder sheets between two adjacent insulating layers are assembled by staggered joint splicing.
3. The curing and insulating cylinder according to claim 1, wherein the inner fixing ring is spliced or segmented, and the segmented parts are clamped at the seams of the cylinder sheets.
4. The solidification heat preservation cylinder according to claim 1, wherein the inner layer and the outer layer of the heat preservation layer (2) are made of heterogeneous materials, the inner layer is made of soft materials, and the outer layer is made of hard materials; or when the heat preservation layer (2) is of a plurality of layers of structures, the innermost layer is made of hard materials, the middle layer is made of soft materials, and the outermost layer is made of hard materials.
5. The cured insulating cartridge of claim 4, wherein the hard material comprises one or more of carbon aerogel, carbon foam, porous graphite, cured carbon fiber mat, graphite, carbon, ceramic, or cured ceramic fiber mat; the soft material comprises one or more of ceramic pile felt, metal pile felt, asbestos felt, carbon felt, graphite felt, PAN carbon fiber, viscose carbon fiber or asphalt carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422923.0A CN109306512B (en) | 2018-11-27 | 2018-11-27 | Solidifying heat-preserving cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422923.0A CN109306512B (en) | 2018-11-27 | 2018-11-27 | Solidifying heat-preserving cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109306512A CN109306512A (en) | 2019-02-05 |
| CN109306512B true CN109306512B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422923.0A Active CN109306512B (en) | 2018-11-27 | 2018-11-27 | Solidifying heat-preserving cylinder |
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| CN (1) | CN109306512B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743418B (en) * | 2020-05-27 | 2021-11-12 | 武汉理工大学 | Modularization aerogel heat preservation device of rice cooker |
| CN112593282A (en) * | 2020-12-18 | 2021-04-02 | 上海骐杰碳素材料有限公司 | Concatenation formula multilayer high strength solidification section of thick bamboo that keeps warm |
| CN113373505B (en) * | 2021-06-30 | 2022-09-13 | 内蒙古中晶科技研究院有限公司 | Single crystal furnace thermal field heat preservation cylinder and preparation method thereof |
| CN114657645A (en) * | 2022-03-23 | 2022-06-24 | 双良硅材料(包头)有限公司 | Thermal field heat preservation assembly and single crystal furnace equipment |
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| JPH0232844A (en) * | 1988-07-21 | 1990-02-02 | Showa Maruto:Kk | Heat-proof composite pipe |
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| Publication number | Publication date |
|---|---|
| CN109306512A (en) | 2019-02-05 |
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