CN203007155U - Composite material insulating cylinder - Google Patents
Composite material insulating cylinder Download PDFInfo
- Publication number
- CN203007155U CN203007155U CN 201220708988 CN201220708988U CN203007155U CN 203007155 U CN203007155 U CN 203007155U CN 201220708988 CN201220708988 CN 201220708988 CN 201220708988 U CN201220708988 U CN 201220708988U CN 203007155 U CN203007155 U CN 203007155U
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- Prior art keywords
- carbon
- composite material
- silicon carbide
- insulating cylinder
- silicon
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Abstract
The utility model discloses a composite material insulating cylinder with silicon steam corrosion resistance, which comprises a cylinder body. The composite material insulating cylinder is characterized in that the cylinder body is formed by machining a carbon/carbon/silicon carbide composite material. According to the insulating cylinder which is made of the carbon/carbon/silicon carbide composite material, the characteristics that the binding ability of pyrolytic carbon and a carbon fiber is good and the silicon carbide is high in strength and strong in corrosion resistance are sufficiently utilized, and the silicon carbide sufficiently permeates into a carbon fiber matrix, so that the high binding strength of the silicon carbide with the carbon fiber matrix is ensured, the strength is higher than that of a carbon/carbon composite material, the corrosion of silicon steam to a core carbon fiber of the carbon/carbon/silicon carbide composite material is effectively suppressed, and the service life of the insulating cylinder is greatly prolonged; and meanwhile, the relative high strength is also beneficial to improving the security of a thermal field.
Description
Technical field
The utility model relates to a kind of High Temperature Furnaces Heating Apparatus parts, specifically a kind of monocrystalline silicon draw machines complex material heat preservation cylinder.
Background technology
The premium propertiess such as carbon/carbon compound material is one of advanced composite material of present widespread use, and it is to strengthen the formed matrix material of carbon base body by carbon fiber or various carbon fabric, has density low, and specific tenacity is high, and is wear-resistant, and high temperature resistant, thermal expansivity is little.The net tire that this material is usually first made with carbon fiber and net tire or carbon cloth and carbon cloth or net tire and carbon cloth are combined into carbon fabric perform by alternative stacked acupuncture, then precast body is put into the chemical gas phase reaction stove, the RESEARCH OF PYROCARBON of utilizing carbon-source gas cracking under high temperature to produce is carried out the chemical gas phase density to precast body, the prefabricated carbon fiber volume density is progressively increased and becomes carbon/carbon compound material.This material has now become one of the important foundation material in the fields such as aerospace, metallurgy, new forms of energy, is the ideal substitute of graphite product and high temperature steel.
At present, carbon/carbon compound material has been widely used in being used for making the thermal field part, as crucible, guide shell, heat-preservation cylinder, heating element, fastening piece etc. as the high temperature such as single crystal growing furnace, polycrystalline furnace field.
Application result shows, although the heat-preservation cylinder physical strength of carbon/carbon compound material preparation is high, thermal shock resistance and chemical stability good, its work-ing life is higher than the high purity graphite heat-preservation cylinder, yet, high temperature silicon steam (SiO
2And Si) impact in work-ing life on carbon/carbon composite material thermal insulation cylinder is very large.
In order to solve high temperature silicon steam to the impact of carbon/carbon compound material use properties, with regard to present technology, the most frequently used method is made top coat exactly, is mainly that the silicon based ceramic coating is (as SiC or MoSi
2Deng).But; because thermal expansivity between carbon/carbon composite material base body and SiC coating does not mate; the coating of preparation and the associativity of carbon/carbon composite material base body are relatively poor, easily come off in the rapid heat cycle process, can not protect for a long time carbon/carbon compound material not to be etched.
Number of patent application is 201210230688.3, the applying date is on July 5th, 2012, publication number is CN 102718535A, denomination of invention be carbon/carbon/composite material of silicon carbide and preparation method Patent Application Publication carbon/carbon of corroding of simple, the steam of anti-silicon of a kind of preparation technology/composite material of silicon carbide and preparation method.It is by adopting chemical vapor infiltration that it is carried out after RESEARCH OF PYROCARBON and silicon carbide replaces density or RESEARCH OF PYROCARBON and silicon carbide caballing to carbon fabric perform, then is prepared from after machining, purifying, and its density is 1.3g/ ㎝
3～2.5g/ ㎝
3, can effectively suppress silicon steam to the erosion of carbon/carbon/composite material of silicon carbide core carbon fiber, the carbon/carbon of preparation/composite material of silicon carbide flexural strength greater than 300MPa, is 2～5 times of carbon/carbon compound material, fracture toughness property 〉=15MPam
1/2, anti-silicon steam corrosion energy force rate carbon/carbon compound material is compared and has been improved 5～10 times, has increased substantially the work-ing life of carbon/carbon/composite material of silicon carbide, and simultaneously, its higher intensity also is conducive to improve the security of thermal field.
Summary of the invention
The purpose of this utility model is to provide the complex material heat preservation cylinder that a kind of steam of anti-silicon corrodes.
The utility model is to adopt following technical scheme to realize its goal of the invention, a kind of complex material heat preservation cylinder, and it comprises cylindrical shell, described cylindrical shell is processed into by carbon/carbon/composite material of silicon carbide.
Cylindrical shell described in the utility model is sandwich structure, namely formed by internal layer, middle layer and skin, thickness is 1.05 ㎜～450 ㎜, described internal layer, middle layer and outer by carbon/carbon/composite material of silicon carbide preparation, internal layer, outer field thickness are 0.45 ㎜～105 ㎜, and apparent density is 0.8g/cm
3～1.7g/cm
3, the thickness in middle layer is 0.15 ㎜～240 ㎜, apparent density is 0.15g/cm
3～1.1g/cm
3
For further increasing the anti-silicon steam corrosion ability of heat-preservation cylinder, the surface of the utility model internal layer is provided with coat of silicon carbide.
owing to adopting technique scheme, the utility model has been realized goal of the invention preferably, excellent bonding performance and silicon carbide intensity that the heat-preservation cylinder that is prepared by carbon/carbon/composite material of silicon carbide takes full advantage of between RESEARCH OF PYROCARBON and carbon fiber are high, the characteristics that resistance to corrosion is strong, make silicon carbide penetrate into fully carbon fiber substrate, guarantee the high bond strength of silicon carbide and carbon fiber substrate, intensity is higher than carbon/carbon compound material, and can effectively suppress silicon steam to the erosion of carbon/carbon/composite material of silicon carbide core carbon fiber, increased substantially the work-ing life of heat-preservation cylinder, simultaneously, its higher intensity also is conducive to improve the security of thermal field.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of complex material heat preservation cylinder, it comprises cylindrical shell, described cylindrical shell is processed into by carbon/carbon/composite material of silicon carbide.
Cylindrical shell described in the utility model is sandwich structure, namely formed by internal layer 1, middle layer 2 and outer 3, thickness is 1.05 ㎜～450 ㎜ (the present embodiment is 12.0 ㎜), described internal layer 1, middle layer 2 and outer 3 are by carbon/carbon/composite material of silicon carbide preparation, the thickness of internal layer 1, skin 3 is 0.45 ㎜～105 ㎜ (the present embodiment is 2.7 ㎜, 1.8 ㎜), and apparent density is 0.8g/cm
3～1.7g/cm
3(the present embodiment is 1.29 g/cm
3), the thickness in middle layer 2 is 0.15 ㎜～240 ㎜ (the present embodiment is 7.5 ㎜), apparent density is 0.15g/cm
3～1.1g/cm
3(the present embodiment is 0.54g/cm
3).
When the utility model prepares, first carbon fiber felt is wrapped in that on the heat-preservation cylinder mould, acupuncture is complex as internal layer 1, then be wound around acupuncture with the carbon fibre web tire on internal layer 1 and be complex as middle layer 2, then again be wound around acupuncture with carbon fiber felt on middle layer 2 and be complex as outer 3 one-tenth heat-preservation cylinder precast bodies; At last the heat-preservation cylinder precast body is carried out RESEARCH OF PYROCARBON to it and silicon carbide replaces the heat-preservation cylinder base substrate that density or RESEARCH OF PYROCARBON and silicon carbide caballing are necessary requirement through chemical vapor infiltration, then make carbon/carbon/composite material of silicon carbide heat-preservation cylinder after machining, purifying.
Again with the precast body base substrate,
Carbon/the carbon of the utility model preparation/composite material of silicon carbide heat-preservation cylinder, its over-all properties is better than graphite heat-preservation cylinder and carbon/carbon composite material thermal insulation cylinder, and anti-silicon steam corrosion energy force rate carbon/carbon compound material is compared and has been improved 5～10 times, the impurity that volatilizes in the polysilicon that prevents from melting enters from the interface gap and corrodes charcoal felt 4, guaranteed the stable of charcoal felt 4 heat-insulating properties, increased substantially the work-ing life of heat-preservation cylinder, and improved erosion resistibility, the corrosion resistance on heat-preservation cylinder surface, prevented that the heat-preservation cylinder surface from falling slag and falling piece.Simultaneously, its higher intensity security of also being conducive to improve thermal field.
Claims (3)
1. complex material heat preservation cylinder, it comprises cylindrical shell, it is characterized in that described cylindrical shell is processed into by carbon/carbon/composite material of silicon carbide.
2. complex material heat preservation cylinder according to claim 1, it is characterized in that described cylindrical shell is sandwich structure, namely formed by internal layer (1), middle layer (2) and outer (3), thickness is 1.05 ㎜～450 ㎜, described internal layer (1), middle layer (2) and outer (3) are by carbon/carbon/composite material of silicon carbide preparation, the thickness of internal layer (1), outer (3) is 0.45 ㎜～105 ㎜, and apparent density is 0.8g/cm
3～1.7g/cm
3, the thickness of middle layer (2) is 0.15 ㎜～240 ㎜, apparent density is 0.15g/cm
3～1.1g/cm
3
3. complex material heat preservation cylinder according to claim 2, the surface of its feature internal layer (1) is provided with coat of silicon carbide (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708988 CN203007155U (en) | 2012-12-20 | 2012-12-20 | Composite material insulating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220708988 CN203007155U (en) | 2012-12-20 | 2012-12-20 | Composite material insulating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007155U true CN203007155U (en) | 2013-06-19 |
Family
ID=48598768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220708988 Expired - Lifetime CN203007155U (en) | 2012-12-20 | 2012-12-20 | Composite material insulating cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722782A (en) * | 2013-09-11 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Ceramic matrix hybrid composite material and structure thereof |
| CN114105665A (en) * | 2021-10-29 | 2022-03-01 | 西安超码科技有限公司 | Light carbon/carbon composite material heat-insulating cylinder for crystalline silicon and preparation method thereof |
-
2012
- 2012-12-20 CN CN 201220708988 patent/CN203007155U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722782A (en) * | 2013-09-11 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Ceramic matrix hybrid composite material and structure thereof |
| CN103722782B (en) * | 2013-09-11 | 2016-01-27 | 太仓派欧技术咨询服务有限公司 | A kind of ceramic matrix hybrid composite material and structure thereof |
| CN114105665A (en) * | 2021-10-29 | 2022-03-01 | 西安超码科技有限公司 | Light carbon/carbon composite material heat-insulating cylinder for crystalline silicon and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413000 No. 2 Yingbin West Road, hi tech Zone, Hunan, Yiyang Patentee after: Hunan Jinbo Carbon Co.,Ltd. Address before: 413000 No. 2 Yingbin West Road, hi tech Zone, Hunan, Yiyang Patentee before: Hunan Jinbo Composite Material Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |