CN219032453U - Thermal insulation cylinder for silicon crystal growth - Google Patents
Thermal insulation cylinder for silicon crystal growth Download PDFInfo
- Publication number
- CN219032453U CN219032453U CN202223412175.2U CN202223412175U CN219032453U CN 219032453 U CN219032453 U CN 219032453U CN 202223412175 U CN202223412175 U CN 202223412175U CN 219032453 U CN219032453 U CN 219032453U
- Authority
- CN
- China
- Prior art keywords
- connecting section
- cylinder
- crystal growth
- section
- silicon crystal
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application relates to a heat preservation cylinder for silicon crystal growth, in particular to a silicon crystal growth device, which comprises a plurality of cylinders and connecting pieces for connecting two adjacent cylinders; the connecting piece includes upper junction, well junction and lower junction, and upper junction and the section of thick bamboo bottom dislocation concatenation of top barrel to connect through first fastener, lower junction and the section of thick bamboo top dislocation concatenation of below barrel, and connect through the second fastener, well junction connects upper junction and lower junction. By adopting the technical scheme, after a certain cylinder body is damaged, the cylinder body can be replaced, so that the utilization efficiency of the heat preservation cylinder is improved; the upper connecting section is spliced with the bottom of the upper cylinder body in a staggered manner and is connected with the top of the lower cylinder body through a first fastener, and the lower connecting section is spliced with the top of the lower cylinder body in a staggered manner and is connected through a second fastener, so that the integrity of the heat-insulating cylinder is improved, and the adjacent cylinder bodies are prevented from falling off in the use process.
Description
Technical Field
The application relates to the technical field of silicon crystal growth devices, in particular to a heat preservation cylinder for silicon crystal growth.
Background
The single crystal furnace thermal field system has great influence on the single crystal yield, the pulling speed and the quality of single crystal rods, and for silicon single crystal production enterprises, the silicon material utilization rate is improved, the unit energy consumption is reduced, the production efficiency is improved, and the production cost is reduced, so that the thermal field system design and the selection and the use of key elements in a thermal field are paid attention to. The heat preservation cylinder is one of key elements of a thermal field system of the silicon single crystal furnace, and is mainly used for reducing heat loss and controlling the temperature gradient of the thermal field.
The heat preservation cylinder is generally made of graphite or carbon, and the carbon is currently the main stream material; in order to bring the maximum value of the waste heat-insulating cylinder scrapped due to deformation in use into play, the undeformed area of the waste heat-insulating cylinder is generally recycled, and the undeformed area is mainly cut into blocks for splicing at present, but after the annular heat-insulating cylinder is cut into blocks, the circular splicing is difficult, the working procedure is complex, and the utilization rate is low.
Disclosure of Invention
The utility model aims at providing a heat preservation section of thick bamboo for silicon crystal growth solves the difficult technical problem who recycles of current heat preservation section of thick bamboo after local damage.
In a first aspect, the present application provides a thermal insulation barrel for silicon crystal growth, which adopts the following technical scheme:
the heat preservation cylinder for silicon crystal growth comprises a plurality of cylinders and connecting pieces for connecting two adjacent cylinders; the connecting piece includes upper connecting section, well connecting section and lower connecting section, upper connecting section and the bottom of a cylinder of top barrel misplaced splice to connect through first fastener, lower connecting section and the top of a cylinder of below misplaced splice, and connect through the second fastener, well connecting section connects upper connecting section and lower connecting section.
By adopting the technical scheme, the heat preservation cylinder is formed by connecting the plurality of cylinders through the connecting piece, so that a certain block can be replaced after being damaged, the whole replacement caused by local damage is avoided, and the utilization efficiency of the heat preservation cylinder is improved; meanwhile, complex operation of recombining and rounding the broken blocks is avoided; the upper connecting section is spliced with the bottom of the upper cylinder body in a staggered manner and is connected with the top of the lower cylinder body through a first fastener, and the lower connecting section is spliced with the top of the lower cylinder body in a staggered manner and is connected with the top of the lower cylinder body through a second fastener, so that the integrity of the heat-insulating cylinder is improved, and the adjacent cylinder bodies are prevented from falling off in the use process.
Optionally, the first fastener and the second fastener are set as screws, and are made of carbon-carbon materials.
Through adopting above-mentioned technical scheme, use the screw be convenient for operate, adopt with the same carbon material of heat preservation section of thick bamboo, can avoid the screw to cause the pollution to the heat preservation section of thick bamboo, guarantee the integrative performance of heat preservation section of thick bamboo to avoid causing the influence to follow-up crystal pulling.
Optionally, the well linkage segment level sets up, go up linkage segment, lower linkage segment perpendicular to well linkage segment setting, the section of thick bamboo wall of two barrels that are connected with the connecting piece hugs closely with last linkage segment, lower linkage segment respectively, and the bottom of top barrel hugs closely with the upper surface of well linkage segment, and the top of below barrel hugs closely with the lower surface of well linkage segment.
Through adopting above-mentioned technical scheme, go up the linkage segment, down the linkage segment is spacing to the barrel of upper and lower side respectively, prevents in the installation and the later stage use that barrel and connecting piece from coming off to hug closely through last linkage segment, lower linkage segment and the section of thick bamboo wall of barrel, improve sealing performance.
Optionally, the well linkage segment is inclined to the horizontal direction setting, and the section of thick bamboo wall of two barrels that are connected with the connecting piece is parallel arrangement and hugs closely with last linkage segment, lower linkage segment respectively.
By adopting the technical scheme, the difficulty in butt joint of the cylinder body with the upper connecting section and the lower connecting section is reduced, and when the connecting pieces are stacked and placed, the connecting pieces are not easy to slide, so that the storage is convenient; after the connecting piece is in butt joint with the cylinder body, the cylinder body is not easy to slide with the connecting piece in the radial direction, so that the probability of later loosening of the fastener is reduced.
Optionally, an upper groove for accommodating the lower connecting section is formed in the top of the cylinder, and the thickness of the upper groove is equal to that of the lower connecting section; the bottom of barrel is provided with the lower recess that holds the linkage segment, and thickness and the thickness of lower linkage segment are equal.
By adopting the technical scheme, the connecting piece between the two cylinders does not protrude from the inner wall and the outer wall of the cylinder, so that the influence of the protruding part on later use is avoided; meanwhile, the connecting piece and the barrel are prevented from being broken due to collision of the protruding parts; the absence of the projection can reduce the probability of collision in the axial direction.
Optionally, the top end and the bottom end of the cylinder are provided with cylinder inclined planes, and one side of the upper connecting section and the lower connecting section, which is far away from the middle connecting section, is provided with a connecting inclined plane matched with the cylinder inclined plane; and the thickness of the upper connecting section, the middle connecting section and the lower connecting section is equal to that of the cylinder body.
By adopting the technical scheme, grooves are not required to be formed in the top end and the bottom end of the cylinder body, the cylinder body is directly ground into an inclined plane, the operation is convenient, and the connection of the cylinder body and the connecting piece can be realized without protruding parts; this kind of setting can be very big promote the intensity of connecting piece self, prevent that upper junction, lower junction thickness are thinner and fracture easily, and thicker can cause the bulge higher, influence the use, can influence the intensity of barrel if the barrel sets up the recess.
Optionally, the upper connecting section and the lower connecting section are provided with the spacing arch that protrudes in this side far away from well connecting section one side, the top and the bottom of barrel are provided with spacing protruding complex spacing recess.
Through adopting above-mentioned technical scheme, carry out spacingly on axial direction of rotation to barrel and connecting piece, prevent to take place to rotate at the butt joint in-process, be difficult for aiming at the screw hole, and rotate in the later stage use and can influence sealing performance and fastening performance.
Optionally, the limiting protrusion is configured as a hemisphere.
By adopting the technical scheme, the butt joint is convenient, and the butt joint can be automatically aligned under the action of gravity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the heat preservation cylinder is formed by connecting a plurality of cylinders through the connecting piece, so that a certain block can be replaced after being damaged, the whole replacement caused by local damage is avoided, and the utilization efficiency of the heat preservation cylinder is improved;
2. when the connecting pieces are used for splicing the plurality of cylinders to obtain the heat-insulating barrels with different heights, the shapes of all the heat-insulating barrels are consistent, namely, the cylinders are spliced by adopting the cylinders with one shape and the connecting pieces, so that the working procedures of manufacturing the heat-insulating barrels are reduced;
3. through first fastener connection, the section of thick bamboo top dislocation concatenation of lower linkage segment and below barrel to connect through the second fastener, improve the wholeness of heat preservation section of thick bamboo, prevent to drop between the adjacent barrel in the use.
Drawings
FIG. 1 is a schematic overall structure of embodiment X of the present application;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic diagram of an exploded structure of embodiment X of the present application;
FIG. 4 is a schematic cross-sectional view of embodiment X of the present application;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 6 is a schematic diagram of an exploded structure of embodiment X of the present application;
FIG. 7 is a schematic cross-sectional view of embodiment X of the present application;
in the figure, 11, a cylinder; 12. an upper groove; 13. a lower groove; 15. A limit groove; 2. a connecting piece; 21. an upper connecting section; 22. a middle connecting section; 23. a lower connecting section; 25. a limit protrusion; 31. a first fastener; 32. and a second fastener.
Detailed Description
The present application is described in further detail below with reference to fig. 1-7.
Example 1
A heat preservation cylinder for silicon crystal growth, referring to fig. 1-3, comprises a plurality of cylinder bodies 11 and a connecting piece 2 for connecting two adjacent cylinder bodies 11; the connecting piece 2 comprises an upper connecting section 21, a middle connecting section 22 and a lower connecting section 23, wherein the middle connecting section 22 is connected with the upper connecting section 21 and the lower connecting section 23, the middle connecting section 22 is horizontally arranged, the upper connecting section 21 and the lower connecting section 23 are perpendicular to the middle connecting section 22, the cylinder walls of two cylinder bodies 11 connected with the connecting piece 2 are respectively clung to the upper connecting section 21 and the lower connecting section 23, the bottom of the upper cylinder body 11 is clung to the upper surface of the middle connecting section 22, and the top of the lower cylinder body 11 is clung to the upper surface of the middle connecting section 22; the upper connecting section 21 is connected with the bottom of the upper cylinder 11 through a first fastener 31, and the lower connecting section 23 is connected with the top of the lower cylinder 11 through a second fastener 32.
On the basis of the above technical solution, in order to reduce the influence of the protruding portion of the connecting piece 2 relative to the inner and outer walls of the cylinder 11 on the storage, transportation and later use of the insulation cylinder, the top of the cylinder 11 is provided with an upper groove 12 for accommodating the lower connecting section 23, and the thickness of the upper groove is equal to that of the lower connecting section 23, referring to fig. 4; the bottom of the cylinder 11 is provided with a lower groove 13 for accommodating the upper connecting section 21, and the thickness of the lower groove is equal to that of the lower connecting section 23; through the design of upper groove 12 and lower groove 13, with connecting piece 2 for the bulge of barrel 11 inner and outer wall greatly reduced, only fastening screw can have the bulge, and this place can make the tip of screw not bulge in barrel 11 inner and outer wall through seting up the screw groove at barrel 11, connecting piece 2 surface, and this scheme is known to the person skilled in the art, and the details are omitted here.
The implementation principle of the embodiment of the application is as follows: a connecting piece 2 is placed between the two cylinders 11, the upper connecting section 21 is in butt joint with the bottom of the cylinder 11 above, the lower connecting section 23 is in butt joint with the top of the cylinder 11 below, and the connecting pieces are fixedly connected one by one through screws; therefore, the heat-insulating cylinder is assembled, if a certain block is damaged in subsequent use, the damaged cylinder 11 is detached from the connecting piece 2 at the upper part and the lower part, and the cylinder 11 which is replaced is assembled, so that the heat-insulating cylinder can be continuously used.
Example 2
A heat-insulating cylinder for silicon crystal growth, referring to fig. 5, differs from example 1 in that: in the embodiment, the middle connecting section 22 of the connecting piece 2 is arranged obliquely to the horizontal direction, and the cylinder walls of the two cylinder bodies 11 connected with the connecting piece 2 are respectively arranged in parallel with and clung to the upper connecting section 21 and the lower connecting section 23; the difficulty in butt joint of the cylinder 11 with the upper connecting section 21 and the lower connecting section 23 is reduced, and when the connecting pieces 2 are stacked, the connecting pieces 2 are not easy to slide, so that the storage is convenient; after the connecting piece 2 is in butt joint with the cylinder 11, the cylinder 11 is not easy to slide radially with the connecting piece 2, so that the probability of later loosening of the fastener is reduced.
On the basis of the above technical solution, in order to reduce the influence of the protruding portion of the connecting piece 2 relative to the inner and outer walls of the cylinder 11 on the storage, transportation and later use of the insulation cylinder, the top of the cylinder 11 is provided with an upper groove 12 for accommodating the lower connecting section 23, and the thickness of the upper groove is equal to that of the lower connecting section 23, referring to fig. 6; the bottom of the cylinder 11 is provided with a lower groove 13 for accommodating the upper connecting section 21, and the thickness of the lower groove is equal to that of the lower connecting section 23.
Example 3
A heat-insulating cylinder for silicon crystal growth, referring to fig. 7, differs from example 1 in that: the top and bottom ends of the cylinder 11 are provided with cylinder inclined surfaces, and one side of the upper connecting section 21 and the lower connecting section 23, which is far away from the middle connecting section 22, is provided with a connecting inclined surface matched with the cylinder inclined surface; and the thickness of the upper connecting section 21, the middle connecting section 22 and the lower connecting section 23 is equal to the thickness of the cylinder 11.
In the present embodiment, there is no need to open the upper groove 12 and the lower groove 13 to lower the protruding portion as in embodiment 1 and embodiment 2; in the embodiment, the top end and the bottom end of the cylinder 11 are set as cylinder inclined planes, and one side of the upper connecting section 21 and the lower connecting section 23, which is far away from the middle connecting section 22, is set as a connecting inclined plane matched with the cylinder inclined plane, namely, the connection of the cylinder and the connecting piece can be realized without a protruding part; and has the advantage of providing the middle connecting section 22 in embodiment 2; meanwhile, due to the inclined arrangement of the cylinder 11, the upper connecting section 21 and the lower connecting section 23, the connection strength among the upper connecting section 21, the lower connecting section 23 and the middle connecting section 22 is greatly enhanced; and when the intensity is lower, the damaged tip has a small damage range, the influence on the tightness between the cylinder 11 and the connecting piece 2 is small, so that the cylinder 11 and the connecting piece 2 are not easy to damage, the preparation, storage and disassembly difficulties are reduced, and the operation requirements on workers are reduced.
The following modifications were made on the basis of example 1, example 2 and example 3: the first fastening piece 31 and the second fastening piece 32 are preferably screws, and are made of carbon materials which are the same as the heat insulation cylinder; the screw is convenient for fasten the operation, adopts the carbon material and can avoid the heat preservation section of thick bamboo to receive the pollution to connecting piece 2 also adopts the carbon material.
A limiting protrusion 25 protruding out of the side of the upper connecting section 21 and the lower connecting section 23 far away from the middle connecting section 22 is arranged at the side, and limiting grooves 15 matched with the limiting protrusion 25 are arranged at the top end and the bottom end of the cylinder 11; limiting the cylinder 11 and the connecting piece 2 in the axial rotation direction, preventing rotation in the butt joint process, ensuring that the threaded holes are not easy to align, and ensuring that the sealing performance and the fastening performance are affected by rotation in the later use process; the spacing protruding 25 is preferably set to hemispherical, is convenient for dock, as long as the pointed end of spacing protruding 25 gets into spacing recess 15 regional in, can align voluntarily under the effect of gravity, has reduced the operation degree of difficulty.
The limiting protrusion 25 is arranged on the connecting piece 2, the limiting groove 15 is formed in the barrel 11, the fact that the limiting protrusion 25 needs to be integrally formed with the carrier is considered, the limiting groove 15 is formed in the later stage, the limiting protrusion 25 is easy to wear compared with the limiting groove 15, and the weight of the barrel 11 is larger than that of the connecting piece 2, so that if the limiting protrusion 25 is arranged on the barrel 11, the situation that the limiting protrusion 25 is worn easily occurs in stacking of the barrel 11, the later use is influenced, and the sealing performance between the barrel 11 and the connecting piece 2 is affected. Considering comprehensively, the limit protrusion 25 and the connecting piece 2 are preferably integrally formed.
The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The heat preservation cylinder for silicon crystal growth is characterized by comprising a plurality of cylinder bodies (11) and connecting pieces (2) for connecting two adjacent cylinder bodies (11); the connecting piece (2) comprises an upper connecting section (21), a middle connecting section (22) and a lower connecting section (23), wherein the upper connecting section (21) is spliced with the bottom of the upper cylinder body (11) in a staggered manner and is connected with the top of the lower cylinder body (11) through a first fastening piece (31), the lower connecting section (23) is spliced with the top of the lower cylinder body (11) in a staggered manner and is connected with the middle connecting section (22) through a second fastening piece (32), and the middle connecting section (22) is connected with the upper connecting section (21) and the lower connecting section (23).
2. The heat-insulating cylinder for silicon crystal growth according to claim 1, wherein the connecting member (2), the first fastening member (31) and the second fastening member (32) are all made of carbon-carbon materials.
3. The heat preservation cylinder for silicon crystal growth according to claim 1, wherein the middle connecting section (22) is horizontally arranged, the upper connecting section (21) and the lower connecting section (23) are perpendicular to the middle connecting section (22), the cylinder walls of the two cylinders (11) connected with the connecting piece (2) are respectively clung to the upper connecting section (21) and the lower connecting section (23), the bottom of the upper cylinder (11) is clung to the upper surface of the middle connecting section (22), and the top of the lower cylinder (11) is clung to the lower surface of the middle connecting section (22).
4. The heat-insulating cylinder for silicon crystal growth according to claim 1, wherein the middle connecting section (22) is arranged obliquely to the horizontal direction, and the cylinder walls of the two cylinders (11) connected with the connecting piece (2) are respectively arranged in parallel with and closely attached to the upper connecting section (21) and the lower connecting section (23).
5. The heat-insulating cylinder for silicon crystal growth according to claim 3 or 4, wherein the top of the cylinder (11) is provided with an upper groove (12) accommodating the lower connecting section (23), and the thickness is equal to the thickness of the lower connecting section (23); the bottom of the cylinder body (11) is provided with a lower groove (13) for accommodating the upper connecting section (21), and the thickness of the lower groove is equal to that of the lower connecting section (23).
6. The heat-insulating cylinder for silicon crystal growth according to claim 1, wherein a top end and a bottom end of the cylinder (11) are provided with cylinder inclined surfaces (), and a side of the upper connecting section (21) and the lower connecting section (23) away from the middle connecting section (22) is provided with a connecting inclined surface (); and the thickness of the upper connecting section (21), the middle connecting section (22) and the lower connecting section (23) is equal to the thickness of the cylinder body (11).
7. The heat-insulating cylinder for silicon crystal growth according to claim 3, 4 or 6, wherein a side of the upper connecting section (21) and the lower connecting section (23) away from the middle connecting section (22) is provided with a limit projection (25) protruding from the side, and the top end and the bottom end of the cylinder (11) are provided with limit grooves (15) matched with the limit projection (25).
8. The heat-insulating cylinder for silicon crystal growth according to claim 7, wherein the limit projection (25) is provided in a hemispherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412175.2U CN219032453U (en) | 2022-12-20 | 2022-12-20 | Thermal insulation cylinder for silicon crystal growth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412175.2U CN219032453U (en) | 2022-12-20 | 2022-12-20 | Thermal insulation cylinder for silicon crystal growth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219032453U true CN219032453U (en) | 2023-05-16 |
Family
ID=86278967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223412175.2U Active CN219032453U (en) | 2022-12-20 | 2022-12-20 | Thermal insulation cylinder for silicon crystal growth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219032453U (en) |
-
2022
- 2022-12-20 CN CN202223412175.2U patent/CN219032453U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3667079A1 (en) | Hybrid wind power tower based on edge-stiffened combined shells | |
| CN219032453U (en) | Thermal insulation cylinder for silicon crystal growth | |
| CN205036513U (en) | Can carry high joining strength's a fan tower section of thick bamboo | |
| CN111623046A (en) | Flange plate convenient to mount and capable of preventing deviation | |
| CN113731614A (en) | High-efficiency energy-saving dynamic and static ring | |
| CN202791999U (en) | Material return wind cap structure | |
| CN215917741U (en) | High-efficiency energy-saving dynamic and static ring | |
| CN221259594U (en) | Novel heat accumulator with uniform heat accumulation | |
| CN217883009U (en) | Vertical generator thrust tile fastening structure | |
| CN112391673A (en) | Main heater for single crystal furnace | |
| CN220812695U (en) | Heater for stably connecting heating rod | |
| CN207595816U (en) | A kind of annular shelf pedestal | |
| CN207988632U (en) | Novel flexible flange structure with cut opening | |
| CN207325001U (en) | Twin-shaft crusher split knife | |
| CN201507566U (en) | Coupling applied on fiberizer | |
| CN215100097U (en) | Rotary mechanism of product design processing module | |
| CN219404115U (en) | Disassembling tool for wedge block of turbine device | |
| CN202595334U (en) | Pressure-releasing type graphite crucible | |
| CN218935657U (en) | Antistatic compensator | |
| CN215950748U (en) | High-temperature furnace smoke metal compensator not easy to damage | |
| CN215560816U (en) | Novel heat shield outer container for single crystal furnace | |
| CN215596698U (en) | Nonmetal compensator that good security performance of leakproofness is high | |
| CN219190618U (en) | Concrete tower section of thick bamboo door opening mould | |
| CN203639429U (en) | Spiral shaft for coal feeders | |
| CN202247011U (en) | Crystal growth composite crucible |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |