CN213772272U - Directional solidification crystal growth apparatus - Google Patents
Directional solidification crystal growth apparatus Download PDFInfo
- Publication number
- CN213772272U CN213772272U CN202022533733.5U CN202022533733U CN213772272U CN 213772272 U CN213772272 U CN 213772272U CN 202022533733 U CN202022533733 U CN 202022533733U CN 213772272 U CN213772272 U CN 213772272U
- Authority
- CN
- China
- Prior art keywords
- crucible
- temperature heater
- shell
- sealing
- crystal growth
- 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
- 239000013078 crystal Substances 0.000 title claims abstract description 16
- 238000007711 solidification Methods 0.000 title claims abstract description 10
- 230000008023 solidification Effects 0.000 title claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 29
- 239000011553 magnetic fluid Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000010453 quartz Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 238000011017 operating method Methods 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model relates to a crystal growth field especially relates to a directional solidification crystal growth equipment, has reduced the risk of producing the accident, has simplified operating procedure, has saved material cost. The crucible heating device comprises a housin, the casing in the bottom be equipped with low temperature heater, the low temperature heater upside be equipped with high temperature heater, the casing top be equipped with the upper cover, high temperature heater in be equipped with the crucible, the crucible tray is arranged in to the crucible bottom, crucible tray bottom and crucible bracing piece top fixed connection, the tip stretches out the casing and end connection rotary seal magnetic current body under and under the crucible bracing piece, be equipped with horizontal synchronous pulley on the motor shaft of rotary seal magnetic current body bottom and left side rotating electrical machines, the last hold-in range that is connected with of synchronous pulley, crucible bracing piece one side of rotary seal magnetic current body upside is connected with elevating system, thermocouple is connected to crucible tray bottom, the thermocouple downwardly extending to synchronous pulley central point puts and stretches out. The operation is simple, the use is convenient, and the device is suitable for various places.
Description
Technical Field
The utility model relates to a crystal production facility field specifically is a directional solidification crystal growth equipment.
Background
Most of existing crystal down growth furnaces adopt a quartz crucible, raw materials are put into the quartz crucible, the quartz crucible is vacuumized, then a quartz crucible opening is melted and sealed at high temperature by oxyhydrogen flame, and the quartz crucible needs to be broken and taken out every time a crystal grows. The crucible is sealed after the raw materials are filled in the quartz crucible, the crucible is sealed after being sealed and vacuumized, and the crucible filled with the raw materials is completely sealed, so that the condition of tube explosion can easily occur due to the rising of air pressure in the sealed crucible in the temperature rising process, and once the crucible is broken, the crucible is easily connected with the atmosphere and is burnt, so that the crucible is very dangerous and the crystal growth equipment is easily damaged.
As most of material growth processes need to be carried out in an oxygen-free atmosphere, a crucible for placing materials needs to be completely sealed and resistant to high temperature, a directional solidification crystal growth method is invented through a large number of experimental researches, the method does not need to completely seal the crucible for placing the raw materials, a layer of sealing device is added outside the crucible, and the crucible for placing the raw materials needs to be lifted and rotated simultaneously, so that the complete sealing difficulty is higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a directional solidification crystal growth equipment has solved the equipment of crucible descent method growth crystal, needs the sealed step of crucible to the material during technology at every turn, has reduced the risk of producing the accident in experiment or the production, has also saved material cost when having simplified operating procedure.
In order to achieve the above object, the utility model provides a following technical scheme: a directional solidification crystal growth apparatus, characterized by: comprises a shell, a low-temperature heater is arranged at the bottom in the shell, a high-temperature heater is arranged at the upper side of the low-temperature heater, the top of the shell is provided with an upper cover which is provided with a pressing clamp, the bottom of the upper cover is provided with a vertical quartz tube, the high-temperature heater is internally provided with a crucible, the bottom of the crucible is arranged in a crucible tray, the bottom of the crucible tray is fixedly connected with the top of a crucible supporting rod, the lower end part of the crucible supporting rod extends out of the shell and is connected with a rotary sealing magnetic fluid at the lower end part, a transverse synchronous belt wheel is arranged on a motor shaft of a rotary motor at the bottom of the rotary sealing magnetic fluid and the left side, a synchronous belt is connected onto the synchronous belt wheel, one side of the crucible supporting rod at the upper side of the rotary sealing magnetic fluid is connected with a lifting mechanism, the bottom of the crucible tray is connected with a thermocouple, the thermocouple extends downwards to the rotary magnetic fluid and extends out from the center of the synchronous belt wheel below, and the shell is further connected with a sealing mechanism.
Preferably, the sealing mechanism comprises a sealing adapter arranged between the crucible supporting rod and the shell bottom plate, and one side of the sealing adapter is connected with the vacuum pump through a vacuum pipeline.
Preferably, a heat dissipation area is arranged between the low-temperature heater and the high-temperature heater.
Preferably, the outer side of the shell is fixedly connected with the frame through a connecting block.
Preferably, a sealing rubber ring is arranged between the upper cover and the shell.
Compared with the prior art, the utility model provides a directional solidification crystal growth equipment possesses following beneficial effect:
1. the utility model discloses reduce the risk of producing the accident in experiment or the production, also saved material cost when having simplified operating procedure.
2. The utility model discloses the crucible of placing the raw materials need not be sealed completely, plays sealed effect through the casing in the crucible outside, and the crucible of placing the raw materials can realize going up and down simultaneously and rotate.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
The following are marked in the figure: 1. a vacuum pump; 2. a vacuum line; 3. a frame; 4. a quartz tube; 5. a high temperature heater; 6. a low temperature heater; 7. a housing; 71. connecting blocks; 8. an upper cover; 9. pressing pliers; 10. sealing the rubber ring; 11. a heat dissipation area; 12. a crucible supporting rod; 13. a thermocouple; 14. a sealing adaptor; 15. rotating the sealed magnetic fluid; 16. a rotating electric machine; 17. a synchronous pulley; 18. a lifting mechanism; 19. a synchronous belt; 20. a crucible tray; 21. a crucible is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a directional solidification crystal growth apparatus includes a housing 7, a low temperature heater 6 is disposed at the bottom of the housing 7, a high temperature heater 5 is disposed at the upper side of the low temperature heater 6, an upper cover 8 is disposed at the top of the housing 7, a pressing clamp 9 is disposed on the upper cover 8, a vertical quartz tube 4 is disposed at the bottom of the upper cover 8, a crucible 21 is disposed in the high temperature heater 5, the bottom of the crucible 21 is disposed in a crucible tray 20, the bottom of the crucible tray 20 is fixedly connected to the top of a crucible support rod 12, the lower end of the crucible support rod 12 extends out of the housing 7 and is connected to a rotary sealing magnetic fluid 15 at the lower end, a horizontal synchronous pulley 17 is disposed on a motor shaft of the rotary sealing magnetic fluid 15 and a left rotary motor 16, a synchronous belt 19 is connected to the synchronous pulley 17, one side of the crucible support rod 12 at the upper side of the rotary sealing magnetic fluid 15 is connected to a lifting mechanism 18 (prior art, as is well known to those skilled in the art, the structure of which is not described in detail), a thermocouple 13 is connected to the bottom of the crucible tray 20, the thermocouple 13 extends downward to the rotating magnetic fluid 15 and extends out from the center of the lower synchronous pulley 17, and the housing 7 is further connected with a sealing mechanism.
In the above embodiment, specifically, the sealing mechanism includes a sealing adapter 14 disposed between the crucible supporting rod 12 and the bottom plate of the housing 7, and one side of the sealing adapter 14 is connected to the vacuum pump 1 through the vacuum pipeline 2. The vacuum pumping function to the inside of the shell is facilitated.
In the above embodiment, specifically, the heat dissipation area 11 is disposed between the low temperature heater 6 and the high temperature heater 5. The heat dissipation of the shell is facilitated.
In the above embodiment, specifically, the outer side of the housing 7 is fixedly connected to the frame 3 through the connecting block 71. The stability of the whole structure is facilitated.
In the above embodiment, more specifically, a sealing rubber ring 10 is disposed between the upper cover 8 and the housing 7. The sealing function is achieved.
The working principle is as follows: the material is loaded into a corundum crucible 21 with a cover, the corundum crucible is placed on a crucible supporting rod 12, the crucible 21 is lowered into a hearth from the upper part of the device through a lifting mechanism 18, then an upper cover 8 is completely pressed by an upper pressing clamp 9, then the quartz tube 4 is sealed and vacuumized to reach the vacuum degree, the temperature rising process is started, the corundum crucible 21 is taken out after the process is finished, and the crystal is taken out after the upper cover 8 is opened.
The components used in the present invention are all common standard components or components known to those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Directional solidification crystal growth equipment, its characterized in that: comprises a shell, a low-temperature heater is arranged at the bottom in the shell, a high-temperature heater is arranged at the upper side of the low-temperature heater, the top of the shell is provided with an upper cover which is provided with a pressing clamp, the bottom of the upper cover is provided with a vertical quartz tube, the high-temperature heater is internally provided with a crucible, the bottom of the crucible is arranged in a crucible tray, the bottom of the crucible tray is fixedly connected with the top of a crucible supporting rod, the lower end part of the crucible supporting rod extends out of the shell and is connected with a rotary sealing magnetic fluid at the lower end part, a transverse synchronous belt wheel is arranged on a motor shaft of a rotary motor at the bottom of the rotary sealing magnetic fluid and the left side, a synchronous belt is connected onto the synchronous belt wheel, one side of the crucible supporting rod at the upper side of the rotary sealing magnetic fluid is connected with a lifting mechanism, the bottom of the crucible tray is connected with a thermocouple, the thermocouple extends downwards to the rotary magnetic fluid and extends out from the center of the synchronous belt wheel below, and the shell is further connected with a sealing mechanism.
2. The apparatus of claim 1, wherein: the sealing mechanism comprises a sealing adapter arranged between the crucible supporting rod and the shell bottom plate, and one side of the sealing adapter is connected with the vacuum pump through a vacuum pipeline.
3. The apparatus of claim 1, wherein: and a heat dissipation area is arranged between the low-temperature heater and the high-temperature heater.
4. The apparatus of claim 1, wherein: the outer side of the shell is fixedly connected with the frame through a connecting block.
5. The apparatus of claim 1, wherein: and a sealing rubber ring is arranged between the upper cover and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533733.5U CN213772272U (en) | 2020-11-05 | 2020-11-05 | Directional solidification crystal growth apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022533733.5U CN213772272U (en) | 2020-11-05 | 2020-11-05 | Directional solidification crystal growth apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213772272U true CN213772272U (en) | 2021-07-23 |
Family
ID=76914288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022533733.5U Active CN213772272U (en) | 2020-11-05 | 2020-11-05 | Directional solidification crystal growth apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213772272U (en) |
-
2020
- 2020-11-05 CN CN202022533733.5U patent/CN213772272U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201195763Y (en) | Polysilicon ingot furnace | |
| CN101968308B (en) | Crucible-lifting sintering furnace | |
| CN201892412U (en) | Sintering furnace with liftable crucible | |
| CN213772272U (en) | Directional solidification crystal growth apparatus | |
| CN108384978B (en) | Smelting heating equipment for noble metal and processing method of hard platinum | |
| CN214032224U (en) | Vacuum tube sealing device for quartz tube | |
| CN213020948U (en) | Metal smelting furnace | |
| CN103646837B (en) | Double gloves box intermediate frequency heating arc tube for ceramic metal halide lamp sealing apparatus | |
| CN102912428B (en) | A kind of drawing device of gem crystal and method thereof | |
| CN219752141U (en) | Quartz crucible preparation system | |
| CN209872799U (en) | Device of low energy consumption hot pressing production boron nitride base pottery | |
| CN215766518U (en) | False tooth fritting furnace | |
| CN201195767Y (en) | Polysilicon ingot furnace | |
| CN114951879A (en) | Low-temperature efficient vacuumizing sealing equipment and sealing process for vacuum cup | |
| CN211041773U (en) | Vacuum furnace with slide mechanism | |
| CN203530489U (en) | Polycrystalline silicon ingot furnace thermal field structure | |
| CN210748739U (en) | Tilting-type pressure boiling pot convenient to use | |
| CN220350052U (en) | Vacuum packaging machine | |
| CN214218546U (en) | High-purity optical quartz glass processing equipment | |
| CN2252819Y (en) | Te, Cd, Hg crystal heat treatment appts | |
| CN215896321U (en) | Epitaxial furnace with temperature field temperature stabilizing function | |
| CN217715867U (en) | Vacuum furnace | |
| CN211953679U (en) | Heat insulation device of high-temperature melting furnace | |
| CN201146166Y (en) | Semi-automatic long row vehicle | |
| CN213388354U (en) | Quartz glass automatic heating device |
Legal Events
| 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: 10-101, Jinan Changqing International Enterprise Port, No. 2222, South Section of Yuqing Road, Changqing District, Jinan City, Shandong Province, 250000 Patentee after: Shandong Jingsheng Electronic Technology Co.,Ltd. Country or region after: China Address before: Room 1120, 49 Lishan Road, Lixia District, Jinan City, Shandong Province Patentee before: Shandong Jingsheng Electronic Technology Co.,Ltd. Country or region before: China |