CN215560808U - Bottom structure stabilizing device for sapphire furnace - Google Patents
Bottom structure stabilizing device for sapphire furnace Download PDFInfo
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- CN215560808U CN215560808U CN202122252677.2U CN202122252677U CN215560808U CN 215560808 U CN215560808 U CN 215560808U CN 202122252677 U CN202122252677 U CN 202122252677U CN 215560808 U CN215560808 U CN 215560808U
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Abstract
The utility model discloses a bottom structure stabilizing device for a sapphire furnace, which comprises a furnace body, a cover body, a first heat insulator, a second heat insulator, a side heating element, a bottom heating element, a separating cylinder, a first heat insulation layer, a second heat insulation layer, a third heat insulation layer, a bottom support, a cooling device and a movable base, wherein the cover body is arranged on the furnace body; the cooling device is arranged in the first heat-insulating layer, the second heat-insulating layer, the third heat-insulating layer and the bottom support; and the third heat-insulating layer is arranged on the movable base. Because the temperature must be reduced due to the problems of seed crystals in the sapphire growth stage, and the situation of furnace disassembly happens occasionally, the cooling device is arranged in the heat-insulating layer, so that the time required for troubleshooting is greatly reduced.
Description
Technical Field
The utility model relates to a bottom structure stabilizing device for a sapphire furnace, and belongs to the technical field of crystal processing equipment.
Background
Sapphire crystal is a simple coordination type oxide crystal. The sapphire crystal has very stable chemical properties, is generally insoluble in water and is not corroded by acid and alkali, can be corroded by hydrogen fluoacid, phosphoric acid and molten potassium hydroxide only at a higher temperature, such as 300 ℃, has better physical properties, has very high hardness, is nine grades of Mohs hardness, is next to the hardest diamond, has good light transmittance and electrical insulation, has good mechanical properties, has the characteristics of wear resistance and wind erosion resistance, and has the melting point of 2050 ℃, the boiling point of 3500 ℃ and the highest working temperature of 1900 ℃. Therefore, sapphire crystal is widely applied to the fields of scientific technology, national defense and civil industry, electronic technology and the like as an important technical crystal. The method for artificially cultivating the sapphire for growth mainly comprises the following steps: the Czochralski method, the inverse model method, the kyropoulos method, the heat exchange method and the like, wherein the kyropoulos method growth system has the optimal temperature gradient suitable for the growth of the sapphire crystal, and the sapphire crystal is not contacted with a crucible in the process or at the end of the growth of the sapphire crystal, so that the stress is greatly reduced, and the high-quality large crystal can be obtained, thereby being the mainstream method for the growth of the sapphire crystal at present.
Chinese patent publication No. CN206328489U discloses a sapphire furnace heat-insulating structure, which relates to the technical field of crystal processing equipment and comprises a container for holding sapphire crystals, a heating body, a first heat-insulating layer and a second heat-insulating layer; the heating body is connected to the outer side of the container to heat the side wall and the bottom of the container simultaneously; the first heat-insulating layer is a heat-insulating layer with a zirconia fiberboard and is arranged on the outer side of the heating body; the second heat-insulating layer is a heat-insulating layer with zirconia heat-insulating bricks and is arranged at the bottom of the heating body. The problems that in the prior art, tungsten and molybdenum are adopted as a heat insulation layer of a furnace body, the heat insulation effect is poor, and the temperature field distribution in the furnace is unstable are solved, and the effect of generating a temperature gradient suitable for sapphire growth in the furnace is achieved by adopting a zirconia heat insulation layer.
But the sapphire stove of publishing among the prior art has sapphire growth stage because the seed crystal goes wrong, leads to cooling down, the problem that takes place occasionally in the condition of tearing the stove open, and the general inside high temperature of sapphire stove among the prior art, difficult cooling easily appears because wait for the cooling time, leads to troubleshooting time greatly increased.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, it is an object of the present invention to provide a bottom structure stabilizing apparatus for a sapphire furnace.
The utility model provides the following technical scheme:
a bottom structure stabilizing device for a sapphire furnace comprises a furnace body, a cover body, a first heat insulator, a second heat insulator, a side heating element, a bottom heating element, a separating cylinder, a first heat insulation layer, a second heat insulation layer, a third heat insulation layer and a bottom support, wherein the cover body is arranged on the furnace body; the furnace body is arranged in the side heating body; the first heat insulator is arranged in the side heating body and on the cover body; the furnace body is arranged on the bottom heating element, a heat insulator is arranged in the bottom heating element, and the bottom heating element is arranged on the second heat insulator; the side heating element, the bottom heating element and the second heat insulator are all arranged in the separating cylinder; the first heat-insulating layer is arranged outside the separation cylinder; the second heat-insulating layer is arranged outside the first heat-insulating layer; the third heat-insulating layer is arranged at the outer bottom of the separating cylinder and is arranged on the second heat-insulating layer; the bottom support penetrates through the bottom heating body, the heat insulator and the heat insulator II, and is arranged on the heat insulating layer III;
the bottom structure stabilizing device also comprises a cooling device and a movable base, wherein the cooling device is arranged in the first heat-insulating layer, the second heat-insulating layer, the third heat-insulating layer and the bottom support; and the third heat-insulating layer is arranged on the movable base.
Specifically, the cooling device comprises a first cooling body channel, a second cooling body channel, a third cooling body channel, a first cooling body inlet, a second cooling body inlet, a three-way pipe and an electromagnetic valve; a first cooling body channel is arranged between the first heat-insulating layer and the second heat-insulating layer; a cooling body channel II is arranged on one side of the heat-insulating layer III, which is close to the separating cylinder; a cooling body channel III is arranged in the bottom support; the cooling body inlet is communicated with the cooling body channel I; the second cooling body inlet is communicated with the second cooling body channel and the third cooling body channel; the three-way pipe is arranged on the first cooling body inlet and the second cooling body inlet, and a liquid nitrogen inlet is formed in the three-way pipe; and the electromagnetic valve is arranged on the liquid nitrogen inlet.
Specifically, the movable base comprises a supporting seat and a roller; the third heat-insulating layer is arranged on the supporting seat; the roller is arranged below the supporting seat.
Specifically, the three-way pipe is detachable.
Specifically, the rollers are horizontal adjustment caster wheels, and the number of the rollers is four.
Specifically, the side heating element, the bottom heating element and the electromagnetic valve are externally connected with a control panel.
The utility model has the beneficial effects that:
1. because the temperature must be reduced due to the problems of seed crystals in the sapphire growth stage, and the situation of furnace disassembly happens occasionally, the cooling device is arranged in the heat-insulating layer, so that the time required for troubleshooting is greatly reduced.
2. Because certain axial gradient and radial gradient are needed in the growth process of the crystal, the sapphire furnace with the double-heating-body structure is provided, and a reliable temperature field structure is created for the growth of the sapphire crystal with large scale size.
3. The movable base is designed, so that the whole sapphire furnace can be conveniently moved and taken out by workers, and the horizontal adjusting trundles are utilized by the device, so that the movable base can be stably fixed by the horizontal adjusting trundles when the workers need to stop.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic view of the internal structure of the present invention.
Labeled as: 1. a side heating element; 2. a thermal insulator; 3. a cover body; 4. a furnace body; 5. a separation cylinder; 6. a second heat-insulating layer; 7. a first heat insulation layer; 8. a bottom heating element; 9. a thermal insulator; 10. a cooling device; 11. a bottom support; 12. moving the base; 13. a third heat-insulating layer; 14. a second insulator;
1001. a first cooling body channel; 1002. a second cooling body channel; 1003. a cooling body channel III; 1004. a first cooling body inlet; 1005. a second cooling body inlet; 1006. a three-way pipe; 1007. an electromagnetic valve;
1201. a supporting seat; 1202. and a roller.
Detailed Description
As shown in fig. 1, a bottom structure stabilizing device for a sapphire furnace comprises a furnace body 4, a cover body 3, a first heat insulator 2, a second heat insulator 14, a heat insulator 9, a side heating element 1, a bottom heating element 8, a separating cylinder 5, a first heat-insulating layer 7, a second heat-insulating layer 6, a third heat-insulating layer 13, a bottom support 11 and the cover body 3 arranged on the furnace body 4; the furnace body 4 is arranged in the side heating body 1; the first heat insulator 2 is arranged in the side heating element 1 and is arranged on the cover body 3; the furnace body 4 is arranged on a bottom heating element 8, a heat insulator 9 is arranged in the bottom heating element 8, and the bottom heating element 8 is arranged on a second heat insulator 14; the side heating element 1, the bottom heating element 8 and the second heat insulator 14 are all arranged in the separating cylinder 5; the first insulating layer 7 is arranged outside the separation cylinder 5; the second heat-insulating layer 6 is arranged outside the first heat-insulating layer 7; the third heat-insulating layer 13 is arranged at the outer bottom of the separation cylinder 5, and the third heat-insulating layer 13 is arranged on the second heat-insulating layer 6; the bottom support 11 passes through the bottom heating body 8, the heat insulator 9 and the second heat insulator 14, and the bottom support 11 is arranged on the third heat insulator 13.
The side surface heating body 1 is not provided with a bottom surface so as to be taken out conveniently.
The first heat-insulating layer 7, the second heat-insulating layer 6 and the third heat-insulating layer 13 are all made of zirconia fibers. The wall of the separation cylinder 5 is spliced by adopting a plurality of layers of molybdenum sheets. The first heat insulator 2 is spliced by adopting a plurality of layers of molybdenum sheets; the second heat insulator 14 is spliced by adopting a plurality of layers of tungsten sheets and molybdenum sheets at intervals.
The bottom structure stabilizing device further comprises a cooling device 10 and a moving base 12. The cooling device 10 is arranged in the first heat-insulating layer 7, the second heat-insulating layer 6, the third heat-insulating layer 13 and the bottom support 11; the third insulating layer 13 is arranged on the movable base 12.
Specifically, the cooling device 10 includes a first cooling body channel 1001, a second cooling body channel 1002, a third cooling body channel 1003, a first cooling body inlet 1004, a second cooling body inlet 1005, a three-way pipe 1006 and an electromagnetic valve 1007; a first cooling body channel 1001 is arranged between the first heat-insulating layer 7 and the second heat-insulating layer 6; a cooling body channel II 1002 is arranged on one side of the heat-insulating layer III 13 close to the separation cylinder 5; a third cooling body channel 1003 is arranged in the bottom support 11; a first cooling body inlet 1004 is communicated with the first cooling body channel 1001; a second cooling body inlet 1005 is communicated with the second cooling body channel 1002 and the third cooling body channel 1003; a three-way pipe 1006 is arranged on the first cooling body inlet 1004 and the second cooling body inlet 1005, a liquid nitrogen inlet 1006 is arranged on the three-way pipe 1006, and the three-way pipe 1006 is detachable; a solenoid valve 1007 is mounted on the liquid nitrogen inlet 1006.
Specifically, the movable base 12 includes a support base 1201 and rollers 1202. The third heat-insulating layer 13 is arranged on the supporting seat 1201; rollers 1202 are installed under the supporting base 1201, the rollers 1202 are horizontal adjustment casters, and the number of the rollers 1202 is four.
The side heating element 1, the bottom heating element 8 and the electromagnetic valve 1007 are externally connected with a control panel; the control panel is internally provided with a PLC (programmable logic controller) which can program a numerical control system, the PLC is used as a central control system, and the touch screen is used for realizing the program input and the operation control of the whole machine and realizing the automation of the whole processing process. The control system can be used as a system for connecting each execution element to move according to a logic track, and the execution elements are controlled to operate according to the required operation steps through programming.
The working principle of the utility model is as follows:
when the worker finds that the seed crystals in the sapphire growth stage have problems, the control panel is controlled to open the electromagnetic valve 1007, liquid nitrogen is introduced from the liquid nitrogen inlet 1006 and is introduced into the cooling body channel I1001, the cooling body channel II 1002 and the cooling body channel III 1003, so that the sapphire furnace is rapidly cooled, and the time required for troubleshooting is shortened.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A bottom structure stabilizing device for a sapphire furnace comprises a furnace body (4), a cover body (3), a first heat insulator (2), a second heat insulator (14), a heat insulator (9), a side heating body (1), a bottom heating body (8), a separating cylinder (5), a first heat-insulating layer (7), a second heat-insulating layer (6), a third heat-insulating layer (13) and a bottom support (11), wherein the cover body (3) is arranged on the furnace body (4); the furnace body (4) is arranged in the side heating body (1); the first heat insulator (2) is arranged in the side heating element (1) and is arranged on the cover body (3); the furnace body (4) is arranged on the bottom heating element (8), a heat insulator (9) is arranged in the bottom heating element (8), and the bottom heating element (8) is arranged on the second heat insulator (14); the side heating element (1), the bottom heating element (8) and the second heat insulator (14) are all arranged in the separating cylinder (5); the first heat-insulating layer (7) is arranged outside the separation cylinder (5); the second heat-insulating layer (6) is arranged outside the first heat-insulating layer (7); the third heat-insulating layer (13) is arranged at the outer bottom of the separating cylinder (5), and the third heat-insulating layer (13) is arranged on the second heat-insulating layer (6); the bottom support (11) penetrates through the bottom heating body (8), the heat insulator (9) and the second heat insulator (14), and the bottom support (11) is installed on the third heat insulation layer (13);
it is characterized by also comprising
The cooling device (10) is arranged in the first heat-insulating layer (7), the second heat-insulating layer (6), the third heat-insulating layer (13) and the bottom support (11);
and the heat-insulating layer III (13) is arranged on the movable base (12).
2. Bottom structural stabilizing device for sapphire furnaces, according to claim 1, characterized in that the cooling device (10) comprises
A first cooling body channel (1001), wherein the first cooling body channel (1001) is arranged between the first insulating layer (7) and the second insulating layer (6);
a second cooling body channel (1002), wherein the second cooling body channel (1002) is arranged on one side, close to the separation cylinder (5), of the third heat-insulating layer (13);
a cooling body channel III (1003) arranged in the bottom support (11);
a first cooling body inlet (1004) communicated with the first cooling body channel (1001);
a second cooling body inlet (1005) for communicating the second cooling body channel (1002) and the third cooling body channel (1003);
the three-way pipe (1006) is arranged on the first cooling body inlet (1004) and the second cooling body inlet (1005), and a liquid nitrogen inlet is formed in the three-way pipe (1006);
and the electromagnetic valve (1007) is installed on the liquid nitrogen inlet.
3. The bottom structural stabilization device for sapphire furnaces as set forth in claim 1, characterized in that the mobile base (12) comprises
The supporting seat (1201), the heat preservation layer III (13) is arranged on the supporting seat (1201);
and the roller (1202) is installed below the supporting seat (1201).
4. The bottom structural stabilization device for sapphire furnaces as set forth in claim 2, wherein the tee (1006) is detachable.
5. The bottom structure stabilizing device for sapphire furnace as set forth in claim 3, wherein said rollers (1202) are horizontal adjustment casters and the number of said rollers (1202) is four.
6. The bottom structure stabilizing device for the sapphire furnace as claimed in any one of claims 1 to 5, wherein the side heating element (1), the bottom heating element (8) and the solenoid valve (1007) are externally connected with a control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252677.2U CN215560808U (en) | 2021-09-16 | 2021-09-16 | Bottom structure stabilizing device for sapphire furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252677.2U CN215560808U (en) | 2021-09-16 | 2021-09-16 | Bottom structure stabilizing device for sapphire furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215560808U true CN215560808U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252677.2U Active CN215560808U (en) | 2021-09-16 | 2021-09-16 | Bottom structure stabilizing device for sapphire furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215560808U (en) |
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2021
- 2021-09-16 CN CN202122252677.2U patent/CN215560808U/en active Active
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