CN208023109U - A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate - Google Patents
A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate Download PDFInfo
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- CN208023109U CN208023109U CN201820182650.6U CN201820182650U CN208023109U CN 208023109 U CN208023109 U CN 208023109U CN 201820182650 U CN201820182650 U CN 201820182650U CN 208023109 U CN208023109 U CN 208023109U
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Abstract
The utility model is a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate, including furnace body, heat preservation cage body is equipped in furnace body, it keeps the temperature in cage body, lower both ends are respectively equipped with heat preservation top plate and with crutched heat-preservation bottoms, heat exchange platform is fixed with by pillar above heat-preservation bottom, graphite crucible is placed on heat exchange platform, silica crucible is equipped in graphite crucible, stairstepping connected unit is equipped at the top of silica crucible, stairstepping connected unit is equipped with anti-overflow quartz bucket, it keeps the temperature top plate bottom margin and is equipped with circular ring shape gear carbon slag plate, circular ring shape keeps off carbon slag plate inner hollow and is filled with phase-change material, it is evenly equipped with heating device outside graphite crucible side wall, it is equipped with thermal-insulation baffle plate between graphite crucible lateral wall and heat preservation cage body, heat preservation top of the cage body both ends are connected with lift lever.The utility model can effectively prevent silicon liquid overflow, be conducive to keep the safety in production, while can prevent from causing carbon slag to fall into the destruction in silicon liquid to product quality with heat preservation top plate friction when heat preservation cage body promotion.
Description
Technical field
The utility model is related to polycrystalline silicon ingot or purifying furnace field more particularly to a kind of anti-overflow polysilicons with gear carbon slag plate
Ingot furnace.
Background technology
High purity polycrystalline silicon is the primary raw material for preparing solar cell.Currently, polycrystalline silicon ingot or purifying furnace is that metallurgy method purification is more
The important equipment of crystal silicon, the equipment can make polycrystalline silicon raw material form ingot casting after the fusing cooling of blocky or powdery, and ingot casting passes through
Butt and slice can make solar battery sheet.
Heat preservation cage body, heat preservation top plate and the heat-preservation bottom of polycrystalline silicon ingot or purifying furnace are all the graphite carbon felt materials used, when long
Between will appear serious carbonization after high-temperature baking and form carbon slag；When keeping the temperature cage body up and down motion, heat preservation cage body and heat preservation top plate
Will produce friction makes powder carbon slag slide, and carbon slag enters in the silicon liquid of fusing, so that the carbide of silicon ingot is severely exceeded, influence product
Quality.How to prevent the silicon liquid overflow of polycrystalline silicon ingot or purifying furnace simultaneously is also a research hotspot, the temperature field of polycrystalline silicon ingot or purifying furnace
Regulation and control are also critically important.
Invention content
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of anti-overflow polysilicon with gear carbon slag plate
Ingot furnace.
The utility model to achieve the above object, using following technical scheme：
A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate, including furnace body, the furnace body is interior to be equipped with heat preservation cage body,
The heat preservation cage body upper/lower terminal is respectively equipped with heat preservation top plate and with crutched heat-preservation bottom, and the heat-preservation bottom top is logical
It crosses pillar and is fixed with heat exchange platform, graphite crucible is placed on the heat exchange platform, silica crucible is equipped in the graphite crucible,
The height of the graphite crucible is higher than the height of the silica crucible, and stairstepping connected unit, institute are equipped at the top of the silica crucible
It states stairstepping connected unit and is equipped with anti-overflow quartz bucket, be fixed on inboard wall of furnace body by fixed link at the top of the heat preservation top plate,
The heat preservation top plate bottom margin is equipped with circular ring shape and keeps off carbon slag plate, and the bottom level of the circular ring shape gear carbon slag plate is less than the stone
The height of black crucible, the circular ring shape keeps off carbon slag plate inner hollow and is filled with phase-change material, equal outside the graphite crucible side wall
It is furnished with heating device, the heating device is connected with power supply, thermal insulation separation is equipped between the graphite crucible lateral wall and heat preservation cage body
Plate, the thermal-insulation baffle plate are connected by connecting rod with heat preservation top board undersurface, and the heat preservation top of the cage body both ends are connected with lift lever, institute
Lift lever is stated to stretch out at the top of the furnace body and be connected with promotion power plant.
The graphite crucible outer wall is equipped with multiple ventholes.
The heat preservation cage body, heat preservation top plate, heat-preservation bottom are using graphite carbon felt thermal insulation board.
Fusible link is equipped at the top of the anti-overflow quartz bucket, the fusible link is connected with alarm buzzer.
The utility model has the beneficial effects that：The utility model can effectively prevent silicon liquid overflow, be conducive to keep the safety in production,
When can prevent heat preservation cage body from being promoted simultaneously and heat preservation top plate friction causes carbon slag to fall into the destruction in silicon liquid to product quality；?
In terms of temperature regulation and control, stable temperature ladder field is formed, the silicon ingot for producing high-quality is conducive to.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram when heat preservation cage body of the utility model is promoted；
In figure：1- furnace bodies；2- keeps the temperature cage body；3- keeps the temperature top plate；4- pillars；5- heat-preservation bottoms；6- heat exchange platforms；7- graphite
Crucible；8- silica crucibles；9- stairstepping connected units；10- anti-overflow quartz buckets；11- fixed links；12- circular ring shapes keep off carbon slag plate；
13- heating devices；14- thermal-insulation baffle plates；15- lift levers；
It is described in detail with reference to attached drawing below with reference to the embodiments of the present invention.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate, including furnace body 1, in the furnace body 1
Equipped with heat preservation cage body 2, heat preservation 2 upper/lower terminal of cage body is respectively equipped with heat preservation top plate 3 and the heat-preservation bottom 5 with pillar 4,
5 top of the heat-preservation bottom is fixed with heat exchange platform 6 by pillar 4, and graphite crucible 7 is placed on the heat exchange platform 6, described
Silica crucible 8 is equipped in graphite crucible 7, the height of the graphite crucible 7 is higher than the height of the silica crucible 8, the quartz
8 top of crucible is equipped with stairstepping connected unit 9, and the stairstepping connected unit 9 is equipped with anti-overflow quartz bucket 10, the heat preservation top plate
3 tops are fixed on by fixed link 11 on 1 inner wall of furnace body, and 3 bottom margin of heat preservation top plate is equipped with circular ring shape gear carbon slag plate 12,
The bottom level of the circular ring shape gear carbon slag plate 12 is less than the height of the graphite crucible 7, and the circular ring shape is kept off in carbon slag plate 12
Portion is hollow and is filled with phase-change material, is evenly equipped with heating device 13 outside 7 side wall of the graphite crucible, the heating device 13 is connected with
Power supply is equipped with thermal-insulation baffle plate 14 between 7 lateral wall of the graphite crucible and heat preservation cage body 2, and the thermal-insulation baffle plate 14 passes through connection
Bar is connected with 3 bottom surface of heat preservation top plate, the 2 top both ends of heat preservation cage body are connected with lift lever 15, and the lift lever 15 stretches out described
At the top of furnace body 1 and it is connected with promotion power plant.
7 outer wall of the graphite crucible is equipped with multiple ventholes.
The heat preservation cage body 2, heat preservation top plate 3, heat-preservation bottom 5 are using graphite carbon felt thermal insulation board.
10 top of the anti-overflow quartz bucket is equipped with fusible link, and the fusible link is connected with alarm buzzer.
The utility model is equipped with stairstepping connected unit 9 at 8 top of silica crucible, and stairstepping connected unit 9 is equipped with anti-overflow
Quartz bucket 10 can effectively prevent silicon liquid overflow in this way, while 10 top of anti-overflow quartz bucket is equipped with fusible link, the fusible link
It is connected with alarm buzzer, once there is dangerous situation, warning reminding worker instrument can be closed in time in time, be conducive to keep the safety in production.
It keeps the temperature 3 bottom margin of top plate and is equipped with circular ring shape gear carbon slag plate 12, the bottom level that circular ring shape keeps off carbon slag plate 12 is less than graphite crucible 7
Height, circular ring shape keeps off 12 inner hollow of carbon slag plate and is filled with phase-change material, in this way inside phase-change material can absorb one
Part high temperature can also avoid keeping the temperature to avoid part on Thermal insulation cage body 2 and heat preservation 3 bottom margin of top plate by high temperature cabonization
When cage body 2 is promoted and the heat preservation friction of top plate 3 causes carbon slag to fall into the destruction in silicon liquid to product quality；During normal production, polycrystalline
Silicon raw material is melted in silica crucible 8 by heating, and when entrance rises by the crystal stage, heat preservation cage body 2 is slowly lifted, heat exchange platform
6 are exposed in the bottom of heat preservation cage body 2, and a large amount of heat radiation is via in the space between heat exchange platform 6 and heat-preservation bottom 5
It distributes, as shown in Fig. 2, the bottom of polycrystalline silicon raw material is cooled, starts long crystalline substance, but polycrystalline silicon raw material above must also be for a long time
Be maintained at liquid condition, at this time due to the buffer action of thermal-insulation baffle plate 14, the heat for limiting top distributes, increase above and below
Temperature difference forms stable temperature ladder field, is conducive to the silicon ingot for producing high-quality in terms of temperature regulation and control.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the various improvement of the methodology and technical solution progress of the utility model are used, or without
Improvement directly applies to other occasions, both is within the protection scope of the present invention.
Claims (4)
1. a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate, which is characterized in that including furnace body (1), the furnace body (1)
Interior to be equipped with heat preservation cage body (2), described heat preservation cage body (2) upper/lower terminal is respectively equipped with heat preservation top plate (3) and carries pillar (4)
Heat-preservation bottom (5) is fixed with heat exchange platform (6) above the heat-preservation bottom (5) by pillar (4), on the heat exchange platform (6)
It is placed with graphite crucible (7), is equipped with silica crucible (8) in the graphite crucible (7), the height of the graphite crucible (7) is higher than
The height of the silica crucible (8), silica crucible (8) top are equipped with stairstepping connected unit (9), the stairstepping connected unit
(9) it is equipped with anti-overflow quartz bucket (10), heat preservation top plate (3) top is fixed on furnace body (1) inner wall by fixed link (11)
On, heat preservation top plate (3) bottom margin is equipped with circular ring shape gear carbon slag plate (12), the bottom of the circular ring shape gear carbon slag plate (12)
Height is less than the height of the graphite crucible (7), and the circular ring shape keeps off carbon slag plate (12) inner hollow and is filled with phase-change material,
It is evenly equipped with heating device (13) outside graphite crucible (7) side wall, the heating device (13) is connected with power supply, the graphite crucible
(7) thermal-insulation baffle plate (14) is equipped between lateral wall and heat preservation cage body (2), the thermal-insulation baffle plate (14) is pushed up by connecting rod and heat preservation
Plate (3) bottom surface is connected, and both ends are connected with lift lever (15) at the top of the heat preservation cage body (2), and the lift lever (15) stretches out the stove
At the top of body (1) and it is connected with promotion power plant.
2. a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate according to claim 1, which is characterized in that described
Graphite crucible (7) outer wall is equipped with multiple ventholes.
3. a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate according to claim 2, which is characterized in that described
Cage body (2), heat preservation top plate (3), heat-preservation bottom (5) are kept the temperature using graphite carbon felt thermal insulation board.
4. a kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate according to claim 3, which is characterized in that described
Fusible link is equipped at the top of anti-overflow quartz bucket (10), the fusible link is connected with alarm buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182650.6U CN208023109U (en) | 2018-02-02 | 2018-02-02 | A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182650.6U CN208023109U (en) | 2018-02-02 | 2018-02-02 | A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208023109U true CN208023109U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820182650.6U Active CN208023109U (en) | 2018-02-02 | 2018-02-02 | A kind of anti-overflow polycrystalline silicon ingot or purifying furnace with gear carbon slag plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208023109U (en) |
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2018
- 2018-02-02 CN CN201820182650.6U patent/CN208023109U/en active Active
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