CN208346307U - High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace - Google Patents
High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace Download PDFInfo
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- CN208346307U CN208346307U CN201820949044.2U CN201820949044U CN208346307U CN 208346307 U CN208346307 U CN 208346307U CN 201820949044 U CN201820949044 U CN 201820949044U CN 208346307 U CN208346307 U CN 208346307U
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- temperature fibre
- fibre blanket
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Abstract
The utility model discloses high-temperature fibre blanket laying structures in a kind of polycrystalline silicon ingot or purifying furnace, including being laid on the bottom high-temperature fibre blanket of furnace bottom and being attached to the side high-temperature fibre blanket that furnace side face forms circular bar shaped, it is overlapped to form interface between the side high-temperature fibre blanket and bottom high-temperature fibre blanket, and in interface, bottom high-temperature fibre blanket is located at close to the side of furnace wall, side high-temperature fibre blanket is located remotely from the side of furnace wall, on the interface, it is fixed between side high-temperature fibre blanket and bottom high-temperature fibre blanket with overflow silk or is closed with high temperature resistant linear slit.The utility model clever structure has good protective action to furnace tube side under polycrystalline silicon ingot casting, can play good protective action after silicon liquid whole overflow；Use cost of the client on tapetum fibrosum can be significantly reduced, the waste of raw material is reduced；Limited space in ingot furnace is saved, convenient for optimization thermal field structure.
Description
Technical field
The utility model belongs to solar battery sheet manufacturing equipment field more particularly to a kind of polycrystalline silicon ingot or purifying furnace Nei Naigao
Warm tapetum fibrosum laying structure.
Background technique
Polycrystalline silicon ingot casting is basic link important in solar cell industry chain, and there are about more than 10000 in the world at present
Ingot furnace is using, wherein about 8500 in China, basic size has been formed, it is impossible to extensive again to update.In ingot casting
In the process, five stages are broadly divided into, heating, fusing, long brilliant, annealing and cooling are respectively as follows:.Often in the melting stage, due to
The silica crucible of dress polycrystalline silicon material has crack or goes wrong in the process toward the built-in polycrystalline silicon material of crucible and cause crucible broken
It splits, liquid silicon material overflows to furnace tube bottom, because maximum temperature is up to 1560 DEG C in ingot furnace, and silicon liquid is most during ingot casting
Low temperature has also reached 1420 DEG C, if silicon liquid flows on the furnace shell of steel, will be easy to burn furnace shell, furnace shell interlayer has water
Road is cooling, water transient evaporation at high temperature, generate great pressure can not timely pressure release, will result in explosion accident, cause to set
Standby damage and personnel casualty accidents.
Silicon liquid overflow damages equipment and injures caused by personnel in order to prevent, is laid with heat resisting temperature in furnace tube bottom and is
1600 DEG C of high-temperature fibre blanket is generally laid with 4 layers of high-temperature fibre blanket, as shown in Fig. 1, every thickness degree 10mm, to charging
450 kilograms of polycrystalline silicon ingot or purifying furnace has preferable protective action, but polycrystalline silicon ingot or purifying furnace and charging for 850 kilograms of charging
The safeguard procedures of 1200 kilograms or more of polycrystalline silicon ingot or purifying furnace are not just very well.And domestic existing polycrystalline silicon ingot casting furnace foundation
It is all 1200 kilograms of 850 kilograms of charging and charging in sheet, because the size of lower furnace tube size has been formed, with inventory
Increase, if silicon liquid all overflows in lower furnace tube, high-temperature fibre blanket is laid with not in place, it is easy to cause equipment badly damaged
And personnel casualty accidents.Although being laid with 4 layers of high-temperature fibre blanket to have handled properly to furnace tube foot guard measure, to furnace
The safeguard procedures of cylinder side are very weak, it cannot be guaranteed that the security risk of whole silicon liquid whole overflows.In terms of being come by the GT450 type of furnace
It calculates, furnace tube internal diameter 1835mm, depth 670mm spread the high-temperature fibre blanket of 2.2 meters of 4 layers of diameter, lower furnace tube flange face to high temperature resistant
There are also the height of 350mm not to protect in place for tapetum fibrosum.If be only simply laid with the bigger high-temperature fibre blanket of diameter,
In this way because furnace tube bottom be arc-shaped, side is cylindrical shape, spread it is very more in side corrugation, occupancy ingot furnace in very
Big space influences thermal field and maximumlly utilizes to ingot casting furnace inner space.So in order to reduce bring safety after silicon liquid overflow
Hidden danger, the method for the new laying high-temperature fibre blanket of proposition are necessary to solve silicon liquid overflow bring security risk.
Utility model content
A kind of the technical problem to be solved by the utility model is to provide protectives good, highly-safe polycrystalline silicon ingot or purifying furnace
Interior high-temperature fibre blanket laying structure.
The utility model is achieved through the following technical solutions:
High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace, the circular bottom high temperature resistant including being laid on furnace bottom
Tapetum fibrosum and be attached to the side high-temperature fibre blanket that furnace side face forms circular bar shaped, the side high-temperature fibre blanket with
There is coincidence to form interface between the high-temperature fibre blanket of bottom, and in interface, bottom high-temperature fibre blanket is located at close to furnace wall
Side, side high-temperature fibre blanket is located remotely from the side of furnace wall, and on the interface, side high-temperature fibre blanket and bottom are resistance to
It is fixed between high temperature fiber blanket with overflow silk or is closed with high temperature resistant linear slit.
Preferably, the bottom high-temperature fibre blanket includes 3-4 layers, and the diameter of each layer is up sequentially reduced from bottom
So that the slope structure obliquely downward formed from outside to inside is laminated in each layer edge on furnace wall, the side high-temperature fibre blanket and bottom are resistance to
There is coincidence to form interface at this obliquely downward slope structure between high temperature fiber blanket.
More preferably, the diameter range of each layer is 2.0-2.2 meters on bottom high-temperature fibre blanket.Optimally, bottom high temperature resistant
The diameter of top layer is 2 meters in tapetum fibrosum.
Preferably, the side high-temperature fibre blanket and bottom high-temperature fibre blanket overlapping position width are not less than 5cm.
Preferably, the side high-temperature fibre blanket is attached to furnace side face by glue
The beneficial effects of the utility model are:
The utility model clever structure, especially has the advantage that:
1, have good protective action to furnace tube side under polycrystalline silicon ingot casting, for charge for 850 kilograms and it is 1200 public
Jin or more, good protective action can be played after silicon liquid whole overflow；
2, can save the use of high-temperature fibre blanket using the design, significantly reduce use of the client on tapetum fibrosum at
This, is such as previously required to the high-temperature fibre blanket using 2.4 meters of diameter, now only needs the high-temperature fibre blanket using 2 meters of diameter
It can；
3, be conducive to maximization of the high-temperature fibre blanket producer to stock utilization, reduce the waste of raw material；
4, limited space in ingot furnace is saved, convenient for optimization thermal field structure.
Detailed description of the invention
The utility model is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is the laying structure schematic diagram that high-temperature fibre blanket is opened by furnace bottom lower layer four in background technique；
Fig. 2 is the laying structure schematic diagram of the high-temperature fibre blanket of the utility model；
Wherein: the bottom 1- high-temperature fibre blanket；The side 2- high-temperature fibre blanket.
Specific embodiment
As shown in Fig. 2, high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace, including being laid on the circular of furnace bottom
Bottom high-temperature fibre blanket 1 forms the side high-temperature fibre blanket 2 of circular bar shaped with furnace side face is attached to, and the side is resistance to
It is overlapped to form interface between high temperature fiber blanket 2 and bottom high-temperature fibre blanket 1, and in interface, bottom high-temperature fibre blanket 1
Positioned at the side close to furnace wall, side high-temperature fibre blanket 2 is located remotely from the side of furnace wall, on the interface, the resistance to height in side
It is fixed between warm tapetum fibrosum 2 and bottom high-temperature fibre blanket 1 with overflow silk or is closed with high temperature resistant linear slit.
The bottom high-temperature fibre blanket 1 includes 4 layers, and the diameter of each layer is up sequentially reduced from bottom so that each layer side
The slope structure obliquely downward formed from outside to inside, the side high-temperature fibre blanket 2 and bottom high-temperature fibre is laminated in edge on furnace wall
There is coincidence to form interface at this obliquely downward slope structure between blanket 1.
The diameter range of each layer is 2-2.2 meters on bottom high-temperature fibre blanket 1.Top layer in bottom high-temperature fibre blanket 1
Diameter be 2 meters.
The side high-temperature fibre blanket 2 is not less than 5cm with bottom high-temperature fibre blanket overlapping position width.
The side high-temperature fibre blanket 2 is attached to furnace side face by glue, and glue can be resin glue, on the market can be with
It buys.
The utility model clever structure, especially has the advantage that:
1, have good protective action to furnace tube side under polycrystalline silicon ingot casting, for charge for 850 kilograms and it is 1200 public
Jin or more, good protective action can be played after silicon liquid whole overflow；
2, can save the use of high-temperature fibre blanket using the design, significantly reduce use of the client on tapetum fibrosum at
This, is such as previously required to the high-temperature fibre blanket using 2.4 meters of diameter, now only needs the high-temperature fibre blanket using 2 meters of diameter
It can；
3, be conducive to maximization of the high-temperature fibre blanket producer to stock utilization, reduce the waste of raw material；
4, limited space in ingot furnace is saved, convenient for optimization thermal field structure.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace, which is characterized in that the bottom including being laid on furnace bottom is resistance to
High temperature fiber blanket forms the side high-temperature fibre blanket of circular bar shaped, the side high-temperature fibre with furnace side face is attached to
It is overlapped to form interface between blanket and bottom high-temperature fibre blanket, and in interface, bottom high-temperature fibre blanket is located at close to furnace
The side of wall, side high-temperature fibre blanket is located remotely from the side of furnace wall, on the interface, side high-temperature fibre blanket and bottom
It is fixed between portion's high-temperature fibre blanket with overflow silk or is closed with high temperature resistant linear slit.
2. high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace according to claim 1, which is characterized in that the bottom
Portion's high-temperature fibre blanket is circle, includes 3-4 layers, and the diameter of each layer is up sequentially reduced from bottom so that each layer edge is in furnace
Stacking forms slope structure obliquely downward from outside to inside on wall, between the side high-temperature fibre blanket and bottom high-temperature fibre blanket
This has coincidence to form interface at the structure of slope obliquely downward.
3. high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace according to claim 2, which is characterized in that bottom is resistance to
The diameter range of each layer is 2.0-2.2 meters on high temperature fiber blanket.
4. high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace according to claim 2, which is characterized in that bottom is resistance to
The diameter of high temperature fiber Tan Zhong top layer is 2 meters.
5. high-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace according to claim 1, which is characterized in that the side
Face high-temperature fibre blanket and bottom high-temperature fibre blanket overlapping position width are not less than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820949044.2U CN208346307U (en) | 2018-06-20 | 2018-06-20 | High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820949044.2U CN208346307U (en) | 2018-06-20 | 2018-06-20 | High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208346307U true CN208346307U (en) | 2019-01-08 |
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ID=64884447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820949044.2U Expired - Fee Related CN208346307U (en) | 2018-06-20 | 2018-06-20 | High-temperature fibre blanket laying structure in polycrystalline silicon ingot or purifying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208346307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129882A (en) * | 2019-05-30 | 2019-08-16 | 江苏拓正茂源新能源有限公司 | A kind of overflow isolating device of polycrystalline silicon ingot or purifying furnace |
-
2018
- 2018-06-20 CN CN201820949044.2U patent/CN208346307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129882A (en) * | 2019-05-30 | 2019-08-16 | 江苏拓正茂源新能源有限公司 | A kind of overflow isolating device of polycrystalline silicon ingot or purifying furnace |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210620 |