CN206467332U - The crucible assembly of polycrystalline silicon ingot or purifying furnace - Google Patents
The crucible assembly of polycrystalline silicon ingot or purifying furnace Download PDFInfo
- Publication number
- CN206467332U CN206467332U CN201621330479.6U CN201621330479U CN206467332U CN 206467332 U CN206467332 U CN 206467332U CN 201621330479 U CN201621330479 U CN 201621330479U CN 206467332 U CN206467332 U CN 206467332U
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- Prior art keywords
- graphite
- crucible
- shield
- heater
- collecting tank
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Abstract
The utility model discloses a kind of crucible assembly of polycrystalline silicon ingot or purifying furnace, the graphite shield of crucible and correspondence crucible, graphite shield includes being arranged on the graphite side of crucible sidepiece, and the graphite bottom plate of crucible bottom is arranged on, graphite side is connected together by the neck and the fixture block of graphite bottom plate circumferential projection of length direction；It is located on graphite bottom plate on the inside of circumferential fixture block and is provided with collecting tank.The utility model passes through the raised fixture block of a circle on graphite bottom plate, and coordinate collecting tank to recycle, even if there is silicon liquid overflow situation, also due to the liquid collecting of collecting tank and the blocking of fixture block and avoid silicon liquid from entering ingot furnace, effectively ensure that ingot furnace processing safety and reduce the wasting of resources.
Description
Technical field
The utility model is related to polycrystalline silicon battery plate production technical field, more particularly to a kind of polycrystalline silicon ingot or purifying furnace, especially
It is a kind of crucible assembly upgrading of polycrystalline silicon ingot or purifying furnace.
Background technology
The production process of polycrystalline silicon battery plate includes：Crucible spraying → filler → ingot casting → cutting is blocking → line be cut into piece →
Cleaning-drying → detection → packaging, wherein, casting polycrystal silicon ingot is one of important technique, and the quality of polycrystalline silicon ingot casting will be direct
Influence the conversion efficiency and quality of solar cell.
Polycrystal silicon ingot is cast, is that the crucible after filler is placed in ingot furnace, evacuates, heat by furnace chamber, melting, growing
After brilliant, annealing, cooling, the casting of silicon ingot is completed.Add in the prior art in polycrystalline silicon ingot or purifying furnace provided with top heater and side
Hot device, top heater and side heater are set to one, are fixed by top copper electrode and body of heater, top heater and side
Heater provides heat.During the entire process of polycrystal silicon ingot casting, the crucible assembly of prior art is by internal silica crucible
And outside polylith graphite shield is constituted, therefore, because the contact surface of silica crucible and graphite shield is plane, and graphite
Shield is formed by polylith side plate and floor combination, once the silicon liquid that silica crucible overflow phenomena, overflow occurs and gone out may lead to
Cross gap and cause potential safety hazard into ingot furnace, and there is wasting of resources situation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of crucible assembly of polycrystalline silicon ingot or purifying furnace, to avoid
Silicon liquid enters ingot furnace when overflow occurs in crucible, and the silicon liquid of overflow is effectively flow backwards and liquid collecting recycling.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of crucible assembly of polycrystalline silicon ingot or purifying furnace, the ingot furnace includes：Pumping is provided with body of heater, the body of heater
Be provided with hole, the body of heater be provided with heat-preservation guard shield, the heat-preservation guard shield crucible, the graphite shield of the correspondence crucible,
The top heater and side heater and the cooling platform positioned at the graphite shield bottom of the correspondence graphite shield, institute
Top heater is stated to be controlled to realize to graphite by the external heat copper electrode at the top of the body of heater with side heater
At the top of shield and sidepiece external heat, the heat-preservation guard shield and cooling platform are by being arranged on the graphite branch of the bottom of furnace body
Post is supported, and the cooling platform supports the graphite shield, crucible described in the backplanes support of the graphite shield；
The graphite shield includes being arranged on the graphite side of the crucible sidepiece, and is arranged on the crucible bottom
Graphite bottom plate, the graphite side is connected together by the neck and the fixture block of the graphite bottom plate circumferential projection of length direction；
It is located on the graphite bottom plate on the inside of circumferential fixture block and is provided with collecting tank.
Wherein, the collecting tank is square ring-type, and the lateral wall of the collecting tank is along short transverse and the graphite side
Madial wall it is concordant, the internal diameter of the collecting tank is less than the external diameter of the crucible.
Wherein, the depth of the collecting tank is less than 1/2nd of the graphite base plate thickness.
After the crucible of polycrystalline silicon ingot furnace component provided by above-mentioned technical proposal, the utility model, its upgrading, lead to
The raised fixture block of a circle on graphite bottom plate is crossed, and coordinates collecting tank to recycle, even if there is silicon liquid overflow situation, also due to
The liquid collecting of collecting tank and the blocking of fixture block and avoid silicon liquid from entering ingot furnace, effectively ensure that the processing safety of ingot furnace with
And reduce the wasting of resources.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described.
Fig. 1 is the structural representation of the crucible assembly of the polycrystalline silicon ingot or purifying furnace disclosed in the utility model embodiment.
Numeral is represented in figure：
11. the collecting tank of 14. fixture block of crucible 12. graphite side, 13. graphite bottom plate 15.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe.
With reference to the crucible assembly of Fig. 1, the utility model polycrystalline silicon ingot or purifying furnace provided, ingot furnace includes：On body of heater, body of heater
It is provided with aspirating hole, body of heater and is provided with heat-preservation guard shield, the graphite shield of crucible 11, correspondence crucible 11 is provided with heat-preservation guard shield
Cover, the top heater of correspondence graphite shield and side heater and the cooling platform positioned at graphite shield bottom, top adds
Hot device is controlled to realize at the top of graphite shield and side with side heater by the external heat copper electrode at the top of body of heater
The external heat in portion, heat-preservation guard shield and cooling platform are supported by being arranged on the graphite pillar of bottom of furnace body, cooling platform branch
Support graphite shield, the backplanes support crucible 11 of graphite shield；
Graphite shield includes being arranged on the graphite side 12 of the sidepiece of crucible 11, and is arranged on the graphite bottom of the bottom of crucible 11
Plate 13, graphite side 12 is connected together by the neck and the fixture block 14 of the circumferential projection of graphite bottom plate 13 of length direction；Graphite bottom
It is located at the circumferential inner side of fixture block 14 on plate 13 and is provided with collecting tank 15.
Wherein, collecting tank 15 is square ring-type, the inner side of the lateral wall of collecting tank 15 along short transverse and graphite side 12
Wall is concordant, and the internal diameter of collecting tank 15 is less than the external diameter of crucible 11, and the depth of collecting tank 15 is less than two points of the thickness of graphite bottom plate 13
One of.
After the component of crucible of polycrystalline silicon ingot furnace 11 that the utility model is provided, its upgrading, by graphite bottom plate 13
The raised fixture block 14 of one circle, and coordinate collecting tank 15 to recycle, even if there is silicon liquid overflow situation, also due to collecting tank 15
Liquid collecting and fixture block 14 blocking and avoid silicon liquid from entering ingot furnace, effectively ensure that the processing safety of ingot furnace and subtract
Few wasting of resources.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (3)
1. a kind of crucible assembly of polycrystalline silicon ingot or purifying furnace, the ingot furnace includes：Aspirating hole is provided with body of heater, the body of heater,
It is provided with the body of heater and crucible, the graphite shield of the correspondence crucible, correspondingly is provided with heat-preservation guard shield, the heat-preservation guard shield
The top heater and side heater and the cooling platform positioned at the graphite shield bottom of the graphite shield, the top
Portion's heater is controlled to realize to graphite shield with side heater by the external heat copper electrode at the top of the body of heater
Top and the external heat of sidepiece, the heat-preservation guard shield and cooling platform by be arranged on the graphite pillar of the bottom of furnace body come
Support, the cooling platform supports the graphite shield, crucible described in the backplanes support of the graphite shield, it is characterised in that：
The graphite shield includes being arranged on the graphite side of the crucible sidepiece, and is arranged on the graphite of the crucible bottom
Bottom plate, the graphite side is connected together by the neck and the fixture block of the graphite bottom plate circumferential projection of length direction；
It is located on the graphite bottom plate on the inside of circumferential fixture block and is provided with collecting tank.
2. the crucible assembly of polycrystalline silicon ingot or purifying furnace according to claim 1, it is characterised in that the collecting tank is square ring
Shape, the lateral wall of the collecting tank is concordant with the madial wall of the graphite side along short transverse, and the internal diameter of the collecting tank is small
In the external diameter of the crucible.
3. the crucible assembly of polycrystalline silicon ingot or purifying furnace according to claim 2, it is characterised in that the depth of the collecting tank is small
In 1/2nd of the graphite base plate thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330479.6U CN206467332U (en) | 2016-12-02 | 2016-12-02 | The crucible assembly of polycrystalline silicon ingot or purifying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330479.6U CN206467332U (en) | 2016-12-02 | 2016-12-02 | The crucible assembly of polycrystalline silicon ingot or purifying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206467332U true CN206467332U (en) | 2017-09-05 |
Family
ID=59709992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621330479.6U Expired - Fee Related CN206467332U (en) | 2016-12-02 | 2016-12-02 | The crucible assembly of polycrystalline silicon ingot or purifying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206467332U (en) |
-
2016
- 2016-12-02 CN CN201621330479.6U patent/CN206467332U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20181202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |