CN207169998U - A kind of polycrystalline cast ingot seed crystal deironing apparatus - Google Patents
A kind of polycrystalline cast ingot seed crystal deironing apparatus Download PDFInfo
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- CN207169998U CN207169998U CN201721376398.4U CN201721376398U CN207169998U CN 207169998 U CN207169998 U CN 207169998U CN 201721376398 U CN201721376398 U CN 201721376398U CN 207169998 U CN207169998 U CN 207169998U
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- seed crystal
- cast ingot
- slide rail
- sliding block
- polycrystalline cast
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Abstract
The utility model discloses a kind of polycrystalline cast ingot seed crystal deironing apparatus, including the conveyer belt for conveying polycrystalline cast ingot raw material seed crystal, conveyer belt conveying is provided with portal frame above rear end, and portal frame is provided with slide rail, slide rail is provided with the sliding block being slidably connected with it, and sliding block lower end at the top of electromagnet with being connected；The utility model can effectively remove the metallic iron in seed crystal, improve product quality, at the same during do not need manual intervention and addition external agent to be reacted.
Description
Technical field
Polycrystalline cast ingot technical field is the utility model is related to, in particular to a kind of polycrystalline cast ingot seed crystal deironing apparatus.
Background technology
At present in photovoltaic industry polycrystalline cast ingot field, want to obtain the silicon chip of high-photoelectric transformation efficiency, with crucible bottom
Lay seed crystal（Small broken silicon material）The technique of partly melting of nucleating growth is prevailing technology on seed crystal, but seed crystal is because its particle is small,
Contact area is big, at the same mostly using physics crumbling method produce, the granular metal iron outside it due to close in size,
Metallic luster in itself be present plus silicon material, artificial is difficult to be chosen；In addition, the iron powder of seed crystal face residual, it is also difficult to go
Except clean.Iron ion is understood during ingot casting cause to have a strong impact on to silicon ingot minority carrier life time index, and content is more, and minority carrier life time is got over
Low, the cell piece conversion efficiency produced is lower.
Tradition is typically corroded to the processing mode of seed crystal using reagents such as soda acids.Because seed crystal particle diameter is smaller, storage
It is big with cleaning difficulty, seed crystal loss be present greatly using soda acid cleaning way, soda acid remains not easy-clear, adds ingot casting and glues pot leakage
Silicon risk；And discharge acid/base ratio increase causes cost of sewage disposal also to increase.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of polycrystalline cast ingot seed crystal deironing apparatus, effectively
Remove the metallic iron in seed crystal, improve product quality, at the same during do not need manual intervention and addition external agent carry out it is anti-
Should.
The utility model is in order to solve the above technical problems, used technical scheme is：A kind of polycrystalline cast ingot is removed with seed crystal
Iron device, including for conveying the conveyer belt of polycrystalline cast ingot raw material seed crystal, gantry is provided with above the conveyer belt conveying rear end
Frame, the portal frame are provided with slide rail, and the slide rail is provided with the sliding block being slidably connected with it, the sliding block lower end and electromagnet
Top connects.
Preferably, the portal frame includes two support bars for being vertically arranged at conveyer belt both sides respectively, two support bars
Top horizontal sets slide rail.
Preferably, the slide rail is i-beam structure, and the sliding block is semi-enclosed cube structure, and is set in slide rail
On.
Preferably, cambered surface groove is provided with the inside of the sliding block, the slide rail surface relative with cambered surface groove is provided with an arc
Shape chute, ball is provided between the cambered surface groove and arc chute.
Preferably, hydraulically extensible bar is installed, the hydraulically extensible bar telescopic end passes through mobile bar and cunning on the slide rail
Block side is fixedly connected.
Preferably, the sliding block lower end is provided with suspension hook, and the suspension hook is connected by the mounting ring of lifting rope and electromagnet upper surface
Connect.
Preferably, the suspension hook is connected by three lifting ropes with three mounting rings of electromagnet upper surface.
The beneficial effects of the utility model：The utility model utilizes the electromagnetic property of iron, is directly adsorbed using electromagnet
Mode to seed crystal carry out physics go-on-go, effectively remove seed crystal in metallic iron, while during do not need manual intervention and addition
External agent is reacted, during seed crystal contact conveyer belt be the non-metallic materials such as nylon, resin, it is ensured that will not be secondary
Seed material is polluted, the purpose for reducing metallic iron in seed crystal is reached eventually through patent device, makes what half casting process produced
Silicon chip battery conversion efficiency is improved, and product quality is improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of polycrystalline cast ingot seed crystal deironing apparatus；
Fig. 2 is the structural representation coordinated in Fig. 1 between sliding block and slide rail；
The structural representation that Fig. 3 coordinates between sliding block, slide rail and ball；
The structural representation that Fig. 4 coordinates between hydraulically extensible bar and sliding block and slide rail；
In figure, conveyer belt 1, portal frame 2, support bar 2.1, slide rail 3, arc chute 3.1, sliding block 4, cambered surface groove 4.1, hang
Hook 4.2, lifting rope 4.3, electromagnet 5, mounting ring 5.1, ball 6, hydraulically extensible bar 7, mobile bar 8.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of polycrystalline cast ingot seed crystal deironing apparatus, including for conveying polycrystalline cast ingot raw material seed
Brilliant conveyer belt 1, the conveyer belt 1 convey and are provided with portal frame 2 above rear end, and the portal frame 2 is provided with slide rail 3, the cunning
Rail 3 is provided with the sliding block 4 being slidably connected with it, and the lower end of sliding block 4 is connected with the top of electromagnet 5.
Preferably, the portal frame 2 includes two support bars 2.1 for being vertically arranged at the both sides of conveyer belt 1 respectively, two branch
The top horizontal of strut 2.1 sets slide rail 3.
Preferably, the slide rail 3 is i-beam structure, and the sliding block 4 is semi-enclosed cube structure, and is set in slide rail
On 3.The slide rail 3 of this i-beam structure is simple in construction, and materials are easy, and cost is low.
Preferably, the inner side of sliding block 4 is provided with cambered surface groove 4.1, is set on the surface of slide rail 3 relative with cambered surface groove 4.1
There is an arc chute 3.1, ball 6 is provided between the cambered surface groove 4.1 and arc chute 3.1.Ball 6 can effectively drop
Frictional force between low slide rail 3 and sliding block 4, it is easy to its relative slip.
Preferably, hydraulically extensible bar 7 is installed, the telescopic end of hydraulically extensible bar 7 passes through mobile bar 8 on the slide rail 3
It is fixedly connected with the side of sliding block 4.After increasing hydraulically extensible bar 7, can by the flexible drive mobile bar 8 of hydraulically extensible bar 7 come
Return is dynamic, so as to be moved with movable slider 4 on slide rail 3.
Preferably, the lower end of sliding block 4 is provided with suspension hook 4.2, and the suspension hook 4.2 passes through lifting rope 4.3 and the upper surface of electromagnet 5
Mounting ring 5.1 connect.
Preferably, the suspension hook 4.2 is connected by three lifting ropes 4.3 with three mounting rings 5.1 of the upper surface of electromagnet 5.
Electromagnet 5 is disc-shaped structure in the present embodiment, and its balance can be kept by three lifting ropes 4.3 and three mounting rings 5.1,
It is simple and practical.
The present embodiment operation principle：Treat that the polycrystalline cast ingot raw material seed crystal of magnetic separation is transported under electromagnet 5 by conveyer belt 1
Side, open after being powered, electromagnet 5 is worked, and the metallic iron in seed crystal is attracted to remove, and conveyer belt 1 conveys end and collects magnetic
Seed selection is brilliant and encapsulates, and after a period of time, conveyer belt 1 is shut down, and promotes sliding block 4 or is slided by the flexible drive of hydraulically extensible bar 7
Block 4 moves on slide rail 3 so that electromagnet 5 is moved to the side of conveyer belt 1, and electromagnet 5 powers off, and clears up the adsorption of electromagnet 5
Impurity, it is ensured that the bottom surface of electromagnet 5 is clean；Electromagnet 5 is reverted into initial position by sliding block 4；This operation is repeated until seed crystal
Whole magnetic separation are completed.
In addition, for needing to remove the primary silicon material of little particle of metallic iron in polycrystalline cast ingot and circulating silicon material, can also
Iron removaling operation is carried out with this mode.In operation, operating personnel must with cleaning gloves, wear clean garment, with good anti-dust respirator, head
The appliances for labor protection such as set, safety goggles, it is ensured that personal safety, while be careful not to pollute seed crystal.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
Make, the feature in embodiment and embodiment in the application can be mutually combined in the case where not conflicting.This practicality is new
Technical characteristic in the technical scheme that the protection domain of type should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent substitution i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (7)
1. a kind of polycrystalline cast ingot seed crystal deironing apparatus, including for conveying the conveyer belt of polycrystalline cast ingot raw material seed crystal（1）, its
It is characterised by：The conveyer belt（1）Conveying is provided with portal frame above rear end（2）, the portal frame（2）It is provided with slide rail（3）, institute
State slide rail（3）It is provided with the sliding block being slidably connected with it（4）, the sliding block（4）Lower end and electromagnet（5）Top connects.
A kind of 2. polycrystalline cast ingot seed crystal deironing apparatus according to claim 1, it is characterised in that：The portal frame（2）
Conveyer belt is vertically arranged at respectively including two（1）The support bar of both sides（2.1）, two support bars（2.1）Top horizontal is set
Slide rail（3）.
A kind of 3. polycrystalline cast ingot seed crystal deironing apparatus according to claim 1 or 2, it is characterised in that：The slide rail（3）
For i-beam structure, the sliding block（4）For semi-enclosed cube structure, and it is set in slide rail（3）On.
A kind of 4. polycrystalline cast ingot seed crystal deironing apparatus according to claim 3, it is characterised in that：The sliding block（4）It is interior
Side is provided with cambered surface groove（4.1）, with cambered surface groove（4.1）Relative slide rail（3）Surface is provided with an arc chute（3.1）,
The cambered surface groove（4.1）With arc chute（3.1）Between be provided with ball（6）.
A kind of 5. polycrystalline cast ingot seed crystal deironing apparatus according to claim 3, it is characterised in that：The slide rail（3）On
Hydraulically extensible bar is installed（7）, the hydraulically extensible bar（7）Telescopic end passes through mobile bar（8）With sliding block（4）Side, which is fixed, to be connected
Connect.
A kind of 6. polycrystalline cast ingot seed crystal deironing apparatus according to claim 1, it is characterised in that：The sliding block（4）Under
End is provided with suspension hook（4.2）, the suspension hook（4.2）Pass through lifting rope（4.3）With electromagnet（5）The mounting ring of upper surface（5.1）Connection.
A kind of 7. polycrystalline cast ingot seed crystal deironing apparatus according to claim 6, it is characterised in that：The suspension hook（4.2）
Pass through three lifting ropes（4.3）With electromagnet（5）Three mounting rings of upper surface（5.1）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376398.4U CN207169998U (en) | 2017-10-24 | 2017-10-24 | A kind of polycrystalline cast ingot seed crystal deironing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376398.4U CN207169998U (en) | 2017-10-24 | 2017-10-24 | A kind of polycrystalline cast ingot seed crystal deironing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169998U true CN207169998U (en) | 2018-04-03 |
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ID=61745765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721376398.4U Active CN207169998U (en) | 2017-10-24 | 2017-10-24 | A kind of polycrystalline cast ingot seed crystal deironing apparatus |
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| CN (1) | CN207169998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554623A (en) * | 2018-05-11 | 2018-09-21 | 张浩然 | Ferromagnetic substance removing device |
| CN112191299A (en) * | 2020-10-19 | 2021-01-08 | 安徽黎搏装饰工程有限公司 | Building construction rubbish reducing mechanism |
-
2017
- 2017-10-24 CN CN201721376398.4U patent/CN207169998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554623A (en) * | 2018-05-11 | 2018-09-21 | 张浩然 | Ferromagnetic substance removing device |
| CN112191299A (en) * | 2020-10-19 | 2021-01-08 | 安徽黎搏装饰工程有限公司 | Building construction rubbish reducing mechanism |
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