CN208201172U - Produce the polycrystalline ingot furnace and its side heater of cell piece - Google Patents
Produce the polycrystalline ingot furnace and its side heater of cell piece Download PDFInfo
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- CN208201172U CN208201172U CN201820389759.7U CN201820389759U CN208201172U CN 208201172 U CN208201172 U CN 208201172U CN 201820389759 U CN201820389759 U CN 201820389759U CN 208201172 U CN208201172 U CN 208201172U
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Abstract
The utility model provides the side heater in a kind of polycrystalline ingot furnace for produce 165 × 165mm cell piece, including side front electrode boom, the right electrode boom in side, side rear electrode boom, the vertical connecting plate of front right, it is right before vertical connecting plate, it is right after vertical connecting plate, rear right vertical connecting plate, left back vertical connecting plate, left front vertical connecting plate, at least one layer heating plate, preceding right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge, left front corner connecting bridge；Corner connecting bridge is promoted into the top to the top surface of graphite crucible, ensure that will not interfere or strike sparks with side heater when graphite crucible extends out；Thus under the premise of furnace shell size constancy, and under the premise of keeping silicon ingot ingot casting quantity constant, realize that GT polycrystalline ingot furnace G6 thermal field produces 165 × 165mm cell piece.The utility model additionally provides a kind of polycrystalline ingot furnace including above-mentioned side heater.
Description
Technical field
The utility model relates to polysilicon technical field of processing equipment, more particularly, to one kind for producing 165 × 165mm
The polycrystalline ingot furnace and its side heater of cell piece.
Background technique
GT polycrystalline ingot furnace G5 thermal field upgrading G6 thermal field substantially started transformation in 2013 and implements, up to the present domestic big
Land GT polycrystalline ingot furnace has been completed substantially by the work that G5 thermal field upgrades to G6 thermal field, and G6 thermal field inventory is upgraded by 450KG
To 850KG, 36 pieces of every furnace ingot casting is mature in terms of casting ingot process.
But the battery chip size of G6 thermal field production is 156 × 156mm always, with the development of photovoltaic market, present 165
The demand of × 165mm cell piece is growing, will be the ceramic earthenware in former G6 thermal field in order to produce 165 × 165mm cell piece
Crucible dilatation.
Therefore, how under the premise of GT polycrystalline ingot furnace furnace shell size constancy, and silicon ingot ingot casting quantity is being kept not
Under the premise of change, realizes that GT polycrystalline ingot furnace G6 thermal field produces 165 × 165mm cell piece, be current those skilled in the art
The technical issues of urgent need to resolve.
Utility model content
One of the utility model is designed to provide a kind of for producing the polycrystalline ingot furnace of 165 × 165mm cell piece
In side heater.Another of the utility model is designed to provide a kind of for producing 165 × 165mm cell piece
Polycrystalline ingot furnace.
In order to solve the above technical problems, technical solution provided by the utility model are as follows:
Side heater in polycrystalline ingot furnace of the one kind for producing 165 × 165mm cell piece, including side front electrode are hung
Arm, the right electrode boom in side, side rear electrode boom, the vertical connecting plate of front right, it is right before vertical connecting plate, it is right after vertical connecting plate, after
Behind right vertical connecting plate, left back vertical connecting plate, left front vertical connecting plate, at least one layer of heating plate, preceding right corner portion connecting bridge, the right side
Corner connecting bridge, rear left corner connecting bridge, left front corner connecting bridge；
The transversal cross-section of the side heater is integrally in octagon；
Each layer of heating plate includes heating plate, the left heating plate of the right heating plate in side and side, the side behind heating plate, side before side
Heating plate behind preceding heating plate, side, the left heating plate of the right heating plate in side and side length direction horizontally extend, before the side
Heating plate, the positional relationship of the left heating plate of the right heating plate in side and side satisfaction are located at four of square behind heating plate, side
On side；
The left end of heating plate is bolted with side front electrode boom before the side, and before the side right end of heating plate with before
Right vertical connecting plate is bolted；
The left end of heating plate is bolted with side rear electrode boom behind the side, and behind the side right end of heating plate with after
Right vertical connecting plate is bolted；
The both ends of the right heating plate in side are bolted with connecting plate vertical behind connecting plate vertical before the right side and the right side respectively, and
It is bolted in the middle part of the right electrode boom in side and the right heating plate in the side；
The both ends of the left heating plate in side are bolted with left front vertical connecting plate and left back vertical connecting plate respectively；
The preceding right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge and left front corner connecting bridge are equal
Including horizontal plane bar beam and two vertical face bar beams, two vertical face bar beams are set to the horizontal plane bar beam
On bottom surface, the horizontal arm of the horizontal plane bar beam and the side front electrode boom is on the same horizontal plane；
One vertical face bar beam of the preceding right corner portion connecting bridge and the top bolt of the vertical connecting plate of the front right connect
It connects, and the top bolt of vertical connecting plate connects before another vertical face bar beam of the preceding right corner portion connecting bridge and the right side
It connects；
The top bolt of vertical connecting plate connects after one vertical face bar beam of the right back angle connecting bridge and the right side
It connects, and the top bolt of another vertical face bar beam of the right back angle connecting bridge and the rear right vertical connecting plate connects
It connects；
One vertical face bar beam of rear left corner connecting bridge and the horizontal arm bolt of the side rear electrode boom connect
It connects, and the top bolt of another vertical face bar beam of rear left corner connecting bridge and the left back vertical connecting plate connects
It connects；
The top bolt of one vertical face bar beam of the left front corner connecting bridge and the left front vertical connecting plate connects
It connects, and the horizontal arm bolt of another vertical face bar beam of the left front corner connecting bridge and the side front electrode boom connects
It connects.
Preferably, at least one layer of heating plate is three layers, and three layers of heating plate are spaced from top to bottom.
Preferably, before the side front electrode boom, the right electrode boom in side, side rear electrode boom, the vertical connecting plate of front right, the right side
Vertical connecting plate, rear right vertical connecting plate, left back vertical connecting plate, left front vertical connecting plate, at least one behind vertical connecting plate, the right side
Layer heating plate, preceding right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge and left front corner connecting bridge are
Carbon-carbon composite material.
Preferably, the side front electrode boom and side rear electrode boom include boom main body and vertical plane branch
Plate；
One vertical face bar beam of rear left corner connecting bridge and the vertical plane bar beam of the side rear electrode boom
Top be bolted, and another vertical face bar beam of rear left corner connecting bridge and the left back vertical connecting plate
Top is bolted；
The top bolt of one vertical face bar beam of the left front corner connecting bridge and the left front vertical connecting plate connects
It connects, and another vertical face bar beam of the left front corner connecting bridge and the vertical plane bar beam of the side front electrode boom
Top is bolted.
One kind being used to produce the polycrystalline ingot furnace of 165 × 165mm cell piece, including top surface heater and side heater,
The side heater is the side heater described in any one of above-mentioned.
Preferably, the outer length and width of the ceramic crucible in the polycrystalline ingot furnace are having a size of 1105mm × 1105mm.
The utility model provides the side heat in polycrystalline ingot furnace of the one kind for producing 165 × 165mm cell piece
Device, including side front electrode boom, the right electrode boom in side, side rear electrode boom, the vertical connecting plate of front right, it is right before vertical connecting plate,
It is vertical connecting plate behind the right side, rear right vertical connecting plate, left back vertical connecting plate, left front vertical connecting plate, at least one layer of heating plate, preceding
Right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge, left front corner connecting bridge, each layer of heating plate includes side
Heating plate, the left heating plate of the right heating plate in side and side behind preceding heating plate, side；
The application connects preceding right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge and left front corner
Bridge promotes the top to the top surface of graphite crucible, and ensure that will not interfere when graphite crucible extends out with side heater
Or sparking；
And the connection size of the electrode boom in the application is consistent with the size of existing side heater, so that in reality
In use, the existing side heater side heater in direct replacement cost application of dismantling can be realized from production
156 × 156mm cell piece is transformed into production 165 × 165mm cell piece；
Thus under the premise of GT polycrystalline ingot furnace furnace shell size constancy, and before keeping silicon ingot ingot casting quantity constant
It puts, realizes that GT polycrystalline ingot furnace G6 thermal field produces 165 × 165mm cell piece.
Detailed description of the invention
Fig. 1 is the polycrystalline ingot furnace that one kind that the embodiments of the present invention provide is used to produce 165 × 165mm cell piece
In side heater and the schematic perspective view of top surface heater (bolt and spiral shell in being bolted is not shown in the figure
Mother, the serpentine bend at top surface is located in figure is top surface heater)；
(bolts and nuts in being bolted are not shown in the figure, serpentine bend is in figure in the top view that Fig. 2 is Fig. 1
Top surface heater)；
Fig. 3 is the main view (bolts and nuts in being bolted are not shown in the figure) of Fig. 1；
Fig. 4 is the right view (bolts and nuts in being bolted are not shown in the figure) of Fig. 1.
In figure: 101 side front electrode booms, 1011 vertical plane bar beams, the right electrode boom in 102 sides, 103 side rear electrodes are hung
Arm；
The vertical connecting plate of 201 front rights,
Vertical connecting plate before 202 right sides, vertical connecting plate behind 203 right sides,
Right vertical connecting plate after 204,
205 left back vertical connecting plates, 206 left front vertical connecting plates；
Heating plate before 301 sides, heating plate behind 302 sides, the right heating plate in 303 sides, the left heating plate in 304 sides；
Right corner portion connecting bridge before 401,402 right back angle connecting bridges, 403 rear left corner connecting bridges, 404 left front corner connections
Bridge.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " axial direction ", " radial direction ", " longitudinal direction ", " cross
To ", " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside", " clockwise "
And the orientation or positional relationship of instruction " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term " vertical " and the orientation or position of "horizontal" instruction
Setting relationship is the orientation or positional relationship after being installed in polycrystalline ingot furnace based on side heater in practical application, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1~Fig. 4, Fig. 1 are that one kind that the embodiments of the present invention provide is used to produce 165 × 165mm battery
The schematic perspective view (bolts and nuts are not shown in the figure) of side heater in the polycrystalline ingot furnace of piece；Fig. 2 is Fig. 1
Top view (bolts and nuts are not shown in the figure)；Fig. 3 is the main view (bolts and nuts are not shown in the figure) of Fig. 1；Fig. 4 is figure
1 right view (bolts and nuts are not shown in the figure).
The side heater in polycrystalline ingot furnace that this application provides a kind of for producing 165 × 165mm cell piece, packet
Include side front electrode boom 101, the right electrode boom 102 in side, side rear electrode boom 103, the vertical connecting plate 201 of front right, it is right before it is vertical
Vertical connecting plate 203, rear right vertical connecting plate 204, left back vertical connecting plate 205, left front vertical connection behind connecting plate 202, the right side
Plate 206, at least one layer of heating plate, preceding right corner portion connecting bridge 401, right back angle connecting bridge 402, rear left corner connecting bridge 403 with
And left front corner connecting bridge 404；
The transversal cross-section of the side heater is integrally in octagon；
Each layer of heating plate includes heating plate 302, the right heating plate 303 in side and the left heating in side behind heating plate 301, side before side
Plate 304, before the side behind heating plate 301, side heating plate 302, the left heating plate 304 of the right heating plate 303 in side and side length side
To horizontally extending, heating plate 302, the right heating plate 303 in side and the left heating plate in side behind heating plate 301, side before the side
304 positional relationship satisfaction is located on four sides of square；
The left end of heating plate 301 is bolted with side front electrode boom 101 before the side, and heating plate 301 before the side
Right end be bolted with the vertical connecting plate 201 of front right；
The left end of heating plate 302 is bolted with side rear electrode boom 103 behind the side, and heating plate 302 behind the side
Right end be bolted with rear right vertical connecting plate 204；
The both ends of the right heating plate 303 in side respectively with 203 spiral shell of connecting plate vertical behind connecting plate 202 vertical before the right side and the right side
It tethers and connects, and the right electrode boom 102 in the side and the middle part of the right heating plate 303 in the side are bolted；
The both ends of the left heating plate 304 in side respectively with left front vertical connecting plate 206 and left back 205 spiral shell of vertical connecting plate
It tethers and connects；
The preceding right corner portion connecting bridge 401, right back angle connecting bridge 402, rear left corner connecting bridge 403 and left front corner
Connecting bridge 404 includes horizontal plane bar beam and two vertical face bar beams, and two vertical face bar beams are set to the water
On the bottom surface of plane bar beam, the horizontal arm of the horizontal plane bar beam and the side front electrode boom 101 is in the same water
In plane；
One vertical face bar beam of the preceding right corner portion connecting bridge 401 and the top of the vertical connecting plate 201 of the front right
It is bolted, and vertical connecting plate 202 before another vertical face bar beam of the preceding right corner portion connecting bridge 401 and the right side
Top be bolted；
The top of vertical connecting plate 203 after one vertical face bar beam of the right back angle connecting bridge 402 and the right side
It is bolted, and another vertical face bar beam of the right back angle connecting bridge 402 and the rear right vertical connecting plate 204
Top be bolted；
One vertical face bar beam of rear left corner connecting bridge 403 and the horizontal arm bolt of the side rear electrode boom
Connection, and the top of another vertical face bar beam of rear left corner connecting bridge 403 and the left back vertical connecting plate 205
It is bolted；
The top of one vertical face bar beam of the left front corner connecting bridge 404 and the left front vertical connecting plate 206
It is bolted, and the level of another vertical face bar beam of the left front corner connecting bridge 404 and the side front electrode boom
Arm bolt connection.
The utility model provides the side heat in polycrystalline ingot furnace of the one kind for producing 165 × 165mm cell piece
Before device, including side front electrode boom 101, the right electrode boom 102 in side, side rear electrode boom 103, the vertical connecting plate 201 of front right, the right side
Vertical connecting plate 202, it is right after vertical connecting plate 203, rear right vertical connecting plate 204, left back vertical connecting plate 205, left front vertical
Connecting plate 206, at least one layer of heating plate, preceding right corner portion connecting bridge 401, right back angle connecting bridge 402, rear left corner connecting bridge
403, left front corner connecting bridge 404, each layer of heating plate include heating plate 302, the right heating plate in side behind heating plate 301, side before side
303 and the left heating plate 304 in side；
The application is by preceding right corner portion connecting bridge 401, right back angle connecting bridge 402, rear left corner connecting bridge 403 and left front
Corner connecting bridge 404 promotes the top to the top surface of graphite crucible, and ensure that will not add when graphite crucible extends out with side
Hot device interferes or strikes sparks；
And the connection size of the electrode boom in the application is consistent with the size of existing side heater, so that in reality
In use, the existing side heater side heater in direct replacement cost application of dismantling can be realized from production
156 × 156mm cell piece is transformed into production 165 × 165mm cell piece；
Thus under the premise of GT polycrystalline ingot furnace furnace shell size constancy, and before keeping silicon ingot ingot casting quantity constant
It puts, realizes that GT polycrystalline ingot furnace G6 thermal field produces 165 × 165mm cell piece.
In one embodiment of the application, at least one layer of heating plate is three layers, and three layers of heating plate are alternate from top to bottom
Arrangement.
In one embodiment of the application, the side front electrode boom 101, the right electrode boom 102 in side, side rear electrode are hung
The vertical connecting plate 201 of arm 103, front right, it is right before vertical connecting plate 202, it is right after vertical connecting plate 203, rear right vertical connecting plate
204, behind left back vertical connecting plate 205, left front vertical connecting plate 206, at least one layer of heating plate, preceding right corner portion connecting bridge 401, the right side
Corner connecting bridge 402, rear left corner connecting bridge 403 and left front corner connecting bridge 404 are carbon-carbon composite material；
The side heater is carbon-carbon composite material, since carbon-carbon composite density ratio graphite itself is small, institute
With the side heater weight saving of the existing graphite material of the weight ratio of the side heater in the application 60%；
The mechanical properties such as the intensity, toughness due to carbon-carbon composite are more preferable than graphite, so that the side in the application adds
Hot device is more more durable than the side heater of existing graphite material, and the service life is longer；
And in the case where realizing same electrical heating power, the application designs three layers of heating plate parallel connection up and down, so that this Shen
Please in the wall thickness of side heater only need 5-6mm, than the wall thickness reduction 10mm or more of the side heater of graphite material,
So as to expand the radial dimension of thermal field in polycrystalline ingot furnace；
To be thinned the thickness of side heater, and the weight of side heater is alleviated simultaneously, improve side and add
The service life of hot device, the further dilatation for thermal field in polycrystalline silicon ingot or purifying furnace provide achievable condition.
In one embodiment of the application, the side front electrode boom 101 and side rear electrode boom 103 include hanging
Arm body and vertical plane bar beam；
One vertical face bar beam of rear left corner connecting bridge 403 and the vertical plane branch of the side rear electrode boom
The top of plate is bolted, and another vertical face bar beam of rear left corner connecting bridge 403 left back vertically connects with described
The top of fishplate bar 205 is bolted；
The top of one vertical face bar beam of the left front corner connecting bridge 404 and the left front vertical connecting plate 206
It is bolted, and another vertical face bar beam of the left front corner connecting bridge 404 and the side front electrode boom is vertical
The top of face bar beam 1011 is bolted.
Present invention also provides a kind of for producing the polycrystalline ingot furnace of 165 × 165mm cell piece, including top surface heater
With side heater, the side heater is the side heater described in any one of above-mentioned.
In one embodiment of the application, the outer length and width of the ceramic crucible in the polycrystalline ingot furnace are having a size of 1105mm
×1105mm。
The method and apparatus of the not detailed description of the utility model are the prior art, are repeated no more.
Specific embodiment used herein is expounded the principles of the present invention and embodiment, the above implementation
The explanation of example is merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of this utility model, can also to the utility model carry out it is several
Improvement and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (6)
1. the side heater in a kind of polycrystalline ingot furnace for producing cell piece, the cell piece are 165 × 165mm, feature exists
In, including side front electrode boom, the right electrode boom in side, side rear electrode boom, the vertical connecting plate of front right, it is right before vertical connecting plate,
It is vertical connecting plate behind the right side, rear right vertical connecting plate, left back vertical connecting plate, left front vertical connecting plate, at least one layer of heating plate, preceding
Right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge, left front corner connecting bridge；
The transversal cross-section of the side heater is integrally in octagon；
Each layer of heating plate includes heating plate, the left heating plate of the right heating plate in side and side behind heating plate, side before side, before the side plus
Heating plate behind hot plate, side, the left heating plate of the right heating plate in side and side length direction horizontally extend, heated before the side
Heating plate, the positional relationship of the left heating plate of the right heating plate in side and side meet four sides for being located at square behind plate, side
On；
The left end of heating plate is bolted with side front electrode boom before the side, and the right end of heating plate and front right are perpendicular before the side
It is bolted to connecting plate；
The left end of heating plate is bolted with side rear electrode boom behind the side, and the right end of heating plate and the rear right side are perpendicular behind the side
It is bolted to connecting plate；
The both ends of the right heating plate in side are bolted with connecting plate vertical behind connecting plate vertical before the right side and the right side respectively, and described
It is bolted in the middle part of the right electrode boom in side and the right heating plate in the side；
The both ends of the left heating plate in side are bolted with left front vertical connecting plate and left back vertical connecting plate respectively；
The preceding right corner portion connecting bridge, right back angle connecting bridge, rear left corner connecting bridge and left front corner connecting bridge include
Horizontal plane bar beam and two vertical face bar beams, two vertical face bar beams are set to the bottom table of the horizontal plane bar beam
On face, the horizontal arm of the horizontal plane bar beam and the side front electrode boom is on the same horizontal plane；
One vertical face bar beam of the preceding right corner portion connecting bridge and the top of the vertical connecting plate of the front right are bolted, and
Another vertical face bar beam of the preceding right corner portion connecting bridge and the top of vertical connecting plate before the right side are bolted；
One vertical face bar beam of the right back angle connecting bridge and the top of vertical connecting plate behind the right side are bolted, and
Another vertical face bar beam of the right back angle connecting bridge and the top of the rear right vertical connecting plate are bolted；
One vertical face bar beam of rear left corner connecting bridge and the horizontal arm of the side rear electrode boom are bolted, and
Another vertical face bar beam of rear left corner connecting bridge and the top of the left back vertical connecting plate are bolted；
One vertical face bar beam of the left front corner connecting bridge and the top of the left front vertical connecting plate are bolted, and
Another vertical face bar beam of the left front corner connecting bridge and the horizontal arm of the side front electrode boom are bolted.
2. side heater according to claim 1, which is characterized in that at least one layer of heating plate is three layers, and three layers add
Hot plate is spaced from top to bottom.
3. side heater according to claim 1, which is characterized in that the side front electrode boom, the right electrode boom in side,
The vertical connecting plate of side rear electrode boom, front right, it is right before vertical connecting plate, it is right after vertical connecting plate, rear right vertical connecting plate, left back
Vertical connecting plate, left front vertical connecting plate, at least one layer of heating plate, preceding right corner portion connecting bridge, right back angle connecting bridge, rear left comer
Portion's connecting bridge and left front corner connecting bridge are carbon-carbon composite material.
4. side heater according to claim 1, which is characterized in that the side front electrode boom and side rear electrode are hung
Arm includes boom main body and vertical plane bar beam；
The top of the vertical plane bar beam of a vertical face bar beam and side rear electrode boom for rear left corner connecting bridge
End is bolted, and the top of another vertical face bar beam of rear left corner connecting bridge and the left back vertical connecting plate
It is bolted；
One vertical face bar beam of the left front corner connecting bridge and the top of the left front vertical connecting plate are bolted, and
The top of the vertical plane bar beam of another vertical face bar beam and side front electrode boom of the left front corner connecting bridge
It is bolted.
5. a kind of polycrystalline ingot furnace for producing cell piece, including top surface heater and side heater, which is 165 ×
165mm, which is characterized in that the side heater is side heater described in any one of Claims 1 to 4.
6. polycrystalline ingot furnace according to claim 5, which is characterized in that ceramic crucible in the polycrystalline ingot furnace it is outer
Length and width dimensions are 1105mm × 1105mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389759.7U CN208201172U (en) | 2018-03-21 | 2018-03-21 | Produce the polycrystalline ingot furnace and its side heater of cell piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389759.7U CN208201172U (en) | 2018-03-21 | 2018-03-21 | Produce the polycrystalline ingot furnace and its side heater of cell piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565163A (en) * | 2019-10-17 | 2019-12-13 | 晶科能源有限公司 | Ingot casting heater and ingot casting furnace |
| CN110670130A (en) * | 2019-10-12 | 2020-01-10 | 包头美科硅能源有限公司 | Novel lateral heater suitable for polycrystalline ingot casting |
-
2018
- 2018-03-21 CN CN201820389759.7U patent/CN208201172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670130A (en) * | 2019-10-12 | 2020-01-10 | 包头美科硅能源有限公司 | Novel lateral heater suitable for polycrystalline ingot casting |
| CN110565163A (en) * | 2019-10-17 | 2019-12-13 | 晶科能源有限公司 | Ingot casting heater and ingot casting furnace |
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