CN107604436A - A kind of G7 stoves of movable side heater - Google Patents
A kind of G7 stoves of movable side heater Download PDFInfo
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- CN107604436A CN107604436A CN201711053635.8A CN201711053635A CN107604436A CN 107604436 A CN107604436 A CN 107604436A CN 201711053635 A CN201711053635 A CN 201711053635A CN 107604436 A CN107604436 A CN 107604436A
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Abstract
The invention discloses a kind of G7 stoves of movable side heater, it is related to photovoltaic manufacturing field, including crucible, heater top, side heater, also include body of heater, heat-insulation system, carry cooling system, graphite electrode, kerbstone ink arm, copper electrode one and copper electrode two, mandrel both sides, which are located therein, at the top of body of heater is respectively equipped with asymmetric through hole one and through hole two, upper heat preservation module position is provided with through hole three and through hole four, through hole one and through hole three, through hole two and through hole four are distributed in same vertical direction two-by-two respectively, copper electrode one is fixed in through hole one and stretches into through hole three to be fixed with heater top, copper electrode two passes through through hole two, graphite electrode is through through hole four and is fixed on the bottom of copper electrode two, kerbstone ink arm is fixed on graphite electrode bottom, side heater is fixed on kerbstone ink arm bottom, elevating screw is provided with through hole two.For half it is warm melt process characteristic, and G7 big inventory entirely, be designed to movable side heater thermal field structure.
Description
Technical field
The present invention relates to photovoltaic manufacturing field, more particularly to a kind of G7 stoves of movable side heater.
Background technology
Solar cell has had been to be concerned by more and more people as reproducible eco-friendly power source, relative production
Technique and production equipment have also obtained swift and violent development.Wherein, enjoy people's for manufacturing the polycrystalline ingot furnace of polycrystal silicon ingot
Concern.Polycrystalline ingot furnace uses growing silicon crystal by directional solidification method mostly, and its principle is：The polycrystalline silicon raw material of certain purity is put
Put in quartz ceramic crucible, through specific thermal field structure system, be heated to being completely melt；Then heat-insulation cage is opened from crucible
Bottom is begun to cool down, and silicon solution starts to crystallize in crucible bottom, gradually grows up；After completing growth course, it will usually will be every
Hot cage re-closes, and is cooled down after polycrystalline cast ingot is incubated into a period of time annealing.
Existing polycrystalline silicon ingot casting technology be divided into it is complete it is warm partly melt technology, it will to the thermograde of axial direction in heating and melting
Ask on the contrary, preventing same thermal field from taking into account both techniques.As G7 polycrystalline silicon ingot castings throw being continuously increased for furnace volume, big ingot
Highly it is continuously increased, the side heater of fixed position can not all be formed since long crystalline substance to long brilliant end to solid-liquid growth interface
Heat supports.
The content of the invention
The present invention is directed to above-mentioned technical problem, the shortcomings that overcoming prior art, there is provided a kind of movable side heater
G7 stoves, for half it is warm melt process characteristic, and G7 big inventory entirely, be designed to movable side heater thermal field structure.
In order to solve the above technical problems, the present invention provides a kind of G7 stoves of movable side heater, including crucible, top
Heater, side heater, in addition to body of heater, heat-insulation system, carrying cooling system, graphite electrode, kerbstone ink arm, copper electrode one
With copper electrode two, heat-insulation system is in body of heater and upper heat preservation module, side heat preservation module and bottom including forming heat insulation cavity are protected
Warm module, crucible is in heat insulation cavity, and carrying cooling system is located at crucible bottom and including plummer and cooling block, body of heater top
Portion is located at central shaft both sides and is respectively equipped with asymmetric through hole one and through hole two, and upper heat preservation module position is provided with through hole three and led to
Kong Si, through hole one and through hole three, through hole two and through hole four are distributed in same vertical direction two-by-two respectively, and copper electrode one is fixed on logical
In hole one and stretch into through hole three and fixed with heater top, copper electrode two pass through through hole two, and graphite electrode passes through through hole four and fixation
In the bottom of copper electrode two, kerbstone ink arm is fixed on graphite electrode bottom, and side heater is fixed on kerbstone ink arm bottom, copper electricity
Pole two, graphite electrode and kerbstone ink arm are located at same vertical direction, and elevating screw is provided with through hole two by copper electrode two and stove
Body liftable is fixed.
Technique effect：The structure that the present invention designs is different from the thermal field structure that traditional side heater is fixed, the heating of its side
Device is fixed on body of heater not by graphite electrode and copper electrode, and is designed to movable side heater thermal field structure, can
The warm full G7 thermal fields for melting technique of compatibility half, considerably increase technological flexibility.
The technical scheme that further limits of the present invention is：
Further, it is respectively kept with unilateral gap between graphite electrode and upper heat preservation module, copper electrode two and body of heater.
A kind of G7 stoves of preceding described movable side heater, through hole two and the interior aluminum oxide that is provided with of through hole four are electrically insulated
Plate.
A kind of G7 stoves of preceding described movable side heater, aluminum oxide electrical insulating board and graphite electrode, copper electrode two
Unilateral distance be more than 5mm.
A kind of G7 stoves of preceding described movable side heater, are provided with bellows between elevating screw and copper electrode one.
The beneficial effects of the invention are as follows：
（1）Bellows plays sealing function in the present invention, and body of heater air-tightness can be kept when copper electrode two moves；
（2）The thermal field structure that the present invention designs is applied to big inventory, so as to add the production capacity of table, reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Wherein：1st, crucible；2nd, heater top；3rd, side heater；4th, body of heater；4a, through hole one；4b, through hole two；5th, upper insulation mould
Block；5a, through hole three；5b, through hole four；6th, side heat preservation module；7th, bottom heat preservation module；8th, plummer and cooling block；9th, graphite electrode；
10th, kerbstone ink arm；11st, copper electrode one；12nd, copper electrode two；13rd, elevating screw；14th, bellows.
Embodiment
A kind of G7 stoves for movable side heater that the present embodiment provides, structure including crucible 1, top as shown in figure 1, add
Hot device 2, side heater 3, in addition to body of heater 4, heat-insulation system, carrying cooling system, graphite electrode 9, kerbstone ink arm 10, copper electricity
Pole 1 and copper electrode 2 12.
Heat-insulation system is in body of heater 4 and upper heat preservation module 5, side heat preservation module 6 and bottom including forming heat insulation cavity are protected
Warm module 7.Crucible 1 is in heat insulation cavity, and carrying cooling system is located at the bottom of crucible 1 and including plummer and cooling block 8.
The top of body of heater 4 is located therein mandrel both sides and is respectively equipped with the asymmetric 4a of through hole one and through hole two 4b, upper insulation mould
Block 5 is provided with the 5a of through hole three and through hole four 5b, the 4a of through hole one and the 5a of through hole three, the 4b of through hole two and the 5b of through hole four divides two-by-two respectively
It is distributed in same vertical direction.Copper electrode 1 is fixed in the 4a of through hole one and stretches into the 5a of through hole three to be fixed with heater top 2, copper electricity
Pole 2 12 passes through the 4b of through hole two, and graphite electrode 9 is through the 5b of through hole four and is fixed on the bottom of copper electrode 2 12, and kerbstone ink arm 10 is solid
Due to the bottom of graphite electrode 9, side heater 3 is fixed on the bottom of kerbstone ink arm 10, copper electrode 2 12, graphite electrode 9 and kerbstone
Black arm 10 is located at same vertical direction.Copper electrode 2 12 and the liftable of body of heater 4 are consolidated provided with elevating screw 13 in the 4b of through hole two
It is fixed, bellows 14 is provided between elevating screw 13 and copper electrode 1.Graphite electrode 9 and upper heat preservation module 5, copper electrode 2 12 with
Unilateral gap is respectively kept between body of heater 4.Aluminum oxide electrical insulating board is provided with the 4b of the through hole two and 5b of through hole four.Aluminum oxide is electrically insulated
Plate is more than 5mm with graphite electrode 9, the unilateral distance of copper electrode 2 12.
Operation principle：The present invention is improved for the heating part of traditional G7 thermal field structures, and kerbstone ink arm 10 is no longer
Using the form at turning, but copper electrode 2 12, graphite electrode 9 and kerbstone ink arm 10 are set on the same line, copper electricity
The position of pole 2 12 through the position of body of heater 4 and the 4b of through hole two also accordingly changes.No longer used between copper electrode 2 12 and body of heater 4
Fixed mode, but installed additional by the way of elevating screw 13 supports, and between elevating screw 13 and copper electrode 2 12
Bellows 14, the synchronization lifting of elevating screw 13 can rise or fall side heater 3, and bellows 14 can be in copper electrode two
The air-tightness of body of heater 4 is kept during 12 movement.
The present invention is fixed on body of heater 4 by the elevating screw 13 of graphite electrode 9, copper electrode 2 12 and outside.For complete
Melt technique, in the heating and melting stage, in order that the temperature of the bottom of crucible 1 is high, side heater 3 can be reduced；And in crystal growing stage,
As solid-liquid growth interface constantly raises, lifting side heater 3 arrives relevant position, so that the full crystal mass for melting technique is kept
It is preferably horizontal.For partly melting technique, in the heating and melting stage, in order that the bottom temp of crucible 1 is less high, it is necessary to side heater
Appropriate location is moved on on 3, and is transferred to after crystal growing stage, it is necessary to suitably reduce side heater 3 so that the long crystalline substance of bottommost has suitably
Radial symmetry gradient；And as long brilliant height constantly increases, side heater 3 follows rise, to realize Whole Process Control.
The warm full G7 thermal fields for melting technique of the present invention compatible half, considerably increase technological flexibility；Suitable for feeding intake greatly
Amount, so as to add the production capacity of table, reduces cost, relative to traditional G7 tables, can increase by about 10% production capacity.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domains of application claims.
Claims (5)
1. a kind of G7 stoves of movable side heater, including crucible（1）, heater top（2）, side heater（3）, its feature exists
In：Also include body of heater（4）, heat-insulation system, carrying cooling system, graphite electrode（9）, kerbstone ink arm（10）, copper electrode one
（11）With copper electrode two（12）, the heat-insulation system is located at the body of heater（4）Upper insulation mould that is interior and including composition heat insulation cavity
Block（5）, side heat preservation module（6）With bottom heat preservation module（7）, the crucible（1）In the heat insulation cavity, the carrying cooling
System is located at the crucible（1）Bottom and including plummer and cooling block（8）, the body of heater（4）Top is located therein mandrel two
Side is respectively equipped with asymmetric through hole one（4a）With through hole two（4b）, the upper heat preservation module（5）Position is provided with through hole three（5a）
With through hole four（5b）, the through hole one（4a）With through hole three（5a）, the through hole two（4b）With through hole four（5b）Divide two-by-two respectively
It is distributed in same vertical direction, the copper electrode one（11）It is fixed on the through hole one（4a）It is interior and stretch into the through hole three（5a）With
The heater top（2）It is fixed, the copper electrode two（12）Through the through hole two（4b）, the graphite electrode（9）Through institute
State through hole four（5b）And it is fixed on the copper electrode two（12）Bottom, the kerbstone ink arm（10）It is fixed on the graphite electrode
（9）Bottom, the side heater（3）It is fixed on the kerbstone ink arm（10）Bottom, the copper electrode two（12）, graphite electrode
（9）With kerbstone ink arm（10）Positioned at same vertical direction, the through hole two（4b）It is interior to be provided with elevating screw（13）By the copper
Electrode two（12）With body of heater（4）Liftable is fixed.
A kind of 2. G7 stoves of movable side heater according to claim 1, it is characterised in that：The graphite electrode
（9）With upper heat preservation module（5）, the copper electrode two（12）With body of heater（4）Between be respectively kept with unilateral gap.
A kind of 3. G7 stoves of movable side heater according to claim 2, it is characterised in that：The through hole two（4b）
With through hole four（5b）It is interior to be provided with aluminum oxide electrical insulating board.
A kind of 4. G7 stoves of movable side heater according to claim 3, it is characterised in that：The aluminum oxide electricity is absolutely
Listrium and the graphite electrode（9）, copper electrode two（12）Unilateral distance be more than 5mm.
A kind of 5. G7 stoves of movable side heater according to claim 1, it is characterised in that：The elevating screw
（13）With the copper electrode one（11）Between be provided with bellows（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053635.8A CN107604436A (en) | 2017-10-31 | 2017-10-31 | A kind of G7 stoves of movable side heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053635.8A CN107604436A (en) | 2017-10-31 | 2017-10-31 | A kind of G7 stoves of movable side heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107604436A true CN107604436A (en) | 2018-01-19 |
Family
ID=61084700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711053635.8A Pending CN107604436A (en) | 2017-10-31 | 2017-10-31 | A kind of G7 stoves of movable side heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN107604436A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588825A (en) * | 2018-07-06 | 2018-09-28 | 浙江精功科技股份有限公司 | A kind of moveable ingot furnace of side heater and its casting ingot process |
| CN109537050A (en) * | 2018-12-24 | 2019-03-29 | 晶科能源有限公司 | A kind of ingot furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100024675A (en) * | 2008-08-26 | 2010-03-08 | 주식회사 아바코 | Manufacturing equipment for ingot and method of manufacturing the ingot |
| CN102732947A (en) * | 2012-06-20 | 2012-10-17 | 常州天合光能有限公司 | Ingot thermal field for growing pure quasi-monocrystalline |
| CN204779922U (en) * | 2015-06-04 | 2015-11-18 | 浙江精功科技股份有限公司 | Ingot furnace with side heater elevating gear |
| CN206359656U (en) * | 2016-10-18 | 2017-07-28 | 浙江晶鸿新能源科技有限公司 | A kind of polycrystalline silicon ingot or purifying furnace |
-
2017
- 2017-10-31 CN CN201711053635.8A patent/CN107604436A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100024675A (en) * | 2008-08-26 | 2010-03-08 | 주식회사 아바코 | Manufacturing equipment for ingot and method of manufacturing the ingot |
| CN102732947A (en) * | 2012-06-20 | 2012-10-17 | 常州天合光能有限公司 | Ingot thermal field for growing pure quasi-monocrystalline |
| CN204779922U (en) * | 2015-06-04 | 2015-11-18 | 浙江精功科技股份有限公司 | Ingot furnace with side heater elevating gear |
| CN206359656U (en) * | 2016-10-18 | 2017-07-28 | 浙江晶鸿新能源科技有限公司 | A kind of polycrystalline silicon ingot or purifying furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588825A (en) * | 2018-07-06 | 2018-09-28 | 浙江精功科技股份有限公司 | A kind of moveable ingot furnace of side heater and its casting ingot process |
| CN108588825B (en) * | 2018-07-06 | 2024-03-15 | 浙江精工集成科技股份有限公司 | Ingot furnace with movable side heater and ingot casting process thereof |
| CN109537050A (en) * | 2018-12-24 | 2019-03-29 | 晶科能源有限公司 | A kind of ingot furnace |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu Meike Solar Energy Technology Co.,Ltd. Address before: 968 GANGLONG Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Applicant before: JIANGSU GAOZHAO NEW ENERGY DEVELOPMENT Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu Meike Solar Energy Technology Co.,Ltd. Address before: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Applicant before: Jiangsu Meike Solar Energy Technology Co.,Ltd. |