CN105803526A - Polycrystal ingot furnace thermal field - Google Patents
Polycrystal ingot furnace thermal field Download PDFInfo
- Publication number
- CN105803526A CN105803526A CN201610323286.6A CN201610323286A CN105803526A CN 105803526 A CN105803526 A CN 105803526A CN 201610323286 A CN201610323286 A CN 201610323286A CN 105803526 A CN105803526 A CN 105803526A
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- thermal field
- plate
- heat
- insulation cage
- ingot furnace
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B28/00—Production of homogeneous polycrystalline material with defined structure
- C30B28/04—Production of homogeneous polycrystalline material with defined structure from liquids
- C30B28/06—Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a polycrystal ingot furnace thermal field.The polycrystal ingot furnace thermal field comprises a furnace body, thermal insulation cage devices are arranged in the furnace body, a thermal field heat preservation device is arranged in each thermal insulation cage device, each thermal insulation cage device is a rectangular columnar shell, each rectangular columnar shell comprises four steel frame faces which are connected through side corner plates, a connecting plate is arranged at the bottom of each side corner plate, supporting plates are arranged on each thermal insulation cage device, three lifting plates are arranged on each supporting plate, and a heat preservation bottom plate is arranged at the bottom of each thermal insulation cage device; each thermal field heat preservation device comprises a heater component, four inner heat preservation plates are arranged at the outer side of each heater component and connected with one another through inner side corner heat preservation plates, and four outer heat preservation plates are arranged at the outer sides of the four corresponding inner heat preservation plates and connected with one another through outer side corner heat preservation plates.By means of the polycrystal ingot furnace thermal field, uniform symmetry between a thermal insulation cage and a furnace body structure can be met, eccentricity of the thermal field is improved, polycrystalline silicon ingots high in yield can be produced, in addition, the polycrystal ingot furnace thermal field is superior to common ingot furnace equipment in quality of crystal ingots and energy consumption of ingot casting, and equipment and personnel safety are effectively guaranteed.
Description
Technical field
The present invention relates to and relate to a kind of polycrystalline ingot furnace thermal field.
Background technology
Along with the progress of expanding economy, society, the energy is proposed increasingly higher requirement by people, and finding new forms of energy becomes the urgent problem that current mankind faces.Mainly there are thermoelectricity, water power and nuclear power three kinds in the source of existing electric power energy, but the environment that we are depended on for existence by the these three energy all in various degree impacts, and there is various installation hidden danger.And the regenerative resource not having a rest of the solar energy inexhaustible use that is the mankind, also it is clean energy resource, its aboundresources, both can freely use, again without transport, create a kind of new lifestyle for the mankind, make society and the mankind enter one and save the epoch that energy minimizing is polluted.Crystal silicon solar photovoltaic generation is with fastest developing speed at present, most active and developmental research potentiality utilize field, and in crystal silicon battery material fabrication process, topmost mode is based on polycrystalline cast ingot.The method is by the fusing of high-temperature heating inside ingot furnace by polycrystalline silicon material, is eventually fabricated required finished product polycrystal silicon ingot again through process directional long crystal.
Mass discrepancy because of silicon ingot central area silico briquette Yu edge silico briquette, large-sized crystal ingot can be increased to 44% center silico briquette ratio by 36%, so part silicon ingot producer starts to produce G6(large scale) silicon ingot of specification, but lack the cognition to thermal field performance during transformation, polycrystalline thermal field is not single provides heat energy for polycrystal silicon ingot fusing, also needs to provide rational temperature gradient field in long brilliant process.Existing thermal field is because of the deficiency in design structure, it is difficult to meet quality of production requirement, and the power consumption of improved table thermal field is relatively big, and is unfavorable for producing high efficiency polysilicon product.In order to manufacture the high conversion efficiency polycrystal silicon ingot product of high-quality, by thermal field isothermal curve is simulated, control crystal ingot growth temperature gradient, design novel ingot furnace thermal field, reach the purpose of induced nucleation high quality ingot.Further, since silicon ingot size increases, considerably increase the quality test of the silica crucible that ingot casting is used, if the crucible silicon hydrorrhea stream caused that breaks does not find in time in ingot casting process, it is possible to causing furnace chamber burn through, consequence is hardly imaginable.
Summary of the invention
Its purpose of the present invention is that a kind of polycrystalline ingot furnace thermal field of offer, solve crucible in ingot casting process to break the problem that the silicon hydrorrhea stream that causes do not find to be likely to cause furnace chamber burn through in time, have and improve crystal ingot earning rate, improve crystal mass, reduce the feature that energy consumption, safety are high, the present invention meets heat-insulation cage with furnace binding symmetrically, improve thermal field bias, can not only the polycrystal silicon ingot of output superior returns, and crystal ingot quality and ingot casting energy consumption are better than common ingot furnace equipment, and support equipment and personal security effectively.
The technical scheme realizing above-mentioned purpose and take, including body of heater, being provided with heat-insulation cage device in body of heater, be provided with thermal field attemperator in heat-insulation cage device, described heat-insulation cage device is rectangular cylindrical housing, rectangular cylindrical housing includes 4 steelframe faces, connecting side angle plate between 4 steelframe faces, side gusset bottom is provided with connecting plate, and heat-insulation cage device is provided with gripper shoe, gripper shoe is provided with 3 risers, and described heat-insulation cage bottom of device is provided with heat-preservation bottom；Described thermal field attemperator includes heater block, is provided with 4 blocks of inside holding plates outside heater block, and 4 blocks of inside holding plates are connected with each other by medial angle warming plate, is provided with 4 pieces of heat-insulation plate for external outside inside holding plate, and 4 pieces of heat-insulation plate for external are connected with each other by laterior horn warming plate.
Beneficial effect
Compared with prior art the present invention has the following advantages.
The invention solves the silicon hydrorrhea stream caused that breaks of crucible in ingot casting process not find in time, the problem being likely to cause furnace chamber burn through, heat-insulation cage can be met with furnace binding symmetrically, improve thermal field bias, there is features such as being easy to assembling, and crystal ingot earning rate can be effectively improved, improve crystal mass, reducing energy consumption, safety is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the polycrystalline ingot furnace thermal field structure diagrammatic top view of the present invention；
Fig. 2 is heat-insulation cage apparatus structure schematic diagram in the present invention；
Fig. 3 is thermal field attemperator structural representation in the present invention；
Fig. 4 is corner board structure schematic front view in side in the present invention；
Fig. 5 is corner board structure diagrammatic top view in side in the present invention；
Fig. 6 is riser structural representation in the present invention；
Fig. 7 is heat-preservation bottom structural representation in the present invention；
Fig. 8 is A-A sectional view in Fig. 7.
Detailed description of the invention
A kind of polycrystalline ingot furnace thermal field, including body of heater 1, is provided with heat-insulation cage device 2 in body of heater 1, thermal field attemperator 3 it is provided with in heat-insulation cage device 2, as it is shown in figure 1, described heat-insulation cage device 2 is rectangular cylindrical housing, as shown in Figure 2, rectangular cylindrical housing includes 4 steelframe faces 25, connecting side angle plate 23 between 4 steelframe faces 25, be provided with connecting plate 27 bottom side angle plate 23, heat-insulation cage device 2 is provided with gripper shoe 22, gripper shoe 22 is provided with 3 risers 21, is provided with heat-preservation bottom 28 bottom described heat-insulation cage device 2；Described thermal field attemperator 3 includes heater block 31, as shown in Figure 3,4 blocks of inside holding plates 32 it are provided with outside heater block 31,4 blocks of inside holding plates 32 are connected with each other by medial angle warming plate 33, it is provided with 34,4 pieces of heat-insulation plate for external 34 of 4 pieces of heat-insulation plate for external outside inside holding plate 32 to be connected with each other by laterior horn warming plate 35.
Described side angle plate 23 includes epipleural, lower side panel 2 pieces, epipleural, lower side panel both sides are equipped with flanging 231 for connecting steelframe face 25, contiguous block 233 it is provided with for connecting the connecting plate 27 bottom side angle plate 23 bottom lower side panel, described side angle plate 23 is provided with gusset louvre 232, as shown in Figure 4, Figure 5.
Described riser 21 is provided with hole for hoist 212, hole 211, location, and riser 21 is provided with 3 pieces, as shown in Figure 6.
Described inside holding plate 32 is upper and lower staggered design with heat-insulation plate for external 34, medial angle warming plate 33, laterior horn warming plate 35 design thickness respectively 18mm and 32mm.
Described heat-preservation bottom 28 is provided with 16 infundibulate spout holes 29, and the upper opening length of spout hole 29 is 50mm, width be 20mm, groove depth is 33mm, the perforate bottom slotting position correspondence crucible guard boards, as shown in Figure 7, Figure 8.
Described steelframe face 25 includes 3 connection straps 26 of 3 foundation bars 24 and vertical sill strip 24, as shown in Figure 2.
Riser (21) is 3 pieces, adopts one of riser and heat-insulation cage upper beam to use hole that hole mistake proofing is processed, it is to avoid to install and make mistakes, and other two pieces of risers use semicircle orifice design so that it is in use there is certain left-right balance space.
The warming plate of medial angle warming plate 33, laterior horn warming plate 35 design 50mm thickness altogether also ensure that, while ensure that silicon ingot institute calorific requirement, the diagonal-size that thermal field is enough.
Described connection strap 26 lower end is provided with robust structure.
Claims (6)
1. a polycrystalline ingot furnace thermal field, including body of heater (1), heat-insulation cage device (2) it is provided with in body of heater (1), thermal field attemperator (3) it is provided with in heat-insulation cage device (2), it is characterized in that, described heat-insulation cage device (2) is rectangular cylindrical housing, rectangular cylindrical housing includes 4 steelframe faces (25), side angle plate (23) is connected between 4 steelframe faces (25), side angle plate (23) bottom is provided with connecting plate (27), heat-insulation cage device (2) is provided with gripper shoe (22), gripper shoe (22) is provided with 3 risers (21), described heat-insulation cage device (2) bottom is provided with heat-preservation bottom (28)；Described thermal field attemperator (3) includes heater block (31), heater block (31) outside is provided with 4 pieces of inside holding plates (32), 4 pieces of inside holding plates (32) are connected with each other by medial angle warming plate (33), inside holding plate (32) outside is provided with 4 pieces of heat-insulation plate for external (34), and 4 pieces of heat-insulation plate for external (34) are connected with each other by laterior horn warming plate (35).
2. a kind of polycrystalline ingot furnace thermal field according to claim 1, it is characterized in that, described side angle plate (23) includes epipleural, lower side panel 2 pieces, epipleural, lower side panel both sides are equipped with flanging (231) and are used for connecting steelframe face (25), being provided with contiguous block (233) bottom lower side panel and be used for connecting the connecting plate (27) of side angle plate (23) bottom, described side angle plate (23) is provided with gusset louvre (232).
3. a kind of polycrystalline ingot furnace thermal field according to claim 1, it is characterised in that described riser (21) is provided with hole for hoist (212), hole, location (211), and riser (21) is provided with 3 pieces.
4. a kind of polycrystalline ingot furnace thermal field according to claim 1, it is characterized in that, described inside holding plate (32) and heat-insulation plate for external (34) are upper and lower staggered design, medial angle warming plate (33), laterior horn warming plate (35) design thickness respectively 18mm and 32mm.
5. a kind of polycrystalline ingot furnace thermal field according to claim 1, it is characterized in that, described heat-preservation bottom (28) is provided with 16 infundibulate spout holes (29), the upper opening length of spout hole (29) is 50mm, width be 20mm, groove depth is 33mm, the perforate bottom slotting position correspondence crucible guard boards.
6. a kind of polycrystalline ingot furnace thermal field according to claim 1, it is characterised in that described steelframe face (25) includes 3 connection straps (26) of 3 foundation bars (24) and vertical sill strip (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323286.6A CN105803526A (en) | 2016-05-17 | 2016-05-17 | Polycrystal ingot furnace thermal field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323286.6A CN105803526A (en) | 2016-05-17 | 2016-05-17 | Polycrystal ingot furnace thermal field |
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| CN105803526A true CN105803526A (en) | 2016-07-27 |
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| CN201610323286.6A Pending CN105803526A (en) | 2016-05-17 | 2016-05-17 | Polycrystal ingot furnace thermal field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702485A (en) * | 2017-03-14 | 2017-05-24 | 晶科能源有限公司 | Polycrystal ingot furnace |
| CN107513766A (en) * | 2017-10-16 | 2017-12-26 | 江苏美科硅能源有限公司 | A kind of heat-insulation cage metal frame for being used to cast chamfering G7 polysilicons |
| CN107620120A (en) * | 2017-09-11 | 2018-01-23 | 江西旭阳雷迪高科技股份有限公司 | A kind of polycrystalline furnace thermal field for casting quasi- G7 silicon ingots |
| CN107829136A (en) * | 2017-12-21 | 2018-03-23 | 江西旭阳雷迪高科技股份有限公司 | A kind of Edge Heating system of quasi- G7 ingot castings thermal field |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202072801U (en) * | 2011-05-12 | 2011-12-14 | 石金精密科技（深圳）有限公司 | Heat-insulation cage |
| CN203159744U (en) * | 2013-03-21 | 2013-08-28 | 深圳市石金科技有限公司 | Thermal insulation cage for polysilicon ingot furnace |
| CN203530489U (en) * | 2013-11-14 | 2014-04-09 | 乐山新天源太阳能科技有限公司 | Polycrystalline silicon ingot furnace thermal field structure |
| CN203795016U (en) * | 2014-03-13 | 2014-08-27 | 常州兆晶光能有限公司 | Polysilicon ingot casting furnace jacketing heat insulation cage |
| CN203795012U (en) * | 2014-03-13 | 2014-08-27 | 常州兆晶光能有限公司 | Bottom coagulation-aiding device for polycrystalline silicon cast ingot furnace |
| CN104451874A (en) * | 2014-11-20 | 2015-03-25 | 英利集团有限公司 | Preparation method of ingot furnace and silicon ingot |
| CN105386123A (en) * | 2015-12-21 | 2016-03-09 | 晶科能源有限公司 | Polycrystalline ingot casting furnace and side portion thermal insulation apparatus thereof |
| CN205774920U (en) * | 2016-05-17 | 2016-12-07 | 江西旭阳雷迪高科技股份有限公司 | A kind of polycrystalline ingot furnace thermal field |
-
2016
- 2016-05-17 CN CN201610323286.6A patent/CN105803526A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202072801U (en) * | 2011-05-12 | 2011-12-14 | 石金精密科技（深圳）有限公司 | Heat-insulation cage |
| CN203159744U (en) * | 2013-03-21 | 2013-08-28 | 深圳市石金科技有限公司 | Thermal insulation cage for polysilicon ingot furnace |
| CN203530489U (en) * | 2013-11-14 | 2014-04-09 | 乐山新天源太阳能科技有限公司 | Polycrystalline silicon ingot furnace thermal field structure |
| CN203795016U (en) * | 2014-03-13 | 2014-08-27 | 常州兆晶光能有限公司 | Polysilicon ingot casting furnace jacketing heat insulation cage |
| CN203795012U (en) * | 2014-03-13 | 2014-08-27 | 常州兆晶光能有限公司 | Bottom coagulation-aiding device for polycrystalline silicon cast ingot furnace |
| CN104451874A (en) * | 2014-11-20 | 2015-03-25 | 英利集团有限公司 | Preparation method of ingot furnace and silicon ingot |
| CN105386123A (en) * | 2015-12-21 | 2016-03-09 | 晶科能源有限公司 | Polycrystalline ingot casting furnace and side portion thermal insulation apparatus thereof |
| CN205774920U (en) * | 2016-05-17 | 2016-12-07 | 江西旭阳雷迪高科技股份有限公司 | A kind of polycrystalline ingot furnace thermal field |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702485A (en) * | 2017-03-14 | 2017-05-24 | 晶科能源有限公司 | Polycrystal ingot furnace |
| CN107620120A (en) * | 2017-09-11 | 2018-01-23 | 江西旭阳雷迪高科技股份有限公司 | A kind of polycrystalline furnace thermal field for casting quasi- G7 silicon ingots |
| CN107513766A (en) * | 2017-10-16 | 2017-12-26 | 江苏美科硅能源有限公司 | A kind of heat-insulation cage metal frame for being used to cast chamfering G7 polysilicons |
| CN107829136A (en) * | 2017-12-21 | 2018-03-23 | 江西旭阳雷迪高科技股份有限公司 | A kind of Edge Heating system of quasi- G7 ingot castings thermal field |
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Application publication date: 20160727 |