CN207699724U - A kind of backplate promoting corner heat-insulating property - Google Patents
A kind of backplate promoting corner heat-insulating property Download PDFInfo
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- CN207699724U CN207699724U CN201721403275.5U CN201721403275U CN207699724U CN 207699724 U CN207699724 U CN 207699724U CN 201721403275 U CN201721403275 U CN 201721403275U CN 207699724 U CN207699724 U CN 207699724U
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- backplate
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- soft felt
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Abstract
The utility model is related to a kind of backplates promoting corner heat-insulating property, belong to polysilicon preparing technical field.The backplate of the promotion corner heat-insulating property, including rectangular basic backplate and the rectangular soft felt of heat preservation, soft felt is kept the temperature to be embedded at the both ends of a side surface of basic backplate, basic backplate lower edge uniform intervals offer overflow port, uniform intervals offer the first mounting hole to the left side edge of basic backplate successively from top to bottom, uniform intervals offer the second mounting hole to the right side edge of basic backplate successively from top to bottom, the upper end of basic backplate is further opened with exhaust outlet, and basic backplate is internally provided with backplate thermal insulation layer；The surface for keeping the temperature soft felt is coated with the first corrosion-resistant finishes.The backplate upper end of the promotion corner heat-insulating property of the present embodiment is further opened with exhaust outlet, can carry out protection to constantly applying argon gas inside backplate when in use and is discharged from exhaust outlet.
Description
Technical field
The utility model is related to a kind of backplates promoting corner heat-insulating property, belong to polysilicon preparing technical field.
Background technology
Currently, the preparation method of polycrystal silicon ingot is mainly the directional solidification system provided using the GT Solar of the market mainstream
Prepared, this method generally include heating, fusing, it is long brilliant, anneal and cool down.But conventional foundry ingot stove is due to thermal field ruler
Very little limitation can only prepare single ingot size in the G5 silicon ingots of 840*840mm or so, be increasingly difficult to meet the needs of market, at this
Under one background, part ingot casting and graphite device prepare manufacturer by optimizing heat shield structure etc., and innovative has developed single ingot
Size in the G6 silicon ingots of 1000*1000mm, throw furnace volume and the 800kg of G6 silicon ingots be substantially improved by the 500kg or so of G5 ingots by single ingot,
Light yield is not significantly increased, while the significant decreases such as single kilogram of power consumption, and 7 degree/kg is reduced to by 8.5 degree conventional/kg, by
The heat of wafer fabrication plant quotient is held in both hands, and the manufacturer of G6 tables is transformed currently based on GT-480 tables, and leading has domestic GCL, ring
Too, day conjunction etc..
At the same time, market is based on for silicon chip transfer efficiency increasingly higher demands, the science and technology of domestic wafer fabrication plant
Research staff reaches inhibition dislocation multiplication based on seed crystal induced growth, the uniform small grains of formation, improves silicon chip photoelectricity and turns
Efficiency principle is changed, silicon chip photoelectric conversion efficiency is obviously improved on the basis of silicon chip manufacturing cost increases less, by original
First 17% or so has been substantially improved 18% or so, and the process of photovoltaic industry par power generation realization of goal is greatly facilitated；But
In the process, G6 ingot castings due to turning heater heating power it is low, corner region locally lies in surfusion, causes crystal horizontal
Be significantly increased to long brilliant rate, crystal growth occur in oblique phenomenon, dislocation multiplication is apparent, it is suppressed that polycrystal silicon ingot efficiency into one
Step is promoted.
Utility model content
The technical problems to be solved in the utility model is, in view of the shortcomings of the prior art, proposing that a kind of inhibition crystal growth goes out
The backplate of the promotion corner heat-insulating property of oblique phenomenon in existing.
The technical solution that the utility model proposes to solve above-mentioned technical problem is：A kind of shield promoting corner heat-insulating property
Plate, including rectangular basic backplate and the rectangular soft felt of heat preservation, keep the temperature soft felt and are embedded in a side surface of basic backplate
Both ends, basic backplate lower edge uniform intervals offer overflow port, and the left side edge of basic backplate is uniform successively from top to bottom
It being spaced apart and is equipped with the first mounting hole, uniform intervals offer the second mounting hole to the right side edge of basic backplate successively from top to bottom,
The upper end of basic backplate is further opened with exhaust outlet, and basic backplate is internally provided with backplate thermal insulation layer；Keep the temperature the surface coating of soft felt
There is the first corrosion-resistant finishes.
The improvement of above-mentioned technical proposal is：It is carbon felt to keep the temperature soft felt.
The improvement of above-mentioned technical proposal is：It is asbestos to keep the temperature soft felt.
The improvement of above-mentioned technical proposal is：The height of basic backplate is 630-640mm, length 1240-1250mm, entirety
Thickness is 26-30mm.
The improvement of above-mentioned technical proposal is：The height for keeping the temperature soft felt is 300-500mm, width 300-400mm, and thickness is
3-8mm。
The improvement of above-mentioned technical proposal is：Basic backplate is provided with the second corrosion-resistant finishes on one side far from the soft felt of heat preservation.
The utility model is using the advantageous effect of above-mentioned technical proposal：
(1) the backplate upper end of the promotion corner heat-insulating property of the present embodiment is further opened with exhaust outlet, when in use can be to
Constantly applying argon gas carries out protection and is discharged from exhaust outlet inside backplate；
(2) backplate of the promotion corner heat-insulating property of the utility model by basic backplate and keep the temperature soft felt it is double-deck every
Heat effectively reduces turning and radiates too fast problem, it is suppressed that the lateral long brilliant problem of corner region reduces dislocation due to turning
Proliferation effect caused by the oblique long crystalline substance in angle, improves the silicon ingot crystal quality of polycrystalline cast ingot；
(3) it is corrosion-resistant to be coated with first for the surface of the soft felt of heat preservation of the backplate of the promotion corner heat-insulating property of the utility model
Coating, corrosion resistance is improved, service life is extended；
(4) the basic backplate of the backplate of the promotion corner heat-insulating property of the utility model is far from the one side setting for keeping the temperature soft felt
There is corrosion-resistant finishes, extends the service life of backplate.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the structural schematic diagram for the backplate that the utility model embodiment promotes corner heat-insulating property；
Fig. 2 is the layer structure signal of the basic backplate for the backplate that the utility model embodiment promotes corner heat-insulating property
Figure；
Fig. 3 is the layer structure signal of the soft felt of heat preservation for the backplate that the utility model embodiment promotes corner heat-insulating property
Figure；
Wherein：The bases 1- backplate, the first mounting holes of 2-, 3- keep the temperature soft felt, 4- overflow ports, 5- exhaust outlets, the installations of 6- second
Hole, 7- backplate thermal insulation layers, the second corrosion-resistant finishes of 8-, the first corrosion resistant coatings of 9-.
Specific implementation mode
Embodiment one
The backplate of the promotion corner heat-insulating property of the present embodiment, as shown in Figs. 1-3, including 1 He of rectangular basic backplate
The rectangular soft felt 3 of heat preservation, keeps the temperature soft felt 3 and is embedded in the both ends of a side surface of basic backplate 1,1 lower edge of basic backplate
Uniform intervals offer overflow port 4, and uniform intervals offer the first mounting hole to the left side edge of basic backplate 1 successively from top to bottom
2, uniform intervals offer the second mounting hole 6 to the right side edge of basic backplate 1 successively from top to bottom, and the upper end of basic backplate 1 is also
Uniform intervals offer three exhaust outlets 5, and basic backplate 1 is internally provided with backplate thermal insulation layer 7；Keep the temperature the surface coating of soft felt 3
There is the first corrosion-resistant finishes 9.The height of basic backplate 1 is 635mm, length 1245mm, integral thickness 28mm.
The soft felt 3 of heat preservation of the backplate of the promotion corner heat-insulating property of the present embodiment is carbon felt.The height for keeping the temperature soft felt 3 is
500mm, width 400mm, thickness 6mm.Basic backplate 1 is provided with the second corrosion-resistant finishes on one side far from keep the temperature soft felt 3
8.The outer edge 40-80mm of the outer edges of two soft felts of the heat preservation 3 basic backplate of distance 1 respectively.
The backplate of the promotion corner heat-insulating property of the present embodiment is by basic backplate and the double thermal insulation for keeping the temperature soft felt, effectively
It reduces turning to radiate too fast problem, it is suppressed that the lateral long brilliant problem of corner region reduces dislocation since turning is oblique
Proliferation effect caused by long crystalline substance, improves the silicon ingot crystal quality of polycrystalline cast ingot；The promotion corner heat-insulating property of the present embodiment
Backplate upper end be further opened with exhaust outlet, when in use can be to constantly applying argon gas carry out protection and from exhaust outlet 5 inside backplate
Discharge.
Embodiment two
The backplate and embodiment one of the promotion corner heat-insulating property of the present embodiment are essentially identical, the difference is that heat preservation is soft
Felt 3 is asbestos.
The utility model is not limited to the above embodiment.All technical solutions formed using equivalent replacement, all fall within this reality
With the protection domain of novel requirement.
Claims (6)
1. a kind of backplate promoting corner heat-insulating property, it is characterised in that：Including rectangular basic backplate and rectangular guarantor
The soft felt of temperature, the soft felt of heat preservation are embedded the both ends in a side surface of the basic backplate, and the basis backplate lower edge is equal
Even be spaced apart is equipped with overflow port, and uniform intervals offer the first installation to the left side edge of the basis backplate successively from top to bottom
Hole, uniform intervals offer the second mounting hole to the right side edge of the basis backplate successively from top to bottom, the basis backplate
Upper end is further opened with exhaust outlet, and the basis backplate is internally provided with backplate thermal insulation layer；The surface of the soft felt of heat preservation is coated with
First corrosion-resistant finishes.
2. the backplate according to claim 1 for promoting corner heat-insulating property, it is characterised in that：The soft felt of heat preservation is carbon
Felt.
3. the backplate according to claim 1 for promoting corner heat-insulating property, it is characterised in that：The soft felt of heat preservation is stone
Cotton.
4. the backplate according to claim 1 for promoting corner heat-insulating property, it is characterised in that：The height of the basis backplate
For 630-640mm, length 1240-1250mm, integral thickness 26-30mm.
5. the backplate according to claim 2 or 3 for promoting corner heat-insulating property, it is characterised in that：The soft felt of heat preservation
Height is 300-500mm, width 300-400mm, thickness 3-8mm.
6. the backplate according to claim 5 for promoting corner heat-insulating property, it is characterised in that：The basis backplate is far from guarantor
The soft felt of temperature is provided with the second corrosion-resistant finishes on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403275.5U CN207699724U (en) | 2017-10-27 | 2017-10-27 | A kind of backplate promoting corner heat-insulating property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403275.5U CN207699724U (en) | 2017-10-27 | 2017-10-27 | A kind of backplate promoting corner heat-insulating property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207699724U true CN207699724U (en) | 2018-08-07 |
Family
ID=63021474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721403275.5U Active CN207699724U (en) | 2017-10-27 | 2017-10-27 | A kind of backplate promoting corner heat-insulating property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207699724U (en) |
-
2017
- 2017-10-27 CN CN201721403275.5U patent/CN207699724U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Meike Solar Energy Technology Co.,Ltd. Address before: 968 GANGLONG Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU GAOZHAO NEW ENERGY DEVELOPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Meike Solar Energy Technology Co.,Ltd. Address before: No.198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Meike Solar Energy Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |