CN204550782U - A kind of single crystal growing furnace of reduce power consumption - Google Patents
A kind of single crystal growing furnace of reduce power consumption Download PDFInfo
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- CN204550782U CN204550782U CN201420613146.9U CN201420613146U CN204550782U CN 204550782 U CN204550782 U CN 204550782U CN 201420613146 U CN201420613146 U CN 201420613146U CN 204550782 U CN204550782 U CN 204550782U
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- heat
- preservation cylinder
- power consumption
- insulation cover
- guide shell
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Abstract
The utility model discloses a kind of single crystal growing furnace of reduce power consumption, comprise furnace bottom, furnace wall, heat-preservation cylinder, crucible, guide shell, insulation cover and well heater, described insulation cover and carbon felt under being provided with insulation cover between heat-preservation cylinder and guide shell; Described guide shell comprises inner draft tube and external flow guiding cylinder, is provided with soft felt between described inner draft tube and external flow guiding cylinder, and described furnace bottom is provided with soft felt thermal insulation layer.The utility model compared to existing technology, carry out the transformation of subrange, add insulation quilt, decrease heat losses, effectively reduce thermal field system energy consumption, while reduction thermal field power consumption, effectively extend the work-ing life of graphite piece, reduce the horizontal thermograde of melt, ensure that growing crystal quality.In addition, the increase of heat insulation effect not only reduces the loss of electric power, too increases the longitudinal temperature gradient of thermal field, can improve crystalline growth velocity to a certain extent, shortens crystal growth cycles, thus reaches the object reducing power consumption in yet another aspect.
Description
Technical field
The utility model relates to single crystal growing furnace technical field, is specifically related to a kind of single crystal growing furnace of reduce power consumption.
Background technology
Along with the development of photovoltaic market, monocrystalline manufacturer faces larger competitive pressure.Reduction manufacturing cost, Improving The Quality of Products have become later stage monocrystalline and have produced requisite two aspects.Current manufacturing cost has become the difficult problem that industry development must solve, and cost reduces can be considered from following several respects: reduce production energy consumption, lift technique production capacity, reduce cost of material etc., wherein reduce production energy consumption be the most directly, efficient manner.The single crystal growing furnace power consumption had its source in production process that current silicon single crystal rod manufactures link cost high is large.
Utility model content
The purpose of this utility model is: for the above-mentioned technical problem existed in prior art, provide a kind of single crystal growing furnace of reduce power consumption.
The utility model is achieved through the following technical solutions:
A kind of single crystal growing furnace of reduce power consumption, comprise furnace bottom, furnace wall, heat-preservation cylinder, crucible, guide shell, insulation cover and well heater, the outside of described crucible is provided with well heater, heat-preservation cylinder is positioned at outside well heater, described guide shell is positioned at above crucible, and described crucible is fixed by axis connecting rod and furnace bottom, and described insulation cover is positioned at above heat-preservation cylinder and guide shell, described well heater is fixed on furnace bottom respectively by Graphite Electrodes, described insulation cover and carbon felt under being provided with insulation cover between heat-preservation cylinder and guide shell; Described guide shell comprises inner draft tube and external flow guiding cylinder, is provided with soft felt between described inner draft tube and external flow guiding cylinder, and described furnace bottom is provided with soft felt thermal insulation layer.
As preferably, described heat-preservation cylinder is sidewall carbon felt.
As preferably, described heat-preservation cylinder comprises heat-preservation cylinder, middle heat-preservation cylinder and lower heat-preservation cylinder.
As preferably, the angle between described inner draft tube and insulation cover is 75 °-80 °, is preferably 77.45 °.
The thickness of described sidewall carbon felt is 80-90mm, compared with prior art, improves thickness, strengthens heat insulation effect.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
The utility model compared to existing technology, carry out the transformation of subrange, add insulation quilt, decrease heat losses, effectively reduce thermal field system energy consumption, while reduction thermal field power consumption, effectively extend the work-ing life of graphite piece, reduce the horizontal thermograde of melt, ensure that growing crystal quality.In addition, the increase of heat insulation effect not only reduces the loss of electric power, too increases the longitudinal temperature gradient of thermal field, can improve crystalline growth velocity to a certain extent, shortens crystal growth cycles, thus reaches the object reducing power consumption in yet another aspect.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a preferred embodiment structural representation of the present utility model;
Mark in figure: 1-heat-preservation cylinder, carbon felt under 2-insulation cover, the soft felt of 3-, 4-furnace bottom, 5-furnace wall, 6-crucible, 7-external flow guiding cylinder, 8-well heater, 9-axis connecting rod, 10-inner draft tube, 11-Graphite Electrodes, 12-insulation cover.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Fig. 1, a kind of single crystal growing furnace of reduce power consumption, comprise furnace bottom 4, furnace wall 5, heat-preservation cylinder 1, crucible 6, guide shell, insulation cover 12 and well heater 8, the outside of described crucible 6 is provided with well heater 8, heat-preservation cylinder 1 is positioned at outside well heater 8, described guide shell is positioned at above crucible 6, described crucible 6 is fixed by axis connecting rod 9 and furnace bottom 4, described insulation cover 12 is positioned at above heat-preservation cylinder 1 and guide shell, described well heater 8 is fixed on furnace bottom respectively by Graphite Electrodes 11, described insulation cover 12 and carbon felt 2 under being provided with insulation cover between heat-preservation cylinder 1 and guide shell, under insulation cover, the thickness of carbon felt 2 is 40mm, external diameter directly touches furnace wall.
Described guide shell comprises inner draft tube 10 and external flow guiding cylinder 7, fills it up with soft felt between described inner draft tube 10 and external flow guiding cylinder 7, and top is that 15mm is thick, and bottom is that 20mm is thick.
In order to reduce energy consumption, strengthen heat insulation effect, described furnace bottom 4 is provided with soft felt thermal insulation layer, and this soft felt is the domestic soft felt of normal table.
Described heat-preservation cylinder is sidewall carbon felt, and described heat-preservation cylinder 1 comprises heat-preservation cylinder, middle heat-preservation cylinder and lower heat-preservation cylinder, and the thickness of upper heat-preservation cylinder is 80mm, and the thickness of middle heat-preservation cylinder is 90mm, and the thickness of lower heat-preservation cylinder is 90mm.
Angle between described inner draft tube 10 and insulation cover 12 is preferably 77.45 °.
Prove by experiment, average isometrical power of the present utility model is 40kw, and the average isometrical power 75kw of current workshop table of comparing (after using New Type of Carbon felt, common carbon felt power reaches 72kw), reduces 25kw.And being equivalent to whole stove power drop 35kw, the one stove minimum used time of drawing is at present: 50h, average January can draw: 10 heats.
The utility model compared with prior art, adds carbon felt and soft felt and its thickness, effectively ensure that the heat of thermal field inside further, while save energy, improve working (machining) efficiency, thus reaches the object reducing power consumption.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (4)
1. the single crystal growing furnace of a reduce power consumption, comprise furnace bottom, furnace wall, heat-preservation cylinder, crucible, guide shell, insulation cover and well heater, the outside of described crucible is provided with well heater, heat-preservation cylinder is positioned at outside well heater, described guide shell is positioned at above crucible, described crucible is fixed by axis connecting rod and furnace bottom, described insulation cover is positioned at above heat-preservation cylinder and guide shell, it is characterized in that, described well heater is fixed on furnace bottom respectively by Graphite Electrodes, described insulation cover and carbon felt under being provided with insulation cover between heat-preservation cylinder and guide shell; Described guide shell comprises inner draft tube and external flow guiding cylinder, is provided with soft felt between described inner draft tube and external flow guiding cylinder, and described furnace bottom is provided with soft felt thermal insulation layer, and described heat-preservation cylinder is sidewall carbon felt, and the angle between inner draft tube and insulation cover is 75 °-80 °.
2. the single crystal growing furnace of a kind of reduce power consumption according to claim 1, is characterized in that, described heat-preservation cylinder comprises heat-preservation cylinder, middle heat-preservation cylinder and lower heat-preservation cylinder.
3. the single crystal growing furnace of a kind of reduce power consumption according to claim 1, is characterized in that, the angle between described inner draft tube and insulation cover is preferably 77.45 °.
4. the single crystal growing furnace of a kind of reduce power consumption according to claim 1, is characterized in that, the thickness of described sidewall carbon felt is 80-90mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613146.9U CN204550782U (en) | 2014-10-21 | 2014-10-21 | A kind of single crystal growing furnace of reduce power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613146.9U CN204550782U (en) | 2014-10-21 | 2014-10-21 | A kind of single crystal growing furnace of reduce power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204550782U true CN204550782U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420613146.9U Expired - Fee Related CN204550782U (en) | 2014-10-21 | 2014-10-21 | A kind of single crystal growing furnace of reduce power consumption |
Country Status (1)
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| CN (1) | CN204550782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130295A (en) * | 2017-04-17 | 2017-09-05 | 宜昌南玻硅材料有限公司 | A kind of elimination hidden device and method split of silicon plug |
-
2014
- 2014-10-21 CN CN201420613146.9U patent/CN204550782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130295A (en) * | 2017-04-17 | 2017-09-05 | 宜昌南玻硅材料有限公司 | A kind of elimination hidden device and method split of silicon plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20171021 |