CN206359655U - A kind of monocrystal thermal-field gradient additive regulating system - Google Patents
A kind of monocrystal thermal-field gradient additive regulating system Download PDFInfo
- Publication number
- CN206359655U CN206359655U CN201621181375.3U CN201621181375U CN206359655U CN 206359655 U CN206359655 U CN 206359655U CN 201621181375 U CN201621181375 U CN 201621181375U CN 206359655 U CN206359655 U CN 206359655U
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- China
- Prior art keywords
- component
- field gradient
- thermal
- regulating system
- additive regulating
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Abstract
The utility model discloses a kind of monocrystal thermal-field gradient additive regulating system, the system is arranged at the upper cover plate of single crystal growing furnace, and set around inner draft tube, the system is made up of multiple endless members, including first component, second component, third member, 4th part and the 5th part, first component, second component and third member set gradually into temperature adjustment part from top to bottom, temperature adjustment part is relative to inner draft tube in 160 180 ° of angles, the outside of temperature adjustment part is provided with insulating sections, insulating sections are formed by stacking in the horizontal direction outward by the 4th part and the 5th part from interior, the adaptability of the top thermal field gradient of monocrystal thermal-field is adjusted to ensure that seamlessly transitting for thermal field gradient, and crystal bar is had suitable thermograde in desired temperature province to control crystal bar in the cooling velocity of a certain temperature province in itself, simultaneously can be to taking into account the rectification to gas.
Description
Technical field
The utility model is related to photovoltaic silicon technical field of single crystal growth, more particularly to a kind of monocrystal thermal-field gradient additive regulating
System.
Background technology
With the transition of photovoltaic industry, the quality of silicon monocrystal growth becomes more and more important.In order to adapt to market, industry pair
More than pulling of crystals thermal field liquid level such as water cooling heat shielding, water collar, baffle ring, one kind of inner draft tube material conversion or complete are done
Portion is changed；But unavoidable is the presence of thermal field gradient acute variation region more than guide shell (including water cooling heat shielding),
The thermal history of crystal can not ensure monocrystalline quality in an ideal state between 700-1100 DEG C；In 400-
Thermal field cooling system then can not be effectively utilized between 700 DEG C, causes a large amount of generations of this avoidable oxygen alms giver, influence life
Production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of monocrystal thermal-field gradient additive regulating system, monocrystalline heat
The adaptability of the top thermal field gradient of field is adjusted to ensure that seamlessly transitting for thermal field gradient, and makes crystal bar in itself in desired temperature
There is suitable thermograde in region to control crystal bar in the cooling velocity of a certain temperature province, while can be to taking into account to gas
Rectification, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of monocrystal thermal-field gradient additive regulating
System, the system is arranged at the upper cover plate of single crystal growing furnace, and is set around inner draft tube, and the system is by multiple endless member groups
Into, including first component, second component, third member, the 4th part and the 5th part, first component, second component and the 3rd
Part sets gradually into temperature adjustment part from top to bottom, and temperature adjustment part is relative to inner draft tube in 160-180 ° of angle, temperature adjustment part
Outside be provided with insulating sections, insulating sections are formed by stacking in the horizontal direction outward by the 4th part and the 5th part from interior,
First component, second component, third member, the material of the 4th part and the 5th part include but is not limited to molybdenum, ceramics, quartz,
One or more combination such as isostatic pressing formed graphite, high purity graphite, insulation quilt.
It is preferred that, the first component is made up of isostatic pressing formed graphite, and inner draft tube is in 160-180 ° of angle.
It is preferred that, the second component is made by high purity quartz to be constituted, and is set directly on first component.
It is preferred that, the third member is made up of High-Purity Molybdenum, forms inversed conical drum, and third member is set directly at second component
On.
It is preferred that, the 4th part has high purity graphite composition, and the external diameter of the 4th part and the most outer of third member are perpendicular
Straight alignment.
It is preferred that, the 5th part is made up of at least two layers insulation quilt, and the 5th part is wrapped in the appearance of the 4th part
Face.
Beneficial effect using above technical scheme is：The monocrystal thermal-field gradient additive regulating system of the utility model structure
It is with low cost, it is not necessary to complicated processing transformation；And thermal field gradient is in around when monocrystalline temperature is in 700-1100 DEG C
One ideal scope, so as to improve the quality inside monocrystalline；And provide conjunction when monocrystalline temperature is in 400-700 DEG C
Suitable thermograde is to ensure that monocrystalline has a satisfactory cooling velocity.And this method is not repelled and existing water cooling
Set, water cooling heat shielding etc. are used parallel.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1-- upper cover plates, 2-- guide shells, 3-- first components, 4-- second components, 5-- third members, 6-- the 4th
Part, the parts of 7-- the 5th, 8-- temperature adjustments part, 9-- insulating sections.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 shows embodiment of the present utility model：A kind of monocrystal thermal-field gradient additive regulating system, the system is set
Put at the upper cover plate 1 of single crystal growing furnace, and set around inner draft tube 2, the system is made up of multiple endless members, including first
Part 3, second component 4, third member 5, the 4th part 6 and the 5th part 7, first component 3, second component 4 and third member 5 are certainly
Temperature adjustment part 8 is set gradually under above, temperature adjustment part 8 is in 160-180 ° of angle relative to inner draft tube 2, temperature adjustment part 8
Outside is provided with insulating sections 9, and insulating sections 9 are by the 4th part 6 and the 5th part 7 from interior superposition in the horizontal direction outward
Material into, first component 3, second component 4, third member 5, the 4th part 6 and the 5th part 7 includes but is not limited to molybdenum, pottery
One or more combination such as porcelain, quartz, isostatic pressing formed graphite, high purity graphite, insulation quilt.
First component 3 is made up of isostatic pressing formed graphite, and inner draft tube 2 is in 160-180 ° of angle；Second component 4 is by high-purity stone
English makes composition, is set directly on first component 3；Third member 5 is made up of High-Purity Molybdenum, forms inversed conical drum, and third member 5 is straight
Connect and be arranged on second component 4；4th part 6 has high purity graphite composition, the external diameter of the 4th part 6 and the outermost of third member 5
Edge is vertically aligned；5th part 7 is made up of at least two layers insulation quilt, and the 5th part 7 is wrapped in the outer surface of the 4th part 6.
Part I is made up of isostatic pressing formed graphite, and inner draft tube angle is between 160-180 °.Its effect is first
Partial upper surface obtains a suitable temperature, so that it is determined that the temperature of Part II, typical section is high 30mm, a width
45mm rectangle.Inside radius is identical with the external diameter on edge on guide shell.
Part II is made by high purity quartz, directly puts over the first portion, makes itself to obtain desired temperature
Spend and reflective thermal radiation, the purpose of this part is the thermograde in order to adjust crystal at 700-1100 DEG C, and its length is by crystalline substance
Body determines that exemplary height is 150mm in the length of 700-1100 DEG C of warm area.
Part III is made up of High-Purity Molybdenum, is directly placed in the upper plane of Part II, can because the thermal capacitance of molybdenum is smaller
Very easily to obtain the temperature of requirement, its purpose is to adjust thermograde of the crystal at 400-700 DEG C, due to now
The position of crystal bar, Part III has certain angle in Part II, and a Typical angles of its angle and inner draft tube are
180°。
The auxiliary heat preservation component that Part IV is combined into by high purity graphite ring and graphite soft felt respectively with Part V, its mesh
Be to obtain required temperature by different adjustment Part I, Part II, the Part III of heat insulation effect.Insulation
Effect is adjusted by the thickness of Part IV and the number of plies of Part V.Typical data are Part IV thickness 15mm, Part V
For two layers of single monolayer thick 10mm viscose-based graphite felt；Part V is banded in Part IV outer surface, the external diameter of Part IV and
The most outer of three parts is vertically aligned, and the exemplary height of Part IV is 175mm.
The monocrystal thermal-field gradient additive regulating system cost of the utility model structure is cheap, it is not necessary to which complicated processing changes
Make；And thermal field gradient is in an ideal scope around when monocrystalline temperature is in 700-1100 DEG C, so as to improve
Quality inside monocrystalline；And provide suitable thermograde to ensure that monocrystalline has one when monocrystalline temperature is in 400-700 DEG C
Individual satisfactory cooling velocity.And this method is not repelled to be used parallel with existing water collar, water cooling heat shielding etc..
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (6)
1. a kind of monocrystal thermal-field gradient additive regulating system, the system is arranged at the upper cover plate of single crystal growing furnace, and around Inner guide
Cylinder is set, it is characterised in that the system is made up of multiple endless members, including first component, second component, third member, the
Four parts and the 5th part, first component, second component and third member set gradually into temperature adjustment part, temperature adjustment portion from top to bottom
Split-phase is for inner draft tube in 160-180 ° of angle, and the outside of temperature adjustment part is provided with insulating sections, and insulating sections are by the 4th part
Is formed by stacking in the horizontal direction outward from interior with the 5th part, first component, second component, third member, the 4th part and
The material of 5th part includes but is not limited to the one or more such as molybdenum, ceramics, quartz, isostatic pressing formed graphite, high purity graphite, insulation quilt
Combination.
2. monocrystal thermal-field gradient additive regulating system according to claim 1, it is characterised in that the first component by etc.
Static pressure graphite is constituted, and inner draft tube is in 160-180 ° of angle.
3. monocrystal thermal-field gradient additive regulating system according to claim 2, it is characterised in that the second component is by height
Pure quartz makes composition, is set directly on first component.
4. monocrystal thermal-field gradient additive regulating system according to claim 3, it is characterised in that the third member is by height
Pure molybdenum is constituted, and forms inversed conical drum, and third member is set directly on second component.
5. monocrystal thermal-field gradient additive regulating system according to claim 1, it is characterised in that the 4th part has height
Pure graphite is constituted, and the external diameter of the 4th part and the most outer of third member are vertically aligned.
6. monocrystal thermal-field gradient additive regulating system according to claim 5, it is characterised in that the 5th part is by extremely
Few two layers of insulation quilt is constituted, and the 5th part is wrapped in the outer surface of the 4th part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181375.3U CN206359655U (en) | 2016-11-03 | 2016-11-03 | A kind of monocrystal thermal-field gradient additive regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181375.3U CN206359655U (en) | 2016-11-03 | 2016-11-03 | A kind of monocrystal thermal-field gradient additive regulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359655U true CN206359655U (en) | 2017-07-28 |
Family
ID=59368999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181375.3U Expired - Fee Related CN206359655U (en) | 2016-11-03 | 2016-11-03 | A kind of monocrystal thermal-field gradient additive regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435715A (en) * | 2016-11-03 | 2017-02-22 | 保山新澳泰能源有限公司 | Single-crystal thermal field gradient additional adjustment system |
-
2016
- 2016-11-03 CN CN201621181375.3U patent/CN206359655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435715A (en) * | 2016-11-03 | 2017-02-22 | 保山新澳泰能源有限公司 | Single-crystal thermal field gradient additional adjustment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20191103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |