CN203295662U - Circular truncated cone type water-cooling crucible convenient for ingot taking-out - Google Patents
Circular truncated cone type water-cooling crucible convenient for ingot taking-out Download PDFInfo
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- CN203295662U CN203295662U CN2013202574444U CN201320257444U CN203295662U CN 203295662 U CN203295662 U CN 203295662U CN 2013202574444 U CN2013202574444 U CN 2013202574444U CN 201320257444 U CN201320257444 U CN 201320257444U CN 203295662 U CN203295662 U CN 203295662U
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Abstract
The utility model belongs to the technical field of metallurgy, in particular to a circular truncated cone type water-cooling crucible convenient for ingot taking-out. The crucible adopts a bilateral symmetry design; the cross section of the crucible is round; the diameter of the upper part of the crucible is greater than that of the bottom of the crucible; the wall of the crucible is a hollow wall; the upper end of the wall is communicated with a water outlet; the lower end of the wall is communicated with a water inlet; a base plate is jointed with the bottom of the crucible; a push rod is fixedly connected with the base plate after penetrating through the central hole of the bottom of the crucible; the central hole is consistent with the cross section of the push rod in size; the push rod is connected with a thrusting mechanism. The crucible has a simple structure and higher practicability, shortens the ingot cooling time, is more convenient for ingot taking-out, remarkably reduces the breakage rate of ingots and greatly improves the production efficiency.
Description
Technical field
The utility model belongs to metallurgical technology field, particularly a kind of circular platform type cold-crucible of getting ingot that is beneficial to.
Background technology
Directional solidification purified polysilicon is one of effective means of present purifying solar energy level polysilicon, directional freeze is to adopt compulsory means in melt, to set up the thermograde of specific direction, the low position of melt temperature is crystallization nucleation at first, becoming the starting point of solidifying at first solidifies, existence due to thermograde, melt solidifies along the direction opposite with hot-fluid, and final acquisition has the technology of the column crystal of specific orientation.It is to utilize the different solubility of impurity element in melt and solid that directional freeze is purified, there is segregation coefficient, the impurity element that segregation coefficient is less in process of setting is pushed to the solid-liquid interface forward position, constantly enrichment in melt, finally the afterbody at ingot casting solidifies, by the excision of ingot casting afterbody, can reach the purpose of purification.
But directional solidification method purifying polycrystalline silicon, the high temperature silicon liquation carries out directional freeze in crucible, melted silicon solidifies and obtains high-purity silicon ingot greatly near 1410 ℃, high-purity silicon ingot continues to expand in process of cooling, and high-purity silicon ingot contacts comparatively firm with sidewall of crucible, the polycrystal silicon ingot of scale operation is generally heavier, greatly increased the difficulty that silicon ingot is taken out, and the silicon ingot percentage of damage is higher, silicon ingot is in case broken, again ingot casting, seriously reduced the production efficiency of polysilicon.
The utility model content
The utility model, for overcoming above deficiency, provides a kind of circular platform type cold-crucible of getting ingot that is beneficial to, and this crucible design and installation is simple, reduced cooling time, reduced the difficulty that silicon ingot takes out, the silicon ingot percentage of damage obviously reduces, and has increased substantially the production efficiency of polysilicon.
The technical scheme that adopts for achieving the above object is: a kind of circular platform type cold-crucible of getting ingot that is beneficial to, this crucible becomes the left-right symmetry design, and cross section is circular, the upper diameter of crucible is greater than base diameter, sidewall of crucible is cavity wall, the crucible upper end is communicated with water outlet, and at the bottom of crucible, a side is communicated with water inlet; Crucible inner bottom part laminating is placed with chassis, and centre hole and the chassis of push rod at the bottom of by crucible is fixedly linked, the cross section in the same size of this centre hole and push rod, and push rod is connected with thrust mechanism.
Wherein, between water inlet and water outlet, preferably be connected with the water-cooled slideway, flow of cooling water is good, good cooling results.
At the bottom of crucible, the water-cooled slideway of inside is preferably annular design, increases the contact area on water coolant and chassis as far as possible.
Water-cooled slideway in sidewall of crucible preferably is spiral surrounding, increases the contact area of water coolant and silicon liquid as far as possible.
In sidewall of crucible, preferably be filled with tinsel, good heat conduction effect.
Principle of work of the present utility model is:
The water-cooled slideway continues logical water coolant, and lasting cooling to the molten silicon liquid in crucible, simultaneously, inclined wall has increased the contact area of water-cooled slideway and molten silicon liquid, has reduced cooling time.
After treating that the interior melting polysilicon of crucible solidifies, start thrust mechanism, make it drive push rod, drive simultaneously chassis and move upward, silicon ingot is slowly boosted, when mouth of pot is exposed on the silicon ingot top, use exterior mechanical equipment that silicon ingot is taken out.
In the utility model, cooling-water flowing, through chassis, makes it to the silicon ingot bottom, carry out cooling; Cooling-water flowing, through sidewall of crucible, is spiral surrounding in sidewall of crucible inside, finally by sidewall of crucible top water outlet, is flowed out, and to silicon ingot integral body, carries out cooling.After treating that the interior melting polysilicon of crucible solidifies, thrust mechanism promotes push rod, making it drive chassis moves upward, silicon ingot is boosted, crucible with inclination angle of inclined plane has reduced the resistance that promotes silicon ingot to a great extent, when mouth of pot was exposed on the silicon ingot top, just available exterior mechanical equipment took out silicon ingot.
In sum, the utility model is simple in structure, and practicality is stronger, reduces silicon ingot cooling time, more is conducive to the taking-up of silicon ingot, and the silicon ingot percentage of damage obviously reduces simultaneously, has increased substantially production efficiency.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure, 1, sidewall of crucible, 2, silicon ingot, 3, water inlet, 4, supporting leg, 5, push rod, 6, thrust mechanism, 7, at the bottom of crucible, 8, chassis, 9, the water-cooled slideway, 10, water outlet.
Embodiment
Below in conjunction with specific embodiments and the drawings, describe the utility model in detail, but the utility model is not limited to specific embodiment.
Embodiment 1:
A kind of circular platform type cold-crucible of getting ingot that is beneficial to as shown in Figure 1, this crucible become the left-right symmetry design, and cross section is circular, the upper diameter of crucible is greater than base diameter, sidewall of crucible 1 is cavity wall: the crucible upper end is communicated with water outlet 10, and at the bottom of crucible, 7 one sides are communicated with water inlet 3; Crucible inner bottom part laminating is placed with chassis 8, and push rod 5 is fixedly linked by 7 centre hole and chassis 8 at the bottom of crucible, the cross section in the same size of this centre hole and push rod 5, and push rod 5 is connected with thrust mechanism 6.
Wherein, between water inlet 3 and water outlet 10, be connected with water-cooled slideway 9, flow of cooling water is good, good cooling results;
At the bottom of crucible, the water-cooled slideway 9 of 7 inside is annular design, increases the contact area on water coolant and chassis 8 as far as possible.
Water-cooled slideway 9 in sidewall of crucible 1 is spiral surrounding, increases the contact area of water coolant and silicon liquid as far as possible.
In sidewall of crucible 1, be filled with tinsel, good heat conduction effect.
When operation starts, at first chassis 8 is arranged in crucible, thrust mechanism 6 and push rod 5 are coupled together, by 7 centre hole at the bottom of crucible, with chassis 8, be fixedly connected with.
After treating that the interior melting polysilicon of crucible solidifies, start thrust mechanism 6, make it drive push rod 5, drive simultaneously chassis 8 and move upward, silicon ingot 2 is slowly boosted, when mouth of pot is exposed on silicon ingot 2 tops, just can use exterior mechanical equipment that silicon ingot 2 is taken out.
Finally, operation is closed water cooling plant, powered-down after finishing.
In actual production, adopt this crucible, simple in structure, practicality is stronger, is beneficial to the taking-up of silicon ingot, and the silicon ingot percentage of damage obviously reduces simultaneously, has increased substantially production efficiency.
Claims (5)
1. one kind is beneficial to the circular platform type cold-crucible of getting ingot, this crucible becomes the left-right symmetry design, and cross section is circular, it is characterized in that: the upper diameter of crucible is greater than base diameter, sidewall of crucible (1) is cavity wall, the crucible upper end is communicated with water outlet (10), and at the bottom of crucible, (7) one sides are communicated with water inlet (3); The laminating of crucible inner bottom part is placed with chassis (8), and push rod (5) is fixedly linked by centre hole and chassis (8) of (7) at the bottom of crucible, the cross section in the same size of this centre hole and push rod (5), and push rod (5) is connected with thrust mechanism (6).
2. a kind of circular platform type cold-crucible of getting ingot that is beneficial to according to claim 1, is characterized in that: between described water inlet (3) and water outlet (10), be connected with water-cooled slideway (9);
3. a kind of circular platform type cold-crucible of getting ingot that is beneficial to according to claim 2 is characterized in that: at the bottom of described crucible, (7) inner water-cooled slideway (9) is annular design.
4. a kind of circular platform type cold-crucible of getting ingot that is beneficial to according to claim 2 is characterized in that: the water-cooled slideway (9) in described sidewall of crucible (1) is spiral surrounding.
5. a kind of circular platform type cold-crucible of getting ingot that is beneficial to according to claim 1, it is characterized in that: sidewall of crucible is filled with tinsel in (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202574444U CN203295662U (en) | 2013-05-13 | 2013-05-13 | Circular truncated cone type water-cooling crucible convenient for ingot taking-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202574444U CN203295662U (en) | 2013-05-13 | 2013-05-13 | Circular truncated cone type water-cooling crucible convenient for ingot taking-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295662U true CN203295662U (en) | 2013-11-20 |
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ID=49571691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202574444U Expired - Fee Related CN203295662U (en) | 2013-05-13 | 2013-05-13 | Circular truncated cone type water-cooling crucible convenient for ingot taking-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203295662U (en) |
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2013
- 2013-05-13 CN CN2013202574444U patent/CN203295662U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171109 Address after: 1 road 266000 in Shandong province Qingdao city Laoshan District No. 1 Keyuan latitude B block 7 layer B4-2 Patentee after: Qingdao Changsheng Dongfang Industry Group Co., Ltd. Address before: Pudong solar energy industry base in Jimo city of Shandong Province, Qingdao City, 266234 Patentee before: Qingdao Longsheng Crystalline Silicon Science & Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171214 Address after: Pudong Town Jimo city Shandong province 266234 city of Qingdao Ren Jia Tun Cun Ren Jia Tun Lu Patentee after: QINGDAO NEW ENERGY SOLUTIONS INC. (NESI) Address before: 1 road 266000 in Shandong province Qingdao city Laoshan District No. 1 Keyuan latitude B block 7 layer B4-2 Patentee before: Qingdao Changsheng Dongfang Industry Group Co., Ltd. |
|
| 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: 20131120 Termination date: 20190513 |