CN2592657Y - Water cooling apparatus for controlling fused silicon crystallization rate for high-temperature cyrstallization furnace - Google Patents
Water cooling apparatus for controlling fused silicon crystallization rate for high-temperature cyrstallization furnace Download PDFInfo
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- CN2592657Y CN2592657Y CN 02217259 CN02217259U CN2592657Y CN 2592657 Y CN2592657 Y CN 2592657Y CN 02217259 CN02217259 CN 02217259 CN 02217259 U CN02217259 U CN 02217259U CN 2592657 Y CN2592657 Y CN 2592657Y
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Abstract
The utility model belongs to the technical field of circulated water cooling of industrial high temperature furnaces, particularly relates to water cooling device for fused silicon crystallization rate in a high temperature crystallization furnace; the utility model comprises a single-cycle water cooling device and a refrigeration mechanism, wherein, the single-cycle water cooling device is composed of a cooling tower, a water tank, a cooling water allotter, a pump and cooling connection pipes; the cooling connection pipes which can be connected with a high temperature crystallization furnace are respectively arranged on the output interface of the cooling water allotter and the backwater interface of the cooling water allotter. The utility model is characterized in that the cooling connection pipe of the refrigeration mechanism is communicated with a supporting frame of a crucible. The utility model can be used for adjusting the temperature on the crucible and the supporting frame and temperature fields can be stably established on the position of the crucible and the position of the supporting frame. The utility model has the advantages of simple structure, reasonable design and convenient operation and has the effects of the reduction of power consumption and the improvement of the quality of polycrystalline silicon ingots.
Description
Technical field
The utility model belongs to the recirculated water cooling technical field of industrial high temperature stove, particularly relates to a kind of water-chilling plant of controlling molten silicon crystallization velocity in the high temperature crystallization stove.
Background technology
Polycrystal silicon ingot is a basic raw material of producing polysilicon solar cell, and crystal growing furnace is widely used for producing the industrial high temperature stove of polycrystal silicon ingot, is widely used for producing polycrystal silicon ingot as landrover CRYSTALOX industrial high temperature stove.Polycrystal silicon ingot obtains through crystallisation by cooling after being melted by silicon materials again, silicon materials is placed in the crucible, crucible is positioned on the carriage of stove bottom, working temperature can reach 1500-1600 ℃ in the stove, a production cycle is more than 48 hours, be provided with a circulating water cooling device in High Temperature Furnaces Heating Apparatus, this device can be protected associated components such as body of heater on the one hand; Then set up a temperature field on the other hand at crucible and carriage position, molten silicon solidification and crystallization process of cooling in the may command crucible, it is carried out along vertical direction and with stable speed, to ensure that the silicon ingot that generates has good crystalline structure and performance, be that the solar cell that raw material is made then has higher photoelectric transformation efficiency by this silicon ingot.
All only be provided with a single-cycle water-chilling plant in the high temperature crystallization stove that generally uses at present, it mainly is made of cooling tower 1, water tank 2, cooled water distributor 4, pump 3 and cooling pipe connecting 8, be connected by cooling pipe connecting 8 between described cooling tower 1, water tank 2 and the pump 3, the input interface 402 of described divider 4 joins, is respectively equipped with on two output interface 404,406 and the backwater interface 403,405 the cooling pipe connecting 8 that can join with high temperature crystallization stove 7 and crucible carriage 5 with pump 3 through cooling pipe connecting 8; Be connected by cooling off pipe connecting 8 between the outlet 401 of backwater on the divider 4 and the cooling tower 1, and form a cooling water circulating device.By the cooling pipe connecting water coolant is transported in the High Temperature Furnaces Heating Apparatus machine crucible carriage; The inflow temperature of water coolant allows to be located in the scope between the dew-point temperature to 35 ℃, is subjected to the influence of free air temperature.In case after setting, recirculated water inflow temperature fluctuating range between design temperature+/-2 ℃, and in the molten silicon solidification and crystallization process of cooling in crucible, the fluctuating range that requires inflow temperature+/-1 ℃ between.When regulating the temperature of cooling water that enters in the conventional high-temperature crystal growing furnace in the crucible carriage, then need the water temperature of full cycle refrigerating unit is regulated, this not only the time slow, and want many consumed energies, because the Modulatory character and the less stable of its temperature cause the product structure of polycrystal silicon ingot and quality to be subjected to obvious influence.
Summary of the invention
The purpose of this utility model is for a kind of water-chilling plant of controlling molten silicon crystallization velocity in the high temperature crystallization stove is provided, it compared with prior art, it can be regulated the temperature at crucible and carriage position separately, thereby the molten silicon solidification and crystallization process of cooling in the may command crucible makes it carry out along vertical direction and with stable speed.
The purpose of this utility model is to adopt such technical scheme to solve: it comprises single loop water-chilling plant and refrigeration mechanism, described single loop water-chilling plant is made of cooling tower, water tank, cooled water distributor, pump and cooling pipe connecting, the output interface of described cooled water distributor is provided with the cooling pipe connecting that can be connected with the high temperature crystallization stove with the backwater interface, it is characterized in that the cooling pipe connecting of described refrigeration mechanism can be connected with the crucible carriage separately.
Described refrigeration mechanism is made of the condenser, interchanger, compressor, pump and the cooling pipe connecting that link to each other, is provided with flow regulator and water tank on the cooling connecting pipeline, is provided with thermometer in the water tank.Because the structure that the utility model has adopted refrigeration mechanism to match with the crucible carriage separately, thereby it can be regulated the temperature at crucible and carriage position, and can set up stable temperature field, and its effect simple in structure, reasonable in design, easy to use and have cutting down the consumption of energy and improve the polycrystal silicon ingot quality at crucible and carriage position.
Description of drawings
Fig. 1 is the structural representation of water-chilling plant in the known high temperature crystallization stove
Fig. 2 structural representation of the present utility model
Embodiment
With reference to Fig. 2: the utility model comprises single loop water-chilling plant and refrigeration mechanism, described single loop water-chilling plant is made of cooling tower 1, water tank 2, cooled water distributor 4, pump 3 and cooling pipe connecting 8, the output interface 404 of described cooled water distributor 4 is provided with the cooling pipe connecting 8 that can be connected with high temperature crystallization stove 7 with backwater interface 403, and the cooling pipe connecting 8 of described refrigeration mechanism can be connected with crucible carriage 5 separately; Described refrigeration mechanism is made of the condenser 16 that links to each other, interchanger 13, compressor 15, pump 3, water tank 9, flow regulator 12 and cooling pipe connecting 8, on cooling pipe connecting 8 pipelines, be provided with flow regulator 12 and water tank 9, be provided with thermometer 10 in the water tank 9, grasp the working order of refrigeration mechanism thus; It is to adopt known electrical way to join that the circuit of above-mentioned each electricity consumption device connects, and does not give unnecessary details at this.
When the utility model uses, temperature with water coolant is set on the desired numerical value earlier, control the working order of refrigeration mechanism with this, when the refrigeration mechanism of single loop water-chilling plant is worked, the single loop water-chilling plant mainly is to provide water coolant for high temperature crystallization stove 7, so that its cooling, and refrigeration mechanism when work, water coolant flows in the cooling pipe connecting, when reaching set temperature value, pump 3 work, water coolant in the water tank 9 is input in the crucible carriage 5, the flow of water coolant can be regulated by flow director 12, by setting different refrigeration temperatures and regulating flow regulator 12, can change the temperature of water coolant, change solidification and crystallization homogeneous cooling tower 1 speed of melted silicon in the crucible 6 therefrom, can be transported to interchanger 13 coolings through crucible carriage 5 effusive water coolants, and turn back to water tank 9 through flow director 12, thereby finish the circulation of flow of cooling water, carry out work in this way, make the actual temperature of cooling water fluctuation that enters crucible carriage 5 be stabilized in+/-1 ℃ between, thereby created favourable condition for producing high-quality polycrystal silicon ingot.
Claims (3)
1. control the water-chilling plant that melts the silicon crystallization velocity in the high temperature crystallization stove for one kind, it comprises single loop water-chilling plant and refrigeration mechanism, described single loop water-chilling plant is made of cooling tower (1), water tank (2), cooled water distributor (4), pump (3) and cooling pipe connecting (8), the output interface (404) of described cooled water distributor (4) is provided with the cooling pipe connecting (8) that can be connected with high temperature crystallization stove (7) with backwater interface (403), it is characterized in that the cooling pipe connecting (8) of described refrigeration mechanism links to each other with crucible carriage (5).
2. the water-chilling plant of molten silicon crystallization velocity in the control high temperature crystallization stove as claimed in claim 1 is characterized in that described refrigeration mechanism is made of the condenser (16) that links to each other, interchanger (13), compressor (15), pump (3), water tank (9), flow regulator (12) and cooling pipe connecting (8).
3. the water-chilling plant of molten silicon crystallization velocity is characterized in that being provided with in the described water tank (9) thermometer (10) in the control high temperature crystallization stove as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217259 CN2592657Y (en) | 2002-04-29 | 2002-04-29 | Water cooling apparatus for controlling fused silicon crystallization rate for high-temperature cyrstallization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217259 CN2592657Y (en) | 2002-04-29 | 2002-04-29 | Water cooling apparatus for controlling fused silicon crystallization rate for high-temperature cyrstallization furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2592657Y true CN2592657Y (en) | 2003-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02217259 Expired - Fee Related CN2592657Y (en) | 2002-04-29 | 2002-04-29 | Water cooling apparatus for controlling fused silicon crystallization rate for high-temperature cyrstallization furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2592657Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538479A (en) * | 2012-03-02 | 2012-07-04 | 重庆大全新能源有限公司 | Device and method for cooling circulating cooling water |
| CN103540721A (en) * | 2013-10-01 | 2014-01-29 | 杨立斌 | Metal material heat treatment water tank |
| CN105002556A (en) * | 2014-04-21 | 2015-10-28 | 洛阳金诺机械工程有限公司 | Device for raising crystallization velocity of silicon core during drawing of silicone core |
| CN108518993A (en) * | 2018-05-14 | 2018-09-11 | 应达工业（上海）有限公司 | A kind of water circulation system for preventing intermediate frequency furnace apparatus from condensing |
| CN109161962A (en) * | 2018-11-28 | 2019-01-08 | 扬州荣德新能源科技有限公司 | A kind of polycrystalline ingot furnace |
| CN115159526A (en) * | 2022-07-04 | 2022-10-11 | 重庆市黔永硅业有限公司 | Energy-saving and environment-friendly production system for industrial silicon |
-
2002
- 2002-04-29 CN CN 02217259 patent/CN2592657Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538479A (en) * | 2012-03-02 | 2012-07-04 | 重庆大全新能源有限公司 | Device and method for cooling circulating cooling water |
| CN102538479B (en) * | 2012-03-02 | 2013-08-28 | 重庆大全新能源有限公司 | Device and method for cooling circulating cooling water |
| CN103540721A (en) * | 2013-10-01 | 2014-01-29 | 杨立斌 | Metal material heat treatment water tank |
| CN105002556A (en) * | 2014-04-21 | 2015-10-28 | 洛阳金诺机械工程有限公司 | Device for raising crystallization velocity of silicon core during drawing of silicone core |
| CN108518993A (en) * | 2018-05-14 | 2018-09-11 | 应达工业（上海）有限公司 | A kind of water circulation system for preventing intermediate frequency furnace apparatus from condensing |
| CN109161962A (en) * | 2018-11-28 | 2019-01-08 | 扬州荣德新能源科技有限公司 | A kind of polycrystalline ingot furnace |
| CN115159526A (en) * | 2022-07-04 | 2022-10-11 | 重庆市黔永硅业有限公司 | Energy-saving and environment-friendly production system for industrial silicon |
| CN115159526B (en) * | 2022-07-04 | 2023-07-25 | 重庆市黔永硅业有限公司 | Energy-saving and environment-friendly production system for industrial silicon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |