多晶硅铸锭炉加热器的优化及其热场模拟  

The Heater's Optimization and Numerical Simulation of Thermal Field for Multi-crystal Silicon Casting Furnace

作　　者：吴波[1,2] 刘传生 王伟杨 金浩 肖贵云 

机构地区：[1]上饶师范学院,江西上饶334001 [2]江西省塑料制备成型重点实验室,江西上饶334001 [3]理想能源设备(上海)有限公司,上海201203 [4]晶科能源有限公司,江西上饶334199

出　　处：《江西科学》2017年第1期140-145,共6页Jiangxi Science

基　　金：国家自然科学基金项目(11404214);江西省教育厅科技落地计划项目(KJLD12046)

摘　　要：以美国GT Solar公司DSS^(TM) 450型多晶硅铸锭炉为模型,提出了一种新的加热器优化设计方案。通过建立热力学三维模型,利用数值模拟的方法,对加热器优化前后铸锭炉内部的热场分布进行仿真,发现优化加热器对边缘区域的中间部分的温度有较好的补偿作用,在一定程度上改善了热场分布的均匀性;与未优化情况相比,热场分布的等温线更加平直,曲率更小;在同样的加热功率条件下,晶体硅可以被加热到更高的温度,优化后的加热器具有更高的加热效率。Taking GT Solar Corporation＇s DssTM450 type muhi-crystal silicon casting furnace as a model, a new heater optimization design scheme is proposed. By building the three dimension thermal model,the thermal field＇s temperature distribution in the multi-crystal silicon casting furnace was simulated. We find that the optimized heater has good temperature compensation in the middle part of the furnace＇s edge region ,and improves the uniformity of thermal field＇s temperature distribution to a certain extent. Compared with the not optimized, the isotherms of the thermal field distribution are more straight and the curvature is smaller; Under the same heating power, the crystalline silicon can be heated to a higher temperature, and the optimized heater has a higher heating efficiency.

关 键 词：多晶硅铸锭 加热器优化 热场 数值模拟 

分 类 号：TG249.7[金属学及工艺—铸造] TK124[动力工程及工程热物理—工程热物理]