玻璃成形中锡槽保护气体的温度场和速度场数学模拟研究
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摘要
在分析浮法玻璃成形中锡槽结构的基础上,建立了浮法玻璃锡槽结构中保护气体的三维数值模型,在锡槽顶部设置一对保护气体通入口,利用有限元模拟方法,对锡槽上部空间保护气体(N_2+H_2)的流动状况进行了模拟研究,通过数学模拟研究锡槽空间保护气体温度分布和速度分布规律,得出采用数学模拟的方法能够对高铝电子玻璃锡槽保护气体状况进行模拟,模拟结果显示锡槽内温度场和速度场状态与实际运行中规律基本一致。
Based on the analysis of the structure of tin bath,the three dimensional mathematical model in a tin bath of floating glass was established. Meanwhile, a pair of protective gas inlets was set up at the top of tin bath. Simulative calculations were carried out for flow condition of the protective gas(nitrogen and hydrogen)in the upper tin bath by using finite element modeling. It is concluded that the mathematical simulation can be used to simulate the state of protective gas in tin bath for production of high aluminum electronic glass. The simulation results show that the states of temperature and velocity fields in tin bath are basically consistent with the actual operation states.
Based on the analysis of the structure of tin bath,the three dimensional mathematical model in a tin bath of floating glass was established. Meanwhile, a pair of protective gas inlets was set up at the top of tin bath. Simulative calculations were carried out for flow condition of the protective gas(nitrogen and hydrogen)in the upper tin bath by using finite element modeling. It is concluded that the mathematical simulation can be used to simulate the state of protective gas in tin bath for production of high aluminum electronic glass. The simulation results show that the states of temperature and velocity fields in tin bath are basically consistent with the actual operation states.
引文
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[9]张勤,陈泽敬,李志信.浮法玻璃摊平过程温度场的模拟[J].工程热物理学报,2009,30(6):1009-1011.
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[12]闫亚琼,陈福,冯建业,等.浮法玻璃成形锡槽中玻璃带温度分布研究[J].玻璃,2018,45(5):23-26.
[13]闫亚琼,续芯如,徐洋,等.浮法玻璃锡槽内保护气体流动状态的三维数学模拟[J].玻璃,2018,45(9):5-8.
[2]马立云,张龙.浮法玻璃生产用锡的保护[J].玻璃,2001(6):19-20.
[3]张占营,姜宏,黄迪宇.浮法玻璃生产技术与设备[M].北京:化学工业出版社,2006:86-139.
[4]刘志刚.锡槽温度制度的合理控制对薄浮法玻璃质量的影响[J].玻璃,2013(4):6-10.
[5]王剑,周志豪.窑池内玻璃液流动和传热的二维数学模型[J].玻璃与搪瓷,1987,15(1):1-7.
[6]沈锦林,朱建飞.玻璃池窑内配合料及玻璃液流的三维数值模拟[J].浙江大学学报(工学版),1999,33(4):398-403.
[7]马晶,龚跃球,朱坤,等.浮法玻璃熔窑三维数学模拟研究[J].硅酸盐通报,2002,12(6):21-26.
[8]庞世红,路佩吉,张国武,等.浮法锡槽内保护气体的三维数值模拟[J].玻璃,2002(4):10-13.
[9]张勤,陈泽敬,李志信.浮法玻璃摊平过程温度场的模拟[J].工程热物理学报,2009,30(6):1009-1011.
[10]唐坚刚,周志豪.浮法工艺锡槽内流场与温度的数值模拟研究[J].上海建材学院学报,1990,2(4):297-306.
[11]张丽英,童树庭.锡槽窄段锡液回流情况的研究[J].建筑材料学报,2006,9(1):115-119.
[12]闫亚琼,陈福,冯建业,等.浮法玻璃成形锡槽中玻璃带温度分布研究[J].玻璃,2018,45(5):23-26.
[13]闫亚琼,续芯如,徐洋,等.浮法玻璃锡槽内保护气体流动状态的三维数学模拟[J].玻璃,2018,45(9):5-8.