电助熔供能比例对电子玻璃熔化过程影响的数值模拟  

Numerical Simulation of Glass Melting Process in Electronic Glass Furnace with Different Electric Energy Ratios

作　　者：曹志强 韩建军[1] 张冲 李路瑶[1] 胡开文[1] 谢俊[1] 朱明柳 CAO Zhiqiang;HAN Jianjun;ZHANG Chong;LI Luyao;HU Kaiwen;XIE Jun;ZHU Mingliu(State Key Laboratory of Silicate Materials for Architectures,Wuhan University of Technology,Wuhan 430070,China;CNBM Bengbu Design and Research Institute for Glass Industry Co.,Ltd.,Bengbu 233018,Anhui,China)

机构地区：[1]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070 [2]中建材蚌埠玻璃工业设计研究院有限公司,安徽蚌埠233000

出　　处：《硅酸盐学报》2021年第12期2809-2816,共8页Journal of The Chinese Ceramic Society

基　　金：浮法玻璃新技术国家重点实验室开放课题基金资助(2020KF10);中央高校基本科研业务费专项资金资助(2020IVA095)。

摘　　要：电子信息技术的快速发展推动超薄电子玻璃市场不断扩大,电子玻璃生产向大型化、薄型化和柔性化方向发展。开发适用于大吨位电子玻璃窑炉的综合供能方式及能量调控方法是实现高品质电子玻璃稳定量产的前提。采用数值模拟技术对电子玻璃窑炉在不同电助熔供能比例条件下的运行状态进行分析,探究了电助熔供能比例对玻璃液熔化质量、窑炉传热效率及电极工作环境的影响。结果表明:电助熔供能比例为67.70%时,燃烧空间传热较少,维持池窑表面玻璃液高温状态的难度明显升高。池窑电极总功率采用1300~1400 kW及以上时,电极最大工作电流接近电极材料使用极限将导致电极侵蚀加剧。采用电助熔供能比例为57.89%时,得到玻璃液熔化质量相对较优,可实现电子玻璃熔窑服役周期内高效稳定运行。Ultra-thin electronic glass becomes popular due to the rapid development of electronic information technology,and electronic glass tends to be large,thin and flexible.The development of comprehensive energy supply and energy regulation method for the large tonnage electronic glass furnace to ensure the melting quality of electronic glass is a premise of realizing the large-scale and stable production of high-quality electronic glass.In this paper,the operating state of electronic glass furnace with different electric power ratios was analyzed via numerical simulation.The influence of electric energy ratio on the glass melting quality,heat transfer efficiency and working environment of electrode was investigated.The results show that energy transferred from combustion space is obviously reduced at an electric energy ratio of 67.7%,and it is more difficult to gain the high-temperature glass at the surface of glass tank.Moreover,the maximum electric current density of electrodes is the serviceability limit of electrode materials in a total electric power range of 1 300-1 400 kW,greatly accelerating the electrode erosion.The better glass melting quality is obtained when an electric energy supply ratio is 57.89%.Moreover,the efficient and stable operation of electronic glass furnace during service period was obtained.

关 键 词：电子玻璃 电助熔 能量调控 数值模拟 

分 类 号：TQ172[化学工程—水泥工业]