超大吨位一窑两线浮法玻璃熔窑的数值模拟研究

硅酸盐通报 ›› 2022, Vol. 41 ›› Issue (11): 3901-3909.

所属专题：玻璃

超大吨位一窑两线浮法玻璃熔窑的数值模拟研究

易立^1,2, 韩建军^1,3, 王桂荣², 李路瑶^1,3, 阮健^1,3, 陈德成², 王文田²

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.武汉长利新材料科技股份有限公司,武汉 430090;
3.湖北省特种玻璃工程技术研究中心,武汉 430070

收稿日期:2022-06-22 修订日期:2022-09-23 出版日期:2022-11-15 发布日期:2022-12-12
通信作者: 韩建军,博士,研究员。E-mail:hanjj@whut.edu.cn
作者简介:易立(1989—),男,硕士研究生。主要从事浮法玻璃熔化、成形的数值模拟及玻璃镀膜的研究。 E-mail:738948988@qq.com
基金资助:
中央高校基本科研业务费专项资金(2020IVA095)

Numerical Simulation of Ultra-Large-Scale Float Glass Furnace with Two Working Ends

YI Li^1,2, HAN Jianjun^1,3, WANG Guirong², LI Luyao^1,3, RUAN Jian^1,3, CHEN Decheng², WANG Wentian²

1. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China;
2. Wuhan Changli New Material Technology Co., Ltd., Wuhan 430090, China;
3. Specialty Glass Engineering Technology Research Center of Hubei Province, Wuhan 430070, China

Received:2022-06-22 Revised:2022-09-23 Online:2022-11-15 Published:2022-12-12

摘要/Abstract

摘要： 一窑两线浮法玻璃熔窑技术对我国浮法玻璃产业的升级转型和“双碳”目标的实现具有重要意义。本文采用Glass Furnace Model软件,数值模拟分析了1 250 t/d非对称型一窑两线浮法玻璃熔窑的温度分布和玻璃液流规律,利用温度场和液流场,以及快速粒子运动轨迹、粒子的最小滞留时间和平均滞留时间等指标,研究了冷却部的偏心结构设计对出口玻璃液温度均匀性及液流稳定性的影响。结果表明:主线冷却部的玻璃液回流进入支线的比例增加会导致支线冷却部入口玻璃液的温度降低;支线通道长度增加会导致支线流道出口玻璃液温度的降低;采用合适的偏心结构冷却部设计,主线和支线流道出口玻璃液在池窑内的滞留时间差异缩小,玻璃液在均化冷却阶段的横向温度差异减小,主线和支线冷却部玻璃液的液流稳定性提高。

关键词: 浮法玻璃, 玻璃熔窑, 一窑两线, 数值模拟, 冷却部结构设计

Abstract: The technology of one furnace with two working ends for float glass is significant for upgrading and transformation of float glass industry and achieving carbon peaking and carbon neutrality goals in China. In this study, a numerical simulation of a 1 250 t/d ultra-large-scale float glass furnace with two asymmetric working ends was carried out by using Glass Furnace Model software, and the temperature distribution and glass melt flow character were analyzed. The influence of an eccentric structure design for working ends on glass melt temperature homogeneity and glass melt flow stability at the exits was studied by analyzing temperature contour and melt flow pattern, and comparing trajectories of fastest particles, minimum residence time and average residence time of particles. The results show that the temperature of glass melt at the entrance of branch working ends decreases when the proportion of back flow feeding into the branch working ends increases. Increasing the length of channel connecting the neck and branch working ends leads a lower glass melt temperature at the branch line exit. It is clear that an appropriate eccentric structure design for working ends is beneficial for minimizing the difference of residence time in furnace between glass melt leaving through different working ends. It is also helpful for decreasing the temperature difference of glass melt in horizontal direction during homogenizing and cooling stages as well as increasing the flow stability of glass melt in both of the two working ends.

Key words: float glass, glass furnace, one furnace with two working ends, numerical simulation, structure design of working ends

中图分类号:

TQ171

易立, 韩建军, 王桂荣, 李路瑶, 阮健, 陈德成, 王文田. 超大吨位一窑两线浮法玻璃熔窑的数值模拟研究[J]. 硅酸盐通报, 2022, 41(11): 3901-3909.

YI Li, HAN Jianjun, WANG Guirong, LI Luyao, RUAN Jian, CHEN Decheng, WANG Wentian. Numerical Simulation of Ultra-Large-Scale Float Glass Furnace with Two Working Ends[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(11): 3901-3909.

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超大吨位一窑两线浮法玻璃熔窑的数值模拟研究

Numerical Simulation of Ultra-Large-Scale Float Glass Furnace with Two Working Ends

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