Fluent calculation is an important means to simulate the flow of molten iron in blast furnace hearth. However, Fluent has many problems such as complicated operation and difficult entry and so on. By using Microsoft Visual Studio (VS) to develop the Fluent again, log file(Journal file) coded by TUI(Text User Interface) is used as the interface between VS and Fluent to interact data, and to establish geometric model of the flow of hot metal in blast furnace hearth based on many main parameters, such as hearth diameter, hearth radius, iron mouth depth, taper angle, and dead column state to optimize the process of parameter transfer. Modifying and replacing parameters of the log file with the method of variation replacement, which drives Fluent to achieve the model of the flow of hot metal in blast furnace hearth and simulate the stream field. The application software matches with practical engineering and it has simple and friendly interface, which reduces the use requirement of Fluent for the users and improves the work efficiency, and enhances the versatility and fastness of Fluent in the blast furnace industry.%采用Fluent进行流体力学计算是模拟高炉炉缸铁水流动的重要手段,但Fluent存在操作复杂、入门困难等问题.利用Microsoft Visual Studio(VS)对Fluent进行二次开发,利用TUI(Text User Interface)语言编写的日志文件(Journal文件)作为VS与Fluent数据交互的接口,建立以炉缸直径、炉缸高度、铁口深度、铁口倾角、死料柱状态等参数为主要参数的高炉炉缸铁水流动的几何模型,通过变量替换法完成对日志文件参数修改和替换,驱动Fluent实现高炉炉缸铁水流动的建模与流场数值模拟.该应用软件结合工程实际,界面友好简单,降低了Fluent对使用者的要求并提高其工作效率,增强了Fluent在高炉工业的通用性与快捷性.
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