材料与冶金学报2025，Vol.24Issue(4)：332-339,8.DOI:10.14186/j.cnki.1671-6620.2025.04.003
电极结构对石墨化炉电热特性影响的数值模拟
Numerical simulation of the influence of electrode structure on electrothermal characteristics of graphitization furnace
摘要
Abstract
Combined with the theory of heat transfer and the basic principle of electric field,a three-dimensional geometric model and an electrothermal coupling mathematical model of the graphitization furnace(output of 27 t)for the production of graphite particles were established,and the electrothermal characteristics of the furnace were analyzed.By changing the structural parameters such as electrode diameter d,electrode insertion depth h,and ipsilateral electrode spacing D,the distribution of electric field strength E in the furnace,as well as the changes of power density P and temperature T with time τ,were analyzed.The results show that the area near the electrode and between the positive and negative electrodes is the main heating area in the furnace,and the heating rate of the material is small in the early stage and large in the later stage.With the increase of electrode diameter,the average power density P in the furnace increases,and the heating rate of the material becomes larger.When the electrode diameter is 0.6 m,the furnace's electrothermal performance reaches its best.With the increase of electrode insertion depth,the average power density and temperature in the furnace increase significantly,the heating rate of the material is greatly accelerated,and the maximum electrode insertion depth is 0.6 m.The spacing of the electrodes on the same side has little influence on the average power density and average temperature in the furnace,but has a great influence on the distribution of the high temperature area,whose reasonable value range of the electrode spacing on the same side is 1.8 m to 2 m.关键词
石墨化炉/电场/温度场Key words
graphitization furnace/electric field/temperature field分类
矿业与冶金引用本文复制引用
侯东杰,秦勤,于庆波..电极结构对石墨化炉电热特性影响的数值模拟[J].材料与冶金学报,2025,24(4):332-339,8.基金项目
重庆市科技项目-攻关项目(CSTC2018JSZX-CYZDX0100). （CSTC2018JSZX-CYZDX0100）
