Numerical simulation for the lower shaft and the hearth bottom of blast furnace  

作　　者：SusenCheng TianjunYang QingguoXue HaibinZuo XiaowuGao WeiguoYang 

机构地区：[1]MetallurgicalEngineeringSchool,UniversityofScienceandTechnologyBeijing,100083Beijing,China [2]lronmakingDepartment,BeijingCentralEngineeringandIncorporationofIronandSteelIndustry,Beijing100053,China

出　　处：《Journal of University of Science and Technology Beijing》2003年第3期16-20,共5页北京科技大学学报（英文版）

基　　金：The work was financially supported by"95"key project of China(No.1997-02-08).]

摘　　要：One of the methods forming the shell is to appropriately design the coolingstaves and hearth without overheating during the campaign life of the furnace. The three-dimensionalsteady mathematical models for calculating the temperature distribution in the coolers andtwo-dimensional unsteady mathematical models with phase-change latent heat for calculating thetemperature distribution of the hearth bottom were established. The calculation results show thatthe formation of the slag-metal protection shell can be achieved by optimizing the design parametersof the coolers. Increasing the heat conductivity of the carbon brick can move the isothermal lineof 1150 deg C upward outside the hearth bottom.One of the methods forming the shell is to appropriately design the coolingstaves and hearth without overheating during the campaign life of the furnace. The three-dimensionalsteady mathematical models for calculating the temperature distribution in the coolers andtwo-dimensional unsteady mathematical models with phase-change latent heat for calculating thetemperature distribution of the hearth bottom were established. The calculation results show thatthe formation of the slag-metal protection shell can be achieved by optimizing the design parametersof the coolers. Increasing the heat conductivity of the carbon brick can move the isothermal lineof 1150 deg C upward outside the hearth bottom.

关 键 词：blast furnace STAVE plate-stave combined system hearth bottom mathematical model computational software 

分 类 号：TF53[冶金工程—钢铁冶金]