热力仿真在RH真空槽设计分析中的应用

摘要/Abstract

摘要： 采用SolidWorks Simulation热力仿真模块对RH真空槽离线加热至1 300 ℃后吊运至工作位安装的新工艺进行设计分析。建立真空槽壳体及耐材的有限元模型，分析以1 300 ℃预热真空槽20 h、96 h以及预热至稳态共3种初始工况下再自然冷却30 min过程中真空槽的温降特性。结果表明，预热20 h条件下，耐材蓄热不足，30 min自然冷却后真空槽上部耐材内壁不足800 ℃，不能满足生产需要；真空槽预热96 h以及预热至稳态条件下，30 min自然冷却后真空槽内各区域温度均高于800 ℃，满足生产需要，且预热96 h并吊运安装30 min后真空槽外壳表面温度的仿真计算值与现场实测值基本一致。考虑到经济性，生产中应采用预热96 h的方案。设计分析结果为RH新工艺在工程中的应用提供了理论指导。

关键词: 设计分析, 热力仿真, RH, 真空槽

Abstract: In this paper, the design and analysis of a new process technology which is lifting the vacuum tank to the work position with a original temperature 1 300 ℃ by off-line heating was performed using the thermal simulation module of SolidWorks Simulation. The finite element model of the vacuum tank including the shell and refractory lining was established. Three types of boundary conditions, in which the vacuum tank were preheated to 1 300 ℃ for 96 hours transiently，for 20 hours transiently and preheated to the steady state, were considered in the performed simulations. Then, the vacuum tank was left to cool naturally in 30 minutes. Finally, the temperature drop characteristics of the vacuum tank was analyzed. Results showed that the heat storage of the factory lining in the vacuum tank was obvious insufficient with the temperature condition in which the tank was preheated to 1 300 ℃ in 20 hours transiently. And the temperature of the top area was less than 800 ℃ after the cooling process. So it could not meet with the production requirements. For the other two temperature boundary conditions for the preheating, all parts of the vacuum tank exhibited a higher temperature than 800 ℃ after the cooling process, which could meet with the production requirements. Also, a good correlation was obtained between the temperature distribution of vacuum tank after preheating in 96 hours and cooling naturally in 30 minutes with the actual temperature distribution. From the economic point of view, the preheating solution in which the tank was preheated in 96 hours should be used in practical production. Computational results provided some theoretical guidance for the engineering application of RH vacuum furnace.

Key words: design analysis, thermal simulation, RH, vacuum tank

刘向东1，王翔2，宋朝省1，高瞻1，行开新2. 热力仿真在RH真空槽设计分析中的应用[J]. 炼钢.

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[6]	任志峰1，2，罗志国1，邹宗树1. 弓形浸渍管RH钢液流动行为的物理模拟[J]. 炼钢, 2019, 35(1): 12-17.
[7]	郭晓春，富强，王健，姚志龙. 提高RH精炼铝镇静钢连浇炉数的研究及实践[J]. 炼钢, 2018, 34(4): 45-49.
[8]	张嘉华，兰岳光，王俊刚. RH干式真空泵系统技术应用实践[J]. 炼钢, 2018, 34(3): 25-28.
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[10]	姜玖辉1，陶迎1，钟渝1，行开新2，刘向东1. 一体式浸渍管真空槽热场分析[J]. 炼钢, 2017, 33(2): 28-32.
[11]	汪龙，张文. 具有节能特色的RH液压系统[J]. 炼钢, 2017, 33(2): 33-37.
[12]	舒宏富，刘浏，杨利彬. RH真空室内钢液温度连续测量系统的开发与应用[J]. 炼钢, 2016, 32(6): 34-37.
[13]	魏付豪1，刘建华1，张游游1，赵雨2，李康伟1，邓振强1. RH精炼终点预报模型[J]. 炼钢, 2016, 32(6): 38-44.
[14]	汪龙张文许海虹章德平. RH钢包顶升液压系统选择策略[J]. , 2016, 32(1): 47-51.
[15]	阿不力克木·亚森1，刘洋1，单以刚2，于湛2，朱守欣2. 8620RH非调质钢全流程洁净度研究[J]. 炼钢, 2015, 31(6): 40-.

热力仿真在RH真空槽设计分析中的应用

Application of thermal simulation on design and analysis of RH vacuum tank

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