摘要
运用管道应力分析与计算方法,建立溶出管道应力的数学模型,并利用商业有限元分析软件ANSYS进行了应力分析。仿真结果表明,溶出管道热启动过程中管系的热膨胀将使管系的位移和约束机构的受力与力矩显著增加,而合理地设计管道弯折点和支架的位置,对减少管系对支架等约束机构的推力十分重要,在降低施工成本的同时也有助于增加管系的柔性和热启动过程的安全性。该模型符合实际情况并对大型工业氧化铝管道溶出系统的设计和评价具有指导作用。
A math model of digestion pipe stress was developed by using pipe stress analysis and calculation and stress analysis was conducted by ANSYS.The simulation results showed that thermal expansion of the pipe system made the displacement of the pipe system,stress and moment of restriction system increase obviously during hot starting procedure of digestion pipe.It was very important to design the position of the elbows and supports reasonably to reduce the bearing force loaded on the pipe system.It can also increase the flexibility of the pipe system and security of hot starting procedure while decreasing the construction cost at the same time.The model accords with the actual situation and can be helpful for the design and estimation of large-scale industrial alumina pipe digestion system.
出处
《矿冶工程》
CAS
CSCD
北大核心
2011年第2期74-78,共5页
Mining and Metallurgical Engineering
基金
国家自然科学基金资助项目(60634020)
关键词
电解铝
管式反应器
热应力
氧化铝
溶出管道
有限元
electrolytic aluminum
tubular reactor
thermal stress
alumina
dissolution pipe
finite element
