Temperature field and ventilation simulation of stope in Hongtoushan mine

Hongtoushan copper mine was studied by analyzing the type of heat source, the calculation method about thermal releasing in stope, thermal transfer between rock and air, distribution of temperature in stope were formulated. With CFD (Computational Fluid Dynamics, DFD) simulation and Fluent software, geometrical model of a stope was built, boundary conditions was initialized, then the temperature distribution, velocity and pressure field, concentration of oxygen and CO₂ of air were simulated. In order to validate the simulation result, the parameters of the stope were measured with meter, and comparing with the data of simulation. The result shows that the data of measuring and simulating are compatible. According to the distribution of temperature and velocity, some ways such as flow angle and flow velocity are put forward, simulation and parameter optimization made also, a satisfied result is acquired. The conclusion can be used on ventilation designing and stope improving. Supported by National Scientific and Technological 11th Five-Year Plan of China(2006BAK05B04-03)     

铝厂通风模拟的虚拟现实研究

针对铝电解厂房的自然通风问题，以东北大学虚拟现实和系统仿真中心的虚拟现实立体投影系统为平台，研究Fluent数值模拟结果的三维立体可视化虚拟显示。在CFD三维立体显示过程中，引入了虚拟现实技术，利用Fluent软件包对厂房的通风状况进行数值模拟和结构优化，其结果经过格式转换等处理导入到VR软件，并借助输入和演示设备，进行人机交互和立体显示，从而实现虚拟现实的功能。该技术解决了Fluent数值模拟的立体显示问题。     

铝镁合金管道的焊接施工

介绍了铝镁合金管道焊接施工程序和施工技术要求 ,对焊接过程中易出现的缺陷及形成原因进行分析 ,并提出相应的防止措施     

吊车梁焊接变形及防止措施

阐述并分析了吊车梁桥架主梁焊接变形的形成原因 ,并对防止变形提出了工艺措施     

铝电解厂通风模拟的虚拟现实研究

针对铝电解厂房的自然通风问题,引入虚拟现实技术,利用Flcent软件包对厂房的通风状况进行数值模拟和结构优化,其结果经过格式转换等处理导八到YR软件,并借助输入和演示设备,进行人机交互和立体显示,从而实现虚拟现实的功能.     

堆焊工艺在涡轮修复中的应用

我分公司卷板机上用于传动的涡轮,由于长期使用出现了轮齿断裂的现象。由于该齿轮价格昂贵,整体购买成本太高,为降低成本,我们决定采取堆焊的方法进行修复。