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首页> 外文会议>Advances in fluid mechanics amp; heat amp; mass transfer >Mathematics Methods Usage for Diagnostic and Early Forecast of Emergency for Metallurgical Installations Refractory Linings
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Mathematics Methods Usage for Diagnostic and Early Forecast of Emergency for Metallurgical Installations Refractory Linings

机译：数学方法用于冶金装置耐火衬里的诊断和紧急情况的早期预测

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摘要

Refractory lining damage fixing is a complicated task, because of high temperature usage of installation and various characters of possible lining damages. So, only damages, which have connections with working surface of the lining, could be fixed directly. Such dangerous damages as metal penetration between working and control layer of the installation of thin inner cracks are invisible for visual methods of control, laser scanning of the surface for example. But all these damages have some temperature effects on the outer surface of the metal casing of the installation. This temperature effect can be fixed with up-to-date measurement equipment and the obtained data is enough for fixing and characterization of the damage. A Complex of mathematics and physics methods (such as FEM, Relaxation, heat likeness and so on) is needed for transformation of the outer temperature field of installation into the 3-dimentional damage map of the lining. This Complex was successfully applied for heat transfer modeling and damage fixing for such equipment as casting ladle, RH-degasser and VD-VOD degasser.
机译：由于安装的高温使用和可能的衬里损坏的各种特性，修复耐火衬里损坏是一项复杂的任务。因此，只能直接修复与衬里工作表面有关的损坏。对于肉眼可见的控制方法（例如激光扫描表面），看不见这种危险的损坏，如在薄的内部裂缝的安装层的工作层和控制层之间的金属渗透。但是所有这些损坏都会对装置的金属外壳的外表面产生一定的温度影响。可以使用最新的测量设备来修复这种温度影响，并且获得的数据足以修复和表征损坏。为了将安装的外部温度场转换为衬砌的三维损伤图，需要使用复杂的数学和物理方法（例如FEM，松弛，热相似度等）。该复合体已成功应用于铸钢包，RH-脱气机和VD-VOD脱气机等设备的传热建模和损伤修复。

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