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根据Mizikar原理,发展了一种板坯连铸的一维热传输数学模型.应用计算机模拟技术分析工艺参数的结果说明:如果将二次冷却区的每一截面抽取的热量保持常数,则二次冷却区第i段的水流量W_i可以下式表示:W_i=S_i(A_i+B_iV)~as——截面积;A,B——常数;V——浇铸速度;a——水口参数;i——段标记武钢连铸机原来的操作,二次冷却水的控制是建立在静态热平衡基础上的.当有必要改变浇铸速度时,它不能满足表面温度保持不变的要求.新的方法得以改善雾化冷却的控制,从工厂的生产实践证明是令人满意的.
According to the principle of Mizikar, a mathematical model of one-dimensional heat transfer for slab continuous casting is developed. The results of computer simulation of the process parameters show that if the heat extracted from each section of the secondary cooling zone is kept constant, The cooling water area i section of the water flow W_i can be expressed as follows: W_i = S_i (A_i + B_iV) ~ as - cross-sectional area; A, B-- constant; V-- casting speed; a-- nozzle parameters; i- - Paragraph marking the original operation of the WISCO continuous casting machine, secondary cooling water control is based on static heat balance. When it is necessary to change the casting speed, it can not meet the surface temperature requirements remain unchanged. The new method is improved Control of atomization cooling, from the factory production proved to be satisfactory.