【摘要】 针对HPF脱硫工艺产生的副盐,设计了利用多效蒸发来处理脱硫废液的系统,节能环保效果显著。通过分析建立了系统的数学模型,为便于软件编程求解,用回归式来表示各相间的平衡关系;在此基础上,提出了系统的优化设计方法,以年费用为指标,采用拉格朗日乘子法和复合形法求解,并通过计算机实现其运算。最后以重钢为具体算例,求得最佳效数为1效,为其脱硫液处理系统设计及改进提供了理论参考。更多还原

【Abstract】 For the by-product of HPF desulfurizing process,this paper designed a multi-effect evaporation system to treat desulfurization wastewater,which was effective in energy saving. It established the systematic mathematical model by analyzing,and correlating the equilibrium with equation so that the model could be easily solved by software. Based on this,the optimization design method was put forward. The indicator of the optimization design was the total annual cost of the system,and this model was solved by the Lagrangian multiplier method combined with the complex method,and was finally completed via computer software. In the end,this paper took Chongqing Iron and Steel Co.,Ltd as a practical example,and pointed out according to the results that the optimal amount was 1,which provided a theoretical reference for the company.更多还原