脱硫废水烟气蒸发技术中的数值模拟研究现状与发展  

Status and progress of numerical simulation in flue gas evaporation technology for desulfurization wastewater

作　　者：张富峰[1] 刘道宽 曲保忠 余子炎[1] 武凯[2] 马双忱[2] ZHANG Fufeng;LIU Daokuan;QU Baozhong;YU Ziyan;WU Kai;MA Shuangchen(Guangdong Honghaiwan Power Generation Company Limited,Shanwei 516623,China;Department of Environmental Science and Engineering,North China Electric Power University,Baoding 071003,China)

机构地区：[1]广东红海湾发电有限公司,广东汕尾516623 [2]华北电力大学环境科学与工程系,河北保定071003

出　　处：《华电技术》2020年第3期8-18,共11页HUADIAN TECHNOLOGY

基　　金：国家重点研发计划(2018YFB0604305)。

摘　　要：随着我国法律法规及电力行业标准的日益严格,火电厂实施脱硫废水零排放已迫在眉睫。烟气蒸发技术工艺简单,投资及运行成本较低,已成为终端废水零排放的主流方法。随着计算机技术的快速发展,计算流体动力学(CFD)技术越来越广泛地应用于烟气蒸发技术中的烟气流体和液滴蒸发的数值模拟。归纳了液滴蒸发机理、气液两相流及其数值研究现状,总结了烟气蒸发技术中的CFD数值方法和结果,为后续烟气蒸发技术的工程实践提供了理论基础和技术支持,并提出该技术未来的发展方向。With the increasingly strict regulations and standards of power industry in China,implementation zero discharge on desulfurized wastewater from thermal power plants is imminent.Since flue gas evaporation technology is simple,and of low investment and operating costs,it has become the primary method for zero emission.With the rapid development of computer technology,CFD is widely used in gas flow and droplets numerical simulation of flue gas evaporation technology.The droplet evaporation mechanism,gas-liquid two-phase flow and its numerical research are concluded,and the CFD numerical methods and the results of flue gas evaporation technology are summarized.It provides theoretical basis and technical support for the following engineering practices of flue gas evaporation technology,and proposes a development direction for it.

关 键 词：脱硫废水 零排放 烟气蒸发 CFD数值模拟 低温烟道蒸发技术 

分 类 号：TK09[动力工程及工程热物理]