蒸发冷却器的流场仿真与优化设计  

Flow field simulation and optimization design for evaporative cooler

作　　者：钟星立 张波 张斌[2] 

机构地区：[1]重庆赛迪冶炼装备系统集成工程技术研究中心有限公司CAE技术中心,重庆401122 [2]中冶赛迪工程技术股份有限公司能源环保事业部,重庆401122

出　　处：《计算机辅助工程》2016年第5期12-17,共6页Computer Aided Engineering

摘　　要：针对蒸发冷却技术相关理论模型并未完全成熟的问题,通过计算流体力学方法模拟转炉煤气干法除尘系统中蒸发冷却器的工作过程.仿真采用离散相模型(Discrete Phase Model,DPM),并在分散相液滴上应用蒸发换热模型.通过该数值方法优化该干法除尘系统中蒸发冷却器的喷淋布置方案,减少壁面的高温区域,提高温度的均匀性,使出口最高温度偏差由18.6%降低至3.4%.As to the issue that the relative theoretical models of evaporative cooling technology are notfully perfect, the working process of an evaporative cooler in dry dedusting system for converter coal gas issimulated by computational fluid dynamics method. The Discrete Phase Model （ DPM） is adopted in thesimulation and the evaporative heat exchange model is applied for the discrete phase fluid droplet. Thespraying arrangement plan is optimized for the evaporative cooler in dry dedusting system by numericalmethod. The high temperature area of the wall is reduced, the temperature uniformity is increased, andthe maximum difference of outlet temperature is reduced from 18.6% to 3.4% .

关 键 词：转炉 蒸发冷却器 离散相模型 蒸发换热模型 喷淋布置方案 优化 

分 类 号：TF341.1[冶金工程—冶金机械及自动化]