国华定州电厂600MW机组脱硫系统除雾器前烟道改造的数值模拟研究.pdf

600 MW 1 1 2 1 杨勇平, 孙志春, 陆 遥 , 郭永红 1. 华北电力大学电站设备状态监测与控制教育部重点实验室, 北京 102206 2. 阿尔斯通技术 务( 上海) 有限公司北京分公司, 北京 100027 [ ] 借助通用的CFD 数值计算软件FLUENT , 对国华定州电厂600 M W 机组烟气脱硫系 统除雾器前烟道流场进行模拟数值分析结果表明, 由于脱硫系统除雾器前烟道内导 流板布置位置不合理等因素的影响, 导致该区域流场分布不均匀对除雾器前烟道内 的导流板布置位置进行了数值计算, 给出优化改造方案运行情况表明, 改造后除雾器 的除雾效率有了较大的提高 [ ] 电厂; 600 MW 机组; 烟气; 湿法脱硫; 除雾器; 数值计算 [ ] X701 [ ] A [ ] 2010) [DOI ] 10. 3969/ j. i n. 2010. 10. 033 NUMERICAL SIMULATION STUDY ON RETROFITTING FLUE DUCT BEFORE THE MISTELIMINATOR IN FGD SYSTEM OF 600 MW UNIT IN GUOHUA DINGZHOU POWER PLANT 1 1 2 1 YANG Yongping , SU N Zhichun , LU Yao , GU O Yonghong 1. Key Laboratory of Condition Monitoring f or Pow er Plant E qu ipmen t und er Mini try of Education, North China Electric Pow er U niver ity, Beijing 102206, PRC 2. Al tom T echnical Service ( Shanghai) Co Ltd, Beijing Branch Company, Beijing 100027, PRC Abstract By u ing the univer al CFD oftw are FLUENT , the flow f ield in flue duct before the mi te liminator in FGD y tem of 600 M W unit in Guohua Dingzhou Pow er Plant ha been imulated. Re ult of numerical analy i how that the flow f ield di tributio n in thi regio n i uneven due to unrea ional be arr angement of baffle plate in flue duct before mi teliminator of the FGD y tem. The po ition of baffle plate arrang em ent in flue duct before the mi telim inator ha been num erically calculated, and an optim al retrof it cheme being obtained. The operatio n ituation after r etrof itting how that the mi teliminating eff iciency of the mi telim