|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
scr脱硝系统流场数值模拟及优化
, PP. 71-75
Keywords: 烟气,scr脱硝系统,流场分布,数值模拟,导流板
Abstract:
采用cfd软件fluent对某330mw机组scr烟气脱硝系统进行流场数值模拟计算,分析反应器及烟道中导流板的不同布置对流场分布的影响。结果表明:通过在入口烟道采用圆弧过渡转角及6片直形曲板,反应器与混合段水平连接处采用6片折板导流,催化剂入口前采用54片直板等间距布置的优化措施,可显著改善流场均匀性。优化后第1层催化剂截面处速度不均匀值为14.4%,系统压降为134.43pa,满足优化要求,有利于脱硝反应和延长催化剂使用寿命。
| [1] | nischtw,wooldridgeb,bigalbalj.recentscrretrofitexperienceoncoal-firedboilers[j].neworleans:power-geninternational,1999,30:1-11.
|
| [2] | 王志轩,潘荔,张晶杰,等.我国燃煤电厂"十二五"大气污染物控制规划的思考[j].环境工程技术学报,2011,1(1):63-71.wangzhixuan,panli,zhangjingjie,etal.thinkingaboutthetwelfthfive-yearplanningofairpollutantscontrolforchina'scoal-firedpowerplant[j].journalofenvironmentalengineeringtechnology,2011,1(1):63-71.
|
| [3] | 郭婷婷,刘汉强,杨勇平,等.基于数值模拟的1000mw燃煤机组scr脱硝系统设计[j].电站系统工程,2010,26(5):3-4.guotingting,liuhanqiang,yangyongping,etal.scrsystemdesignbasedonnumericalsimulationof1000mwcoal-firedstation[j].powersystemengineering,2010,26(5):3-4.
|
| [4] | 陈莲芳,周慎杰,王伟.选择性催化还原烟气脱硝反应器流场的模拟优化[j].动力工程学报,2010(3):224-229.chenlianfang,zhoushenjie,wangwei.simulationoptimizationonflowfieldofscrdenitrificationreactors[j].powerengineering,2010(3):224-229.
|
| [5] | 沈丹,仲兆平,过小玲.600mw电厂scr烟气脱硝反应器内不同导流板的流场数值模拟[j].电力环境保护,2007,23(1):42-45.shendan,zhongzhaoping,guoxiaoling.numericalsimulationofdifferentguideplatesinselectivecatalyticreductiondenitrificationreactorof600mwpowerplant[j].electricpowerenvironmentalprotection,2007,23(1):42-45.
|
| [6] | 韩升.燃煤电厂scr反应装置数值模拟及优化研究[d].南京:南京理工大学,2010.hansheng.thenumericalsimulationandoptimizationofscrapplicationforacoal-firedpowerplant[d].nanjing:nanjinguniversityofscienceandtechnology,2010.
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
