循环流化床锅炉脱硝喷氨低耗深度分析  

Analysis on Denitrification and Ammonia Spray Low Consumption in Circulating Fluidized Bed Boiler

作　　者：姜宇鹤 孔祥隆 杜智永 Jiang Yu-he;Kong Xiang-long;Du Zhi-yong(Huadian Zhangqiu Power Generation Co.,Ltd.,Jinan 250200,Shandong Province,China)

机构地区：[1]华电章丘发电有限公司,山东济南250200

出　　处：《科学与信息化》2023年第22期88-90,共3页Technology and Information

摘　　要：针对某电厂SCR系统氨耗量大、空预器堵塞的问题,利用CFD数值模拟的方法,通过等比例模型,对烟气流场、喷氨格栅、喷氨格栅阀的优化设计进行了模拟;通过优化设计,对脱硫装置进行了改造和调试,与各装置的运行状况相比,达到了最佳的改造效果。Aiming at the problems of large ammonia consumption and air preheater blockage in SCR system of a power plant,the optimal design of flue gas flow field,ammonia spray grid and ammonia spray grid valve is simulated by equal scale model using CFD numerical simulation method.Through the optimal design,the desulfurization unit is modified and debugged,and achieves the best transformation effect compared with the operation status of each unit.

关 键 词：SCR 喷氨优化 火电厂锅炉 氨逃逸 CEMS系统 

分 类 号：TK2[动力工程及工程热物理—动力机械及工程]