炉水再循环方案在350 MW机组宽负荷脱硝中的应用  

Study on Application of Furnace Water Recirculation Scheme in Wide-load Denitrification of 350 MW Units

作　　者：景江峰 张向前 李晋刚 JING Jiangfeng;ZHANG Xiangqian;LI Jingang(Jinneng Holding Shanxi Electric Power Co.,Ltd.,Taiyuan,Shanxi 030032,China;Hejin Power Generation Branch of Jinneng Holding Co.,Ltd.,Hejin,Shanxi 043300,China)

机构地区：[1]晋能控股山西电力股份有限公司,山西太原030032 [2]晋控电力河津发电分公司,山西河津043300

出　　处：《山西电力》2023年第3期47-50,共4页Shanxi Electric Power

摘　　要：山西某发电公司为响应山西省深度调峰的要求,采用炉水再循环的技术路线对1号机组进行宽负荷脱硝改造。通过改造,机组负荷降低至40%额定负荷时,选择性催化还原脱硝装置入口烟气温度由287℃提高至300℃以上,具备了40%额定负荷及以上负荷工况下投运脱硝的能力。机组深度调峰能力从56%额定负荷降低至40%额定负荷,可为同类型机组深度调峰宽负荷脱硝改造提供参考。In response to the requirements of deep-peak regulation in Shanxi Province,a Shanxi power generation company adopts the technical route of furnace water recirculation to carry out the wide-load denitration transformation of Unit No.1.After transformation,the flue gas temperature at the inlet of the selective catalytic reduction denitration unit is increased from 287 C to more than 300 C,when the unit load is reduced to 40%rated load,and the denitration can be operated under the condition of 40%rated load and above.The deep-peak regulation capacity of the unit is reduced from 56%rated load to 40%rated load,which can provide reference for the deep-peak regulation and wide-load denitration transformation of the same type of units.

关 键 词：宽负荷脱硝 炉水再循环 深度调峰 选择性催化还原法 

分 类 号：TM621[电气工程—电力系统及自动化]