壁温在线监测系统在1000 MW超超临界塔式锅炉中的应用  

Application of Wall Temperature On-Line Monitoring System in 1000 MW Ultra-Supercritical Tower-Type Boiler

作　　者：王国力 WANG Guoli(Heilongjiang Branch of State Power Investment Group Co. , Ltd. , Harbin 150023, China)

机构地区：[1]国家电投黑龙江分公司,黑龙江哈尔滨150023

出　　处：《锅炉技术》2022年第2期58-61,共4页Boiler Technology

摘　　要：在某电厂1000 MW超超临界塔式锅炉设计、制造和安装环节中,通过炉内壁温在线监测系统的模拟计算,对集箱开孔、材料布置、测点安装位置等方面进行了优化设计和改进,极大地改善了锅炉受热面的热偏差特性;在锅炉实际运行中,利用该系统的在线分析和统计功能,指导燃烧调整并对主蒸汽、再热蒸汽温度的控制方案进行了改进,锅炉过热器、再热器管屏的运行安全性大幅提高,并取得良好的经济效益和社会效益。In the design,manufacture and installation of 1000 MW ultra-supercritical tower-type boiler in a power plant,the optimization of design and improvement of header opening,material layout and installation position of measuring points are carried out,through the simulation calculation of the on-line monitoring system of furnace inner wall temperature,which greatly improves the thermal deviation characteristics of boiler heating surface.In the actual operation of the boiler,the online analysis and statistical function of the system are used to guide the combustion adjustment,and the control scheme of main and reheat steam temperature is improved.The operation safety of boiler superheater and reheater tube panel is greatly improved,and good economic and social benefits are obtained.

关 键 词：超超临界锅炉 塔式锅炉 壁温在线监测系统 受热面 热偏差 燃烧调整 主蒸汽、再热蒸汽温度 

分 类 号：TK223.7[动力工程及工程热物理—动力机械及工程]