300 MW烟煤机组全烧褐煤防堵断措施  

Measures for Preventing Blocking and Interruption of Full Burning Lignite in 300 MW Bituminous Coal Generating Units

作　　者：阳逵刚 杨春波 耿加松 郑霓 汪潜 YANG Kui-gang;YANG Chun-bo;GENG Jia-song;ZHENG Ni;WANG Qian(Yunnan Huadian Kunming Power Generation Co.,Ltd.,Kunming 650308,China)

机构地区：[1]云南华电昆明发电有限公司,云南昆明650308

出　　处：《云南水力发电》2023年第6期145-148,共4页Yunnan Water Power

摘　　要：云南华电昆明发电有限公司2×300 MW机组锅炉设计煤种为烟煤,在烧褐煤时磨煤机入口频繁发生堵断煤事件,严重影响机组运行的安全性、稳定性以及经济性。为了提高机组运行的安全性以及稳定性,结合燃用褐煤的特点采取一系列措施防止原煤仓煤位低、空仓,防止原煤仓堵断煤,防止给煤机频繁跳闸以解决磨煤机入口堵断煤问题。The design coal type of 2×300 MW unit boiler in Yunnan Huadian Kunming Power Generation Co.,Ltd.is bituminous coal.When burning brown coal,frequent coal blockage incidents occur at the inlet of coal mill,seriously affecting the safety,stability,and economy of unit operation.In order to improve the safety and stability ofunit operation,this paper takes a series of measures based on the characteristics of burning brown coal to prevent low and empty coal levels in raw coal bunker,prevent coal blockage and interruption in raw coal bunker,and prevent frequent tripping of coal feeder to solve the problem of coal blockage and interruption at the inlet of coal mill.

关 键 词：烟煤 褐煤 制粉系统 堵断煤 

分 类 号：TM621[电气工程—电力系统及自动化]