MPS—245中速磨煤机中部筒护板改造

Middle Muff Remould of MPS-245 Middle Speed Mill

神头第二发电厂 (文中简称为“神二”)一期工程两台 5 0 0 MW机组所采用的 MPS— 2 4 5型磨煤机 ,长期以来存在磨辊、喷嘴环和中部筒护板磨损严重等不少问题 ,特别是磨中部筒护板一般在运行到 2 1 60 h后就磨坏了。经过技术攻关 ,对设备进行了改进 。

In two 500 MW units of Shentou No.2 Power Plant,there are some serious operating problems in its MPS 245 mill,concentrating on rollers,air nozzles rings and protecting armors wearing.The protecting armors in the middle muff of the mills will collapse after 2 160 h continuously running especially.This difficulty has been successfully solved by the the way of equipment improvement.