ＲＦＭ－Ⅱ型热风隔绝门过去，电站锅炉上的冷、热风门大多采用插板式或翻板式，由于结构上的问题，普遍存在经常卡死和漏风严重等缺陷，给磨煤机切换或停机检修带来很多困难。铁岭电厂国产引进型３００ＭＷ机组锅炉因该门漏风大造成皮带和磨煤机轴瓦等设备的损坏事故，威... RFM-Ⅱ-type hot air isolation door In the past, most of the cold and hot air damper on power plant boilers use plug-in or flap-type, because of the structural problems, there are common defects such as frequent card death and serious air leakage, switch to the coal mill or downtime maintenance Bring a lot of difficulties Tieling Power Plant domestic introduction of 300MW boilers due to the leakage of the air caused by belt and coal mill bearings and other equipment damage accident, Wei ...