神头二电厂两台500MW 机组主厂房及其输煤系统建筑全部采闲双层压型钢板及压型铝板封闭,面积达10万 m~2(其中从捷克进货6万 m~2)。压型钢板单块高空安装是被国内外普遍采用的方法。我们运用这种方法在神电3期工程中完成了5万 m~2锅炉紧身封闭的艰巨任务,取得了一些成功的经验。但我们感到这种方法高 The main powerhouses of the two 500MW units in the Shentou Second Power Plant and their coal transportation system buildings were all closed by double-layered steel plates and pressed aluminum plates, covering an area of ​​100,000 m2 (of which 60,000 m2 were purchased from the Czech Republic). Single height installation of profiled steel plate is widely used at home and abroad. We have used this method to complete the arduous task of tightly sealing 50,000 m2 boilers in the 3rd phase project of Shendian and achieved some successful experiences. But we feel this method is high