热风炉的改造１前言水岛铁厂２号高炉、３号高炉、４号高炉的热风炉自修建或改造以来，已分别连续运行了１９年、１５年、１７年。热风炉现状的问题主要在于半球形拱顶铁壳上的应力侵蚀裂纹和因蓄热室硅砖和格子砖的变态脆性而引起的砌砖崩塌。目前２号高炉、４号高炉的热... Retrofitting of Stove 1 Introduction The Stove of No.2, No.3 and No.4 blast furnaces of Shui Dang Iron Works have been continuously operated for 19 years, 15 years and 17 years respectively since they were constructed or rebuilt. The problems with the hot blast stove are mainly the stress corrosion cracking on the hemispherical vault steel shell and the collapse of the brickwork caused by the metamorphic brittleness of the silica brick and the grating brick in the regenerator. The current No. 2 blast furnace, No. 4 blast furnace heat ...