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2号平炉于1962年9月中旬大中修时,把炉膛中部6米长的地方改为前后墙稍带内倾的对称炉型,与此同时,也把大炉顶的吊挂结构改造了一下,使炉子的寿命大大提高。对称炉型与改造前的尺寸见图1、2。炉顶是用铝镁砖砌成的,在过去,我们所采用的吊挂方式是很特别的,它不用楔形砖,全部用方砖,三块一组(一块460毫米的吊挂砖,两块380毫米的炉顶砖)。每组40毫米一级,用阶梯形式代替炉顶的拱形,而吊挂装置也是单线的,为了吊重,全无止推作用,这次修改后,整个炉顶都采用了止推
When the No.2 furnace was repaired in mid-September, 1962, the center of the furnace was changed to a slightly tilted symmetrical furnace with a 6-meter-long center in the middle of the furnace. At the same time, the furnace ceiling structure was also modified , So that the life of the stove greatly improved. Symmetrical furnace and the size before the transformation shown in Figure 1,2. The roof is made of aluminum-magnesium brick, in the past, we used a very special way to hang, it does not wedge-shaped brick, all with brick, a group of three (a 460 mm hanging brick, two Block 380 mm roof tile). Each group of 40 mm level, with the ladder instead of the roof of the arched form, and the hanging device is also a single line, in order to lift, all without stopping the role of this modification, the entire roof are used to push