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1986年,苏联奥尔斯克-哈里洛沃冶金联合工厂(OXMK)对有效容积1513m~3的3号高炉进行了一级大修。大修期间,改造了供料系统,安装了带烧结矿和球团矿中粒级5～0mm 碎屑的筛分装置的输送机。风口从16个增至18个,而风口直径从160mm 减少到150mm。此外,还进行了出铁场的改造。大修后,在3号高炉试行的最初阶段,高炉没能达到经济的高生产率的操作。炉子操作不均匀,炉温状况显著波动,边缘行程有明显的迹
In 1986, the Orsk-Hariloow Metallurgical United Plant (OXMK) of the Soviet Union conducted a major overhaul of No.3 blast furnace with an effective volume of 1513 m 3. During the overhaul, the feed system was retrofitted and conveyors equipped with a sifting device for sinter and pellets of medium size 5 to 0 mm debris were installed. The tuyere increased from 16 to 18 while the tuyere diameter was reduced from 160 mm to 150 mm. In addition, a renovation of the tallest yard was carried out. After the overhaul, the blast furnace failed to achieve economical, high-productivity operation during the initial phase of blast furnace No. 3. Stove operation is not uniform, significant fluctuations in furnace temperature, the edge of the journey obvious signs