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对铜冷却壁的传热特性及高炉气流控制进行了阐述。针对当前高炉铜冷却壁寿命不理想和操作炉型不稳定,炉况波动大的现状,对铜冷却壁在有镶砖和无镶砖条件下的传热特性进行了阐述,并探讨了铜冷却壁高炉的气流控制问题。认为,在有镶砖的情况下,铜冷却壁不会出现温度过热,热冲击小、渣皮稳定性好,延长高炉铜冷却壁寿命的关键在于延长镶砖的寿命;控制好边沿气流强度,防止渣皮频繁脱落并减小热震,可延长镶砖的寿命;控制边沿气流可用铜冷却壁的温度来判断,以高于供水温度5~10℃,低于60~70℃为宜。
The heat transfer characteristics of copper stave and blast furnace air flow control are described. In view of the current situation that the life of copper cooling stave in blast furnace is not ideal and the operation furnace type is unstable and the condition of furnace fluctuates greatly, the heat transfer characteristics of copper stave with or without bricks and inlaid bricks are discussed. Airflow control of wall blast furnace. It is considered that the copper stave does not appear overheating, thermal shock and skunk stability when prolonging the life of the copper stave. To control the strength of the edge airflow, To prevent frequent skimming off and reduce thermal shock, can extend the life of mosaic tiles; control edge of the airflow can be used to determine the temperature of the copper cooling wall to higher than the water temperature 5 ~ 10 ℃, less than 60 ~ 70 ℃ appropriate.