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湘钢炼铁厂2号高炉过去一直采用单砂口操作,一般每周需重新捣制一次,为了抢时间,炉前工人要冒着炽热的高温进行砂口的拆除和捣制工作,还因捣制时不能按时出铁而导致炉内减风操作,造成生铁产量损失。自1990年二季度开始,该炉采用双砂口操作,即两个砂口轮流工作,与原来单砂口作业相比有以下优点:①砂口捣制可在常温状态下进
In the past, the No.2 blast furnace of Xiangtan Iron and Steel Co., Ltd. had been using a single sand mouth operation, generally need to be re-tamped once a week, in order to grab the time, workers in front of the furnace braved the hot high temperature demolition and ramming of sand mouth, When tamping can not be on time and lead to the operation of reducing the furnace furnace, resulting in loss of pig iron production. Since the second quarter of 1990, the furnace adopts double sand mouth operation, that is, two sand mouth turns work, compared with the original single sand mouth operation has the following advantages: ① sand mouth ramming can be carried out at room temperature