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宣钢第炼铁厂２＃高炉停炉重点中修后，在没有煤气来源的情况下，采用喷柴油烘热风炉，用焦炭烘高炉的力法，实现了顺利开炉，快速达产。开炉后两天利用系数达到１．７６ｔ／ｍ３．ｄ，创厂开炉历史最好水平。
In the absence of gas sources, the No. 2 blast furnace shut down in key steelmaking plant of Xuanhua Iron and Steel Co., Ltd. was repaired by using the method of coke oven blast furnace, which achieved smooth opening of furnace and rapid production. Two days after opening the utilization factor reached 1.76t / m3. d, the best start-up furnace open level.