在批林批孔运动推动下,钢铁工业出现了大干快上的跃进形势,为发挥和挖掘本钢二铁厂五号高炉的生产能力,强化2000米~3大型高炉的生产,在本钢二铁厂党委领导下深入发动群众,自力更生,加快新技术的投产应用,于七五年一月份,自行设计、土法上马、先土后洋,在五号高炉矿槽下按装三台自动平衡筛,在二月一日投产一台,四月初又先后投产两台,现已有五台自动平衡 In line with the pro-Lin bidding movement, the iron and steel industry has shown a leap forward. In order to give full play to and tap the production capacity of the No. 5 blast furnace at the Second Iron Works of Benxi Iron and Steel Co., Ltd. and strengthen the production of 2000-3 large blast furnaces, Under the leadership of the Party committee of the Second Railroad, they mobilized the masses to make their own efforts to speed up the commissioning and application of new technologies. In January 1975, they designed and launched their own law. Balanced screen put into operation on February 1, and has put into operation two sets in early April, now has five automatic balance