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前言伟大的中国共产党提出了“鼓足干劲、力争上游,多快好省地建设社会主义”的总路线,和一套两条腿走路的方针,并提出以钢为钢带动其他工业,共同跃进,号召全民炼钢炼铁,在全民大炼钢铁运动中,既要用土炉也用洋炉。255米~3高炉是洋设备,但适于中小型炼铁厂使用,投资较小,建厂较快,宜于遍地开花。因此这种高炉制造的速度和数量就具有重大的政治经济意义。料斗是高炉的重大部件,目前的铸造生产能力远不能满足要求。如何贯彻党所指出的“化大为小,以小拼大”的方针于制造大型毛坯如料斗的生产中去就成为当前重型机械制造业中的重要任务之一。
Preface The great Communist Party of China has put forward the general line of “building a socialist society with more energy, more energy, faster and better economy” and a set of guidelines for walking along two legs. It proposes that steel should be used as a steel to promote other industries and make progress together. National steelmaking iron and steel, steelmaking movement in the National People’s Congress, it is necessary to use earth furnace also used ocean furnace. 255 meters ~ 3 blast furnace is a foreign equipment, but suitable for small and medium sized ironworks, less investment, faster construction, suitable for flowering everywhere. Therefore, the speed and quantity of such blast furnaces are of great political and economic significance. Hopper is a major component of the blast furnace, the current casting production capacity far can not meet the requirements. How to carry out the policy of “turning big into small and small into big,” as pointed out by the party, has become one of the most important tasks in the current heavy machinery manufacturing industry when it comes to the manufacture of large billets such as hoppers.