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遵照毛主席“要迅速改变北煤南运”的教导,我厂从七○年初开始进行立式炉白煤粉化铁的试验,七一年初先后改建成两座2.5吨/时立式炉,并稳定应用于生产,随着生产发展的需要,球墨铸铁也从开始的不正常小批生产,到近几年来,柴油机上马后的大批生产。现在,我厂年产135系列柴油机1100合,球铁铸件约375吨,确保了生产的需要。立式白煤粉化铁炉的球墨铸铁生产,是在两条路线斗争中发展起来的。几年来,经过不断的摸索,学习和实践。到目前,产品质量稳定,性能良好。实践证明,立式白煤粉化铁炉进行球铁生产不仅是可以的,而且有较有利的条件。目前我厂的球铁生产,废品较少出现,性能符合产品要求,满足了柴油机生产的需要,为支援农业机械化作出了一定的贡献,现将一般情况介绍如下:
In accordance with the teaching of Chairman Mao’s “Quickly Changing the North Coal Transportation in South China”, our factory started the trial of vertical furnace coal white iron from the beginning of 1970 and was later converted into two 2.5-ton vertical steam generators at the beginning of July. And steady application in the production, with the development of production needs, ductile iron from the beginning of abnormal small batch production, in recent years, the diesel engine after the mass production. Now, I plant with an annual output of 135 series Diesel Engine 1100, ductile iron casting about 375 tons, to ensure the production needs. Vertical white coal iron ductile iron ductile iron production, is developed in the struggle between the two routes. Over the past few years, after continuous exploration, learning and practice. Up to now, the product quality is stable and the performance is good. Practice has proved that the vertical white coal powder iron furnace ductile iron production is not only possible, but also more favorable conditions. At present, the production of ductile iron in our factory is rare, and the performance meets the requirements of the products to meet the needs of diesel engine production. Some contributions have been made to supporting agricultural mechanization. The general introduction is as follows: