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在利用土铁铸造,解决铸造生铁供应不足的困难中,工人同志总结出了土铁利用的关键,提出“猛攻硫磷关三增三脱、白口变灰口四高三少”的口号。所谓三增指的是增碳、增硅、增锰;三脱指的是脱硫、脱磷、脱气;四高指的是高质、高温、高产、高龄;三少是要求燃料消耗少、合金用量少、废品少。广大工人在这一口号的启发和指导下创造出了各种各样的去硫和增碳的有效办法。请看,广大工人在猛攻硫磷、变白口为灰口中所创造出的办法吧!
In making use of soil iron casting and solving the problem of insufficient supply of foundry pig iron, the workers’ comrades summed up the key to the utilization of soil iron and proposed the slogan of “attacking the thiophanate-phosphorus off three by three off and reducing the whiteness by four or three highs”. The so-called three by means of carbon, silicon, manganese; three off refers to the desulfurization, dephosphorization, degassing; four high refers to the high quality, high temperature, high yield, advanced age; three less is less fuel consumption, Less amount of alloy, less scrap. Inspired and guided by this slogan, the majority of workers have created various effective ways to reduce sulfur and increase carbon emissions. Look, the majority of workers in the fierce attack on phosphorus, become the gray mouth to create a way out of it!