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阐述了炉外法金属铬冶炼中氧化铬和还原剂的成分及粒度、发热剂选取、发热量控制、加料速度等因素对一级品率的影响 ,指出了提高一级品率的有效途径。
The influence of the composition and particle size of chromium oxide and reducing agent, the choice of heating agent, the heating value control and the feeding speed on the first-grade product rate was described. The effective way to improve the first-grade product rate was pointed out.