温洪霞，陈桂英，王振海(济南钢铁集团总公司技术中心，山东济南250100)摘　要：试验测定了MgCI2溶液不同浓度和喷洒量对济钢现有原料条件下烧结矿低温还原粉化率(RDI)和还原度(RI)的影响。结果表明：每500g烧结矿喷洒10～20mL浓度为1.0%～3.5%的MgCI2溶液，能显著降低烧结矿的RDI，且还原度不受影响，以500g烧结矿喷洒浓度为2.5%的MgCI2溶液10mL综合效果最佳，可使烧结矿的RDI从36%降至4.4%。关键词：烧结矿；卤化物；低温还原粉化率；还原度中图分类号：TF046.4　　文献标识码：B　　文章编号：1004-4620(2002)06-0043-02InfluenceofMgCl2SolutionontheRDIofSinterWENHong-xia,CHENGui-ying，WANGＺhen-hai(TheTechnologyCenterofJinanIronandSteelGroup,Jinan250101,China)Abstract：ItisdeterminedinexperimentthattheinfluencesofMgCI2solutiondifferentconcentrationsandamountofinsufflationsonthelowtemperaturereductiondegradationindex(RDI)andreducibilityindex(RI)ofsinterunderresentrawmaterial.Theresultsshowthatinsufflating10～20mLMgCI2Solutionof1.0%～3.5%concentrationsto500gsintercanreducetheRDIofthesinterobservablyandhavenoinfluenceonRI,andthei..