轻烧料消化工艺对白云石熟料烧结性能的影响

Effect of light-burned digestion process on sintering properties of dolomite clinker

以河南卫辉白云石为原料,经1 200℃2 h煅烧得到轻烧白云石,再经破粉碎后,分别研究了加水量(分别为轻烧白云石料质量的20%、30%、40%和50%)对消化后轻烧白云石粒度的影响,以及消化加水量和困料时间(分别为0.5、1、2、3、4、8和12 h)对烧结后白云石熟料烧结性能的影响。结果表明:当消化加水量<40%(w)时,随消化加水量的增加,消化后的轻烧料粒度越来越细。消化加水量为30%(w)、困料时间为2 h时,制得的白云石熟料的烧结性能最佳。

Dolomite from Henan Weihui was calcined at 1 200 ℃ for 2 h to get light-burned dolomite.The influences of digestion water additions（20%,30%,40% and 50% of the mass of ball milled light-burned dolomite） on particle size of digested light-burned dolomite and the digestion water additions and aging times（0.5,1,2,3,4,8 and 12 h） on the sintering properties of sintered dolomite clinker were studied,respectively.The results show that：when the digestion water addition is 〈40%,with water addition increasing,the particle size of digested light-burned dolomite becomes smaller;when the digestion water addition is 30% and the aging time is 2 h,the prepared dolomite clinker performs the best sintering properties.