光卤石分解制取氯化钾晶体粒度控制技术  

Crystal Grain-size Control in the Process of Potassium Chloride Producing from Carnallite Decomposition Method

作　　者：谢玉龙 赵亮 

机构地区：[1]青海中信国安联宇钾肥有限公司,青海格尔木816000 [2]青海盐湖集团化工分公司生产部,青海格尔木816000

出　　处：《盐湖研究》2010年第2期62-64,共3页Journal of Salt Lake Research

摘　　要：讨论了1×106t钾肥生产线光卤石分解、氯化钾结晶的晶体粒度影响因素,给出了最佳工艺控制条件,使氯化钾的产品粒度70%>0.2 mm,基本达到了设计要求,降低了湿产品的含水量,减少了干燥成本。The impact factors of carnallite decomposition and potash crystal size in the process of megaton potash production in Qarhan salt lake are discussed.The better process technology parameters are presented.70% of potash crystal size being above 0.2 mm,the design standards of potash size was achieved,the moisture content of potash product was cut down,and its desiccation cost was reduced.

关 键 词：光卤石 氯化钾 粒度 反浮选-冷结晶 

分 类 号：TQ443.1[化学工程—化学肥料工业]