氯化法钛白初品质量影响因素分析  

Analysis of Affecting Factors of Chlorinated Titanium Dioxide Semi-Finished Product’s Quality

作　　者：高毅安 Gao Yian(Pangang Group Vanadium&Titanium Recouces Co.,Ltd.,Panzhihua,Sichuan 617000,China)

机构地区：[1]攀钢集团钒钛资源股份有限公司,四川攀枝花617000

出　　处：《涂料工业》2020年第9期28-32,37,共6页Paint & Coatings Industry

摘　　要：结合氯化钛白生产工艺,针对氯化法钛白初品金红石含量、白度和消色力等重点质量指标进行了讨论,分析了反应温度和铝粉加入量对金红石含量的影响;杂质元素含量对白度的影响;反应温度、停留时间、反应混合程度和添加剂对粒径、白度及消色力的影响。提出通过调节加铝量、反应温度提高金红石含量;降低杂质含量提高白度;调节停留时间、优化反应器结构、动量比和添加适量的晶粒细化剂调节粒径和优化粒径分布,从而整体提升氯化法钛白初品质量的技术思路。The quality specification of chlorinated titanium dioxide semi-finished product was discussed,in terms of rutile conversion rate,whiteness and lightening power were discussed based on the chlorinated titanium dioxide production process in this article.The effects of reaction temperature and the amount of aluminum addition on rutile conversion rate,the effects of the impurity content on whiteness,and the effects of reaction temperature and time,mixing degree and the amount of additive on the particle size,whiteness and lightening power were analyzed.The technical suggestions of improving the quality of chlorinated titanium dioxide semi-finished product was proposed,including the adjusting the amount of aluminum addition,reaction temperature and tim e,optimizing the reactor structure and the momentum ratio,reducing the impurity content and adding appropriate amount of grain refiner to optimize the particle size and distribution.

关 键 词：加铝量 反应温度 停留时间 晶粒细化剂 

分 类 号：TQ621.1+2[化学工程—精细化工]