分解槽直径对种分工艺和配置的影响  

Effect of precipitator diameter on seed precipitation process and arrangement

作　　者：姜跃华[1] 李志国[1] Jiang Yuehua;Li Zhiguo(Shenyang Aluminum and Magnesium Engineering and Research Institute Co.,Ltd.,Shenyang 110001,China)

机构地区：[1]沈阳铝镁设计研究院有限公司,辽宁沈阳110001

出　　处：《轻金属》2022年第8期8-12,共5页Light Metals

摘　　要：氧化铝种子分解采用连续搅拌反应器型式,其反应器主要采用机械搅拌分解槽,目前常用规格有Φ14 m、Φ16 m、Φ18 m等几种。本文分析研究了不同直径分解槽对于工艺效率、颗粒破损的影响,分析了槽壁、顶板和底板的重量与直径的关系,给出了搅拌功率、料浆输送功率、配套空压站和循环水功率与分解槽直径的关系,列出了不同直径分解槽的占地面积、应急事故池需求,给出了不同直径分解槽的应用场景,为氧化铝行业从业者合理使用分解槽装备提供了借鉴。Continuous stirred reactor is adopted for seed precipitation unit in alumina industry.The reactor mainly adopts mechanical stirred precipitator,and the common specifications are Φ14 m,Φ16 m,Φ18 m,etc.This paper analyzes and studies the influence of precipitators with different diameters on process efficiency and particle breakage,analyzes the relationship between the weight and diameter of tank wall,top plate and bottom plate,gives the relationship between mixing power,slurry transmission power,supporting air compressor station and circulating water power and precipitator diameter,lists the floor area of precipitators with different diameters and emergency pool requirements,gives the application scenarios of precipitators with different diameters,thus providing reference for counterparts in alumina industry to reasonably use precipitator equipment.

关 键 词：分解槽 比较 Φ14 m Φ16 m Φ18 m 

分 类 号：TF351[冶金工程—冶金机械及自动化]