摘要
一水硬铝石生产氧化铝的溶出工序采用高压溶出工艺,高压溶出的加热方式主要有熔盐加热和高压蒸汽加热两种。熔盐可以在250-550℃范围内作为热载体,溶出使用的高压蒸汽一般是280-310℃。熔盐加热需要建立一套加热系统,而高压蒸汽来自自备电厂的锅炉。通过各方面对比可以得出,高压蒸汽方式更加有优势。
High pressure digestion process is used for alumina production by diaspore, the main heating modes in high pressure digestion are molten salt and high pressure steam. Molten salt can be used as heat carrier in the range of 250-550℃, and the high pressure steam for high pressure digestion is generally 280-310℃. The use of molten salt heating needs to establish a set of heating system, but high pressure steam is from self-provided power plant boiler. By the comparison of the two modes we can draw that high pressure steam is way more advantage.
出处
《世界有色金属》
2016年第13期23-24,共2页
World Nonferrous Metals
关键词
高压溶出
熔盐
高压蒸汽
氧化铝
一水硬铝石
High pressure digestion
Molten salt
High pressure steam
Alumina
Diaspore
