生产原盐、加工盐及综合利用盐卤资源的工业部门。生产范畴包括:纳取海水、盐湖卤水或地下卤水,在盐田内日晒成盐;钻井汲取地下天然卤水或注水溶解地下岩盐得到的卤水,用圆锅、平锅加热煎煮或用真空、热压蒸发、浓缩成盐;钻井水溶开采地下岩盐,生产直接用作制碱原料的卤水;直接采出地下岩盐和盐湖中天然结晶的石盐。 按用途对原盐进行加工;从制盐母液中提取其他化工产品。制盐工业既是采掘工业,又是加工工业。盐的生产常集中在部分地区,销售遍及各地。盐是最古老的商品之一。
干燥是精制盐工业生产中的高耗能环节。
Drying is a high energy-consuming industry in refined salt industrial production.
因为岛上的制盐工业耗尽了岛上大部分的树木和芦苇,兰依索的居民开始用海藻铺屋顶。
Laeso residents turned to seaweed to thatch their roofs after most of the islands trees and reeds were harvested and burned by the salt industry.
流化床干燥器是制盐行业中最主要的干燥设备,在制盐生产中起着重要的作用。提高流化床干燥器的效率,是制盐工业的课题之一。
Drying is one of the key steps in the refined salt production process, so the improvement of the efficiency of the fluid bed dryer is very important to the salt industry.
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