“分支串流浮选”是将原矿浆均分为两支,分别进入粗选Ⅰ和粗选Ⅱ,然后浮选。槽内产物的流向与常规浮选相同,故可在同一排浮选机中进行,具有简单易行的优点。采用本工艺时浮选剂的用量为常规浮选的70～80％。具体的添加方法是:调浆时只加常规浮选用药量的60～70％,然后再给第一支补加20％左右。这样添加可以达到与常规 “Branch flow flotation” is the original pulp are divided into two, respectively, into roughing Ⅰ and roughing Ⅱ, and then flotation. The flow of product in the tank is the same as the conventional flotation, so it can be carried out in the same row of flotation machines, which has the advantages of simple and easy operation. When using this process, the amount of flotation agent is 70 ~ 80% of the conventional flotation. The specific method is to add: slurrying only when the conventional flotation dosage of 60 to 70%, and then give the first supplement of about 20%. This addition can be achieved with the routine