非金属萤石与重晶石分离工艺及设备

萤石的比重在3.0~3.3之间,重晶石的比重在4.2~4.6之间,由此可以看出重晶石与萤石存在一定的比重差,根据重力选矿的原理,可以对具有一定比重差的矿物进行重力分选,获得轻重不同的两种产物,即萤石与重晶石。

根据客户寄来的矿石性质,原矿需进行破碎,以打破重晶石与萤石的连生体,以保证分选过程的顺利进行。该矿石属中,细粒嵌布,矿石需破碎至3mm以下才能保证萤石与重晶石基本单体解离,而重晶石,萤石均属性脆易碎类矿物,因此在破碎过程中我们推荐使用锤式破碎机,简单的一级破碎即可达到该工艺对物料的破碎要求。破碎后的物料进入料仓,后经电磁振动给料机均匀给入LTA1010/2跳汰机,进入跳汰机分选流程。该流程中得到轻,重两种产物,轻产物从跳汰机的上部排出,为萤石;重矿物从跳汰机的下部精矿管排出,为重晶石。

萤石重晶石分离工艺流程

设备配置清单:

名称

型号

功率(kW)

重量(T)

数量(台)

锤式破碎机

PC600*400

18.5

1.5

1

电磁振动给料机

GZ3

0.55

0.6

2

跳汰机

LTA1010/2

3

2

2

输送机

800*10000mm

4

1.2

1

料仓

20m3

—

3.2

1

æ°´æ³µ

YTL150-250A

15

0.3

2

 

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