通过单击加粗按钮来加粗选中的字体。
对某铋锌铁多金属矿的铋粗选工艺进行了系统的参数优化试验研究。
The test research to optimize processing parameters had been carried out systemically for Bi roughing of certain multi-metal ore containing Bi, Zn and Fe.
结果表明，经一次粗选、二次精选选别，可获稀土精矿品位52％。
The results show that a rare-earth concentrate with a grade of 52% can be obtained by one roughing and two cleanings.
粗选设备设计选用了浮选柱代替常规浮选机，大幅度降低了生产成本。
Routine flotation-cell is replaced by Column flotation in coarse-flotation circuit, and cost of product is reduced in great extent.
广泛适应于各种纸浆的粗选、精选及纸机前浆料的筛选，属于外流筛。
Widely used in all kinds of rough picking of pulp, choiceness and paper machine screen, belongs to drain screen.
在实际矿中，椰子油羟肟酸也具有良好的浮选性能，粗选回收率可达93.32%。
In ilmenite actual rock, coconut oil hydroxamic acid had better flotation performance too, gravity recovery can reach 93.32%.
根据不同浆料和不同的工艺位置选择不同的转子及相应的筛鼓，可分别用于粗选或精选。
Choose different rotor and relevant screen basket according to stock type and process position. It can be used for fine screening or coarse screening.
该设备使用面广，既可用于高浓度纸浆粗选净化，也可用于纸机前对低浓度纸浆进行精选净化。
The device using a wide, both for the high consistency pulp roughing cleaned before the machine can also be used for selection of a low concentration pulp purification.
介绍了水力旋流器在德兴铜矿泗洲选矿厂粗选段磨矿分级、精选段尾矿选硫等方面的应用现状。
The paper present the application of water cyclone in milling grading and sulfur dressing of tailings.
该设备使用面广，既可用于高浓度纸浆的粗选净化。也可用于纸机前，对低浓度纸浆进行精选净化。
The device using a wide, both for the high consistency pulp roughing purification. Before the machine can also be used for low consistency pulp cull purification.
分析了新疆某钼矿的矿石性质，进行了粗选条件试验，对比研究了一段磨矿、一段再磨和二段再磨工艺。
The ore property of a Molybdenum Mine in Xinjiang was analyzed, and then the condition tests for rough separation were carried out.
分析了新疆某钼矿的矿石性质，进行了粗选条件试验，对比研究了一段磨矿、一段再磨和二段再磨工艺。
The ore property of a Molybdenum Mine in Xinjiang was analyzed, and then the condition tests for rough separation were carried out.
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