阴离子反浮选保证了精矿品位合格。
The anionic reverse flotation ensures qualified concentrate grade.
目前，在生产中存在着精矿品位及回收率均比较低的问题。
At present, there are problems of both low concentrate grade and low recovery in the production.
该工艺在保证精矿品位的前提下可较大幅度地提高球磨机处理能力。
The technique can not only increase greatly the thronghput capacity of the plant's ball mills, but also maintain the original grade of concentrate.
另外流程结构及矿浆中重金属离子含量对萤石精矿品位也影响较大。
In addition, the flowsheet structure and the content of heavy metal ions in the slurry have effects on the grade of fluorite concentrates as well.
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.
浮选钨精矿经过酸浸除磷、碳酸盐后，获得混合钨精矿品位为70。
The floatation tungsten concentrate is treated by acid pickling to remove phosphonium and carbonate, and its final concentrate is 70.
庙沟铁矿目前最终铁精矿品位只有64.26%，精矿中含硅较高。
At present, the grade of Miaogou iron concentrate was only 64.26% with high content of silicon.
研究表明，磁铁精矿反浮选是提高庙沟铁矿铁精矿品位的有效途径之一。
Research results showed that re-concentration of magnetic concentrate was an efficient way to increase iron concentrate grade.
本结构还具有分选效果好，精矿品位高，结构简单，维修方便，使用寿命长等特点。
The invention has the characteristics of good sorting effect, high concentrated ore quality, simple structure, convenient maintenance, long service life, etc.
采用组合磨矿的闭路试验得到最终精矿品位为20.14%，回收率为78.98%。
The concentrate grade was 20.14% with the recovery of 78.98%.
实践表明，通过脱泥，不但能减少精矿中的含泥量，而且精矿品位有较大幅度的提高。
Practices showed that desliming can not only reduce slime content, but also increase concentrate grade greatly.
针对攀钢钒钛磁铁精矿品位提高的情况，在实验室进行了高品位攀精矿烧结试验研究。
Pointed to the case that the grade of Panzhihua concentrates was increased, the laboratory test with high grade concentrates was conducted.
该新工艺是选矿厂提铁降硅及实现提高铁精矿品位的有效手段，可进一步大力推广应用。
This new process is an effective means for the iron increase and silica decrease of concentrators and for realizing the improvement of iron concentrate grade, being worth further spreading.
因磁系的极替，矿粒发生磁搅伴使机械夹杂的脉石脱落下来，从而使精矿品位得到提高。
Because magnetic department for, the mineral grains occurs extremely mixed with magnetic mechanic inclusion gangue off, thus make concentrate grade was improved.
通过改变钼选矿过程中再磨位置的试验研究，确定出合适的再磨位置，以提高钼精矿品位。
Test for changing regrinding position during molybdenum processing process was conducted in order to determine suitable regrinding position and increase molybdenum concentrate grade.
强磁选机采用永磁磁系多级选别设计、工作稳定、精矿品位能使处理量大时同样得以保证。
Strong magnetic separation machine adopts permanent magnet department multistage choose don't design, stable work, concentrate grade can make a large quantity of also can be guaranteed.
根据工艺矿物学研究成果对提高铁精矿品位和回收率、降低铁精矿中的磷含量给出了建议。
Based on the process mineralogy research on improving iron concentrate grade and recovery, reduce the phosphorus content in iron ore concentrate is proposed.
从宏观角度出发，阐述了提高和优化铁精矿品位指标的必要性、技术途径及优化研究的思路。
From the macroscopic point of view, the necessity of improving and optimizing the iron concentrate grade index, the potential technical ways and the thought on optimization study are described.
选矿厂的铜钼选矿系统出现了透辉石类含铜钼矿石，使钼浮选钼精矿品位不稳定、回收率低。
With the grade of molybdenum concentrate unsteady, the recovery is low in processing production of the concentrator.
分析认为，气流能提高铁精矿品位归功于气流的搅拌作用和气泡破碎时形成的负压及强扰动。
The analysis ascribed the increase of iron concentrate grade by airflow to the air-flow agitation and the negative pressure or strong disturbance as gas bubbles broke down.
选别时间较长，回收率较高，而精矿排出端离给矿口较近，磁翻作用差，所以精矿品位较低。
Choose don't over a long period of time, high, but the concentrate recovery from the eduction is close to ore mouth, magnetic double function poor, so concentrate grade is relatively low.
磁辊通过调速电机拖动，转速的快慢通过调速表来进行调节，可控制磁选机的产量和精矿品位。
Magnetic roller through rotational speed motor that responds to adjust speed table by separators, can control the output and concentrate grade.
探讨了硫化钠的作用机理，硫化钠可提高铜矿物浮游速度，在预期回收率前提下提高铜精矿品位。
Proper sodium sulphide can increase the floating speed of Cu mineral in slag and Cu grade of concentrate on the premise that the desired recovery is gained.
通过对钼矿石和产品的分析，针对钼矿石的性质采取了相应的措施，探讨了提高钼精矿品位的途径。
By analysis of molybdenum ores and molybdenum concentrates, the measures were adopted in the light of molybdenum ores. The way for raising the grade of molybdenum concentrates was discussed.
生产调试和流程考查表明，东山选矿厂采用阶段磨选工艺可获得精矿品位和回收率双提高的较好指标。
The production testing and flowsheet investigation have shown that better recovery and grade of concentrate can be achieved with the application of the new technology in Dongshan Concentrator.
转速高，矿粒所受离心力大，单位时间内磁翻作用曾加，精矿品位与处理能力都高，而回收率则降低。
High speed, the magnetic particles by centrifugal force big, unit time magnetic double function was added, concentrate grade and processing capacity are high, but recovery rate is lower.
本文从宏观角度出发阐述了提高和优化铁精矿品位指标的必要性、可能的技术途径及优化研究的思路。
In this paper, the necessity of increasing and optimizing the grade of iron concentrate is set forward, and the possible technique way and research thinking are also introduced.
磨矿分级作业是选矿生产过程中至关重要的环节，磨矿粒度的好坏直接影响到浮选的精矿品位和回收率。
The particle size of grinding circuit is the important factor to the grade of concentrated ore and metal recovery rate.
试验证明，在相同的试验条件下，新型环形浮选柱无论是回收率还是精矿品位都比x FD浮选机有优势。
Test results show that in the same experimental conditions, the new ring-like type flotation column has superiority in recovery and concentrate grade compare to the XFD flotation machine.
试验结果表明：采用铅优先浮选工艺和合理的药剂条件，可以有效地实现铅锌分离，获得铅精矿品位63。
Experimental results showed that applying selective flotation process and optimum reagent condition can efficiently separate the lead-zinc minerals and obtain lead concentrate of 63.
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