研制了一种新型多段圆锥螺旋分级机。
A new type of multi stage cone spiral classifier was developed.
介绍螺旋分级机下部轴承的改造实践。
This paper introduces the lower bear's improvement of screw grader.
从而建立了工业型螺旋分级机的数学模型。
The mathematical models for industrial spiral classifier are finally established.
具有高效，节能并将逐步替代螺旋分级机作业。
It is highly efficient and energy saving, to gradually replace spiral classifier.
这种新型铸铁主要应用在螺旋分级机上，用来制造螺旋分级机的衬铁。
This kind of new cast iron main application on the screw grader, uses for to make the lining iron of screw grader.
在普通高铬铸铁的基础上，研制了一种用于制造螺旋分级机小叶片的高合金耐磨铸铁材料。
Based on the ordinary high chromium cast iron foundation, designed one kind of high alloy abrasion-resisting cast iron material which is used to make the lining iron of the screw grader.
将螺旋分级机的溢流排矿方式由传统的前端排放改为两侧排放，形成了双侧排料螺旋分级机。
The overflow discharge of spiral classifier is changed to be bilateral discharging from the traditional front-end approach, forming a spiral classifier with bilateral discharging.
螺旋分级机借助固体颗粒的比重不同而在液体中沉淀的速度不同的原理，对矿石混合物进行分级。
Hierachial machine with different proportion of solid particles in the liquid precipitation speed different principle of minerals mixtures were classified.
为了研究混合矿物的分级行为，用磁铁矿和石英的混合矿样在螺旋分级机中进行了一系列分级试验。
A series of experiments have been carried out with the mixture of magnetite and quartz in a spiral classifier to study the behaviour of mixture of minerals.
螺旋分级机借助固体颗粒的比重不同而在液体中沉淀的速度不同的原理，对矿石混合物进行洗净、分级。
Spiral classifier with different proportion of solid particles in the liquid precipitation rate of different principle, to wash the mixture of ore, grading.
新型螺旋分级机溢流产品经磁选后，在铁精矿品位相近的情况下，铁回收率比传统工艺提高218个百分点。
After magnetic separation of the classifier's overflow, the iron recovery is 2 18% higher than that obtained by conventional process, while the iron concentrate grade remains nearly constant.
该螺旋分级机分有：高堰式单螺旋分级机、高堰式双螺旋分级机、沉没式单螺旋分级机、沉没式双螺旋分级机。
The spiral classifier divided: high weir single spiral classifier, high-Weir type dual spiral classifier, spiral classifier single sink, sinking double spiral classifier.
由于传统螺旋分级机的分级效率较低，分级产品的粒度难以控制，从而直接影响球磨机的处理量和最终的选别指标。
Since conventional screw classifiers have a lower efficiency, it is difficult for them to control their product sizes, affecting directly ball mill's throughput capacity and final separation results.
与传统圆柱形螺旋分级机的对比试验结果表明，新型螺旋分级机的分级效率大幅度提高，分级量效率达到81%，质效率达到67%。
Compared with a conventional cylindrical spiral classifier, the spiral classifier can increase greatly the classification efficiency to 81% by quantity and 67% by quality.
与传统圆柱形螺旋分级机的对比试验结果表明，新型螺旋分级机的分级效率大幅度提高，分级量效率达到81%，质效率达到67%。
Compared with a conventional cylindrical spiral classifier, the spiral classifier can increase greatly the classification efficiency to 81% by quantity and 67% by quality.
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