spiral classifier

The mathematical models for industrial spiral classifier are finally established .

从而建立了工业型螺旋分级机的数学模型。

New - model spiral classifier development

新型螺旋分级机的研制

A mathematical model for industrial spiral classifier

工业型螺旋分级机数学模型的研究

It is highly efficient and energy saving , to gradually replace spiral classifier .

具有高效，节能并将逐步替代螺旋分级机作业。

Test Research on Using Hydrocyclone to Replace Spiral Classifier in Midi Concentrator

密地选矿厂一段磨矿分级用水力旋流器取代螺旋分级机的试验研究

Mathematical model of spiral classifier

螺旋分级机的数学模型

Control classification of spiral classifier overflow with cyclone screens

采用旋流筛对螺旋分级溢流进行控制分级

Behaviour of mixture of minerals in a spiral classifier

混合矿物的分级行为

But spiral classifier occupies large area , its classification efficiency is very low . These defects restricted its application .

但是螺旋分级机占地面积大，分级效率低，也限制了其应用。

There are many classification equipments in concentrating mill . Spiral classifier is only one of classification equipments .

进行分级的设备有很多，螺旋分级机只是其众多设备中的一种。

Through the comparison of the operation principles and the characteristics of the hydrocyclone with the spiral classifier .

通过对比水力旋流器与螺旋分级机的工作原理和特点。

The practical results show : the grading efficiency of water cyclone in milling grading is better than the efficiency of spiral classifier ;

实践表明，精选段磨矿分级采用水力旋流器比螺旋分级机的分级效果较好；

Spiral classifier with different proportion of solid particles in the liquid precipitation rate of different principle , to wash the mixture of ore , grading .

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。

Study of Hydrocyclone Substituted for Spiral Classifier and Its Turbulent Field Numerical Simulation ; Design of the Archimedean Helix Inlet in a Hydrocyclone

水力旋流器取代螺旋分级机的研究及其湍流场仿真计算水力旋流器中阿基米德螺线入口的设计

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%。

According to the present product state of the Midi concentrating plant , the authors give a new technique of control classification of spiral classifier overflow with cyclone screens .

从密地选矿厂生产现状入手，提出了应用旋流筛对螺旋分级溢流进行控制分级的新工艺。

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 .

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。

While for a material hard to grind and with great hardness , the stability of its overflow fineness is slightly lower than that of the spiral classifier .

而对于硬度高、难磨物料，其溢流细度的稳定性略低于螺旋分级机。

Experimental data shows , prior to the improvement , spiral classifier efficiency is only 30 % ~ 50 % . After reconstruction , spiral classifier efficiency is 50 % ~ 70 % .

实验数据表明，改进前，螺旋分级机质效率只有30%-50%，改进后，螺旋分级机质效率达到50%～70%。

Spiral Classifier Machine mainly for metal beneficiation process for the pulp density and particle size on the wet grade , mining operations could also be used in the flow Desliming , dehydration .

螺旋分级机主要用于金属选矿流程中对矿浆进行按密度和粒度的湿式分级，也可用流矿作业中的脱泥、脱水。

The structure of Spiral classifier is compact , it is very convenient for operation , and it also can form close circuit with grinding mills . It is widely used in concentrating mill .

螺旋分级机结构紧凑、使用方便、能与磨矿机组成闭路自流，在选厂中仍被广泛使用。

In recent years , in a period of grinding-cl as si fi cation process assignments , it appeared that with cyclone replace spiral classifier form close circuit with grinding mills .

近年来，在一段磨矿分级作业中，也出现了用旋流器代替螺旋分级机与磨矿机闭路的趋势。

There are adding users , deleting and adding modules in the library in the functional testing , and an open-loop of a mill , spiral classifier and hydrocyclone concentration cascade control in the simulate experiment .

功能测试包括添加用户、模型库模型的删除和添加；仿真实验包括一段球磨机与螺旋分级机闭路磨矿的开环特性实验、旋流浓度和泵池加水的串级控制实验。

The qualitative and quantitative efficiencies of fine product were as high as 74.38 % and 87.66 % . Its classification efficiency was 2.2 times that of spiral classifier , 1.8 times that of hydrocyclone and 1.3 times that of vibrating fine screen .

而细粒级产物的质效率和量效率高达74.38%和87.66%，其分级效率是螺旋分级机的2.2倍，水力旋流器的1.8倍，是振动细筛的1.3倍。

The investigation practice of using hydrocyclone to replace the spiral classifier in the primary grinding operation in two large concentrators shows that the stable operation of hydrocyclones can still be ensured without adding the slag removal system for the ball mill discharged product before feeding to the hydrocyclones .

通过在2座大型选矿厂一段磨矿作业用水力旋流器取代螺旋分级机的研究与实践表明，球磨机排矿在给入水力旋流器之前不增设除渣系统仍可以保证水力旋流器的稳定运转。

Spiral classification-screening machine has been developed by introducing wet screening into the conventional spiral classifier .

通过在传统的螺旋分级机上引入湿式筛分，研制成螺旋分级筛分机。