适用范围：
Application
螺旋分级机是一种传统的分级设备。用于分级不同品位的矿石和黏土，或在重力选矿厂分级矿砂和细泥，及金属选矿流程中对矿浆进行粒度分级及选矿作业中的脱泥、脱水等作业。
Screw classifier is a kind of traditional classifying equipment. In the function of gravity and the principle that different grains have different sedimentation rates in the liquid, it is used to classify the material. It can be widely arranged in the ore dressing plant.
技术特点：
Feature
1. 分级机主要有高堰式单螺旋和双螺旋、沉没式单螺旋和双螺旋四种分级机。
There are four different types of the classifiers: high-weir single spiral, high-weir twin spiral, sunken single spiral and sunken twin spiral.
2. 避免频繁检修，减小大小齿轮的磨损。
Frequent maintenance of the scoop is avoided and wearing of the big and small gears is reduced.
3. 提高作业效率、节省电力，降低能耗。
Improve work efficiency, save electricity and reduce energy consumption.
