Fixed Spiral Classifier for Classifying Mineral Sand

   Fixed Spiral Classifier for Classifying Mineral Sand   

Brief Introduction

Spiral classifier, one of the beneficiation equipment, which classifies the ore materials mechanically. The theory is “the precipitation speed is different for the different specific gravity.” It can filter the material powder from the grinding machine, then put coarse material to the feeder of grinding machine by the spiral slice of flight and discharge the filtered fine material from the overflow pipe.

 

Application Ranges

Spiral classifier is widely used to range and distribute the mineral sands during the closed-circuit circulation formed with roll mill in ore-dressing plant, or classifying the mineral sand and fine silt in gravity mill, moreover, grading the ore pulp according to the particle size during the ore-dressing process, and disliming and dehydrating in the ore-washing work.

 

Classification

There are two kinds of spiral classifier: single spiral classifier and double spiral classifier. And it can be made the following two types according to the depth of helical blade entering the spill wag chute: 1. High weir spiral classifier: the top of spiral blade at the overflow end is higher than the overflow and the center of spiral is lower than the overflow. It is used to classify the stone whose overflow granularity range is 0.83-0.15mm. 2. Sunk spiral classifier: the spiral blade immerses the overflow totally, which is suitable for the 0.15-0.07mm stone.

 

Structure

The spiral classifier is made up of transmission device, spiral, cell body, elevator mechanism, lower bearing (bearing bush) and row ore valve.

 

Performance Features

Simple structure, reliable working conditions, and convenient operation.

   

Working Principle and Structure

Because different grains have different specifcgravity and sedimentation rates in liquid, this product allows the fine ore to flow in the water, while coarse ore sinks to the bottom. This classifier can filter materials and send coarse materials to the feeding mouth and discharge fine materials from the pipe. The seat of the machie features channel steel material, while the body is armor plated and the spiral axle is made of cast iron for durability. The machine’s lifting equipment can be used manually or electronically.

 

Technical Parameter

Notice: Any change of technical parameter will not be noticed additionally.

 

Details

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