mineral benefication/washing process/ black lead spiral classifier price

Introduction of Spiral Classifier

Our company independently manufactures this new generation series of the spiral classifier, which synthesizessimilar classification technology from Germany and Japan. At present it has reached the international advanced level of the same products. And it has advantages of simple structure , reliable and easy in operation. Now it is widely used in many areas, for example, it worked together with the ball mill, forming closed cycle to split and shunt the iron ore in the concentrating mill; classified the iron ore and fine silt in the gravity concentrator; graded the size of the pulp in metal processing and applied in de-sliming& dehydration operation during the process of ore washing.     

Application of Spiral Classifier

Spiral Classifier is widely used in mineral processing plant to match with the ball mill and form a closed-circuit circulation

to process mining sand, or used in gravity mine-selection plant for classifying sand and mine mud, and grading sand according to the particle size, disliming, dewatering in the mine washing process. FG series Spiral Classifier has simple structure, reliable operation, convenient operation,etc. The spiral classifier is a kind of classifying machine that adopts the principle of settling speed difference according to different material sizes and specific gravity. fine particles floating in the water overflow out; the coarse ore grain sinks to the bottom of the chase which will be pulled to the upper by the spiral and discharging out.

Working Principle of Spiral Classifier

Different solid granularities have different gravity and thus have different dropping speed.  The fine ore granularities floating

in the water will overflow and the big ones will sink to the bottom and discharge from the upper part by spiral pushing. It can

filter the granularities from the machine and then spin the rough particles to charging part by spiral vane and discharge the fine

granularities from the overflow pipe.
The base of the machine adopts channel steel material and the body adopts welded steel plate. The water inlet of spiral axle and axle head adopt iron cover for wear proofing and long life operation. The lifting equipment has two types, manual control and electric control.

Structure of Spiral Classifier

The spiral classifiers consists of cell body, speed reducer ,motor power ,central shaft, spiral scatters, support parts. Yufeng is

the real good producer of spiral classifiers,which has decades of  experience of how to producing the quality spiral classifiers

with stick steel plate . We can supply almost all the machine which connecting with beneficiation .

Features and Benefits of Spiral Classifier

1). Large output, low energy consumption, high classifying efficiency
  2). The granularity is concentrative distribution, high classification precision
  3). Rational structure, fine applicability
  4). A high degree of automation  

Basic Process of Yufeng ore beneficiation and upgrading plant

1. Crushing and Grinding stage

The extracted ore should be crushed by jaw crusher initially and then by fine crusher. When it gets the reasonable fineness, it is transported into ball mill by elevating conveyer and feeder, and is milled by ball mill.

2. Classifying stage

The subtle milled ore gets the next procedure: classification. There is a theory that if the weights of solid particles are different, the sedimentations will be different, and the mixed ore can be classified by screw classifier.

3. Mixing and Flotation stage

The classified ore gets into mixing tank for fully mixing. At this stage, chemical agent for foam can be added. After fully mixing, the slurry will enter into flotation machine.

When the flotation machine works, the motor drives the impeller to revolve, so the centrifugal effect and negative pressure are produced. On one hand, ample air is absorbed and mixed with mineral slurry, on the other hand, the mixed mineral slurry is mingled with additive, meanwhile, the foams are thinning, the mineral is bounded with foams, and floats up to the surface of mineral slurry and the mineralized foam is formed. The liquid surface can be adjusted with the height of adjustment flashboard, so that the useful foams are scraped with squeegee.

4. Concentrator thickening and drying

Then copper concentrate is separated from others. Since the separated ore are wet, they should be dewatered by thicker initially, and dried by dryer.

5. The service before and after the selling:

1).       Ore laboratory test

2).       Ore beneficiation test

3).       Flowchart designing and layout designing.

4).       Full set of machines

5).       Erecting and commissioning

6).       Training

7).       Technical consolation

8).       End products selling 

Technical Parameters of Spiral Classifier

Welcome to China and welcome to visit Yufeng, if you have any other questions, you may contact with us, we will spply you the highest service as soon as quickly. Marcie Liu, Mobile:86-18236781826 or skype:driermachine.

...