Spiral Classifier

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Spiral Classifier

The spiral classifier mainly includes four main types, including high weir single spiral classifier, high weir double spiral classifier, submerged single spiral classifier and submerged double spiral classifier. It has found a wide variety of applications. For example, the spiral classifier can be used together with ball mills to form closed circuits for the distribution of ores. In addition, it is used for grading ores and fine mud in gravity separation plants. Also, the spiral classifier can be used for de-sliming and dehydrating operations in ore washing process.

Features
1. Our spiral classifier features simple structure, high reliability and convenient operation.
2. The seat of the machine adopts channel steel and body adopts armor plate. The spiral axle adopts wrought iron, making it durable equipment.
3. The lifting equipment has two types of operation, by electricity and by hand.

Working Principle of Spiral Classifier
According to the principle that different grains have different specific gravity and sedimentation rate in the liquid, the fine ore flows in the water and the coarse ore sinks to the bottom. The spiral classifier can filter the materials and send coarse materials to the feeding mouth of the mill via spiral vanes and discharge the fine material from the overflow pipe.

Main Technical Parameters of Spiral Classifier

Model Spiral Diameter(mm) Trough Length(mm) Spiral Rotation Speed(r/min) Capacity(t/d) Power (kw) Weight (t)
Return Sand Overflow Driving Lifting
FG7.5 750 5500 6-10 340-570 65 3.0 Manual 2.7
FG10 1000 6500 5.0-8.0 675-1080 110 5.5
4.43
FG12 1200 6500 5.0-8.0 1170-1870 155 5.5 1.5 8.7
FG15 1500 8400 4.0-6.0 1830-2740 235 7.5 2.2 12.5
FG20 2000 8400 4.0-6.0 3240-5400 400 11 2.8 20.5
FG24 2400 9210 3.6 4650-7450 580 15 3.0 25.6
FG30 3000 1250 3.2 11625 890 22 4.0 37.7
2FG12 1200 6500 5.0-8.0 2340-3740 310 5.5x2 1.5x2 14.0
2FG15 1500 8400 4-6.0 3660-5480 470 7.5x2 1.5x2 21.1
2FG20 2000 8400 3.0-5.5 7780-11880 800 11x2 2.8x2 36.5
2FG24 2400 9210 3.6 13600 1160 15x2 3x2 46.8
2FG30 3000 12500 2.0-3.2 14600-23400 1785 22x2 4x2 73.0

The main machinery is in nude packing and spares parts are packed in wooden or steel box. The standard export packing is suitable for long distance delivery.

As one of the largest Chinese professional spiral classifier manufacturers and suppliers, Zhengzhou We provides high quality and large capacity of products to our customers at lower price.

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