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Introduction

Spiral Classifier also can be called spiral separator, screw classifier or screw separator. It is widely used in the concentrator and make up a closed-loop with ball mill.

We produce high weir type classifier, single and double spiral type classifier and immersed single and double spiral classifiers. Our spiral classifiers are widely used in the separation of ore in closed circuits with ball mills for the grading of ores and metal ore-dressing and other operations.

This product is featured with simple structure, reliable working condition and convenient operation. Because different grains have different specific gravity and sedimentation rates in liquid, this product allows the fine ore to float in the water, while coarse ore sinks to the bottom.

Features

1. Can be very convenient to control the content of sand powder and to meet users’ requirements.
2. Spiral classifier has advanced technology, simple process, particularly suitable for large and medium-sized sand making production line.
3. The content of powder with size of 0.00--0.75mm is between 2%-15% and can be adjusted.
4. The quality of powder is easy to control. The adjustment of fine is convenient, flexible, and reliable.

Parameter

Model	Spiral dia. (mm)	Spiral speed (r/min)	Output		Motor power
Model	Spiral dia. (mm)	Spiral speed (r/min)	Circulating load (t/24h)	Overflow quantity (t/24h)	Lift/lower (kw)	Drive (kw)
High-wear single spiral classifier
FG-5	Φ500	8.5-15.5	143-261	32		1.1
FG-7	Φ750	4.5-9.9	256-564	65		3
FG-10	Φ1000	3.5-7.6	473-1026	85		5.5
FG-12	Φ1200	5,6,7	1170-1600	155	2.2	5.5
FG-15	Φ1500	2.5,4,6	1140-2740	235	2.2	7.5
FG-20	Φ200	3.6,5.5	3890-5940	400	3	11,15
FG-24	Φ2400	3.64	6800	580	3	15
FG-30	Φ3000	3.2	11650	893	4	22
High-wear double spiral classifier
2FG-12	Φ1200	5,6,7	2340-3200	310	2.2x2	5.5x2
2FG-15	Φ1500	2.5,4,6	2280-5480	470	2.2x2	7.5x2
2FG-20	Φ2000	3.6,5.45	7780-11880	800	3x2	22,30
2FG-24	Φ2400	3.67	13600	1160	3x2	30
2FG-30	Φ3000	3.2	23300	1785	4x2	40
Submerged single spiral classifier
FC-12	Φ1200	2.5,4,6	1170-1630	120	2.2	7.5
FC-15	Φ1500	2.5,4,6	1140-2740	185	2.2	7.5
FC-20	Φ2000	3.6,5.5	3890-5940	320	3	11,15
FC-24	Φ2400	3.64	6800	455	4	18.5
FC-30	Φ3000	3.2	11650	705	4	22
Submerged double spiral classifier
2FC-12	Φ1200	3.8,6	1770-2800	240	2.2x2	7.5x2
2FC-15	Φ1500	2.5,4,6	2280-5480	370	2.2x2	7.5x2
2FC-20	Φ2000	3.6,5.5	7780-11880	640	3x2	22,30
2FC-24	Φ2400	3.67	13700	910	3x2	30
2FC-24	Φ2400	3.67	13700	910	4x2	37
2FC-30	Φ3000	3.2	23300	1410	4x2	45

Spiral Classifier

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