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Brief Introduction of spiral ore washer :

Spiral classifier, also called screw classifier, is widely used for distributing ore in the close circuit with ball mill, grading ore and fine slit in the gravity mill, grading granularity in the flow of metal ore-dressing and de-sliming and dehydrating in the washing.According to the principle that different grains are with different specific gravity and sedimentation rate in the liquid, the fine ore flows in the water and the coarse ore sinks in the bottom. The classifier that has machine grading by discharging from the top can filtrate the materials and send coarse materials to the feeding mouth and discharge the fine material from the pipe.

Application of spiral ore washer :

When spiral classifier processing minerals, it is applicable for:

1.Separation of fine granularity and liquids from coarse particles

2.Separation of light particles from heavy ones

3.Grading the final products according to the particle size

4.Separation of liquids from solid particles

Working Principle of spiral ore washer :

When spiral classifier processing minerals, it works based on the theory that different solid particles have different gravity and thus have different dropping speed. Fine particles floating in the water will overflow and the big ones will sink to the bottom and discharge from the upper part by spiral pushing. The base of the machine adopts a channel steel and the body adopts welded steel plate. The water inlet and head of spiral axle adopt the steel cover for wear proofing and long-term operation.

Technical Parameter of spiral ore washer :

Model	Spiral diameter (mm)	Spiral rotation speed (r/min)	Trough length (mm)	Motor power(kw)		Capacity(t/d)		Weight (t)
				For driving	For lifting	Return sand	Overflow
FG-7.5	750	6-10	5500	3.0	Manual	340-570	65	2.7
FG-10	1000	5-8	6500	5.5	Manual	675-1080	110	4.43
FG-12	1200	5-8	6500	5.5	1.5	1170-1870	155	8.7
FG-15	1500	4-6	8400	7.5	2.2	1830-2740	235	12.5
FG-20	2000	4-6	8400	11	2.8	3240-5400	400	20.5
FG-24	2400	3.6	9210	15	3.0	4650-7450	580	25.6
FG-30	3000	3.2	1250	22	4.0	11625	890	37.7
2FG-12	1200	5-8	6500	5.5x2	1.5x2	2340-3740	310	14.0
2FG-15	1500	4-6	8400	7.5x2	1.5x2	3660-5480	470	21.1
2FG-20	2000	3-5.5	8400	11x2	2.8x2	7780-11880	800	36.5
2FG-24	2400	3.6	9210	15x2	3x2	13600	1160	46.8
2FG-30	3000	2-3.2	12500	22x2	4x2	14600-23400	1785	73.0