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Spiral classifier Detailed information

Spiral Classifier
Spiral Classifiers are widely used in the distribution of ore in closed circuits with ball mill in mining processing, in order to get a certain degree fineness of ore particles, meanwhile increasing the efficiency of grinding. This machine can also be used to wash sand、classify ore sand and play other functions.

Spiral classifier workingprinciple:

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 a channel steel and the body adopts welded steel plate. The water inlet of spiral axle and axle head adopt pig iron cover for wear proofing and long life operation. The lifting equipment has two types, manual control and electric control.

Main features of spiral classifier

1. Adjustable weirs
2. Sealed, submerged bearing
3. Optional automatic lubrication system
4. Rigid tank and substructure
5. Wide choice of tank design
6. Overflow collection box
7. Wide range of industries serviced

Spiral classifierTechnical Parameter:

Model

 Specification Spiral Diameter(mm) Water trough
length(mm)

 Spiral speed(r/min） Capacity

 Motor Power(kw)

 Weight（t）
Return sand Overflow

 Drive Upgrade
 

High
Weir Spiral Classifier

 

submerged spiral classifier		 FG7.5 750 5500 6~10 340~570 65 3.0 manually operation

 2.7
FG10 1000 6500 5.0~8.0 675~1080 110 5.5 manuallyoperation 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 3.0 11625 890 22 4.0 37.7
2FG12 1200 6500 5.0~8.0 2340~3740 310 5.5*2 1.5*2 14.0
2FG15 1500 8400 4~6.0 3660~5480 470 7.5*2 1.5*2 21.1
2FG20 2000 8400 3.0~5.5 7780~11880 800 11*2 2.8*2 36.5
2FG24 2400 9210 3.6 13600 1160 15*2 3*2 46.8
2FG30 3000 12500 2.0~3.2 14600~23400 1785 22*2 4*2 73.0
FC12 1200 8400 5~8 1170~1870 120 7.5 2.2 10.4
FC15 1500 10500 4.0~6.0 1830~2740 185 7.5 2.2 16.8
FC20 2000 12900 2.0~5.5 3895~5940 320 15 2.8 29.1
FC24 2400 14200 2.5~4.0 4650~7450 455 18.5 4 41.0
FC30 3000 14300 3.2 11625 705 30 4 56.8
2FC15 1500 10500 4.0~60 2280~5480 370 7.5*2 1.5*2 30.7
2FC20 2000 12900 3.0~5.5 6480~11800 640 11*2 3*2 50.0
2FC24 2400 14200 3.67 9300~14900 910 18.5*2 4*2 67.9
2FC30 3000 14300 3.2 23300 1400 30*2 4*2 85.3

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