Mineral Separator Double Spiral Classifier for Gold Ore Beneficiation Plant
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High Weir Double Spiral Classifier / Screw Classifier:
The High Weir Spiral Classifier is widely used in metal ore processing when grading the ore slurry by size. It can also be used to remove mud and dehydrate the ore. It often works together with the ball mill in a closed circuit.
Double Spiral Classifier Working Principle
The ground pulp is fed into the tank from the inlet located in the middle of the settlement area. The slurry classification sedimentation area is under the inclined tank. The spiral rotates at low speed, stirring the slurry so that fine particles rise while coarse particles sink to the bottom of the tank. The overflow weir is above the bearing center, which is under the screw shaft, and is underneath the overflow end.
Features and Advantages of Concentrating Spiral Classifier / Screw Classifier
1). Simple structure, reliable operation, and easy to use.
2). It mechanically classifies based on the different sedimentation speeds of solid particles in liquid due to their size and specific gravity.
3). It can classify the ground material powder from the grinder, spiral the coarse grains back into the grinder's inlet through the spiral chip, and discharge the classified fine grains from the overflow surface.
4). Its base is made from channel steel, and its body is welded from steel plates.
5). The lower support of the spiral bearing has an engine-bearing structure with good wear resistance and durability.
6). The lifting device offers both electric and manual modes.
Main Technical Parameters of the Double Spiral Classifier :
Â
Model
Type
Spiral diameter (mm)
Flume length (mm)
Spiral speed (r/min)
Capacity (t/d)
Motor power (kW)
Weight (t)
Return sand
Overflow
Drive
Upgrade
High Weir Spiral Classifier
FG7.5
750
5500
6-10
340-570
65
3.0
By Hand
2.7
FG10
1000
6500
5.0-8.0
675-1080
110
5.5
By Hand
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
5.5×2
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
Submerged Spiral Classifier
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
Stainless Steel Raw Materials