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Submerged Spiral Classifier

Submerged Spiral Classifier is a special equipment for fine particle classification, categorized as classification equipment. Optimized spiral blade immersion depth and tank flow state, blades are completely submerged in slurry, with higher classification accuracy, suitable for fine grinding slurry classification, often matched with overflow ball mill.

Diameter:1000-3000 mm

Power:53.5-45 kW

Capacity:50-1410 t/d

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Product Details

Submerged Spiral Classifier is a special equipment for fine particle classification, categorized as classification equipment. Optimized spiral blade immersion depth and tank flow state, blades are completely submerged in slurry, with higher classification accuracy, suitable for fine grinding slurry classification, often matched with overflow ball mill.

The main body consists of deep U-shaped tank + fully submerged spiral. The tank is welded with corrosion-resistant steel plate, inner wall paved with wear-resistant and corrosion-resistant liner; spiral blades are forged with wear-resistant alloy, driven by variable frequency reducer motor. The tank bottom has a conical sand discharge port, and the overflow end is equipped with a flow stabilizer. Specifications Φ500-Φ2000, processing capacity 8-250m³/h, suitable for fine classification needs.

Slurry enters deep U-shaped tank, fine particles are uniformly suspended under the action of flow stabilizer; spiral blades rotate at low speed to avoid disturbing fine particles, and push settled sand at the tank bottom to sand discharge port (return to ball mill); suspended fine particles overflow the tank with slurry to complete fine classification.

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Product Advantage

  • High fine classification accuracy: Fully submerged blade design, fine particle classification efficiency ≥90%;

  • Corrosion and wear resistance: Tank liner is corrosion-resistant, blade service life 15-20 months;

  • Stable operation: Variable frequency speed regulation, speed can be accurately adjusted, no slurry disturbance;

  • Smooth sand discharge: Conical sand discharge port + spiral pushing, no settled sand accumulation;

  • Good matching: Perfectly matched with overflow ball mill to form efficient grinding-classification system.


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Product Parameters

TypeModel

Rotating Speed of Spiral

(r/min)

Capacity of Sand Return

(t/d)

Capacity of Overflow
(t/d)
Spiral Diameter
(mm)
Spiral Length
 (mm)
Slope of Water TankDrive Motor ModelPower
 (kW)
Lifting Motor ModelPower
 (kW)
Weight
 (kg)

Submerged Single 

Spiral Classifier

FLC-10002.5-7.4160-70050-260Φ1000839714 -18Y132M2-65.5Manual
 driven
5225
FLC-12005-71150-1640120Φ12008400Y160M-67.5Y90L-41.59583
FLC-15002.5-61140-2740185Φ150010500Y100L1-42.214226
FLC-20003.6-5.53240-5940320Φ200013000Y160L-415Y100L2-4327753
FLC-24003.66800455Φ240014130Y200L1-618.5Y112M-4432467
FLC-30003.211650705Φ300014300Y200L-430Y112M-4443500
Submerged Double 
Spirals Classifier
2FLC-12003.8-61770-2800240Φ12008040Y160M-67.5X2Y100L1-42.2X219610
2FLC-15002.5-62280-5480370Φ15001050027450
2FLC-2000

3.6,5.5

7780-11880640Φ200012900Y200L2-6,
 Y200L-4

22,30

Y100L2-43.0X250621
2FLC-24003.6713700910Φ240014130Y25S-437Y112M-44.0X265283
2FLC-30003.2233001410Φ300014300Y225M-445Y112M-44.0X284900

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Product Application

  • Non-ferrous metal beneficiation: Classify copper and lead-zinc ore after fine grinding to provide qualified fine slurry for flotation;

  • Precious metal beneficiation: Fine classification of gold ore and silver ore to improve subsequent cyanide leaching efficiency;

  • Non-metallic ore refining: Fine classification of kaolin and quartz sand to control product fineness;

  • Chemical raw material processing: Fine classification of barite and fluorite to meet filler fineness requirements.

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