Spiral Sand Washer

Spiral Sand Washer

The classifier equipped with a ball mill as a closed cycle split ranging system is widely used by the dressing plant to distribute the mineral sand, or it is used by the gravity mill to grade ore and fine clay

Introduction

The classifier or spiral washer equipped with a ball mill as a closed cycle split ranging system is widely used by the dressing plant to distribute the mineral sand, or it is used by the gravity mill to grade ore and fine clay, to realize the size grading of ore pulp during the metal beneficiation process and to do desliming and dehydration during the ore washing process. The classifier has simple structure, reliable work, convenient operation, etc.

The classifier or screw washing machine has simple structure, reliable work, convenient operation, etc. Its working principle is as follows: as the different sizes and proportions of the solid particles lead to the different settling velocities in the liquid, the fine mineral particles floating in the water overflow and the coarse ones sink to the bottom.

The screw classifiers realize the mechanical classification by discharging from the screw into the upper part and grade and filter the material powder coming from the grinding mill, then send the blocks into the mill’s feeding hole by moving with the screw panel, and discharge the fine filtered materials out of the overflow pipe.

The base of the classifier is made of channel steel and its body is welded with steel plates. The flood peak and the spindle head of the screw shaft adopt a wear-resistant and durable pig iron cover, and the lifting devices can be electric and manual.

Parameter

Model Spiral diameter 
(mm)
Spiral 
rotation speed 
(r/min)
Trough length 
(mm ≤)
Motor power(kw≤) Dimensions
(L×W×H)(mm≤)
Machine 
weight
(t)
For driving For lifting Length Width Height
FG-3 300 12-30 3000 1.1 3850 490 1140 0.7
FG-5 500 8-12.5 4500 1.1 5430 680 1480 1.9
FG-7 750 6-10 5500 3 6720 980 1820 3.1
FG-10 1000 5-8 6500 5.5 7590 1240 2380 4.9
FC-10 8400 7.5 9600 1240 2680 6.2
FG-12 1200 4-6 6500 7.5 2.2 8180 1570 3110 8.5
FC-12 8400 7.5 2.2 10370 1540 3920 11.0
2FG-12 6500 15 4.4 8230 2790 3110 15.8
2FC-12 8400 15 4.4 10370 2790 3920 17.6
FG-15 1500 4-6 8300 7.5 2.2 10410 1880 4080 12.5
FC-15 10500 7.5 2.2 12670 1820 4890 16.8
2FG-15 8300 15 4.4 10410 3390 4080 22.1
2FC-15 10500 15 4.4 12670 3370 4890 30.7
FG-20 2000 3.6-5.5 8400 11-15 3 10790 2530 4490 20.5
FC-20 12900 11-15 3 15610 2530 5340 28.5
2FG-20 8400 22-30 6 11000 4600 4490 35.5
2FC-20 12900 22-30 6 15760 4600 5640 48.7
FG-24 2400 3.67 9130 15 3 11650 2910 4970 26.8
FC-24 14130 18.5 4 16580 2930 7190 41.0
2FG-24 9130 30 6 12710 5430 5690 45.8
2FC-24 14130 37 8 17710 5430 8000 67.9
2FG-30 3000 3.2 12500 40 8 16020 6640 6350 73.0
2FC-30 14300 17091 8680 84.8
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