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Spiral Classifier

Length: ≤3,000-14,300mm

Diameter: 300-3,000mm

Application range: ore separating, mine field, resource recycling, etc

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Products Features:

Spiral classifier, as one of the important machines for ore separating, consists of transmission, spiral, groove, elevator, bearing bush and ore discharging valve.

1: working with ball mill to classify ore sand

2: classifying ore sand and fine silt in gravity mills

General introduction to spiral classifier

Spiral classifier, as one of the important machines for ore separating, consists of transmission, spiral, groove, elevator, bearing bush and ore discharging valve. According to the principle that solid particles have different weights and speeds to precipitate in liquid, spiral classifier is produced and used for mechanical classifying.

Working site of Fote spiral classifier

Spiral classifier, also called classifier or screw classifier, has four kinds: high-weir single-spiral classifier, high-weir double-spiral classifier, submerged single-spiral classifier and submerged double-spiral classifier.

spiral separator

Detailed part of Fote spiral classifier

Detailed application of spiral classifier

1: Shunting ore sands with ball mill in ore separating plant

2: Separating the out-of-standard stone powder from dry artificial sand

3. Grading the ore sand and fine mud in gravity mill

4. Classifying the pulp during ore separating process

5. Removing mud and water in ore washing process

In total, spiral classifier enjoys the features of simple structure, reliable performance and convenient operation.

spiral separator

Fote spiral classifiers for shipping

Spiral sand washer

As a kind of sand washer, screw washing machine can clean and screen sand materials. Spirals inside can agitate the sand materials and make mud mix with water. The mix flows out from upper part. While, the sand materials are gradually screened by spiral device and discharged out from mouth.

Spiral sand washer is suitable for washing, classifying and dedusting materials in industries of metallurgy, building material and hydropower, especially for building sand and road gravels. The spiral sand washer enjoys features of good sealing performance, enclosed transmission, adjustable weir plate, high working efficiency, good dehydrating and long service life, etc.

Technical Data:

Model Spiral 
Diameter
(mm)
Trough 
Length
(mm)
Spiral 
rotate 
speed
(r/min)
Processing 
capacity(t/d)
Motor 
Power
(kw)
Dimensions
(mm≤)
Total 
weight
(t)
Sand
-return
Overflow For 
driving
For 
lifting 
Length Width Height
FG-3 300 3000 12-30 80-150 20 1.1 ---- 3850 490 1140 0.7
FG-5 500 4500 8-12.5 135-210 32 1.1 ---- 5430 680 1480 1.9
FG-7 750 5500 6-10 340-570 65 3 ---- 6720 980 1820 3.1
FG-10 1000 6500 5-8 675-1080 110 5.5 ---- 7590 1240 2380 4.9
FC-10 8400 675-1080 85 7.5 ---- 9600 1240 2680 6.2
FG-12 1200 6500 4-6 1170-1870 155 7.5 2.2 8180 1570 3110 8.5
FC-12 8400 1170-1870 120 7.5 2.2 10370 1540 3920 11.0
2FG-12 6500 2340-3740 310 15 4.4 8230 2790 3110 15.8
2FC-12 8400 2340-3740 240 15 4.4 10370 2790 3920 17.6
FG-15 1500 8300 4-6 1830-2740 235 7.5 2.2 10410 1880 4080 12.5
FC-15 10500 1830-2740 185 7.5 2.2 12670 1820 4890 16.8
2FG-15 8300 2280-5480 470 15 4.4 10410 3390 4080 22.1
2FC-15 10500 2280-5480 370 15 4.4 12670 3370 4890 30.7
FG-20 2000 8400 3.6-5.5 3290-5940 400 11-15 3 10790 2530 4490 20.5
FC-20 12900 3210-5940 320 11-15 3 15610 2530 5340 28.5
2FG-20 8400 7780-11880 800 22-30 6 11000 4600 4490 35.5
2FC-20 12900 7780-11880 640 22-30 6 15760 4600 5640 48.7
FG-24 2400 9130 3.67 6800 580 15 3 11650 2910 4970 26.8
FC-24 14130 6800 490 18.5 4 16580 2930 7190 41.0
2FG-24 9130 13600 1160 30 6 12710 5430 5690 45.8
2FC-24 14130 13700 910 37 8 17710 5430 8000 67.9
2FG-30 3000 12500 3.2 23300 1785 40 8 16020 6640 6350 73.0
2FC-30 14300 23300 1410 ---- ---- 17091 ---- 8680 84.8

Technical Data:

Model Spiral 
Diameter
(mm)
Spiral 
rotate 
speed
(r/min)
FG-3 300 12-30
FG-5 500 8-12.5
FG-7 750 6-10
FG-10 1000 5-8
FC-10
FG-12 1200 4-6
FC-12
2FG-12
2FC-12
FG-15 1500 4-6
FC-15
2FG-15
2FC-15
FG-20 2000 3.6-5.5
FC-20
2FG-20
2FC-20
FG-24 2400 3.67
FC-24
2FG-24
2FC-24
2FG-30 3000 3.2
2FC-30

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