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HomeOre dressing machineSpiral Classifier

Spiral Classifier


This product is featured with simple structure, reliable working condition and convenient operation.
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Features:
    • Easy to operate with the technology of frequency conversion control; 
    • Low maintenance rate due to the adoption of advanced technology; 
    • It is easy to control the quality of limestone.

Features

Introduction to Spiral Classifier

Spiral Classifier also can be called spiral separator,screw classifier or screw separator,is widely used in the concentrator and make up a closed-loop with ball mill.

We produce high weir type classifier, single and double spiral type classifier and immersed single and double spiral classifiers. Our spiral classifiers are widely used in the separation of ore in closed circuits with ball mills for the grading of ores and metal ore-dressing and other operations. 

Spiral Classifier

This product is featured with simple structure, reliable working condition and convenient operation. Because different grains have different specific gravity and sedimentation rates in liquid, this product allows the fine ore to float in the water, while coarse ore sinks to the bottom.

Characteristics of Spiral Separator

1. Can be very convenient to control the content of sand powder and to meet users’ requirements.
2. Spiral classifier has advanced technology, simple process, particularly suitable for large and medium-sized sand making production line.
3. The content of powder with size of 0.00--0.75mm is between 2%-15% and can be adjusted.
4. The quality of powder is easy to control. The adjustment of fine is convenient, flexible, and reliable.

Spiral Classifier

Working Principle of Screw Classifier

The principle used in spiral classifier is that different sizes of crushers have different weights, so their sedimentation rates are also different. In the working process, fine ore grains float on the surface of water, and rough grains sink on the bottom of the cell. Screw grader can classify materials from mill, and then bring the rough grains to the entrance mouth of mill with the help of flights, and discharge the fine ore grins though pipe. The pedestal spiral classifier is made of box iron. The body is made of welding steel plates. The faucet and spindle nose of screw shaft are made of pig iron set which is wear-resisting durable. The take-up sets include two types power-driven and manual operation.

Parameter

Technical Parameters of Screw Separator

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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