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How to choose the gravity separation equipment? A list tell you!
Gravity separation equipment is the one which concentrates the ores according to the density difference between valuable minerals and gangue minerals. Besides the density difference between the valuable minerals and gangue minerals, the ore grain size,shape and dielectric properties have an impact on cleaning effect . At the same time, the different gravity separation equipment can receive product quality are also different. Therefore, we should choose the corresponding equipment according to the material properties and the quality of product requirement.
The following table list all kinds of gravity separation equipment application characteristics and separation size range, for type selection reference.
Device type
Sorting granularity(mm)
Application characteristics
general
maximum
minimum
Coarse grain gravity separation equipment
Heavy media separation equipment
Vibratory chute
Drum separator
Cone separator
Eddy current separator
Dense medium cyclone
75~6
100~6
50~6
35~2
20~2
100
300
75
75
35
3
5
1.5
0.5
0.5
Coarse separation particle size, large capacity, high separation precision, suitable for primary lean high slip rate of ore, medium preparation and recycling process system complex.
50~10
70
0.074
Sorting accuracy of thicker, large capacity, simple technological process. Sorting accuracy as heavy medium.
Medium
grain
gravity separation equipment
jig
By moving the diaphragm jig
Lateral dynamic rectangle diaphragm jig
Remer vibratory jig
Circular jig
The moving cone jig
Guangdong type jig
Trapezoidal jig
12~0.1
12~0.1
12~0.1
12~0.1
0.6~0.1
0.6~0.1
5~0.074
18
18
18
18
20
10
10
0.074
0.074
0.074
0.074
0.074
0.074
0.037
Large capacity, high enrichment ratio and can be used for roughing and selection.
Gravity
5~0.2
6
0.074
To separate the coarse sulfide minerals, the product is too much, high separation efficiency, capacity is small.
Placer
gravity separation
equipment
2~0.037
3
0.02
Small capacity, high enrichment ratio, can be a variety of products,Used to select more.
Spiral chute
Fan chute
2~0.1
0.6~0.05
1.5~0.074
3
1.5
2
0.074
0.037
0.037
Capacity is large shaking table,save water and electricity, simple structure. Enrichment ratio is low, used for roughing operation.
Cone separator
1.5~0.074
2
0.037
Large capacity, save water and electricity, cover an area of an area small, enrichment ratio is low, used for roughing operations.
Slime
gravity separation
equipment
Centrifugal separator
0.074~0.01
Large quantity,
enrichment ratio is low, for slime cyclones.
All kinds of belt chute
0.074~0.01
Small capacity, high enrichment ratio, for slime cyclones.
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Serena Fu
Kira Zhang
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kira.zhang@hot-mining.com
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