Heavy media beneficiation indicators at home and abroad tin mine in Table 1 below:
Table 1 Domestic and foreign tin ore heavy medium ore dressing indicators
sequence
number
Mineral processing name
Ore type
Sorting equipment
Weighting agent
Sorting density
t/m 3
scale
t/d
Raw ore grade
%
Discard rate
%
Waste stone grade
%
Waste rock metal share
%
Sorting size range
%
Remarks
1
Dachang Mining Director Poor Mine
Tinfoil-sulfide ore
Cyclone
Arsenic pyrite
2.4 to 2.6
1000
0.44
38.75
0.063
3.59
4~20
Two-stage air lifting medium level 196kPa (2kg/cm 2 )
Secondary 245kPa (2.5kg/cm 2 )
2
Yunxi Company's old concentrator
Ibid.
Double cone cyclone
Pyrrhotite
2.29~2.31
500
0.106
29.90
0.01
2.83
3 to 16
Two-stage air lift medium
3
Yunxi Company Network Mineral Concentrator
Reticular vein tin
Ibid.
Ibid.
2.1 to 2.3
1500
0.22
49.21
0.075
16.71
3 to 16
Industrial test indicators
4
[Australia] Renison concentrator
Tinfoil-sulfide ore
DWP sorter
Ferrosilicon
3.0
1750
1.12~1.20
18~20
3.0
0.5～12
In 1975, a heavy medium workshop was built. The scale of the plant was expanded from 1300t/d to 1750t/d. Use magnetic separation recovery media, sand pump to lift media
5
[Australia] Cleveland Concentrator
Ibid.
Cone sorter
Ibid.
2.8
1200
0.4
40
0.8～17
It was put into production in 1968. Use magnetic separation recovery media, sand pump to lift media
6
[English] Geevor concentrator
Cassiterite quartz vein
Drum sorter
Magnetite 60%
Ferrosilicon 40%
2.613
600
0.8
40
0.08
7.0
6 to 16
Lift the media with a special 70° grooved belt conveyor
7
[Bolivia] Colquiri Concentrator
Tinfoil-sulfide ore
Cone sorter
Pyrite
1800
0.7 to 0.8
34.8
0.20
9.8
8~37
The raw ore is directly into the heavy medium without washing.
8
[South Africa] Rooiberg Concentrator
Sartsite-magnetite
DSM cyclone
Ferrosilicon
Magnetic ferrosilicon
1050
0.70
>50
0.05
6±
0.5～12
Sand pump lifting medium

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