Domestic and foreign tin ore heavy medium ore dressing index

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