Gravity Concentrating Table
- Model: 6-s double-deck concentrating table
Feed size: 0.02~4mm
Capacity: 7.2~108t/set
Application range: Widely used in separation of placer gold and other minerals, mainly used for gold or coal preparation, etc.
Gravity Concentrating Table
Introduction
The traditional 6-S concentrating table occupies large area, processing capacity is low, and fund
input is relatively large.
The use of 6-s double-deck concentrating table solves many problems of 6-s single-deck concentrating table.
6-s double-deck concentrating table occupies small area, processing capacity is high, and it is
energy-saving and low-cost.
It has the advantages of high efficiency of separation, easy to adjust the stroke, etc.
It can keep the bed balanced when changing the transverse slope and stroke. Springs are placed
within the tank, the structure is compact, and it can get final concentrate and final tailing.
Definition
Concentrating table can make the mineral grain move in different directions according to different density
and particle size, ore discharge line is very long, it can accurately produce kinds of different quality products,
for example, concentrate,rough concentrate and tailing.
Application range
Concentrating table is gravity separation equipment. It has been widely used in separation of placer gold
and other minerals,mainly used for gold or coal concentration.
Classification
Classification of concentrating table: ore sand concentrating table, mine slime concentrating table,
glass-steel concentrating table, 6-s concentrating table, LS concentrating table, etc.
Influence factors
a.Asymmetry of concentrating table movement
It has great influence on the selective transfer of ore grain and bed loose condition. Appropriate asymmetry
means it not only
can ensure good selective transfer properties, but also ensure the sufficient loose condition of bed.
For the coarse-grained material which is difficult to loose and easy to transfer, the asymmetry can be smaller,
for the fine material which is easy to loose and difficult to transfer, the asymmetry can be bigger.
b.Stroke and frequency of stroke
Stroke and frequency of stroke determine the bed’s magnitude of speed and acceleration of movement.
The best stroke and frequency of stroke should make the bed has good selective transfer ability.
For the condition of coarse-grained material and heavy load, adopts long stroke with low stroke frequency,
usually the stroke is 16-30mm, frequency of stroke is 200-250 beats per minute. For the condition of fine
material and small load, adopts short stroke with high stroke frequency, usually the stroke is 8-10mm,
frequency of stroke is 250-300 beats per minute.
c.Water yield and gradient
Water yield and gradient will affect lateral flow velocity and thickness of water layer.
They determine the speed of ore grain transfer and cleaning effect. So water yield and gradient are factors
which need to be adjusted frequently.Increase the gradient can reduce water yield and vice versa.
Increase water yield and reduce gradient can thicken the water layer.
During the operation,water yield and gradient must be well matched. For the condition of coarse-grained
material and concentration, it requires larger velocity and thicker water layer, adopts the principle of
large water yield and low gradient. For the condition of fine material and rough concentration,
it requires larger velocity and thin water layer, adopts the principle of high gradient and small water yield.
The dip angle is 0-10°, water yield is 20-50L/min.
d.The feed volume and feed concentration
The feed volume and feed concentration both can affect stratification and transfer speed. Oversize feed volume
will decrease the recovery rate. Undersized feed volume will decrease handling capacity. If the concentration
is too large, there will be sand pile,on the contrary, there will be grooved. Feed volume and feed concentration
must be well matched. The principle is using optimal feed concentration within the load range of feed volume.
In general, feed concentration is 15%-255, coarse grains take the high value, and fine grains take the low value.
Handle placer more than 0.2 mm, production capacity is 0.7-2.3 t/ machine-hour, handle fine materials less than 0.2mm,
production capacity is 0.2-0.5 t/ machine-hour.
e.Feed size and shape
Feed size and shape will affect precision of sorting according to density. So the classification before separation
is necessary. Round shape heavy mineral grains are easy to be lost in starlings and they will influence the
separation of fine grains. If the round shape materials are gangue, this will be beneficial to separation.
The sorted materials are epigranular, easy to operate and adjust which is conducive to the improvement of production capacity.
Technical parameters:
|
Specification |
Stroke (mm) |
frequency of stroke (time/min) |
Feed size |
Transverse slope of bed surface (°) |
Handling capacity |
Motor |
Weight(t) |
Dimension |
|
|
Model |
Power(kW) |
||||||||
|
4520*1825*1560 concentrating table( Lacquer engraved bed surface ) |
8-36 |
240-380 |
0.02-2 |
0-10 |
15-108 |
Y90S-4 |
1.1 |
1.25 |
5600*1825*1560 |
|
4520*1825*1560 |
8-36 |
240-380 |
0.02-2 |
0-10 |
15-108 |
Y90S-4 |
1.1 |
1.08 |
|
|
Yunxi concentrating table |
8-22 |
240-360 |
0.019-2 |
0-8 |
50-35 |
Y100L-6 |
1.5 |
1.045 |
5454*1825*1242 |
|
Yunxi concentrating table |
8-22 |
240-360 |
0.019-2 |
0-8 |
50-35 |
Y100L-6 |
1.5 |
1.03 |
|
|
Yunxi concentrating table |
8-22 |
240-360 |
0.019-2 |
0-8 |
50-35 |
Y100L-6 |
1.5 |
1.08 |
3090*1050*1033 |
|
2100*1050 |
12-28 |
250-450 |
0-4 |
0-8 |
7.2-19.2 |
Y90L-6 |
1.1 |
0.694
|
|
|
Name |
coarse sand concentrating table |
fine sand concentrating table |
mine slime concentrating table |
|
|
Bed size |
Length（mm） |
4450 |
4450 |
4450 |
|
Width of driving end（mm） |
1855 |
1855 |
1855 |
|
|
Width of concentrating end（mm） |
1546 |
1546 |
1546 |
|
|
Max feed size（mm） |
2 |
|
||
Contact us:
|
|
Serena Fu |
Kira Zhang |
Lolita Liao |
|
|
serena.fu@hot-mining.com |
kira.zhang@hot-mining.com |
teresa.zheng@hot-mining.com |
|
Skype |
Serena20140924 |
kira.zhangjing |
teresa.zheng123 |
