Shaking Table

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Descripion:

Shaking table is designed for wet gravity separation of minerals and other particulate matter. In many applications, table concentrators have specific value and cannot be equated with cost-effective performance. They effectively process precious and base metals, rare metals and non-metallic minerals.

This shaking table is applied to the separation of the particle size 2-0.0037 mm sand ore or slime ore of Gold, Tungsten, Tin, Titanium, Iron, Chrome, Manganese, and so on ferrous, Non-ferrous, precious metals etc. Separation of the particle size of 4-0.037mm's pyretic. If change the riffles will separate tailing coal and slime coal, mozanite, rutile and so on non-metals and separation of those has enough density differences materials and reasonable density compound mixing materials.

The shaking table beneficiation process is carried out on an inclined table with a shallow tank. Minerals are sent to the bed surface from the feed launder, and at the same time, the washing water is horizontally supplied to the feed launder. Under the action of gravity, lateral water momentum, inertia and friction generated by the reciprocating asymmetric motion of the bed, minerals are layered according to weight and size, moving longitudinally along the bed, and moving laterally along the inclined bed. Therefore, minerals with different specific gravity and particle size fan out along their respective directions from the feed to the discharge, and are discharged from different areas on the concentrate side and tailings side respectively, and then divided into concentrate, medium ore and tailings. The remarkable advantage of the 6-s shaker is that the separation accuracy is high, and finally you can get thick, middle and tail products at the same time. High enrichment ratio, high beneficiation efficiency, simple operation and convenient stroke adjustment.

Structure:

The 6-s shaking table is composed of head motion(transmission system),deck and base frame these 3 main parts.Head motion is driven by the motor through the shaft connecting the deck to lead the deck to do the reciprocating asymmetrical movement. The deck is made of fiber glass and rectangle shaped. The tilt side install the ore feeding water feeding launder, the vertical side install riffles and slots. Shaking table is supported by the frameworks, and the slope adjusting machine is installed on it to adjust the horizontal slope.

Working principle:

The separation process of the 6-s shaking table is under the co-action of the deck shaking and horizontally flushing water, The riffle is vertical to be perpendicular with the water flow , the water flow flush horizontally over the slots of the riffle one by one come into being the eddy current,and the co-action of the eddy current and table shaking to make the sand ore layering because of their different density,the heavy one layer the next while the light one layer up. The light one will suffer heavier flush and heavy one suffer light flush,therefore the light one horizontally move more fast than the heavy one. This process is called parsing layer.

On the length-way, the differential movement of the table is slowly beginning and increasing advance, when reach the speed limit will go back in a sudden, in the process of go back the speed will decrease gradually, then advance again.continuous the above process, which is not only promote the loosing and layer of the sand ore but also lead the heavy particles move with higher speed to follow the length-way forwarding and the light particles move front. Where is the particle's going is depending on the combination of the horizontal speed and vertical speed. The heavier particles has the relative lower horizontal speed and higher vertical speed and lighter particles has the relative higher horizontal speed and lower vertical speed, on the application of parallelogram principle, we make a combination horizontal speed and vertical speed,we can see the heavy particles combined speed is tend to concentration side while the light one will tend to the tailings side, and the middle density's will tend to the middle of the concentration and tails. This process is called carry zoning. Because the height of the riffle is decreasing toward the vertical direction from the transmission end, the layer particles inside the slots will continuously be removed, the light ore on the upper side of the slots will be removed at first to move toward the horizontal to the tails side, and the heavy particles will discharge from the concentration end.

Therefore the particles will distribute fan-shaped because of their different density and particle size finally to get the many final products. The concentration vein on the table smooth section( the area without riffles) will be flushed by the horizontal water flow to wash away the vein-stone particles to promote the grade of concentration.

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