Vibrating screen manufacturer
Remember those old western movies where people sat next to rivers, shaking hand-made screens in which they put the gravel from the bottom of the river? A highly mechanized, modern and efficient machine exists to fulfill the same purpose – and it’s been creatively named mechanical screen.
The purpose for which the mechanical screen is used is similar, yet not quite the same. It can be used when making fine slag, for example the one used on tennis fields. It can also be used as a highly-mechanized tool for the same purpose people used to manually shake their hand-made screens – separating gold from other stones and gravel.
The way it works is that there are several levels of steel sieves with different permeability. Stones fall on the top sieve, with the highest holes. It then segregates smaller stones from the bigger ones, since the small stones fall through the sieve, while the bigger ones remain. Those smaller ones then fall down to the next sieve, which has even smaller permeability, and it separates the smaller from the bigger stones even further. You can choose to have as many levels as you want, up to the permeability which you know is going to separate exactly what you’re looking for. For example, if you want to segregate gold from the other rocks that you collected from the bottom of the river, you would want a large amount of levels, since gold pieces are going to be very small and very rare, so they would fall through several levels, until finally reaching the bottom, where you would conveniently place something to collect all the gold in. Of course, it’s not that simple and you would usually need another method to separate pure gold from the surrounding stones, but the principle remains the same, and it’s actually often applied when working on large-scale gold-collection projects, usually on large rivers that flow through gold-rich ground.
Nowadays, there are other mechanisms applied so that the screening is more efficient, and they usually include some sort of shaking, which makes the stones more evenly distributed on the screen, preventing any possibility of a smaller stone not falling to a lower level because it was piled up on a larger stone. Depending on the exact shaking mechanism used, there are several mechanical screening methods today:
Tumbler screening method
This mechanical screening technique uses elliptic motion in order to separate even the finest materials from the pile, while preventing any from spilling out.
Circle-throw vibrating method
This technique applies motion to the whole structure, where it extends to its maximum length, and then contracts back to the original position. Of course, it has suspenders which prevent any damage from being done or accumulated during time, while also facilitating segregation of even the finest particles.
High-frequency vibrating method
This one is kind of the opposite of the circular-throw method, as here the structure is fixed, and only the screening cloth is shaken.
The screening machines that we provide are exactly vibrating screens, mentioned in the last two examples. They can segregate various sizes of material and can do so with high speed and efficiency. No matter which material you would like to separate, by using the implemented vibrating techniques, and the exact number of segregation layers, you can make sure that you get exactly the material you want.