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economic large pyrrhotite high frequency screen manufacturer in kazakhstan

screening machines & screeners

screening machines & screeners

Super phosphate (SP), triple super phosphate (TSP) or double super phosphate (DSP) as well as diammonium phosphate (DAP) and monoammonium phosphate (MAP) are mainly used as fertilizers and are subject to strict quality requirements. Since phosphate fertilisers are produced in large quantities of several hundred tonnes per hour, even small efficiency deficits lead to high product losses. The aim of the screening process is to achieve high product purities at maximum throughput - and this can only be achieved by preventing clogging of the screen meshes.

The screening tasks in the processing of nitrogenous fertilizers such as ammonium sulphate (AS), ammonium nitrate (AN), calcium nitrate (CN), potassium nitrate (KN), calcium ammonium nitrate (KAS) and urea range from lump separation to the demanding separation of product fractions as well as dust removal. Screening nitrogen fertilizer with high efficiency and throughput requires precise adjustment of all machine parts as well as a well-functioning self-cleaning system, since urea and co. tend to bind air humidity in the dust fraction and thus clog the screen cloth.

To properly separate sugar requires the application of a high frequency directly to the material. The reason is, that sugar can become sticky even at low humidity levels and also tends to clog the sieve mesh, due to its crystalline grain shape. Screening machines with direct excitation of the screen mesh have therefore proven to be not only energy efficient, but also extremely precise. Thanks to the high accelerations, they reliably separate even finest sugars into several fractions simultaneously.

Efficient separation of metal powdersHigh-alloyed metal powders for 3D printing (additive manufacturing/ rapid technology) should be extremely pure to guarantee a high-quality end product. Dust and agglomerates must therefore be reliably removed from the extremely fine powder during production and recycling. A suitable screening machine should not only be highly precise, but also reduce the loss of valuable product and machine downtime to a minimum.

When processing dry mortar into different fractions, the fluctuating grain size distribution of the crushed limestone, as well as its tendency to clog up the screen mesh, lead to great challenges during screening. Efficient and flexible screening equipment can prevent these negative effects. On the one hand, it must be possible to individually adjust the oscillation amplitudes on each screen deck, and on the other hand, an automatic cleaning system is required to keep the screen surface open and thereby ensure throughput and product quality.

In this particular type of drive, two unbalance motors with different speeds are used. Upstream, a large oscillation amplitude ensures the loosening and removal of the material, while downstream, a small oscillation amplitude at higher acceleration ensures that even difficult to screen products are classified accurately.

Linear and circular vibrating screens are a cost-effective alternative to directly excited screening machines. They can be supplied with several screen decks on request and are available in tailor-made special designs. Their low-maintenance unbalance motors and good accessibility through large inspection openings simplify maintenance tasks.

By overcoming cohesion forces, our high-performance dewatering screens achieve maximum dewatering of solid particles from suspensions with optimized residual moisture content for particles down to less than 1 mm. In wet processing, the precise screening technology ensures efficient disagglomeration of the material and thus optimum separation of coarse and fine material.

Believe it or not for over 70 years it has been our objective to manufacture the best screening machines in the world! For our customers, we always aim to deliver the most effective screening machines for their specific task. Of course, we consider our customers technical and commercial constraints, and adjust each screening machine exactly to their wishes and requirements.

RHEWUM screening machines are Made in Germany or more precisely Made in Remscheid for this reason it is no surprise that we are not the cheapest manufacturer of screening machines, but our sophisticated clientele appreciates our established quality. Still not convinced? We will test your material in our technical center and demonstrate to you the performance of our screening machines, live on site! Clear, committed answers instead of cryptic promises are what you can expect from RHEWUM.

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