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Trommel screen

Jul 15th, 2022 at 12:54   Phones & Tablets   Sahāranpur   148 views
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Location: Sahāranpur

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The benefits of the sieve technique include simple handling, low cost of operation, accurate and reproducible tests in comparatively short time and the probability of separating the fractions of particle size. This method is therefore an accepted alternative to methods of analysing using laser light or image processing.

As the name implies, the design of a vibrating screen is based on the principle of transmitting vibrations to the screen surface in order to separate and sort different particles by size. Regardless of the design of the machine, the principle remains the same: the vibrations break the surface tension between the particles, thus forcing them to separate. Particles that are too small in size (called "fines") fall to the sieving surface. At the same time, particles that are too large are carried on the screen surface. This is an important application in many industries, especially mineral processing.

Centrifugal sifter is a rotary screener designed to separate particles of different sizes into two product streams and remove impurities and oversized materials, it can continuously screen powdery materials in the range of 80-530 mesh (common vibrating screens are difficult to Screening and grading of powdery materials above 200 mesh), even when dealing with materials that are prone to peeling or clumping due to fat or moisture content, the combination of high centrifugal force and blade spreading action reduces sticking problems, and the output is ordinary vibrating sieves 5-10 times.

Trommel screen is simple in design: a rotating cylindrical drum with perforation cavities which allow undersized material to pass through the screen. The advantage of this design is a relatively lower cost. In fact, small, basic trommels can be made at home with relative ease.