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  2. Trommel screen - Wikipedia

    en.wikipedia.org/wiki/Trommel_screen

    A trommel screen, also known as a rotary screen, is a mechanical screening machine used to separate materials, mainly in the mineral and solid-waste processing industries. [1] It consists of a perforated cylindrical drum that is normally elevated at an angle at the feed end. [2]

  3. Rotary vacuum-drum filter - Wikipedia

    en.wikipedia.org/wiki/Rotary_vacuum-drum_filter

    Oliver-type rotary vacuum-drum filter. A Rotary Vacuum Filter Drum consists of a cylindrical filter membrane that is partly sub-merged in a slurry to be filtered. The inside of the drum is held lower than the ambient pressure. As the drum rotates through the slurry, the liquid is sucked through the membrane, leaving solids to cake on the ...

  4. High-frequency vibrating screens - Wikipedia

    en.wikipedia.org/wiki/High-frequency_vibrating...

    An alternative to the high frequency vibrating screens is the rotary sifter. A rotary sifter uses a screen which rotates in a circular motion and the finer particles are sifted through the apertures. It is also generally used for finer separations; between 12mm to 45μm particle size.

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  6. Rotary kiln - Wikipedia

    en.wikipedia.org/wiki/Rotary_kiln

    A rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include: Cement; Lime; Refractories; Metakaolin; Titanium dioxide; Alumina; Vermiculite; Iron ore pellets; They are also used for roasting a wide variety of sulfide ores prior to ...

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  8. Flights (rotary dryer) - Wikipedia

    en.wikipedia.org/wiki/Flights_(rotary_dryer)

    Flights, also commonly referred to as "material lifters" or "shovelling plates" are used in rotary dryers and rotary coolers to shower material through the process gas stream. [1] Fixed to the interior of the rotary drum, these fin-like structures scoop material up from the material bed at the bottom of the drum and shower it through the gas ...

  9. Rotary table (drilling rig) - Wikipedia

    en.wikipedia.org/wiki/Rotary_table_(drilling_rig)

    A rotary table is a mechanical device on a drilling rig that provides clockwise (as viewed from above) rotational force to the drill string to facilitate the process of drilling a borehole. Rotary speed is the number of times the rotary table makes one full revolution in one minute (rpm).