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  2. Trommel screen - Wikipedia

    en.wikipedia.org/wiki/Trommel_screen

    Curved screens are able to separate finer particles (200-3000 μm) than trommel screens. However, binding may occur if the particle size is less than 200 μm [14] which will affect the separation efficiency. The screening rate of a curved screen is also much higher than the trommel screen as the whole surface area of the screen is utilised. [15]

  3. Mechanical screening - Wikipedia

    en.wikipedia.org/wiki/Mechanical_screening

    Mechanical screening, often just called screening, is the practice of taking granulated or crushed ore material and separating it into multiple grades by particle size. This practice occurs in a variety of industries such as mining and mineral processing , agriculture, pharmaceutical, food, plastics, and recycling.

  4. Kingsnorth power station - Wikipedia

    en.wikipedia.org/wiki/Kingsnorth_power_station

    These were screened by double-entry rotary drum screens to retain any large particles of foreign matter. Four concrete volute cooling water pumps impelled water to the units cooling systems. All water extracted from the river was returned via two culverts of similar size to the inlets passing over a stone weir to Damhead Creek. The whole system ...

  5. 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.

  6. Rotopress - Wikipedia

    en.wikipedia.org/wiki/Rotopress

    The Rotopress is a continuously compacting garbage truck. A massive rotating drum compacts and stores the garbage. [1] The outer edge of the drum acts as the loading hopper, and paddles on the drum convey the waste around an auger of decreasing pitch until it is small enough to be forced through a small ring-shaped gap between the drum and the auger, where it then enters the main section of ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. ARWEN 37 - Wikipedia

    en.wikipedia.org/wiki/ARWEN_37

    The AR-4 munition consists of an aluminum canister which is intended to deploy a large quantity of pyrotechnic smoke suitable for screening purposes in a variety of colours. The AR-5 munition consists of a composite plastic projectile which is intended to be fired at a physical obstruction such as a window, door or other barricade. The munition ...

  9. 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 ...