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Use #POWTECH

Leading Trade Fair for Powder & Bulk Solids Processing and Analytics

29.9 - 1.10.2020 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2019
Zoom product LOGO_Smooth Roll Crusher

Smooth Roll Crusher

LOGO_Smooth Roll Crusher

Smooth Roll Crusher

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CPC Smooth Roll Crusher

Application

  • Comminution of hard and medium-hard material (lime stone, magnesia, salt, fertilizer, coke etc.)
  • Throughput up to 500 mt/hr, depending on material characteristic and particle size
  • A typical application: fine crushing e.g. from 30 mm feed size to 5 mm product size, approx. 80% target particle size largely avoiding fine grain and dust
  • Crushing roll surface according to the material characteristics (smooth, machine cut grooves or built-up welded rips)
  • Integration in semi-mobile plants possible

Mode of Operation

  • Comminution of the feed material between the two rolls (fixed and moveable) by mechanical pressure up to 200 to 400 kN, hydraulically induced
  • Product particle size regulated by precise hydraulic setting of the roll gap
  • Opening of the gap between the crushing rolls in case of overload (e.g. caused by an unbreakable foreign object) within milliseconds to let that piece pass thus avoiding a shut-down

Features

  • Very long live-time due to the extremely hard chromium alloyed roll tires
  • Reduced maintenance due to motor/gear unit drive (Alternative: V-belt drive). Speed control and overload protection installed
  • Starting under load possible
  • No dust discharge due to specific shaft and housing sealings at the moveable roll. Operating with inert gas possible where applicable
  • Stainless steel for machine parts in contact with feed material where necessary
  • Guaranteed permanent parallel position of the crushing rolls even under partial overload (e.g. by strange material) due to hydraulic “Cross Junction” of the hydraulic cylinders
  • Extremely fast movement of the moveable crushing roll without critical cavitation of the hydraulic oil due to the design and dimensioning of the hydraulic elements
  • The hydraulic control elements on a manifold, avoiding sensitive piping
  • Automatic central greasing of the shaft bearings
  • Optional: shock absorber
  • Design of the discharge seal for easy and quick movement to a maintenance position
  • Local Operating Panel (LOP) with PLC. Communication interface to the plant control units available

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