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Double Shaft Crusher, type PDWB

Production of powders with narrow particle size distributions from brittle and crystalline materials

Method of Operation

Installation of the double shaft crusher is on a platform or on top of a pit. Feeding is done with a vibratory feeder. Material is crushed between two rolls rotating at different speeds. Grinding gap and grinding pressure can be adjusted. Fine material gets discharged to the bottom of the machine housing.

Smooth rolls are standard. A variety of different roll designs is available to be able to adapt to different crushing applications. Bearings are outboard and no grease can enter the grinding chamber. The rolls are each driven by a gear motor. Speed adjustment by frequency control is available as an option, as well as hydraulic motors.

Double shaft crushers type PDWB are used to produce powders with narrow particle size distributions from brittle and crystalline materials.

Typical applications are crushing of organic and inorganic materials in the chemical, pharmaceutical and explosives industry, crushing of resins, pigments, minerals, phosphate, salts materials for welding roads and metals etc.

Advantages & Features

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Production of narrow particle size distributions possible

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Direct drive of rolls by gear motor or hydraulic motor

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Compact space saving design, low feed height

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Positive feed of material

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Adjustment of grinding gap from the outside

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Adjustment of grinding pressure used for protection of rolls

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Adjustment of speed of rolls with frequency controller possible

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Low speed of rolls avoids creation of sparks

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Very low noise level during production due to low speed of rolls

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Steel fabricated design, sturdy and reliable, built to last

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Stainless steel version available

Applications

  • Chemical

    • Pigments

    • Explosives

    • Resins

    • Phosphate Salts

  • Pharmaceutical

  • Food

  • Minerals

Technical Specifications

Type

PHK

250x500

Infeed opening

mm

250x500

Rotor diameter

mm

200

Rotor Width

mm

500

Motor

kW

2 x 2.2

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2009 PALLMANN Industries, Inc.
PALLMANN Industries, Inc.
36 Atlantic Way, Clifton, New Jersey 07012 - USA
Phone: (973) 471-1450 - Fax: (973) 471-7152
Email: info@PallmannIndustries.com