Article: 00079669

Screw feeder / gravimetric / motorized / powder

Gravimetric feeding systems generally use a volumetric feeder associated with a weighing system to control the discharge of powder from a storage hopper at a constant weight per unit time - eg kg/min. The weight signal is used via a feedback control system to constantly monitor the actual feed rate and compensate for variations in bulk density, porosity etc.

Weighing systems may include platform scales, loadcells, weigh hoppers and other devices to provide optimum performance as required by design requirements.


System design may be on Loss-in-Weight or Gain-in-Weight principles depending on overall process requirements.

Specifications

  • Type: screw, gravimetric
  • Operational mode: motorized
  • Product applications: powder

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