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Nutsche Filters Dryers

Specification

Description

An Agitated Nutsche Filter Dryer is a multi-functional, closed-system industrial device used for solid-liquid separation, washing, and drying of wet cakes—all in a single, sealed unit. It is especially suited for handling hazardous, sensitive, toxic, or valuable materials in industries such as pharmaceuticals, chemicals, food, and biotechnology.

An Agitated Nutsche Filter Dryer:

  • Filters a slurry (solid-liquid mixture) to collect solids.
  • Washes the collected solid (filter cake) to remove impurities.
  • Dries the solid using heat and/or vacuum.
  • Uses an agitator to aid in all of the above steps, ensuring uniformity and efficiency.
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Component Function
Pressure-rated vessel Contains the slurry and allows operations under vacuum or pressure.
Filter media Retains solids, lets liquids pass through (e.g., sintered plate, cloth).
Agitator Moves up/down and rotates; smooths, reslurries, breaks, and discharges the cake.
Heating jacket Applies heat for drying via the vessel walls and/or agitator shaft/blades.
Vacuum/Pressure system Enhances filtration and drying speed.
Discharge valve Allows dried solids to exit with minimal manual handling.

  1. Slurry Charging: Slurry is loaded into the sealed vessel.
  2. Filtration: Vacuum or pressure separates the liquid (filtrate) from the solid.
  3. Washing: Liquid wash is added; agitator mixes it with the cake for impurity removal.
  4. Drying: Heat (via jacket or agitator) and vacuum remove moisture or solvents.
  5. Discharge: Agitator moves down, scrapes, and pushes out the dry powder or cake.

  • All-in-one system: No need to transfer material between filter, dryer, or washer.
  • Closed system: Ideal for sterile or toxic processes (GMP-compliant).
  • Improved drying efficiency: Agitator increases surface area.
  • Reduced labour & exposure: Safer and more automated.
  • Minimized material loss: Important for high-value substances.

  • Pharmaceuticals (e.g., APIs)
  • Fine chemicals
  • Agrochemicals
  • Biotechnology
  • Food & nutrition