Conical Screw Vacuum Dryer Bachiller

Bachiller is delivering a set of three 4.5 m³ conical screw vacuum dryers to a major European pharmaceutical company, at its facilities in East Asia.

The vertical conical vacuum dryer has a sanitary design, with a maximised heating surface, for the drying of all kinds of moist thermo-sensitive, crystalline, amorphous or paste products.

The conical vacuum dryer comprises a fully conical vertical vessel, with a vertical screw mixing and drying system.

These pieces of equipment are equipped with:

  • Powder retention filter in the vacuum outlet,
  • Choppers for braking lumps or balls of product.
  • CIP system validated with riboflavin test,
  • Sampling valve,
  • Automatic loading and unloading system,
  • Condensation, vacuum and heating system.
  • Control Hardware and software.


  • Sanitary design cGMP, FDA validated.
  • Ultra vacuum batch operation.
  • Full tightness.
  • Mechanical simplicity, low maintenance required.
  • Easy to clean and inspect.
  • Repetitive operation, reproducible and easy to scale up.


Three conical screw vacuum dryers for East Asia Three conical screw vacuum dryers for East Asia