Belt Dryer

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Belt Drying Technology

Since 1997, Promill has designed and supplied numerous belt dryers for various products of the agro-industry.

The concept of a belt dryer is to recover low grade energy (hot water, condensates, low pressure steam, condensation of off gases of existing drum drying unit) for drying or pre drying wet products.

This technology can be proposed:

  • Either to increase existing drying facility without extra thermal expense
  • Or decrease the overall thermal expense of the drying facility
  • Or producing an even moisture content of wet product before the drum dryer or the boiler


  • Strong and robust conception for heavy duty during 8000 hours/year
  • High thermal efficiency
  • Scaling by prefabricated modules
  • Easy transport to site of modules
  • Easy and quick installation at site
  • Soft regulation
  • Very low cost of maintenance
  • Compliance with dust regulation

Fields of application

  • Beet pulp
  • Grass/Alfalfa
  • Corn gluten feed
  • Wood particles/Sawdust
  • Biomass
  • Fruit by-products, algae, chicken manure