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Stationary Dryers

By popular demand, ESMA SRL s.u., with 35 years of experience in the production of mobile grain dryers, is pleased to introduce its new line of machines designed for dehydration and conservation of cereals, paying particular attention to the development of systems that safeguard seed quality and are environment-friendly.


The ESMA continuous cycle column dryers with total heat recovery guarantee lower consumption, uniform distribution of the hot drying air flow, lower emissions into the atmosphere in compliance with the current laws and easy removal of the drying vapours.

The drying is performed by means of hot air cross currents passing through the grains, which dry as they drop towards the bottom.

Recovery is by means of high efficiency centrifugal fans which ensure:

  • reduced noise pollution
  • higher yield

The burners are two-stage or modulating high efficiency air duct gas burners.


The ESMA drying column consists of an upper loading hopper, a number of modules with rounded ducts inside immersed in the cereal, a discharge hopper and a vertical auger (optional bucket elevator) which deal with loading, recirculation and discharge, and a hot air production unit. 

The cereal drops down by gravity in a zigzag movement and is hit by a flow of hot dry air in counter-current which crosses the ducts and the cereal; the saturated air flow is dispersed in the atmosphere.

The quantity of cereal at the outlet is predetermined and regulated by an electrically motorized extractor.

The product collected in a hopper drops into a vertical auger (optional bucket elevator) which feeds the drying column as many times as necessary to reach the desired final humidity (recycle).

At the end of the drying, the cereal is cooled and sent to the outlet by means of a two-way valve installed on the recirculation auger (optional bucket elevator).

The hot air generation unit consists of: a two-stage burner controlled by thermoregulators, a stainless steel oven (optional heat exchanger), a fan and a duct for connection to the drying column.