During the foundation laying the air ventilation channels must be left on the surface of the concrete foundation. The sizes of the ventilation channels are calculated according to the capacity of the silo. The diameter of the perforated galvanized flooring is covered upon the air channels in order to provide efficient grain ventilation inside of the silo. High volume axial and centrifugal fans are made of galvanized steel and designed to deliver high capacity airflow at maximum performance.

The FOPRO active ventilation system efficiently decreases damage percentage of the grain, decreases relative degree of humidity, reduces risk of grain spoiling, decreases the reproduction rate of insects, etc. In addition, the mobile corrugated ventilation fans which are used in the horizontal silos can be produced.

And, by the ventilation outlet at the roof, natural air circulation exists.
This natural air circulation is supported by aeration fans and the grain is stored for a while.

Aeration System:

The grain in the silo must be aerated for long time storage. In this system the silo is aerated by high pressure centrifugal fans.

The air passes through the grain and leaves the silo from the ventilation outlets at the roof of the silo.

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