Silo Cooling — Important For The Preservation Of Grain

Grain is an important base ingredient of nourish products in all formulas in the food industry. It requires being present all through the processing and can’t be changed. Thus, it is compulsory, it is compulsory to store it during the crop time when quality and cost are supposed to be the best. The majority of the mills have spent much in bulk storage facilities such as silos cooling in order to simplify the treatment for the dealing out and to keep the quality of the corn during the process of the storage.

No doubt, the management of the storage normally faces a number of challenges on regular basis. These are happened by the nature of grain itself, the conditions of the storage as well as the post harvest handling. The basic issues are the high and irregular moisture content, elevated ambient temperatures and virtual humidity, heat rise during storage, fungus and mould swarm. All these concerns need additional efforts, extra cost or decrease in processing effectiveness, which rather boost with prolonged storage time. Grain cooling simplifies the trouble and ease the management to single treatment solution for all limits of corn storage.

The technique of grain cooling

The grain cooler is joined directly to the grain storage with the help of a flexible hose. The treated air is blown into the grain size. Here, the air flow passes all through the grain and takes away the heat right away from the grain. The air turns humid and warm and way outs the storage space bin throughout vents at the peak.

The grain cooling with Silo aeration and regularly continues until the complete bulk is cooled to the preferred temperature, generally from the range of 10 to 18°C, according to the time of storage. After that, the grain cooler is switched off and the air bay and vent openings are stopped. Here the cooled grain keeps in the silo until it is detached or cooled again if the temperature will boost after several months of storage.

Stop the development of weevil and fungus

Weevils and similar other insects can harm stored grain and their action and development is controlled by the temperature of the surroundings. It shows that at temperature beyond 20 to 32 °C the growth of the insects is in best. Meanwhile, temperature less than 10 to 15°C decrease the activity. Thus, the grain is directly saved when grain is cooled.


Grain cooling with silos cooling is a complete solution for postharvest management as well as conservation of dry bulk lump. It calls up the advantages which keep quantity, quality as well as the processing of a corn in the most financial state.

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