Introduction:
There are two main types of corn dryer. One is concurrent flow corn dryer, the other is mixed flow corn dryer. According to different latitudes, users need to choose different corn dryers. For example, mixed flow dryer is suitable to dry grains and oil-bearing crops with less moisture in tropical zone. In contrast, concurrent dryer is more applicable for drying such raw materials with higher moisture in temperate zone and frigid temperate zone.

Working principle:
The first important part of corn dryers is the hot-blast furnace. The following types like: coal burning furnace, fuel burning furnace, natural gas burning furnace and bio-fuel burning furnace will be available for users. The main function of the furnace is to provide dryer with hot air as the drying medium.
 
The most important part of the corn dryer is the drying machine. Its internal components are mainly composed of air intakes and angular boxes.
 
In the whole process, raw grain will first fill the drying container, then the hot-blast generated by the furnace will go through the air intakes and enter the inside of the machine. Corn flows slowly from top to bottom by gravity. Meanwhile the hot air flow through the corns layer by layer. In this process, heat is transferred from hot air to grain material to raise the grain temperature to make the moisture inside the material evaporate into the air and become exhausted air, then discharged into the air through the angular boxes. if the working temperature inside the dryer exceeds 150 degrees, or the temperature of corn more than 60 degrees, the quality of corn will be greatly affected. Dingli company corn dryer select the technology of tempering process, alternating high and low temperature drying multi-level segment.

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