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Corn drying machine is widely used in agriculture

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Corn drying machine is widely used in agriculture

When corn is harvested, the moisture content is generally between 20-30%. There must be a drying machine and precipitation process to make the moisture content reach safe storage standards before it can be stored in the warehouse. Corn is one of the grains that is difficult to dry. The main reason is that its grains are large and the surface area per unit weight is small. The corn skin has a tight and smooth structure, which is not conducive to the transfer of moisture from the inside of the corn to the outside. Especially under the action of high-temperature drying medium, due to the rapid vaporization of surface moisture,When the moisture in the corn skin cannot be transferred out in time, it is not conducive to the drying of corn. If the temperature of the corn drying medium exceeds a certain temperature, and the corn is heated to a temperature greater than a certain temperature, its quality will decrease. According to the characteristics of corn and the moisture content at harvest (20-30%), the ideal drying process is multi-stage high and low temperature alternating drying, which can not only ensure the quality of corn, but also save energy. An important part of agricultural modernization is grain drying. Only by mechanizing production processes from grain sowing, fertilizing, cultivating, irrigation, field management to harvesting, threshing, drying and precipitation can grain production be freed from the constraints of nature.

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