1. Grain Drying Tower
They use coal, wood, or biomass as fuel. Combustion generates hot air, which is converted into pure steam and then introduced into the drying tower using an induced draft fan. The drying tower features numerous bucket structures. Grain entering the drying tower via a bucket elevator is buffered by these bucket structures, increasing the contact time between the grain and the hot air. Air duct control ensures the grain is thoroughly dried.
2. Grain Dryer
They primarily use electricity and utilize a rotary heating device, generating large amounts of hot air in a short period of time. This high temperature treatment kills insect eggs, completely solving the problem of grain drying.
For a long time, my country's grain drying has relied primarily on natural sunlight, turning the grain in drying yards or on roads. This is extremely labor-intensive and resource-intensive, and poses significant traffic safety risks. Centralized rice drying technology not only effectively prevents losses caused by severe weather such as continuous rain, ensuring increased grain yields, but also offers the advantages of simplicity, efficiency, and reduced labor burden compared to natural drying. Mechanical drying of rice also shortens the drying time, prevents germination and mildew, and provides an optimal drying temperature and uniformity, virtually eliminating cracking during the drying process. This improves the quality, storage stability, and processability of the rice. Furthermore, this technology prevents contamination of grain caused by natural drying and eliminates traffic accidents caused by farmers using roads to dry rice.
