Working principle of mesh belt type green onion dryer: the raw materials are evenly distributed on the conveyor belt from the feed end through the feed equipment. The conveyor belt is usually made of perforated stainless steel plate and driven by a motor through a gear box. The commonly used drying medium is hot air. The air is sucked from the outside by the air circulator through the air filter, heated by the electric heater, and then blown vertically upward from the lower end of the conveyor belt through the distribution plate. When the heat flows through the material layer, the moisture in the material evaporates, the air humidifies, and the heat is reduced. Part of the wet air is discharged from the box, and the other part is mixed with fresh air at the inlet of the circulating fan for recovery. The dried product can be directly cooled by the outside air or other low-temperature media, and then discharged from the outlet. The mesh belt type green onion dryer is a common automatic drying equipment. It mainly uses a material leveler to flatten the material placed on the conveyor belt, and the transmission device drags the material to move back and forth inside the dryer. The hot air will flow through the material, and the water vapor will be discharged through the top, so as to achieve the purpose of dehydrating and drying the material. Since many growers and manufacturers are now using mesh belt green onion dryers for drying, I will introduce the advantages and characteristics of mesh belt green onion dryers to you below.

Large production batches and high drying efficiency: Compared with traditional sun drying and other automatic drying, the mesh belt green onion dryer uses a multi-layer mesh belt structure that not only has a large drying area, but also can dry while feeding and discharging to achieve large-scale continuous drying production with high production efficiency, which is very suitable for growers and manufacturers who dry large quantities of materials.