Drying equipment plays a vital role in many industries and production processes. It can effectively remove moisture, prevent corruption, improve production efficiency, improve product quality, and save energy and reduce emissions.
Rotary dryer is a commonly used rotary drying equipment, mainly used for drying various powdered, granular, and block materials, such as agricultural fertilizers, mineral products, chemical raw materials, food, grain, etc.
The fertilizer granules produced by the fertilizer granulator generally contain 6%~16% moisture and usually need to be dried so that the moisture content of the fertilizer reaches the fertilizer standard, so as to meet the requirements of storage, transportation, and application.
The rotary dryer consists of a rotating cylinder, a support device, and a transmission device. The air duct device, the heat source device, and other components. The material is loaded into the cylinder through the feed port, and the cylinder starts to rotate under the drive of the transmission device. At the same time, the heat source heats the outer wall of the cylinder, so that the material in the cylinder is heated and the moisture evaporates. The air duct device introduces hot air into the cylinder and discharges the moisture evaporated from the material, thereby achieving a drying effect. The dried material is discharged through the discharge port to complete the entire drying process.
After drying, the temperature of the compound fertilizer is still high. If it is directly packaged without cooling, it will cause problems such as moisture absorption and agglomeration, affecting product quality. The rotary cooler can effectively reduce the temperature of the material and increase production efficiency. The rotary design allows the hot material to be evenly distributed inside and quickly cooled by contact with the cooling medium. The sealed structure inside can recycle the cooling medium, reduce energy consumption, and meet environmental protection requirements.
The rotary drying and cooling machine realizes intelligent control during the drying and cooling process, and can be precisely adjusted according to the characteristics of the material and the process requirements to ensure the uniformity and stability of the product drying. At the same time, the machine also adopts advanced heat exchange technology, which can achieve high energy consumption ratio, energy saving and environmental protection, in line with the trend of industrial transformation and upgrading.
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