Rotary Dryer Equipment is a mechanical device that uses heat to dry materials containing moisture. The use of heat energy plays a very important role in the drying process. Therefore, the selection of heat sources for equipment providing heat energy is very important, and it is necessary to pay attention to the equipment energy-saving and low consumption conditions. There are many kinds of heat sources for Dryer Equipment, such as electric energy, natural gas, fuel oil, coal, etc. Different types of equipment have their own advantages and disadvantages, and the supplied equipment is also different. For example, electric heating should mainly be used in small dryer equipment, which is generally used in laboratories and dust-free workshops, because it does not have any pollution and can be quickly put into use when heating is fast. Natural gas, fuel oil, coal, etc. are used as energy sources. The heat source is mainly used in large-scale dryer equipment, and because of its large energy, it plays a very important role in industrial production. The heat source of the dryer can be coal, natural gas, etc., and the fuel suitable for them is selected according to the actual situation of the manufacturer, provided that the production cost is taken into consideration.