There is no need for large and small gear transmission, and the supporting wheel is used for transmission.
Materials enter the inner side of the drum through the feeding device to realize the current flow drying process, then the materials enter the middle layer of the inner wall through the other end to realize the counter current drying process. They are lifted over and over in the middle layer which advances in two steps forward and one step back way.
The three-drum dryers absorb heat from both the inner drum and middle drum, which extends the drying time and realizes the best drying condition. Finally, materials fall into the external layer of the drum from the other end of the middle layer, processing in a rectangle multi-loop way. The dried materials move quickly out of the drum under the hot air, while the wet ones remain because of their weight.
Materials are dried completely inside the rectangle shoveling plate and then cooled by the single drum cooler, thus finishing the whole drying process.
|Model||Diameter of outer cylinder(m)||Length of outer cylinder (m)||Drum volume(m³)||Rotation speed(r/min)||Max. air flow temperature(℃)||Production capacity(t/h)||Power(kw)|
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