Rotary Dryer(Drying Machine)
The
rotary dryer is a type of industrial dryer employed to reduce or minimize the liquid moisture content of the material handling by bringing it into direct contact with a heated gas.
Rotary dryer is used for drying materials with a certain humidity or granularity in milling of ores, building materials, metallurgy and chemical industry.
Rotary drying machine has a strong adaptability of materials and it can dry various materials. The operation is very simple and reliable. For this reason,
rotary dryer is widely used in metallurgy, building materials food, light industry, chemical industry, coal,medicine and mining industries.
The
rotary dryer adopts direct flow type of heating with heat soure from firing unit. The material to be dried is pushed back immindiately by spiral board when enters the shell from feeding tank and feeding chute. Because
Rotary dryer is installed in slope, material flows to the back end under gravity and rotation force, meanwhile, it is lifted by board repeatedly and thrown down accordingly, which make the material form even curtain, and exchange heat sufficiently with inner the heat flow. In the end, water in the material is dried by repeatedly scattering.
Rotary dryer Working Principle: Materials are sent to hopper of
rotary dryer by belt conveyor or bucket elevator.The barrel is installed with slope to horizontal line. Materials enter the barrel from the higher side, and hot air enters the barrel from the according to users' needs.
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