Working Ways of Sand Dryer Machine

     Date: 10-08-2015     From: Fote Machinery     Author: Fote Machinery

As a kind of dryer machine, sand rotary dryer is of great importance for industries like mining, ore beneficiation, construction materials and chemical engineering, etc. The working process of sand rotary dryer can be divided into two ways: down-flow and counter-flow. The two ways have different requirements. The following content will analyze the detailed demands for using the two ways respectively.

If you want to use the sand dryer machine in down-flow way, following demands should be met. Raw material should be highly sensitive to high temperature like coal and active mixture, etc. If we deal the above material with rotary sand dryer in counter-flow way, the finished products are easy to catch fire when meeting flue gas with high temperature. Raw material has high water content before being dried and not very low water content after being dried. Sticky material has high plasticity after being dried. Walls of rotary sand dryer in high temperature can reduce the chance of stickiness.

Sand rotary dryer in counter-flow way is suitable to deal the following raw materials. Inert materials with small water content inside after being dried are suitable. Since the inert materials are not sensitive to high temperature, residual moisture can evaporate as long as contacting with the flue gas with high temperature and low humidity. Raw material with small water content before being dried are suitable.

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