Potato starch drying machine
During the potato starch industrial production , the potato starch drying machine is very important machine of the starch last process . The final potato starch quality is depend on the potato starch drying machine process.
Potato starch drying machine is defined as the drying of particles that are suspended and conveyed in a hot air stream.Drying starch using a flash potato starch drying machine is the most economical drying method. The whole process is fully automatic requiring no handling or human involvement. The feed rate is adjusted automatically as per the variation in moisture content in wet cake thereby achieving consistent product quality.
The principle of potato starch drying machine is to evaporate surface moisture instantaneously. It is well known fact that the surface area of wet lump increases as the size of lump decreases. The wet cake is disintegrated into fines to increase the surface area.
Operation principal of potato starch drying machine :
Wet starch cake is fed into feed mechanism. The screw feeder gives controlled feed at rated capacity to disintegrator. The air is heated after passing through air filter. Hot air and wet starch cake get thoroughly mixed in the disintegrator. Drying duct conveys the pulverized material to cyclone and drying gets completed in conveying duct.The time taken by disintegrated powder to travel through drying duct is called residence time of drying. The material loses moisture that is absorbed by hot air. The temperature of air reduces while its humidity increases. Powder is further dried in cyclone. Separation of dried powder and air takes place in cyclone. Powder is discharged from cyclone through powder air-lock. As per customers requirement there is option of using bag filter to maximize the efficiency.
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