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Machinery For Spray Dryers
Feb 02, 2018

Sticky wall phenomenon is serious

The main performance is the drying room is full of sticky wet powder. The reason is that the feed volume is too large to evaporate fully, the drying chamber is not heated before the spray starts, and when the spray is started, the discharge of the material is too large and the liquid is unstable. To address the different causes of the problem, in turn, the following measures can be taken: to reduce the feeding quantity appropriately, to improve the inlet and outlet temperature of the hot air properly; When the spray begins, the flow should be small, gradually increase, adjust to the appropriate time, check whether the pipe is blocked, adjust the material solids content, ensure the liquid flow.

Product moisture content is too high

Exhaust air temperature is the main factor affecting the moisture content of finished product, so the reason of the moisture content of the products is that the exhaust temperature is too low. and the exhaust air temperature can be adjusted by the feed quantity. Therefore, the corresponding measures are appropriate to reduce the amount of feed to improve the exhaust air temperature.