The carrier of the sand dryer is a three-return drum dryer, that is, a three-cylinder dryer. The structural characteristics of the dryer greatly improve the heat utilization rate of the sand dryer, reduce fuel consumption, and at the same time, because The sand travels inside the tumble dryer in two backwards and one forward mode, and is repeatedly heated, so the duration is prolonged. Therefore, the overall length of the three-drum dryer is shorter than that of the single-drum dryer, so the scene area is small.
The technical system of the sand dryer using a three-return drum dryer is mature and stable. Wet material enters the three-cylinder drum through the feeder. Here, the engineering of the unloader has certain standards: The inclination angle should be greater than the natural inclination angle of the material, usually greater than 45 ° and 60 to 70 °, so that the material can enter the drum smoothly. There are many types of feeders. Star feeders, screw feeders, and disc feeders are more commonly used for rotary drum feeding. In order to avoid air leakage at the feeding place, the tightness of the star feeder is better.
The more mature the technology of the sand dryer manufacturer, the lower the later operating cost and the overall project cost. Therefore, no matter how large the model or the price of the sand dryer, the basic requirement is that the technology system of the dryer manufacturer can withstand the practice test.
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Dingli company of website: http://www.feeddryer.com/
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