转筒式烘干机简称烘干机是一种处理大量物料的干燥器。由于运转可靠、操作弹性大、适应性强、处理量大，广泛使用于冶金、建材、食品、轻工、化工、煤炭、医药矿产业中。回转转筒干燥器一般适应于颗粒状物料，也可用于部分掺入物料的办法干燥粘状膏状物料或含水量较高的物料。它的优点是生产能力大、适用范围广、流量阻力小、操作上允许波动范围较大、操作方便等。常用于烘干沙子、矿粉、煤泥等。
　　Rotary dryer is shorted for dryer which is a kind of airer can handle a lot of material. As it is reliable and flexible to operate, and has strong adaptability and large handling capability which is widely used in metallurgy, building materials, food processing, light industry, chemicals, coal, medicine and mining industries .Rotary cylinder dryer apply to the granular materials in general, and can also be used for drying sticky paste-like materials or materials with high water by mixing some materials. It has the advantage of large capacity and wide range of adaptability and small flow rate resistance, allow large fluctuations in the operation, and is convenient to operate and so on. Commonly ,it is used in drying sand, slag, coal and so on.
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