Sand dryer in the drying process of humidity and particle size range of materials have certain requirements, common for dry mortar sand used in industry as well as various models of sand used in the foundry industry. Different sectors of the water requirements of the material after drying is not the same, the water can reach the final material 0.5-1%, and in full compliance with the requirements of the various sectors of the water. Sand dryer is in Germany to introduce heat exchange technology developed on the basis of three concentric cylinders of different diameters in accordance with certain mathematical relationships and structure sludge dryer equipment, combined with each of the mutual mosaic combination a. This particular structure can form an insulation system, which inner surface of the heat in the cylinder to participate in the heat exchange outer layer tube material sludge dryer use, but at the low end of the outer tube of hot air, can reduce the cylinder area to dissipate heat losses and Henan sludge dryer, full use of waste heat, increase the heat exchange area, reducing heat loss and improve the thermal efficiency. To date, the domestic common sand dryer, mostly angular tower dryer and hot sand sand dryer mesh cylinder type. The role of the advantages of these two dryer is extremely similar, and both have a large range of precipitation, less time investment, small footprint, sand color after drying and good. Basically represents the direction and level of development of the dryer. While it is undeniable that our dryer has more advantages, but its foreign advanced dryer and there is still a lot of drawbacks. Sludge dryer manufacturers | Sludge dryers | Kuwait Heavy by Heavy Machinery Factory of Gongyi City, Kuwait. Heavy machinery factory Gongyi City Kewei (www.hgsbw.com) strong, credible, in Zhengzhou, Henan metal packaging machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Kuwait Heavy and you hand into the brilliant, for a better future!