Recently, our company for a building materials customer customized three cylinder sand drying machine complete set of equipment manufacturing, testing qualified and deliveried. Sand is indispensable in national construction of building materials, wet sand especially mechanism sand after washing contains a lot of water, increase the cost of sand transportation and processing, Henan Kolev environmental protection series sand drying machine complete equipment, using three cylinder structure, effectively save equipment covers an area, while improving the utilization of heat energy, energy consumption is small, single processing capacity is large. It can be configured with electric heating, natural gas, coal and other furnace types to meet the diversified production needs of customers. It is the ideal drying equipment for river sand, yellow sand, type sand, mechanism sand, quartz sand, tailings sand, activated carbon powder and other raw materials.