本实用新型涉及一种高效节能蒸发干燥装置，包括回转滚筒、加热箱、支撑架、驱动机构以及喷洒机构，所述支撑架上安装有加热箱，所述加热箱内通过驱动机构还安装有回转滚筒，所述回转滚筒内装有多个干燥导热球，所述回转滚筒上制有多个小孔和多个抄板，所述回转滚筒内顶部还设置有喷洒机构，所述加热箱的上、下部分别对称设置有出风管和进风管。含盐废水经喷洒机构喷洒在干燥导热球表面，热气体进入到回转滚筒，将干燥导热球表面的液体加热蒸发和干燥，同时启动驱动机构，驱动机构带动回转滚筒转动，带动回转滚筒内的干燥导热球之间相互碰撞摩擦，将盐分残渣研磨成粉尘，并随加热气体排入到残渣收集装置。本实用新型结构简单，传热面积大，热能利用率高。

The utility model relates to an efficient and energy-saving evaporation and drying device, which comprises a rotary drum, a heating box, a support frame, a driving mechanism and a spraying mechanism.Described in the supporting frame equipped with heating box, described the heating rotary drum is through the drive mechanism is installed in the cabinet, described in the rotary drum is equipped with multiple dry heat conduction inside the ball, described rotary cylinder system with multiple holes and multiple copy board, described in the rotary drum setting of the top also has a spraying mechanism, described in the heating box, the lower symmetry respectively set up out of the duct and the duct.Saline wastewater by spray body spray in the dry heat conduction ball surface, hot gas into the rotary drum, the dry heat conduction on the surface of the liquid heating evaporation and drying, and start driving mechanism, driving mechanism drives the rotary drum rotation, drive the rotary drum drying heat conduction inside the ball collisions between friction, salt grinding scraps into dust，and the heated gas is discharged into the residue collection device.The utility model has the advantages of simple structure, large heat transfer area and high heat utilization rate.