Efficient evaporator

The utility model discloses an efficient evaporator, which belongs to the technical field of evaporators and comprises a preheating device and a heating box, the preheating device is provided with a water inlet, the water inlet is connected with the heating box through the preheating device, the heating box is provided with an air outlet, and the air outlet is connected with the preheating device. The problems that an existing evaporator is low in heating speed and low in efficiency during heating can be solved. 本实用新型公开了一种高效蒸发器，属于蒸发器技术领域，其包括预热装置和加热箱，所述预热装置上设置有进水口，所述进水口通过预热装置与加热箱连接，所述加热箱上设置有出气口，所述出气口与预热装置连接。本实用新型可以解决现有蒸发器在加热时，加热速度慢，效率低的问题。