Wind turbine generator blade deicing device

The utility model relates to the technical field of wind turbine generator blade deicing, in particular to a wind turbine generator blade deicing device which reduces energy consumption and heat loss in the transmission process of an ice melting agent. A wind turbine generator blade deicing device comprises a deicing control system and further comprises a cabin, blades are rotationally installed on one side of the cabin, a spraying mechanism is rotationally installed at the top of the cabin, and two rotary driving mechanisms which are used for driving the spraying mechanism to rotate and are distributed in a bilateral symmetry mode are arranged on the outer side of the spraying mechanism. The vertical length of the spraying mechanism is not smaller than the length of the blade, an agent box is fixedly connected into the cabin, an electric heating pipe is installed in the agent box, the agent box is communicated with the spraying mechanism through an output pipe, and the output pipe is communicated with the ag