Pneumatic and electric combined control automatic dust removal device

The utility model provides an automatic dust removal device with gas and electricity combined control. The automatic dust removal device comprises a main gas pipeline for supplying gas, a main water pipeline for supplying a water source and a dust remover communicated with the main gas pipeline and the main water pipeline, an electric ball valve is mounted on the main air pipeline, and a pneumatic ball valve is mounted on the main water pipeline; wherein the electric ball valve is started, the main gas pipeline is communicated through a gas path, and the pneumatic ball valve is started; when the electric ball valve and the pneumatic ball valve are closed, the water path can be closed simultaneously after the air path is closed, so that the situation that unatomized water in the water path flows into a roadway and an air path pipeline to damage other equipment in the air path after the air path is closed is prevented, and the service life of the electric ball valve can be effectively prolonged as only clean ai