Automatic vehicle flushing system for coal mine

The invention discloses an automatic vehicle flushing system for a coal mine, which comprises a vehicle flushing area. Flushing pipe networks are arranged on the two sides of a road of the vehicle flushing area. The flushing pipe network is controlled by a programmable controller; after a vehicle enters the vehicle flushing area, an infrared induction switch transmits a signal to the programmablecontroller to control a flushing pump and a flushing valve to be opened, flushing a vehicle is started, and after flushing is completed, the vehicle is driven out of the vehicle flushing area; the infrared induction switch transmits the signal to the programmable controller again to control the opening of a water return valve and close all the flushing pumps and the flushing valves; flushing sewage is gathered into a water collecting tank under the action of a water retaining wall and a drainage ditch; and a rotary discharge pump set between the water collecting tank and a sedimentation tank transfers the accumulated