Device and method for removing particles on outer surface of front hood of vehicle body

The invention discloses a device and method for removing particles on the outer surface of a front hood of a vehicle body, the device comprises a main body frame, the upper part of the main body frame is connected with one end of a connecting part, and the other end of the connecting part is detachably connected with the inner surface of the hood; the lower part of the main body frame is connected with one end of the mounting part, the other end of the mounting part is detachably connected with the water tank cross beam, and the fixing part is detachably connected between the bottom end of the main body frame and the water tank cross beam; by means of the device, the hood passes through the cleaning tank or the electrophoresis tank in the opened state, liquid in a vehicle body chamber can quickly flow out of a gap between the tail end of the hood and an instrument desk when the vehicle body goes out of the tank body, the liquid in the vehicle body chamber is prevented from flowing to the surface of the hood,