Engine fuel nozzle belt cleaning device

The utility model provides an engine fuel nozzle belt cleaning device, belongs to cleaning equipment technical field, and it includes gas bomb, pneumatic circuit, liquid storage pot, fluid pressure line and special joint, the liquid storage pot is equipped with air inlet and liquid outlet, the air inlet that pneumatic circuit connects the liquid storage pot is passed through to the gas outlet of gas bomb, fluid pressure line one end is connected with the liquid outlet of liquid storage pot, and the fuel pipeline that the other end passes through special joint and engine is connected, be equipped with relief pressure valve and hand switch valve among the pneumatic circuit, the relief pressure valve is arranged between gas bomb and hand switch valve, two branch roads are connected to hand switch valve exit end, set up first air operated reversing valve in one of them branch road, set up the delay control mechanism that is used for controlling first air operated reversing valve switching -over action in another