主权项 |
1. A spraying apparatus of water and air having effected 4D, comprising:
a nozzle including one spraying port and first, second, and third inlets; a main air line having one end connected with the first inlet of the nozzle; a first air line having one end branched from the other end of the main air line, including a first regulator and a first solenoid valve, and having the other end connected with an air supply source; a second air line having one end branched from the other end of the main air line, including a second regulator and a second solenoid valve, and having the other end connected with the air supply source; a water line having one end connected with a second inlet of the nozzle and the other end connected with a water supply source; and a third air line having one end connected with the third inlet of the nozzle, including a third regulator and a third solenoid valve, and having the other end connected with the air supply source; wherein when the air is sprayed, the first solenoid valve or the second solenoid valve is maintained in an opened state and the third solenoid valve is maintained in a closed state, and when the water is sprayed, the third solenoid valve and the first solenoid valve or the third solenoid valve and the second solenoid valve are maintained in the simultaneously opened state. |