Electrostatic Paint Spraying
There are 3 main variants in electrostatic paint spraying systems:
1 . High Pressure 2 . Low Pressure 3 . Water Based
Main components for the system are:
1 . Electrostatic Gun 2 . Hose and Lead set 3 . Electrostatic Control box
The three kinds of charging methods for an electrostatic sprayer are corona, contact, and induction charging. Induction charging has low charging voltage, and this method is the safest of the three. Insulation is easy to implement because the electrodes of the sprayer and the droplets are separated (Edward, 2001; Lv, 2009). Figure 1 shows the working principle of the inductive electrostatic sprayer. The anode grounding and the negative electrode of the electrostatic generator combine with annular electrodes. The pesticide pumped from the tank through a nozzle forms droplets. The electric field between the electrode and the liquid jet charges the droplet induction. The negative charge of the droplets can be attributed to the attraction to positively charged objects, which facilitates directional movement adsorption on the surface of the target.