| 摘要 |
<p>An electrostatic spraying device (100) is provided with a spray electrode (1) and a reference electrode (2), and is provided with: a groove (8) formed on the device surface and used for recovering a substance deposited on the device surface; and a substance recovery part (9) for recovering the substance recovered by the groove (8) into the interior of the device itself from the groove (8). The substance recovery part (9) is formed as a trapezoidal opening part, and, when the device itself is stood erect, the shorter of the upper base and the lower base is positioned on the lower side in the direction of gravity.</p> |
