| 摘要 |
Disclosed is a blasting device. According to an embodiment of the present invention, the blasting device includes: a chamber storing abrasives; a supply line having an end connected to the chamber; a blasting gun connected to the other end of the supply line, spraying the abrasives, supplied from the chamber, and absorbing the same again; a collecting line connecting the blasting gun and the chamber to collect the abrasives, absorbed by the blasting gun, into the chamber; and an ejector installed in the collecting line, and providing absorbing force to absorb the abrasives through the blasting gun. |
