| 摘要 |
<p>An apparatus for blasting a surface (S) with granular material, which apparatus consists substantially of a feed tank (1) for the material, a blasting head (4), a separator device (5) for separating removed dust and granular material, a filter device (9) and a conduit system connecting the tank, the blasting head and the devices, in addition to a vacuum generator (11) arranged behind the filter system for generating a pressure difference over each part of the apparatus, wherein a lock member (20) for feeding dust and/or granular material is arranged in a dividing wall of a device and the surrounding environment.</p> |
