| 摘要 |
<p>1. Machine for the recovery of the constituents of concrete, in particular concrete residues obtained by rinsing concrete mixers, comprising a pit into which the rinsing water and concrete residues are tipped, an endless stripping-off band mounted in this pit and driving means to rotate the stripping-off band and to extract the constituents composed of gravel and sand from the pit, characterized in that the pit is at least partly in the form of an inclined ramp (1), in that the stripping-off band (6) is borne by a frame (5) which is mounted to pivot at the top of the ramp (1) and in that the frame (5) is connected to raising means to pivot is between a raised, non-operative position out of the pit and a lowered, operative position in which the stripping-off band (6) rests on the solid phase of the concrete and rinsing water mixture (3).</p> |
