| 摘要 |
<p>Treating blasting material and blasting water, comprises collecting a mixt. of these, after blasting, in a tank (14) to be recycled for further use, feeding the mixt. through a retainer (16) for pre-sepn. of coarse mixt. particles, then allowing to settle in a settling region (18) above which a layer (20) forms contg. blasting water and contaminated floating particles. The settled mixt. is fed through a removal pipe (22) from the settling region, during which liq. from the layer (20) is fed to the opening of the pipe (22) so that this water to be purified is added to the blasting material/particle mixt. leaving through the pipe. Also claimed is a device to carry out the above process having a water removal snorkel (24) rising into the water layer (20) to carry liq. from here to the removal pipe (22).</p> |
