| 摘要 |
<p>A sedimentation tank contains a case 1 with walls 2, a cover 3 and a bottom 4, the back wall from one side has an aperture 5 closed by the filter 6, and from the other side the demountable bend 7 is attached to the aperture for removal of the cleared water, on the lateral walls the board 8 for protection of the filter is fixed. The cover in the place of the stream discharge has a lattice 9 for catching large fraction. The case is connected with a rack 10 by horizontal hinges and has a counterbalance 11.</p> |
