| 摘要 |
<p>A plant for purifying effluent waters consists of capacity, grids pack with carriers for immobilizing microbial cells of activated sludge, cover with openings above the grids pack, and rope. The block-and-tackle system consists of drive shaft being rotated from the reversible electric engine with electric timer. On the shaft a wheel of certain width is fixed having a partition on the periphery (or two double wheels); ends of rope and of two (or one) wheel are fixed thereto from different sides on lower rolls which do not rotate, and the rope overpasses them, having on one branch a spring damper through which a grids pack with carriers is rigidly fixed, and having a fixed counterweight on thesecond one.</p> |
