| 摘要 |
This is a machine for the primary treatment of urban and industrial waste water, which has the purpose of separating the liquid portion from the solid portion, consisting of settleable and not settleable substances of the type employing a single compact metal structure, which comprises a tank (1) for the collection of waste water, in which a front decantation zone (4), where the waste product to be treated is poured, and a rear filtration zone (5) are present. This machine is characterized in that the front decantation zone (4) and the rear filtration zone (5) are kept mutually separated or made mutually communicating by means of a motorized sliding gate (2, 3) which allows, on the upper part, the discharge, by overflowing, of the liquid and of the not settleable solid portion, and on the lower part, by means of an adjustable opening, it allows the outflow of the settled solid portion, such as sand, soil, rocks, gravel and various pebbles. The invention also relates to a process that uses the machine of the invention. |
