Pumping means intended for being trailed by a trailing suction hopper dredger and trailing suction hopper dredger equipped with such pumping means

摘要

Pumping means (1) for use on a dredger (2) comprising a skid structure (3) with a bottom (4) intended for being trailed over an underwater soil (5) by means of trailing wires (6) suspended from a trailing suction hopper dredger (2), a submergible pump (7) being installed in or on the skid structure (3), a suction tube (10) provided with a dredge drag head (14) which extends from the submergible pump (7), the suction tube (10) comprising means for varying the dredge drag (14) inclination with respect to the bottom (4) of the skid structure (3) according to a desired inclination angle (A) and a flexible discharge pipe (11) being provided at an outlet (9) of the submergible pump (7).