Ventilation module for an aero-refrigeration tower including a free wheel for drawing in outside air and for outputting air

Air-cooling tower comprising a mixed unit comprising an air humidification device and a passage as a by-pass and a dry unit, with the dry unit being superimposed on the mixed unit, with the tower further comprising a ventilation unit, with the mixed unit being superimposed on the ventilation unit, and wherein said ventilation unit comprise a freewheel for drawing outside air and for discharging air in the upper portion of the ventilation unit, the freewheel has two faces, a rear face and a front face, said freewheel draws the outside air according to the direction of the axis of rotation of said freewheel by the front face and discharges the air radially to the axis of rotation of said freewheel, the ventilation unit being passed through by at least one drawing passage of outside air and by at least one air discharge passage, said at least one air discharge passage being configured to direct the flow of air to the front of the plane formed by the front face, opposite the rear face.