WATER DISCHARGE SYSTEM FOR BRIDGE SURFACE Russian patent published in 2018 - IPC E01D19/08 

FIELD: water treatment.

SUBSTANCE: invention relates to systems intended for the intake, treatment and disposal of surface sewage from road and railway bridges. Bridge surface water discharge system, containing suspended water-receiving devices installed under the fluid flow apertures formed in the bridge web and equipped with removable filter modules, according to the invention, the fluid flow openings are in the form of through bends located on the pavement part of the bridge and through bends located on the side edge portions of the carriageway of the bridge near its paving part, as water-receiving devices used sewage wells made of polymeric material, mounted under the bridge on the pavement part of the bridge, the inlet of each well is communicated with one of the through branches located on the sidewalk part of the bridge, filtering devices containing filter media are used as removable filter modules, each of the filtering devices is detachably installed in one of the sewer wells, each well contains an inlet tubular element, the outlet end of which is located in the upper part of the well, and the inlet end of which is located outside the well and is equipped with a water intake element and is connected to one of the through branches located on the side edge portion of the carriageway section of the bridge, the filtering device is installed in the well with the passage through it of effluents entering the well through the inlet of the well and through the inlet tubular element, wherein each well comprises an outlet tubular element for discharging fluid from the well that has passed through the filter device into the environment.

EFFECT: simplification of the design and service maintenance of the bridge water discharge system with provision of local treatment of the withdrawn water.

1 cl, 1 dwg