FIELD: agriculture.
SUBSTANCE: invention relates to agricultural reclamation in the combined irrigation systems, when water protection measures, when the introduction of sewage and livestock wastes in irrigation systems from distribution pipelines, as well as for the release (discharge) of treated wastes to channel water courses (rivers, streams, and so on). The device includes a storage pond (1) of discharge water and a discharge gravity pipeline divided into two unequal parts. One part is a feeding one-piece tube (2) and the second part is made as an outlet discharge perforated tube (3), an ejector assembly is located between them. The ejector assembly consists of a suction chamber (4), an active nozzle (5) directed to the cone (6) connected to the outlet discharge perforated tube (3). On the outlet discharge perforated tube (3) with holes the polyethylene risers (7) with the scattering discharge outlets (8) are arranged. The internal cavity of the scattering discharge outlets (8) is provided with a nozzle-divider having a diamond shape with concave side walls. For the ability to protect against back flow of water to the scattering discharge outlets (8) they are provided with flexible diaphragms in the form a rubber, communicating with the nozzle-divider and the water outlet openings on the outside. The feeding one-piece tube (2) and the outlet discharge perforated tube (3) are fixed by means of piles-risers (14). The ejector assembly is also provided with a supply pressure pipeline (15) of clean water for additional dilution of the drainage water in the outlet discharge perforated tube (3). This achieves the effect of intensification of the drainage water dilution.
EFFECT: simple design and installation, reliability in operation, and also the fish protection function of the facility construction is provided; the device is protected from corrosion in the underwater horizon.
3 cl, 3 dwg
