UNDERFLOW FILTERING WATER INTAKE OF COMBINED DESIGN Russian patent published in 2014 - IPC E02B9/04 E03B3/32 

FIELD: construction.

SUBSTANCE: invention relates to hydraulic engineering, namely, to water intake facilities used for water intake in areas of rivers with complicated hydrological conditions. An underflow filtering water intake comprises a water collecting gallery 1, on top of which a filtering water intake is arranged, comprising a metal grid 2 and filtering flexible mats laid on top of it in two dense rows. Flexible mats are made of light fascines wrapped in a geonet. The first row 4 of mats is laid along the longitudinal axis of the gallery 1, and the second row 5 is laid across the gallery and in direction of the riverbed flow, and also with the inclination that is more than the inclination of the river bed.

EFFECT: increased reliability of water intake operation and provides for possibility of its use for drinking water supply to small settlements, individual enterprises and institutions, private households, and also as a reserve water intake, in case of emergencies in large settlements.

2 cl, 5 dwg