FIELD: hydraulic building, particularly fish protective devices included in water intake structures.
SUBSTANCE: fish protective device comprises filtering screen made as latticed case dilled with three-dimensional filtering members, which may slide inside the case, rigid horizontal plate connected to drive by means of control-rods and arranged inside latticed case so that it is transversal to side surfaces thereof. Three-dimensional filtering members are located from both sides of the plate and made as hollow vertical cylinders with corrugated perforated side surfaces. The cylinders are arranged in several rows along latticed case width and length. End cylinder parts adjoining plate are rigidly connected to it. Opposite end parts are connected to lower and upper parts of latticed case in the same manner.
EFFECT: increased efficiency of young fish protection against ingress in water intake structure.
2 cl, 6 dwg
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RU2276706C1 |
