INTAKE HEAD-PIECE OF SUCTION DREDGER

摘要

FIELD: hydraulic engineering. SUBSTANCE: this is used for excavating sandy gravel grounds by means of hydraulic suction dredgers. Intake head-piece is of symmetric configuration with round inlet hole and stationary stream guiding ring. Body of head-piece is provided with widener of hydraulic slurry flow being drawn in. Widener is streamlined in shape and has washing-out and injection hydraulic nozzles at its ends. EFFECT: higher efficiency. 1 dwgc