DISCHARGE WATER CONDUIT OF HYDRAULIC ACCUMULATING ELECTRIC STATION Russian patent published in 2010 - IPC E02B9/02 

FIELD: power engineering.

SUBSTANCE: discharge water conduit of hydraulic accumulating electric station (HAES) includes input head, transition section, water conduit, anchor support, knee of discharge water conduit and flow-guiding element. Discharge water conduit is equipped with support gasket, utility gallery, connecting pipeline, nozzle with stop valves, fixing longitudinal and transverse sealing tapes. Flow-guiding element is arranged in the form of elastic shell, besides support gasket is arranged between water conduit and anchor support, utility gallery is installed in body of anchor support, connecting pipeline is mounted into body of anchor support and is arranged so that its part passes directly through utility gallery. Nozzle with stop valves is installed on connecting pipeline in utility gallery, flow-guiding element is arranged on inner side of water conduit in the area of its knee, fixing longitudinal and transverse sealing tapes are also installed inside water conduit directly at the edges of flow-guiding element and in its middle part. Flow-guiding element is fixed in water conduit so that its longitudinal edges are arranged in middle part of opposite side inner surfaces of water conduit parallel to axis of water conduit and fixed to its wall with the help of fixing longitudinal sealing tapes and pins, and transverse edges of flow-guiding element are arranged on opposite sides of knee: one - from upper side of knee, the other one - on lower side of knee, both - on lower inner surface of water conduit in plane perpendicular to axis of water conduit, and fixed to its wall with the help of fixing upper and lower transverse sealing tapes by means of pins. Directly on knee flow-guiding element is also fixed to wall of water conduit with the help of fixing medium transverse sealing tape by means of pins, which provides for formation of upper and lower cavities between flow-guiding element and inner surface of water conduit. Upper end of connecting pipeline is connected to upper cavity formed by flow-guiding element and inner surface of water conduit, and lower end of connecting pipeline is connected to lower cavity.

EFFECT: reduced losses of flow energy in discharge water conduit, reduced material intensity, labour intensives of water conduit elements manufacturing and its cost, increased reliability of discharge water conduit operation.

4 dwg