| 主权项 |
1. A hydro-electric power plant for a civil waterworks, the waterworks including a waterworks channel, traversed by a flow of water, and a waterworks structure with a bottom slab and side walls, the hydro-electric power plant comprising:
a downstream turbine unit including:
a turbine supporting structure in or parallel to a main plane of the turbine unit, the turbine supporting structure comprising
a closed main portion in which is located a cylindrical housing with upstream and downstream openings, andan upper portion with an opening, anda turbine with an impeller with blades, mounted in the housing, the turbine unit being configured to be in an immersed downward position in which the turbine unit is tilted from lower upstream to upper downstream; and an upstream grating assembly configured to allow an inflow of water and configured to be installed in and across the channel, the downstream turbine unit and the upstream grating assembly being operatively associated, the upstream grating assembly including:
a grating supported by a grating supporting structure and which, fulfilling a debris-stopping function, is configured to stop, on an upstream side, any debris carried by the flow of water that is larger than openings through the grating,a grating association system configured to associate the grating with the waterworks structure and/or with the grating supporting structure, configured to place the grating in and across the waterworks channel in an upright position in order to perform the debris-stopping function so that water free of debris travels through the impeller,
the grating association system having a structure that allows the movement of at least an upper portion of the grating such that the upper portion of the grating is configured for placement in one or the other of the upright position and a folded-down position in which the upper portion of the grating is located above, and at least slightly downstream of, an upper portion of an edge of the housing, in order to discharge, in the downstream direction and above said upper portion of the edge of the housing, the floating debris stopped by the grating, without the debris passing through the impeller, anda grating movement and retention system which, in response to a controller, is configured to move the grating from one to the other of the upright position and the folded-down position and to retain the grating in one or the other of the upright position and the folded-down position. |
