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Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating

A technology for hydropower stations and turbines, applied in the directions of hydropower stations, hydropower, traditional hydropower energy, etc., can solve the problems of unsuitable devices, expensive automatic cleaning systems, and inconspicuous integration.

Inactive Publication Date: 2014-03-26
MJ2 TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Furthermore, the automated cleaning systems required are expensive, bulky, and not well suited for integration in an unobtrusive or aesthetically pleasing manner
[0014] Document FR-A-2835548 discloses a linear articulated module for unblocking grids, comprising a scraper supported at the end of a movable arm, which, as already pointed out earlier, makes this device unsuitable

Method used

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  • Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating
  • Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating

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Embodiment Construction

[0072] We will now refer more specifically to figure 1 and 2 , which schematically represents a hydroelectric power station 1 built on and associated with a domestic water supply system 2 .

[0073] The domestic water supply system 2 comprises a channel 3 for the flow of water F and a structure 4 having a floor or bottom 5 and two walls forming side walls 6 .

[0074] The following description is produced with reference to the example of a hydroelectric power plant 1 being installed at a location at a domestic water supply system 2 . However, the invention also covers examples in which the hydroelectric power plant 1 , or components or parts thereof, are not fitted at a location at the domestic water supply system 2 .

[0075] Terms such as "upper", "lower", "top", "bottom", "above", "contour", "upright", "fold down", "skew", "slope", "upstream", " Downstream", "horizontal", and "vertical" are to be understood as arrangements relative to where the hydroelectric power plant ...

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Abstract

The invention relates to a power plant which operationally combines a downstream turbine unit (7) and an upstream grating assembly (8), which includes a grating (16), a supporting structure (17), and a means (18) for associating the grating (16), which has a structure that enables movement of at least the upper portion of the grating (16) between an upright position for the debris-stopping function and a folded-down position for discharging the floating debris stopped by the grating (16).

Description

technical field [0001] This invention relates to the protection of turbines of hydroelectric power stations on domestic water supplies from water-borne debris which, if passed over the turbine's impeller, is likely to deteriorate or affect performance. The present invention relates more particularly to the removal of floating debris blocked by the grids fitted to the grid assemblies of such hydroelectric power plants, without such debris passing the impellers of the turbine units. [0002] The invention relates to an example of a known type of hydroelectric power plant comprising a turbine unit comprising: [0003] ■ a support structure in or parallel to the main plane of the assembly, comprising a closed main part in which a cylindrical housing with upstream and downstream openings is located, and an upper part with openings, [0004] and turbines with impellers, in particular with blades that can be more or less skewed, installed in the housing, which can have a submerged l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03B11/08F03B13/08F03B3/04E02B8/02F03B3/14
CPCE02B5/085F03B13/08Y02E10/223Y02E10/22F03B3/14Y02E10/226E02B8/023F03B3/04E02B9/04F03B11/08Y02E10/20B01D29/965B01D35/02
Inventor J·冯克内尔
Owner MJ2 TECH
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