RU127766U1 - CHANNEL HYDRO POWER PLANT - Google Patents

Abstract

Run-of-river hydroelectric power plant, including a hydroelectric power station building, a water conduit, a working chamber located in the water conduit wall, a turbine, the vertical shaft of which is in alignment with the water conduit wall, characterized in that the hydroelectric power station consists of one or several blocks containing water conduits, in which there is one turbine, the lower end of the shaft of which is located at the base of the block.

Description

The utility model relates to hydropower and hydraulic structures and can be used in the production of electricity.

An analogue and prototype to the claimed technical solution is a hydroelectric power station (RU 1865 U1 MPK Е02В 9/00), including a water conduit, a working chamber located in the water conduit wall, a turbine whose vertical shaft is in alignment with the water conduit wall and fixed in the water conduit base. Such a hydroelectric power station involves the creation of backwater within the shores of a watercourse. The disadvantages of the prototype are: the presence of the natural conduit of the natural base, which can lead to erosion and unstable operation of the turbine or its breakdown; loss of pressure of the flow running on the turbine blades due to the fact that part of the flow will pass along the open surface of the water conduit above the turbines and in the space between the turbines.

The objective of the proposed utility model is to increase the power of the prototype turbine and increase its stability in the operating mode.

The indicated results are achieved in that the building of the hydroelectric power station consists of one or several blocks containing water conduits, in which there is one turbine, the lower end of the shaft of which is located at the base of the block.

The proposed design of one of the blocks of the Channel Hydroelectric Power Station is illustrated by the drawings shown in figures 1-3, and photographs of the layout of the block.

Figure 1 shows the block (front view).

Figure 2 - the lower part of the block with conduits and turbines (top view).

Figure 3 - turbine.

The positions in the drawings indicate:

1 - block building;

2 - water conduit;

3 - working chamber;

4 - turbine.

Block 1 is made of reinforced concrete or other material at a stationary construction site, for example, in a construction dock. Water conduits 2 are located on the base of the block. The working chamber 3 of the turbine and the wall of the conduit in which the chamber is located are one piece. The vertical shaft of the turbine 4 is in alignment with the wall of the conduit. Thus, only the turbine blades, blocking the cross section of the water conduit for the greatest possible power take-off, provide resistance to the flow moving through the water conduit. The presence of a single turbine in the water conduit is sufficient to select the flow power. The lower end of the turbine shaft is fixed at the base of the surfacing block, which contributes to the stability of the turbine during its operation.

The channel hydroelectric power station operates as follows.

In the construction dock, a block of the hydroelectric power station building is executed with all its elements, then it is flooded at the hydroelectric station's workplace. Similarly, several more similar blocks can be installed in the channel of the watercourse.

The blocks of the hydroelectric building create water backwater. To create backwater, one or more floating block locks can be used, the purpose of which can be not only the creation of backwater, but also the passage of flood waters, ice, construction waste, water transport, spawning fish. The choice of backwater within the shores of the watercourse eliminates the flooding of useful lands and allows you to create a pressure at which the stable operation of the block of the hydroelectric power station building and its elements, in particular, the turbine, is ensured.

In operating mode, a stream of water enters the conduit, rotates the blades of the turbine located in the working chamber.

In the mode of small-scale experiment, when a block model was immersed in a small watercourse, the turbine showed stable operation for various retaining levels created within the coast of the watercourse.

Claims (1)

A channel hydroelectric power station including a hydroelectric power station building, a water conduit, a working chamber located in the water conduit wall, a turbine whose vertical shaft is in alignment with the water conduit wall, characterized in that the hydroelectric power station building consists of one or several blocks containing water conduits, in which there is one a turbine whose lower end is located at the base of the block.

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