CLOSED-CYCLE HYDROELECTRIC PLANT Russian patent published in 2013 - IPC E02B9/00 

FIELD: power industry.

SUBSTANCE: hydroelectric plant includes a housing made in the form of a vertical cylindrical chamber and a cylinder installed inside it at some distance, which form a composite channel, a compressor station interconnected via an air pipeline to a receiving chamber, a hydrojet turbine with the main generator, which is installed at the outlet of the turbine pipeline located in upper part of the receiving chamber, working fluid storage and level sensors. The plant is equipped with Pelton-type turbines with generators, the first and the second elevated tanks, additional level sensors, one of which is located in the first elevated tank, and the second one is located in the second elevated tank, and an air tank interconnected via an additional air pipeline with a check valve to the first elevated tank. Elevated tanks are installed inside upper part of the cylinder. The first elevated tank has the shape of a funnel, which is connected in the middle to the turbine pipeline. The second elevated tank is put on the first elevated tank and equipped with pressure hoses located in the first tank so that their outlets are located above the funnel opening of the first elevated tank. Pelton-type turbines are installed opposite nozzles of the hydrojet turbine along the perimeter of the receiving chamber. The receiving channel connects the receiving chamber to the second elevated tank. The storage is located in upper part of the housing. On pressure hoses and at the inlet of the turbine pipeline there installed are valves, and on some shafts with turbines there installed are flywheels.

EFFECT: lower consumption of power required for water return to water storage reservoir.

5 dwg