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INVENTION
Patent of the Russian Federation RU2114319
WIND-HYDROCUMULATING POWER STATION
The name of the inventor: Smagin Konstantin Aleksandrovich
The name of the patent holder: Smagin Konstantin Aleksandrovich
Address for correspondence:
Date of commencement of the patent: 1996.08.05
The invention relates to wind and hydropower and can be used for electrification of small towns, enterprises and farms, as well as in high-capacity water-lifting devices for water supply and irrigation purposes. The VGNPP includes a low-pressure HPP connected to the upper accumulating pool, a water-lifting device connected to the lower and upper accumulation basins and a reservoir in the upper part of which there is a wind motor connected to the elevators via a reducer and a reservoir, Connected with a high-pressure underground hydroelectric power station. VGASES is equipped with a VU made in the form of a tower with a damper-type reservoir in the above-ground part and in the form of wells in the underground part with E connected to the HP via a two-stage reducer with switched gears, E being in the form of ball floats-pistons that act as a water lift Sliding in vertical pipe-cylinders, having a shutter for intermediate discharge of water. The low-pressure and high-pressure underground HPP and damper tank are combined into one unit with a VU, and its operation is carried out according to a two-stage scheme.
DESCRIPTION OF THE INVENTION
The invention relates to wind and hydropower and can be used for electrification of small towns, enterprises and farms, as well as in high-capacity water-lifting devices for water supply and irrigation purposes.
A wind-hydro accumulating power plant (VGASES) is known, containing a water-lifting device connected to the lower basin, whose role is played by the groundwater zone, and the upper basin, whose role is played by a reservoir in the upper part of which there is a wind motor connected to a water-lifting device and a power plant with discharge of spent Water in an open reservoir connected to the reservoir.
The disadvantages of this VGaES are the lack of accumulating pools that ensure the operation of hydroelectric power stations in the presence of wind of insufficient strength and in the absence of wind, the performance of water-lifting devices without units and units providing multistage and continuous operation, which limits the range of operating wind speeds, since the wind in this case must have Force sufficient to lift the water to full height, with a speed that ensures continuous operation of the hydroelectric unit, the use of groundwater inflow into the lower well, the area of which is limited by the size of the water-lifting device, as a lower basin, and a small water inflow can be expected with such filtration areas.
Water-lifting devices with elevators connected to a wind motor are known, the elevators being made in the form of one or two perforated rubberized belts.
The disadvantage of these water-lifting devices is their low efficiency when creating high-capacity units due to the construction of the elevator.
The aim of the invention is to increase the efficiency of a wind-hydroaccumulating power station by accumulating basins and increase the range of operating wind speeds as a result of the application of a new high-capacity water-lifting device operating in a two-stage scheme.
The goal is achieved by the fact that a wind-powered accumulation power plant containing a low-pressure hydroelectric power station (HPS) communicating with the upper accumulation pool, a water-lifting device connected to the lower and upper accumulating basins and a reservoir at the top of which a wind motor is connected to the elevators via a reducer; and The tank connected to a high-pressure underground HPP is equipped with a water-lifting device made in the form of a tower with a damper-type reservoir in the above-ground part and in the form of wells in the underground part with elevators connected to the wind motor through a two-stage reducer with switched gears, the elevators being in the form of Ball-float-pistons, which act as a water lift, sliding in vertical pipe-cylinders, having a shutter for intermediate discharge of water, a low-pressure and high-pressure underground HPP and a damper tank are combined into one unit with a water-lifting device, and its operation is carried out in a two-stage scheme.
Comparison of the claimed technical solution with the closest analogs and other technical solutions known in the art showed its compliance with the criteria of the invention.
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In Fig. 1 shows the layout of a wind-hydroaccumulating power station with an underground location of the HPP building; In Fig. 2 - plan of the damper tank at the upper water level; In Fig. 3 - plan of the water-lifting device at the upper water level in the upper basin; In Fig. 4 - plan of low-pressure and high-pressure HPP at the floor of the turbine hall; In Fig. 5 and 6 - a diagram of a new high-capacity water-lifting device operating in a two-stage scheme.
The hydroelectric accumulating power plant (VGaES) comprises a low-pressure hydroelectric power plant (hydroelectric power station) with hydroelectric unit 14, which is connected to the upper storage pool 11 by a hydraulic drive 15, a water-lifting device (Figures 5 and 6) connected to the lower accumulation pool 16 through the tunnel reversible water channel 17, with the upper accumulation pool 11, through a shutter valve 13 and a cylinder pipe 7, with a reservoir 8 in the upper part of which a wind motor is connected to the elevators via a reducer 3 and a reservoir 8 connected by a pipeline 9 to hydraulic units 10 of a high-pressure underground hydroelectric power station, 5 and 6) made in the form of a tower 18 with a damper type reservoir 8 in the aerial part and in the form of wells in the underground part with elevators connected to the wind motor through a two-stage reducer 3 with switched gears, the elevators being in the form of ball floats- Pistons 5 serving as a water lift sliding in vertical pipe-cylinders 7 having a shutter valve 13 for intermediate discharge of water. Low-pressure and high-pressure underground HPP and damper tank are combined into one unit with a water-lifting device, and its operation is carried out according to a two-stage scheme.
The work of the VGaES is carried out as follows, depending on the strength of the wind
In the presence of wind, the hydrounits of the 10 high-head HPP (the second stage) on the head and the costs of the damper reservoir are working with sufficient force 8. The amount of generated electricity is determined by the wind power and the volume of water supplied by the water-lifting device (Figures 5 and 6) to the damper tank 8. Each hydro- 10 operates within the optimum selected water flow.
The description of the operation of the hydroelectric power station and its hydrounits is well known, therefore it is not given.
The water-lifting device (Figures 5 and 6) thus works as follows.
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Wind-wheel 1, creating a torque on shaft 2, through a two-stage reducer 3 with toggle gears transmits rotational motion to the drive shaft 4 of the elevator, ball floats-pistons 5, moving upwards, take the water of their loading chamber 6, push it along the vertical pipe-cylinder 7 Into the damper tank 8. Here, a part of the cylinder tube 7 is completely filled with water, and the float-pistons 5 act as a water lift. From the damper tank 8 through the pressure line 9, water is supplied to the hydroelectric generating units 10 to generate electricity, excess water is drained into the upper basin 11 through the drain pipe 12. The productivity of the water-lifting device is determined by the wind speed, and its adjustment is effected by changing the speed of the wind wheel 1 and the two-stage reducer 3 with toggle gears, allowing separate activation of elevators. The speed control of the wind wheel 1 is achieved by turning its blades and switching the two-stage reducer 3. The wind wheel 1 is set to the wind with the help of a tail and an electric motor. Running of the wind wheel 12 is carried out at low speed and low speed of the elevators. In this case, the elevators are switched in turn.
In the presence of a wind of insufficient force, the hydraulic unit 14 of the low-pressure hydroelectric power station (the first stage) operates on the previously accumulated water volumes in the upper basin 11 and on the water coming from the water-lifting device through the valving gate 13.
In the absence of wind, hydroelectric unit 14 operates on previously accumulated water in the upper basin 11.
CLAIM
1. A wind-powered storage power plant comprising a low-pressure hydroelectric power plant (HPP) communicating with an upper accumulation pool, a water-lifting device connected to a lower and upper accumulation basins and a reservoir at the top of which a wind motor is connected to the elevators via a reducer and a reservoir connected to High-pressure underground HPP, characterized in that its water-lifting device is made in the form of a tower with a damper-type reservoir in the above-ground part and in the form of wells in the underground part with elevators connected to the wind motor through a two-stage reducer with switched gears, the elevators being in the form of spherical Float-pistons, which act as a water lift, sliding in vertical pipe-cylinders, having a shutter for intermediate discharge of water.
2. Power plant according to claim 1, characterized in that the low-pressure and high-pressure underground HPP and damper tank are combined into one unit with a water-lifting device, and its operation is carried out according to a two-stage scheme.
print version
Date of publication 02.04.2007gg
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