Pumped storage plant (psp) and riverbed water wheel of hydraulic power unit

FIELD: power engineering.

SUBSTANCE: pumped storage plant on plain streams comprises riverbed hydraulic power units, including axial pumps, which are rotated by riverbed water wheels via multipliers. Riverbed hydraulic power units serve for filling of an upper accumulating pond made in the form of a water reservoir with dam walls along the perimeter. Upper and lower accumulating ponds are connected to each other by discharge pipelines with pumps-turbines in the lower part connected mechanically with electric motors - generators in a turbine room. The upper accumulating pond covers a river bed by half.

EFFECT: prevention of flooding of plains and land plots, free navigation and fish passage along entire length of a river, increased depth of a fairway and higher speed of water flow.

5 cl, 11 dwg

 

Famous underground pumped storage plant, comprising upper and lower cumulative pools interconnected by means of a pressure conduit, hydraulic units, auxiliary equipment on mine produced horizons [RF patents №№1828711, 1994, 2080432, 1997, 2301298, 2007].

The disadvantage of these hydroelectric power plants is limited to the amount necessary for the operation of water, a large difference of levels (up to 500 m), the necessity of using high-strength pipes for pumping water from the lower horizon at the top and large energy consumption.

Known also pumped storage power plant, for example, Zagorskaya PSPP (Sinyugin V.Y. and other pumped storage plant in modern electrical engineering. M: ANAS, 2008, s-118), comprising upper and lower accumulating pools interconnected by means of a pressure piping with pump-turbines in the lower part, connected mechanically with the motor-generators in the engine room, and reversing the recipient in the form of dams (prototype).

The disadvantage of hydroelectric pumped storage power plant of this type is that the dam completely blocks the river, flooding of the floodplain and lowland areas, the fish can't get into the upper pool to spawn cannot navigation.

Known hydroelectric power plant (WO 2007/131305 A1, 2211.2007, E02 is 9/00), contains upper and lower pools, located on the banks of the river, filling the upper basin occurs through pumps, driven turbines.

Presents the idea that there is no technical solution, turbines are located across the entire width of the river and interfere with navigation, they will be demolished when the first flood. The fairway is not deepened, the rate of water flow is not increased.

Known ruslovoi gidrokoleso to drive the generator through the multiplier, RF patent No. 2469207 containing the base with the stand, which rotates the shaft of the wheel measured including carriers, the ends of which are mounted the axis with blades and rollers, alternately rolling over the U-shaped guide track side.

The drawback of the prior art is that it does not provide a mechanism off the wheel when servicing gidrokolesa and the erection and dismantling.

The objective of the invention is to prevent water flooding of floodplains and low-lying areas, smooth navigation and fish passage along the entire length of the river, increasing the depth of the fairway and water velocity.

This is achieved by the fact that in pumped storage power plant (PSPP) in lowland rivers with channel gidroenergoresursamy, including axial pumps, resulting in rotation of the channel gidrokoles through multi is ligatory, servants to fill the upper accumulating basin, made in the form of a reservoir with wall-dams along the perimeter, and the upper and lower accumulating pools are interconnected pressure piping with pump-turbines in the lower part, connected mechanically with the motor-generators in the engine room, wherein the upper storage pool overlaps the channel of the river in half. For maintenance gidroenergoproektom over their modules arranged monorails with hoists mounted on supports in the form of columns, and the body of the dam side channel above the level of flood waters arranged road.

Ruslovoi gidrokoleso of gidroenergoproekta PSP to drive axial pump filling the upper accumulating basin containing the base with the stand, which rotates the shaft of the wheel measured including carriers, the ends of which are mounted the axis with blades and rollers, alternately rolling over the U-shaped guide tracks of the side walls, characterized in that the output of roller blades from them on the outer shelf of the U-shaped guide tracks are made of hinged gates, programmable hydraulic or pneumatic cylinders and fixed lever brakes. The hub carrier is connected with the shaft through an overrunning. For quick mounting and dismantling of the module gidrokolesa exhaust gas is deft stands and head stands have a semi-circular ears, tightening ring and wedge pin.

Figure 1 shows schematically the pumped storage power plant in lowland rivers with channel gidroenergoresursamy for filling the upper accumulating basin (top view); figure 2 - side view PSPP-side channel; figure 3 - filling the upper accumulating basin from above; figure 4 - the same, bottom; figure 5 - installation of monorails and roads, top view; figure 6 is the same (side view); 7 - ruslovoi gidrokoleso with three blades; Fig - view of the hinge area with a gear on the outer shelf guide track; figure 9 - connection of the tip rack and head; figure 10 is the same (in section); figure 11 - view And Fig.9.

In line 1 of the river there is an upper storage pool 2 in the form of a reservoir with wall-3 dams around the perimeter blocking the river in half and connected to the lower accumulating pool 4 pressure piping 5, building 6 PSPP pumps-turbine 7 and the electric motor-generator 8 and other equipment. Enter into the pipes 5 can be closed by valves 9. The filling of the basin 2 is installed blocks 10 channel gidrokoles 11, resulting in a rotation axial pumps 12 through the multipliers 13. Water accumulating in the upper pool is carried out by pipeline top 14 or 15 when she. When applying the top does not require a check valve, when the infeed pipe 15 is blocked by the shutter 16 or enter into an axial pump is equipped with louvered return valve (Fig. not shown). Vodopada-host dam 17 is connected with the shore by a bridge 18. Blocks of channel gidroenergoproektom fenced 19. For maintenance of channel gidroenergoproektom over the water are arranged in double row monorails 20 21 hoists fixed to the beams 22 with supports in the form of columns 23 and dam 24 from the side of the bed above the level of flood waters arranged highway 25 with section 26 for turning cars.

Ruslovoi gidrokoleso has a base 27 with the racks 28, which rotates the shaft 29 of the wheel measured including carriers 30, the ends of which are mounted axis 31 with blades 32 and rollers 33, alternately rolling on P-shaped section of the guide tracks 34 of the side walls 35. To turn the wheel with the output rollers of the blades of the guide tracks so that the wheel does not rotate on the outer shelf 36 of the U-shaped guide tracks are made of hinged gates 37, controlled hydro or pneumatic cylinders 38 and fixed in the closed position, the lever stoppers 39 and the hub carrier 30 is connected with the shaft 29 through the freewheel. The tip 40 of the rack 28 and the cylinder 41 are semicircular ears 42, contractible ring 43 and Klinova the pin 44. Fixing the wheel from longitudinal movement is PTFE bushings 45.

The bottom of the upper accumulating basin from water filtration lined with polyethylene sheets 2 mm thick and 10 m wide, welded butt. Lower storage pool is made in the riverbed bottom deepen the flow of water from the turbines, perimeter fenced.

PSPP suit on the low side of the coast plain of the river to the deep part of the channel to be free for navigation and fish passage. Due to the fact that perevarivaetsya half of the riverbed, the water velocity in the free zone significantly increases the depth of the river increases and installed block 10 channel gidrokoles through the multipliers 13 rotate axial pumps 12, which fill the upper buffer pool 2 water. For electricity generation open the gates 9 and the water under pressure in the piping 5 is supplied to the turbine blades pumps 7, rotating generators-engines 8.

At night, when the reduced consumption of electricity, pump-turbine 7 pumped the water from the lower accumulating in the upper basin. River channel gidroenergoproekta installed below the lower edge of the ice, so are all-season.

When the failure of gidrokoles, multiplier or axial pump replaces healthy, what OS is enableval module 10 gidrokoles 11 opening hinged gates 37. A circular guide track, a U-shaped cross-section is cut in the form of Windows on the working side of the shelf and the sides of the sections are not cut. When performing gidrokolesa rather two or three-bladed cut in the lower part of the guide track under 120°, because the upper blade is in the horizontal position. These cuts close hinged doors, shaped guide tracks and included in the box. When opening hatches rollers 33 of the blades 32 into a cut Windows and blades occupy a horizontal position, not sensing the water pressure. When closing hatches, hydraulic or pneumatic cylinders hinged hatches pressure rollers, squeezing them out of the Windows into the guide tracks.

Connection gidrokoles is couplings. Diver disables the clutch wedge knocks the pins 44 of the heads 41 racks, removes the ring 43, picking up gidrokoleso to the crane 21 monorails 20. Raise gidrokoleso and conveying it to the road 25, loaded on cars and taken away for repair. In place of the removed defective establish healthy gidrokoleso. Connection head 41 hours with the cap 40 may be different, quick. Get the roller blade guides, close the hinged gates 37 and run the unit gidroenergoproektom.

In winter, cut down the ice with a chain saw (electric), using the Telfes is. Ice is sent to the device refrigerators food. During the spring ice drift ice filed on channel gidroenergoresursamy melted down, opening the back of the grid 19.

Application of the proposed PSPP in lowland rivers prevents flooding of floodplains and lowland sites, provides free shipping in the summer (water transport is the most economical), significantly increases the productivity of fish due to the absence of obstacles, improves water quality (increase in dissolved oxygen, lack of flowering and the like). Damming half of the river increases the depth of the channel and the velocity.

1. Pumped storage power plant (PSPP) in lowland rivers with channel gidroenergoresursamy, including axial pumps, resulting in rotation of the channel gidrokoles through multipliers, serving for filling the upper accumulating basin, made in the form of a reservoir with wall-dams along the perimeter, and the upper and lower accumulating pools are interconnected pressure piping with pump-turbines in the lower part, connected mechanically with the motor-generators in the engine room, wherein the upper storage pool overlaps the channel of the river in half.

2. GAA who according to claim 1, characterized in that for maintenance of gidroenergoproektom over their modules arranged monorails with hoists mounted on supports in the form of columns, and the body of the dam side channel above the level of flood waters arranged road.

3. Ruslovoi gidrokoleso of gidroenergoproekta PSP to drive axial pump filling the upper accumulating basin containing the base with the stand, which rotates the shaft of the wheel measured including carriers, the ends of which are mounted the axis with blades and rollers, alternately rolling over the U-shaped guide tracks of the side walls, characterized in that the output of roller blades from them on the outer shelf of the U-shaped guide tracks are made of hinged gates, programmable hydraulic or pneumatic cylinders and fixed lever brakes.

4. Ruslovoi gidrokoleso according to claim 3, characterized in that the hub carrier is connected with the shaft through an overrunning.

5. Ruslovoi gidrokoleso according to claim 3, characterized in that for quick mounting and dismantling of the module gidrokolesa head stands and head stands have a semi-circular ears, tightening ring and wedge pin.



 

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3 cl, 6 dwg

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