Pumped-storage plant

FIELD: hydroenergetics, particularly water-power plants, namely pumped-storage plants, which generate power in on-peak period.

SUBSTANCE: pumped-storage station comprises upper and lower accumulation pools connected with each other by means of pressure waterway, hydroelectric generators and supplementary equipment. Upper accumulation pool is arranged in completed breakage heading of upper horizon adjoining shaft or in waste dump formed on ground surface during deposit development. Lower accumulation pool is located in completed breakage heading of lower horizon adjoining the shaft. Each accumulation pool located in completed breakage heading is made as breakage headings communicated with each other through cross headings passing through barrier pillars in upper and lower parts thereof. The breakage headings are separated from active mines with water-tight partitions and connected with atmosphere through inclined cross-headings extending from the shaft. Hydroelectric generators are installed in headings made at shaft bottom in lower horizon. Pressure waterway is arranged in shaft.

EFFECT: decreased costs for pumped-storage plant erection.

1 dwg

 

The invention relates to the field of hydropower, namely the peak pumped storage power plants, which produce electricity during the hours increased its demand.

Pumped storage power station in the hours of surplus electricity in the power system consumes her, pumping water from the bottom basin to the top, and in the hours of high consumption of electricity is produced at the expense of the accumulated potential energy of the water.

Known hydroelectric power plant (the Use of water and energy. Textbook for high schools. Edited Dschemila. L.: Energy, 1976. - 656 C. Il.), containing the lower pool and upper pool above the terrain, penstock connecting the pools, and the pump-turbine operating in duplex mode.

The disadvantage pumped storage plant is that it can be arranged only in mountainous terrain, where there are significant elevation changes for the arrangement of the lower and upper basins.

Famous underground pumped storage power plant (patent RF №2080432, IPC E 02 In 9/00, publ. 27.05.1997, containing the engine room, made in the rock mass in the form of upper and lower chambers interconnected shafts. The generating units and auxiliary equipment is placed at the bottom is the size of the turbine hall, crane equipment is placed in the upper chamber of the turbine hall.

The disadvantage pumped storage plant is the need to create a special underground chambers and shafts in rock, which requires considerable material and labor costs for the extraction of rock from the array at a great depth, it is in mine workings and on the surface to a storage site.

The present invention is the development of a pumped storage plant, which allows use as storage pools mines left over from the development of mineral deposits, which significantly reduces labor and material costs.

To solve the problem in pumped storage plant, including upper and lower cumulative pools interconnected by means of a pressure conduit, hydraulic units and accessories, upper and lower pools are placed in adjacent to the mine shaft completed treatment workings of the upper and lower horizons, working out which made the maintenance of overlapping strata of rocks sustainable pillars, each pool is made in the form of communicating between a complete treatment of the workings, which are separated from the operating virobot is waterproof jumper units installed in an excavation of pit-yard lower horizon, and penstock installed in the shaft. Upper storage pool can also be located on the earth's surface. For its arrangement can be used flat piles of rocks created during the development of the field. Tailings dam and the bottom of the pool perform with waterproof screen.

The proposed solution is illustrated by the drawing, which shows a schematic diagram of pumped storage hydropower plants for orientations of the upper and lower chambers in the mines.

In the drawing:

1 - shaft;

2 - the existing mine workings;

3 - waterproof jumper;

4 - completed treatment production;

5 - breakthrough between workings;

6 - barrier pillar between workings;

7 - breakthrough for air movement;

8 - penstock;

9 - camera for generating units;

10 - units;

11 - breakthrough with the shaft barrel.

Pumped storage power station includes upper and lower pools, have completed treatment workings 4 respectively on the upper and lower horizons of the mine (mine), penstock 8 placed in the shaft 1 and the units 10, installed in a special chamber 9 unloading yard Completed treatment formulation 4 are isolated from existing mine workings 2 use a waterproof jumper 3 and connect Bonami 5 in the lower part and Bonami 7 (for air flow) in the upper part, which pass through the barrier pillars 6. Breakthrough 11 conduct inclined (away from the shaft 1) to communicate the atmosphere of the openings 4 with mine atmosphere (with trunk).

Pumped storage power plant will be equipped as follows. Within the field choose mine, which is working out a powerful ore deposits with the management of mountain pressure maintaining overlapping strata of rocks on sustainable pillars. To determine mine shaft, in the vicinity of which there is a sufficient volume of goaf completed treatment openings 4 on the upper and lower horizons, having the largest height difference. Completed treatment formulation 4 is examined and, if necessary, are carried out measures to ensure long-term sustainability, namely the strengthening of weakened mezhdurebernyh pillars (not shown), insulation, using shotcrete concrete or latex parts of the mine workings breeds prone to disintegration and other Completed treatment formulation 4 report Bonami 5, 7 between a and 11 with the barrel, making maximum use of existing generation, and isolated from the existing mine workings 2 waterproof jumper 3. Penstock hang freely Department of shaft 1 and is slid through the waterproof jumper 3 completed treatment formulation 4. Hydrogr the Ghats 10 mounted on the lower horizon in a special chamber 9, the flow of water to which is provided by gravity from space completed treatment workings 4.

Pumped storage power plant works as follows (the variant with the location of the upper pool in the workings of the upper horizon).

In the hours of excess in the region of electricity used for pumping water from the completed treatment openings 4 of the lower horizon hydro unit 10 through the pressure conduit 8 in the complete treatment of generation 4 of the upper horizon. In peak electricity consumption water is discharged through the conduit 8 in the complete treatment of generation 4 of the lower horizon, and 10 units produce electricity and to make up for its deficiency in the grid.

It is run pumped storage plant using as pools completed treatment workings, located in the vicinity of the shaft, and waste management mining a pressure maintaining overlapping strata of rocks on sustainable pillars, and isolated from the existing workings waterproof jumpers, and communicated with mine atmosphere sloping Bonami, as well as placing pressure conduit in the shaft and install the units in the workings of pit-yard lower horizon, the use of space to create a ve is knego pool, employed rock dumps, make it possible technical implementation of the proposed solution at the lowest cost.

Pumped storage power plant above structure can operate at existing mines, and after the termination of their operation if certain measures to ensure further drainage and ventilation shaft. The upper pool can be located on the earth's surface on the space taken up by dumps, but the location of the upper basin in mines in the harsh climate is preferable as it eliminates the need to work stations at sub-zero temperatures.

Pumped storage power plant, including upper and lower cumulative pools interconnected by means of a pressure conduit, units and auxiliary equipment, characterized in that the upper cumulative pool is located adjacent to the mine shaft complete cleaning formulation upper horizon or on the waste dump, formed on the surface of the field development, and lower cumulative pool is located adjacent to the mine shaft finished cleaning the development of the lower horizon, each placed in the completed treatment develop a cumulative pool is made in view of the inter-connected by Bonami, passing through the barrier pillars in their upper and lower parts, treatment of mine workings, which are separated from the existing workings waterproof jumpers and connected with the atmosphere inclined from the shaft by Bonami, with units installed in an excavation of pit-yard lower horizon, and penstock installed in the shaft.



 

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FIELD: hydraulic engineering.

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7 cl, 7 dwg

FIELD: hydraulic engineering.

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EFFECT: provision of effective conditions for drawing off young fish out of limits of zone of influence of diversion facility.

15 cl, 16 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to fish protective facilities used in diversion facilities. Proposed fish protective facility includes vertical gauze shield installed in inlet part of water intake channel at angle to its longitudinal axis, fish outlet arranged in place of mating of shield with side of channel, and device for creating whirlpool current for washing the shield containing jet guide member and made in form of chambers adjoining outer surface of shield and forming water intake holes over entire depth of water intake channel. Chambers are made cylindrical being formed by surface of shield and jet guide member and are placed in communication through water intake holes formed by edges of shield of adjacent chambers and edges of jet guide members at place of their butt joining. Each chamber is provided with independent fish outlet made in form of vertical perforated pipe arranged coaxially to chamber and communicating by independent fish duct with fish outlet. Inlet part of water intake channel is made with tangential inlet, edge of left side of channel, shield and tangential inlet are arranged in one plane.

EFFECT: improved efficiency of washing of gauze shield and drawing off young fish and trash.

24 cl, 18 dwg

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EFFECT: reduced time of structure assembling and costs for electric power generation.

2 dwg

FIELD: hydraulic structures, particularly fish-passing devices included in water intake structures.

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EFFECT: provision of controllable water intake during change in vertical young fish descent dynamics.

27 cl, 21 dwg

FIELD: hydraulic engineering.

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EFFECT: simplified design of fish [protective device, provision of effective bringing young fish of limits of influence of suction branch pipe.

7 cl, 8 dwg

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