Water-power plants and layout, construction or equipment, methods of, or apparatus for, making same (E02B9)

E   Fixed constructions(156306)
E02B9                 Water-power plants; layout, construction or equipment, methods of, or apparatus for, making same (hydraulic motors f03b)(1220)

Composite mobile derivational water conduit and method of its construction // 2607650
FIELD: construction.SUBSTANCE: invention relates to hydrotechnical and hydroelectric construction and can be used for creation of pressure water conduits, derivational, hydroelectric pumped storage, etc. hydroelectric power plants, as well as pump stations. Composite mobile derivational water conduit (CMDWC) includes a water intake of syphon or other type, water-supply sections, a composite water conduit from traditional rigid, as well as soft and flexible composite nanomaterials with shape memory, which include an outer shell, two inner shells with an additional coating from composite nanomaterials, which together are flow-guiding elements, at intersections of landsliding areas, as well as terrains with complex elements of orography: ravines, downwarpings, etc. CMDWC is suspended by cable-stayed systems fixed on supports, and there are devices for damping a hydraulic impact and monitoring technical state of the CMDWC extending in a building of container-type like a small hydro-derivative power plant. CMDWC erection method includes as part of design documentation calculation and development parts, including planning its route, creation of the upper and the lower reservoirs, laying the water conduit itself. Delivery and installation of the water conveying sections are performed directly on the route, where their inner and outer shells are mounted with serial interconnection by means of a flexible link starting from the syphon or another water intake. At hard-to-reach areas of highlands installed are supports and a cable-stayed system, onto which by means of preliminary fixed on the CMDWC shells the water-conveying section is suspended. On underlying sections with high water pressure by means of compensators water conveying sections are connected with the water conduit made of plastic or metal, if necessary, a bandage is installed. Then a building is erected of a container-type small hydro-derivative power plant with a previously installed in it hydroelectric unit, devices for damping the hydraulic impact and monitoring the CMDWC technical state. Further, the diffuser is mounted and conditions are provided for damping the energy in the lower reservoir.EFFECT: invention increases technically possible hydro-energetic potential of small mountain rivers by using seasonally-active mobile derivational hydroelectric power plants.2 cl, 3 dwg

Water intake unit of an irrigation system // 2606282
FIELD: land reclamation.SUBSTANCE: invention relates to melioration systems and structures and can be used to perform irrigation water intake from mountain and submountain rivers which are characterized by high rate of water flow and presence of a large number of suspended and bottom sediments. Design of water intake unit of an irrigation system comprises flow coated water intake canal 1 with variable section connecting the beginning and end of the river bend 2 or running parallel to river bed 2. Water intake galleries 4 are built into the canal bottom, the upper part of the galleries is a filter panel. Water flows by gravity from water intake galleries 4 into accumulating tank 5 from which it is supplied on irrigated sections.EFFECT: technical result is providing uninterrupted supply of water into an irrigation system and its protection against ingress of suspended and bottom sediments, as well as floating garbage under the conditions of hydrological regime of mountain and submountain rivers.1 cl, 3 dwg

Water receiving-cleaning device // 2604307
FIELD: technological processes; hydraulic engineering.SUBSTANCE: invention relates to hydraulic engineering, specifically to devices providing mechanical and chemical water treatment. Water receiving-cleaning device comprises a cylindrical housing divided by perforated partitions into filtration sections, charge, perforated pipe. Cover is installed on top of sections. Charging baskets are made of geosynthetic material and have perforated walls which form filtration sections, in one of which there is charge coated with a chemical disinfectant teotropin - tetraazatricyclododecane in amount of 1-10 mmol per 1 g charge for disinfecting water. Charge is a granular ingredient selected from: foamed polystyrene, rubber crumb or mixture thereof. In middle part of device there is a vertical perforated tube throughout length of device for collecting purified and disinfected water, from where water via a gravity pipeline is supplied to consumer.EFFECT: technical result of disclosed invention is higher quality of cleaning, enabling to perform both mechanical and chemical water treatment.1 cl, 2 dwg

Hydraulic structure attachable de-icing coating (versions) // 2603035
FIELD: mechanical engineering.SUBSTANCE: hydraulic structure 1 attachable de-icing coating, for example, HPP grooves and gates is implemented in 2 versions. Plate 2, 3 of polymer anti-adhesive material coating based on ultra-high molecular polyethylene with molecular weight of not less than 3 million carbon units with addition of from 2 to 4 % of either molybdenum disulphide, or titanium dioxide, or from 5 to 10 % of graphite, having increased linear expansion coefficient, are fixed on structure with temperature gaps. Plate fastening is made without gaps in one fixation point either by one fixation line with T-shaped grooves and clamps, in other plate attachment areas enabling possibility of its thermal expansion or shrinkage by making fastening seats elongated, diverging from fixation hole or by extended performance of grooves or performing grippers with moving plates. Flexibility range in each assembly is 0.014…0.02 from remoteness to center or fixation axis. Adjacent plates edges have chamfers forming angle of no less than 40°.EFFECT: under thermal compression and expansion of plates icing peels off, reducing damage from icing.7 cl, 16 dwg

Water intake structure for intake of water from surface sources // 2601040
FIELD: water supply.SUBSTANCE: invention relates to water supply and can be used in water supply systems from surface sources, where there are fluctuations of water levels over time, for example in period of floods, steady low water level. Water intake structure for intake of water from surface sources, equipped in form of coastal water intake comprises water intake chamber 1, side wall of which is equipped with two short pipes 2 and 3, connected to source 18, and is a hydraulic relay, in which levels in water intake chamber are fixed by valve gates 4, 9 with float drive. Bottom valve 4 via hinges 5, 6 is secured with rod 7 of float 8. Upper valve gate 9 via horizontal axis 10 is fixed by lever 11 via hinge 12 with rod 7 also of float 8. Water intake structure is in form of a float with air chamber 17 in lower part of water intake structure and is attached to vertical guide supports by means of annular couplings. Interrelation of operation of pair of valves 4, 9 maintains virtually high accuracy and synchronisation of maintenance of levels in water intake chamber 1, and in suction chamber 15 with pumps 16 with by placing at different height inlet short pipes 2, 3, fixed in side wall of water intake chamber 1, diameters of which can differ, respectively their carrying capacity is different, speed of operation of valves, as well as reliable maintenance of water levels in water intake structure as a whole. Thus, reliable operation in transient modes depending on position of water level in source is provided due to availability of two pipes, interconnected by valves with float drive, in particular, with capacity of pipes, each calculated from condition, so that level at closing or opening moves slower.EFFECT: use of invention enables to automate process of controlling levels between drop in water level of a surface source and a water intake structure and maintain in suction chamber with pumps calm surface water level, hence, reliability and accuracy of operation of water intake structure is improved.1 cl, 1 dwg

Hydraulic system of one basin tidal power plant with water engine with blade variable geometry // 2599012
FIELD: construction.SUBSTANCE: invention relates to hydraulic construction and hydraulic power engineering. Device is intended for technological generating head in tide water area between sea and basin cut by a dam, and passage of water flow through four power unit water conduits with sequentially installed in three rows on 4 inexpensive and easily changeable water engines with variable blade geometry, in order to head of tide water column can be used for many times. Device comprises floating tidal power plant units sequentially arranged for multiple use of water flow, dead floating units of cut-off dam, flow-through floating units, fish-ways, navigation pass (lock) or flow-through construction coupling dams, road along the dam and gantry cranes for lifting equipment. Device comprises building power unit 1, which is included in head dam front installed after its remaining life by a tidal power plant building, as well as in addition to operating tidal power plant buildings to increase power by means of temporary guards of a dam repaired section by floating units, to ensure operating other tidal power plant buildings in standard conditions during one tidal power plant building disassembly. Building power unit 1 is collected in the place of prefabricated reinforced concrete elements 1-0 in building, having a machinery room in the centre and two water conduits 1-7 adjoining at both sides, having two-four water engines 1-1 with variable blade geometry. Water engines axis are located at the level of ocean surface at maximum low tide (mark 0.00). Basin bottom has water guide channel 5 to water engines, deepened to the blade height. Water guide channel 5 is a fish-way for fish passage during the maximum low tide.EFFECT: invention allows replacing damaged dam cutoff units of head front and buildings of operating tidal power plants without deterioration of operating other sections of the dam by inexpensive means, replacing outdated expensive types of turbines for cheap, quickly changable water engines with variable blade geometry, as well as increasing capacity of existing tidal power plants, applying new materials and new methods of construction for tidal dams taking into account engineering development.4 cl, 12 dwg

Alternative hydroelectric power plant // 2597378
FIELD: energy.SUBSTANCE: invention refers to constructions for electric power generation from renewable sources. Alternative hydroelectric power plant contains reservoir of the upper pond 2, structure to place it at necessary height, which contains a building with an engine room, hydraulic turbine, a device to feed water to hydraulic turbine, wind motor 7 with vertical rotation axis, reservoir tail 1. Water head creates balanced tape water-lifting installation, driven by wind energy, starting from the low speed wind. For arrangement of reservoir of the upper pond 2 at necessary height, providing water head, one uses steel, reinforced concrete frame or other structure.EFFECT: invention is aimed at creation of alternative hydroelectric power plant, which uses balanced tape water-lifting installation, driven by wind energy, starting from the low speed wind, ensuring water lifting on the required height to create pressure required for operation of hydraulic turbines.1 cl, 6 dwg

Damless hps with forced stream acceleration (versions) // 2596478
FIELD: energy.SUBSTANCE: group of inventions relates to hydraulic power engineering and can be used for obtaining electric energy from hydraulic flows, including at low speed of water movement. In version of single unit device comprises storage water vessel filled with flow, accelerating device, turbine installed in vessel and connected via reduction gear with generator. Acceleration device is represented by rotary vane flow breaker connected by pull rod with float water level controller in vessel. When incoming water reaches specified level controller by means of pull rod connected with spring-loaded thrust, releases for movement switch blade and portion of water in the form of hydraulic pulse is transmitted on to turbine. Water level falls, controller releases thrust from tension which under spring action returns to initial position, stopping blade of turned flow switch for creating water reserve. In version of several modular devices installed in flow, their turbines are integrated with common shaft and connected via multiplexer to electric generator, and their float water level controllers in vessels are installed at different levels, which provides their series connection.EFFECT: higher efficiency of damless HPS.4 cl, 2 dwg

Fluid sampling device // 2594534
FIELD: machine building.SUBSTANCE: invention relates to devices intended for fluid intake from a source, mainly water from a reservoir, rivers, channels, trays, pools, tanks, etc. Device for fluid intake comprises inlet funnel, float installed with possibility of vertical movement, telescopically connected pipes, bend with discharge pipe and elements, connecting float with ends of funnel. In middle part of float there is a cone-shaped air feed pipe with upper and lower protrusions and directed towards inlet funnel. Telescopically connected pipes are tapering downwards. Connecting elements are spring-loaded.EFFECT: simplified design and higher reliability.1 cl, 1 dwg

Water intake // 2592414
FIELD: construction. SUBSTANCE: invention relates to hydrotechnical construction and can be used for removal of deposits on water intake facilities with intake from lower layers of water for agricultural water supply. Water intake comprises rainwater perforated tubes 10, laid into a layer of filtering surface, protective shield made from laid in a row with clearance rods 1, connected to lower side of hollow pipes 2. Hollow pipes 2 are made on upper generatrix of pipe with air outlet holes between free sections of each rod 1. Inside hollow pipes 2 are fixed on bottom additional pipes 4 with clearance. Additional pipes 4 are made from soft elastic material with micropores. Additional pipes 4 are pneumatically communicated via air duct 5 with tap 6, cavity of which is connected with compressor 7 of compressed air fed via air duct 5 into additional pipes 4. Compressor 7 is connected with time relay 8. End sections of hollow pipes 2 have washing calibrated holes 9, and end sections of additional pipes 4 are plugged. EFFECT: higher efficiency, reliability and reduced operating costs. 4 cl, 4 dwg

River hydropower plant // 2588165
FIELD: hydropower.SUBSTANCE: invention relates to hydraulic power engineering and specifically to hydroelectric power plants. Proposed technical solution for hydro-electric power station installed at small and medium rivers is characterised by that the installed on them active hydraulic turbines are used to generate energy due to dynamic head. Creation of velocity head is made by narrowing of riverbed using soil bridge in the form of truncated cone 1. To prevent a wash the new river shores and bottom are reinforced within the range of truncated cone. At the outlet of truncated cone water intake 2 is made also having truncated cone shape. Water intake is connected to turbine pipeline 3 connected with taps 4 to nozzles of ladle hydraulic turbine. At the intersection of rivers with automobile or railway roads, when pipes are installed instead of bridges for passage of river water flow, which also results in bed narrowing, enhancement of water flow rate and concentration of kinetic energy to the outlet holes, the water intake in the form of truncated cone is mounted and connected to the turbine pipeline connected to outlets of nozzles of ladle turbine. In case of short-term increase of water level in river as a result of shower, flood, reduced load, emergency excessive consumption of water is drained into river bed bypassing the water intake. Throughout the length of river at some distance may be installed several hydro-electric power stations (cascade) with automatic remote control from single control panel. Such hydro-electric power stations can be connected to a network or operate under autonomous mode.EFFECT: high rate of water flow as a result of concentration provides year-round operation of small hydro-electric power stations.1 cl, 4 dwg

Intake device // 2585041
FIELD: instrument making.SUBSTANCE: invention relates to hydraulic engineering, particularly to fish protection devices, and can be used for water intake of energy, industrial, household and irrigation facilities. Intake device comprises a device for charging and siphon 6, ascending branch 11 of which is provided with annular flexible pipeline 12 with openings 13. Openings 13 are connected with nozzles 14 of injected medium in form of compressed air. Compressed air is supplied under pressure through air pipe 15 in flexible pipeline 12, which is made in form of a spiral around ascending branch 11 of siphon 6. Air pipe 15 is connected with compressor 18 via air collector 16 with valve 17. Supply of compressed air is carried out by compressor 18 in response to instruction from control panel 19, wherein an air curtain forms around ascending branch 11 of siphon is 6. Nozzles 14 of flexible pipeline 12 are detachable with possibility to vary and fix their length to feed around ascending branch 11 sprayed active air medium under pressure which creates air curtain. Siphon 6 in upper part has branch pipe 7 with air intake opening 8 for communication with atmosphere. Air inlet opening 8 is covered by valve 9, equipped with a load 10 with variable mass.EFFECT: higher reliability and providing stable operation.4 cl, 1 dwg

Wave power system // 2580994
FIELD: energy; construction.SUBSTANCE: invention relates to hydrotechnical structures for power generation and simultaneous protection of shore from storms. Wave power complex is arranged in water with properties of electrolyte in zone of wave motion. Complex comprises converting elements 1, electrically connected to each other in parallel. Every element 1 is made as electric current generator and comprises bearing base 3, magnetic system of permanent magnets 2 arranged on basis 3, protective plate 4, current collector and current-collecting bus 5. Current collector is made in form of contact-rectifier module 6 with paired connecting terminals, made with possibility of being connected to terminals of adjacent elements 1 with aligned polarity. Magnetic system is covered from above plate 4 of dielectric with buses 5. Ends of one bus 5 are connected to terminals of positive polarity module 6, and ends of second bus 5 are connected to terminals of negative polarity. Polarity of magnets 2 arranged along edges of the base 3 and oriented along longitudinal axes of buses 5, is same and opposite to polarity of magnets 2 located between buses 5.EFFECT: simplified design and provision of direct conversion of wave energy into electrical one.4 cl, 5 dwg

Gravity-hydraulic power plant and method for electric power generation // 2579470
FIELD: energy.SUBSTANCE: gravity-hydraulic power plant (GGE) consists of funnel, bellows, water turbine, and electric current generator. GGE funnel is installed in water at depth ∆ and is connected to lower adapter of water pipe in form of bellows, which is installed on GGE support and is connected with vertical water pipeline, which is connected from one side with lower adapter water pipe in form of siphon, with other side connected with upper adapter water pipe in form of bellows, which is hydraulically connected with water turbine, which is connected to electric current generator. Optimal conditions for stationary water head ∆H (m): external angle of inclination of the cone funnel α = 45°; h = R ΔH=G″Sa′−a′γ=G″γπr2 (m),G″=G−G′=γπh3[R(R+r)−2r2]cos2α  (kg), where ∆H is optimal level of water, water weight to be extruded G'' (m); Sa'-a' - cross-section at level of upper surface of funnel; Sa'-a' = πr2 ; γ is specific weight of water equal to 1,000 (kg/m3); r is radius of lower funnel (m); G is weight of water in volume of funnel (kg); G' is weight of round direct cylinder with height h (kg); h is height of funnel, h = R (m); R is radius of upper funnel (m); α is GGE funnel angle. Method of producing electric energy is performed by means of gravity-hydraulic power plant.EFFECT: technical result consists in implementing by declared group of inventions its purposes.2 cl, 2 dwg

En khrustalev method of preventing accident risk of hydraulic power plant and device for its implementation // 2576444
FIELD: construction.SUBSTANCE: according to the disclosed method, monolithic reinforced concrete body gravity dam with height H0 (cm) is made convex towards reservoir in the form of riverbed compass roof. Dam body height H0 is designed and made in the longitudinal horizontal sections with radius R (m). Concrete dam body is reinforced with metal steel rods, which are welded as spatial array. Dam body is equipped with operational drain water lines with height HIN (cm) of the upper water pond in the reservoir up to the height HH (cm) of the lower pond. Turbines of electric current generator are set at HG water level in the river behind the dam body in its discharge channel. At the input operating spillway is equipped with movable hydraulic gates. Stator of electric current generator is solidified in the seat of the dam body, and generator rotor is fixed in the stator through the cover by means of threaded connection of bolts and nuts. Horizontal angle of arched dam body contact at the level of the upper pond HIN of water in the reservoir is accepted based on model tests as equal to Angle of arch dam body contact in longitudinal horizontal sections with water from reservoir is maintained constant - const throughout the height H0 of the dam body, and the radius of the dam arch body on the side of reservoir are accepted as variable and equal - varir, where - distance between coasts in longitudinal vertical section along the height H0 of the dam body filled with water, - internal friction angle of water. Threaded connection of rotor cover with stator bowl of the current generator and monolithic attachment of the stator bowl in the dam body are calculated for pull force Nmax, which is calculated by formula. Contact angle of the arch dam foundation bed with underlying base material in transverse and, if possible, in longitudinal vertical sections is kept as permanent - const, where - internal friction angle of the base material. At uniform distribution of contact stresses on lateral sides of the dam body in contact with water reservoir and air atmosphere receiving submersion depth h of the dam body without gravity side crack formation from the upper pond HW of water in the reservoir is equal to hW≥pWcr./γB (cm), where (kg/cm2)-maximum critical breaking concrete dam body pressure, which is calculated by formula, and without gravity crack formation from upper edge of the dam body on the opposite side of the dam body from the reservoir-at the depth of hН≥pWcr./(γB+γW) (cm) , where γW= 0.001 (kg/cm3)-specific weight of water, and condition of absence of surface crack formation on the dam body at depth h > hW and h > hH respectively on the side of reservoir and on the back side of the dam body receiving dependence (kg/cm2)-, where [σT]ST -tolerable yield stress upon expansion of metal fittings for which the dam concrete body is preliminary reinforced with strained steel rods.EFFECT: disclosed method and produced in the process of its implementation device prevent accident risk of hydraulic power plant during water discharge in reservoir by preventing surface and subsurface formation of cracks.2 cl, 6 dwg

ethod to construct small hydraulic power plants // 2575195
FIELD: construction.SUBSTANCE: invention relates to hydraulic power engineering, namely to methods of using water resources of plain rivers, and may be used in construction of small hydraulic power plants. The method includes construction of a drainage channel 3 on a sloping coast 2 along a dam 11, and this channel is coupled in a lower reach with a river 1. On a steep coast 7 in areas of undesirable floods of territories they build protective dams 10 and systems of drains and sewages 8, which are connected to the drainage channel 3 of the sloping coast 2 by means of pipelines 6, laid along the bottom of the river 1, thus completing preparation for construction of the solid dam 11 for narrowing of the river bed 1. They build a dam 14 and complete construction of the dam 11, coupling in the lower reach with the dam 14. After that they complete construction of the dam 14 and the building of the hydraulic power plant.EFFECT: invention makes it possible to reduce areas of alienated territories, which reduces environmental disturbances in a river basin, and also provides for generation of hydraulic energy at large rivers with usage of their channels or specially erected channels at minimum damage for territories adjacent to the river and accelerated time of erection of plain hydraulic power plants.3 dwg

Underwater hydrostatic power plant // 2574686
FIELD: power engineering.SUBSTANCE: underwater hydrostatic power plant comprises a cylindrical vessel divided into compartments and fixed to the bottom of the water reservoir, closed at the ends by covers with inlet and outlet nozzles, equipped by barrier lattices and valves. Inside the cylindrical vessel along with water flow the following components are serially installed: a filtration compartment, where a perforated container is placed, filled with filtering medium; a buffer compartment, filled with filtered water; a power generator compartment, in which a power generator is installed, electric slots, electric cables, automatic control and monitoring equipment, a control transformer, a start accumulator and discharge pipes; a turbine compartment, where a hydraulic turbine is installed with a horizontal shaft and a suction pipe, connected via the shaft with a power generator rotor and via discharge pipes with the buffer compartment; a spent water removal compartment, where the perforated container is placed, filled with porous, mechanically strong, corrosion-resistant material, and a latticed electric water heater arranged near the edge of the outlet end of the perforated container.EFFECT: increased efficiency of an underwater hydrostatic power plant during utilisation of potential water energy of deep-water reservoirs.3 dwg

Hydraulic engineering structure for water intake from spring // 2574469
FIELD: construction.SUBSTANCE: hydraulic engineering structure for water intake from a spring comprises a reservoir 1 installed in a water bearing bed 2 with a return filter 3 and a water intake opening 4. Around the reservoir 1 there is a hydraulic insulating layer 6 of required height. On top of the reservoir 1 there is a clay lock 5. The reservoir 1 comprises labyrinth partitions 16, 18. The end section of the reservoir 1 has a section made by a plenum chamber 7 with an outlet sill 9 with a horizontal shelf 19. The plenum chamber 7 comprises a broken external wall 8 with a vertical wall 9 of the reservoir 1. The bottom central part of the broken wall 8 in the chamber 7 is made by the hole 10 and includes a seat with a valve 11 on a hinge 12. An opening lever 13 is attached to the valve 11, to which a float 14 is fixed in its turn, suspended on a retaining flexible traction rod 15. A drain pipeline 20 is equipped with a control gate valve 21. The plenum chamber 7 is removed from the reservoir 1 and is limited by labyrinth L-shaped partitions 16, 18, overlapping of walls of which reduces bottom speeds upstream the chamber 7. A water stream, passing through labyrinth partitions 16, 18, changes direction of water movement, this creates favourable conditions to balance specific flow rates along the reservoir width. As a result, water level in the chamber is stabilised, wave process of water surface disappears. Such mode of spring water supply from the water bearing bed will make it possible to ensure continuous operation of the structure in automatic mode for intake of underground spring water.EFFECT: increased efficiency and steadiness of distribution of specific flow rates along reservoir width and reduction of bottom speeds for production of cleaner water at the inlet to the plenum chamber, simplicity and reliability of the structure.3 cl, 1 dwg
Construction of small hydroelectric stations // 2567509
FIELD: power engineering.SUBSTANCE: claimed process comprises erection of hydram with supply waterways. Hydram supply waterways are made entirely of piezoelectric materials. Elastic deformation of the latter at the water increased pressure and at water ram in supply materials causes generation of electric power.EFFECT: simplified design, production of electric power from low-head natural and man-made waterways.

Hpp-hpspp power complex // 2566210
FIELD: power industry.SUBSTANCE: invention can be used at construction of hydroelectric and hydroelectric pumped storage power plants (HPP and HPSPP). An HPP-HPSPP power complex consists of HPP and HPSPP with turbine hydroelectric units 5 and reversible hydroelectric units arranged in one building, upper and lower reservoirs 1 and 7 and pressure water conduits 3. The complex has individual lower reservoir of HPSPP 8 that is hydraulically not connected to natural river bed, and the corresponding water intake. Reservoirs 7 and 8 are located at different levels. Water conduits 3 of reservoir 1 are connected to turbine hydroelectric units 5 and the reversible hydroelectric units. Hydroelectric units 5 are made in the form of hydraulic turbines with generators. The reversible hydroelectric units are made in the form of reversible hydraulic machines with generators/motors. Water conduits of the lower HPSPP reservoir are routed under or above the lower HPP reservoir HPP reservoir for hydraulic connection of the lower HPSPP reservoir to the reversible hydroelectric units supplying water to reservoir 1.EFFECT: increasing capacity of a power complex and efficiency of its operation in a power system and minimising construction and installation activities by providing a possibility of burial of turbine and reversible hydroelectric units at different levels at use of their single-type layout.4 dwg

System for power generation by hydraulic method // 2565121
FIELD: electricity.SUBSTANCE: invention relates to systems for electric power generation by hydrodynamic method. The system contains overhead crossing 100, used for vehicles passage, and hydrodynamic system 200. The overhead crossing 100 is made out of multiple pairs of road spans 101A, 101B. Each span contains end locks 128A, 128B. The hydrodynamic system 200 is made to support the overhead crossing 100 and to generate the electric power by means of the conversion of the sea tides energy or river current energy and forces, acting on the hydrodynamic system immersed in the ocean tide or river current and moving relatively them. The hydrodynamic system 200 is made out of multiple hydrodynamic elements connected by lock.EFFECT: invention ensures possibility of the effective and reliable manufacturing, assemblage, disassemblage, installation, removal and maintenance of the hydrodynamic system parts.20 cl, 26 dwg

Reclamation system for agrolandscapes with heavy soils // 2560628
FIELD: agriculture.SUBSTANCE: reclamation system for agrolandscapes with heavy soils comprises an open conductive drainage channel, a closed drainage, an irrigation system, and a water source of economic-household water and water for irrigation of crops. The water source of economic-household water and water for irrigation of crops is made in the form of a well 3 with the water-receiving inlets 4 in its walls in the local place of the most intense destruction of slopes 1 and the bottom of the channel, which serves simultaneously as a device for reduction of the piezometric groundwater level above its bottom. To ensure the hydraulic connection of water levels in the channel and the well the filter 7 of gravel-sand mixture is additionally made around the well 3 at the bottom of the channel.EFFECT: development of the reclamation system for agrolandscapes with heavy soils, using a conductive drainage channel as a source of water intake for water supply and irrigation of small cottage plots, as well as for the conditions of farms and private farmstead in rural settlements.1 dwg

Water intake facility from surface sources // 2560626
FIELD: construction.SUBSTANCE: water intake facility from surface sources consists of receiving chamber 1 with a pump station arranged in it. Receiving chamber 1 is made in the form of a reservoir located near a surface source, for example a river. Bottom 2 of the reservoir is located below lower level of the surface source. Walls 3 and bottom 2 of the reservoir are covered with crushed stone 4. Crushed stone 4 is placed between wall 3 and concrete blocks 5. As concrete blocks 5 it is expedient to use U-shaped blocks with ribs, which are laid in the crushed stone body with formation of steps, through which a water passage directed upwards through crushed stone is provided to receiving chamber 1. An upward water flow from the steps excludes movement of crushed stone under action of the water flow to the receiving chamber. For protection against washing out and as the first coarse step of the filter of the surface water source along the bank, opposite the receiving chamber there is protective layer 7, for example of concrete blocks, boulder stones.EFFECT: improving purity of taken water.4 cl, 1 dwg

Conveyor-type hydraulic power station // 2557972
FIELD: power industry.SUBSTANCE: conveyor-type hydraulic power station contains guide channel, actuating device with flexible element in form of closed chain-drive comprising connected with each other links-carriages with blade units, each contains symmetrical blade pairs. The guide channel contains main and secondary channel, its output is equipped with shutter. Each channel is divided to the contraction, work and diffuser parts. Each blades pair includes vertically oriented small and large blades. Large blades are secured on axles provided with rollers, and small blades are connected with each other and with large blades by means of the horizontally oriented arc-like jumper-blade. At that if the guide channel contains one secondary channel, then the later is located above the actuating device, and if several secondary channels, then they are arranged along the main channel from both sides. The secondary channels are connected with each other and with main channel by means of the tapering branches and windows equipped with shutters and guide partitions that guide the flow to the main channel and installed before the windows inside the main channel at angle to the casing.EFFECT: increased power of hydraulic power station.3 cl, 9 dwg

Run-of-river plant power plant of russian engineer sergej timofeevich zheleznyakov // 2557836
FIELD: power industry.SUBSTANCE: invention relates to hydropower engineering, namely to hydroelectric power plants. A run-of-river hydroelectric power plant 2 is installed on a basement 26 and contains several rigid, water-tight housings 6 with an elliptic cross section fitted with turbine modules 8 arranged with a possibility of transmission of rotation from shafts 13 enclosed by a ring 27, turbines 12 through free-wheeling clutches 14 to the common shaft 15 passing through an onshore well 21 with the ground river water circulating in it through a reducer 16 to the rotor shaft of an electric generator 17 installed on the shore 3. In each turbine module 8 the plane of rotation of the turbine 12 blades is inclined at an angle to the longitudinal axis of the flow 1, in the zone of the hub 18 of the turbine 12 to which blades are fastened. On a guiding lattice 11 located upstream the turbine 12 a cone-shaped body 25 is installed with the top oriented upstream. From the back side on the hub 18 of the turbine 12 a hemispherical body 19 is installed. Upstream and downstream the turbine module 8 a shutoff device 7 is installed.EFFECT: invention is aimed at providing of extraction of the maximum possible part of kinetic energy of water, which freely flows in the river, for its conversion into electric power.21 cl, 9 dwg

ethod to ensure safety of hydraulic engineering structure of nuclear power plant // 2555789
FIELD: construction.SUBSTANCE: invention may be used in applied hydroacoustics for provision of safety (industrial and environmental) of hydraulic engineering structures (HES) of high hazard facilities: nuclear power plants (NPPs), hydraulic power plants, heat power plants, tidal power plants, offshore oil and gas platforms, etc. In particular (with regard to NPPs) for: protection against penetration into a water supply channel (WSC) 2 of above-water (AWSC) 12 and underwater (UWSC) 13 subverter carriers, as well as underwater subverters (UWS) 11 themselves; protection of mature fish (MF) 14 and young fish (YF) 15 against ingress into the water supply channel (WSC) 2 and directly into a water intake window (WIW) 4; treatment of water from mechanical (MA) 17 and biological (BA) 18 admixtures and biogrowths (BG) 16; acoustic degassing of water. The method consists in physical retaining of AWSC, SWSC and UWS by formation of a combined air bubble curtain at the inlet to the water supply channel 2, sharp reduction of density of water medium and subsequent dropping of the AWSC 12, SWSC 13 or directly the UWS 11 itself to the bottom. Mechanical retention of AWSC 12 is carried out by means of installation of a power boom containment at the inlet and across the water supply channel 2 and subsequence damage of the AWSC 12 body. Multi-stage and combined acoustic displacement of UWS 11 is carried out, as well as multi-stage and combined non-lethal damage of UWS 11, and multi-stage and combined displacement of fish 14, including young fish 15. Combined treatment of water from mechanical admixtures 17, biological admixtures 18 and biogrowths 16 is carried out at the inlet to the water supply channel 2, as well as multi-stage and combined acoustic immobilisation and acoustic destruction of biogrowths 16. The method also includes acoustic degassing of water at the outlet from the water supply channel 2 - in the area of the water-intake window 4.EFFECT: invention provides for required safety of NPP HES.11 dwg

Ramp wave energy storage unit // 2550998
FIELD: construction.SUBSTANCE: invention relates to the shore facilities, ensuring the use of wave energy with its subsequent conversion, for example into electric energy. Ramp wave energy storage unit comprises a storage pool that has fences against the wave forming water area. Part of the fence from the wave forming water area is designed in the form of optimal height of water storage barrier, which has the upper edge integrated with ramp, bevelled to the pool. The ramp is submerged into the wave forming water area by the bottom part and has horizontally placed channels from the front side with respect to the water area, providing the opportunity to take water from waves in case of wave setup on the ramp. Horizontally disposed channels have tubular outlets, through which water flows into the storage pool. Ramp wave energy storage unit provides the water flow into the storage pool not only in stormy weather, but also at moderate wave setups and back drafts at coasts of seas, lakes and other wave forming water areas.EFFECT: invention makes it possible to ensure protection of onshore facilities and at the same time to accumulate the wave energy.2 cl, 1 dwg

Beam for attachment of fairing of hydro-electric power plant, and hydro-electric power plant containing such beam // 2549765
FIELD: power industry.SUBSTANCE: beam (8) for attachment of fairing (2) of hydro-electric power plant (1) has a cross section in a plane perpendicular to longitudinal axis (A8) of beam (8) in the form of a parallelogram. Beam (8) includes at least one slot that mainly passes parallel to longitudinal axis (A8) of beam (8). In the cross section perpendicular to longitudinal axis (A8) of beam (8), traces of the surfaces located along the slot pass from one of the sides of large sizes of the cross section to the adjacent side of small sizes of the cross section. Hydro-electric power plant (1) includes wheel (3) that can be rotated about axis (X1), fixed fairing (2) enveloping the wheel, and at least one beam (8) for attachment of the fairing, which attaches the fairing to central support (6) of the hydro-electric power plant.EFFECT: geometrical shape of an attachment beam allows restricting Karman vortexes and even preventing their formation at action on the beam of water flow during operation of a hydro-electric power plant.10 cl, 7 dwg

Construction method of midget hydroelectric power plants // 2548530
FIELD: power industry.SUBSTANCE: invention refers to hydroelectric power industry, particularly to methods of small river and artificial flow utilisation for electric power generation. Method of midget hydroelectric power plant construction involves construction of hydroelectric aggregates in the form of converters of kinetic water flow energy to potential hydraulic shock energy, and rotating drive of electric power generators. Water ducts of hydroelectric aggregates feature walls moving in radial direction and injectors with actuators driven in reciprocal motion by water duct walls moving in radial direction. Electric power generator drive is made in the form of propellers rotated by energy transferred from injectors to propellers by intermediate energy carrier, a work medium other than water.EFFECT: simple method of midget hydroelectric power plant construction in low-intensity water flows.4 cl, 1 dwg

Unit for tidal flow energy utilisation // 2546174
FIELD: power industry.SUBSTANCE: invention refers to hydro power engineering. Device utilising tidal flow energy includes rotor 1 consisting of spiral vanes with segmented profile, attached by cross-beams to the shaft, and generator mounted on a platform and connected to the rotor. Lower end of rotor 1 shaft and generator connected to it are placed in a sealed capsule 2. Sealed capsule 2 rests on two bearing beams 4 with the help pf two pins 3 protruding from opposite sides of outer capsule surface and can rotate around horizontal axis perpendicular to the flow direction. Bearing beams 4 are attached to cylindrical cases 5, the ends of which are interconnected by braces 7 with segment-shaped cross-section turned with its convexity down and forming α angle to the horizon to produce lifting power directed towards the bottom.EFFECT: simplified design, extended application range covering water areas of large-capacity navigation and ice cover.4 dwg

ethod to build autonomous submerged tidal power plant with single-sided locks // 2544091
FIELD: construction.SUBSTANCE: invention relates to alternative sources of power, in particular, to tidal power plants. The method consists in the fact that a part of basin water area closed by a dam at the side of the sea, with a river flowing into it, exit of which into the sea is via hinged or pontoon gates only during ebb, together with the river bed from its mouth and to the dam is cut with the dam designed to create upper reach at the side of the river bed. The difference is discharged into lower reach via water conduits adjusted in the dam, to which submerged power units are connected. On the way of the river bed displaced by the dam to one of basin coasts, they install hinged or pontoon gates providing for only single-sided passage of a tidal wave into the water area of upper reach, providing for level difference necessary for turbines operation regardless of change in tide phases.EFFECT: increased efficiency of power plant operation with lower costs and less time.3 cl, 2 dwg

Construction method of orthogonal threshold power plant (otpp) combined with ship passage (sp) // 2543904
FIELD: power industry.SUBSTANCE: at implementation of a construction method of OTPP combined with SP 1, all the component parts of the object being built in the form of ready-made reinforced concrete or metal blocks from the works to the assembly site are delivered by means of a float-on method. Sequence of construction work is started from an earlier installed supporting and restricting barrier consisting of a metal, reinforced concrete or wooden grooved pile projecting in an underwater position through the height sufficient for fixed retention of flooded threshold blocks with orthogonal turbines 4, including foundation of SP 1. First, assembly of the foundation is started by afloat attachment into a common structure of a rectangular shape, the margin of buoyancy of which is sufficient for retention of posts for laying of board panels. Assembly of SP 1 is completed by installation of double-leaf gate 7. Gate 7 is left open till completion of work on installation of threshold blocks with turbines 4 connected through shafting 5 to generators 6 installed on the shore.EFFECT: construction of HPP on navigable rivers, where it is impossible to erect dams and flood gates as per local conditions.3 cl, 2 dwg

Coast water intake with colliding jets and curved bean-shaped baffle wall // 2537538
FIELD: construction.SUBSTANCE: coastal water intake includes waterfront pavilion, receiving chamber with water intake windows overlapped with grid, and suction chamber with suction pump tube. Inside the suction chamber a U-shaped flat structure is installed with curved corner surfaces and ties at the ends and in the middle of the structure. In the side walls of the U-shaped structure water discharge windows are installed. Water discharge windows are closed with gates at various heights. The bean-shaped baffle wall is installed opposite the suction pipe.EFFECT: reduction of energy consumption during operation of the coastal water intake.3 dwg

Floating water intake // 2534576
FIELD: construction.SUBSTANCE: floating water intake comprises a water receiving chamber 1 with water receiving windows 2 and overflow windows 3, a suction chamber 4 with first stage pumps 5. The water receiving chamber 1 and the suction chamber 4 are made in the form of a float with an air chamber 6 in the lower part of the water intake structure and are placed in a reservoir 7, filled with water 8 and installed on the bottom of a surface spring 9. Equipment of the water intake structure in the form of a float in a reservoir makes it possible to use it under high speed of flow and variations of water levels in the water source, which improves operating qualities of the water intake structure. Maintenance of the permanent water level in the suction chamber reduces energy inputs for pumping water during operation of a water receiver.EFFECT: in process of water intake at controlled elevations from a surface spring there are less sediments arriving to a water receiving chamber, and it is possible to clean water receiving holes, which increases reliability of operation of a water intake structure.3 dwg

Device for water extraction from trough channels with turbulent flow regime // 2533568
FIELD: construction.SUBSTANCE: device comprises a distributing channel 5, an intake pipe cap 2 and a drain pipe. The device comprises a diffuser from composite pipe sections of a conic section, designed in the form of a lock 1. The lock 1 is fixed by means of a hinge on the edge of the channel 5, having a slewing gear in the form of a control wheel 6 with a stopper. The inlet end of the diffuser 1 has the pipe cap 2, the cut angle of which is equal to 6…9° to the bottom of the channel 5. The outlet end of the diffuser 1 is joined with the pipe section 3 of a constant cross section with a flexible hose 4. The curvature radius along the axis of the diffuser is Ro=1.25din, where din - diameter of the intake pipe cap. Operational reliability under conditions of a variable water level in the channel is increased and an effective protection of the lock against wastes and sediments is provided.EFFECT: improved operational reliability of the device by providing water extraction from different levels.2 cl, 3 dwg

Pumped storage plant (psp) and riverbed water wheel of hydraulic power unit // 2529764
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

ethod to ensure safety of operation of hydraulic engineering facilities // 2528451
FIELD: construction.SUBSTANCE: method includes development of the first 28 safety border and the first physical protection 36 against penetration of biological underwater objects (BUO) and facilities of their delivery, the first treatment of return service water 37 from mechanical (MA) and biological (BA) admixtures, the first protection of fish, including young fish, the first cooling of return service water. The second 29 safety borders are established, identical to each other and similar in purpose at the inlet of each water supply canal and subsequent supply: the second physical protection 39 against penetration of BUO, the second treatment of return service water from MA and BA, the second protection of fish, the second cooling of return service water. The third 30 safety borders are established, identical to each other, at the inlet to water intake windows and subsequent supply: the third physical protection against penetration of BUO, the third treatment of return service water from MA and BA, the third protection of fish, the third cooling of return service water and its first acoustic degassing. The fourth 31 safety borders are established, identical to each other, at the outlets of water supply canals identical to each other and subsequent supply: the fourth physical protection against penetration of BUO, the fourth treatment of return service water from MA and BA, the fourth protection of fish and the fourth cooling of return service water. The fifth safety border 32 is created in the common water drain canal and subsequent supply of the fifth physical protection against penetration of BUO and facilities of their delivery, the fifth treatment of return service water from MA and BA, the fifth protection of fish, especially in the period of their spawning, and the fifth cooling of return service water.EFFECT: distant detection, valid classification and accurate identification of spatial coordinates of acoustically barely visible BUO under conditions of higher surrounding noise of anthropogenic and natural character, intensive reverberation at distant detection, hydroacoustic displacement of BUO, failure of management systems of underwater carriers of BUO, mechanical protection of a border against penetration of above-water and underwater carriers of BUO, multi-stage treatment of water from MA and BA, multi-stage cooling of water, used for process purposes, environmental safety.12 dwg

Tidal power station // 2525622
FIELD: power engineering.SUBSTANCE: tidal station comprises dam with several water passages each with hydraulic turbine with blades and water flows forced through its hydraulic turbine, and engine room with electric generator. All hydraulic turbines are integrated by common shaft with electrical generator to make the set, common shaft being arranged along the dam. Water passages are composed of Z-like channel with mid part parallel with common shaft. Inlet and outlet section of S-like channels are inclined to common shaft. Electrical generator is rated to total power of all hydraulic turbines of the set. Integral design of engine room allows decreasing the dam width and application of high-power generators, hence upping the tidal station efficiency.EFFECT: simplified design.1 dwg

Damless submersible modular universal coastal hydroelectric power station and energy complex consisting of several modular hydroelectric power stations united by common platform // 2520336
FIELD: energy.SUBSTANCE: hydroelectric power station comprises a pipe-water passage 2 with a hydraulic turbine 6 mounted in it, connected to the generator 7. The pipe-water passage 2 is mounted in the water reservoir and laid on the bottom of the water reservoir to the platform 8 attached to the coast. The pipe-water passage 2 is additionally provided in the upper part, which rises above the water reservoir level, with the axial pump 9 with a controllable pitch propeller. The hydraulic turbine 6 is mounted in the lower part of the pipe-water passage. The pipe-water passage 2 is fixed at the bottom of the water reservoir and has the openings 4 for entry of water. The energy complex consists of several hydroelectric power stations united by the common platform and having the necessary capacity adjustable by turning on and off the pumps.EFFECT: group of inventions enables to produce electrical energy in different climatic conditions, with the possibility of increasing the unit capacity by increasing the length of the waterfront of the hydroelectric power station.8 cl, 5 dwg

Electrohydraulic system // 2519842
FIELD: electricity.SUBSTANCE: electrohydraulic system contains multi-step concrete pedestals placed in one or more rows where the pedestals in the second row and next rows are placed in gaps between the pedestals in the previous rows. On the steps of the pedestals there are installed wave electric power stations united in the common power generating system, and their floats are placed awash. The pedestals are made as multi-step polygonal prisms, e.g., hexagonal ones, installed around the wave generator. The wave generator is made as a motor 3 mounted on a polygonal, e.g., hexagonal, platform 2, the motor shaft is coupled to a cam gear 4, on which a rod 5 lies with a ball 6 fixed at its end. The second end of the rod is fixed to the platform. The wave electric power stations are installed around the wave generator on multilevel polygonal, e.g., hexagonal prisms with their floats floating awash. All wave electric power stations are coupled to the unit of electric energy accumulation and distribution and the latter is coupled to the motor. Neighbouring groups of polygonal prisms around the wave generator are placed in damped wave zones.EFFECT: invention of additional electric energy generating sources due to wave properties use of different natural water bodies.3 dwg

Underflow filtering water intake of combined design // 2518634
FIELD: construction.SUBSTANCE: invention relates to hydraulic engineering, namely, to water intake facilities used for water intake in areas of rivers with complicated hydrological conditions. An underflow filtering water intake comprises a water collecting gallery 1, on top of which a filtering water intake is arranged, comprising a metal grid 2 and filtering flexible mats laid on top of it in two dense rows. Flexible mats are made of light fascines wrapped in a geonet. The first row 4 of mats is laid along the longitudinal axis of the gallery 1, and the second row 5 is laid across the gallery and in direction of the riverbed flow, and also with the inclination that is more than the inclination of the river bed.EFFECT: increased reliability of water intake operation and provides for possibility of its use for drinking water supply to small settlements, individual enterprises and institutions, private households, and also as a reserve water intake, in case of emergencies in large settlements.2 cl, 5 dwg

ethod to erect underflow filtering water intake of combined design // 2518456
FIELD: construction.SUBSTANCE: invention relates to hydraulic engineering, namely, to water intake facilities erected for water intake in areas of rivers with complicated hydrological conditions. A pit is mined for a water collecting gallery 1, as well as a trench for a tubular water intake 7. The water collecting gallery 1 is erected from solid concrete or reinforced concrete, and then the tubular water intake 7 is erected. On top of the water collecting gallery 1 they install a filtering water intake comprising a metal grid 2. On top of the metal grid 2 they lay flexible mats 2 in two rows, made of light fascines wrapped into a geonet. At the same time the first row 4 of mats 3 is laid above the metal grid 2 in direction of the longitudinal axis of the gallery 1, and the second row 5 - across the gallery 1 and in direction of the river flow, and also with the inclination that is more than the inclination of the river bed. The additional tubular water intake 7 is arranged in front of the water collecting gallery 1 under the river bed at one side and in direction of the river flow. The tubular water intake 7 is made of perforated pipes 8 and flexible mats 3 laid around them. The mouth part of the tubular water intake 7 with inclination enters the gallery 1 at the level of water level.EFFECT: invention provides for higher reliability of operation of an underflow water intake under conditions of mountain, foothill and plain areas of rivers.2 cl, 5 dwg

Hydraulic power system // 2518438
FIELD: energy industry.SUBSTANCE: hydraulic power system comprises multistage concrete pedestals located in two or more rows so that the pedestals of the second and subsequent rows are placed in the gaps between the pedestals of the preceding rows. On the steps of the pedestals the wave power plants are installed connected in the unified energy system, which floats float on the waves. The pedestals are made in the form of multistage polygonal prisms, such as hexagonal, and are arranged around the wave generator. The wave generator is made in the form of a column 2 installed on a concrete polyhedral, for example hexagonal, base 3, on which, above the water surface, the water reservoir 5 is placed with the cuffs 6 at its upper edge, and a conical nozzle 7 in the bottom, and a pump 8 for supplying water in the reservoir. Faces of the prism and the concrete base 2, which are in contact with water, have the shape of a parabola. All the wave power plants are connected to a unit of storage and distribution of the electric energy which is connected to the pump. The groups of adjacent polygonal prisms around the wave generator are located in areas of damped waves.EFFECT: ability to create additional sources of electricity generation through the use of the wave properties of various natural water reservoirs.3 dwg

Generator of hydroelectric power // 2518011
FIELD: energy industry.SUBSTANCE: generator comprises multistage concrete pedestals arranged in two or more rows so that the pedestals of the second and subsequent rows are arranged in the gaps between the pedestals of the preceding rows. On the steps of the pedestals the wave power plants connected in one power system are mounted. The wave power plants are mounted on the multifaceted and multitiered prisms around the wave generator. The wave generator is made in the form of a column 3 mounted on the concrete polygonal prism 2, on which above the water surface in a magnetic bearing the rotating star-shaped, for example a four-rayed, wheel 4 is mounted. The outer end of each ray of the wheel the stone or cast iron polished ball 5 is attached by means of the connecting element 6. On the inner side surfaces of the star-shaped wheel the troughs 7 are made, the distance between which edges is greater than the diameter of the ball 5. The length of the connecting element 6 is greater than the distance from the base of horizontally disposed trough 7 of the star-shaped wheel to the water surface, but less than the depth of the water reservoir. The facets of polygonal concrete pedestal and the multifaceted prism in contact with the waves are designed according to shape of parabola. The star-shaped wheel shaft 4 is connected to the motor shaft 11 which is connected to the outlet of the unit of processing and storing electric energy, connected to a group of wave power plants. In the water reservoir the star-shaped wheel 4 is mounted so that the ball 5 is moved along its course. The connecting element 6 is made in the form of a rope or cable or cord On the water surface in the area of damped waves the similar groups of wave power plants are located.EFFECT: ability to use various natural water reservoirs, lakes, ponds, rivers and other water areas for obtaining hydroelectric power, and increase in the efficiency of their use.3 dwg

Hydraulic power plant of conveyor type // 2515695
FIELD: power engineering.SUBSTANCE: hydraulic power plant of conveyor type submerged into a fluid medium comprises a frame with at least two pairs of guides and shafts installed on it at the opposite sides as capable of rotation. One of the shafts is kinematically connected with a power generator. A flexible element that embraces the shafts is made in the form of a closed chain gear with fixed blades equipped with axes and rollers. The hydraulic power plant is placed in a channel equipped with gateways along the flow with partial submersion of the body into the fluid medium. The flexible element comprises joined links-carriages with combined blades, which consist of at least four V-shaped plates arranged in pairs opposite to each other. Plates in each pair are parallel to each other. Shafts are placed at different levels, and wheels are installed at their ends. Wheels of the shaft arranged below are made as geared and of smaller diameter compared to wheels of the other shaft. The shaft with wheels of the smaller diameter is arranged upstream compared to the shaft with wheels of larger diameter.EFFECT: increased reliability and capacity of a hydraulic power plant.4 cl, 6 dwg

ethod to construct seismic-safe hydraulic power plants that protect rivers and environment // 2514640
FIELD: construction.SUBSTANCE: invention relates to hydraulic engineering and may be used in construction of hydraulic power plants in any area. The method includes construction of a cascade of water reservoirs with small capacity that are built at side river affluents, in area folds or in ravines, aside from the main river bed. Water reservoirs and their dams are arranged at one or both sides of the river at such distance from each other so that water horizons of each subsequent water reservoir of the cascade, starting from the river head, are lower than the bottom of the previous one. All water reservoirs of the cascade are connected to each other by discharge water conduits, water intakes of which are arranged in the lowest points of the dam of the previous water reservoir, and the end, with a hydraulic turbines or hydraulic turbines, for instance, active, cone and generators, on the dam or shores of the subsequent water reservoir, with drainage of water in it from the turbines. The first water intake of the HPP cascade is made, for instance, as a side one from the main river bed.EFFECT: invention provides for river protection as an HPP is constructed on it in its original form, reduced adverse effects from water reservoirs, preserved ecology of the area, where the HPP is being built, provides for the possibility to obtain high HPP capacities from the river without accumulation of high amount of water in water reservoirs, and elimination of domino effect in damage of one or several dams of the HPP cascade.1 dwg

ethod to cool circulating water in cooling pond // 2513145
FIELD: heating.SUBSTANCE: invention relates to the field of power engineering and may be used in return systems of water supply to thermal power plants with a cooling pond. The method includes discharge of warm water into the cooling pond, its cooling and intake of cooled water. To reduce temperature of water taken, barriers are installed onto the bottom of the cooling pond between the discharge and water-intake channels in the amount from 1 to 3, one end of which rests against the shore of the cooling pond of the thermal power plant, and the other one stretches towards the centre of the water area of the cooling pond. Installed barriers forward the natural flow of the circulating water from the thermal power plant shore to the centre of the pond. The height of barriers exceeds the water level in the pond by 0.5 m.EFFECT: higher efficiency of cooling of discharged circulating water of a thermal power plant.1 dwg

Hpp building with staggered location of units // 2513135
FIELD: construction.SUBSTANCE: invention relates to hydraulic engineering and may be used in construction of hydraulic power plants in restricted conditions. The proposed task is solved by the fact that the proposed design of the hydraulic power plant building may locate a large number of units arranged in the horizontal plane at one elevation. The hydraulic power plant includes a turbine hall 1 and hydraulic units 2 arranged in rows. Hydraulic units 2 are arranged in one horizontal plane so that hydraulic units of the next row are placed in the gaps between hydraulic units of the previous row. Arrangement of hydraulic units in two rows, spiral chambers of which are displaced relative to each other, makes it possible to approach axes of the units towards to each other, and thus to reduce length of the HPP turbine hall. Arrangement of the hydraulic power plant building may be across the river bed or at the angle to the river bed.EFFECT: reduced length of an HPP building results in reduction of capital intensity of the entire hydraulic engineering facility.3 cl, 2 dwg

Device to flush water outlet from dirt // 2501908
FIELD: construction.SUBSTANCE: device comprises a supply 1 and a transit 2 channels, coupled with a water-receiving chamber, a draining pipeline with a flat gate in its inlet part and a dirt-collecting lattice 9. At the inlet of the water-receiving chamber there is a wall face. The wall face is made on top with a hollow pipe 8, having air outlet holes 10, connected by flexible hoses 12 with perforated tubes 13, separated on a garbage protection device in the form of the lattice 9. Perforated pipes are fixed on the lattice 9 at the side of the flat gate that closes the inlet hole of the draining pipeline. Perforated pipes 13 are connected to a source of compressed air supplied momentarily with a compressor 14, connected with a time relay 16, along an air duct 15 into a hollow pipe 8.EFFECT: increased efficiency of operation of a device on channels with high inclinations and prevented clogging of a lattice.3 cl, 4 dwg

ethod to control hydraulic accumulating station and device for its realisation // 2500918
FIELD: power engineering.SUBSTANCE: method to control a hydraulic accumulating station (HAS), comprising at least two energy systems, one of which is energy excessive, the other one - energy deficit, and at least two units, on the shaft of each one there is a reversible electric machine and a reversible hydraulic machine, consists in the fact that stator windings of the electric machine of the first unit are connected to the first energy system in the motor mode with the hydraulic machine in the pump mode. Stator windings of the electric machine of the first unit are connected to the energy excessive system. Simultaneously stator windings of the electric machine of the second unit are connected to the energy deficit system in the generator mode with the hydraulic machine in the turbine mode.EFFECT: higher usage of installed HAS equipment and reduced HAS payback period.2 cl, 2 dwg