Float block hydroelectric power plant based on the undershoot water wheels with active blades

FIELD: power industry.

SUBSTANCE: hydroelectric power plant contains the identical blocks. Each of the blocks consists of a switchboard, floats, between which the frame with working channel tapered box is fixed and mounted undershoot water wheels with active blades on the parallel horizontal shafts, connected to the electric generator. The wheels are made as a set of coils with mutually perpendicular guide rails for the blades, dampers, limiters and balancing weights. The stepless control system is introduced, it contains mounted on the frame the intermediate and primary bumpers, the ramps, the axles with drop-down doors, the brackets with springs, providing the stretch of the ropes in the slugs of the flaps opening angle adjustment mechanism by the servo motor, mounted in the caisson tray, fixed on the frame. The floats are made in the form of sectional tanks with seacocks. Additionally, the compressor is introduced, it is connected to the caisson tray and the floats.

EFFECT: creation of the environmentally friendly simple design, which allows to increase the volume of the power generation.

7 dwg

 



 

Same patents:

Hydraulic turbine // 2544402

FIELD: power engineering.

SUBSTANCE: this turbine comprises water duct 1 connected with top and bottom cases 3 and 6 accommodating impeller 2 with buckets 4 arranged regularly at the disc and made of two identical all-in-one metal sheets to produce the angle smaller than 180 degrees there between and stiffness rib on opposite side. Through hole is made at the centre of every sheet. Turbine impeller 2 shaft 5 is arranged on LH and RH interconnected stator column reinforced concrete supports. Stator sealing walls, inner surfaces of cases 3 and 6 and rings 11 secured at stator columns to cover the disc of impeller 2 form the toroid rectangular section channel.

EFFECT: simple and reliable high output turbine, longer life.

5 dwg

FIELD: power industry.

SUBSTANCE: invention can be used in hydraulic power industry as an energy conversion device of a gravity water flow to electrical energy. A damless hydro-electric power plant includes a blade wheel and a housing installed on a support. The central vertical part of the housing is made in the form of a hollow sealed cylinder filled with water or air when necessary. The horizontal part of the housing, which is rigidly attached to a cylinder, represents a truss, on which there arranged is an annular track for support rollers of a bladed wheel, a bladed wheel rotated about the hollow cylinder, a support of driven sprocket 6 of the first stage of a kinematic circuit for transmission of revolutions from the bladed wheel to an electrical energy generator, side enclosures functionally performing a role of input and output diffusers A, B.

EFFECT: invention is aimed at improvement of an efficiency factor, simplification of a design and increase of unit power.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: invention relates to flow energy converters located along it and taking hydraulic energy at the distance determined by the converter length. A mini hydro-electric power plant includes a screw consisting of a cylinder with blades on its surface. The cylinder is connected to the generator and located along a water flow. The blades are made in the form of several pipes uniformly located along the cylinder surface along a helicoid line. A confuser with maximum cone diameter equal to the cylinder diameter and a diffuser the minimum diameter of which is equal to a sum of the cylinder diameter and two diameters of pipes at their inlet are connected to the cylinder. Outlet ends of the pipes are provided with tips installed at a tangent to cylindrical surface.

EFFECT: invention is aimed at increase of efficiency and specific output power owing to increasing the effect of obtaining higher pressure from a moving flow and simultaneous use of a jet component of the flow.

2 cl, 1 dwg

FIELD: energy industry.

SUBSTANCE: hydro-electric power-plant comprises electric generators, bearings and a float. On the base of the device the confusers and diffusers are mounted one behind the other. Between the confusers and diffusers the blade grid is located with the ability of vertical motion relative to the confusers and diffusers. The frictionless bearings are mounted on the support above the water flow.

EFFECT: obtaining electrical power with high efficiency, reliability and constant rate of rotation of the electric generators.

2 dwg

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

FIELD: power engineering.

SUBSTANCE: invention is related to the field of hydroelectric generation of power. A spherical turbine 96 is made for rotation in transverse direction in a cylindrical pipe under action of a working substance flowing through the pipe in any direction. The turbine 96 is in working condition connected with a rotary machine or generator for power generation. In one example of realisation the blades 112, 114, 116, 118 of the spherical turbine 96 are arched approximately by 180 degrees in the plane, which is inclined at the angle relative to the axis of rotation of a central shaft 64. In the other example of realisation inside the cylindrical pipe there is a deflector along the upstream of the spherical turbine 96 to control the flow via the spherical turbine 96 by screening of the part of this flow.

EFFECT: blades 112, 114, 116, 118 of the spherical turbine 96 have in cross section an aerodynamic profile for optimisation of hydrodynamic flow, to minimise cavitation and to maximise axial energy conversion into rotation energy.

28 cl, 7 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to hydraulic power engineering and can be used for conversion of kinetic power of waste water. Proposed device comprises water-wheel 1 composed by rigidly jointed sidewalls 3, blades 4 and hub, water feed system 8 and water discharge system and water retaining element 9 secured at the housing. Said curved housing extends from water-wheel wall bottom point to top point on water-wheel working part and features width equal to that of water-wheel 1. Device comprises second water-wheel 1 in design identical to that of first water-wheel 1 and equipped with the same water retaining element 9. Both said wheels are articulated via gearing and mounted at housing 7. The latter is composed by two plates interconnected by elements 9 in symmetry with water feed system vertical axis at the distance of water-wheel 1 radius. Rectangular plate-shape blades 4 are fitted at the hub and walls 3. Pockets are composed between hub inner surfaces, blades 4 and walls 3 to be completely filled with water on the side of working parts of two water-wheels 1 to retain water at rotation to bottom point.

EFFECT: higher specific power and efficiency, perfected design.

2 dwg

FIELD: power engineering.

SUBSTANCE: hydraulic energy-generating plant 1 comprises a body 2 with a hole 8 for supply of water, arranged at the discharge side of the hydraulic canal, a hole 9 for water discharge, arranged at its bottom side, a channel 25, providing for connection of holes 8 and 9, a board 6 for collection of water, a vertical axial turbine 3, a generator 4 and a movable lock 5. The board 6 is arranged at the edge of the hole 8 and collects water in the hole 8 by means of catching and accumulating water flowing along the hydraulic canal. The turbine 3 is installed with the possibility of rotation in the channel 25 and comprises rotor blades. A generator generates energy, accepting the rotary force of the turbine 3. The lock 5 is made as capable of controlling the level of accumulated water at the discharge side of the hydraulic canal by means of variation of the area of the cross section of water flow, acting at the upper end of the blade of the turbine 3 as it arrives from the hole 8.

EFFECT: development of a hydraulic energy-generating plant, made with the capability to adjust water level at the discharge side and providing for stable quantity of generated energy with simple maintenance.

6 cl, 30 dwg

FIELD: power engineering.

SUBSTANCE: device to convert energy of spent water into electric energy comprises a vertical forward-flow channel in the form of a pipe with a hydraulic generator connected to a load in the lower part, in which there is a hydraulic generator screw with blades. The device additionally includes an expanding reservoir, equipped with washing waves, lower and upper air nozzles, providing for accordingly supply of ascending air flow, which additionally rotates the screw blades, and its bleeding. The screw blades have a cone-shaped section, which prevents accumulation of deposits in areas of connection with the shaft. There is a control system, which accumulates and redistributed the produced energy.

EFFECT: increased operational reliability and provision of stable operation.

2 dwg

FIELD: power engineering.

SUBSTANCE: hydroelectric plant comprises a floating base made in the form of a catamaran, between bodies 1 of which there is a channel formed, a water wheel 2 arranged in the latter, with blades 3 fixed on its outer surface and an electric generator 4 kinematically connected with a shaft 5 of the water wheel 2. Walls of the channel formed by bodies 1 of the catamaran are made as narrowing. The channel is symmetrical relative to the plane stretching via the axis of the water wheel 2. To the outer wall of the catamaran body 1, on which the electric generator 4 is located, a shield 7 is fixed at the angle to the flow, and on its upper part a rope 9 is fastened that attaches the plant to the coast. An electric cable connecting the electric generator 4 with a load is fixed freely to the rope 9.

EFFECT: simplified possibility to fix a hydroelectric plant in a certain area of a water stream.

1 dwg

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

FIELD: power industry.

SUBSTANCE: group of inventions relates to a device for generation of energy from fluid medium and to a blade used in it, and can be used in particular in wind generators. A blade for the device for energy generation from fluid medium includes a guide surface inside which fluid medium shall move to rotate the blade about rotation axis Xo that together with axes Yo, Zo forms an orthogonal system of coordinates Xo, Yo, Zo. The above blade is restricted with front edge (4) and rear edge (5), constricted between front edge (4) and rear edge (5) and passes along midline (10). Projection of midline (10) onto plane Xo, Yo has the first curvature. Plane Xo, Yo is formed with a possibility of containing midline (10) at front edge (4).

EFFECT: group of inventions is aimed at improvement of output power of an energy generation device.

15 cl, 8 dwg

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

FIELD: power industry.

SUBSTANCE: invention relates to hydraulic power engineering. The hydro-electric power plant contains frame-mounted 6 hydraulic turbine 1 designed with a possibility of rotation around a horizontal axis, kinematically connected with the electric generator 2, the flow shaper 5 designed as a confusor interconnected with the working channel where the hydraulic turbine 1, the anchor device, ballast vessel 11 and a guidance blade are located. In the plant the even number of hydraulic turbines 1 is used which are located symmetrically with reference to the longitudinal axis 22 of the unit along which axes of their rotation are aligned. The turbines 1 are rotated in opposite directions. The lower plane of the flow shaper 5 is placed horizontally. The ends of rods 7 of the anchor device fastened to the rope 8 interconnected with the anchor 9 are fixed on the slides 16 installed with a possibility of reciprocating movement along the stands 14 which are rigidly fixed on each side installations at its front end. The guidance blade is designed as two plates 13 fixed on the frame 6 on each side of the unit at its back end out of the hydrodynamic shadow of the flow shaper 5. Total length of the rope 8 and rods 7 exceeds the water area depth at the unit location.

EFFECT: invention provides reliable positioning of the device in the horizontal plane, at its placement without "sitting" to the water area bottom.

3 cl, 3 dwg

FIELD: power industry.

SUBSTANCE: unit contains the bladed wheel immersed into the water flow under the river ice cover. The wheel by means of the shaft installed in the cylindrical housing on bearings is kinematically connected with the generator. The housing is fixed in a vertical position in the ice cover in such a way that its top part together with the generator is located above the ice cover surface. The top part of the housing is designed with formation of adjusting disk to which the generator is attached. The unit also comprises a base board with longitudinal rectangular cut in the middle, and two supports. The base board length is greater than the ice-hole length along the direction of the water flow in the river. By means of two longitudinal and transversal surfaces of the cut the board is able to interact with the external surface of the housing. Supports are able to interact with the base board and the adjusting disk and are placed perpendicular to the axis of symmetry of the basic board.

EFFECT: creation of the simple hydro-electric power plant with a possibility of its use for power generation utilising the energy of hydraulic flow of the river covered with ice.

2 cl, 3 dwg

Power plant // 2552589

FIELD: power engineering.

SUBSTANCE: power plant relates to the field of small power, namely to plants using energy of river flow. A power plant comprises a body, a hydraulic engine 27 is installed in it with a working element, a power generator 18, installed above the hydraulic engine 27. The working element is installed as capable of interaction with the water flow arriving via the receiving inlet into the working zone of the body, leaving it and being captured by the river flow, increasing the speed of flow outlet. The plant is equipped with a freewheeling clutch 29 and a wind engine 28 installed in series in a row above a power generator 18 and a hydraulic engine 27. Working elements of the hydraulic engine 27 are made as assembled from radial blades installed on axes between support rings mounted on the shaft by means of spikes. Blades are made as capable of rotation on axes to limiters and automatic installation into working and non-working position by the fluid flow. The wind engine 28 is made as acting similarly to the hydraulic engine 27. The plant is made as capable of rotation in the bearing installed on the head. The head is installed on the plant as fixed.

EFFECT: invention is aimed at provision of the possibility of continuous operation of a power plant.

5 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to hydraulic power plants and methods of power production. The main element of the hydraulic power plant is aerodynamic surface in the form of a wing, in the body of which there is a channel that connects opposite surfaces of a wing. Water sucked into this channel rotates the turbine and the power generator connected to it. The plant may be stationary or mobile.

EFFECT: design improvement.

9 cl, 14 dwg

FIELD: power industry.

SUBSTANCE: invention can be used in hydraulic power industry as an energy conversion device of a gravity water flow to electrical energy. A damless hydro-electric power plant includes a blade wheel and a housing installed on a support. The central vertical part of the housing is made in the form of a hollow sealed cylinder filled with water or air when necessary. The horizontal part of the housing, which is rigidly attached to a cylinder, represents a truss, on which there arranged is an annular track for support rollers of a bladed wheel, a bladed wheel rotated about the hollow cylinder, a support of driven sprocket 6 of the first stage of a kinematic circuit for transmission of revolutions from the bladed wheel to an electrical energy generator, side enclosures functionally performing a role of input and output diffusers A, B.

EFFECT: invention is aimed at improvement of an efficiency factor, simplification of a design and increase of unit power.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: method of flowing medium energy utilisation involves guiding a fluid medium flow to diffuser 11 where the flow is accelerated and then fed to duct 3 where it is additionally accelerated due to gradual duct 3 cross-section reduction, further conversion of kinetic flow energy into mechanical power by guiding the flow to at least one work wheel 5 with blades 6, installed in the duct 3, and further deceleration of the flow. Blades 6 of the work wheel 5 are tapered in width from inlet towards the outlet edge, side surface of the blades is convex, and outlet edge is shifted against inlet edge.

EFFECT: increased flowing medium energy utilisation rate.

7 cl, 3 dwg

FIELD: power industry.

SUBSTANCE: invention relates to flow energy converters located along it and taking hydraulic energy at the distance determined by the converter length. A mini hydro-electric power plant includes a screw consisting of a cylinder with blades on its surface. The cylinder is connected to the generator and located along a water flow. The blades are made in the form of several pipes uniformly located along the cylinder surface along a helicoid line. A confuser with maximum cone diameter equal to the cylinder diameter and a diffuser the minimum diameter of which is equal to a sum of the cylinder diameter and two diameters of pipes at their inlet are connected to the cylinder. Outlet ends of the pipes are provided with tips installed at a tangent to cylindrical surface.

EFFECT: invention is aimed at increase of efficiency and specific output power owing to increasing the effect of obtaining higher pressure from a moving flow and simultaneous use of a jet component of the flow.

2 cl, 1 dwg

Downcomer // 2556452

FIELD: machine building.

SUBSTANCE: downcomer contains input and main sections with walls limited by surfaces of rotation. Walls of input and main sections are provided with internal superhydrophobic film coating. Wall of the main section is made in form of connected power mesh and internal superhydrophobic film with system of microholes. Axes of the microholes make with the pipe axis directed from input section to output of the main section the angle from 90 to 160 degrees.

EFFECT: reduced lifting force.

2 cl, 3 dwg

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