Bottom hydraulic power plant

FIELD: power engineering.

SUBSTANCE: bottom hydraulic power plant comprises turbines, made in the form of screws 6, installed in a river flow and lowered to its bottom, for instance, from a bridge rack 1 or from a float base, a current generator 15 and its drive. The outer circuit of each turbine represents a cylindrical shell, on the outer side with a coupling 8, for instance, of spindle type, which connects the augers 6, if there are more than one of them, into blocks that may close the entire clear section of the river, if required. Each turbine in the block or the entire block are fixed in bearings on a movable frame 3 that moves preferably in the vertical plane.

EFFECT: invention makes it possible to simplify design and to increase its reliability, development of a hydraulic power plant with submerged turbines, which may take maximum of energy potential from a river during the year.

2 dwg

 

The invention relates to hydropower dam and can be applied in any region of Russia and the World for the free flow of rivers and streams of electric current without construction on rivers dams.

The proposed HPP can be stationary, mobile or floating.

Known, for example, hydroelectric, patent No. 2269672, (author Gao), made in the form of a catamaran that hosts the drive current generators, current generators, the stabilization system parameters of current, active underwater turbine that can operate completely submerged, and its lift. Turbine hydroelectric made in the form of a belt conveyor mounted on the rib at an angle to the flow of the river. Across the entire width and length of the conveyor belt is fixed to the turbine blades, made, for example, from an elastic material. Each blade is made in the form of a ladle able to fold and lie down on the conveyor belt when working at idle branch conveyor having on the outer surface of pocket for automatically lifting blades, the flow of the river, with its transition from idle to working position. In addition, the station is equipped with devices that allow you to change the installation angle of the turbine to the flow of the river during station operation.

Active turbine, patent No. 2269672, lowered the flow of the river on the pantograph and is connected with a generator drive through the overrunning clutch, that allows you to work on one shaft PTO multiple turbines.

Known HPP, patent No. 2161731, (author GeV). In hydroelectric power plants, according to patent No. 2161731, as the engine is used underwater turbine, each blade of which is made in the form of a series of buckets mounted in line with deaf external form, the bottom of which is assembled from overlapping hinged to the outer form of the bucket, blinds, whose axis of rotation does not coincide with their longitudinal axis of symmetry and rotation round its axis is limited, and the shutter is made in the form of two thin plates that are collected in the package. - ("Impulse turbine" Patent RU No. 2161731, C1, Application No. 99122429/06 from 26.010.1999, Publ. Bull. No. 110.01.2001, Author Ushakov GG).

Active turbine, patent No. 2161731, is lowered into the flow of the river on the pantograph and is connected with a generator drive through the overrunning clutch that allows you to work on one shaft PTO multiple turbines. It is well established itself as a turbine capable of operating without reducing efficiency, fully submerged in water, as u (bottom) turbine. theoretical framework developed by the author of the patent No. 2161731, a new type of underwater turbines, published in the journal "ELECTRICITY", No. 1, 2007, In the article "the Experience of developing and testing on ruskai, floating plant improvement and increase of power".

Closest to the technical essence is a hydroelectric power station, in patent EP 0222352 A2, 07.11.1986, F03B 17/06.

According to this invention, bottom hydroelectric, including turbines, frames placed on the bottom of the river with the bridge piers or floating Foundation, generator current, the actuator and the elements of the life support station, characterized in that each turbine station is made in the form of screws, are installed in the flow of the river with the possibility of independent and free from each other, rotation, wound in different directions.

The objective of the invention is to create a hydroelectric power plant with water (ice) turbines, which can take from the river to the maximum of its energy potential throughout the year.

The problem is solved in that the bottom hydroelectric, including turbines, made in the form of screws, are installed in the flow of the river and placed on its bottom, for example, bridge piers or floating base, the current generator and the actuator, characterized in that the outer contour of each turbine consists of a cylindrical shell on the outside with the link, for example zvocnim connecting screws, if more than one, in blocks, can, if necessary, to cover all the living section of the river and a drive current generator, each turbine in b is the eye or the entire the unit is secured in bearings on the mobile, mainly in the vertical plane, the frame.

Figure 1 illustrates the case bottom HPP on the stationary base, side view.

Figure 2 - the same station, type in the plan.

The proposed hydroelectric power plant includes, for example, bridge overpass - 1, which can capture part of the river or to cover all its course, made of two farms having between an open doorway, which is vertically fixed guides - 2, in the guide - 2 mixed up frame - 3.

In part - 3 bearings - 4 fixed movably axis 5, which dressed hub screws - 6.

Screws on the outer contour and feature a cylindrical shell 7. On the outside of the shell 7 of each auger is made engagement - 8, for example zamochnoe, which directly or through satellites - 9 connects the screws if the screws more than one, in one unit turbines, capable, if necessary, to cover all the living section of the river.

One of the screw unit turbines, such as the satellite 10, a bevel gear - 11 fixed to the movable frame 12 cardan transmission - 13 and gear - 14 is connected to the current generator - 15.

Bridge ramp may be closed roof and have a beam hoist - 16, designed for lifting turbine from the river or to install them on the workspace.

Running the system in the following way: the flow of the river, is Asa screws turbines, are in engagement with each other, creates a torque, which from the turbines is transmitted to the power generator. It may change in the process of hydroelectric power by reducing or increasing the number of turbines in the unit and before installing turbines or behind the devices, such as confusion and diffusers, known and used in hydraulic engineering to increase the velocity of flow in the working area of the turbines.

With the direct engagement of one of the screw turbine located near the screw, each screw has the opposite winding of the screw. If screws turbines, under the terms of the project, must have the same winding direction, they are connected through satellites - 9. The total torque from the turbine unit is transmitted to the shaft of the current generator - 15. The generator produces current.

Bottom hydroelectric, including turbines, made in the form of screws, are installed in the flow of the river and placed on its bottom, for example, bridge piers or floating base, the current generator and the actuator, characterized in that the outer contour of each turbine consists of a cylindrical shell on the outside with the link, for example zvocnim connecting screws, if more than one, in blocks, able if necessary to cover all the living section of the river, and a drive current generator, and each of the I turbine unit or whole unit is secured in the bearings for rolling, mainly in the vertical plane, the frame.



 

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