Turbine plant and power plant

FIELD: power engineering.

SUBSTANCE: turbine plant comprises a blading 11, which includes curved blades, an inner end of each one is closed in a cavity 14, open at one side; and a generator 20, arranged in the cavity 14 and connected with the blading 11. Each curved blade has a dynamic structure and is made as capable of increase in size under action of hydrostatic pressure and with the capability of compression under action of counterpressure.

EFFECT: simplified design and efficient operation.

2 cl, 7 dwg

 

The present invention relates to turbine installations, which can be used to produce electricity. Turbine installation can be powered by the flow of fluid, such as wind or water. In particular, turbine installation can be used in the generation of hydroelectric power using the kinetic energy of the water.

The LEVEL of TECHNOLOGY

Known turbine installations for the production of electricity. In U.S. patent No. 5,009,568 disclosed wave power plant, which includes a hydraulic turbine mounted for rotation in the housing on a vertical output shaft. The housing includes a back wall, opposite side, and top and bottom surfaces, forming a water-jet nozzle facing the oncoming waves and directs them into the body. A portion of each of the counter waves may be directed through the divider directly on the front surface of the blades of the turbine, while the other part of the wave is directed to the rear wall of the housing, and then on the front surface of the opposite blades of the turbine.

The turbine can be mounted on the shaft, which is operable connected to move the wheel power generator.

In U.S. patent No. 5,664,418 disclosed wind turbine with the slight pressure from the beginning of the axis, mounted in the frame, which holds a number are located on a circle sickle tubular guide blades. The blades extend in the direction of the center or hub of the turbine using the wind. At the entrance to the hollow inner part of the wind turbines immediately captured. The shaft, which is fixed to the turbine, is connected to the drive shaft, which, in turn, is associated with a differential gearbox. Additionally, there are a pair of detachable drive shafts associated with differential gearbox, through brakes and couplings transmit energy to the electric generator.

In U.S. patent No. 5,451,138 disclosed elongated turbine blades that have an aerodynamic profile and are perpendicular to the direction of fluid flow. The rotation of the turbine is in the same direction regardless of the direction of the fluid flow. In related U.S. patent No. 5,451,137 describes such turbine blades that are helicoidal. Helical structure can be used to convert the energy of the currents, the tides into electrical energy and, in honor of the inventor Alexander Gorlov, called Helical turbine Gorlova.

The analysis of the prior art has shown that the design of the turbine overly complex, h is about hampers their production and increase their cost. In addition, the design of the connection between the turbine and the generator complex, in particular, in U.S. patent No. 5,009,568 and 5,664,418.

TASKS INVENTIONS

The objective of the invention is to create a turbine plants is characterized by simple design and efficient operation.

In addition, according to the invention proposed blading. Another object of the invention is the creation of an effective alternative to existing turbines and turbine blades. Other objectives are clear from the following description.

The INVENTION

One embodiment of the invention relates to turbine installations, including blading and generator. Blading includes curved blades, the inner end of each of which are sealed in the inner cavity. The internal cavity is made open with one hand. Within this cavity is a generator that is attached or affixed to the blading.

The cavity is appropriately sealed with creating, thus, the air pocket for the generator. The cavity may be filled with an insulating medium such as oil or air.

Blading contains a Central hub that provides covering is covered in connection with the dual shaft of the generator. Preferably, the Central hub of biopac the cation has a hollow inner portion, and thus forms a recess for coupling with the shaft of the generator, which is preferably solid and has a protrusion for mating with the recess.

In addition, the generator shaft may also have a socket for connection with the projection of the Central hub of the blading.

Thus, blading can be attached to the shaft of the generator with the ability to detach and, therefore, can be provided with corresponding connecting elements that connect the hub to the shaft of the generator.

It should be noted that the blading according to any of the above structures will rotate the Central shaft of the generator, and consequently, to generate an electric current in the usual manner.

Each of the blades of the blading is made arcuate with the formation of the concave surface, facing the in-leakage of water. The opposite surface may be convex or flat. Preferably, each of the blades has the same width or transverse dimension throughout its length, but this is not essential sign. Each vane may have a dynamic structure, which under the action of hydrostatic pressure can bend with the possibility of increasing in size, and may be compressed under the action of the back pressure.

Each vane may be located the Jena at an angle to the axis of rotation. Is the most appropriate angle of 45 degrees. The angle can vary from one end of the blade to the other.

It is known that the generator can be used to generate DC or AC. The generator can be electric, hydraulic or pneumatic.

BRIEF DESCRIPTION of DRAWINGS

The preferred embodiment of the invention illustrated by the drawings.

1 shows a perspective view of the proposed turbines.

Figure 2 is a view in perspective of the proposed turbines with a spatial separation into parts.

Figure 3 shows a view in section of the turbine shown in figure 1.

Figure 4 schematically shows a top view of the turbine shown in figure 1.

Figure 5 shows a perspective view of the second variant implementation of the proposed turbines.

Figure 6 depicts a perspective view of a third variant of the proposed turbines, and

figure 7 illustrates the placement of the turbine shown in figure 1, on the bottom of the sea or the river.

DETAILED description of the INVENTION WITH REFERENCE TO DRAWINGS

The turbine system 10, depicted in figure 1, contains blading 11 with vanes or blades. Each vane of the blading 11 has an arched shape, as seen in figure 4, and sealed into the internal cavity 14. Each vane has a concave outer on top of the spine 12, which receives a flow of fluid, and convex opposite surface 13. Blading 11 is installed on the flange 17, which is sealed to the inner cavity 14 and is held to the outer end of the blades.

Blading 11 has a Central shaft 15, which rotates through the blading 11. The shaft 15 is connected with fridaysaturday shaft 16 of the generator 20, which is placed in the cavity 14, as most clearly shown in figure 3. In figure 2, which illustrates the spatial separation of the turbine part, shows that the generator 20 is fixed on the base 21. It is most convenient to perform this fix with flange 22 fixed by welds 23. Additionally, there may be used any other suitable fasteners, such as bolts or screws.

The shaft 15 is hollow and has a key groove (not shown), which is associated with key 24 on the shaft 16 of the generator 20. The ledge 24 and the keyway provide rotation of the shaft 16 with blading 11 for actuation of the generator 20. The generator 20 is supplied with electric wires 25 and 26, shown in figure 2, in which the electric current produced by the generator 20.

Figure 3 detailing the turbine 10 in the cut. Conventional generator 20 consists of a housing 27 in which you installed the electromagnets 28. During the rotation of the coil 29 on the shaft 16 MAGNETOM field, generated by the magnets 28, there is electric current flowing through the wires 25, 26. The generator 20 is located in the recess formed by the cavity 14 blading 11. If the turbine 10 is designed to work under water, the cavity 14 dampproof and filled with air, gas or oil so as to provide operation of the generator 20 without sealing. Excess pressure fluid (air, gas or oil) in a cavity of the support due to pump liquid into the cavity with a low speed.

Figure 3 is well depicted that the cavity 14 is open at the bottom, and blading mounted above the generator 20 so that the generator 20 is located in the cavity. It should be noted that the replacement of the generator 20 can be easily performed by removing the blading 11, disconnection of the generator 20 from the base 21 and the installation of a new generator.

During operation of the turbine 10 is placed in the zone of flow of the fluid. Area of flow of the fluid may be a zone in which water flows, for example, river or ocean currents. The turbine 10 may be configured to ensure the production of electricity from the energy of the air flow (wind), however, according to the author, river and ocean currents are more constant than wind. The arrow In figure 4 indicates the direction of flow of the fluid creditca environment enters the concave 12 and the convex surface 13 of each blade 11. Rotating blading 11 in the direction shown by the curved arrow A, provided with a pressure difference between the concave and convex surfaces. Therefore, in contrast to the known turbines, the need for an enclosure for controlling the supply of fluid to the turbine blades is missing. The turbine 10 is placed in the zone of flow of the fluid, and it rotates. It should be noted that the rotation of the turbine are provided in the same direction regardless of the direction of the fluid flow.

Figure 5 shows a second embodiment of the turbine 50, whereby the blade blading 51 have an angle of tilt relative to the shaft 15. The inventor has found that the preferred angle is about 45 degrees, but does not restrict the scope of the invention this angle. In essence, any angle contributes to the fluid mechanics in the turbine 10. The most suitable angle of inclination depends on the concrete implementation. In addition, the angle may vary along the blade from one end to the other. For example, the angle of the blades may be small near the shaft 15 and to increase as the distance from it.

Blades according to a variant of execution depicted in figure 5, have the angle at which the lower part of the blade ahead of its upper part. This design provides the most is e acceptable upward angle. The angle can be reversed in mirror image so that the upper part of the blade ahead of her bottom with the formation of a downward angle. Figure 6 presents another embodiment of a turbine 60, in which the blading 61 equipped with dynamic blades, changing your profile depending on the effort. This result was achieved thanks to the use of the sectional blade such as the blade 62, which is made with the possibility of increasing in size under the action of external forces like the sail. Blades, concave side facing in the direction of the fluid flow, dilate (see Fig.6) for the best capture of this thread. Other blades are compressed to unexpanded profile. Other embodiments of the invention may include provideproperty blades, placed parallel to the rigid frame on the concave side. Under the action of pressure fluid, the blade extends, and when the rotation of the tapers in the opposite direction to the undeformed profile. When rotating in the opposite side of the frame helps to prevent deformation.

Material suitable for the execution of blading, includes plastic or metal, for example aluminium. Turbine installation can be manufactured by extrusion molding, blow molding, or casting.

On fighta two turbine installation, made in accordance with the variants of execution according to Fig 1, 5 or 6. Several turbines together to provide an installation for the production of electricity. The base 71 is installed close to the seabed 72 or riverbed, with each base 71 of the support piles 73 and circuit 74. The base 71 may be hollow or made of a floating material, allowing the turbines to be on the surface. If the base 71 is hollow, it can be filled with water, which leads to the immersion of the turbine, or air, causing it to ascend. Fill the base with water or air is especially appropriate for maintenance purposes, by providing opportunities lifting by crane or replacement of the turbine installation.

Fill the base 71 with water or air can also be useful from the point of view of the regulation of the depth of installation of the turbine, so that the flow rate was maximum. The addition of water in the base is immersed to a lower level. Pumping air into the base provides the displacement of water, and consequently, the ascent of the base to a higher level. The injection of air or the addition of water causes a change in the level of the base with the possibility of the location of turbine installations in the zone of maximum flow.

The inventor believes that this process can be automated by time is edenia at different depths of flow sensors and automatically move the turbine installation depth, where the flow is strongest.

It should be noted that the cavity 14 can be filled with air with the formation of gas or formation of ions as a by-product of the production of electricity by generator 20, which is located in the cavity 14. If maintaining the cavity 14 in the dry state requires an additional amount of air flow can be achieved using a simple air pipe connected with the air compressor on the shore. Air piping can be carried out from the shore together with the wires 25 and 26. The generator 20 in the cavity 14 should be resistant to corrosive environments (e.g., sea water).

Turbine installation according to the invention can be used as underwater hydroelectric power plants that don't cause pollution. Additionally, it is believed that the tides of the ocean can be predicted, and can therefore be ensured reliable operation of the proposed turbine installation.

For professionals it is obvious that when connecting units to the grid can cause numerous problems. Similar problems have already been encountered in the development of various devices for electricity production, for example, wind turbines. Assume that the respective transformers and equipment to ensure harmonization phases dollars which have to be located near the plant, but not under water. For example, when placing the plant under water transformers should be placed on the shore.

For professionals it is also clear that, in practice, the turbine installation should be equipped with various means of protection, such as fail-safe brake systems and overcurrent protection. These devices are well known and for brevity are not discussed in the present description.

The generator 20 is connected to the base so that it can withstand the vibration caused by the rotation of the blading 11. The problem of vibration control is well known to engineers turbostrategy and must be resolved in accordance with the requirements of efficient operation.

The present description discloses the preferred option for the electrical generator, and it should be considered that the invention is not limited to this particular case execution. The generator 20 may be any appropriate device capable of transforming kinetic energy into another useful form of energy.

Thus, the generator may be hydraulic or pneumatic. In conclusion, it should be noted that the blading according to the invention is a simple design and has a direct relationship with the generator located in the cavity of the blading.

1. Turbine installation comprising: oblo the achivaniem, including curved blades, the inner end of each of which terminates in a cavity that is open on one side; and a generator located in the cavity and coupled with blading, each curved blade has a dynamic structure and configured to increase in size under the action of hydrostatic pressure and with the ability to compress under pressure.

2. Turbine installation according to claim 1, in which the cavity is sealed and filled with an insulating medium.

3. Turbine installation according to claim 2, in which the insulating medium is air, gas or oil.

4. Turbine installation according to claim 1, in which the blading includes a Central hub connected to the shaft of the generator.

5. Turbine installation according to claim 4, in which the Central hub has a detachable connection with the shaft of the generator.

6. Turbine installation according to claim 4, in which the Central hub has a socket for connection with the shaft of the generator.

7. Turbine installation according to claim 4, in which the Central hub has a protrusion for mating with a socket made in the shaft of the generator.

8. Turbine installation according to claim 6 or 7, in which the shaft has a protrusion associated with keyway in the socket, or the socket has a flange which is connected with keyway on the shaft.

9. Turbine installation according to claim 1, in which the blading will win the flange, passing from the cavity to the outer end of the blades.

10. Turbine installation according to claim 1, in which the curved blade has a concave surface and an opposite convex surface.

11. Turbine installation according to claim 1, in which each curved blade has the same width along its entire length.

12. Turbine installation according to claim 1, in which each curved blade lies at an angle to the axis of rotation.

13. Turbine installation according to item 12, in which the tilt angle is 45°.

14. Turbine installation according to item 12, in which the angle of inclination is variable along the length of the scapula.

15. The plant, which contains two or more turbine installations, each of which includes: blading, containing curved blades, the inner end of each of which terminates in a cavity that is open on one side; and a generator located in the cavity and connected with the blading, and each curved blade has a dynamic structure and configured to increase in size under the action of hydrostatic pressure and with the ability to compress under pressure.

16. The power plant according to item 15, in which each turbine plant comprises a hollow base.

17. The power plant according to clause 16, in which the hollow base filled with a buoyant material.

18. The power plant according to clause 16, to the second hollow base filled with air or water to control the depth location of the power plant under water.

19. The power plant according to clause 15, which additionally contains a device for mounting below the water plant to the seabed or riverbed.



 

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