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INVENTION
Russian Federation Patent RU2282747
METHOD FOR TRANSFER OF HEAT accumulated in wind power and wind power plant with a power storage
Name of the inventor: Stanislav Gusak (UA); Ganzelinsky Sergey (UA); Dementienko Alexander
The name of the patentee: Gander Stanislav (UA); Ganzelinsky Sergey (UA); Dementienko Alexander
Address for correspondence: 49005, Dnepropetrovsk, st. Simferopol, 19, kv.64, SI Husak
Starting date of the patent: 2004.11.16
The invention relates to the field of power industry, in particular to methods for transmission of stored thermal energy in wind power plants and wind power energy accumulation. The technical result is to increase the heat transfer surface between the heated water in the tank and the wind flow, which can improve wind flow temperature and thus increase the speed of passage for the exhaust pipe to the wind wheel. In a preferred embodiment, the wind power plant with the accumulation of energy, which was done a method for transmitting accumulated thermal energy comprises a wind wheel with vertical axis at the top of the chimney, around which is helically therealong disposed guides confused channels which are narrowed towards the exhaust pipe, and the bottom of the exhaust pipe is spiral-like around the vertical axis of the exhaust pipe, at least one air channel that houses at least one sprayer heated water from the reservoir in which water is heated by the excess energy of the power plant and / or additionally by solar radiation.
DESCRIPTION OF THE INVENTION
The invention relates to the power industry, in particular a method for transmitting heat energy accumulated in the wind power plants themselves and wind power energy accumulation, which are designed for converting mechanical wind energy into electrical and thermal energy from the accumulation of this energy reduction during its use.
The closest to the claimed solution of the technical essence and achieved technical result are:
- The method of transmission of stored thermal energy in the wind power plant, the authors disclosed. St. USSR 1671955, publ. 1991.08.23, IPC 5 F 03 D 9/00, consists in the fact that the heated water in the first tank and performing the subsequent transfer of the thermal energy of the heated water the wind flow which wind wheel rotates further in the chimney. In this method, the heated water passes from the first reservoir through the first tubular heater, the heat is transmitted wind flow at the bottom of the first exhaust pipe. In the same way this method operates by transmitting heat from the heated water from the second reservoir through the second tubular heater wind flow at the bottom of the second exhaust pipe. The water is heated in the first and second tanks operate by excess wind energy installation.
- Wind power plant with energy storage by the authors. St. USSR 1671955, publ. 1991.08.23, IPC 5 F 03 D 9/00, which is provided with a top, an exhaust pipe, at least one wind wheel which is kinematically connected to the energy converter, heat source water in the first tank in which the thermal energy is accumulated. This installation comprises a first tubular heater of the wind flow which is located in the lower part of the knee, the first exhaust pipe which is immersed in the water of the first tank. This installation comprises a second reservoir and second wind wheel above the second exhaust pipe, the bottom of which is in the form of a knee, there is a second tubular heater and the wind flow which second submerged tank. Heat source water in the first and second tanks is a compressor that converts excess wind energy into thermal energy.
The main disadvantage of this method of transmission of stored thermal energy in the wind power plant and a wind power plant with a power accumulation, which was done this method is the low heat transfer area between the hot water and the wind flow that is due to using for the intermediate heat transfer medium in the form of first and second tubular heaters Windscreen flow in the first and second exhaust pipes. And this leads to low wind flow temperature of the bottom of the chimney, and consequently, its low speed and a correspondingly low kinetic energy when it passes to the wind wheel in the first and second exhaust pipes.
A second drawback of the method and the power plant on it is the low kinetic energy of the wind flow in the first and second exhaust pipes due to its low weight.
The basis of the invention is to provide an efficient method for transmitting the accumulated thermal energy in a wind power plant and a wind power plant with a power accumulation, which was done this way by increasing the heat transfer surface between the heated water and the wind flow that will improve wind flow temperature at the bottom of the chimney and thereby increase the speed of its passage by the exhaust pipe to the wind wheel. Furthermore, this improvement will allow wind flow kinetic energy by increasing its mass.
The problem is solved by the fact that according to the method of transmission of stored thermal energy in the wind power plant is the fact that the heated water in the tank and carry out the subsequent transfer of thermal energy of the heated water wind flow, which further rotates the wind wheel in the chimney. In this case the transfer of thermal energy wind flow atomization carry it in a heated water tank. Furthermore, heated water atomization in a wind stream is performed in the direction of its movement. Wherein the water heating and atomizing it in a wind stream of the air channel is performed by using at least two tanks. The water is heated in the tank is performed by the energy, which produces plant. and heating the water in the tank is performed by the solar radiation.
The task is solved in that the wind power plant with energy accumulation, which is provided with a top, an exhaust pipe, at least one wind wheel which is kinematically connected to a power inverter, a source of water in the heating tank in which accumulate heat. Power plant comprises at least one air channel with inlet and outlet openings of the wind flow, with the air passage is located in at least one sprayer heated water from the tank and an outlet air duct connected to the exhaust pipe. Moreover, each heated water sprayer situated in the air duct for atomization in the direction of wind flow. The outlet of each air passage has an outlet valve adjustable to allow the overlap of the outlet.
The inlet of each air passage has an inlet adjustable valve to allow overlap of the inlet. And each air passage is tapered toward the exhaust pipe. Thus, each air channel is located below the lower exhaust pipe section. Each air channel is angled upwardly in the direction towards the exhaust pipe. Each air passage near the exhaust pipe is formed by a rising spiral. Furthermore, each air passage is spiral-like around the exhaust pipe. and power plant comprises adjustment a chimney at least one tier guides converging channels are arranged spiral-like in the plan around and spirally along the exhaust pipe and formed narrowed towards the chimney, with the respective inlets and outlets, the inlets are located in a broad section converging guide channels, and the output made in a narrow section of the chimney, each guide channel confuser and each air passage has a spiral twist in one direction. In this spiral twist confuser each guide channel, and each air channel is directed in one direction and a twist spiral channel near each air exhaust pipe. and power plant comprises at least a second tank for heating the water therein.
The upper surface of each vessel is transparent to solar radiation. Moreover, this upper surface of each vessel is transparent as concentrators of solar radiation. Above the water level in each reservoir is located at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is placed in water. Moreover, the air passage is located above the corresponding tank. A top surface of the air channel is transparent to solar radiation. Moreover, this upper surface of each air passage formed in the form of transparent solar concentrators. A surface of the water in each tank a thermal barrier coating disposed. and above the water level in each air channel is located at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is located in the corresponding water tank. The receiver of solar radiation in each air passage is formed aligned with the corresponding spray of heated water.
Implementation in accordance with the process of heat transfer, the heated water in the tank, wind flow therein by spraying the heated water can significantly increase the heat transfer surface, which is performed directly from the heated water to a wind flow without an intermediate heat transfer medium. In this case, the smaller will be the water droplets that the spray, the more will be the heat transfer surface. And this, in turn, will increase the wind flow temperature at the bottom of the chimney and the more it will increase the rate of passage through the exhaust pipe to the wind wheel. Moreover, it allows to increase the wind flow and mass by saturating it with hot water spray and thereby increase its kinetic energy. All of this enhances the efficiency of wind power, which is used in this method of heat transfer.
Spraying hot water in the wind flow is performed in the direction of its movement, which ensures optimal conditions pickup droplets sprayed hot water wind flow without reducing its speed.
Implementation of the water heating and atomizing it in a wind stream of the air channel at least with the use of two tanks enables to perform sequential or simultaneous as heating water in the formulation ehnergoustanovkoj excess energy in the various tanks and sequential sampling of heated water from the various tanks for spraying it into the air duct by decreasing energy generating power plant required to maintain the desired temperature of the wind flow in the air duct.
Implementation of heating in the tank due to the energy of water, which makes the installation, you can direct the water to the heating of the excess energy, which produces wind power plant.
Running hot water in the tank due to solar radiation allows for additional heating of water without the use of energy, which produces wind power plant. And it increases the efficiency of the power plant operation.
Running wind power for at least one air passage to the location in each of at least one spray of heated water from the tank can significantly increase the heat transfer surface. This is done directly from the heated water to the wind flow, with a heat transfer surface is increased by decreasing the size of the droplets of the heated water that is atomized and air as the number of channels and increasing the number of nozzles in each of them. All this allows to increase the wind flow temperature at the bottom of the chimney, has a resulting increase in the rate of its passage through the exhaust pipe. The mass flow of wind through its spray heated water saturation increases, which contributes to increase its kinetic energy to improve the efficiency of the power plant operation.
The location of each sprayer heated water in the air duct for spraying it in the direction of the wind flow and provides optimal conditions pickup droplets sprayed hot water wind flow without reducing its speed.
Execution of each air outlet channel with an output adjustable valve allows control of the amount of wind flow which reaches the exhaust pipe with complete overlap of the orifice in the absence of the need to increase the wind velocity.
Execution of each air inlet channel with an inlet valve allows controlled regulation of the amount of outside air which enters into each air duct with complete overlap of the inlet in the absence of the need to increase the wind velocity, and to prevent decrease in temperature therein.
Perform each air passage narrowed toward the exhaust pipe in the plane and in height, allows to increase the speed of the wind flow in each air channel due to its different section: greater in the inlet and smaller at the outlet. It thereby improves the efficiency of the power plant.
The location of each air duct section below the lower exhaust pipe enables the use of atmospheric pressure and temperature difference between the upper and lower parts of the exhaust pipe while using the whole of its height, which increases the speed of wind flow therein.
Execution of each air path at an angle upwards towards the chimney and allows to increase both the speed of wind flow therein and in the exhaust pipe, and that enhances the seizure of the spray droplets of the heated water.
Execution of each channel near the air exhaust pipe of rising spirals directed to smooth the wind flow from the air passage in the chimney passage, thereby reducing wind flow resistance at this location. A and ensures the formation of a vortex in the chimney of the working ring of the wind flow, which is aimed at improving its speed and kinetic energy, respectively.
The location of each spiral-air passage around the exhaust pipe and directed to the formation of a vortex in the exhaust pipe of the working ring of the wind flow for a corresponding increase in its velocity and kinetic energy.
Implementation of the power plant with tiers of converging guide channels, twisting in a spiral and each of which has an air channel in one direction and directed to the formation in the chimney of a vortex ring operating wind flow for a corresponding increase in its velocity and kinetic energy.
Twist direction spiral confuser each guide channel, and each air duct in one direction and at each twist of the spiral air passage near a chimney and allows the formation of a vortex in the exhaust pipe of the wind flow of the working ring to a corresponding increase in its velocity and kinetic energy.
Performing a second power plant and a large number of reservoirs for hot water allows a sequential or simultaneous heating of water in tanks at various excess energy generation power plant. A further and provide sequential sampling of the hot water tanks of different spraying it in one or more of the air ducts decreases the necessary energy generating power plant that provides support to a predetermined temperature and wind flow rate corresponding to the air duct. In one embodiment, the fence is performed simultaneously heated water from different reservoirs.
Performing the upper surface of each container transparent to solar radiation provides an additional water heating.
Performing the upper surface of each container in the form of transparent solar concentrators allows further increase in hot water tank.
Location above the water level in each tank by at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is placed in water, and allows increase in the water temperature in the tank due to solar radiation.
Location of the corresponding air passage on the respective tank ensures that the air passage, wherein the wind stream is contacted in the most part from the surface of the water in the reservoir, thereby further supports both its temperature and the saturation vapor of the heated water, which increases the speed and mass of the windscreen flow to increase its kinetic energy.
Performing the upper surface of the air channel is transparent to solar radiation contributes additional heating of the wind flow in the air duct and the water in the tank.
Performing the upper surface of each air passage in the form of transparent solar concentrators, and promotes heating of the wind flow in the air duct and the water in the tank.
Location on the water surface in each reservoir thermal barrier coating helps to preserve the temperature of the heated water in the tank.
Location above the water level in each air passage, at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is located in the respective water reservoir, water enhances additional heating.
Performing a solar radiation receiver in each air passage aligned with the corresponding spray heated water provides additional heating of water during its atomization and reducing wind flow resistance and spray receiver.
The above confirms the cause-and-effect relationships between the set of essential features of the claimed invention and achievable technical result.
This set of essential features enables comparison with the prototype for the method of transmission of stored thermal energy in the wind power plant and a wind power plant with energy accumulation, which was done this way provide increased heat transfer surface area between the hot water and the wind flow to increase the temperature at the bottom of the chimney and the speed of its passage in the exhaust pipe to the wind wheel. Furthermore, it enables further increase of the kinetic energy of the wind flow by increasing its mass.
According to the authors, the claimed technical solution meets the criteria of invention "novelty" and "inventive step", because the set of essential features that characterize the mode of transmission of stored thermal energy in the wind power plant and wind power plant with energy storage is new and does not follow explicitly from prior art.
The claimed invention is explained by a drawing, in which identical elements have the same reference numerals and wherein
1 - illustrated wind power plant with energy storage, which is carried out according to the claimed method for transmission of stored thermal energy, a general view, a vertical section of a scan ducts, tanks.
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2 - a section along A-A in Figure 1; Figure 3 - a section along B-B in Figure 1.
METHOD OF TRANSMISSION stored energy in wind power
Carried out as follows
In the case of excess power generation wind power plant, while reducing the need for it to users, this energy goes into heating the water in the heat-insulated tank in which this excess energy is stored in the form of thermal energy. Further, with increasing requirements for this energy to the users, or with a decrease in external wind flow heated water from the reservoir is atomized in the wind flow in the direction of its movement in the installation and which further rotates the wind wheel above the chimney, which in turn rotates electric generator for electricity.
In the second embodiment, this additional heating process is performed in a tank of water through the use of solar radiation through the transparent upper surface of the insulated tank.
In one embodiment of this method, water heating is performed sequentially or simultaneously in two or more tanks, and atomization of the heated water is performed sequentially in two or more vessels to support a predetermined wind flow temperature at the bottom of the chimney due to the fact that for atomization of one reservoir water is cooled and when the temperature is below a predetermined atomization runs hotter water from the tank to the second repetition in the future, if necessary, of the process.
in other embodiments, this method atomization heated water is performed in the air ducts, which are located around the lower part of the exhaust pipe and the bottom most draft tube or in the lower tiers guides converging channels that are arranged around and at a height of the chimney, or combinations of these.
A preferred embodiment of the inventive wind power energy accumulation, which was done by the method of transmission of stored thermal energy in accordance with Figures 1-2 comprises an exhaust pipe 1, the upper part of which there is at least one wind wheel 2 with a vertical axis 3 and is connected kinematically with energy converter in a power generator (not shown), the chimney height tiers arranged one 4.1-4.N converging guide channels (SAC) 5.1-5.N, each of which is located in the plane spiral-helically around and along the exhaust pipe 1 and is formed narrowed toward the exhaust pipe 1. in this case, a wide section, in accordance with Figure 3, located in the NCC 5.1-5.N corresponding inlets 6.1-6. N, and at their narrowest cross section - 7.1-7.N corresponding output port. Around the lower part of the exhaust pipe is located one spiral-air channels 8, 9 with the respective tanks 10, 11 for the heated water. The air channels 8, 9 are made with a respective input 12, output 13 and 14, holes 15 and exhaust pipe 1 near the air channels 8, 9 are made on the rising spiral 16. Thus in that part of the lower surface of the air channels 8, 9 is in contact with a smooth water level in the respective tank 10, 11. The tanks 10, 11 are disposed corresponding to the water in water heating sources in the form of thermoelectric power heaters 17.1-17.N and 18.1-18.N, and the air passages 8, 9 - 19.1-19 respective sprayers .N and 20.1-20.N, which are arranged for spraying the heated water in the direction of wind flow. The air channels 8, 9 are made in terms of narrowed toward the exhaust pipe 1 and the vicinity thereof are made height and narrowed. Inlets 12, 13 have respective adjustable valves 21, 22 and outlet openings 14, 15 are arranged in a narrow section of the air channels 8, 9 in the exhaust pipe 1, and have respective adjustable flap 23, 24 that are configured to allow the respective overlap these input 12 13 and output 14, 15 holes. In this spiral twist of each air channel 8, 9 directed in the same direction with a twist spiral rising part 16 of the air channels 8, 9 close to the exhaust pipe 1 in one direction and a twist NCC 5.1-5.N. The walls of the tanks 10, 11 and air channels 8, 9 are thermally insulated, and the upper surface 25 of the air channel 8, 9 is insulated and transparent to solar radiation in the form of a hub (not shown) of the solar radiation.
In one embodiment, the air passages 8, 9 and the tanks 10, 11 are arranged separately from one another, wherein the air channels 8, 9 may be angled upwards and narrowed in the horizontal and vertical direction to the exhaust pipe 1 to increase the wind velocity flow therein. Moreover, the number of tanks may be greater than the number of air channels to provide a consistent selection of heated water to each air passage of the first tank, and after reducing the temperature of water in it from the second reservoir to a higher temperature of the heated water. In this embodiment, the upper surface of each insulated tank is made and transparent to solar radiation. This transparent surface may be made as a solar radiation concentrator in which a series of optical lenses can be used. And above the water level in the tank is at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is located in the corresponding water tank. solar radiation receiver is made of a material with high thermal conductivity, such as aluminum with a blackened surface. In this solar receiver may be arranged aligned with the corresponding spray of heated water. In this embodiment each air passage is formed with a capacity for the accumulation of condensate.
In a second implementation of the power plant at the location of the air channels embodiments 8, 9 below the lower exhaust pipe section 1 and, respectively, below the ground level corresponding to the inlet openings 12, 13 are connected to respective air intakes in the form of inclined or vertical channels (not shown).
In one embodiment, wind wheel 2 is satisfied, for example, inclined to the vertical axis.
and in one embodiment the air ducts may be arranged radially.
Wind power plant with energy storage works as follows.
In the initial position inputs 12, 13 and outputs 14, 15 opening of air channels 8, 9 closed by respective dampers 21, 22 and 23, 24 and the power plant is in normal operation, wherein by wind stream (in the figure indicated by arrows), which It passes through a space in NCC 5.1-5.N chimney 1, where a vortex is created workflow as a climbing ring with the rotation of the wind wheel 2, which rotates an electric generator. In the case of excess power generation wind power plant, while reducing energy needs for the users, this energy is supplied to the thermoelectric power heaters 17.1-17.N for sequential or simultaneous heating of water in the tanks 10, 11 for energy storage in them. Additional water is heated in the tanks through the top surface 25 of the solar radiation that is amplified concentrators on the surface 25. With increasing demands of users for energy while reducing or external wind flow input 12, output 13 and 14, holes 15 the air channels 8, 9 open and the heated water from the reservoirs 10, 11 is pumped (not shown) to dispensers 19.1-19.N and 20.1-20.N in the respective air passages 8, 9 for atomising it in the direction of the wind flow inlet 12, 13 to 14 outlet 15 openings. At the same time due to the high heat capacity and high surface tiny droplets of the spray of hot water accumulated in its energy is transferred to the wind flow through its rapid heating, increasing thus its mass due to saturation of its water droplets. The heated air in the channels 8, 9 wind flow helps improve temperature difference above and below the exhaust pipe 1, which causes an increase in its speed. This, together with the increase of its weight, increase its kinetic energy. But by narrowing the air passages 8, 9 is further enhanced, and at the entrance of the wind flow in a spiral corresponding air passage in the chimney 1 creates a vortex operating ring that goes up the chimney 1 to improve the wind wheel rotation speed 2 and accordingly an electric support its operating mode.
While there are shown and described embodiments, which are recognized as the best to implement the present invention it will be understood by those skilled in the art industry, which can be made various changes and modifications, and elements can be replaced by an equivalent, without departing from beyond the scope of the present invention.
Compliance with the proposed technical solution to the criterion of the invention "industrial applicability" is confirmed by the above examples of the method of transmission of stored thermal energy in the wind power plant and the most wind power with energy storage.
CLAIM
1. A method for transmitting heat energy accumulated in the wind power plant, consists in the fact that the heated water in the tank and performing the subsequent transfer of the thermal energy of the heated water the wind flow which wind wheel rotates further in the exhaust pipe, wherein the heat transfer wind flow atomization is carried out therein in a heated water tank.
2. A method according to claim 1, characterized in that the atomization of the heated water in the wind stream is performed in the direction of its movement.
3. The method of claim 1, wherein the water heating and atomizing it in a wind stream of the air channel is carried out, at least, with two reservoirs.
4. The method according to claim 1, characterized in that the heating of the water in the tank is performed by energy, which produces plant.
5. The method according to claim 1, characterized in that the heating water in the tank is performed by the solar radiation.
6. Wind power plant with energy accumulation, which is provided with a chimney in a top of the at least one wind wheel which is kinematically connected to a power inverter, a source of water in the heating tank in which accumulate thermal energy, characterized in that it contains at least one air channel with inlet and outlet openings of the wind flow, with the air passage is located in at least one of the hot water dispenser tank, and the outlet air passage hole is connected to the exhaust pipe.
7. The power plant according to claim 6, characterized in that each nozzle is located in the hot water for the atomization air passage in the direction of wind flow.
8. The power plant according to claim 6, characterized in that the outlet of each air passage has an outlet valve adjustable to allow the overlap of the outlet.
9. The power plant according to claim 6, characterized in that each inlet channel has an inlet air valve adjustable to allow overlap of the inlet.
10. The power plant of claim 6, wherein each air passage is tapered toward the exhaust pipe.
11. A power plant according to claim 6, characterized in that each air duct is located below the lower exhaust pipe section.
12. The power plant according to claim 6, characterized in that each air channel is angled upwardly in the direction towards the exhaust pipe.
13. The power plant according to claim 6, characterized in that each air passage near the exhaust pipe is formed by the ascending spiral.
14. The power plant according to claim 13, characterized in that each spiral-air channel located around the exhaust pipe.
15. The power plant according to claim 14, characterized in that it comprises a chimney height of at least one tier of converging guide channels which are arranged spiral-like in terms of helically around and along the exhaust pipe and formed narrowed toward the exhaust pipe to the corresponding input and outlet openings, and the inlets are located in the wide section converging guide channels, and the outputs are made in the narrow section and its exhaust pipe, wherein each guide channel confuser and each air passage has a spiral twist in one direction.
16. The power plant according to claim 15, characterized in that the twist spiral confuser each guide channel, and each air channel is directed in one direction and a twist spiral channel near each air exhaust pipe.
17. The power plant according to claim 6, characterized in that it comprises at least a second tank for heating the water therein.
18. The power plant according to claim 17, characterized in that the upper surface of each vessel is transparent to solar radiation.
19. The power plant according to claim 18, characterized in that the upper surface of each vessel is transparent as concentrators of solar radiation.
20. The power plant according to claim 17, characterized in that above the water level in each reservoir is located at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is placed in water.
21. The power plant according to claim 17, characterized in that the air channel is located above the corresponding tank.
22. The power plant according to claim 21, characterized in that the upper surface of the air channel is transparent to solar radiation.
23. The power plant according to claim 22, characterized in that the upper surface of each air passage formed in the form of transparent solar concentrators.
24. The power plant of claim 21, wherein the surface of the water in each tank a thermal barrier coating disposed.
25. The power plant according to any one pp.21-24, characterized in that above the water level in each air channel is located at least one solar receiver, which is connected to transfer heat from the respective heat sink, which is located in the corresponding water tank.
26. The power plant according to claim 25, characterized in that the solar receiver in each air passage is formed aligned with the corresponding spray of heated water.
print version
Publication date 17.01.2007gg
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