WO1997046801A1 - Wind-powered energy producing system - Google Patents

Abstract

A wind-powered energy producing system comprises wind turbines, generators and a cylindrical hollow wind tower. One or more heat jet devices arranged at intervals of one or more input openings are provided at the lower part of the wind tower. From every said input opening is outwardly extended an input tube in which the wind turbine is mounted. The heat jet devices can be replaced by heating wires provided on the bottom inside the tower. With this system higher efficiency and lower cost can be gained.

Description

 Technical Field of Wind Power Generation System

 The present invention relates to a wind power generation system, and more particularly, to a wind power generation system that utilizes a temperature difference between hot and cold air and hot air to generate wind power.

Background technique

 At present, the methods used for large-scale power generation are mainly thermal power generation, hydropower generation and nuclear power generation. The disadvantages are high cost, low efficiency, and serious environmental pollution. The methods used for small-scale power generation are mainly solar power, wind power, tidal power, and geothermal power. The problem is that their power generation is small and unstable, which cannot meet the increasing demand for power generation.

 Beijing "Solar" editorial published in the "Solar" magazine in 1983, No. 2, page 12 (Author: Wenjun Zhou) reported the solar chimney power plant tower of a design by Dr. Philip Carlson. The principle is to pump the seawater along the pipeline to the top of the tower, and spray the water in the form of a mist through a spray device. The water mist quickly evaporates in the dry hot air, so that the surrounding air is cooled and moistened, thereby increasing its density. After cooling, the air at the top of the tower sinks along the cylindrical cavity to form a continuous downward airflow. Because the tower body is tall, the cylindrical tower cavity has a guiding effect on the airflow, which speeds up the airflow. In the lower part of the tower, the tower cavity is partitioned into a ring-shaped channel by a huge airflow hood, and its cross section becomes rapidly smaller, and the speed of the airflow passing there increases further, thus generating strong winds. In the annular passage, 10 turbine generator units are evenly arranged along the surrounding direction, and they are rotated to generate electricity under the impetus of high airflow. The height of the airflow power tower is 2400 meters, the diameter of the top is 274 meters, and the maximum output is 2.5 million kilowatts. The required air flow during operation is up to 3,964,321 cubic meters per second, and the required spray water volume is 28.3 cubic meters per second.

 The shortcomings of this type of airflow power tower are that it can only be built in areas with sufficient water and sunlight, and it takes a lot of electricity to extract a large amount of water, which increases the cost of power generation. When seawater is used, the treatment of its salt content is also a big problem. problem.

Summary of the Invention

The object of the present invention is to provide a wind power generation system, which does not require a large amount of water and can efficiently use high and low temperature thermal energy to greatly reduce its power generation cost, its wind power is strong and stable, and its installed capacity can be selected according to needs. According to a first aspect of the present invention, the wind power generation system of the present invention includes:

 Wind tower, which is a hollow column, used to form a low-pressure space;

 Turbine;

 A generator located outside the wind tower and coaxially connected to the turbine;

 One or more heat spray holes are provided along the circumferential direction at the lower part of the wind tower; one or more sprayers corresponding to the heat spray holes are provided outside the wind tower, and are configured to pass the heat spray holes to the wind. Flame, hot air or hot water is sprayed inside the tower; one or more air inlets arranged apart from the heat spray holes are further provided at the lower part of the wind tower; and each of the air inlets protrudes outside the tower An intake pipe in which the turbine is placed.

 According to a second aspect of the present invention, the wind power generation system of the present invention includes:

 Wind tower, which is a hollow column, used to form a low-pressure space;

 Turbine;

 A generator located outside the wind tower and coaxially connected to the turbine;

 A resistance wire is provided at the bottom of the internal space of the wind tower, and both ends of the resistance wire are connected to the mains to use the heat released by the resistance wire to heat the air inside the wind tower, and a lower part of the wind tower is further provided with One or more air inlets; an air inlet pipe extends from each of the air inlets to the outside of the tower, and the turbine is placed in the air inlet pipe.

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Overview of the drawings

 Fig. 1 is a longitudinal sectional view of a first preferred embodiment of a wind power generation system according to the present invention. FIG. 2 is a top view of a first preferred embodiment of the wind power generation system of the present invention.

 Fig. 3 is a longitudinal sectional view of a second preferred embodiment of the wind power generation system of the present invention. FIG. 4 is a top view of a second preferred embodiment of the wind power generation system of the present invention. Best Mode of the Invention

 As we all know, gas always flows from high pressure space to low pressure space, and from low pressure space to vacuum space. When the gas flows from a high-pressure space to a low-pressure space or from a low-pressure space to a vacuum space, the larger the pressure difference is, the faster the gas flows, and the greater the power of the gas flow. In addition, when the flow rate of the gas is the same, the smaller the cross-sectional area of the airflow channel of the pipeline through which it passes, the faster the flow rate of the gas.

The current thermal power generation system uses the above principles to generate electricity. 125,000 kilowatts The work of a turbo-generator set is taken as an example: it uses fuel to turn water into high-temperature and high-pressure steam in a high-pressure boiler, and the steam is drawn out through two thick metal pipes with an inner diameter of 0.5 meters connected to the high-pressure boiler and the expansion type is used. The nozzle continuously impinges on the steam turbine with steam with a kinetic energy of 600-700 meters / second and a steam flow rate of 400 tons / hour, causing it to rotate rapidly and drive a 125,000 kilowatt generator to generate electricity continuously.

 The principle of the wind power generation system of the present invention is similar. Fig. 1 is a longitudinal sectional view of a preferred embodiment of a wind power generation system according to the present invention. Fig. 2 is a top view of the preferred embodiment of the wind power generation system of the present invention. It can be seen from the figure that the wind power generation system of the present invention includes: a wind tower 1, which is hollow and cylindrical and is used to form a low-pressure space. The diameter of the bottom of the wind tower may be greater than or equal to the diameter of the top thereof. The lower part is provided with 10 heat spray holes 12 penetrating through the wall of the wind tower, and 10 spray machines 18 corresponding to each heat spray hole are arranged outside the wind tower for spraying flames into the interior of the wind tower 1 through the heat spray holes 12 Hot air or hot water; In the lower part of the wind tower 1, there are also 10 air inlets 2 spaced apart from the heat spray holes 12, an air inlet pipe 5 is protruded from each air inlet 2 to the outside, and the turbine 4 is placed in In the intake pipe 5, each turbine is coaxially connected with a generator 15 located outside the intake pipe.

 The operating principle of the wind power generation system of the present invention is described as follows: Use of gas or liquid fuels such as hydrogen, natural gas, coal gas, liquefied gas, petroleum, and other fuels, or use of geothermal gas, Hot water, steam, waste hot water emitted by industry, waste heat (waste heat), hot air obtained by electricity or solar energy, hot water and other available high and low temperature heat energy are injected into hot gas tanks installed outside the wind tower, hot water In the tank or hot pool, the fuel, hot gas, or hot water is piped to the ejector 18 by a pump, and the flame, hot gas, or hot water is injected into the wind tower through the ejector hole 12 by the ejector 18, so that the heat released by the ejector 18 The lower air inside the wind tower 1 is heated, so that the heated air flows from the lower part to the upper part of the wind tower 1 to form hot air, and the air pressure inside the wind tower 1 is reduced to form a low-pressure space inside the wind tower. At the same time, the wind tower 1 There is a certain temperature difference and convection between the internal and external air, so that the wind tower with a higher air pressure] unheated air outside Through the interior of the intake pipe 5 to the wind tower, cold air formed in the intake pipe 5.

The hot air in the wind tower 1 is continuously discharged into the atmosphere through the hot air vent at the top of the wind tower 1, and the air outside the wind-tower 1 is continuously injected into the wind tower 1 through the intake pipe 5, so that a certain amount of air is formed in the intake pipe 5. Air velocity. When the speed of the airflow reaches a predetermined value, it can push The turbine 4 located in the intake pipe 5 rotates at a certain speed, thereby driving the generator 15 coaxially connected thereto to generate electricity.

 As long as the height and diameter of the wind tower 1 and the diameter of the intake pipe 5 are appropriately set according to the needs, and the amount of heat injected by the injector 18 is appropriately controlled, the speed of the air flow in the intake pipe 5 can be controlled, thereby controlling the turbine generator 15 Power generation.

 The wind power generation system in this embodiment of the present invention may further include: a safety pipe 3 corresponding to each of the intake pipes 5, a first end of which is connected to the intake pipe 5, a second end of which is directly above or obliquely above, and has a length And the direction is sufficient to ensure the safety of people or animals near the second end. A filter 8 is provided at a port on the second end of the safety pipe 3 for filtering foreign matters in the air to ensure the cleanness of the airflow passing through the turbine 4. An opening 9 may be provided on a side of the first end of the safety pipe 3 opposite to the air inlet pipe 5 for discharging water injected into the safety pipe 3 due to rain.

 As shown in FIG. 2, each intake pipe 5 of the wind power generation system of this embodiment is divided into a first branch pipe 51 and a second branch pipe 52 at a certain distance outside the wind tower. In the first branch pipe 51 and the second branch pipe 52, A turbine 4 is respectively placed, and the first branch pipe 51 and the second branch pipe 52 of the adjacent intake pipe 5 on one side are merged together and connected to the safety pipe 3. The second branch pipe 52 merges with the first branch pipe 51 "of the intake pipe 5" on the other side, and is connected to the safety pipe 3, and each of the safety pipes 3, 3 is far from the second pipe of the intake pipe 5, 5 ', 5 ". A filter 8 is provided at each end port. The remaining air intake pipes are also arranged in this way. The advantage of this arrangement is that under a certain number of generators, the number of air intake pipes can be reduced, and at the same time, If one or more turbines or generators need to be repaired or overhauled, it will not affect the operation of the remaining units.

As shown in FIG. 2, the intake pipes 5, 5, 5 "of the wind power generation system of this embodiment can be divided into an expanded nozzle 6 a and a straight pipe 6 b, and the expanded nozzle 6 a is separated from the intake pipe 5 The end connected to the safety pipe 3 to the intake pipe 5 near the turbine 4 is an expanded nozzle structure, that is, the cross-sectional area of the airflow channel gradually decreases as it moves away from the safety pipe 3, and the straight pipe 6b passes from the turbine 4 in the intake pipe 5. It is close to the safety pipe 3—side to the wind tower air inlet 2. It is a straight pipe structure along its entire length, and the cross-sectional area of the air flow passage is larger than the cross-sectional area of the air flow passage at the junction of the expansion nozzle 6a and the straight pipe 6b. Area. The turbine 4 is placed in a straight pipe 6b and is close to the connection with the expansion nozzle 6a. The air intake pipe 5 of the wind power generation system of the present invention can be installed on the ground plane according to actual needs, or it can be installed below or part of the ground plane. Set below the ground plane. The wind power generation system of the present invention further includes a movable gate 10 provided in the intake pipe 5 and located on the side of the turbine 4 near the air inlet 2. In the first embodiment of the present invention, as shown in FIGS. 1 and 2, The gate 10 is arranged in the straight pipe 6b and is located on the side of the turbine 4 away from the expansion nozzle 6a. When the turbine 4 or the generator 15 needs to be repaired or repaired, the movable door 10 can be closed to ensure work Personnel safety without affecting the normal operation of other turbines and generators

 The wind power generation system of the present invention provided with such a structure can be constructed on different scales according to the required power generation capacity and the amount of invested capital. The following is a specific example of the practice of the present invention.

 Wind tower 1 is a hollow conical cylindrical structure with a height of 600 meters, a diameter of 60 meters at the bottom, and a diameter of 40 meters at the top. The wall thickness of the bottom of the wind tower 1 may be 1 to 2 meters, preferably 1.5 meters. The top wall thickness can be 0.3-0.4 m, and preferably 0.35 m. Ten gate-like air inlets 2 are equidistantly arranged below the ground plane at the bottom of the wind tower in the circumferential direction, each of which is 8 meters high and 5 meters wide. The top of the air inlet 2 is 2 meters below the ground plane. The inlet 2 is designed as a door to ensure the solidity of the bottom of the wind tower. An intake pipe 5 is provided corresponding to each of the air inlets 2, and a turbine 4 is provided in each of the first branch pipe 51 and the second branch pipe 52 of the intake pipe 5. The outer diameter of the safety pipe 3 is 26 meters, and the depth below the ground plane is 10 meters.

When the flame, hot air or hot water injected into the lower part of the internal space of the wind tower reaches 61.388 kcal / sec, the air in the wind tower can be continuously heated to make the temperature difference between the inside and outside of the wind tower reach 7'C, high The hot air 7'C outside the air tower rises at a speed of 10 meters / second in a 600-meter-high wind tower at a speed of 36 kilometers per hour, which is equivalent to a class 5 strong wind. The rising flow of hot air in the tower is 28260 m3 / s (excluding thermal expansion of air). At the same time, the air flow rate from the outside of the wind tower through the intake pipe 5 into the wind tower is 28260 m3 / s, and the air velocity at the first port of the intake pipe is 20.16 km. / Hour, equivalent to level 4 wind, when such air velocity flows through the expanded nozzle structure of the intake pipe 5 (the cross-sectional area of the airflow channel at the entrance of each expanded nozzle 6a is 20 square meters, a total of 20 expanded types Nozzle), which produces a "narrow tube" effect, so that the flow velocity at the entrance of the expanded nozzle 6a is 7 times the rising speed of the hot air in the wind tower, which can reach 70 m / s. And because the inner diameter of the expanded nozzle 6a gradually decreases, Therefore, the air velocity in the narrower and narrower channels is increasing. Fast, while passing through the expansion of small diameter nozzles 6a and 6b of the straight pipe connection (cross-sectional area of the small-diameter gas flow passage at a drug is 2 meters, a total of 20), the flow The speed is 70.65 times the rising speed of the hot air flow inside the wind tower, which is 706.5 meters per second, so that the cold air flow with a weight of 1827 kg and a flow rate of 1413 meters per second can pass through the small-diameter end at a high speed Straight pipe 6b is sprayed in at the same place, and the turbine 4 located in the straight pipe 6b is rotated at high speed, which can drive 20 600,000 kilowatts turbine generator sets.

 The wind power generation system of the present invention may further include a water spray hole 1 1 provided on one or more intake pipes near the wind tower side, and a high-pressure water spray gun (not shown) located outside the wind tower. When a large amount of flame, hot water or hot gas is sprayed to the lower part of the space inside the wind tower by the ejector 18, the air in the wind tower is heated and rises, causing the cold air outside the wind tower to enter the inside of the wind tower through the intake pipe 5 at high speed. Using a high-pressure water spray gun, water is sprayed into the air intake pipe 5 through the water jet holes 11 in a high-speed bundle, and the high-pressure water column injected into the air intake pipe 5 and the air flow passing through the air intake pipe 5 undergo extremely strong friction. This releases powerful energy, which separates the hydrogen and oxygen atoms in the water molecule to produce oxygen and hydrogen, and generates a large amount of charge. Under the action of the electric charge, the mixed gas of hydrogen and oxygen is rapidly burned, and a large amount of heat generated by the combustion is sent to the inside of the wind tower along with the high-speed air flow, thereby increasing the heat sent into the inside of the wind tower. When the temperature difference between the inside and outside of the wind tower reaches Ί 'C and it runs stably for a period of time, it may partially or completely stop spraying flames, hot air or hot water into the inside of the wind tower. When the water spray speed and water volume of the high-pressure water spray gun are appropriate, even if all the flame, hot air or hot water is stopped being sprayed into the wind tower, the heat required to heat the air inside the wind tower can be maintained, thereby maintaining the intake air. The velocity of the air flow in the tube is at a certain level. By adjusting the water spray volume and water spray speed of the high-pressure water spray gun, the air velocity in the intake pipe can be adjusted to achieve the purpose of adjusting the power generation amount.

 Next, a second embodiment of the present invention will be described. For the sake of simplicity, only the parts of the second embodiment that are different from the first embodiment are described, and the same parts as the first embodiment are not described again.

Fig. 3 shows a longitudinal sectional view of a second preferred embodiment of the wind power generation system of the present invention. Fig. 4 shows a top view of a second preferred embodiment of the wind power generation system of the present invention. As can be seen from FIG. 3 and FIG. 4, the wind power generation system according to the second embodiment of the present invention is different from the first embodiment only in that a resistance wire 7 is provided at the bottom of the internal space of the wind tower, and two of the resistance wire 7 The terminal can be connected to the city electricity through Tongguan, and is used to heat the air inside the wind tower by using the heat released by the resistance wire after being energized. Therefore, the heat spray holes, sprayers, water spray holes, and high-pressure water spray guns used in the first embodiment are no longer needed. The resistance wire 7 may be arranged in a spiral coil spring shape or a mesh shape, as long as the heat released by the resistance wire 7 is sufficient to heat the air inside the wind tower to a desired temperature.

 The wind power generation system of the present invention has been described above by way of embodiments. However, the present invention is not limited to the methods described in the embodiments. For example, the height and diameter of the wind tower of the wind power generation system of the present invention are not limited to the above data. The height of the wind tower can be designed to be 800 meters or 1000 meters according to actual needs. 1200 meters or more, or 500 meters, 300 meters, 100 meters or less, etc., as long as the diameter and thickness and the design of the intake pipe are changed accordingly.

 The temperature difference between the air flow inside and outside the wind tower is not limited to 7. This value can be set according to the required power generation amount and the condition of the heat source. However, the larger the temperature difference value, the faster the airflow speed in the intake pipe, the more The more electricity there is, the less electricity the turbine generator produces.

 The airflow channel in the intake pipe can also adopt other shapes, as long as the solutions whose function is to control the speed of the airflow passing through them fall within the protection scope of the present invention.

 The number of ejectors used in the thermal power generation system according to the present invention may also be one or more than the number of ejection holes. In this case, the heat emitted by the ejector can be passed from the ejector to each The spray pipe of the spray hole is sprayed into the wind tower.

 The air intake pipe can also be installed with a filter directly at its inlet instead of being divided into the first branch pipe and the second branch pipe, or when the air intake pipe is divided into two or more branch pipes, a safety pipe can be directly installed at the entrance of each branch pipe. Or filter.

Industrial applicability

 Because the wind power generation system of the present invention makes full use of the air pressure difference between the air flow inside and outside the wind tower, and uses an expanded nozzle type and a straight tube in the design of the air intake pipe, it can efficiently use high and low temperature thermal energy, thereby greatly generating power. Reduced, and its wind power is strong and stable, suitable for power generation systems of various capacities. In addition, the heat source used by the wind power generation system of the present invention is basically not limited, so that industrial waste heat and other high and low temperature heat energy can be fully used to generate electricity,

 Compared with the prior art, the wind power generation system of the present invention can save a large amount of water and the electricity used to extract water, and save the trouble of processing sea salt, and more importantly, it can be greatly reduced under the same installed capacity. The scale of the small wind tower is more extensive.

Claims

 Rights request 1. A wind power generation system includes:  A wind tower (1), which is a hollow column shape for forming a low-pressure space;  Turbines (4);  A generator (15) located outside the wind tower (1) and coaxially connected with the turbine (4);  It is characterized in that one or more heat spray holes (12) are provided along the circumferential direction in the lower part of the wind tower (1); one or more corresponding to the heat spray holes (12) are provided outside the wind tower (1) An injection machine (18) for injecting flame, hot air or hot water into the inside of the wind tower (1) through the spraying holes (12); one or more is further provided at the lower part of the wind tower (1) An air inlet (2) arranged spaced apart from the heat injection hole (12); an air inlet pipe (5, 5 ', 5 ") is protruded from each of the air inlets (1) to the outside of the tower, The turbine (4) is placed in the intake pipe (5, 5, 5, 5 ").  2. The wind power generation system according to claim 1, characterized in that the air inlet pipe (5, 5 ', 5 ") is divided into a first branch pipe (51, 51) at a certain distance from the air inlet (2). ") And the second branch pipe (52, 52 '), said turbine (4) is placed in the first branch pipe (51, 51") and the second branch pipe (52, 52,), respectively,  3. The wind power generation system according to claim 2, characterized in that said first branch pipe (51, 51 ") and second branch pipe (52, 52 ') of each of said intake pipes (5, 5, 5, 5") Converge with the second branch pipe (52, 52,) and the first branch pipe (51, 51 ") of two adjacent intake pipes (5, 5, 5, 5") respectively.  4. The wind power generation system according to claim 1, wherein a safety pipe (3, 3,) is connected to an end of the air inlet pipe (5, 5 5 ") far from the air inlet (2), wherein The end far from the air inlet pipe (5, 5, 5, 5 ") is directed upward or diagonally upward, and its length and direction are sufficient to ensure the safety of people or animals near the entrance of the safety tube (3, 3,). 5. The wind power generation system according to claim 2, wherein an end of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,) far from the air inlet (2) A safety pipe (3, 3 ') is connected, and an end thereof far from the first branch pipe (51, 51 ") or the second branch pipe (52, 52') faces directly upward or diagonally upward, and its length and direction are sufficient to ensure" oE safety of people or animals near the entrance of the safety tube (3, 3,). 6. The wind power generation system according to claim 3, characterized in that a safety pipe (3,) is connected at a confluence port of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,). 3,), the end away from the confluence port is directed upward or obliquely upward, and its length and direction are sufficient to ensure the safety of people or animals near the entrance of the safety pipe (3, 3,). 7. The wind power generation system according to claim 1, wherein the intake pipe (5) It includes an expanded nozzle (6a) and a straight pipe (6b). The expanded nozzle (6a) runs from the inlet of the intake pipe (5) to the vicinity of the turbine (4), and the cross-sectional area of the airflow channel varies with It is gradually reduced adjacent to the turbine (4), and the straight pipe (6b) extends from the side of the turbine (4) near the safety pipe (3, 3 ') to the air inlet (2), along the The entire length is a straight tube structure, and the cross-sectional area of the air flow channel is larger than the cross-sectional area of the air flow channel at the connection between the expansion nozzle (6a) and the straight tube (6b), and the turbine (4) is placed in the In the straight pipe (6b) and close to the connection with the expansion nozzle (6a).  8. The wind power generation system according to claim 2 or 3, characterized in that the first branch pipe (51, 51 ") and the second branch pipe (52, 52 ') respectively include an expansion nozzle (6a) and a straight Tube (6b), the expansion nozzle (6a) are respectively from the first branch tube (51, 51 ") and the entrance of the second branch pipe (52, 52 ') to the vicinity of the turbine (4), the cross-sectional area of the airflow channel gradually decreases with the vicinity of the turbine (4), and the straight pipe (6b ) Extends from the side of the turbine (4) near the safety pipe (3, 3,) to the first branch pipe (51, 51 ") and the second branch pipe (52, 52,) have a straight pipe structure along the entire length, and the cross-sectional area of the air flow channel is larger than that of the expansion nozzle (6a). The cross-sectional area of the air flow channel at the junction of the tube (6b), and the turbine (4) is placed in the straight tube (6b), and close to the connection with the expansion nozzle (6a).  9. The wind power generation system according to claim 1, wherein a filter (8) is installed at an inlet of the air inlet pipe (5, 5 ', 5 ").  10. The wind power generation system according to claim 2, characterized in that a filter (8) is installed at the entrance of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,), respectively.  1 1. The wind power generation system according to claim 3, characterized in that a filter (8) is installed at a confluence of the first branch pipe (5.1, 51 ") and the second branch pipe (52, 52,). 12. The wind power generation system according to claim 4, 5 or 6, characterized in that A filter (8) is installed at the entrance of the safety pipe (3).  13. The wind power generation system according to any one of claims 1 to 11, characterized in that a water spray hole (11) is provided in the air inlet pipe (5, 5, 5, 5 ") adjacent to the wind tower, and A high-pressure water spray gun corresponding to the water spray hole (11) outside the air inlet pipe (5, 5, 5, 5 ").  14. The wind power generation system according to any one of claims-11, characterized in that a movable gate (10) is provided in the intake pipe (5, 5 ', 5 "), which is located in the turbine (4) ) Near the air inlet (2).  15. The wind power generation system according to claim 12, characterized in that a water spray hole (11) is provided near the air intake pipe (5, 5, 5, 5 ") near the wind tower, and the air intake pipe (5) , 5, 5 ") The external squeezing water spray gun corresponding to the water spray hole (11). 16. The wind power generation system according to claim 12, characterized in that a movable gate (10) is provided in the intake pipe (5, 5 ', 5 "), which is located near the inlet of the turbine (4). Port (2) side.  17. The wind power generation system according to claim 13, characterized in that a movable gate (10) is provided in the intake pipe (5, 5, 5, 5 "), which is located near the inlet of the turbine (4). Port (（) side.  18. A wind power generation system includes:  A wind tower (1), which is a hollow column shape for forming a low-pressure space,  Turbine (4);  A generator (15) located outside the wind tower (1) and coaxially connected with the turbine (4);  It is characterized in that a resistance wire (7) is provided at the bottom of the internal space of the wind tower, and both ends of the resistance wire (Ί) are connected to the mains to use the heat released by the resistance wire (7) to heat The air inside the wind tower; one or more air inlets (2) are also provided at the lower part of the wind tower (1); an air inlet pipe (5) is protruded from each of the air inlets (2) to the outside of the tower 5, 5, 5 "), the turbine (4) is placed in the intake pipe (5, 5 ', 5"). 19. The wind power generation system according to claim 18, characterized in that the air inlet pipe (5, 5 ', 5 ") is divided into a first branch pipe (51, 51) at a certain distance from the air inlet (2). ") And the second branch pipe (52, 52,), and the turbine (4) is respectively placed in the first branch pipe (51, 51 ") and the second branch (52, 52,).  0. The wind power generation system according to claim 19, characterized in that the first branch pipe (51, 51 ") and the second branch pipe (52, 51) of each of the intake pipes (5, 5, 5, 5") 52,) respectively merge with the second branch pipe (52, 52 ') and the first branch pipe (51, 51 ") of the two adjacent intake pipes (5, 5', 5").  twenty one. The wind power generation system according to claim 18, characterized in that a safety pipe (3, 3,) is connected to an end of the air inlet pipe (5, 5 ', 5 ") far from the air inlet (2). Its end far from the air inlet pipe (5, 5, 5, 5 ") faces directly upward or obliquely upward, and its length and direction are sufficient to ensure the safety of people or animals near the entrance of the safety pipe (3, 3,).  twenty two. The wind power generation system according to claim 19, wherein an end of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,) far from the air inlet (2) A safety pipe (3, 3,) is connected, and an end thereof far from the first branch pipe (51, 51 ") or the second branch pipe (52, 52,) faces directly upward or diagonally upward, and its length and direction are sufficient to ensure that Safety of people or animals near the entrance of the safety tube (3, 3,).  twenty three. The wind power generation system according to claim 20, characterized in that a safety pipe (3, 2) is connected to a confluence port of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,). 3,), the end away from the confluence port is directed directly above or obliquely upward, and its length and direction are sufficient to ensure the safety of people or animals near the entrance of the safety tube (3, 3,).  twenty four. The wind power generation system according to claim 18, characterized in that the intake pipe (5) comprises an expanded nozzle (6a) and a straight pipe (6b), and the expanded nozzle (6a) extends from the intake pipe (5) To the vicinity of the turbine (4), the cross-sectional area of the airflow channel gradually decreases as it is adjacent to the turbine (4), and the straight pipe (6b) approaches the safety pipe from the turbine (4) ( 3, 3,) One side extends to the air inlet (2), is a straight tube structure along its entire length, and the cross-sectional area of the air flow channel is larger than that of the expansion nozzle (6a) and the straight tube (6b) The cross-sectional area of the airflow channel at the connection is that the turbine (4) is placed in the straight pipe (6b) and is close to the connection with the expansion nozzle (6a). 25. ¾1 The wind power generation system according to claim 19 or 20, wherein the first branch pipe (51, 51 ") and the second branch pipe (52, 52,) each include an expansion type Nozzle (6a) and straight pipe (6b), the expanded nozzle (6a) from the entrance of the first branch pipe (51, 51 ") and the second branch pipe (52, 52 ') to the adjacent turbine ( 4), the cross-sectional area of the airflow channel gradually decreases as it is adjacent to the turbine (4), and the straight pipe (6b) extends from the side of the turbine (4) near the safety pipe (3, 3,) The junction of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,) is a straight pipe structure along its entire length, and the cross-sectional area of the air flow channel is larger than the expanded nozzle (6a) The cross-sectional area of the airflow channel at the connection with the straight pipe (6b), the turbine (4) is placed in the straight pipe (6b) and is close to the connection with the expansion nozzle (6a).  26. The wind power generation system according to claim 18, characterized in that a filter (8) is installed at an inlet of the air inlet pipe (5, 5, 5, 5 "),  27. The wind power generation system according to claim 19, characterized in that a filter (8) is installed at the entrance of the first branch pipe (51, 51 ") and the second branch pipe (52, 52 '), respectively.  28. The wind power generation system according to claim 20, wherein a filter is installed at a confluence of the first branch pipe (51, 51 ") and the second branch pipe (52, 52,). ( 8 ) .  29. The wind power generation system according to claim 21, 22 or 23, characterized in that a filter (8) is installed at the entrance of the safety pipe (3).  30. The wind power generation system according to any one of claims 18 to 28, characterized in that a water spray hole (11) is provided near the wind tower at the air inlet pipe (5, 5, 5, 5 "), and A high-pressure water spray gun outside the air inlet pipe (5, 5 ', 5 ") corresponding to the water spray hole (11).  31. The wind power generation system according to any one of claims 18 to 28, characterized in that a movable gate (10) is provided in the intake pipe (5, 5 ', 5 ") and is located in the turbine (4) ) Near the air inlet (2).  32. The wind power generation system according to claim 29, characterized in that a water spray hole (11) is provided near the air intake pipe (5, 5, 5, 5 ") near the wind tower, and the air intake pipe (5) 5, 5, 5 ") outside the high-pressure water spray gun corresponding to the water spray hole (11). 33. The wind power generation system according to claim 29, characterized in that a movable gate (10) is provided in the intake pipe (5, 5, 5, 5 "), which is located in the turbine (4) Near the air inlet (2).  4. The wind power generation system according to claim 30, wherein a movable gate (10) is provided in the intake pipe (5, 5, 5, 5 "), which is located near the inlet of the turbine (4). Port (2) side.