Exhaust chimney wind power recycling hybrid power generation equipment
By installing a wind-catching centrifugal wind wheel and a transmission system on the exhaust chimney, the exhaust gas that meets the standards is converted into electrical energy, solving the high cost and installation restrictions of wind power generation equipment and achieving low-pollution, low-cost wind power generation.
Patent Information
- Application Number
- CN202511074852.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-01
- Publication Date
- 2025-09-16
AI Technical Summary
Existing wind power generation equipment has high initial investment costs, limited installation conditions, unstable wind speeds leading to large fluctuations in power generation, noise pollution and land occupation problems, and there is no power generation equipment that uses qualified exhaust gas as a wind power source.
A hybrid power generation device for wind power recycling in exhaust chimneys is designed. The exhaust gas that meets the standards is converted into mechanical energy by using a centrifugal wind wheel, and then transmitted to a permanent magnet generator system through a transmission system to realize electrical energy conversion.
It realizes a low-cost, low-pollution, and small-footprint power generation method, which can be quickly installed on the basis of existing atmospheric pollutant treatment equipment, reducing energy dependence.
Smart Images

Figure CN120650125A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of energy recycling, and in particular relates to an exhaust chimney wind recycling hybrid power generation device. Background Art
[0002] Existing wind turbines almost all use natural wind to rotate fan blades, converting wind energy into mechanical energy, and then converting mechanical energy into electrical energy. Existing wind turbines have the following problems: high initial investment costs: mainly due to extremely high transportation and installation costs; limited installation conditions: existing wind turbines have requirements for terrain and climate conditions and are mostly installed in mountainous and coastal areas; unstable wind speed: the power generation of wind turbines is affected by wind speed, and unstable wind speed may cause large fluctuations in power generation; noise issues: some wind turbines may generate noise during operation, affecting the surrounding environment. Land occupation: large-scale wind power stations require a large area of land, which may have an impact on the surrounding ecological environment.
[0003] With increasing environmental protection requirements, all manufacturing companies have installed air pollutant treatment equipment based on their specific requirements and environmental emission standards. Exhaust gas is treated by air pollutant treatment equipment (dust removal equipment, exhaust gas treatment equipment, desulfurization and denitrification equipment, and steam ventilation equipment) to meet standards. This standard-compliant exhaust gas is then discharged into the air at high speed via centrifugal fans. Currently, there are no power generation equipment that uses this standard-compliant exhaust gas as a wind power source. Summary of the Invention
[0004] The present invention provides an exhaust chimney wind power recycling hybrid power generation device to at least solve some of the above technical problems.
[0005] To achieve the above object, the technical solution adopted by the present invention is as follows: A hybrid power generation device for recycling wind power from an exhaust chimney comprises a wind-catching centrifugal wind wheel box fixedly mounted on the upper portion of an air inlet duct or an air outlet duct of a centrifugal fan, a wind-catching centrifugal wind wheel mounted in the wind-catching centrifugal wind wheel box, a fixed platform frame provided at the bottom of the wind-catching centrifugal wind wheel box, a nacelle cover provided on the fixed platform frame on the same horizontal plane as the wind-catching centrifugal wind wheel box, a transmission system connected to the wind-catching centrifugal wind wheel and a permanent magnet generator system connected to the transmission system mounted in the nacelle cover.
[0006] Furthermore, the wind-catching centrifugal wind wheel box is provided with an air guide groove, the air inlet of the air guide groove is located at the air inlet position of the wind-catching centrifugal wind wheel box, and the air outlet of the air guide groove is located at the air outlet position of the wind-catching centrifugal wind wheel box; the wind-catching centrifugal wind wheel includes a wind wheel conduction shaft and wind guide blades installed on the wind wheel conduction shaft, and a speed sensor is installed on the wind-catching centrifugal wind wheel, and the speed sensor is connected to an external speed controller.
[0007] Furthermore, the number of blades is 3-5.
[0008] Furthermore, the design rotation speed of the centrifugal wind wheel is 150~2500 revolutions per minute.
[0009] Furthermore, the transmission system includes a transmission shaft core connected to the wind wheel conduction shaft, a first cross coupling installed on the transmission shaft core from left to right, a bearing box, a second cross coupling, a slip asynchronous transmission system, a third cross coupling, an electronic clutch system, a fourth cross coupling, a stepless speed increaser system, and a deceleration brake system.
[0010] Furthermore, the slip-type synchronous transmission system includes a slave transmission wheel mounted on a transmission shaft core, a master transmission wheel connected to the slave transmission wheel via a conduction belt, a slip-type synchronous motor connected to the master transmission wheel, and the slip-type synchronous motor is connected to an external speed controller and an external power supply.
[0011] Furthermore, the electronic clutch system is a diaphragm electronic clutch, and the diaphragm electronic clutch is connected to an external speed controller and an external power supply.
[0012] Furthermore, the continuously variable speed increasing gearbox system is a continuously variable speed increasing gearbox, which is connected to an external speed controller and an external power supply.
[0013] Furthermore, the deceleration brake system is an electromagnetic disc brake, which is connected to an external speed controller, an external power supply and a permanent magnet generator system.
[0014] Furthermore, the permanent magnet generator system includes a permanent magnet synchronous generator connected to an electromagnetic disc brake, a centrifugal switch is installed on the rotor of the permanent magnet synchronous generator, and the centrifugal switch is connected to an external speed controller.
[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention has a simple structure, a scientific and reasonable design, and is easy to use. The present invention uses qualified exhaust gas as a wind source, and the wind-catching centrifugal wind wheel converts the captured wind source into mechanical energy and transmits the mechanical energy to the permanent magnet generator system through a transmission system. The permanent magnet generator system converts the mechanical energy into electrical energy, thereby achieving the purpose of converting qualified exhaust gas into electrical energy, saving resources, causing no pollution to the environment, and not generating garbage or waste, solving the technical problem that there is currently no power generation equipment that uses qualified exhaust gas as a wind source; the cost of power generation is low, which can reduce energy dependence and reduce the import of external energy; the construction of the power plant is relatively simple, and the equipment of the present invention can be installed as long as the smoke exhaust chimney of the atmospheric pollutant control equipment is installed, and the installation can be completed in a short time and the floor space occupied is relatively small, the installed scale is flexible, and the operation and maintenance costs are relatively low. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the present invention installed on the upper part of the air outlet duct of a centrifugal fan.
[0017] Figure 2 This is a schematic diagram of the structure of the present invention installed on the upper part of the air inlet duct of a centrifugal fan.
[0018] The names corresponding to the reference numerals are: 1. Centrifugal fan; 2. Air inlet duct; 3. Air outlet duct; 4. Wind-catching centrifugal impeller box; 5. Wind-catching centrifugal impeller; 6. Fixed platform frame; 7. Nacelle cover; 8. Transmission shaft core; 9. First cross coupling; 10. Bearing box; 11. Second cross coupling; 12. Third cross coupling; 13. Fourth cross coupling; 14. Slip differential synchronous motor; 15. Diaphragm electronic clutch; 16. Stepless speed increaser; 17. Electromagnetic disc brake; 18. Permanent magnet synchronous generator; 19. Centrifugal switch. DETAILED DESCRIPTION
[0019] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; of course, they may also refer to mechanical connections or electrical connections; in addition, they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances. Example
[0022] like Figure 1 As shown, an exhaust chimney wind power recycling hybrid power generation device includes a wind-catching centrifugal wind wheel box 4 fixedly mounted on the upper portion of an outlet wind duct 3 of a centrifugal fan 1. A wind-catching centrifugal wind wheel 5 is mounted in the wind-catching centrifugal wind wheel box 4. A fixed platform frame 6 is provided at the bottom of the wind-catching centrifugal wind wheel box 4. A nacelle cover 7 is provided on the fixed platform frame 6 at the same horizontal plane as the wind-catching centrifugal wind wheel box 4. A transmission system connected to the wind-catching centrifugal wind wheel 5 and a permanent magnet generator system connected to the transmission system are mounted in the nacelle cover 7.
[0023] The wind-catching centrifugal wind wheel box 4 is provided with an air guide groove, the air inlet of the air guide groove is located at the air inlet position of the wind-catching centrifugal wind wheel box 4, and the air outlet of the air guide groove is located at the air outlet position of the wind-catching centrifugal wind wheel box 4; the wind-catching centrifugal wind wheel 5 includes a wind wheel conduction shaft and wind guide blades installed on the wind wheel conduction shaft, and a speed sensor is installed on the wind-catching centrifugal wind wheel 5, and the speed sensor is connected to an external speed controller.
[0024] The number of leaves is 3-5.
[0025] The design speed of the centrifugal wind wheel is 150~2500 / min.
[0026] The transmission system includes a transmission shaft core 8 connected to the wind wheel conduction shaft, a first cross coupling 9 installed on the transmission shaft core 8 from left to right, a bearing box 10, a second cross coupling 11, a slip asynchronous transmission system, a third cross coupling 12, an electronic clutch system, a fourth cross coupling 13, a stepless speed increaser system, and a deceleration brake system.
[0027] The slip-type synchronous transmission system includes a slave transmission wheel mounted on the transmission shaft core 8, a master transmission wheel connected to the slave transmission wheel via a transmission belt, a slip-type synchronous motor 14 connected to the master transmission wheel, and the slip-type synchronous motor 14 is connected to an external speed controller and an external power supply.
[0028] The electronic clutch system is a diaphragm electronic clutch 15 , which is connected to an external speed controller and an external power supply.
[0029] The stepless speed increasing box system is a stepless speed increasing box 16 , which is connected to an external speed controller and an external power supply.
[0030] The deceleration brake system is an electromagnetic disc brake 17 , which is connected to an external speed controller, an external power supply, and a permanent magnet generator system.
[0031] The permanent magnet generator system includes a permanent magnet synchronous generator 18 connected to an electromagnetic disc brake. A centrifugal switch 19 is installed on the rotor of the permanent magnet synchronous generator, and the centrifugal switch 19 is connected to an external speed controller.
[0032] In this embodiment, when the slip-difference synchronous transmission system is started, the centrifugal wind wheel begins to rotate. When the speed of the centrifugal wind wheel reaches the set value, the centrifugal fan starts to run and discharges the exhaust gas that meets the standards to the wind-catching centrifugal wind wheel on the upper part of the outlet duct. The wind-catching centrifugal wind wheel captures the wind force and converts the wind force into mechanical energy. The mechanical energy is transmitted to the permanent magnet generator system through the transmission system, and the permanent magnet generator system converts the mechanical energy into electrical energy. Example
[0033] like Figure 2 As shown, an exhaust chimney wind power recycling hybrid power generation device includes a wind-catching centrifugal wind wheel box 4 fixedly mounted on the upper portion of an air intake duct 2 of a centrifugal fan 1. A wind-catching centrifugal wind wheel 5 is mounted in the wind-catching centrifugal wind wheel box 4. A fixed platform frame 6 is provided at the bottom of the wind-catching centrifugal wind wheel box 4. A nacelle cover 7 is provided on the fixed platform frame 6 at the same horizontal plane as the wind-catching centrifugal wind wheel box 4. A transmission system connected to the wind-catching centrifugal wind wheel 5 and a permanent magnet generator system connected to the transmission system are mounted in the nacelle cover 7.
[0034] The wind-catching centrifugal wind wheel box 4 is provided with an air guide groove, the air inlet of the air guide groove is located at the air inlet position of the wind-catching centrifugal wind wheel box 4, and the air outlet of the air guide groove is located at the air outlet position of the wind-catching centrifugal wind wheel box 4; the wind-catching centrifugal wind wheel 5 includes a wind wheel conduction shaft and wind guide blades installed on the wind wheel conduction shaft, and a speed sensor is installed on the wind-catching centrifugal wind wheel 5, and the speed sensor is connected to an external speed controller.
[0035] The number of leaves is 3-5.
[0036] The design speed of the centrifugal wind wheel is 150~2500 / min.
[0037] The transmission system includes a transmission shaft core 8 connected to the wind wheel conduction shaft, a first cross coupling 9 installed on the transmission shaft core 8 from left to right, a bearing box 10, a second cross coupling 11, a slip asynchronous transmission system, a third cross coupling 12, an electronic clutch system, a fourth cross coupling 13, a stepless speed increaser system, and a deceleration brake system.
[0038] The slip-type synchronous transmission system includes a slave transmission wheel mounted on the transmission shaft core 8, a master transmission wheel connected to the slave transmission wheel via a transmission belt, a slip-type synchronous motor 14 connected to the master transmission wheel, and the slip-type synchronous motor 14 is connected to an external speed controller and an external power supply.
[0039] The electronic clutch system is a diaphragm electronic clutch 15 , which is connected to an external speed controller and an external power supply.
[0040] The stepless speed increasing box system is a stepless speed increasing box 16 , which is connected to an external speed controller and an external power supply.
[0041] The deceleration brake system is an electromagnetic disc brake 17 , which is connected to an external speed controller, an external power supply, and a permanent magnet generator system.
[0042] The permanent magnet generator system includes a permanent magnet synchronous generator 18 connected to an electromagnetic disc brake. A centrifugal switch 19 is installed on the rotor of the permanent magnet synchronous generator, and the centrifugal switch 19 is connected to an external speed controller.
[0043] In this embodiment, when the slip-difference synchronous transmission system is started, the centrifugal wind wheel begins to rotate. When the speed of the centrifugal wind wheel reaches the set value, the centrifugal fan starts to operate and sucks in the qualified exhaust gas from the air intake duct. The wind-catching centrifugal wind wheel captures the wind force and converts the wind force into mechanical energy. The mechanical energy is transmitted to the permanent magnet generator system through the transmission system, and the permanent magnet generator system converts the mechanical energy into electrical energy.
[0044] Finally, it should be noted that the above embodiments are merely preferred embodiments of the present invention and are intended to illustrate the technical solutions of the present invention, rather than limiting them, and certainly not limiting the patent scope of the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features therein may be replaced by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention. In other words, any changes or refinements made to the main design concept and spirit of the present invention that have no substantive significance, provided that the technical problems they solve are still consistent with those of the present invention, should be included in the protection scope of the present invention. In addition, the direct or indirect application of the technical solutions of the present invention to other related technical fields should also be included in the patent protection scope of the present invention.
Claims
1. An exhaust chimney wind power recycling hybrid power generation device, characterized in that: The invention comprises a centrifugal wind wheel box (4) fixedly mounted on the upper part of an air inlet duct (2) or an air outlet duct (3) of a centrifugal fan (1), a centrifugal wind wheel (5) being mounted in the centrifugal wind wheel box (4), a fixed platform frame (6) being provided at the bottom of the centrifugal wind wheel box (4), a cabin cover (7) being provided on the fixed platform frame (6) on the same horizontal plane as the centrifugal wind wheel box (4), and a transmission system connected to the centrifugal wind wheel (5) and a permanent magnet generator system connected to the transmission system being mounted in the cabin cover (7).
2. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 1, characterized in that: The wind-catching centrifugal wind wheel box (4) is provided with an air guide groove, the air inlet of the air guide groove is located at the air inlet position of the wind-catching centrifugal wind wheel box (4), and the air outlet of the air guide groove is located at the air outlet position of the wind-catching centrifugal wind wheel box (4); the wind-catching centrifugal wind wheel (5) includes a wind wheel conduction shaft and an air guide blade (6) installed on the wind wheel conduction shaft, and a speed sensor is installed on the wind-catching centrifugal wind wheel (5), and the speed sensor is connected to an external speed controller.
3. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 2, characterized in that: The number of leaves is 3-5.
4. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 2, characterized in that: The design speed of the centrifugal wind wheel is 150~2500 / min.
5. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 2, characterized in that: The transmission system includes a transmission shaft core (8) connected to the wind wheel transmission shaft, a first cross coupling (9) installed on the transmission shaft core (8) from left to right, a bearing box (10), a second cross coupling (11), a slip differential transmission system, a third cross coupling (12), an electronic clutch system, a fourth cross coupling (13), a stepless speed increaser system, and a deceleration brake system.
6. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 5, characterized in that: The slip-type synchronous transmission system comprises a slave transmission wheel mounted on a transmission shaft core (8), a master transmission wheel connected to the slave transmission wheel via a transmission belt, a slip-type synchronous motor (14) connected to the master transmission wheel, and the slip-type synchronous motor (14) is connected to an external speed controller and an external power supply.
7. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 6, characterized in that: The electronic clutch system is a diaphragm electronic clutch (15), and the diaphragm electronic clutch (15) is connected to an external speed controller and an external power supply.
8. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 7, characterized in that: The stepless speed increasing box system is a stepless speed increasing box (16), and the stepless speed increasing box (16) is connected to an external speed controller and an external power supply.
9. The exhaust chimney wind power recycling hybrid power generation device according to claim 8, characterized in that: The deceleration brake system is an electromagnetic disc brake (17), which is connected to an external speed controller, an external power supply and a permanent magnet generator system.
10. The exhaust chimney wind power recycling hybrid power generation equipment according to claim 9, characterized in that: The permanent magnet generator system includes a permanent magnet synchronous generator (18) connected to an electromagnetic disc brake, a centrifugal switch (19) is installed on the rotor of the permanent magnet synchronous generator, and the centrifugal switch (19) is connected to an external speed controller.