Magnetic energy boosting low-pressure steam power generation system

By introducing magnetic boost components and graphene coatings into the low-voltage steam power generation system of small waste incinerators, the problem of low-temperature flue gas being difficult to drive power generation is solved, efficient power generation and energy utilization is achieved, and the power generation capacity and economy of small waste incinerators are improved.

CN120251331AActive Publication Date: 2025-07-04YUEYANG JUNZHUANG ENVIRONMENTAL PROTECTION TECHNOLOGY RESEARCH INSTITUTE
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Patent Information

Application Number
CN202510506094.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2025-07-04
Estimated Expiration
2045-04-22

AI Technical Summary

Technical Problem

The low-temperature flue gas generated by small waste incinerators is difficult to drive the steam turbine to generate electricity, resulting in low power generation efficiency and limited power generation, and serious energy waste.

Method used

The magnetic energy booster low-pressure steam power generation system is adopted. By installing magnetic booster assemblies and graphene-coated diversion blades in the steam turbine, the low-pressure steam is used to drive the turbine and provide auxiliary driving force through the magnetic booster assemblies to improve power generation efficiency.

Benefits of technology

It realizes efficient power generation under low-pressure steam conditions, improves energy utilization efficiency and power generation efficiency, reduces operating costs, and improves the power generation capacity and economy of small waste incinerators.

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Abstract

The invention discloses a magnetic energy boosting low-pressure steam power generation system which comprises a steam turbine and a power generator. A driving shaft is arranged in the steam turbine, the driving shaft is sleeved with a driving impeller and a conical flow guide impeller, a plurality of driving blades are arranged on the driving impeller at equal intervals, and a plurality of flow guide blades are arranged on the conical flow guide impeller at equal intervals; a transmission shaft is arranged on the generator and can drive the generator to work, and a magnetic boosting assembly used for driving the transmission shaft to rotate is arranged on the generator; the magnetic boosting assembly comprises a stator and a rotor, the rotor sleeves the transmission shaft, the stator sleeves the periphery of the rotor, the stator and the rotor are in clearance fit, a plurality of first permanent magnets are arranged on the stator, a plurality of second permanent magnets are arranged on the rotor, and the polarities of the ends, close to each other, of the first permanent magnets and the second permanent magnets are the same. The device can be suitable for flue gas power generation of the small garbage incinerator, and the working stability and the power generation efficiency can be improved through magnetic boosting.
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Description

Technical Field

[0001] The present invention relates to the field of secondary energy utilization, and particularly to a magnetic energy boosting low-pressure steam power generation system, which is applicable to the waste heat recovery power generation of small garbage cracking incinerators. Background Art

[0002] For the treatment of solid waste, the traditional method mainly focuses on landfill; however, it has been proved by practice that landfill causes too much environmental pollution. Later, it was found that the method of burning garbage has a relatively small environmental impact cost. Most of the heat generated during the burning of garbage is used to crack the garbage, and inevitably, some heat will be discharged with the flue gas generated by garbage incineration; in order to utilize this part of heat, equipment for generating electricity using the residual heat in garbage incineration flue gas has emerged on the market.

[0003] For large garbage incinerators, the temperature of the discharged flue gas can usually reach 600 - 800 °C. Using these flue gases to heat a boiler can generate steam with a pressure of not less than 2 MPa, and it is completely feasible to utilize this steam for power generation. For example, the publication numbers are CN222210332U, CN212614920U, etc. However, for some small garbage incinerators, due to the interaction of multiple complex factors such as the efficiency of the equipment itself, the composition of garbage raw materials, and the combustion conditions, the temperature of the flue gas generated by small garbage cracking incinerators is usually only 300 - 400 °C. If these flue gases are used to heat a boiler, the steam pressure that can be generated is very difficult to exceed 1 MPa. This low-pressure steam is very difficult to drive existing steam turbines, so it is very difficult to be used for steam power generation. Even if it is used for power generation, there will be problems of low power generation efficiency and limited power generation. Therefore, it is very difficult to reuse the flue gas generated by existing small garbage incinerators, and it is usually directly discharged, resulting in energy waste. Summary of the Invention

[0004] To solve some or all of the problems existing in the above-mentioned prior art, the present invention provides a magnetic energy boost low-pressure steam power generation system, including an installation platform, on which a steam turbine, a generator and a condensation component are provided. The steam turbine is connected to the generator. The steam turbine includes a turbine housing, on which a steam input pipe and a steam output pipe are provided. The steam input pipe is externally connected to a boiler, and the steam output pipe is connected to the condensation component. The condensation component is used to condense steam into liquid water. A rotatable drive shaft is provided inside the turbine housing. An active impeller and a conical guide impeller are sleeved on the drive shaft. A plurality of drive blades are equidistantly arranged on the active impeller, and a plurality of guide blades are equidistantly arranged on the conical guide impeller. The guide blades and the drive blades are arranged in one-to-one correspondence. The guide impeller can guide the steam on the active impeller to the steam output pipe. A transmission shaft is provided on the generator, and the transmission shaft is connected to the drive shaft. The transmission shaft can drive the generator to work. A magnetic boost component is provided on the generator, and the magnetic boost component is used to drive the transmission shaft to rotate. The magnetic boost component includes a stator and a rotor. The stator is connected to the generator, the rotor is sleeved on the transmission shaft, the stator is sleeved on the periphery of the rotor, and the stator and the rotor are in clearance fit. A plurality of first permanent magnets are arranged in a circumferential array on the stator, and a plurality of second permanent magnets are arranged in a circumferential array on the rotor. The ends of the first permanent magnets and the second permanent magnets that are close to each other have the same polarity.

[0005] As a further improvement of the present invention, the number of the magnetic boost components is two, and the two magnetic boost components are symmetrically distributed on both sides of the generator.

[0006] As a further improvement of the present invention, graphene coatings are respectively provided on the surfaces of the drive blades and the guide blades.

[0007] As a further improvement of the present invention, the thickness of the graphene coating is 30-100 microns, and the friction coefficient ≤ 0.1.

[0008] As a further improvement of the present invention, a mounting seat is provided on the installation platform. One end of the transmission shaft is connected to the mounting seat through a bearing, and an elastic coupling is provided at the other end of the transmission shaft. The elastic coupling is connected to the drive shaft.

[0009] As a further improvement of the present invention, a regulating valve is provided on the steam input pipe.

[0010] As a further improvement of the present invention, the condensation component includes a pipe condenser. The input end of the pipe condenser is connected to the steam output pipe, and the output end of the pipe condenser is connected to a heat exchange water tank through a steam diversion pipe.

[0011] As a further improvement of the present invention, a water outlet pipe is provided on the heat exchange water tank. The water outlet pipe is located below the steam diversion pipe. A water pump is provided on the installation platform. The input end of the water pump is connected to the water outlet pipe, and the output end of the water pump is externally connected to a boiler.

[0012] As a further improvement of the present invention, a water replenishing pipe is provided on the heat exchange water tank. The water replenishing pipe is located above the water outlet pipe, and the water replenishing pipe is used for externally connecting to a water source.

[0013] As a further improvement of the present invention, a support frame is provided at the lower end of the installation platform. An inspection staircase is provided on the installation platform, and the inspection staircase extends to the lower end of the support frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: By structurally improving the steam turbine, the present invention enables it to be driven by a relatively low steam pressure to drive a generator for power generation. Through actual measurement, the steam pressure reaching 0.5 MPa can drive the steam turbine to operate. During use, the relatively low-pressure steam input through the steam input pipe pushes the driving impeller to rotate, and then drives the driving shaft and the transmission shaft to rotate to achieve power generation. After the steam passes through the driving blades, it will flow onto the guiding blades of the conical guiding impeller, and then the steam is guided to the steam output pipe through the guiding blades. After being guided by the guiding blades, the back pressure generated by the steam outflow can be reduced, so that the energy of the steam can act on the driving shaft as much as possible, improving the energy utilization efficiency.

[0015] By providing a magnetic force boosting component on the generator, the present invention can provide an auxiliary driving force, thereby improving the power generation efficiency. At the initial stage of startup, the driving shaft of the steam turbine drives the transmission shaft to rotate, and the transmission shaft drives the rotor to rotate synchronously. When the second permanent magnet moves closer to the first permanent magnet, negative work is done; when passing through the resistance point, the second permanent magnet and the first permanent magnet rotate away from each other through the resistance section, so that the magnetic energy of the two permanent magnets does positive work on the circumference, and in one circular motion, the positive work is greater than the negative work; therefore, as the driving shaft rotates continuously, the rotor will accelerate, and in turn drive the transmission shaft to accelerate rotation, and then drive the generator to generate electricity, that is, the magnetic force boosting component does external work to provide an auxiliary driving force. Description of the Drawings

[0016] In order to more clearly illustrate the solutions in the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 is a schematic top view structure diagram of an embodiment of the present invention; Figure 3 is a schematic diagram of the internal structure of a steam turbine in an embodiment of the present invention; Figure 4 is a schematic diagram of the internal structure of the steam turbine from another perspective in an embodiment of the present invention; Figure 5 is a schematic top view structure diagram of a generator and a magnetic boosting component in an embodiment of the present invention; Figure 6 is Figure 5 a schematic cross-sectional structure diagram of A - A in; Figure 7 is Figure 5 a schematic cross-sectional structure diagram of B - B in. Detailed implementation manners

[0018] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs; the terms used in the specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "comprising" and "having" and any variations thereof in the specification and claims of the present invention and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of the present invention or the above drawings are used to distinguish different objects and not to describe a specific order.

[0019] Referring to "embodiment" in the present invention means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present invention. The phrase appears at various positions in the specification does not necessarily refer to the same embodiment, nor is it an exclusive, independent or alternative embodiment to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described in the present invention can be combined with other embodiments.

[0020] In order to enable those skilled in the art of the present technology to better understand the present invention solution, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings.

[0021] Such as Figures 1-7As shown in the figure, a magnetic energy boost low-pressure steam power generation system includes an installation platform 1, on which a steam turbine 2, a generator 3 and a condensation assembly are fixedly installed. The steam turbine 2 is externally connected to a boiler, and the steam turbine 2 is connected to the generator 3. During operation, the waste heat of the flue gas generated by the waste incinerator is output to the boiler to heat the water in the boiler, and the generated low-pressure steam is transported to the steam turbine 2 through a pipeline, and then the steam turbine 2 drives the generator 3 to generate electricity.

[0022] The steam turbine 2 includes a turbine housing 21, and the turbine housing 21 is fixedly connected to the installation platform 1 through a machine base. A steam inlet pipe 22 and a steam outlet pipe 23 are provided on the turbine housing 21. The steam inlet pipe 22 is externally connected to the boiler, and the low-pressure steam generated by the boiler is transported to the steam inlet pipe 22 through a pipeline, and then transported to the inside of the steam turbine 2 through the steam inlet pipe 22, so as to drive the steam turbine 2 to work. The steam outlet pipe 23 is connected to the condensation assembly, and the condensation assembly is used to condense the steam into liquid water. During operation, after the low-pressure steam flows into the steam turbine 2 through the steam inlet pipe 22 to drive the steam turbine 2 to work, it will flow out of the steam turbine 2 through the steam outlet pipe 23, and then the steam is condensed into liquid water by the condensation assembly. The condensed liquid water can be re-extracted into the boiler to realize the recycling of water resources and improve the environmental protection performance.

[0023] A regulating valve 4 is installed on the steam inlet pipe 22, and the regulating valve 4 is used to regulate the steam flow rate and pressure flowing into the turbine housing 21 to ensure that the energy of the steam can be fully utilized and improve the energy utilization efficiency.

[0024] A rotatable drive shaft 24 is provided inside the turbine housing 21. The drive shaft 24 is fixedly connected to the turbine housing 21 through a bearing, and the drive shaft 24 can rotate inside the turbine housing 21. A driving impeller 25 and a conical guiding impeller 26 are fixedly sleeved on the drive shaft 24. A plurality of driving blades 27 are arranged at equal intervals on the driving impeller 25, and a plurality of guiding blades 28 are arranged at equal intervals on the conical guiding impeller 26. The guiding blades 28 and the driving blades 27 are arranged in one-to-one correspondence. The conical guiding impeller 26 can guide the steam on the driving impeller 25 to the steam outlet pipe 23. During operation, the low-pressure steam in the boiler flows into the turbine housing 21 through the steam inlet pipe 22, and these steams will impact the driving blades 27, thereby pushing the driving blades 27 to rotate, driving the driving impeller 25 and the drive shaft 24 to rotate, and then driving the generator 3 to generate electricity through the drive shaft 24; at the same time, the drive shaft 24 will also drive the conical guiding impeller 26 to rotate synchronously. After the steam impacts the driving blades 27, it will flow to the guiding blades 28 with the rotation of the driving blades 27, and then flow into the steam outlet pipe 23 with the rotation of the guiding blades 28, and then flow to the condensation assembly and be condensed into liquid water.

[0025] The driving blades 27 and the guide vanes 28 are arranged in one-to-one correspondence, and the surfaces of the two are smoothly connected as a whole, so that the back pressure of the steam can be reduced after the steam is guided by the guide vanes 28 on the conical guide impeller 26, thereby reducing energy loss, enabling the energy of the steam to act on the drive shaft 24 as much as possible, and improving the energy conduction efficiency. This magnetic energy boosting low-pressure steam power generation system can drive the steam turbine 2 to work with steam at a relatively low air pressure, thereby realizing power generation; through actual measurement, the steam turbine can be driven to work when the steam pressure is 0.5 MPa. Thus, this magnetic energy boosting low-pressure steam power generation system can be applied to power generation by heating a boiler with low-temperature flue gas discharged from a small garbage incinerator, improving the energy utilization efficiency and reducing waste.

[0026] In order to further improve the energy utilization efficiency, graphene coatings are respectively provided on the surfaces of the driving blades 27 and the guide vanes 28. By setting the graphene coatings, the surface smoothness of the driving blades 27 and the guide vanes 28 can be improved, the residence time of the steam on their surfaces can be shortened, and the friction loss can be reduced, thereby improving the energy utilization efficiency of the steam. In this embodiment, the thickness of the graphene coatings on the driving blades 27 and the guide vanes 28 is 30 - 100 microns. Through actual measurement, after the graphene coatings are set, the friction coefficient of the surfaces of the driving blades 27 and the guide vanes 28 is ≤0.1.

[0027] The generator 3 includes a generator housing 31. The generator housing 31 is fixedly connected to the installation platform 1 through a machine base. A rotatable transmission shaft 32 is provided inside the generator housing 31. When the transmission shaft 32 rotates, it can drive the generator 3 to generate electricity. The generator 3 can adopt an existing generator 3, and its structure will not be described in detail herein. The transmission shaft 32 is connected to the drive shaft 24. During operation, the drive shaft 24 drives the transmission shaft 32 to rotate, and then drives the generator 3 to work and generate electricity. A magnetic force boosting assembly 5 is installed on the generator 3. The magnetic force boosting assembly 5 is used to drive the transmission shaft 32 to rotate; by driving the transmission shaft 32 to rotate together through the magnetic force boosting assembly 5, the power generation efficiency of this magnetic energy boosting low-pressure steam power generation system can be improved.

[0028] Specifically, the magnetic force boosting assembly 5 includes a stator 51 and a rotor 52. The stator 51 is fixedly installed on the generator housing 31. The rotor 52 is sleeved on the transmission shaft 32 and fixedly connected to the transmission shaft 32, and can rotate synchronously with the transmission shaft 32. The stator 51 is sleeved on the periphery of the rotor 52, and the stator 51 and the rotor 52 are in clearance fit. The stator 51 is provided with a plurality of first permanent magnets 53 arranged in a circumferential array, and the rotor 52 is provided with a plurality of second permanent magnets 54 arranged in a circumferential array. One end of the first permanent magnet 53 and the second permanent magnet 54 close to each other have the same polarity. When the magnetic energy boosting low-pressure steam power generation system works, in the initial stage of startup, the drive shaft 24 of the steam turbine 2 drives the transmission shaft 32 to rotate. The transmission shaft 32 drives the rotor 52 to rotate synchronously. When the second permanent magnet 54 moves closer to the first permanent magnet 53, negative work is done. When passing through the resistance point, the second permanent magnet 54 and the first permanent magnet 53 rotate away from each other through the resistance section, so that the magnetic energy of the two permanent magnets does positive work on the circumference, and in one circular motion, the positive work is greater than the negative work. Therefore, as the drive shaft 24 rotates continuously, the rotor 52 will accelerate, and in turn drive the transmission shaft 32 to accelerate, driving the generator 3 to generate electricity, that is, the magnetic force boosting assembly 5 does external work and provides auxiliary driving force.

[0029] The magnetic energy boosting low-pressure steam power generation system drives the transmission shaft 32 to rotate through the two driving forces of the steam turbine 2 and the magnetic force boosting assembly 5 to realize driving the generator 3 to work and generate electricity, which can improve the energy conversion efficiency and thus improve the power generation efficiency. After actual measurement, its energy conversion efficiency can exceed 82%. The magnetic energy boosting low-pressure steam power generation system is driven by the steam turbine 2 and the magnetic force boosting assembly 5 at the same time, and the two interact and compensate each other, thus ensuring the high stability of the rotational speed of the generator 3 during operation, significantly improving the efficiency of the small waste incinerator waste heat recovery power generation system, making its power generation capacity higher than that of the high-pressure steam turbine, effectively overcoming the problems of insufficient power generation capacity and high power generation cost faced by traditional small incinerators, significantly reducing the operating cost, and further highlighting the flexibility and economic advantages of small incinerators in application.

[0030] In this embodiment, the number of the magnetic force boosting assemblies 5 is two, and the two magnetic force boosting assemblies 5 are symmetrically distributed on both sides of the generator 3. By setting two magnetic force boosting assemblies 5, the power generation efficiency can be further improved. In other embodiments, the number of the magnetic force boosting assemblies 5 can also be any other number.

[0031] An installation base 6 is provided on the installation platform 1. One end of the transmission shaft 32 is rotatably connected and fixed to the installation base 6 through a bearing. The installation base 6 can limit the transmission shaft 32. An elastic coupling 7 is provided at the end of the transmission shaft 32 away from the installation base 6, and the elastic coupling 7 is fixedly connected to the drive shaft 24. The elastic coupling 7 enables the drive shaft 24 and the transmission shaft 32 to achieve rotational speed tolerance to a certain extent, and there can also be a certain degree of deviation between the axes of the two. Using the elastic coupling 7 can reduce the assembly difficulty of the magnetic energy boost low-pressure steam power generation system, improve the assembly efficiency, and reduce the probability of later failures.

[0032] During use, when the enthalpy value of the steam output by the boiler ≥ 150 kJ / kg, the drive shaft 24 on the steam turbine 2 can drive the transmission shaft 32 to generate electricity; when the steam parameters are lower than the critical value, the magnetic force boost assembly 5 automatically compensates the coupling mode to achieve torque compensation. The two achieve a ±5% rotational speed tolerance match through the elastic coupling 7 to ensure that the output power is stably in the range of 95% - 105% of the rated value.

[0033] A plurality of support frames 8 are provided at the lower end of the installation platform 1. Through the support frames 8, it is convenient to place the magnetic energy boost low-pressure steam power generation system on the ground or a preset installation position, so that it can be placed stably. An inspection staircase 9 is provided on the installation platform 1, and the inspection staircase 9 extends to the lower end of the support frame 8; by providing the inspection staircase 9, it is convenient for maintenance personnel to climb onto the installation platform 1 for operation, improving the convenience of maintenance.

[0034] The condensation assembly includes a pipe condenser 10. The input end of the pipe condenser 10 is connected to the steam output pipe 23, and the output end of the pipe condenser 10 is connected to a heat exchange water tank 12 through a steam diversion pipe 11. During operation, the steam used by the steam turbine 2 flows out through the steam output pipe 23 to the pipe condenser 10, and the steam will be condensed into liquid water in the pipe condenser 10. Then the liquid water flows into the heat exchange water tank 12 through a pipeline for cooling, so as to condense the steam into liquid water for subsequent reuse.

[0035] In this embodiment, a water outlet pipe 13 is provided on the heat exchange water tank 12. The water outlet pipe 13 is located below the steam diversion pipe 11. A water pump 14 is provided on the installation platform 1. The input end of the water pump 14 is connected to the water outlet pipe 13, and the output end of the water pump 14 is externally connected to the boiler. During operation, the water pump 14 can pump the water in the heat exchange water tank 12 into the boiler, and then the boiler is heated by the flue gas of the waste incinerator to heat the liquid water into low-pressure steam, which is then re-input into the steam turbine 2 through the steam input pipe 22 for power generation by doing work. The magnetic energy boost low-pressure steam power generation system can realize the recycling of water resources, reduce waste, and improve the environmental protection performance.

[0036] During the actual operation process, water loss is inevitable. To ensure sufficient water can be added to the boiler, a make-up water pipe 15 is provided on the heat exchange water tank 12. The make-up water pipe 15 is located above the outlet pipe 13 and is used to connect to an external water source. When the water in the heat exchange water tank 12 is insufficient, the external water source can inject water into the heat exchange water tank 12 through the make-up water pipe 15, thus ensuring sufficient water volume in the heat exchange water tank 12.

[0037] Working principle: During operation, the waste heat of the flue gas generated by the waste incinerator is used to heat the boiler, so that the water vapor in the boiler is vaporized into steam. The low-pressure steam flows into the steam turbine 2 through the steam input pipe 22. The steam impacts and drives the blades 27, pushing the driving blades 27 to rotate, driving the driving impeller 25 and the driving shaft 24 to rotate, and then driving the transmission shaft 32 to rotate through the driving shaft 24. The transmission shaft 32 drives the generator 3 to generate electricity. At the same time, the driving shaft 24 also drives the conical guide impeller 26 to rotate synchronously. After the steam impacts the driving blades 27, it will flow to the guide blades 28 with the rotation of the driving blades 27, and then flow into the steam output pipe 23 with the rotation of the guide blades 28, and then flow into the pipeline condenser 10 to be condensed into liquid water. The liquid water then flows into the heat exchange water tank 12 through the pipeline for reuse.

[0038] In the initial stage of equipment startup, the driving shaft 24 drives the transmission shaft 32 to rotate, and the transmission shaft 32 drives the rotor 52 to rotate synchronously. When the second permanent magnet 54 moves towards the first permanent magnet 53, negative work is done. When passing through the resistance point, the second permanent magnet 54 and the first permanent magnet 53 rotate away from each other through the resistance section, making the magnetic energy of the two permanent magnets do positive work on the circumference, and in a circular motion, the positive work is greater than the negative work. Therefore, as the driving shaft 24 rotates continuously, the rotor 52 will accelerate, and in turn drive the transmission shaft 32 to accelerate rotation, driving the generator 3 to generate electricity, that is, the magnetic force boosting component 5 does work externally, providing auxiliary driving force and improving the power generation efficiency of the generator 3.

[0039] The above specific implementation manner is the preferred implementation manner of the present invention, and does not limit the specific implementation scope of the present invention. The scope of the present invention includes but is not limited to this specific implementation manner. All equivalent changes made in accordance with the present invention are within the protection scope of the present invention.

Claims

1. A magnetic energy boost low-pressure steam power generation system, characterized in that: It includes an installation platform, on which a steam turbine, a generator and a condensation component are provided, and the steam turbine is connected to the generator; The steam turbine includes a turbine housing, on which a steam inlet pipe and a steam outlet pipe are provided. The steam inlet pipe is externally connected to a boiler, and the steam outlet pipe is connected to the condensation component, and the condensation component is used to condense steam into liquid water; A rotatable drive shaft is provided inside the turbine housing, and an active impeller and a conical guide impeller are sleeved on the drive shaft. A plurality of drive blades are equidistantly arranged on the active impeller, and a plurality of guide blades are equidistantly arranged on the conical guide impeller. The guide blades and the drive blades are arranged in one-to-one correspondence, and the guide impeller can guide the steam on the active impeller to the steam outlet pipe; A transmission shaft is provided on the generator, and the transmission shaft is connected to the drive shaft. The transmission shaft can drive the generator to work, and a magnetic force boosting component is provided on the generator, and the magnetic force boosting component is used to drive the transmission shaft to rotate; The magnetic force boosting component includes a stator and a rotor. The stator is connected to the generator, the rotor is sleeved on the transmission shaft, the stator is sleeved on the periphery of the rotor, and the stator and the rotor are in clearance fit. A plurality of first permanent magnets are arranged in a circumferential array on the stator, and a plurality of second permanent magnets are arranged in a circumferential array on the rotor. The ends of the first permanent magnets and the second permanent magnets that are close to each other have the same polarity.

2. The magnetic energy boost low-pressure steam power generation system according to claim 1, characterized in that: The number of the magnetic force boosting components is two, and the two magnetic force boosting components are symmetrically distributed on both sides of the generator.

3. The magnetic energy boost low-pressure steam power generation system according to claim 1, characterized in that: Graphene coatings are respectively provided on the surfaces of the drive blades and the guide blades.

4. The magnetic energy boost low-pressure steam power generation system according to claim 3, characterized in that: The thickness of the graphene coating is 30 - 100 microns, and the friction coefficient ≤ 0.

1.

5. The magnetic energy boost low-pressure steam power generation system according to claim 1, characterized in that: An installation seat is provided on the installation platform. One end of the transmission shaft is connected to the installation seat through a bearing, and an elastic coupling is provided at the other end of the transmission shaft, and the elastic coupling is connected to the drive shaft.

6. The magneto-energy boosting low-pressure steam power generation system according to claim 1, wherein: A regulating valve is provided on the steam inlet pipe.

7. The magnetic energy boost low-pressure steam power generation system according to any one of claims 1-6, characterized in that: The condensation component includes a pipe condenser. The input end of the pipe condenser is connected to the steam outlet pipe, and the output end of the pipe condenser is connected to a heat exchange water tank through a steam diversion pipe.

8. The magnetic energy boost low-pressure steam power generation system according to claim 7, characterized in that: An outlet pipe is provided on the heat exchange water tank. The outlet pipe is located below the steam diversion pipe. A water pump is provided on the installation platform. The input end of the water pump is connected to the outlet pipe, and the output end of the water pump is externally connected to the boiler.

9. The magnetic energy boost low-pressure steam power generation system according to claim 8, wherein: A water replenishing pipe is provided on the heat exchange water tank. The water replenishing pipe is located above the outlet pipe, and the water replenishing pipe is used to externally connect to a water source.

10. The magneto-energy boosting low-pressure steam power generation system according to claim 7, wherein: A support frame is provided at the lower end of the installation platform, and a maintenance staircase is provided on the installation platform, and the maintenance staircase extends to the lower end of the support frame.

Citation Information

Patent Citations

  • Waste incineration kiln flue gas waste heat utilization power generation system

    CN212614920U

  • Waste heat power generation mechanism for flue gas of garbage incinerator

    CN222210332U

  • Power generation method and device of hydro-dynamic retarder

    CN101871372A

  • Overall combined cycle power generation system integrating garbage, fuel gas and steam

    CN107327326A

  • Steam waste heat and waste pressure power generation system of high-pressure deaerator

    CN119353069A