Heat collection device based on solar molten salt latent heat energy storage

By designing a heat collecting device based on the latent heat storage of solar melt salts, using reflectors and steering components to gather solar energy, transfer heat and drive generators to generate electricity, the problem of combining the difficulty of molten salt and insufficient maturity of automatic light-chasing devices in the prior art is solved, and efficient solar power generation is achieved.

CN222824575UActive Publication Date: 2025-05-02INNER MONGOLIA UNIV OF TECH
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Patent Information

Application Number
CN202421741413.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-02
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

In the prior art, it is difficult to combine molten salt, the maturity and market data of automatic light-chasing devices are insufficient, and the technology of large steam Stirling generators is immature and costly, and is only in the demonstration stage.

Method used

Design a heat collecting device based on the latent heat storage of solar molten salt, including reflectors, chassis, fixed bearings, fixed tubes, support cylinders, steering assembly, support plate, power generation assembly and control assembly. Sunlight is gathered through mirrors, heat is transferred to molten salt, generating steam-driven generators to generate electricity, and optimizing solar energy utilization through automatic tracking devices.

Benefits of technology

It realizes efficient solar heat collection and power generation, solves the problems of difficulty in combining molten salt and insufficient maturity of automatic light-chasing devices, reduces power generation costs, and improves power generation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of solar power generation, particularly relates to a heat collection device based on solar molten salt latent heat storage, and provides the following scheme aiming at the problems that the existing automatic light tracking device is mature in a certain system and lacks market data, and a large steam Stirling generator is immature in technology and high in cost. The device comprises a reflector and a chassis, the top of the chassis is fixedly connected with a fixed bearing, the interior of the fixed bearing is rotatably connected with a fixed pipe, the top of the fixed pipe is fixedly connected with a supporting cylinder, and the outer wall of the supporting cylinder is fixedly connected with the bottom of the reflector through a steering assembly. Sunlight is gathered to a heat collecting barrel through a reflecting mirror of the solar cooker, generated steam is conveyed to a power generation module of a steam power generator structure through a pipeline, conversion from mechanical energy to electric energy is achieved, the control device automatically rotates along with the sun, and solar energy is gathered and utilized to the maximum extent.
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Description

Technical Field

[0001] The utility model relates to the technical field of solar power generation, in particular to a heat collecting device based on solar molten salt latent heat energy storage. Background Art

[0002] my country's solar energy resources are also very rich. According to statistics, more than 2 / 3 of the country's regions have annual sunshine hours greater than 2,000 hours. The solar radiation energy received by my country's land per square meter each year is between 3.3x103 and 8.4x103MJ, equivalent to the reserves of 241.04 million tons of standard coal. my country's solar energy has good conditions for using solar energy. Especially in the vast northwest region with a sparse population and scattered residences, we can make full use of the local abundant solar energy resources, adopt solar power generation technology, develop the economy, and improve people's living standards. Overall, dish solar thermal power generation technology has made certain commercial progress abroad, especially in the United States.

[0003] Dish solar devices, including this device, are currently difficult to combine with molten salt, and automatic light-chasing devices have a certain system maturity and lack of market data. In addition, large-scale steam Stirling generator technology is immature and the cost is particularly high, so it can only be in the demonstration stage. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that it is difficult to combine with molten salt, the automatic light chasing device has a certain system maturity and lacks market data, and the large steam Stirling generator technology is immature and the cost is particularly high, and can only be used in the demonstration stage. A heat collecting device based on solar molten salt latent heat storage is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A heat collecting device based on solar molten salt latent heat storage comprises a reflector and a chassis, wherein the top of the chassis is fixedly connected with a fixed bearing, the interior of the fixed bearing is rotatably connected with a fixed tube, the top of the fixed tube is fixedly connected with a support tube, the outer wall of the support tube is fixedly connected with the bottom of the reflector through a steering assembly, and the steering assembly is used to control the orientation of the reflector;

[0007] A support plate is fixedly connected to the top of the support cylinder, the support plate is eccentrically arranged, and a power generation component for generating electricity is arranged on the top of the support plate;

[0008] A control assembly is arranged on the top of the chassis and is used to control the position of the support plate.

[0009] In a possible design, the steering assembly includes a rotating shaft that rotates and passes through the interior of the support tube, and the outer wall fixed sleeve of the rotating shaft is provided with two symmetrically arranged fixing seats, and the tops of the two fixing seats are fixedly connected to the same bogie.

[0010] In a possible design, one side of the support tube is rotatably connected to an electric push rod, the output end of the electric push rod is rotatably connected to one side of the bottom of the bogie, the bottom of the reflector is fixedly connected to a plurality of L-shaped plates, the plurality of L-shaped plates are arranged in a ring shape at the bottom of the reflector, and the L-shaped plates are fixedly connected to the outer wall of the bogie by screws.

[0011] In one possible design, the power generation assembly includes a heat collecting barrel fixedly connected to the top of a support plate, a mounting plate fixedly connected to one side of the support plate, a steam generator is arranged on the top of the mounting plate, and a steam pipe is fixedly connected to the top of the heat collecting barrel, one end of the steam pipe is connected to the steam generator.

[0012] In a possible design, an annular frame is fixedly mounted on the outer wall of the heat collecting barrel, and a plurality of lenses are fixedly connected to the outer wall of the annular frame.

[0013] In one possible design, the control component includes a servo motor fixedly connected to the top of the chassis, the output shaft of the servo motor is fixedly connected to the second gear, the outer wall of the fixed tube is fixedly sleeved with a first gear, and the first gear is meshed with the second gear.

[0014] In a possible design, a same flat plate is rotatably sleeved on the outer wall of the fixed tube, and a plurality of brackets are fixedly connected to the bottom of the flat plate.

[0015] In the present application, the device uses the reflector of the solar cooker to focus the sunlight on the heat collecting barrel, and concentrates the solar energy heat to the outside of the heat collecting barrel. The heat collecting barrel is divided into two upper and lower spaces, each of which is sealed. By heating, the salt absorbs heat and becomes molten, and the heat is transferred to the water in the upper water tank. At the same time, the lens is used to focus the sunlight on the water tank, and the water tank in the heat storage module is heated together with the heat collecting barrel. The sealing device on the top of the water tank is used to increase the water temperature inside the water tank and generate water vapor. Then, the generated water vapor is transported to the steam generator structure power generation module through a pipeline, and the piston is driven to reciprocate to realize the conversion of steam energy into mechanical energy. Finally, the use of The generator is driven coaxially to rotate and generate electricity, thereby realizing the conversion of mechanical energy into electrical energy. An automatic tracking device is installed at the bottom of the solar cooker device, and the light intensity device is used to control the device to autonomously follow the sun's rotation, thereby maximizing the collection and utilization of solar energy and ensuring the power generation efficiency of the device. By starting the servo motor, the output shaft of the servo motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the fixed tube to rotate, and the fixed tube drives the supporting tube to rotate, thereby adjusting the position of the heat collecting barrel, and by starting the electric push rod, the reflector can rotate around the rotating shaft, thereby adjusting the direction of the reflector to facilitate the device to face the sun.

[0016] Beneficial effects:

[0017] In the utility model, the heat collection device based on solar molten salt latent heat storage can achieve the effect of converting human energy into electrical energy through the power generation component, and the reflector of the solar cooker is used to collect sunlight onto the heat collection barrel, which can improve the heat collection effect;

[0018] In the utility model, the heat collection device based on solar molten salt latent heat storage can achieve the effect of adjusting the rotation of the heat collection barrel through the steering assembly. At this time, the position of the heat collection barrel can be adjusted, and the angles of the steering rack and the reflector can also be adjusted, thereby maximizing the collection and utilization of solar energy and ensuring the power generation efficiency of the device;

[0019] In the utility model, multiple lenses are set and the reflector of the solar cooker is used to collect sunlight onto the heat collecting barrel, and the generated water vapor is transported to the steam generator structure power generation module through a pipeline, so as to realize the conversion of mechanical energy into electrical energy. The control device autonomously follows the rotation of the sun, collects and utilizes solar energy to the greatest extent, ensures the power generation efficiency of the device, and facilitates the device to face the sun. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a heat collection device based on solar molten salt latent heat storage proposed in the utility model;

[0021] Figure 2This is a schematic diagram of the three-dimensional structure of a heat collection barrel in a heat collection device based on solar molten salt latent heat storage proposed by the utility model;

[0022] Figure 3 A schematic diagram of the three-dimensional structure of a bracket in a heat collection device based on solar molten salt latent heat storage proposed in the utility model;

[0023] Figure 4 A schematic diagram of the three-dimensional structure of a bogie in a heat collection device based on solar molten salt latent heat storage proposed in the utility model;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of a reflector in a heat collection device based on solar molten salt latent heat storage proposed in the utility model.

[0025] In the figure: 1. chassis; 2. bracket; 3. reflector; 4. support tube; 5. heat collecting barrel; 6. support plate; 7. bogie; 8. lens; 9. ring frame; 10. steam pipe; 11. steam generator; 12. mounting plate; 13. fixed pipe; 14. first gear; 15. fixed bearing; 16. servo motor; 17. second gear; 18. fixed seat; 19. rotating shaft; 20. electric push rod; 21. L-shaped plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] Reference Figure 1-5A heat collecting device based on solar molten salt latent heat storage is used in the field of solar power generation, comprising: a reflector 3 and a chassis 1, the top of the chassis 1 is fixedly connected with a fixed bearing 15, the interior of the fixed bearing 15 is rotatably connected with a fixed tube 13, the top of the fixed tube 13 is fixedly connected with a support tube 4, the outer wall of the support tube 4 is fixedly connected to the bottom of the reflector 3 through a steering assembly, the steering assembly is used to control the direction of the reflector 3, the steering assembly comprises a rotating shaft 19 that rotates and runs through the interior of the support tube 4, and the outer wall of the rotating shaft 19 is fixedly sleeved with two symmetrically arranged fixing seats 18, the tops of the two fixing seats 18 are fixedly connected to the same bogie 7, one side of the support tube 4 is rotatably connected to an electric push rod 20, the output end of the electric push rod 20 is rotatably connected to one side of the bottom of the bogie 7, the bottom of the reflector 3 is fixedly connected to a plurality of L-shaped plates 21, the plurality of L-shaped plates 21 are arranged in a ring shape at the bottom of the reflector 3, the L-shaped plates 21 are fixedly connected to the outer wall of the bogie 7 by screws, and the reflector 3 can be rotated around the rotating shaft 19 by starting the electric push rod 20, thereby adjusting the direction of the reflector 3 so that the device faces the sun;

[0029] The top of the support tube 4 is fixedly connected with a support plate 6, which is eccentrically arranged. A power generation assembly for generating electricity is arranged on the top of the support plate 6. The power generation assembly includes a heat collecting barrel 5 fixedly connected to the top of the support plate 6. A mounting plate 12 is fixedly connected to one side of the support plate 6. A steam generator 11 is arranged on the top of the mounting plate 12. A steam pipe 10 is fixedly connected to the top of the heat collecting barrel 5. One end of the steam pipe 10 is connected to the steam generator 11. An annular frame 9 is fixedly sleeved on the outer wall of the heat collecting barrel 5. A plurality of lenses 8 are fixedly connected to the outer wall of the annular frame 9. The device utilizes the reflector 3 of the solar cooker to gather sunlight onto the heat collecting barrel 5 and to gather solar heat onto the outside of the heat collecting barrel 5. The heat collecting barrel 5 is divided into two upper and lower spaces, each of which is sealed. By heating, the salt absorbs heat and becomes molten, and transfers the heat to the water in the upper water tank. At the same time, the lens 8 is used to focus the sunlight onto the water tank, and the water tank in the heat storage module is heated together with the heat collecting barrel 5. The sealing device on the top of the water tank increases the water temperature inside and generates water vapor. Then, the generated water vapor is transported to the steam generator 11 structure power generation module through a pipeline, and the piston is driven to reciprocate to realize the conversion of steam energy into mechanical energy. Finally, the generator is driven by the coaxial shaft to rotate and generate electricity, realizing the conversion of mechanical energy into electrical energy. The bottom of the solar cooker device is equipped with an automatic tracking device, which uses the light intensity device to control the device to autonomously follow the sun to rotate, maximize the collection and utilization of solar energy, and ensure the power generation efficiency of the device.

[0030] A control component is arranged on the top of the chassis 1 and is used to control the position of the support plate 6. The control component includes a servo motor 16 fixedly connected to the top of the chassis 1. The output shaft of the servo motor 16 is fixedly connected to the second gear 17. The outer wall of the fixed tube 13 is fixedly sleeved with a first gear 14. The first gear 14 is meshed with the second gear 17. By starting the servo motor 16, the output shaft of the servo motor 16 drives the second gear 17 to rotate, the second gear 17 drives the first gear 14 to rotate, the first gear 14 drives the fixed tube 13 to rotate, and the fixed tube 13 drives the support tube 4 to rotate, thereby adjusting the position of the heat collecting barrel 5.

[0031] Example 2

[0032] refer to Figure 1-5 , based on the improvement of Example 1: the outer wall of the fixed tube 13 is rotatably sleeved with a same flat plate, and a plurality of brackets 2 are fixedly connected to the bottom of the flat plate.

[0033] However, as is well known to those skilled in the art, the working principles and wiring methods of the servo motor 16, electric push rod 20 and steam generator 11 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat collection device based on solar molten salt latent heat storage, characterized in that: include: A reflector (3) and a chassis (1), wherein the top of the chassis (1) is fixedly connected to a fixed bearing (15), the interior of the fixed bearing (15) is rotatably connected to a fixed tube (13), the top of the fixed tube (13) is fixedly connected to a support tube (4), the outer wall of the support tube (4) is fixedly connected to the bottom of the reflector (3) via a steering assembly, and the steering assembly is used to control the orientation of the reflector (3); A support plate (6) is fixedly connected to the top of the support cylinder (4); the support plate (6) is eccentrically arranged; and a power generation component for generating electricity is arranged on the top of the support plate (6); A control component is arranged on the top of the chassis (1) and is used to control the position of the support plate (6).

2. A heat collection device based on solar molten salt latent heat storage according to claim 1, characterized in that: The steering assembly comprises a rotating shaft (19) which rotates and passes through the interior of the support tube (4); the outer wall of the rotating shaft (19) is fixedly sleeved with two symmetrically arranged fixing seats (18); the tops of the two fixing seats (18) are fixedly connected to the same bogie (7).

3. A heat collection device based on solar molten salt latent heat storage according to claim 2, characterized in that: One side of the support tube (4) is rotatably connected to an electric push rod (20), the output end of the electric push rod (20) is rotatably connected to one side of the bottom of the bogie (7), the bottom of the reflector (3) is fixedly connected to a plurality of L-shaped plates (21), the plurality of L-shaped plates (21) are arranged in a ring shape at the bottom of the reflector (3), and the L-shaped plates (21) are fixedly connected to the outer wall of the bogie (7) by screws.

4. A heat collection device based on solar molten salt latent heat storage according to claim 1, characterized in that: The power generation assembly comprises a heat collection barrel (5) fixedly connected to the top of a support plate (6); a mounting plate (12) is fixedly connected to one side of the support plate (6); a steam generator (11) is arranged on the top of the mounting plate (12); a steam pipe (10) is fixedly connected to the top of the heat collection barrel (5); one end of the steam pipe (10) is connected to the steam generator (11).

5. A heat collection device based on solar molten salt latent heat storage according to claim 4, characterized in that: An annular frame (9) is fixedly sleeved on the outer wall of the heat collection barrel (5), and a plurality of lenses (8) are fixedly connected to the outer wall of the annular frame (9).

6. A heat collection device based on solar molten salt latent heat storage according to claim 1, characterized in that: The control assembly comprises a servo motor (16) fixedly connected to the top of the chassis (1), the output shaft of the servo motor (16) being fixedly connected to a second gear (17), the outer wall of the fixed tube (13) being fixedly sleeved with a first gear (14), the first gear (14) being meshed with the second gear (17).

7. A heat collection device based on solar molten salt latent heat storage according to claim 1, characterized in that: The outer wall of the fixed tube (13) is rotatably sleeved with a same flat plate, and the bottom of the flat plate is fixedly connected to a plurality of brackets (2).