Waste heat recycling device for biogas power generation

By designing a biogas power waste heat recovery device including heating tank body, water storage inner vessel, smoke inlet pipe, smoke outlet pipe, connecting pipe, water pump and water storage tank, the problem of large volume and high cost of waste heat recovery equipment in the prior art is solved, and efficient recycling of waste heat generated by biogas power generation and secondary utilization of energy is achieved, energy consumption and operating costs are reduced.

CN222865682UActive Publication Date: 2025-05-13MODERN ENERGY (WUHE) CO LTD
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Patent Information

Application Number
CN202421808591.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-13
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing waste heat recovery and utilization technology equipment is huge in size, high in investment costs, and high operating costs, making it difficult to efficiently utilize the waste heat generated by biogas power generation.

Method used

A waste heat recovery device for biogas power generation is designed, including a heating tank, a water storage liner, a smoke inlet, a smoke outlet pipe, a connecting pipe, a water pump and a water storage tank. The waste heat is introduced between the heating tank and the water storage liner through the smoke inlet pipe, and heat exchange of heated water, and then the heated water is transferred to the water storage tank through the connecting pipe and the water pump.

Benefits of technology

The efficient recycling and utilization of waste heat generated by biogas power generation is achieved. By heating water by waste heat, the secondary utilization of energy is achieved, the efficiency of energy is improved, the demand for traditional energy is reduced, and energy consumption and operating costs are reduced.

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Abstract

The utility model relates to the technical field of waste heat recovery, and discloses a waste heat recycling device for biogas power generation, which comprises a heating tank body, the inner wall of the heating tank body is fixedly connected with a water storage inner container, the surface of the heating tank body is fixedly connected with a support frame, one end of the heating tank body is communicated with a smoke inlet pipeline, and the other end of the heating tank body is communicated with a smoke outlet pipeline. A smoke inlet valve is arranged on the surface of the smoke inlet pipeline, the upper end of the smoke inlet pipeline is in threaded connection with a mounting ring, and a filter screen is fixedly connected to the inner wall of the mounting ring. By arranging the smoke inlet pipeline, waste heat generated by biogas power generation enters the cavity between the heating tank body and the water storage inner container through the smoke inlet pipeline, the smoke inlet valve on the smoke inlet pipeline can control the inlet amount of waste heat smoke, and the waste heat smoke exchanges heat with the surface of the water storage inner container in the heating tank body. Water in the water heater is heated, the heated smoke is discharged through the smoke outlet pipeline, and the smoke outlet valve on the smoke outlet pipeline can adjust discharging of the smoke.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery and utilization device for biogas power generation. Background Art

[0002] Biogas power generation uses the heat energy generated by biogas combustion to heat water, generate steam, and drive the generator set to generate electricity. The process is similar to the traditional thermal power generation process, but has significant environmental advantages. Biogas is a renewable energy source derived from the decomposition of organic matter and is clean, efficient, and renewable. Biogas power generation can not only directly reduce the consumption of fossil fuels and reduce greenhouse gas emissions, but also realize the recycling and greening of energy utilization, which helps promote the development of clean energy and conforms to the concept of sustainable development.

[0003] In the existing technology, traditional waste heat recovery and utilization technology usually uses equipment such as waste heat boilers to convert waste heat into steam or hot water, which is then used in production processes or heating and other fields. However, these devices are relatively large in size and have high investment costs, which may result in high operating costs during use. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a waste heat recovery and utilization device for biogas power generation.

[0005] The utility model is implemented by the following technical scheme: a waste heat recovery and utilization device for biogas power generation, comprising a heating tank body, the inner wall of the heating tank body is fixedly connected to a water storage tank, the surface of the heating tank body is fixedly connected to a support frame, one end of the heating tank body is connected to a smoke inlet pipe, the surface of the smoke inlet pipe is provided with a smoke inlet valve, the upper end of the smoke inlet pipe is threadedly connected to a mounting ring, the inner wall of the mounting ring is fixedly connected to a filter screen, one end of the heating tank body is connected to a water inlet pipe, one end of the heating tank body is connected to a smoke outlet pipe, and the surface of the smoke outlet pipe is provided with a smoke outlet valve.

[0006] As a further improvement of the above solution, the water inlet pipe is located below the smoke inlet pipe, and the mounting ring is located above the smoke inlet valve.

[0007] As a further improvement of the above solution, the smoke outlet pipe is located below the support frame.

[0008] Through the above technical solution, by setting up the smoke inlet pipe and the mounting ring, the two can be conveniently installed and disassembled through their threaded connection. The filter net inside the smoke outlet pipe can filter the particulate matter in the smoke to prevent it from entering the cavity between the heating tank body and the water storage tank, which is easy to use.

[0009] As a further improvement of the above solution, one end of the heating tank body is connected to a connecting pipe, one end of the connecting pipe is connected to a water pump, the output end of the water pump is connected to a transmission pipe, and one end of the heating tank body is fixedly connected to a support plate.

[0010] As a further improvement of the above solution, the bottom of the water pump is fixedly connected to the upper surface of the transmission pipeline.

[0011] Through the above technical solution, by setting up connecting pipes, water pumps and transmission pipes, the water inside the water storage tank that has been heated can be quickly transmitted to the inside of the water storage tank for storage.

[0012] As a further improvement of the above scheme, one end of the transmission pipeline is connected to a water storage tank, the bottom of the water storage tank is connected to a water outlet pipe, a water outlet valve is provided on the surface of the water outlet pipe, and a support leg is fixedly connected to the bottom of the water storage tank.

[0013] As a further improvement of the above solution, the number of the supporting legs is set to three, and the three supporting legs are distributed in a circular array around the water storage tank.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model provides a smoke inlet pipe, and the waste heat generated by biogas power generation enters the cavity between the heating tank body and the water storage tank through the smoke inlet pipe. The smoke inlet valve on the smoke inlet pipe can control the amount of waste heat smoke entering. The waste heat smoke exchanges heat with the surface of the water storage tank in the heating tank body to heat the water inside. The heated smoke is discharged through the smoke outlet pipe. The smoke outlet valve on the smoke outlet pipe can adjust the discharge of the smoke. The user can inject water to be heated into the water storage tank through the water inlet pipe. The waste heat generated in the process of biogas power generation can be efficiently recycled and utilized. The water body is heated by the waste heat, thereby realizing the secondary utilization of energy, improving the energy utilization efficiency, reducing the demand for traditional energy, and reducing energy consumption and operating costs.

[0016] The utility model provides a connecting pipe, and after the heating work is completed, the heated water is led out of the heating tank body through the connecting pipe, and then the water pump is started to pump out the heated water through the connecting pipe, and the transmission pipe transmits the hot water pumped out by the water pump to the water storage tank. The water storage tank is responsible for storing the heated hot water, and the heated hot water can be stored in the water storage tank for subsequent use. This provides convenience for users and improves the practicality of waste heat recovery. The water outlet pipe is used to lead hot water from the water storage tank, and the user can control the outflow of hot water through the water outlet valve. The device has the characteristics of simple structure, convenient operation, energy saving and environmental protection, and can effectively improve the efficiency of waste heat recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the water storage tank structure of the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of the water storage tank structure of the utility model;

[0020] Figure 4 This is an exploded schematic diagram of the installation ring structure of the utility model;

[0021] Figure 5 It is a schematic cross-sectional view of the heating tank structure of the utility model.

[0022] Description of main symbols:

[0023] 1. Heating tank body; 2. Water inlet pipe; 3. Smoke inlet pipe; 4. Support frame; 5. Water storage tank; 6. Smoke outlet pipe; 7. Smoke outlet valve; 8. Smoke inlet valve; 9. Connecting pipe; 10. Water pump; 11. Transmission pipe; 12. Water storage tank; 13. Water outlet pipe; 14. Support legs; 15. Water outlet valve; 16. Mounting ring; 17. Filter; 18. Support plate. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Example:

[0026] Please combine Figure 1-5The waste heat recovery and utilization device of biogas power generation in this embodiment comprises a heating tank body 1, the inner wall of the heating tank body 1 is fixedly connected with a water storage tank 5, the surface of the heating tank body 1 is fixedly connected with a support frame 4, one end of the heating tank body 1 is connected with a smoke inlet pipe 3, the surface of the smoke inlet pipe 3 is provided with a smoke inlet valve 8, the upper end of the smoke inlet pipe 3 is threadedly connected with a mounting ring 16, the inner wall of the mounting ring 16 is fixedly connected with a filter screen 17, one end of the heating tank body 1 is connected with a water inlet pipe 2, one end of the heating tank body 1 is connected with a smoke outlet pipe 6, the surface of the smoke outlet pipe 6 is provided with a smoke outlet valve 7, and the waste heat generated by biogas power generation enters the heating tank body 1 and the storage tank 5 through the smoke inlet pipe 3. Inside the cavity between the water inner tanks 5, the smoke inlet valve 8 on the smoke inlet pipe 3 can control the amount of waste heat smoke entering. The waste heat smoke exchanges heat with the surface of the water storage tank 5 in the heating tank body 1, heats the water inside, and the heated smoke is discharged through the smoke outlet pipe 6. The smoke outlet valve 7 on the smoke outlet pipe 6 can adjust the discharge of smoke. The user can inject water to be heated into the water storage tank 5 through the water inlet pipe 2, which can efficiently recycle the waste heat generated in the process of biogas power generation. The water body is heated by the waste heat, thereby realizing the secondary utilization of energy, improving energy utilization efficiency, reducing the demand for traditional energy, and reducing energy consumption and operating costs.

[0027] The water inlet pipe 2 is located below the smoke inlet pipe 3 , and the mounting ring 16 is located above the smoke inlet valve 8 .

[0028] The smoke outlet pipe 6 is located below the support frame 4 .

[0029] One end of the heating tank body 1 is connected to a connecting pipe 9 , one end of the connecting pipe 9 is connected to a water pump 10 , an output end of the water pump 10 is connected to a transmission pipe 11 , and one end of the heating tank body 1 is fixedly connected to a support plate 18 .

[0030] The bottom of the water pump 10 is fixedly connected to the upper surface of the transmission pipe 11. After the heating work is completed, the heated water is drawn out from the heating tank body 1 through the connecting pipe 9, and then the water pump 10 is started again to pump out the heated water through the connecting pipe 9. The transmission pipe 11 transfers the hot water pumped out by the water pump 10 to the water storage tank 12. The water storage tank 12 is responsible for storing the heated hot water. The heated hot water can be stored in the water storage tank 12 for subsequent use. This provides convenience for users and improves the practicability of waste heat recovery.

[0031] One end of the transmission pipe 11 is connected to a water storage tank 12, and the bottom of the water storage tank 12 is connected to a water outlet pipe 13. A water outlet valve 15 is provided on the surface of the water outlet pipe 13. A supporting leg 14 is fixedly connected to the bottom of the water storage tank 12. The water outlet pipe 13 is used to draw hot water from the water storage tank 12, and the user can control the outflow of hot water through the water outlet valve 15.

[0032] There are three supporting legs 14 , which are arranged in a circular array around the water storage tank 12 .

[0033] The implementation principle of a waste heat recovery and utilization device for biogas power generation in the embodiment of the present application is as follows: the waste heat generated by biogas power generation enters the cavity between the heating tank body 1 and the water storage tank 5 through the smoke inlet pipe 3, and the smoke inlet valve 8 on the smoke inlet pipe 3 can control the amount of waste heat smoke entering. The waste heat smoke exchanges heat with the surface of the water storage tank 5 in the heating tank body 1 to heat the water inside, and the heated smoke is discharged through the smoke outlet pipe 6. The smoke outlet valve 7 on the smoke outlet pipe 6 can adjust the discharge of smoke. The user can inject water to be heated into the water storage tank 5 through the water inlet pipe 2, which can efficiently recover and utilize the waste heat generated in the process of biogas power generation, and heat the water body through the waste heat, thereby realizing the secondary utilization of energy, improving the energy utilization efficiency, and reducing the use of The demand for traditional energy sources reduces energy consumption and operating costs. After the heating work is completed, the heated water is drawn out from the heating tank body 1 through the connecting pipe 9, and then the water pump 10 is started to pump out the heated water through the connecting pipe 9. The transmission pipe 11 transmits the hot water pumped out by the water pump 10 to the water storage tank 12. The water storage tank 12 is responsible for storing the heated hot water. The heated hot water can be stored in the water storage tank 12 for subsequent use. This provides convenience for users and improves the practicality of waste heat recovery. The water outlet pipe 13 is used to draw hot water from the water storage tank 12. The user can control the outflow of hot water through the water outlet valve 15. The device has the characteristics of simple structure, convenient operation, energy saving and environmental protection, and can effectively improve the efficiency of waste heat recovery.

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A waste heat recovery and utilization device for biogas power generation, characterized in that: The invention comprises a heating tank body (1), the inner wall of which is fixedly connected to a water storage tank (5), the surface of which is fixedly connected to a support frame (4), one end of the heating tank body (1) is connected to a smoke inlet pipe (3), the surface of which is provided with a smoke inlet valve (8), the upper end of the smoke inlet pipe (3) is threadedly connected to a mounting ring (16), the inner wall of which is fixedly connected to a filter screen (17), one end of the heating tank body (1) is connected to a water inlet pipe (2), one end of the heating tank body (1) is connected to a smoke outlet pipe (6), the surface of which is provided with a smoke outlet valve (7).

2. The waste heat recovery and utilization device for biogas power generation according to claim 1, characterized in that: The water inlet pipe (2) is located below the smoke inlet pipe (3), and the mounting ring (16) is located above the smoke inlet valve (8).

3. The waste heat recovery and utilization device for biogas power generation according to claim 1, characterized in that: The smoke outlet pipe (6) is located below the support frame (4).

4. The waste heat recovery and utilization device for biogas power generation according to claim 1, characterized in that: One end of the heating tank body (1) is connected to a connecting pipe (9), one end of the connecting pipe (9) is connected to a water pump (10), the output end of the water pump (10) is connected to a transmission pipe (11), and one end of the heating tank body (1) is fixedly connected to a support plate (18).

5. The waste heat recovery and utilization device for biogas power generation according to claim 4, characterized in that: The bottom of the water pump (10) is fixedly connected to the upper surface of the transmission pipeline (11).

6. The waste heat recovery and utilization device for biogas power generation according to claim 5, characterized in that: One end of the transmission pipeline (11) is connected to a water storage tank (12), the bottom of the water storage tank (12) is connected to a water outlet pipeline (13), a water outlet valve (15) is provided on the surface of the water outlet pipeline (13), and the bottom of the water storage tank (12) is fixedly connected to a support leg (14).

7. The waste heat recovery and utilization device for biogas power generation according to claim 6, characterized in that: The number of the supporting legs (14) is three, and the three supporting legs (14) are distributed in a circular array around the water storage tank (12).

Citation Information

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