Semi-buried phase change heat storage wall
By using semi-buried phase change thermal storage walls, the problem of low heating efficiency in greenhouses in cold northern regions during winter is solved by utilizing solar energy and soil temperature, achieving stable temperature and green energy conversion.
Patent Information
- Application Number
- CN202423056887.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing greenhouse heating systems are inefficient in providing heating during winter in cold northern regions, making it difficult to meet the needs of plant growth. Furthermore, they rely on fossil fuels, resulting in high energy consumption.
A semi-buried phase change thermal storage wall is adopted, which utilizes solar energy and soil temperature to store and release heat through phase change materials, forming a closed loop to stabilize the temperature inside the greenhouse.
It achieves stable temperature inside the greenhouse at night and in poor lighting conditions, reduces dependence on fossil fuels, improves heat storage efficiency, and conforms to the concept of green energy.
Smart Images
Figure CN223562375U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wall body heat preservation technical field especially relates to a half ground -buried phase change heat storage wall. BACKGROUND
[0002] Wall body heat preservation refers to taking certain technical measures on the wall of the building to reduce the heat transfer of the wall, improve the heat preservation performance of the building, thereby reducing the energy consumption of the building, maintaining the stability and comfort of indoor temperature, in winter, the energy supply of the heat storage wall in the greenhouse is unstable or the cost is higher. Half ground -buried phase change heat storage wall can utilize local natural conditions, such as soil temperature and solar energy, to provide energy for the building and reduce the dependence on external energy.
[0003] In winter, the heat storage wall can absorb solar radiation energy and indoor residual heat and store them. When the outdoor temperature drops, the heat storage wall gradually releases the stored heat, maintains the indoor temperature at a relatively stable level, reduces the dependence on traditional heating devices and reduces energy consumption.
[0004] The existing greenhouse heating device mostly uses the combustion of fossil energy as the main heat source, in this case, although the heat supply is stable, it does not meet the current concept of building new energy "green" greenhouse, in the cold winter in the north, if it encounters long time low temperature weather, in the night or poor light condition, it is difficult to ensure that the indoor temperature can reach the optimum temperature for plant growth, it is necessary to add energy storage device, in the greenhouse in the north, the heating mode is generally used to guarantee the indoor temperature in winter, but it is difficult to meet the optimum growth conditions of plant root system in soil, in the greenhouse environment, due to the large temperature difference between indoor and outdoor, the heat loss is also the main reason for the low efficiency of the device in the greenhouse, therefore, in view of the above problems, a half ground -buried phase change heat storage wall is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in the prior art and provides a half ground -buried phase change heat storage wall, which aims at improving the low heat efficiency of the existing heat storage wall.
[0006] To achieve the above object, the utility model provides the following technical scheme.
[0007] A semi-buried phase change heat storage wall, including ground, the top of the ground is fixedly connected with shed body, the rear side inner wall of the shed body is fixedly connected with phase change heat storage wall, the inside of the phase change heat storage wall is fixedly connected with wall body pipeline, the outside of the wall body pipeline is fixedly connected with phase change heat storage tank, one side of the phase change heat storage tank is fixedly connected with water pump, the input end of the water pump is fixedly connected with connecting pipe, the other side of the wall body pipeline is fixedly connected with water storage tank, the top of the ground is fixedly connected with a plurality of flat plate type heat collectors;
[0008] As a further description of the above technical solutions:
[0009] The bottom of the water storage tank is fixedly connected to one side of the top of the ground, and the bottom of the water pump is fixedly connected to the other side of the top of the ground.
[0010] As a further description of the above technical solutions:
[0011] The bottom of the phase change heat storage wall is fixedly connected to the rear side of the top of the ground, and the outside of the connecting pipe is fixedly connected to the rear side of the flat plate type heat collector.
[0012] As a further description of the above technical solutions:
[0013] The outside of the wall body pipeline is fixedly connected to the inside of the ground, and the outside of the connecting pipe is fixedly connected to the inside of the ground.
[0014] The utility model has the advantages of:
[0015] In the utility model, heat is stored through the buried part of the phase change heat storage wall, the excessively low temperature at night caused by the fluctuation of solar energy is solved, short-term storage of heat in the heat storage tank and soil is realized, the problem of heat storage of the greenhouse in the cold northern region at night in winter is solved, the traditional fossil energy is replaced by the light-heat conversion of solar energy, and the transformation to green energy is completed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A perspective view of a semi-buried phase change heat storage wall is provided for the utility model;
[0017] Figure 2 A wall body pipeline structure schematic view of a semi-buried phase change heat storage wall is provided for the utility model;
[0018] Figure 3 For Figure 2 The enlarged view of A in the figure.
[0019] LEGEND:
[0020] 1, ground; 2, shed body; 3, phase change heat storage wall; 4, wall pipe; 5, phase change heat storage tank; 6, water pump; 7, connecting pipe; 8, water storage tank; 9, flat plate collector. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Reference Figures 1 to 3 An embodiment provided by the present application: a semi-buried phase change heat storage wall, comprising a ground 1, a shed body 2 is fixedly connected to the top of the ground 1, the main function of the shed body 2 is to form a closed greenhouse space for protecting the inside plants or space from the influence of external climate change. The rear inner wall of the shed body 2 is fixedly connected to a phase change heat storage wall 3, the phase change heat storage wall 3 plays a key heat storage role in the whole device, the inner pipeline of the phase change heat storage wall 3 stores and releases heat through heat transfer when working, thereby stabilizing the temperature inside the shed body 2. The phase change heat storage wall 3 is fixedly connected with a wall pipe 4 inside, the wall pipe 4 is an important channel for heat transfer, the wall pipe 4 transports hot water through the pipeline, so that the device can continuously store and release heat. The phase change heat storage tank 5 is fixedly connected to the outside of the wall pipe 4, for storing the heat generated in the phase change process, the water pump 6 is fixedly connected to one side of the phase change heat storage tank 5, the phase change heat storage tank 5 contains a phase change material (PCM, Phase Change Material), which absorbs or releases a large amount of heat in the phase change process, the water pump 6 plays a key role in controlling circulation in the device. The input end of the water pump 6 is fixedly connected with a connecting pipe 7, the connecting pipe 7 connects each part to form a circulation loop, the water pump 6 circulates the water flow in the device, thereby realizing heat transfer and storage, the connecting pipe 7 introduces water from the water pump 6 to the wall pipe, and drives the hot water to flow. The pipeline is also connected with a flat plate collector 9, to complete the transmission of solar hot water, the other side of the wall pipe 4 is fixedly connected with a water storage tank 8, the water storage tank 8 stores cooling water and interacts with other components through the circulation device by the water pump 6, for storing water. The top of the ground 1 is also fixedly connected with a plurality of flat plate collectors 9, the flat plate collector 9 is an important device for collecting solar energy.
[0023] The bottom of the water storage tank 8 is fixedly connected to one side of the top of the ground 1 to provide water for the device. The bottom of the water pump 6 is fixedly connected to the other side of the top of the ground 1 to provide power for the circulation of the device. The bottom of the phase change heat storage wall 3 is fixedly connected to the rear side of the top of the ground 1 to stably function in the device. The outside of the connecting pipe 7 is fixedly connected to the rear side of the flat plate collector 9, so that the flat plate collector 9 can be connected to other parts of the device. The outside of the wall pipe 4 is fixedly connected to the inside of the ground 1 to ensure the stability of the pipe. The outside of the connecting pipe 7 is also fixedly connected to the inside of the ground 1 to ensure the firm connection of the entire device.
[0024] Firstly, the flat plate collector 9 is connected to the water storage tank 8. During the day, the flat plate collector 9 collects solar energy and stores it in water. Then, the circulation is controlled by the water pump 6, which supplies water to the pipes in the phase change heat storage wall 3 for circulating flow. Among them, the pipes of the buried part of the wall pipe 4 are the parts that undergo phase change. The above-ground part of the pipe is connected to the inner tube, and the PCM material is arranged in the cavity of the outer tube. When the hot water flows in the inner tube, the heat is stored by the phase change material, and the purpose of storing part of the heat in the soil is achieved, thereby increasing the temperature in the shed. Finally, under the action of gravity, the water flows back to the water storage tank 8. Through the action of the water pump 6, a closed cycle is formed, ensuring the continuous circulation of the working medium in the pipe and the continuous transfer of heat. At night, the flat plate collector 9 stops working, and at this time the water in the water storage tank 8 is circulated by the water pump 6 to drive the temperature in the greenhouse, ensuring that the temperature in the greenhouse can be maintained within a certain range at night.
[0025] Working principle: The flat plate collector 9 is connected to the water storage tank 8, the circulation is controlled by the water pump 6, the solar energy is stored in water during the day, then the water is supplied to the pipes in the phase change heat storage wall 3 by the water pump 6 for circulating flow, which increases the temperature in the shed, and the buried part of the pipe is the part that undergoes phase change. The above-ground part of the pipe is connected to the inner tube, and the PCM material is arranged in the cavity of the outer tube. After the hot water flows in the inner tube, the heat is stored by the phase change material, and the purpose of storing part of the heat in the soil is achieved. Finally, under the action of gravity, the water flows back to the water storage tank 8. Through the action of the water pump 6, a closed cycle is formed, ensuring the continuous circulation of the working medium in the pipe and the continuous transfer of heat. At night, the collector stops working, and the water in the water storage tank 8 is circulated by the water pump 6 to drive the temperature in the greenhouse.
[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A semi-buried phase change thermal storage wall comprising a ground surface (1), characterized in that: The top of the ground (1) is fixedly connected with a shed body (2), the rear inner wall of the shed body (2) is fixedly connected with a phase change heat storage wall (3), the inside of the phase change heat storage wall (3) is fixedly connected with a wall body pipeline (4), the outside of the wall body pipeline (4) is fixedly connected with a phase change heat storage tank (5), one side of the phase change heat storage tank (5) is fixedly connected with a water pump (6), the input end of the water pump (6) is fixedly connected with a connecting pipe (7), the other side of the wall body pipeline (4) is fixedly connected with a water storage tank (8), and the top of the ground (1) is fixedly connected with a plurality of flat plate heat collectors (9).
2. The semi-buried phase change heat storage wall according to claim 1, characterized in that: The bottom of the water storage tank (8) is fixedly connected to one side of the top of the ground (1), and the bottom of the water pump (6) is fixedly connected to the other side of the top of the ground (1).
3. The semi-buried phase change heat storage wall according to claim 1, characterized in that: The bottom of the phase change heat storage wall (3) is fixedly connected to the rear side of the top of the ground (1), and the outside of the connecting pipe (7) is fixedly connected to the rear side of the flat plate heat collector (9).
4. The semi-buried phase change thermal storage wall according to claim 1, characterized in that: The outside of the wall body pipeline (4) is fixedly connected to the inside of the ground (1), and the outside of the connecting pipe (7) is fixedly connected to the inside of the ground (1).