Seawater desalination frame and soilless culture device

By combining seawater desalination racks and hydroponics devices, seawater is evaporated by sunlight to form freshwater, solving the problem of freshwater scarcity on islands and realizing low-cost seawater desalination and vegetable cultivation, which is suitable for small islands.

CN223547852UActive Publication Date: 2025-11-14DAS SOLAR CO LTD
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Patent Information

Application Number
CN202423067018.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-14
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The development of island tourism is hampered by the scarcity of freshwater resources and the high cost of constructing seawater desalination plants. Existing seawater desalination plants are too expensive for small islands to afford.

Method used

The design incorporates a seawater desalination rack that uses a transparent top plate to illuminate a water supply plate, causing seawater to evaporate and form fresh water. Combined with a hydroponics device, a water pump is used to supply seawater, enabling low-cost seawater desalination and vegetable cultivation.

Benefits of technology

A low-cost seawater desalination method is provided, which can be used on a large scale to meet the freshwater needs of islands and grow vegetables, while reducing construction and operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of seawater desalination, and discloses a seawater desalination frame and a soilless culture device, and the seawater desalination frame comprises a bottom plate, a middle plate, a water supply plate and a transparent top plate which are sequentially arranged at intervals from bottom to top; a fresh water tank is arranged on the upper surface of the bottom plate, a first side plate is connected between one side of the bottom plate and one side of the transparent top plate, and the first side plate and the middle plate are arranged at intervals; a wastewater tank is arranged on the upper surface of the middle plate, a second side plate is connected between one side of the middle plate and one side of the transparent top plate, and a backflow channel is arranged at the bottom of the wastewater tank; the water supply plate is obliquely installed on the upper surface of the middle plate, and a water supply channel is formed in the upper surface of the water supply plate. Sunlight can penetrate through the transparent top plate and irradiate the water supply plate, seawater flows through the upper surface of the water supply plate after being discharged from the water supply channel, the temperature of the seawater rises, the seawater evaporates to form water vapor, and part of the water vapor is in contact with the first side plate and then liquefied to form fresh water to flow into the fresh water tank; unevaporated seawater flows into the wastewater tank and flows back to the ocean from the backflow channel.
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Description

Technical Field

[0001] This utility model relates to the field of seawater desalination technology, and in particular to a seawater desalination rack and a hydroponic cultivation device. Background Technology

[0002] Island tourism is a vital force in the development of the tourism industry, and it is currently evolving towards a more leisure-oriented and diversified direction. For some islands lacking freshwater resources, the construction of desalination plants is necessary to meet their needs. A desalination plant mainly consists of a power system and a filtration system. The filtration system includes desalination and disinfection systems, while the power system primarily includes water pumps that pump seawater to the desalination and disinfection systems. However, the construction cost of desalination plants is prohibitively high, making it unaffordable for some small islands and significantly hindering the development of their tourism industries. Utility Model Content

[0003] The purpose of this invention is to provide a seawater desalination rack and a hydroponic cultivation device. Sunlight shines through the transparent top plate onto the water supply plate, causing the seawater on the water supply plate to evaporate and collect in the freshwater tank.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] Firstly, a seawater desalination rack is provided, comprising a bottom plate, a middle plate, a water supply plate, and a transparent top plate arranged sequentially from bottom to top.

[0006] The upper surface of the base plate is provided with a fresh water tank, and a first side plate is connected between one side of the base plate and one side of the transparent top plate. The first side plate is spaced apart from the middle plate.

[0007] The upper surface of the middle plate is provided with a wastewater tank, and a second side plate is connected between one side of the middle plate and one side of the transparent top plate. The bottom of the wastewater tank is provided with a return channel.

[0008] The water supply plate is installed at an angle on the upper surface of the middle plate, and the upper surface of the water supply plate is provided with a water supply channel.

[0009] As an optional technical solution, the transparent top plate is inclined, with the lowest side of the transparent top plate connected to the first side plate and the highest side of the transparent top plate connected to the second side plate.

[0010] As an optional technical solution, the middle plate is inclined, and the return channel is located on the lowest side of the middle plate.

[0011] As an optional technical solution, the lowest side of the water supply plate is close to the return channel, and the highest side of the water supply plate is far away from the return channel.

[0012] As an optional technical solution, the highest side of the water supply plate is close to the first side plate, and the lowest side of the water supply plate is far away from the first side plate.

[0013] As an optional technical solution, a water pipe is provided on the upper surface of the highest side of the water supply plate, and the water supply channel passes through the water pipe.

[0014] As an optional technical solution, a support column connects the base plate and the middle plate.

[0015] As an optional technical solution, at least two rows of water supply plates are provided between the middle plate and the transparent top plate, and the at least two rows of water supply plates are spaced apart along their own inclined direction.

[0016] Secondly, a hydroponic cultivation device is provided, including a water pump and a seawater desalination rack as described above, wherein the output end of the water pump is connected to the water supply channel of the water supply plate.

[0017] As an optional technical solution, the soilless cultivation device also includes a float, on which the water pump and the seawater desalination rack are both installed.

[0018] The beneficial effects of this utility model are:

[0019] The seawater desalination rack provided by this utility model includes a base plate, a middle plate, a water supply plate, and a transparent top plate arranged sequentially from bottom to top. The upper surface of the base plate is provided with a freshwater tank, and a first side plate is connected between one side of the base plate and one side of the transparent top plate. The first side plate is spaced apart from the middle plate. The upper surface of the middle plate is provided with a wastewater tank, and a second side plate is connected between one side of the middle plate and one side of the transparent top plate. The bottom of the wastewater tank is provided with a return channel. The water supply plate is installed at an angle on the upper surface of the middle plate, and a water supply channel is provided on the upper surface of the water supply plate.

[0020] Sunlight can pass through the transparent top panel and shine onto the water supply plate. Seawater, discharged from the water supply channel, flows over the upper surface of the water supply plate, raising its temperature and causing it to evaporate into water vapor. Some of this water vapor liquefies upon contact with the first side plate, forming fresh water that flows into the freshwater tank. Unevaporated seawater flows into the wastewater tank and returns to the ocean or other equipment through the return channel. This seawater desalination rack is inexpensive and can be used on a large scale.

[0021] The hydroponic cultivation device provided by this utility model includes a water pump and a seawater desalination rack as described above. The output end of the water pump is connected to the water supply channel of the water supply plate. The water pump delivers seawater to the water supply channel to provide seawater for the seawater desalination rack; vegetable crops can be grown in the freshwater tank, which is particularly suitable for environments with relatively poor soil, such as islands. Attached Figure Description

[0022] Figure 1This is a schematic diagram of the structure of the seawater desalination frame of this utility model;

[0023] Figure 2 yes Figure 1 A magnified view of a portion of position A in the middle.

[0024] In the picture:

[0025] 1. Base plate; 11. Freshwater tank; 2. Middle plate; 21. Wastewater tank; 22. Return channel; 3. Water supply plate; 31. Water supply channel; 32. Water pipe; 4. Transparent top plate; 5. First side plate; 6. Second side plate; 7. Support column. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0027] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0030] like Figure 1 and Figure 2 As shown, this embodiment provides a seawater desalination rack, which includes a base plate 1, a middle plate 2, a water supply plate 3, and a transparent top plate 4 arranged sequentially from bottom to top. The upper surface of the base plate 1 is provided with a freshwater tank 11, and a first side plate 5 is connected between one side of the base plate 1 and one side of the transparent top plate 4. The first side plate 5 is spaced apart from the middle plate 2. The upper surface of the middle plate 2 is provided with a wastewater tank 21, and a second side plate 6 is connected between one side of the middle plate 2 and one side of the transparent top plate 4. The bottom of the wastewater tank 21 is provided with a return channel 22. The water supply plate 3 is installed obliquely on the upper surface of the middle plate 2, and a water supply channel 31 is provided on the upper surface of the water supply plate 3.

[0031] Sunlight can pass through the transparent top plate 4 and shine onto the water supply plate 3. After seawater is discharged from the water supply channel 31, it flows over the upper surface of the water supply plate 3, raising the seawater temperature and causing it to evaporate into water vapor. Some of the water vapor liquefies upon contact with the first side plate 5, forming fresh water that flows into the freshwater tank 11. The unevaporated seawater flows into the wastewater tank 21 and is returned to the ocean or other equipment through the return channel 22. The seawater desalination rack in this embodiment is inexpensive and can be used on a large scale.

[0032] Optionally, both ends of the seawater desalination rack can be detachably fitted with partitions to block the ends of the seawater desalination rack and prevent water vapor from escaping from the ends.

[0033] Optionally, the transparent top panel 4 can be made of acrylic or glass.

[0034] Optionally, the transparent top plate 4 is inclined, with the lowest side of the transparent top plate 4 connected to the first side plate 5 and the highest side of the transparent top plate 4 connected to the second side plate 6.

[0035] Some of the water vapor rises and liquefies upon contact with the transparent top plate 4. The liquefied water then flows along the inclined direction of the transparent top plate 4 toward the first side plate 5, and finally flows into the freshwater tank 11 along the surface of the first side plate 5, thereby improving the freshwater collection efficiency.

[0036] Optionally, the middle plate 2 is inclined, and the return channel 22 is located on the lowest side of the middle plate 2. Unevaporated seawater falls onto the upper surface of the middle plate 2 after detaching from the water supply plate 3, and then flows into the return channel 22 along the inclined direction of the middle plate 2.

[0037] Optionally, the lowest side of the water supply plate 3 is close to the return channel 22, and the highest side of the water supply plate 3 is far from the return channel 22. Unevaporated seawater falls directly into the return channel 22 from the lowest side of the water supply plate 3.

[0038] Optionally, the highest side of the water supply plate 3 is close to the first side plate 5, and the lowest side of the water supply plate 3 is far from the first side plate 5. The water supply plate 3 and the middle plate 2 are inclined to the same side, which can make full use of the space between the bottom plate 1 and the transparent top plate 4.

[0039] Optionally, a water pipe 32 is provided on the upper surface of the highest side of the water supply plate 3, and a water supply channel 31 passes through the water pipe 32. After the water flows out from the opening of the water pipe 32, it can overflow the entire upper surface of the water supply plate 3, extending the flow path of the water and improving the evaporation efficiency.

[0040] Optionally, a support column 7 is connected between the base plate 1 and the middle plate 2 to improve the support stability of the middle plate 2.

[0041] Optionally, at least two rows of water supply plates 3 are provided between the middle plate 2 and the transparent top plate 4, and the at least two rows of water supply plates 3 are spaced apart along their own inclined direction.

[0042] Some small islands have poor soil, making it impossible to grow vegetables and meet tourists' demand for them. To address this issue, this embodiment also provides a hydroponics device, including a water pump and a seawater desalination rack as described above. The output end of the water pump is connected to the water supply channel 31 of the water supply plate 3. Vegetables can be grown in the freshwater tank 11, and the seawater desalination rack automatically provides freshwater for vegetable cultivation. This method is low-cost and can be used on a large scale.

[0043] Optionally, the hydroponic system also includes a floating body, on which the water pump and desalination rack are mounted. The floating body can float near the coastline without occupying land area on the island.

[0044] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A seawater desalination rack, characterized in that, It includes a bottom plate (1), a middle plate (2), a water supply plate (3), and a transparent top plate (4) arranged sequentially from bottom to top; The upper surface of the base plate (1) is provided with a fresh water tank (11), and a first side plate (5) is connected between one side of the base plate (1) and one side of the transparent top plate (4). The first side plate (5) is spaced apart from the middle plate (2). The upper surface of the middle plate (2) is provided with a wastewater tank (21), and a second side plate (6) is connected between one side of the middle plate (2) and one side of the transparent top plate (4). The bottom of the wastewater tank (21) is provided with a return channel (22). The water supply plate (3) is installed at an angle on the upper surface of the middle plate (2), and the upper surface of the water supply plate (3) is provided with a water supply channel (31).

2. The seawater desalination rack according to claim 1, characterized in that, The transparent top plate (4) is inclined, with the lowest side of the transparent top plate (4) connected to the first side plate (5) and the highest side of the transparent top plate (4) connected to the second side plate (6).

3. The seawater desalination rack according to claim 1, characterized in that, The middle plate (2) is inclined, and the return channel (22) is located on the lowest side of the middle plate (2).

4. The seawater desalination rack according to claim 3, characterized in that, The lowest side of the water supply plate (3) is close to the return channel (22), and the highest side of the water supply plate (3) is far away from the return channel (22).

5. The seawater desalination rack according to claim 1, characterized in that, The highest side of the water supply plate (3) is close to the first side plate (5), and the lowest side of the water supply plate (3) is far away from the first side plate (5).

6. The seawater desalination rack according to claim 1, characterized in that, A water pipe (32) is provided on the upper surface of the highest side of the water supply plate (3), and the water supply channel (31) passes through the water pipe (32).

7. The seawater desalination rack according to claim 1, characterized in that, A support column (7) connects the bottom plate (1) and the middle plate (2).

8. The seawater desalination rack according to claim 1, characterized in that, At least two rows of water supply plates (3) are provided between the middle plate (2) and the transparent top plate (4), and the at least two rows of water supply plates (3) are spaced apart along their own inclined direction.

9. A soilless cultivation device, characterized in that, Includes a water pump and a seawater desalination rack as described in any one of claims 1-8, wherein the output end of the water pump is connected to the water supply channel (31) of the water supply plate (3).

10. The soilless cultivation device according to claim 9, characterized in that, The soilless cultivation device also includes a float, on which the water pump and the seawater desalination rack are both installed.