Solar-driven seawater desalination device
By using a solar-powered seawater desalination device, which utilizes photovoltaic panels and a sponge filling layer to achieve seawater evaporation and condensation, the problem of high energy consumption in existing devices is solved, and a low-cost and efficient seawater desalination effect is achieved.
Patent Information
- Application Number
- CN202520024361.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing seawater desalination equipment requires additional energy consumption during the desalination process, resulting in high costs.
Design a solar-driven seawater desalination device that uses a 360° light-collecting dome to introduce light, and converts solar energy into electricity and heat through photovoltaic panels. The electricity is stored in a battery, and the heat is used to heat the sponge filling material to evaporate and condense seawater into fresh water. The concentrated seawater is discharged. The structure is simple and does not require external energy input.
It achieves low-cost and high-efficiency seawater desalination, saves operating costs, and can generate its own power, making it suitable for widespread application.
Smart Images
Figure CN223752477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of seawater desalination, especially a solar energy driven seawater desalination device. BACKGROUND
[0002] Fresh water resource is one of the indispensable resources for human survival and activities, and the fresh water resource reserves on the earth only account for 2.53% of the total water reserves in the world. And 68.7% of them are difficult to exploit, so the fresh water resource is extremely precious.
[0003] In order to obtain fresh water, some devices capable of desalinating seawater appear on the market. Although these devices can obtain a certain amount of fresh water, they need to consume additional energy (electricity) in the desalination process, which also causes the problem of relatively high cost of seawater desalination.
[0004] Therefore, a method or device is needed to solve the above problems. SUMMARY
[0005] The utility model discloses to solve the above-mentioned insufficient of prior art, propose a kind of simple structure, ingenious design, layout is reasonable, can realize the efficient, low-cost desalination of seawater, and the seawater desalination device that can work without external energy input.
[0006] The technical solution of the utility model is: a solar energy driven seawater desalination device, characterized by: the device includes float box 1, the central part of float box 1 is provided with cylinder 2, the top opening of cylinder 2 is provided with light cover 3, light cover 3 is provided with circular arc light groove 4 below, circular arc light groove 4 is provided with circular table structure below, the surface of circular table structure is covered with photovoltaic panel 5, the bottom layer of circular table structure is stainless steel support net 7, half-permeable membrane 8 is also provided on stainless steel support net 7, filling layer 9 is arranged in the cavity between half-permeable membrane 8 and photovoltaic panel 5, and the filling of filling layer 9 is sponge,
[0007] The center of the buoy 1 is provided with a seawater pipeline 10 penetrating in the barrel 2, the bottom opening of the seawater pipeline 10 is provided with a support net rack 11, the seawater pump 12 is arranged above the support net rack 11, the outlet end of the seawater pump 12 is connected with the bottom end of the original seawater pipeline 13, the original seawater pipeline 13 is located in the seawater pipeline 10, a conical condensing shell 14 is arranged at the upper portion of the seawater pipeline 10, the original seawater pipeline 13 is respectively provided with a first opening 15 and a second opening 16, the first opening 15 is located at the top of the circular table structure and is connected with the cavity of the filler layer 9, the second opening 16 is located at the bottom of the condensing shell 14 and is connected with the cavity of the condensing shell 14, the top of the inner wall of the condensing shell 14 is further connected with the seawater pipeline 10 through a pipeline, and the sidewall of the condensing shell 14 and the stainless steel support net 7 form an air gap 17,
[0008] The top of the condensing shell 14 is provided with an overflow port 6, the overflow port 6 is connected with the seawater pipeline 10,
[0009] The bottom of the barrel 2 is a fresh water bin 18, the fresh water bin 18 is located below the condensing shell 14,
[0010] An annular drainage channel 19 is further arranged in the buoy 1, the top end of the annular drainage channel 19 is connected with the bottom opening of the circular table structure, and the bottom end is a drainage port,
[0011] A storage battery 20 is further arranged in the buoy 1, the photovoltaic panel 5 and the seawater pump 12 are uniformly controlled through a control module, the storage battery 20 can provide the seawater pump 12 with the required electric energy during work, and the control module is arranged in the buoy 1.
[0012] The light cover 3 is a 360° light cover.
[0013] The fresh water bin 18 is provided with a water level sensor 21 and a temperature sensor 22, and the water level sensor 21 and the temperature sensor 22 are electrically connected with the control module.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The solar energy driven seawater desalination device has the advantages of simple structure, ingenious design, reasonable layout, high energy consumption and high cost of traditional seawater desalination devices, and special structure.
[0016] Meanwhile, the seawater desalination device has simple manufacturing process and low manufacturing cost, and has multiple advantages, and is particularly suitable for promotion and application in the field, and has very wide market prospect. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of an embodiment of the utility model. DETAILED DESCRIPTION
[0018] The specific implementation of the utility model will be described below with reference to the drawings. Figure 1 As shown in the figure: a kind of solar energy driven seawater desalination device, it includes a as foundation's buoy tank 1, is provided with cylinder 2 in the central part of buoy tank 1, the top of cylinder 2 is provided with light cover 3 at opening, light cover 3 below is provided with arc-shaped light groove 4, the lower portion of light groove 4 is provided with circular table structure, the surface of circular table structure is covered with photovoltaic board 5, the bottom layer of circular table structure is stainless steel support net 7, still be provided with semipermeable membrane 8 on stainless steel support net 7, the cavity between semipermeable membrane 8 and photovoltaic board 5 is provided with filler layer 9, the filler in filler layer 9 is sponge,
[0019] The center of the buoy 1 is provided with a seawater pipeline 10 penetrating in the barrel 2, the bottom opening of the seawater pipeline 10 is provided with a support net rack 11, the seawater pump 12 is arranged above the support net rack 11, the outlet end of the seawater pump 12 is connected with the bottom end of the original seawater pipe 13, the original seawater pipe 13 is located in the seawater pipeline 10, a conical condensing shell 14 is arranged at the upper portion of the seawater pipeline 10, the original seawater pipe 13 is respectively provided with a first opening 15 communicated with the cavity of the filler layer 9 and a second opening 16 communicated with the cavity of the condensing shell 14, the first opening 15 is located at the top of the circular table structure, the second opening 16 is located at the bottom of the condensing shell 14, and the top of the inner wall of the condensing shell 14 is also connected with the seawater pipeline 10 through a pipeline, and the side wall of the condensing shell 14 and the stainless steel support net 7 form an air gap 17,
[0020] The top of the condensing shell 14 is provided with an overflow port 6 communicated with the seawater pipeline 10,
[0021] The bottom of the barrel 2 is a fresh water bin 18, and the fresh water bin 18 is located below the condensing shell 14,
[0022] An annular drainage channel 19 is further arranged in the buoy 1, the top end of the annular drainage channel 19 is communicated with the bottom opening of the circular table structure, and the bottom end is a drainage port,
[0023] A storage battery 20 is further arranged in the buoy 1, the photovoltaic panel 5 and the seawater pump 12 are controlled by a control module, the storage battery 20 can provide the seawater pump 12 with the required electric energy during work, and the control module is arranged in the buoy 1.
[0024] The light cover 3 is a 360° light cover.
[0025] The fresh water bin 18 is provided with a water level sensor 21 and a temperature sensor 22, and the water level sensor 21 and the temperature sensor 22 are electrically connected with the control module.
[0026] The working process of the solar-driven seawater desalination device is as follows: the device is placed in a designated sea area, under the action of the buoy 1, the device floats on the sea surface, and in the case that there is sunlight, sunlight is refracted into the barrel 2 through the light cover 3, and the design can effectively improve the utilization rate of sunlight.
[0027] The light rays entering the cylinder 2 are dispersed, and if they directly irradiate on the photovoltaic panel 5, the photoelectric conversion rate is relatively low, so these dispersed optical fibers need to be arranged by the light collecting groove 4 to form a neat light beam, and irradiate on the photovoltaic panel 5 at an approximately vertical angle, so as to improve the working efficiency of the photovoltaic panel 5; the photovoltaic panel 5 converts light energy into electrical energy, and after the current passes through the voltage stabilizing and rectifying processing circuit in the control module, it is arranged into direct current and input into the storage battery 20 for storage,
[0028] The photovoltaic panel 5 will also generate heat during power generation, and this part of heat will be transferred to the sponge filled in the filler layer 9,
[0029] The original seawater is pumped to a high place by the seawater pump 12 through the original seawater pipe 13, a part of the original seawater enters the top of the filler layer 9 through the first opening 15, and flows downward in the sponge under the action of gravity, and the other part of the original seawater enters the condensing shell 14 through the second opening 16, so that the surface of the condensing shell 14 always maintains a relatively low temperature, and the water in the condensing shell 14 enters the seawater pipeline 10 through the overflow port 6 at the top, and returns to the ocean through the seawater pipeline 10;
[0030] The original seawater flows through the sponge, forms water vapor under the action of high temperature, and enters the air gap 17 through the semi-permeable membrane 8, and contacts the surface of the condensing shell 14 which is relatively low in temperature, and forms liquid condensate after condensation, and finally collects in the lower fresh water bin 18; Because the liquid concentrated seawater cannot pass through the semi-permeable membrane 8, they will flow downward along the inclined filler layer 9 to the annular drainage channel 19, and return to the ocean from the drainage port at the bottom end thereof;
[0031] As the water level in the fresh water bin 18 rises, when the water level sensor 21 is triggered, it means that the fresh water in the fresh water bin 18 has reached the standard water level, and the control module will control the seawater pump 12 to stop working after receiving the signal; and the temperature sensor 22 always monitors the water temperature of the fresh water in the fresh water bin 18.
[0032] After working for a period of time, the staff will recycle the device, transfer the fresh water in the fresh water bin 18 to the fresh water container after opening the floating box, and then put the device back into the designated sea area;
[0033] If the storage battery 20 is fully charged, it can also be taken out of the device and replaced with a storage battery 20 that is not full.
Claims
1. A solar-powered seawater desalination device, characterized in that: The device includes a float (1), a cylindrical body (2) is arranged in the center of the float (1), a light-collecting cover (3) is arranged at the top opening of the cylindrical body (2), an arc-shaped light-collecting groove (4) is arranged below the light-collecting cover (3), a frustum structure is arranged below the light-collecting groove (4), the surface of the frustum structure is covered with a photovoltaic panel (5), the bottom layer of the frustum structure is a stainless steel support mesh (7), a semi-permeable membrane (8) is also arranged on the stainless steel support mesh (7), a filling layer (9) is arranged in the cavity between the semi-permeable membrane (8) and the photovoltaic panel (5), and the filling material in the filling layer (9) is a sponge. A seawater pipe (10) is provided at the center of the pontoon (1) and passes through the cylinder (2). A support frame (11) is provided at the bottom opening of the seawater pipe (10). A seawater pump (12) is provided above the support frame (11). The outlet end of the seawater pump (12) is connected to the bottom end of the original seawater pipe (13). The original seawater pipe (13) is located inside the seawater pipe (10). A conical condenser shell (14) is provided at the top of the seawater pipe (10). 3) A first opening (15) communicating with the chamber where the filling layer (9) is located and a second opening (16) communicating with the inner cavity of the condenser shell (14) are respectively provided. The first opening (15) is located at the top of the frustum structure, and the second opening (16) is located at the bottom of the condenser shell (14). At the same time, the top of the inner wall of the condenser shell (14) is also connected to the seawater pipeline (10) through a pipeline. An air gap (17) is formed between the side wall of the condenser shell (14) and the stainless steel support mesh (7). The top of the condenser shell (14) is provided with an overflow port (6), which is connected to the seawater pipe (10). The bottom of the cylinder (2) is a freshwater tank (18), which is located below the condenser shell (14). An annular drainage channel (19) is also provided inside the pontoon (1). The top end of the annular drainage channel (19) is connected to the bottom opening of the frustum structure, and its bottom end is the drain outlet. A storage battery (20) is also installed inside the floating box (1). The photovoltaic panel (5) and the seawater pump (12) are controlled by the control module. The storage battery (20) can provide the electrical energy required for the seawater pump (12) to work. The control module is installed inside the floating box (1).
2. The solar-powered seawater desalination device according to claim 1, characterized in that: The light-collecting cover (3) is a 360° light-collecting cover.
3. The solar-powered seawater desalination device according to claim 1, characterized in that: The freshwater tank (18) is equipped with a water level sensor (21) and a temperature sensor (22), and both the water level sensor (21) and the temperature sensor (22) are electrically connected to the control module.