Solar interface evaporation device

Abstract

The utility model relates to the technical field of solar evaporation, in particular to a solar interface evaporation device which comprises a liquid storage device, the liquid storage device comprises a liquid storage tank and a valve, the liquid storage tank is used for storing liquid containing water, and the valve is arranged on one side of the bottom of the liquid storage tank; the rotary driving mechanism comprises a rotary driving assembly, a first roller and a second roller, the rotary driving assembly is connected with the first roller or the second roller to drive the first roller or the second roller to rotate, the first roller is located in the liquid storage tank and is lower than the liquid level of the liquid, and the second roller is located in the liquid storage tank and is lower than the liquid level of the liquid. The second roller is located outside the liquid storage tank, or the second roller is located in the liquid storage tank and is higher than the liquid level; and the solar interface evaporator is a flexible thin film, the flexible thin film is connected end to end to form a ring, and the flexible thin film is at least tensioned between the first roller and the second roller.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of solar evaporation, in particular to a solar interfacial evaporation device. BACKGROUND

[0002] Solar energy is a sustainable and environmentally friendly energy source that has attracted much attention. It has been applied in water treatment processes such as water purification, seawater desalination, etc.

[0003] In recent years, solar interfacial evaporators have been widely studied. They mainly include a light-heat conversion layer and a carrier layer. The light-heat conversion layer is stacked on the carrier layer. The carrier layer can float on the water surface and transport water to the interface between the light-heat conversion layer and the carrier layer. The light-heat conversion layer converts solar energy into heat energy and heats the water on the interface to evaporate.

[0004] In related technologies, the solar interfacial evaporator has the following problems: (1) After the water evaporates on the interface, the salt will accumulate on the interface and form a crystalline layer, thereby reducing the evaporation rate; (2) The transport between the water and the interface is blocked. UTILITY MODEL CONTENT

[0005] The purpose of the present disclosure is to provide a solar interfacial evaporation device that can reduce the formation of a crystalline layer and improve the transport capacity between water and the interface.

[0006] To achieve the above purpose, the present disclosure provides a solar interfacial evaporation device, comprising:

[0007] a liquid reservoir, the liquid reservoir comprising a liquid storage tank and a valve, the liquid storage tank being used to store a liquid containing water, and the valve being arranged on one side of the bottom of the liquid storage tank;

[0008] a rotary drive mechanism, the rotary drive mechanism comprising a rotary drive assembly, a first roller and a second roller, the rotary drive assembly being connected with the first roller or the second roller to drive the first roller or the second roller to rotate, the first roller being located in the liquid storage tank and being lower than the liquid level of the liquid, and the second roller being located outside the liquid storage tank or being located in the liquid storage tank and being higher than the liquid level; and

[0009] a solar interfacial evaporator, the solar interfacial evaporator being a flexible film, the flexible film being connected end to end to form a ring shape, and the flexible film being at least tensioned between the first roller and the second roller.

[0010] Compared with the prior art, the present disclosure has at least the following beneficial effects:

[0011] The rotation driving assembly can drive the solar interface evaporator to rotate between the first roller and the second roller, so that the part of the solar interface evaporator close to the first roller is in contact with the liquid and moves relatively with the liquid, thus, on the one hand, the salt on the interface is washed away, reducing the formation of the crystalline layer; on the other hand, water is provided to the interface. In addition, the part of the solar interface evaporator close to the second roller is not in contact with the liquid, and thus the water on the interface can be evaporated under the driving of the solar energy.

[0012] In summary, according to the solar interface evaporation device of the present disclosure, the formation of the crystalline layer is reduced, and the transmission capacity between the water and the interface is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A schematic diagram of a solar interface evaporation device according to an embodiment of the present disclosure is shown.

[0014] Figure 2 A schematic diagram of a solar interface evaporation device according to an embodiment of the present disclosure is shown, in which the solar interface evaporator is removed.

[0015] Figure 3 A schematic diagram of a solar interface evaporation device according to an embodiment of the present disclosure is shown. Figure 2 A partial enlarged view of A in FIG. 4 is shown.

[0016] Figure 4 A schematic diagram of a third roller, a horizontal guide rail assembly and a second locking assembly according to an embodiment of the present disclosure is shown.

[0017] REFERENCE SIGNS:

[0018] 10, liquid reservoir; 11, liquid storage tank; 12, opening; 13, valve;

[0019] 20, rotation driving mechanism; 21, rotation driving assembly; 211, motor; 212, driving wheel; 213, driven wheel; 214, belt; 22, first roller; 23, second roller; 231, first support seat; 24, third roller; 241, second support seat;

[0020] 30, solar interface evaporator; 31, inclined surface;

[0021] 40, vertical guide rail assembly; 41, vertical guide rail; 42, vertical sliding block;

[0022] 50, first locking assembly; 51, first mounting seat; 511, first clamping jaw; 512, second clamping jaw; 52, first fastener;

[0023] 60, horizontal guide rail assembly; 61, horizontal guide rail; 62, horizontal sliding block;

[0024] 70. second locking assembly; 71. second mounting seat; 711. third clamping jaw; 712. fourth clamping jaw; 72. second fastener. DETAILED DESCRIPTION

[0025] The technical solutions of the present disclosure are further illustrated below in conjunction with the accompanying drawings and through specific embodiments. It can be understood that the specific embodiments described herein are merely used to explain the present disclosure, but not to limit the present disclosure. In addition, it should be noted that, for the convenience of description, only parts related to the present disclosure are shown in the drawings, but not all.

[0026] Some orientation words are defined in the present disclosure, and the orientation words such as "upper", "lower", "left", "right", "inner", "outer" are used for the convenience of understanding, and thus do not constitute a limitation on the protection scope of the present disclosure, unless the opposite is stated.

[0027] In the present disclosure, unless explicitly specified and limited, "on" or "under" of a first feature to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "over" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is higher in horizontal height than the second feature. "Under", "below" and "under" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the first feature is lower in horizontal height than the second feature.

[0028] In the description of the present disclosure, unless explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0029] The present disclosure relates to a solar interface evaporation device, which can evaporate water under the driving of solar energy. As an example, the solar interface evaporation device can be applied in water purification or seawater desalination. Specifically, the solar interface evaporation device can purify high-salinity wastewater generated by the chemical industry.

[0030] As shown in Figure 1 and Figure 2 , the solar interface evaporation device includes a liquid reservoir 10, a rotary driving mechanism 20, and a solar interface evaporator 30.

[0031] AsFigure 2 As shown, the liquid reservoir 10 includes a liquid storage tank 11 for storing a liquid (not shown) containing water.

[0032] In particular, the liquid reservoir 10 can be a frame with an opening 12 at the top and hollow inside, the hollow space inside the frame being the liquid storage tank 11, which communicates with the outside space through the opening 12. The shape of the frame is not limited, and as an example, it can be a cuboid.

[0033] The liquid contains water, for example, the liquid can be high-salinity wastewater or seawater. The upper surface of the liquid forms a liquid level in the liquid storage tank 11.

[0034] Optionally, a valve 13 can be provided at one side of the bottom of the liquid storage tank 11 to drain the liquid in the liquid storage tank 11.

[0035] As shown in Figure 1 and Figure 2 , the rotary drive mechanism 20 includes a rotary drive assembly 21, a first roller 22, and a second roller 23.

[0036] In Figure 1 and Figure 2 , the rotary drive assembly 21 is connected to the first roller 22 to drive the first roller 22 to rotate. However, in an embodiment not shown, the rotary drive assembly 21 can be connected to the second roller 23 to drive the second roller 23 to rotate. That is, the rotary drive assembly 21 is connected to the first roller 22 or the second roller 23 to drive the first roller 22 or the second roller 23 to rotate.

[0037] As shown in Figure 1 and Figure 2 , the first roller 22 is located in the liquid storage tank 11, the second roller 23 is located outside the liquid storage tank 11, and the first roller 22 is lower than the liquid level of the liquid. However, in an embodiment not shown, both the first roller 22 and the second roller 23 can be located in the liquid storage tank 11, the first roller 22 is lower than the liquid level of the liquid and the second roller 23 is higher than the liquid level. That is, the first roller 22 is immersed in the liquid, and the second roller 23 is not immersed in the liquid. Generally, the height of the second roller 23 is higher than the height of the first roller 22.

[0038] In addition, as shown in Figure 1 and Figure 2 , the first roller 22 and the second roller 23 can be in one vertical plane, that is, the second roller 23 can be located directly above the first roller 22. However, in an embodiment not shown, the second roller 23 can also be located obliquely above the first roller 22.

[0039] As shown in Figure 1 , the solar interface evaporator 30 is a flexible film, the flexible film is connected end to end to form a ring, and the flexible film is at least tensioned between the first roller 22 and the second roller 23.

[0040] It should be noted that the structure and preparation method of the flexible film are known. For example, the flexible film includes a photo-thermal conversion layer and a carrier layer stacked on one side of the photo-thermal conversion layer. The photo-thermal conversion layer is used to absorb sunlight and convert solar energy into heat energy. The carrier layer is used to absorb water and transport water to the interface between the carrier layer and the photo-thermal conversion layer, and the water evaporates at the interface by absorbing heat.

[0041] For example, the material of the photo-thermal conversion layer can be selected from: noble metal nanoparticles with plasmonic effect, such as Au NPs, Pd NPs, etc.; narrow-band semiconductor materials, such as carbon materials, etc.; black titanium dioxide, which has good light absorption and photo-thermal conversion efficiency; polyaniline (PANI), which has high electrical conductivity, flexibility, chemical stability and excellent light absorption performance; polypyrrole (PPy), which has good photo-thermal conversion ability and unique bio-inspired structure; MXene materials, such as Ti3C2T x nanosheet; biomass composite materials, such as willow catkin / polyaniline / copper oxide composite fibers, which have excellent hydrophobicity and photo-thermal conversion ability.

[0042] The carrier layer is responsible for water transport and isolation of the photo-thermal conversion layer and water, and has the following properties: good hydrophilicity for efficient water transport; low thermal conductivity to promote photo-thermal evaporation through thermal confinement effect; high thermal diffusivity to help heat conduction on the surface; good stability to exist stably under different acid-base conditions; excellent mechanical properties to improve the service life of the evaporator; and low cost, which is an important factor to reduce the cost of water treatment.

[0043] For example, the carrier layer can be selected from one of polybenzimidazole (PBI), polyimide material, polydimethylsiloxane (PDMS), polyurethane (PU), polystyrene (PS) foam, melamine foam, natural plant fiber and polydopamine (PDA), non-woven fabric, filter cloth, 3D super strong paper. Preferably, the carrier layer can be selected from one of non-woven fabric, filter cloth, 3D super strong paper to achieve the best water transport and evaporation effect.

[0044] Therefore, according to the solar interface evaporation apparatus of this disclosure, when the rotary drive assembly 21 drives the first roller 22 to rotate, the flexible film rotates between the first roller 22 and the second roller 23 under the drive of the first roller 22. Thus, the portion of the flexible film near the first roller 22 comes into contact with the liquid and moves relative to the liquid, while the portion of the flexible film near the second roller 23 does not come into contact with the liquid. In this way, the portion of the flexible film near the first roller 22 can absorb water from the liquid, and due to the movement between the flexible film and the liquid, salt in the interface can be washed away, reducing the formation of a crystal layer; the portion of the flexible film near the second roller 23 comes into contact with air and can evaporate the water in the interface under the drive of solar energy.

[0045] In summary, the solar interface evaporation device according to this disclosure reduces the formation of a crystallization layer and improves the transport capacity between water and the interface.

[0046] In some implementations, such as Figure 2 As shown, the solar interface evaporation device may include a vertical guide rail assembly 40. A second roller 23 may be disposed on the vertical guide rail assembly 40, and the distance between the second roller 23 and the liquid surface can be adjusted via the vertical guide rail assembly 40.

[0047] like Figure 2 and Figure 3 As shown, the vertical guide rail assembly 40 includes a vertical guide rail 41 and a vertical slider 42. The lower end of the vertical guide rail 41 can be disposed on the outer wall surface of the liquid reservoir 10, and the upper end of the vertical guide rail 41 is higher than the liquid reservoir 11. The vertical slider 42 is slidably disposed on the vertical guide rail 41. The end of the second roller 23 is rotatably inserted into the first support base 231, and the first support base 231 is fixedly disposed on the vertical slider 42. Thus, by sliding the vertical slider 42 on the vertical guide rail 41, the second roller 23 can move in the vertical direction, thereby adjusting the distance between the second roller 23 and the liquid surface.

[0048] like Figure 3 As shown, the solar interface evaporation device also includes a first locking assembly 50, which is used to lock or unlock the second roller 23 to the vertical guide rail assembly 40. The first locking assembly 50 has a first open state and a first locked state. In the first open state, the second roller 23 and the first support 231 are allowed to move on the vertical guide rail assembly 40. In the first locked state, the second roller 23 and the first support 231 are fixed to the vertical guide rail assembly 40 and cannot move relative to the vertical guide rail assembly 40.

[0049] like Figure 3As shown, the first locking assembly 50 can be disposed between the vertical slider 42 and the first support base 231. Specifically, the first locking assembly 50 includes a first mounting base 51 and a first fastener 52. The first mounting base 51 is fixedly disposed between the vertical slider 42 and the first support base 231, and one end of the first mounting base 51 ( Figure 3 A first gripper 511 and a second gripper 512 extend from the upper middle end of the vertical guide rail 41, and are positioned on opposite sides of the vertical guide rail 41. A first fastener 52 is connected to the first gripper 511 and the second gripper 512. Figure 3 As shown, in the first locked state, the first fastener 52 controls the first jaw 511 and the second jaw 512 to clamp onto the vertical guide rail 41.

[0050] By controlling the first fastener 52, the first gripper 511 and the second gripper 512 can be clamped onto the vertical guide rail 41, thereby fixing the first mounting base 51 and the vertical guide rail 41 relative to each other. Consequently, the vertical slider 42 and the first support base 231 connected to the first mounting base 51 are fixed relative to the vertical guide rail 41, thus achieving locking between the second roller 23 and the vertical guide rail 41. Conversely, when the first fastener 52 controls the first gripper 511 and the second gripper 512 to release from the vertical guide rail 41, the second roller 23 can slide relative to the vertical guide rail 41.

[0051] As an example, the first fastener 52 may be provided with threads, and the first jaw 511 and the second jaw 512 may be provided with threaded holes. By screwing the first fastener 52, the first jaw 511 and the second jaw 512 can be controlled to move closer or further away from each other, thereby achieving the clamping or loosening of the first jaw 511 and the second jaw 512.

[0052] In some implementations, such as Figure 1 and Figure 2 As shown, the rotary drive mechanism 20 also includes at least one third roller 24. Specifically, in Figure 1 and Figure 2 The image shows two third rollers 24. A solar interface evaporator 30 (i.e., a flexible thin film) is connected between the first roller 22, the second roller 23, and the third roller 24.

[0053] For example, the third roller 24 may be disposed at the opening 12 of the liquid storage tank 11.

[0054] The height of the third roller 24 may or may not be equal to the height of the second roller 23. For example, in Figure 1 In the middle, the second roller 23 is higher than the third roller 24.

[0055] Furthermore, the third roller 24 and the second roller 23 may not be in the vertical plane, so that a portion of the solar interface evaporator 30 forms an inclined surface 31 (seeFigure 1 By setting the inclined surface 31, the solar interface evaporator 30 can obtain a larger effective evaporation area, making efficient use of solar energy and reducing the footprint.

[0056] In some implementations, such as Figure 1 and Figure 2 As shown, the solar interface evaporation device also includes a horizontal guide rail assembly 60. The third roller 24 can be disposed on the horizontal guide rail assembly 60, and the tilt angle of the inclined plane 31 can be adjusted by adjusting the horizontal distance between the third roller 24 and the second roller 23.

[0057] like Figure 4 As shown, the horizontal guide rail assembly 60 includes a horizontal guide rail 61 and a horizontal slider 62. The horizontal guide rail 61 is disposed in the opening 12. The horizontal slider 62 is slidably disposed on the horizontal guide rail 61. The end of the third roller 24 is rotatably inserted into the second support 241, and the second support 241 is fixedly disposed on the horizontal slider 62. Thus, by sliding the horizontal slider 62 on the horizontal guide rail 61, the third roller 24 can move in the horizontal direction, thereby adjusting the horizontal distance between the third roller 24 and the second roller 23.

[0058] like Figure 4 As shown, the solar interface evaporation device also includes a second locking assembly 70, which is used to lock or unlock the third roller 24 to the horizontal guide rail assembly 60. The second locking assembly 70 has a second open state and a second locked state. In the second open state, the third roller 24 and the second support 241 are allowed to move on the horizontal guide rail assembly 60. In the second locked state, the third roller 24 and the second support 241 are fixed to the horizontal guide rail assembly 60 and cannot move relative to the horizontal guide rail assembly 60.

[0059] like Figure 4 As shown, the second locking assembly 70 can be disposed between the horizontal slider 62 and the second support 241. Specifically, the second locking assembly 70 includes a second mounting base 71 and a second fastener 72. The second mounting base 71 is fixedly disposed between the horizontal slider 62 and the second support 241, and one end of the second mounting base 71 ( Figure 4 A third gripper 711 and a fourth gripper 712 extend from the front end of the horizontal guide rail 61, and are positioned on opposite sides of the horizontal guide rail 61. A second fastener 72 is connected to the third gripper 711 and the fourth gripper 712. Figure 4 As shown, in the second locked state, the second fastener 72 controls the third jaw 711 and the fourth jaw 712 to clamp onto the horizontal guide rail 61.

[0060] By controlling the second fastener 72, the third and fourth clamping jaws 711 and 712 can be clamped on the horizontal guide rail 61, so that the second mounting seat 71 and the horizontal guide rail 61 are relatively fixed, and then the horizontal slide 62 connected on the second mounting seat 71 and the second support seat 241 are fixedly arranged relative to the horizontal guide rail 61, so as to realize the locking between the third roller 24 and the horizontal guide rail 61. Conversely, when the second fastener 72 controls the third and fourth clamping jaws 711 and 712 to be loosened from the vertical guide rail 41, the third roller 24 can slide relative to the horizontal guide rail 61.

[0061] As an example, the second fastener 72 can be provided with a thread, and the third and fourth clamping jaws 711 and 712 can be provided with threaded holes. By screwing the second fastener 72, the third and fourth clamping jaws 711 and 712 can be controlled to move close to or away from each other, so as to realize the clamping or loosening of the third and fourth clamping jaws 711 and 712.

[0062] Although the present disclosure has been described in detail by the general description, the specific implementation and the test, some modifications or improvements can be made on the basis of the present disclosure, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present disclosure shall fall within the scope of protection required by the present disclosure.

Claims

1. A solar interface evaporation device, characterized by, The solar interface evaporator (30) is a flexible film, the flexible film is connected head to tail to form a ring, and the flexible film is at least tensioned between the first roller (22) and the second roller (23). The solar interface evaporator device further comprises: A vertical guide rail assembly (40) comprising a vertical guide rail (41) and a vertical sliding block (42), the upper end of the vertical guide rail (41) is higher than the liquid tank (11), and the vertical sliding block (42) is slidably arranged in the vertical guide rail (41), Wherein, the first support seat (231) of the second roller (23) is fixedly arranged on the vertical sliding block (42). The solar interface evaporator device further comprises:

2. The solar interface evaporation device of claim 1, wherein, A first locking assembly (50) arranged between the vertical sliding block (42) and the first support seat (231), the first locking assembly (50) has a first open state and a first locked state, In the first open state, the first support seat (231) is movable relative to the vertical guide rail (41), In the first locked state, the first support seat (231) is fixedly arranged relative to the vertical guide rail (41).

3. The solar interface evaporation device of claim 2, wherein, The first locking assembly (50) comprises: A first mounting seat (51) fixedly arranged between the vertical sliding block (42) and the first support seat (231), one end of the first mounting seat (51) extends out a first clamping jaw (511) and a second clamping jaw (512), and the first clamping jaw (511) and the second clamping jaw (512) are arranged on opposite sides of the vertical guide rail (41); and A first fastener (52) connected to the first clamping jaw (511) and the second clamping jaw (512), in the first locked state, the first fastener (52) controls the first clamping jaw (511) and the second clamping jaw (512) to be clamped on the vertical guide rail (41). The rotating drive mechanism (20) further comprises:

4. The solar interface evaporation device of claim 3, wherein, ​ ​ ​ 5. The solar interface evaporation device of any one of claims 1-4, wherein, ​ At least one third roller (24) is arranged at the opening (12) of the liquid storage tank (11), and the flexible film is connected between the first roller (22), the second roller (23) and the third roller (24).

6. The solar interface evaporation device of claim 5, wherein, The solar interface evaporation device further comprises: A horizontal rail assembly (60) comprising a horizontal rail (61) arranged at the opening (12) and a horizontal slider (62) slidably arranged at the horizontal rail (61), Wherein the second support seat (241) of the third roller (24) is fixedly arranged at the horizontal slider (62).

7. The solar interface evaporation device of claim 6, wherein, The solar interface evaporation device further comprises: A second locking assembly (70) arranged between the horizontal slider (62) and the second support seat (241), the second locking assembly (70) having a second open state and a second locked state, In the second open state, the second support seat (241) is movable relative to the horizontal rail (61), In the second locked state, the second support seat (241) is fixedly arranged relative to the horizontal rail (61).

8. The solar interface evaporation device of claim 7, wherein, The second locking assembly (70) comprises: A second mounting seat (71) fixedly arranged between the horizontal slider (62) and the second support seat (241), one end of the second mounting seat (71) extending out a third jaw (711) and a fourth jaw (712), the third jaw (711) and the fourth jaw (712) being arranged at opposite sides of the horizontal rail (61); and A second fastener (72) connected to the third jaw (711) and the fourth jaw (712), in the second locked state, the second fastener (72) controls the third jaw (711) and the fourth jaw (712) to be clamped on the horizontal rail (61).

9. The solar interface evaporation device of any one of claims 1-4, wherein, The flexible film comprises a photo-thermal conversion layer and a carrier layer laminated on one side of the photo-thermal conversion layer.

10. The solar interface evaporation device of claim 9, wherein, The material of the carrier layer is selected from one of non-woven fabric, filter cloth and 3D super strong paper. The material of the carrier layer is selected from one of non-woven fabric, filter cloth and 3D super strong paper.

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