CN214059973U - Reinforced stable floating type solar distillation desalination device - Google Patents

Reinforced stable floating type solar distillation desalination device Download PDF

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Publication number
CN214059973U
CN214059973U CN202023031166.XU CN202023031166U CN214059973U CN 214059973 U CN214059973 U CN 214059973U CN 202023031166 U CN202023031166 U CN 202023031166U CN 214059973 U CN214059973 U CN 214059973U
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China
Prior art keywords
water
condensation
module
plastic plate
foam plastic
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Expired - Fee Related
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CN202023031166.XU
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Chinese (zh)
Inventor
岳洋
庄煜彬
何松
吕子健
张卓
谢果
胡再国
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Sichuan University
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Sichuan University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment
    • Y02A20/212Solar-powered wastewater sewage treatment, e.g. spray evaporation

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  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

A reinforced stable floating solar distillation desalination device relates to a distillation desalination device for producing water. The foam plastic plate provides buoyancy, seawater is absorbed by the U-shaped water absorption material embedded in the foam plastic plate and then diffuses and flows upwards to reach the surface of the black light absorption cloth on the foam plastic plate to form a very thin water film, the water film is heated and evaporated under the irradiation of sunlight to form steam, the steam diffuses upwards to a condensation wall to be condensed by cooling, and the generated fresh water is gathered in the drainage grooves fixed on the peripheral wall surfaces of the device and then flows into the water storage bag through the water outlet pipe connected with the lowest position of the drainage grooves; the grating wave absorption modules arranged around the device can continuously eliminate the impact force of waves on the device. And dynamic salinity balance is realized. The condensation wall is made of antifogging glass, and the condensation effect is better. The device is made of low-cost materials, small in size, easy to disassemble and assemble, convenient to carry and environment-friendly.

Description

Reinforced stable floating type solar distillation desalination device
Technical Field
The utility model relates to a distillation desalination device that product water was used specifically is an utilize bionical mangrove forest to prevent unrestrained ripples principle of inhaling, applicable high stable showy formula solar energy distillation desalination device in waters environment such as ocean, lake, river.
Background
With the development of socio-economic and the increase of population, the shortage of fresh water resources has become a global problem. According to the distribution of the global average irradiation intensity, the solar energy resource is abundant in a plurality of regions with shortage of fresh water resources. Thus, the use of clean solar energy to obtain fresh water from seawater, rivers, lakes, and contaminated waters is a viable solution to alleviate the freshwater crisis. In recent years, the floating solar seawater desalination technology with low energy consumption and high water production rate becomes a new research hotspot.
Some scholars have proposed the floating seawater desalination device, compare with traditional solar still, the floating device saves land space, and evaporation rate is very fast, can arrange the salt through the automatic moisturizing of the passageway of bottom during the use. However, the device has instability during operation, which is mainly reflected in four aspects: firstly, the device is rocked due to the impact of sea waves, so that condensed water drops to influence the condensing efficiency; secondly, seawater overflows into the evaporation chamber, so that the temperature of the evaporation surface is reduced, and the evaporation efficiency is influenced; thirdly, the seawater splashes into the water collecting tank to pollute the collected fresh water; and fourthly, the device can be overturned when the sea waves are large.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model discloses design a reinforce stable showy formula solar energy distillation desalination device based on bionical principle. The device is made of low-cost materials, small in size and convenient to carry. The periphery of the carbon fiber bar is mainly provided with a grid wave-absorbing structure formed by carbon fiber bars. When the wave passes through this structure, can receive the resistance of carbon fiber rod, form the turbulent flow between the water part, play the effect of wave-breaking and wave-preventing to make the device can long-time steady operation, keep higher efficiency.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an strengthen stable showy formula solar energy distillation desalination device, the device main part comprises evaporation condensation module, device link module, grid wave absorption module, characterized by: the evaporation and condensation module comprises a top condensation wall, a bottom U-shaped water absorption material, a bottom foam plastic plate, an inner side wall drainage groove and a water outlet pipe; the device connecting module comprises a stainless steel connecting platform, an L-shaped limiting piece and a detachable limiting piece; the grid wave-absorbing module comprises an organic glass plate, a carbon fiber rod, a spacing structure, a perforated plastic plate and a spacing nut; when the device operates, the foam plastic plate provides buoyancy, seawater is sucked by a U-shaped water absorption material embedded in the foam plastic plate and then diffuses and flows upwards to reach the surface of black light absorption cloth on the foam plastic plate to form a water film, the water film is heated and evaporated under the irradiation of sunlight to form steam, the steam diffuses upwards to a condensation wall to be condensed by cooling, and the generated fresh water is gathered in drainage grooves fixed on the peripheral wall surface of the device and then flows into a water storage bag through a water outlet pipe connected with the lowest position of the drainage grooves; in the process, the grating wave absorption modules arranged around the device can continuously reduce the impact force of waves on the device, so that the evaporation and condensation process can be carried out under a relatively stable condition.
The foam plastic board is provided with a light absorption cloth with strong hydrophilicity, and the sunlight which is injected into the device through the condensation wall irradiates on the light absorption cloth to heat and evaporate the water layer on the surface; during the evaporation process, a large amount of water on the evaporation surface is dissipated, and the salinity is gradually increased; at this moment, the two-way transportation process of salinity and moisture exists in the 'U' -shaped water absorption material, and the high-concentration salinity of the light absorption cloth can be discharged into seawater through diffusion, so that dynamic salinity balance is realized, and the long-term stable and efficient operation of the device is guaranteed.
The floating solar still is described above. The condensation wall is made of antifogging glass, so that the condensation effect is good; the condensation wall top is the four pyramid type, compares in the distiller of other shapes, and the design of four pyramid type can float under rotatory operating mode condition at sea, receives more solar irradiation, and condensation performance is better simultaneously, and fresh water on the condensation wall can flow into the drainage groove smoothly.
The stainless steel connecting platform is connected with three L-shaped limiting pieces and a detachable limiting piece, the four limiting pieces form a drawer-shaped structure to limit the foam plastic plate and the evaporation and condensation module, and meanwhile, the detachable limiting pieces ensure that the material is dismounted and replaced at any time; furthermore, the periphery of the stainless steel connecting platform is hollowed in a certain area, when the impact water waves are higher than the grating wave elimination module, water rushing to the platform can flow to the lower part of the device along the hollowed part, and the stability of the evaporation and condensation module is ensured; in addition, four angles downwardly extending's of connection platform a segment steel sheet to punch, carry out bolt and nut fastening with the organic glass board of grid wave absorption module, guarantee device grid wave absorption module and device connection module and do not take place the displacement mutually at the during operation, can long-term even running.
The floating solar still is described above. The carbon fiber rods are connected in series by two perforated plastic plates, and a distance structure is manufactured by utilizing a distance pipe and a threaded pull rod to be matched with a traditional distance process, so that the stability of the grating wave absorbing module is ensured; when the wave strikes the module, the water current of sub-thread hits many carbon-point and will be divided into the less rivers of stranded, and the little rivers of stranded will part in the hole, join, disturb, collide, form the vortex, when leaving the grid wave absorption module, weaken greatly to the impact force of device main part, the range of rocking of device will reduce greatly, the probability that the water droplet on the condensation wall and the rivers in the drainage groove were rocked, are rocked out will greatly reduced, the product water efficiency of device obtains improving.
The utility model has the advantages that:
1. when water passes through the grating wave-absorbing structure mainly composed of carbon fiber rods, the water flow on the upper layer and the water flow on the lower layer impact each other to offset energy, so that the wave-absorbing and wave-preventing effects are achieved, and the water can stably work on the sea and the lake surface with severe weather environments. When the sea waves impact the module, the single-stranded water flow collides with the plurality of carbon rods and is divided into a plurality of strands of smaller water flows, the plurality of strands of small water flows are separated, converged, interfered and collided in the holes to form vortexes, when the small water flows leave the grid wave-absorbing module, the impact force on the device main body is greatly weakened, the shaking amplitude of the device is greatly reduced, the probability that water drops on the condensation wall and water flows in the drainage grooves are shaken down and out is greatly reduced, and the water production efficiency of the device is improved;
2, the drawer-shaped limiting design can well keep the stability of the device and ensure that the foam plastic plate and the U-shaped water absorbing material can be replaced in time;
3. the top of the condensation wall is designed into a rectangular pyramid shape, so that the device can receive more solar radiation and simultaneously strengthen the condensation performance. The U-shaped water absorption material adopts a water flow channel structure, so that the balance of salt and water is ensured, the service life of the device is prolonged, and the maintenance cost is reduced;
4. modular design. The device can be wholly divided into an evaporation condensation module, a floating module and a wave absorption module, the evaporation condensation module is matched with the floating module through four welded steel bars, and the floating module is fastened with the wave absorption module through bolts and nuts. The three modules form a tightly connected and easily detachable whole body, so that the device is convenient to transport and the damaged modules are convenient to replace;
5. the device is made by low-cost material, small in size, easy dismouting, convenient to carry, green. The device can be arranged on a stern, a life raft or a trunk at the sea, and can provide drinking fresh water for marine island residents, soldiers and personnel on a marine vessel when the device floats on the sea surface to operate;
6. the foam plastic board can play a sealing role, the seawater and the evaporation and condensation module are separated, flowing seawater cannot occur in the evaporation chamber, although sea waves can lead condensed water to be sprayed on the surface of the black light absorption cloth, the water bag for storing the condensed water cannot be influenced. Although the waves can make the device jolt, the collected condensed water is not influenced.
Drawings
FIG. 1 is a schematic view of the utility model;
FIG. 2 is a schematic view of a distillation chamber;
FIG. 3 is a stainless steel attachment platform;
FIG. 4 is a grating wave-absorbing module;
FIG. 5 is a U-shaped water-absorbing material;
FIG. 6 is a foam board;
FIG. 7 is a plexiglas plate;
FIG. 8 is a perforated plastic panel in a grid wave-damping module;
FIG. 9 is a carbon fiber rod;
FIG. 10 shows spacing structures in the grid wave-damping module;
in the figure, 1, a condensation wall, 2, a U-shaped water absorption material, 3, a foam plastic plate, 4, a stainless steel connecting platform, 5, an organic glass plate, 6, a carbon fiber rod, 7, a distance structure, 8, a plastic plate with holes, 9, a drainage groove, 10, a water outlet pipe, 12, a detachable limiting sheet, 11, an L-shaped limiting sheet and 13, fastening nuts are arranged.
Detailed Description
The evaporation and condensation module (distillation chamber for short) mainly comprises a condensation wall 1, a U-shaped water absorption material 2, a foam plastic plate 3, a drainage groove 9 and a water outlet pipe 10. The condensation wall is made of antifogging glass, and each piece of glass is bonded by glass cement; the foam board 3 is made of special foam of light weight, and is inserted from the "drawer" structure of the stainless steel connection platform 4. The U-shaped water absorbing material 2 is made of a wick material, and is inserted into the U-shaped water absorbing material insertion hole by punching the foam plastic plate 3 to penetrate through the foam plastic plate 3 to reserve a part of length, so that the U-shaped water absorbing material 2 can be in sufficient contact with the water surface to form a continuous good water channel and stably run when the device runs.
The device connecting module consists of a stainless steel connecting platform 4, an L-shaped limiting piece 11 and a detachable limiting piece 12. The L-shaped limiting piece 11 is welded by a metal welding process, bolt punching is carried out on the stainless steel connecting platform 4 and the detachable limiting piece 12 in advance, the position of the punched hole below the detachable limiting piece 12 and the stainless steel connecting platform 4 is aligned during assembly, and the L-shaped limiting piece is fastened by bolts and nuts to form a good limiting structure. In addition, stainless steel connects 4 four corners borders department downwardly extending 8 mm's steel sheet to bolt hole (be used for inserting the screw rod of distance structure 7), and this structure guarantees platform and grid wave absorption module bolted connection and nut fastening.
The grid wave-absorbing module consists of four small grid modules. Wherein two module length are longer, and two other modules are then shorter, can perfectly laminate stainless steel connection platform 4 below when guaranteeing the module assembly. A small grid wave-absorbing module unit consists of two organic glass plates 5, ten carbon fiber rods 6, four distance structures 7, two perforated plastic plates 8 and eight fastening nuts 13. The distance structure is formed by a distance tube and a full-thread pull rod by utilizing a traditional distance process, the full-thread pull rod penetrates through the perforated plastic plates 8, the pull rod is divided into three parts by the two perforated plastic plates 8, and the three parts are respectively sleeved with a fixed-moment tube made of PVC material; further, the carbon fiber rod 6 is penetrated through the perforated plastic plate 8; and finally, assembling organic glass plates 5 at two ends of the module, wherein the organic glass plates 5 can be made of acrylic plates, holes are formed in the plates by bolts, and the holes need to be aligned with the holes formed in the stainless steel connecting platform 4 extending steel sheets. The nut 13 must be tightened, so that the distance tube can be tightly attached to the perforated plastic plate and the organic glass plate, and the device is guaranteed to be free from displacement and work stably when being impacted by sea waves.

Claims (5)

1. The utility model provides an strengthen stable showy formula solar energy distillation desalination device, the device main part comprises evaporation condensation module, device link module, grid wave absorption module, characterized by: the evaporation and condensation module comprises a top condensation wall (1), a bottom U-shaped water absorption material (2), a bottom foam plastic plate (3), an inner side wall drainage groove (9) and a water outlet pipe (10); the device connecting module comprises a stainless steel connecting platform (4), an L-shaped limiting piece (11) and a detachable limiting piece (12); the grid wave-absorbing module comprises an organic glass plate (5), a carbon fiber rod (6), a distance structure (7), a perforated plastic plate (8) and a distance nut (13); when the device is operated, the foam plastic plate (3) provides buoyancy, seawater is sucked by the U-shaped water absorption material (2) embedded in the foam plastic plate (3) and then diffuses and flows upwards to reach the black light absorption cloth surface on the foam plastic plate (3) to form a water film, the water film is heated and evaporated under the irradiation of sunlight to form steam, the steam diffuses upwards to the condensation wall (1) to be cooled and condensed, and the generated fresh water is gathered in the drainage grooves (9) fixed on the peripheral wall surfaces of the device and then flows through the water outlet pipe (10) connected with the lowest position of the drainage grooves (9) to enter the water storage bag; in the process, the grating wave absorption modules arranged around the device can continuously reduce the impact force of waves on the device, so that the evaporation and condensation process can be carried out under a relatively stable condition.
2. The enhanced stabilized floating solar distillation desalination plant as defined in claim 1, wherein: the foam plastic board (3) is provided with light absorption cloth with strong hydrophilicity, and the sunlight which is injected into the device through the condensation wall (1) irradiates on the light absorption cloth to heat and evaporate the water layer on the surface; during the evaporation process, a large amount of water on the evaporation surface is dissipated, and the salinity is gradually increased; at the moment, the two-way transportation process of salinity and moisture exists in the U-shaped water absorption material (2), so that high-concentration salinity of the light absorption cloth can be discharged into seawater through diffusion, dynamic salinity balance is realized, and the long-term stable and efficient operation of the device is guaranteed.
3. The enhanced stabilized floating solar distillation desalination plant as defined in claim 1, wherein: the condensation wall (1) is made of antifogging glass, so that the condensation effect is good; the top of the condensation wall (1) is of a quadrangular pyramid shape, and compared with a distiller with other shapes, the quadrangular pyramid design can receive more solar radiation under the working condition of floating rotation on the sea, the condensation performance is good, and fresh water on the condensation wall (1) can smoothly flow into the drainage grooves (9).
4. The enhanced stabilized floating solar distillation desalination plant as defined in claim 1, wherein: three L-shaped limiting pieces (11) and a detachable limiting piece (12) are connected to the stainless steel connecting platform (4), the four limiting pieces form a drawer-shaped structure to limit the foam plastic plate (3) and the evaporation and condensation module, and the detachable limiting pieces (12) ensure that materials can be dismounted and replaced at any time; furthermore, the periphery of the stainless steel connecting platform is hollowed in a certain area, when the impact water waves are higher than the grating wave elimination module, water rushing to the platform can flow to the lower part of the device along the hollowed part, and the stability of the evaporation and condensation module is ensured; in addition, four angles downwardly extending's of connection platform a segment steel sheet to punch, carry out bolt and nut (13) fastening with organic glass board (5) of grid wave-absorbing module, guarantee that device grid wave-absorbing module and device connection module do not take place the displacement mutually at the during operation, can long-term even running.
5. The enhanced stabilized floating solar distillation desalination plant as defined in claim 1, wherein: two perforated plastic plates (8) are used for connecting the carbon fiber rods (6) in series, and in addition, a distance structure (7) is manufactured by utilizing a distance pipe and a threaded pull rod to match with the traditional distance process, so that the stability of the grid wave absorbing module is ensured.
CN202023031166.XU 2020-12-16 2020-12-16 Reinforced stable floating type solar distillation desalination device Expired - Fee Related CN214059973U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087596A (en) * 2021-11-19 2022-02-25 南京大学 Efficient solar steam generation system capable of effectively preventing salt deposition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087596A (en) * 2021-11-19 2022-02-25 南京大学 Efficient solar steam generation system capable of effectively preventing salt deposition

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Granted publication date: 20210827