CN116534941A - Solar energy and wave energy complementary condensation hot sea water desalination device - Google Patents

Solar energy and wave energy complementary condensation hot sea water desalination device Download PDF

Info

Publication number
CN116534941A
CN116534941A CN202310653044.3A CN202310653044A CN116534941A CN 116534941 A CN116534941 A CN 116534941A CN 202310653044 A CN202310653044 A CN 202310653044A CN 116534941 A CN116534941 A CN 116534941A
Authority
CN
China
Prior art keywords
water
distiller
evaporation
condensation
wave energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310653044.3A
Other languages
Chinese (zh)
Inventor
柴威
鲁夏阳
何林
齐健璋
张家兴
柳宏毓
吴建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN202310653044.3A priority Critical patent/CN116534941A/en
Publication of CN116534941A publication Critical patent/CN116534941A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/043Details
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/009Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • 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

Abstract

The invention discloses a solar energy and wave energy complementary condensation heat sea water desalting device, which comprises a floating platform, a condensation cabin and a distiller which are arranged on the floating platform, a total internal reflection condenser arranged in an inner cavity of the condensation cabin, a condensation cover covered above an upper port of the total internal reflection condenser, a fresh water collecting tank arranged at the lower end of the condensation cover, and an evaporation platform arranged at the bottom of the total internal reflection condenser, wherein the evaporation platform is provided with an evaporation water through hole, the evaporation water through hole is communicated with the inner cavity of the distiller, the distiller is connected with a water pump, an electric heating mechanism is arranged in the distiller, a wave power generation mechanism is further arranged on the floating platform, the electric heating mechanism and the water pump are connected with the wave power generation mechanism, the top of the condensation cover is made of a light-transmitting material, and sunlight can penetrate through the top of the condensation cover and irradiate into the total internal reflection condenser. The solar energy concentrating solar energy sea water desalination device can effectively and complementarily desalinate sea water by utilizing light and heat of solar energy concentration and electric heat of wave energy conversion, improves the fresh water obtaining efficiency, and has the characteristics of environmental protection, multipotent complementation and wind wave resistance.

Description

Solar energy and wave energy complementary condensation hot sea water desalination device
Technical Field
The invention particularly relates to a solar energy and wave energy complementary concentrating hot sea water desalting device.
Background
As a large ocean country, china has rich sea water resources and numerous islands. However, some saline water, brackish water and alkaline water areas of many islands along the coast all face serious water shortage problems, wherein residents in many water shortage areas directly influence the physical health of the citizens and the local economic construction due to the occurrence of various diseases caused by long-term drinking of water which does not meet the sanitary standard. Therefore, designing a novel sea water desalination device to solve the fresh water supply problem has become an unprecedented problem in China.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the solar energy and wave energy complementary concentrating heat sea water desalting device which can effectively and complementarily desalt sea water by utilizing the light heat concentrated by solar energy and the electric heat converted by wave energy, improves the fresh water obtaining efficiency and has the characteristics of environmental protection, multipotent complementation and wind and wave resistance.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a solar energy and complementary spotlight hot sea water desalination device of wave energy, including floating platform, condensation cabin and the distiller of setting on floating platform, set up the total internal reflection spotlight ware in condensation cabin inner chamber, the cover is located the condensation cover of total internal reflection spotlight ware upper port top, set up the fresh water collecting vat in the lower extreme of condensation cover, the evaporation platform of setting in total internal reflection spotlight ware bottom, still be equipped with the evaporation limbers on the evaporation platform, evaporation limbers and distiller inner chamber intercommunication, the inlet outlet of distiller is connected with the water pump, be equipped with electric heating mechanism in the distiller, still be equipped with wave power generation mechanism on the floating platform, electric heating mechanism and water pump are connected with wave power generation mechanism, the top of condensation cover is the printing opacity material, sunlight can shine into the upper port of total internal reflection spotlight ware through the condensation cover top.
According to the technical scheme, the fresh water collecting tank is of an annular structure, the upper port of the total internal reflection condenser is sleeved on the inner ring of the fresh water collecting tank, the condensing cover is arranged on the outer ring of the fresh water collecting tank, and the top of the condensing cover is provided with a unidirectional light-transmitting dome.
According to the technical scheme, the evaporation platform and the distiller are both arranged in the condensation cabin, and the evaporation platform is arranged at the upper end of the distiller.
According to the technical scheme, one side of the bottom of the fresh water collecting tank is connected with a fresh water storage tank through a fresh water drainage tube.
According to the technical scheme, the reflecting aluminum film with the reflectivity of 85% is adhered to the surface of the inner cavity of the total internal reflection condenser.
According to the technical scheme, the electric heating mechanism comprises an electric heating pipe arranged in the distiller.
According to the technical scheme, the floating platform comprises a main floater and a plurality of side floaters, wherein the side floaters are arranged around the main floater, the side floaters are connected with the main floater through a force arm rod, the distiller and the condensation chamber are arranged on the main floater, and the wave power generation module comprises a piezoelectric power generation module and/or a friction power generation module;
the piezoelectric power generation module is arranged on the force arm rod, and the friction power generation module is arranged on the side floater.
According to the technical scheme, the arm lever is of a telescopic structure.
According to the technical scheme, the side float comprises a first shell and a second shell, the lower end of the first shell is sleeved with the upper end of the second shell, the friction power generation module comprises a first contact body and a second contact body which are arranged in a cavity formed between the first shell and the second shell, the first contact body is arranged above the second contact body, the first contact body is connected with the first shell, the second contact body is connected with the second shell, the opposite surfaces of the first contact body and the second contact body are used as contact friction surfaces, and friction power generation materials are arranged on the contact friction surfaces.
According to the technical scheme, the solar energy and wave energy complementary condensation hot sea water desalting device comprises a daytime mode and a night mode, when the solar energy and wave energy complementary condensation hot sea water desalting device is in the daytime mode, the water pump is used for adding sea water into the distiller, the sea water overflows the inner cavity of the distiller and rises to the evaporation platform, at the moment, the evaporation water through holes are used as water through holes on the evaporation platform, the electric heating mechanism plays a role in preheating, sunlight is focused on the preheated sea water on the evaporation platform through the total internal reflection condenser, the sea water on the evaporation platform is changed into water vapor, the water vapor rises to the condensation cover to be condensed, and the condensed water is collected through the fresh water collecting tank;
when the night mode is in, the water pump adds seawater into the distiller, the seawater does not overflow the top of the inner cavity of the distiller, the electric heating mechanism heats the seawater in the distiller to evaporate the seawater into water vapor, at the moment, the evaporation water holes act as evaporation pore channels, the water vapor rises to the condensing cover through the evaporation water holes to be condensed, and the condensed water is collected through the fresh water collecting tank.
The invention has the following beneficial effects:
the device focuses solar rays on water on the evaporation platform through the total internal reflection condenser, seawater enters the distiller through the water pump and enters the evaporation platform after being heated by the electric heating mechanism, light irradiated into the total internal reflection condenser through the condensation cover is focused, so that the water on the evaporation platform is changed into water vapor, the water vapor rises to the condensation cover to be condensed and is collected through the fresh water collecting tank, the wave power generation mechanism converts kinetic energy of sea waves into electric energy to supply power for the electric heating mechanism and the water pump, the electric heating mechanism heats the seawater in the distiller, the collected seawater can be evaporated together by the electric energy converted from wave energy and light energy to obtain fresh water, the seawater can be effectively desalted by utilizing photo-thermal energy of solar energy condensation and electric heat converted from wave energy, the fresh water obtaining efficiency is improved, and the device has the characteristics of green environmental protection, multi-energy complementation and wind and wave resistance.
Drawings
FIG. 1 is a perspective view of a solar and wave energy complementary concentrating hot seawater desalination plant in an embodiment of the present invention;
FIG. 2 is a front view of a solar and wave energy complementary concentrating hot seawater desalination plant in an embodiment of the invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic diagram of the reflection path of obliquely incident light at a total internal reflection concentrator in an embodiment of the present invention;
FIG. 5 is a schematic diagram of the reflection path of normal incidence light at a total internal reflection concentrator in an embodiment of the present invention;
in the figure, 1, a fresh water collecting tank; 2. a water pump; 3. a side float; 4. a telescopic arm of force; 5. a first one-way valve; 6. fresh water collection direction; 7. a unidirectional light-transmitting dome; 8. solar rays; 9. a condensing cover; 10. a condensation chamber; 11. a total internal reflection concentrator; 12. evaporating the water through hole; 13. an evaporation platform; 14. an electric heating tube; 15. a distiller; 16. a main float; 17. positioning anchors; 18. fresh water drainage tube; 19. a fresh water storage tank; 20. a first contact plate; 21. a second contact plate 22, a first housing 23, a second housing.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1-2, the solar energy and wave energy complementary condensation heat sea water desalination device in embodiment 1 provided by the invention comprises a floating platform, a condensation cabin 10 and a distiller 15 which are arranged on the floating platform, a total internal reflection condenser 11 which is arranged in the cavity of the condensation cabin 10, a condensation cover 9 which is covered above the upper port of the total internal reflection condenser 11, a fresh water collecting tank 1 which is arranged at the lower end of the condensation cover 9, an evaporation platform 13 which is arranged at the bottom of the total internal reflection condenser 11, an evaporation water through hole 12 which is also arranged on the evaporation platform, the cavity of the total internal reflection condenser 11 is communicated with the cavity of the distiller 15 through the evaporation water through hole 12, a water pump 2 is connected with a water inlet and outlet of the distiller 15, an electric heating mechanism is arranged in the distiller 15, a wave power generation mechanism is also arranged on the floating platform, the electric heating mechanism and the water pump are respectively electrically connected with the wave power generation mechanism, the top of the condensation cover 9 is made of a light transmission material, and sunlight can be irradiated into the upper port of the total internal reflection condenser 11 through the top of the condensation cover 9; the water on the evaporation platform 13 is focused by the total internal reflection condenser 11, the sea water enters the distiller 15 through the water pump 2 and enters the evaporation platform 13 after being heated by the electric heating mechanism, the water on the evaporation platform 13 is changed into water vapor by combining the light focusing which is irradiated into the total internal reflection condenser 11 through the condensation cover 9, the water vapor rises to the condensation cover 9 to be condensed and is collected by the fresh water collecting tank 1, the wave power generation mechanism converts the kinetic energy of sea waves into electric energy to supply power for the electric heating mechanism and the water pump, the electric heating mechanism heats the sea water in the distiller, the collected sea water can be evaporated together by the electric energy converted from wave energy and light energy, and the fresh water obtaining efficiency is improved.
Further, the upper end of the condensation chamber is open, the total internal reflection condenser 11 is sleeved in the condensation chamber 10, the openings of the total internal reflection condenser 11 and the condensation chamber 10 are upward, and the upper end opening of the condensation chamber is sleeved with the upper port of the total internal reflection condenser 11.
Example 2
As shown in fig. 2, the fresh water collecting tank and the condensation housing are further defined on the basis of example 1, and the performance of example 2 after the definition is more excellent.
Further, the fresh water collecting tank 1 is of an annular structure, the upper port of the total internal reflection condenser 11 is sleeved on the inner ring of the fresh water collecting tank 1, the condensation cover 9 is covered on the outer ring wall of the fresh water collecting tank 1, and the top of the condensation cover 9 is provided with a unidirectional light-transmitting dome 7.
Further, the evaporation platform 13 and the distiller 15 are both arranged in the condensation chamber 10, and the evaporation platform 13 is arranged at the upper end of the distiller 15; the evaporation platform 13 and the distiller 15 are fixed on the floating platform through the condensation chamber 10.
Example 3
As shown in fig. 2, the limitation of the fresh water drainage tube and the fresh water storage tank is added on the basis of the embodiment 1, and the performance of the limited embodiment 3 is more excellent.
Further, a fresh water storage tank 19 is connected to the bottom side of the fresh water collecting tank 1 of the condensed fresh water collecting head through a fresh water drainage pipe 18.
Example 4
As shown in fig. 2 and fig. 4 to 5, the total internal reflection condenser was further defined on the basis of example 1, and the performance of example 4 after the definition was further excellent.
Further, the total internal reflection condenser 11 is of an inverted cone-shaped or funnel-shaped structure, a reflection aluminum film with a reflectivity of 85% is attached to the inner cavity surface of the total internal reflection condenser 11, the manufacturing base material of the upper layer part of the total internal reflection condenser is made of glass fiber reinforced plastics, and the manufacturing base material of the lower layer part of the total internal reflection condenser is made of stainless steel.
The curved inclined inner surface of the total internal reflection condenser can enable sunlight irradiated on the total internal reflection condenser to be reflected for multiple times based on the total reflection principle, finally the sunlight is converged on the evaporation platform at the bottom to heat seawater, and the condensing cover at the top is provided with a single-item light-transmitting material, so that sunlight is prevented from being reflected to the outside of the device, and sunlight is captured and wasted.
The total internal reflection condenser has a light concentration ratio of 1.93 and a maximum light concentration angle of 36 degrees, and the final structural dimension of the funnel-shaped condenser is determined by fully considering the free path of gas molecules, the light concentration angle and the light concentration ratio: the light inlet is 58cm, the light outlet is 30cm, the height is 123cm, and the light source can be manufactured according to the proportion of the secondary dimension.
Further, the electric heating mechanism includes an electric heating pipe 14 provided in a distiller 15; the electric heating tube is a bent coil.
Example 5
As shown in fig. 1 to 3, the floating platform and the wave power module are further defined on the basis of embodiment 1, and the performance of embodiment 5 after the definition is more excellent.
Further, the floating platform comprises a main floater and a plurality of side floaters, the side floaters are arranged around the main floater, the side floaters are connected with the main floater through a force arm rod, the distiller and the condensation chamber are arranged on the main floater, and the wave power generation module comprises a piezoelectric power generation module and/or a friction power generation module;
the piezoelectric power generation module is arranged on the arm lever; when the fluctuation position of the oscillating floater is changed due to wave tide, the force arm is subjected to combined deformation due to external force, the piezoelectric ceramic piece attached to the lower part is deformed along with the force arm, charges with opposite polarities are generated at the two ends, and current is formed through a loop, so that the electric energy quality is effectively improved;
the friction power generation module is arranged on the side floater.
Further, a main floater 16 is fixedly connected to the bottom of the distiller 15, a telescopic force arm 4 is fixedly connected to the outer side of the main floater 16, a wave energy side floater 3 is fixedly connected to the other end of the telescopic force arm 4, and a positioning anchor 17 is connected to the bottom of the electric heating pipe 14 or the main floater. The number of the wave energy side floats 3 is a plurality, and the intervals among the wave energy side floats 3 are equal.
Further, the arm lever is of a telescopic structure and is a telescopic arm.
Further, the piezoelectric power generation module includes a piezoelectric ceramic sheet.
Further, the side float comprises a first shell and a second shell, the lower end of the first shell is sleeved with the upper end of the second shell, the friction power generation module comprises a first contact body and a second contact body which are arranged in a cavity formed between the first shell and the second shell, the first contact body is arranged above the second contact body, the first contact body is connected with the first shell, the second contact body is connected with the second shell, the opposite surfaces of the first contact body and the second contact body are used as contact friction surfaces, and friction power generation materials are arranged on the contact friction surfaces; the sea water waves drive the first shell and the second shell to relatively stretch and move, so that the contact friction surface between the first contact body and the second contact body is in intermittent contact for power generation. The solar energy and wave energy complementary condensation heat sea water desalting device comprises a daytime mode and a night mode, when the device is in the daytime mode, a water pump adds sea water into a distiller, the sea water overflows an inner cavity of the distiller to rise to an evaporation platform, at the moment, an evaporation water through hole is used as a water through hole on the evaporation platform, an electric heating pipe of the electric heating mechanism plays a role in preheating, sunlight is focused on the preheated sea water on the evaporation platform 13 through a total internal reflection condenser 11, the sea water on the evaporation platform 13 is changed into water vapor, the water vapor rises to a condensation cover 9 to be condensed, and the condensed water is collected through a fresh water collecting tank 1;
when the device is in night mode, the water pump adds seawater into the distiller, and makes the seawater not overflow the top of the inner cavity of the distiller, the electric heating mechanism heats the seawater in the distiller to evaporate the seawater into water vapor, the water vapor rises to the condensing cover 9 through the evaporation water through hole 12 for condensation, and the condensed water is collected through the fresh water collecting tank 1.
The solar energy and wave energy complementary concentrating heat sea water desalting device is switched between a daytime mode and a night mode; the device may also be assigned to night mode when there is insufficient sunlight in the daytime on a cloudy day.
The left side of evaporation platform 13 fixed mounting has water pump 2, the output shaft of water pump 2 has first check valve 5, and the number of water pump is two, and one water pump is used for pumping water in to the distiller, and another water pump is used for pumping water outside the distiller. The number of the electric heating pipes 14 is two, and the two electric heating pipes 14 are both positioned in the inner cavity of the evaporation platform 13. The number of the evaporation water holes 12 is four, and the four evaporation water holes 12 are all positioned in the evaporation platform 13.
The working principle of the invention is as follows: referring to fig. 1-5, a solar energy and wave energy complementary condensation hot sea water desalination device comprises a fresh water collecting tank 1, wherein a condensation cabin 10 is installed at the bottom of the fresh water collecting tank 1, a total internal reflection condenser 11 is installed in an inner cavity of the condensation cabin 10, an evaporation platform 13 is installed at the bottom of the total internal reflection condenser 11, an evaporation water through hole 12 is formed above the inner cavity of the evaporation platform 13, an electric heating pipe 14 is fixedly installed in the middle of the inner cavity of the evaporation platform 13, a water pump 2 is fixedly installed at the left side of the evaporation platform 13, a first one-way valve 5 is connected with an output shaft of the water pump 2, a distiller 15 is installed at the bottom of the evaporation platform 13, a main floater 16 is fixedly connected with a telescopic arm 4, the other end of the telescopic arm 4 is fixedly connected with a wave energy side floater 3, a condensation cover 9 is fixedly installed on the outer wall of the fresh water collecting tank 1, a fresh water drainage pipe 18 is fixedly connected with a fresh water storage tank 19 at the right side of the condensation cover 9, and a positioning anchor 17 is connected at the bottom of the electric heating pipe 14. The number of the electric heating pipes 14 is two, the two electric heating pipes 14 are all located in the inner cavity of the evaporation platform 13, the number of the evaporation water through holes 12 is four, the four evaporation water through holes 12 are all located in the evaporation platform 13, the number of the wave energy side floats 3 is a plurality of, the intervals among the wave energy side floats 3 are equal, the fresh water collecting direction 6 is located in the fresh water collecting tank 1 and is the direction indicated by the figure 1, the unidirectional light-transmitting dome 7 is arranged in the fresh water collecting tank 1, and the refraction of the solar pipeline 8 is shown in the figure 1.
1. Condensing system
1.1 Total internal reflection condenser
The maximum condensing angle of the total internal reflection type condenser is one of important performance indexes, and only the human-light rays smaller than the maximum condensing angle can be led out from the light outlet. For a condenser with the ratio of the height to the aperture of light inlet being greater than 1, the maximum light condensing angle is generally smaller than 15 degrees, which is unfavorable for all-weather collection of sunlight, so that the structure needs to be improved and optimized to improve the lighting performance. The device is ensured to perform high-efficiency reflection under the condition of sunlight, so that incident sunlight is concentrated on the evaporation platform below the device through the curved and inclined inner surface. The manufacturing base material of the upper layer part of the total internal reflection type condenser is glass fiber reinforced plastic, and a reflection aluminum film with the reflectivity of 85% is attached to the reflection surface; the manufacturing base material of the lower layer part of the condenser is stainless steel, a reflecting aluminum film with the reflectivity of 85% is stuck on the reflecting surface, a glass hot bending forming method is adopted, planar ultra-white glass is used as a base plate, the base plate is heated to 600-700 ℃ in a high-temperature hot bending furnace and subjected to softening forming in a forming die, and then cooling forming is carried out under the condition of heat preservation, so that the condenser is manufactured. And then the reflector is manufactured according to a mirror manufacturing and coating process. The schematic diagrams of the reflection paths of the light concentrators are shown in fig. 2 and 3.
The principle diagrams of the reflection paths of the total internal reflection type condenser are shown in fig. 4 and 5, and the principle diagrams consist of two parabolic sections DA and CB and straight line sections AE and BG, and the condenser is obtained by rotating the condenser around a y axis. The two parabola sections respectively belong to two parabolas which are staggered, symmetry axes of the parabolas are parallel to each other, focuses of the parabolas are F1 and F2 respectively, the mirror effect of the two straight line sections resets the two focuses to F, and when parallel light is normally incident, emergent light is focused at the coincident focus F of the combined parabolas.
1.2 self-cleaning antireflection film
The self-cleaning antireflection film is arranged on the surface of the main floater, the device is applied to the offshore ocean, and due to factors such as pollution, sand scale and the like, the light transmittance can be directly influenced by the deposited dirt on the surface of the solar condenser. The light-absorbing coating on the outer surface of the condenser makes dust in air not easy to adhere to the surface, and for non-permanent dust and stains adhered to the surface of the condenser, a uniform water-soluble water film can be formed during natural precipitation, and most of organic or inorganic stains can be removed by falling and washing by gravity.
The self-cleaning antireflection film is made of titanium dioxide or silicon dioxide.
2. Wave energy utilization system
2.1 wave energy Power Module
2.1.1 piezoelectric ceramic Power Generation
The wave energy power generation module is arranged at the bottom of the device, the floats float on the sea surface, the waves drive the side floats to move up and down, the side floats move up and down by irregular sea water, the piezoelectric ceramic chip is arranged below the arm of force linked with the oscillating floats, when the oscillating floats are subjected to fluctuation position change of wave tide, the arm of force can be subjected to combined deformation by external force, the piezoelectric ceramic chip attached to the lower part is deformed, charges with opposite polarities can be generated at the two ends, current is formed through a loop, and the electric energy quality is effectively improved. The outside of the piezoelectric sheet body is strictly waterproof, so that the corrosion of seawater to the device is reduced, and the service life of the device is prolonged. And can adjust two connecting rods (after designing the connecting rods into telescopic links, combine with the mode of adjusting the contained angle, can enlarge the distance between two side floats of regulation, improve this power generation facility's commonality), adjust the distance between two side floats promptly, when this distance and half wavelength matching of wave, can realize higher generating power. In addition, the side floats are surrounded on the periphery of the main floats, so that the piezoelectric sheets can be deformed in a rolling manner and can be twisted; the device is in direct contact with seawater, and has small volume; meanwhile, the piezoelectric plate deforms to generate current, a complex mechanical device is not needed, and the piezoelectric plate is simple in structure and low in cost.
The wave energy power generation module is based on the friction power generation principle, the side floats are distributed around the main floats respectively, a first shell and a second shell are arranged, a first contact body and a second contact plate are arranged in the shells, a plurality of friction units are formed after the first contact body and the second contact body are integrated with other floats, paired friction power generation materials are arranged on contact friction surfaces of the first contact body and the second contact body, the paired friction power generation materials are connected with the current collection module respectively, the friction power generation materials are arranged on the two contact plates, and two reset springs are arranged at the bottom of the bottom plate. The material types of the paired triboelectric power generation materials are different, and are each selected from one or more of polyimide, polyvinyl chloride, polytetrafluoroethylene, polydimethylsiloxane, polypropylene, polyethylene, polystyrene, polyvinylidene chloride, polychloroether, polymethyl methacrylate, polyvinyl alcohol, polyester, polyisobutylene, polyurethane elastic sponge, polyvinyl butyral, nylon, polyacrylonitrile, polydiphenol carbonate, and electret material.
2.2 wave energy utilization direction
2.2.1 seawater evaporation System
The seawater evaporation system is a core system of the whole device and consists of an evaporation platform, an electric heating pipe and related connecting pipelines. The evaporation mode of the device is divided into condensation photo-thermal evaporation and electric heating tube heating evaporation, sea water is evaporated by means of solar heat collected by a condenser, and the electric heating tube generates electricity through a wave energy floater arranged at the bottom end of the device. .
2.2.2 electric heating tube
The electric heating pipe is a core component of the seawater evaporation system and is positioned in the distiller, and different electric heating pipes, such as disc-shaped, spiral-shaped and the like, can be adopted according to different application scenes. The device adopts a tubular shape which is uniformly distributed in the distiller.
The power supply of the electric heating pipe is provided by wave energy piezoelectric power generation, the water pump pumps the seawater into the distiller under the drive of electricity, the electric heating pipe works and rapidly heats in a very short time, so that the seawater in the distiller is rapidly heated, the seawater is evaporated and passes through the evaporation platform, and the seawater vapor is fully condensed at the condensation part of the device.
2.2.3 distiller impurity cleaning
The device is provided with two small water pumps, wherein one water pump arranged at the high position is responsible for pumping seawater into the distiller, and when one distillation period is finished, the other water pump arranged at the bottom of the device discharges seawater impurities in the device to the sea after distillation, so that the cleaning in the distillation box is realized.
3. Cooling water collecting system
3.1 Evaporation condensation Water production System
The evaporation condensation water preparation system is a key component of sea water desalination. After the evaporation platform evaporates the sea water vapor, the sea water vapor is condensed through the hollow inner cavity of the device, and the device is designed to have the total height: fresh water collection tank diameter = 2: and 1, realizing vapor air cooling, ensuring that the vapor is left for enough time for condensation recovery, so that the vapor is completely condensed on the arc dome to form small water drops, and the small water drops flow to a fresh water collecting tank through the arc dome of the device to realize concentrated collection of fresh water.
3.2 fresh water collecting system
Condensed water obtained by the evaporation and condensation water preparation system flows to an annular fresh water collecting tank through an arc dome of the device, a water outlet is arranged in the annular fresh water collecting tank, and the water outlet is connected with a fresh water storage tank to play a role in collecting desalted fresh water. Wherein, the fresh water bin internally mounted has filtration system to the distilled fresh water that flows in filters to reach the purpose that fresh water can directly drink, make things convenient for offshore ship or fishermen to use. When the water in the fresh water collecting box is not taken out for a long time for use, the fresh water in the water tank is automatically discharged to the sea through the pipeline under the control of the electric control system.
In summary, the solar energy and wave energy complementary concentrating heat sea water desalination device adopts solar energy concentrating photo-heat, friction nano power generation and wave energy piezoelectric power generation to assist in heating, and is based on solar energy efficient concentrating photo-heat and wave energy complementary sea water desalination device. Has the advantages of green environmental protection, multi-energy complementation, wind and wave resistance, high fresh water production efficiency and the like. Sunlight irradiates into the total internal reflection type condenser through the single-phase light-transmitting dome, is reflected in the condenser for multiple times, is concentrated on the evaporation platform, and evaporates the seawater stored in the evaporation platform. The irregular fluctuation of the wave tide drives the oscillation floater to move in a fluctuation way, the piezoelectric ceramic chip is arranged below the force arm linked with the oscillation floater, the force arm can be subjected to combined deformation by external force caused by the wave tide, the piezoelectric ceramic chip is deformed to generate current, the piezoelectric ceramic chip is jointly integrated into a water pump and an electric heating pipe to provide power for the water pump, the water pump sucks seawater into the distiller, and the electric heating pipe is used for auxiliary heating. The evaporated fresh water vapor moves upwards under the thermal effect, reaches the dome and starts to condense. The prepared fresh water enters a fresh water collecting tank and enters a fresh water storage tank through a water outlet, so that the preparation of the desalted water is completed. The device has the advantages that: the total internal reflection condenser is utilized for condensing, the condensing efficiency per unit area is 1.16 times that of the traditional trough-type and disc-type condensers, the water yield per unit area is 2.81 times that of the traditional passive sea water desalination device, and the absorption rate and the utilization rate of sunlight are improved; the wave energy piezoelectric power generation heating auxiliary distillation improves the sea water distillation efficiency, and two renewable energy sources are complementarily utilized, so that the method has important significance for the utilization and development of energy sources; the design of the main and the measuring floats is adopted, so that the stability of the device is improved, the device has the characteristics of wind and wave resistance and toppling prevention, and the energy can be collected more efficiently; the device has the characteristics of light weight and flexibility, can be moved to a fresh water making area to be desalinated according to the demands of resident water, breaks through the design of large volume, high power and high energy consumption of the traditional sea water desalinating device, can collect energy more efficiently, and is more convenient to use. The device aims to solve the problems of lack of fresh water in coastal islands and high fresh water transportation cost and the like in coastal concentrated places, and has important significance for improving living conditions of local residents and promoting local economic development.
2. The solar energy and wave energy complementary condensation heat sea water desalination device utilizes the total internal reflection type condenser to carry out condensation photo-heat, the condensation efficiency per unit area is 1.16 times that of the traditional trough type and disc type condensers, the water yield is 2.81 times that of a typical active sea water desalination device such as a disc type solar distiller with an internal and external reflecting mirror, solar tracking is not needed, and the absorption rate and the utilization rate of sunlight are improved.
3. The solar energy and wave energy complementary condensation heat sea water desalting device combines wave energy piezoelectric power generation heating evaporation and condensation photo-thermal evaporation, improves sea water distillation efficiency, saves time and cost, efficiently utilizes two renewable energy sources, and has important significance for energy utilization and development.
4. According to the solar energy and wave energy complementary concentrating hot sea water desalting device, wave energy is efficiently utilized by designing a novel vertical contact type friction power generation device, so that the self-energy storage capacity of the device is improved, and the device is energy-saving and environment-friendly.
5. The solar energy and wave energy complementary condensation hot sea water desalting device not only improves the stability of the device by adopting the design of the main measuring floater, but also has the characteristics of wind and wave resistance, toppling prevention and mobility, and can collect energy more efficiently.
6. The solar energy and wave energy complementary condensation hot sea water desalting device has the characteristics of light weight and flexibility, can be moved to a fresh water making area to desalt sea water according to the water demand of residents, breaks through the design of large volume, high power and high energy consumption of the traditional sea water desalting device, not only can collect energy more efficiently, but also can be applied more conveniently.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a solar energy and complementary spotlight hot sea water desalination device of wave energy, a serial communication port, including floating platform, condensation chamber (10) and distiller (15) that set up on floating platform, set up in total internal reflection spotlight ware (11) of condensation chamber (10) inner chamber, cover condensation cover (9) of locating total internal reflection spotlight ware (11) top, set up fresh water collecting tank (1) in the lower extreme of condensation cover (9), evaporation platform (13) of setting up in total internal reflection spotlight ware (11) bottom, be equipped with evaporation water hole on the evaporation platform, evaporation water hole and distiller (15) inner chamber intercommunication, the inlet outlet of distiller (15) is connected with water pump (2), still be equipped with electric heating mechanism in distiller (15), be equipped with wave power generation mechanism on the floating platform, electric heating mechanism and water pump are connected with wave power generation mechanism respectively, the top of condensation cover (9) is the printing opacity material, sunlight can shine into in the top of total internal reflection spotlight ware (11) top.
2. The solar and wave energy complementary concentrating hot seawater desalination device according to claim 1, wherein the fresh water collecting tank (1) is of an annular structure, an upper port of the total internal reflection condenser (11) is sleeved on an inner ring of the fresh water collecting tank (1), the condensation cover (9) is covered on an outer ring of the fresh water collecting tank (1), and the top of the condensation cover (9) is provided with a unidirectional light-transmitting dome (7).
3. The solar and wave energy complementary concentrating hot seawater desalination plant according to claim 1, wherein the evaporation platform (13) and the distiller (15) are both arranged in the condensation chamber (10), and the evaporation platform (13) is arranged at the upper end of the distiller (15).
4. Solar and wave energy complementary concentrating hot seawater desalination plant according to claim 1, characterized in that the bottom side of the fresh water collecting tank (1) is connected with a fresh water storage tank (19) through a fresh water draft tube (18).
5. The solar and wave energy complementary concentrating hot seawater desalination plant of claim 1, wherein the inner cavity surface of the total internal reflection concentrator (11) is stuck with a reflective aluminum film with a reflectivity of 85%.
6. Solar and wave energy complementary concentrating hot sea water desalination plant according to claim 1, characterized in that the electric heating means comprise an electric heating tube (14) arranged in a distiller (15).
7. The solar and wave energy complementary concentrating hot seawater desalination plant of claim 1, wherein the floating platform comprises a main float and a plurality of side floats, the side floats are arranged around the main float, the side floats are connected with the main float through a force arm bar, the distiller and the condensation chamber are arranged on the main float, and the wave power generation module comprises a piezoelectric power generation module and/or a friction power generation module;
the piezoelectric power generation module is arranged on the force arm rod, and the friction power generation module is arranged on the side floater.
8. The solar and wave energy complementary concentrating hot seawater desalination plant of claim 7, wherein the arm bars are of telescopic construction.
9. The solar and wave energy complementary concentrating thermal sea water desalination device according to claim 7, wherein the side float comprises a first housing and a second housing, the lower end of the first housing is sleeved with the upper end of the second housing, the friction power generation module comprises a first contact body and a second contact body arranged in a cavity formed between the first housing and the second housing, the first contact body is arranged above the second contact body, the first contact body is connected with the first housing, the second contact body is connected with the second housing, the opposite surfaces of the first contact body and the second contact body are used as contact friction surfaces, and friction power generation materials are arranged on the contact friction surfaces.
10. The solar and wave energy complementary concentrating hot seawater desalination plant according to claim 1, characterized in that the solar and wave energy complementary concentrating hot seawater desalination plant comprises a daytime mode and a night mode, when the solar and wave energy complementary concentrating hot seawater desalination plant is in the daytime mode, a water pump adds seawater into a distiller, and makes the seawater overflow an inner cavity of the distiller to rise to an evaporation platform, at the moment, an evaporation water through hole acts as a water through hole on the evaporation platform, an electric heating mechanism plays a role of preheating, sunlight is focused on the seawater on the evaporation platform (13) through a total internal reflection condenser (11), the seawater on the evaporation platform (13) is changed into water vapor, the water vapor rises to a condensation cover (9) to be condensed, and the condensed water is collected through a fresh water collecting tank (1);
when the night mode is in, the water pump adds seawater into the distiller, the seawater does not overflow the top of the inner cavity of the distiller, the electric heating mechanism heats the seawater in the distiller to evaporate the seawater into water vapor, at the moment, the evaporation water holes act as evaporation pore channels, the water vapor rises to the condensing cover (9) through the evaporation water holes to be condensed, and the condensed water is collected through the fresh water collecting tank (1).
CN202310653044.3A 2023-06-05 2023-06-05 Solar energy and wave energy complementary condensation hot sea water desalination device Pending CN116534941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310653044.3A CN116534941A (en) 2023-06-05 2023-06-05 Solar energy and wave energy complementary condensation hot sea water desalination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310653044.3A CN116534941A (en) 2023-06-05 2023-06-05 Solar energy and wave energy complementary condensation hot sea water desalination device

Publications (1)

Publication Number Publication Date
CN116534941A true CN116534941A (en) 2023-08-04

Family

ID=87450777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310653044.3A Pending CN116534941A (en) 2023-06-05 2023-06-05 Solar energy and wave energy complementary condensation hot sea water desalination device

Country Status (1)

Country Link
CN (1) CN116534941A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117142727A (en) * 2023-10-27 2023-12-01 松辽水资源保护科学研究所 Be used for ecological environment water to administer clarification plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117142727A (en) * 2023-10-27 2023-12-01 松辽水资源保护科学研究所 Be used for ecological environment water to administer clarification plant
CN117142727B (en) * 2023-10-27 2023-12-29 松辽水资源保护科学研究所 Be used for ecological environment water to administer clarification plant

Similar Documents

Publication Publication Date Title
CN101671056B (en) Distillation desalination system and desalination method thereof for solar chimney
CN102167413B (en) A multiple-effect casing tube-type solar energy seawater desalination apparatus having a light-condensing function
CN2868997Y (en) Solar seawater desalting device
CN202688029U (en) Solar photo-thermal sea water desalting device
CN106927531B (en) Semi-immersed solar seawater desalination system
Bamasag et al. Recent advances and future prospects in direct solar desalination systems using membrane distillation technology
CN111620401A (en) Floating type solar double-effect device for seawater desalination and salt production
CN116534941A (en) Solar energy and wave energy complementary condensation hot sea water desalination device
CN112340799B (en) Double-sided heating type solar photovoltaic/thermal seawater desalination device
CN110776034A (en) Modularized solar distillation desalination device
CN111847557A (en) Efficient focusing solar seawater desalination distiller and method
CN215439746U (en) Solar water dispenser based on honeycomb bionic evaporator
CN105923677B (en) The multi-stage falling-film desalination plant that parabolic concentrator is pulsed compound with hot steam
CN105460995B (en) Solar distilling purifier
CN201140990Y (en) All-glass vacuum heat-collection tube solar water purifier
CN209685356U (en) A kind of high-efficiency concentration solar seawater desalination system
CN102249356B (en) Hot water pure water coproduction device by solar energy
Sun et al. Optimal design for floating solar still by structural modification: A review
CN112591834B (en) Large-scale high-efficiency solar seawater desalination device enhanced by radiation refrigeration
CN202083124U (en) Concentrating solar hot water and purified water preparing device
CN111661889A (en) Solar energy water desalination device
CN1331764C (en) Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange
CN103693699B (en) Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function
CN109354096B (en) Fresnel lens solar carburetor method seawater desalination device
CN205367780U (en) Solar energy distillation water purification unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination