CN116040724B - Bionic temperature self-sensing solar evaporator - Google Patents
Bionic temperature self-sensing solar evaporator Download PDFInfo
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- CN116040724B CN116040724B CN202310064520.8A CN202310064520A CN116040724B CN 116040724 B CN116040724 B CN 116040724B CN 202310064520 A CN202310064520 A CN 202310064520A CN 116040724 B CN116040724 B CN 116040724B
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- 238000001704 evaporation Methods 0.000 claims description 17
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- 238000004108 freeze drying Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention provides a bionic temperature self-sensing solar evaporator, which comprises a transparent shade, a condensation cone, a water receiving cup, a supporting rod, a bionic evaporator anode, a bionic evaporator cathode, a water conduit and a water storage bucket, wherein the transparent shade is positioned outside the whole device, and the condensation cone is positioned below the transparent shade; the water receiving cup is positioned below the condensation cone and connected with the transparent shade through the supporting rod, so that water drops can be collected and then enter the water storage bucket through the water guide pipe; the bionic evaporator is positioned below the water receiving cup, and the lower part of the bionic evaporator is immersed into seawater or water to be distilled and filtered; the bionic evaporator is provided with micro-nano small holes, water can infiltrate into the small holes under the action of capillary force, carbon materials in the bionic evaporator can absorb sunlight entering from the transparent shade and convert the sunlight into heat, and moisture in the bionic evaporator is promoted to evaporate rapidly. The invention has the advantages of high speed, high efficiency, economy and simplified formation of the bionic temperature self-sensing solar evaporator.
Description
Technical Field
The invention relates to the technical field of solar evaporators, in particular to a bionic temperature self-sensing solar evaporator.
Background
The water resource we refer to today generally refers to a fresh water resource that can be directly utilized. The seawater is converted into the directly available fresh water, so that the problem of fresh water shortage in coastal areas and offshore areas can be effectively solved. Because coastal economies are generally developed in these areas, other industries are relatively large, and the demand for fresh water is also large. Although these regions have less fresh water, the seawater source is quite abundant and this is also an advantage in these regions. By means of abundant seawater resources, the method for desalinating seawater solves the shortage of fresh water, is more beneficial to economic growth, and can drive the development of industry. The sea water desalination industry not only supplements fresh water, but also is a strategic reserve measure. At present, the photo-thermal driving section evaporation is a novel solar seawater desalination technology, has the advantages of higher photo-thermal conversion efficiency and lower cost, and is suitable for small-scale domestic water desalination and portable water taking devices.
However, the existing solar energy evaporator lacks intelligent measures, and cannot monitor the real-time situation of the evaporation device in the solar energy evaporator in real time, such as the situation that the evaporator is blocked, the efficiency of the evaporator is reduced, the heat quantity of the evaporator is changed, and the like. Aiming at the technical problems, the invention provides a bionic temperature self-sensing solar evaporator which can monitor the temperature change of evaporation, the efficiency of the evaporator, the blockage situation and the like in real time.
Disclosure of Invention
The invention aims to provide a bionic evaporator and a bionic temperature self-sensing solar evaporator, wherein the evaporator can sense temperature change conditions in real time, and basic data are provided for monitoring the efficiency of the evaporator in real time. The evaporator is mainly prepared from a prepared imitation photo-thermal material. The prepared imitation photo-thermal material is prepared by main photo-thermal material, macromolecule matrix material and the like according to proportion, wherein carbon nano-tubes can be replaced by photo-thermal materials such as carbon black nano-particles, graphene and the like.
In order to solve the problems in the prior art, the invention provides a bionic evaporator, the bionic evaporator comprises a photo-thermal material, the 3D printer prints the photo-thermal material by using a DIW method, the photo-thermal material is arranged layer by layer, the arrangement structure is similar to the lamellar arrangement of a turtle shell cuticle, a printed and prepared sample is put into a freezer for freeze drying, a plurality of tiny pores appear in the interior of the sample after freeze drying, the anode and the cathode of the bionic evaporator are connected on the left and right sides of the freeze dried sample to finish the preparation of the bionic evaporator, then the bionic evaporator is placed under sunlight, main photo-thermal materials such as carbon black nano particles in the bionic evaporator can effectively absorb sunlight and convert the sunlight into heat, and under the action of the heat, water immersed in the bionic evaporator can be quickly evaporated and vaporized.
Further, the bionic photo-thermal material is a conductive polymer composite material formed by compounding graphene, carbon nano tubes, carbon black, gold nano particles, nano particle silver and copper nano particle main photo-thermal material with polylactic acid, TPU, silica gel and latex polymer matrix material. Preferably, the photo-thermal imitation material is carbon black nano particles/polylactic acid polymer material, carbon black nano particles/silica gel composite material or silver nano particles/polylactic acid polymer material.
The bionic evaporator is used for evaporating and vaporizing seawater or water needing distillation and filtration.
The invention also provides a bionic temperature self-sensing solar evaporator which comprises a transparent shade, a condensation cone, a water receiving cup, a supporting rod, a bionic evaporator anode, a bionic evaporator cathode, a water diversion pipe, a water storage bucket and the like. The transparent shade is positioned outside the whole device, can transmit sunlight and resist external dust and sundries; the condensation cone is positioned below the transparent shade and is conical, so that the water vapor evaporated by the solar evaporator can be condensed to form water drops again; the water receiving cup is positioned below the condensation cone, is connected with the transparent shade through the supporting rod, can collect water drops dropping from the condensation cone, and can collect the water drops and then enter the water storage bucket through the water conduit after being collected; the bionic evaporator is positioned below the water receiving cup, and the lower part of the bionic evaporator is immersed into seawater or water to be distilled and filtered; the bionic evaporator is provided with a micro-nano small hole structure, water can infiltrate into the small holes under the action of capillary force, sunlight entering from the transparent shade can be absorbed by the bionic evaporator, the sunlight is converted into heat, and rapid evaporation of water in the bionic evaporator is promoted. It should be noted that the biomimetic evaporator is not completely immersed in water.
Further, the bionic temperature self-sensing solar evaporator comprises the bionic photo-thermal material, the 3D printer prints the bionic photo-thermal material by using a DIW method, the bionic photo-thermal material is arranged layer by layer, the arrangement structure is similar to the lamellar arrangement of the horny layer of the tortoise shell, then a printed and prepared sample is placed into a freezer for freeze drying, after freeze drying, a plurality of tiny pores appear in the interior of the sample, the anode and the cathode of the bionic evaporator are connected on the left and right sides of the freeze dried sample, the preparation of the bionic evaporator is completed, then the bionic evaporator is placed under sunlight, main photo-thermal materials such as carbon black nano particles in the bionic evaporator can effectively absorb sunlight and convert the sunlight into heat, and under the action of the heat, water immersed in the bionic evaporator can be quickly evaporated and gasified. Preferably, the positive electrode of the bionic evaporator is connected to the top of one end of the bionic evaporator, the negative electrode of the bionic evaporator is connected to the bottom of one end of the bionic evaporator opposite to the positive electrode of the bionic evaporator, and the positive electrode of the bionic evaporator and the negative electrode of the bionic evaporator are distributed in a diagonal mode basically.
The bionic temperature self-sensing solar evaporator is a conductive polymer composite material formed by compositing any one of main photo-thermal materials of graphene, carbon nano tubes, carbon black, gold nano particles, nano particle silver and copper nano particles with any one of polymer matrix materials of polylactic acid, TPU (thermoplastic polyurethane elastomer also known as thermoplastic polyurethane rubber), silica gel, latex and the like. The main photo-thermal materials such as carbon black nano particles, gold nano particles, nano particle silver and copper nano particles can effectively absorb sunlight and convert the sunlight into heat, and under the action of the heat, water infiltrated in the bionic evaporator can be quickly evaporated and vaporized. Preferably, the photo-thermal imitation material is carbon black nano particles/polylactic acid polymer material, carbon black nano particles/silica gel composite material or silver nano particles/polylactic acid polymer material.
The preparation process of the bionic temperature self-sensing solar evaporator comprises the steps of firstly preparing a photo-thermal material, then adjusting the viscosity of the photo-thermal material until the photo-thermal material meets direct-writing printing (DIW) requirements, then printing by a DIW method through a 3D printer to enable the photo-thermal material to be arranged layer by layer, wherein the arrangement structure is similar to the lamellar arrangement of the horny layer of a tortoise shell, and then placing a sample prepared by printing into a freezing box for freeze drying. After freeze-drying, many tiny pores appear in the interior. And after the evaporator is freeze-dried, connecting upper electrodes on the left and right sides of the evaporator, thus completing the preparation of the bionic evaporator. 3D printing technology, also known as additive manufacturing (additive manufacturing) technology, is a way to increase layer-by-layer fabrication of materials through three-dimensional model data. Existing 3D printing techniques mainly include Stereolithography (SLA), selective laser Sintering (SLM), fused Deposition Modeling (FDM), direct Ink Writing (DIW), and the like. The DIW printing technology is one of the most developed 3D printing technologies at present by virtue of the advantages of wide printing material selection, room-temperature printing, simple and convenient process, low cost and the like.
The principle of the bionic temperature self-sensing solar evaporator is that the prepared bionic temperature self-sensing solar evaporator can effectively absorb natural light by using main photo-thermal materials such as carbon material nano particles and the like in the bionic temperature self-sensing solar evaporator under natural light, and meanwhile, the lamellar structure can be beneficial to refraction, diffraction and the like in the interior of light, so that the absorption capacity of the material on the light is enhanced. The main photo-thermal material such as carbon material nano particles in the evaporator is heated and expanded to a smaller extent than the polymer material of the matrix, so that the inter-particle distance of the main photo-thermal material such as carbon material particles in the evaporator is increased, the resistance of the evaporator is increased, and the resistance of the evaporator is increased along with the increase of the temperature in a certain temperature range. Meanwhile, the water can evaporate upwards from the micro-scale small holes of the evaporator, and the transport speed of the water in the small holes and the evaporation speed can change the temperature of the material, so that the self-sensing of the bionic temperature self-sensing solar evaporator and the self-sensing of the temperature are realized.
The bionic evaporator can effectively absorb natural light by the aid of the internal main photo-thermal material under the natural light, and meanwhile, the lamellar structure can be favorable for refraction and diffraction of light inside, so that the absorption capacity of the material to the light is enhanced.
The bionic temperature self-sensing solar evaporator has the advantages that under the inspired of the tortoise shell, the high-efficiency bionic light absorption material suitable for direct writing printing is prepared by adopting various process methods, then the evaporator with the layered porous structure is prepared through various manufacturing processes, the functions of temperature self-sensing, evaporation capacity self-sensing and the like are realized, the functional diversity of the evaporator is greatly expanded, and meanwhile, the bionic temperature self-sensing solar evaporator has the advantages of being rapid, efficient, economical, simplifying the shaping and forming, and being capable of making corresponding contribution to the acquisition of water resources.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a bionic temperature self-sensing solar evaporator according to the present invention;
FIG. 2 is a schematic diagram of the working principle of a bionic evaporator according to the invention;
FIG. 3 is a schematic diagram of a bionic evaporator temperature self-sensing according to the present invention;
Fig. 4 is a graph of real-time monitoring data of a bionic temperature self-sensing solar evaporator according to the invention.
In the figure: 1—a transparent mask; 2-condensation cone; 3, a water receiving cup; 4, supporting rods; 5-a bionic evaporator; 6-an anode; 7-negative electrode; 8-a penstock; 9-a water storage bucket.
Detailed Description
Reference now will be made in detail to embodiments of the invention, one or more examples of which are described below. Each example is provided by way of explanation, not limitation, of the invention. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment.
Accordingly, it is intended that the present invention cover such modifications and variations as fall within the scope of the appended claims and their equivalents. Other objects, features and aspects of the present invention are disclosed in or will become apparent from the following detailed description. It is to be understood by one of ordinary skill in the art that the present discussion is a description of exemplary embodiments only, and is not intended as limiting the broader aspects of the present invention.
Example 1
The bionic evaporator 5 comprises a bionic photo-thermal material, the 3D printer prints the bionic photo-thermal material by using a DIW method, the bionic photo-thermal material is arranged layer by layer, the arrangement structure is similar to the lamellar arrangement of a turtle shell horny layer, then a printed and prepared sample is placed into a freezer for freeze drying, after freeze drying, a plurality of tiny pores can appear in the sample, the left and right sides of the sample after freeze drying are connected with a bionic evaporator anode 6 and a bionic evaporator cathode 7, the preparation of the bionic evaporator is completed, the evaporator is placed under sunlight, the bionic photo-thermal material in the bionic evaporator 5 can effectively absorb sunlight and convert the sunlight into heat, and under the action of the heat, water infiltrated in the bionic evaporator can be quickly evaporated.
Further, the bionic photo-thermal material is a conductive polymer composite material formed by compounding graphene, carbon nano tubes, carbon black, gold nano particles, nano particle silver and copper nano particle main photo-thermal material with polylactic acid, TPU, silica gel and latex polymer matrix material.
Example 2
A biomimetic evaporator of the above embodiment is used for evaporation and vaporization of sea water or water requiring distillation filtration.
Example 3
The invention relates to a bionic temperature self-sensing solar evaporator, which comprises a transparent shade 1, a transparent condensation cone 2, a water receiving cup 3, a supporting rod 4, a bionic evaporator 5, a bionic evaporator anode 6, a bionic evaporator cathode 7, a water diversion pipe 8, a water storage bucket 9 and the like. The transparent shade 1 is positioned outside the whole device, can transmit sunlight, and can resist external dust and sundries. The condensation cone 2 is located below the transparent shade 1, and is conical to condense the water vapor evaporated by the solar evaporator, so that the water vapor becomes water drops again. The water receiving cup 3 is positioned below the condensation cone 2 and is connected with the transparent shade 1 through the supporting rod 4, so that water drops falling from the condensation cone 2 can be collected, and the water drops are collected and then enter the water storage bucket 9 through the water conduit 8. The bionic evaporator 5 is positioned below the water receiving cup 3, and the lower part of the bionic evaporator is immersed into seawater or water to be distilled and filtered. The bionic evaporator 5 is provided with a micro-nano small hole structure, water can infiltrate into the small holes under the action of capillary force, carbon black nano particles in the bionic evaporator 5 can absorb sunlight entering from the transparent shade 1 and convert the sunlight into heat, and the rapid evaporation of water in the bionic evaporator 5 is promoted.
According to the bionic temperature self-sensing solar evaporator, as shown in fig. 2, one specific embodiment of the bionic temperature self-sensing solar evaporator is that a photo-thermal material of the bionic evaporator 5 is carbon black nano particles/polylactic acid polymer materials, the photo-thermal material is printed by a DIW method through a 3D printer, the photo-thermal material is arranged layer by layer, the arrangement structure is similar to the lamellar arrangement of the horny layer of a tortoise shell, and then a sample prepared by printing is placed into a freezing box for freeze drying. After freeze-drying, many tiny pores appear in the interior. And connecting the anode 6 of the bionic evaporator and the cathode 7 of the bionic evaporator on the left and right sides of the freeze-dried sample, thus completing the preparation of the bionic evaporator. Then the evaporator is placed under sunlight, carbon black nano particles in the bionic evaporator 5 can effectively absorb the sunlight and convert the sunlight into heat, and under the action of the heat, water infiltrated in the bionic evaporator can be quickly evaporated and vaporized.
According to the bionic temperature self-sensing solar evaporator, as shown in fig. 3, the principle of temperature sensing of the bionic evaporator 5 is that carbon black nano particles and polylactic acid polymer matrix materials are heated and expanded simultaneously, and the degree of thermal expansion of the carbon black nano particles in the evaporator is smaller than that of the polylactic acid polymer materials of the matrix, so that the space between the carbon black nano particles in the evaporator is increased, the resistance of the evaporator is increased, and the resistance of the evaporator is increased along with the increase of the temperature in a certain temperature range. The carbon black nano-ions in the embodiment can be replaced by graphene, carbon nano-tubes, gold nano-particles, nano-particle silver, copper nano-particles and the like, and the polylactic acid can be replaced by high polymer materials such as TPU, silica gel, latex and the like.
According to the bionic temperature self-sensing solar evaporator, the bionic evaporator 5 can absorb sunlight to convert into heat energy, and meanwhile, heat aggregation can be reduced through evaporation, so that the temperature can be controlled within a certain range. As shown in fig. 4, in the process of having solar irradiation throughout the day, since the solar light is most intense in noon, the temperature of the bionic evaporator 5 is the highest, the resistance thereof is gradually increased in the noon period, and the resistance thereof is gradually decreased in the afternoon period. Therefore, the evaporation efficiency of the solar evaporator can be known from the change condition of the resistance of the bionic evaporator 5. Further, when the resistance of the bionic evaporator 5 exceeds a certain limit, it is indicated that the temperature of the bionic evaporator 5 is too high, and at this time, the solar evaporator is very likely to be blocked and cannot perform normal water evaporation, so that the absorbed solar heat is too high and cannot timely dissipate heat through water evaporation, and the temperature of the evaporator is too high, so that the solar evaporator needs to be overhauled at this time.
Claims (6)
1. The bionic temperature self-sensing solar evaporator is characterized by comprising a transparent shade (1), a transparent condensation cone (2), a water receiving cup (3), a supporting rod (4), a bionic evaporator (5), a bionic evaporator positive electrode (6), a bionic evaporator negative electrode (7), a water conduit (8) and a water storage barrel (9), wherein the transparent shade (1) is positioned outside the whole device, can transmit sunlight and can resist external dust and sundries; the condensation cone (2) is positioned below the transparent shade (1) and is conical to condense the water vapor evaporated by the solar evaporator, so that the water vapor becomes water drops again; the water receiving cup (3) is positioned below the condensation cone (2), is connected with the transparent shade (1) through the supporting rod (4), can collect water drops dropping from the condensation cone (2), and collects the water drops into the water storage bucket (9) through the water guide pipe (8) after collecting the water drops; the bionic evaporator (5) is positioned below the water receiving cup (3), and the lower part of the bionic evaporator is immersed into seawater or water to be distilled and filtered; the bionic evaporator (5) is provided with a micro-nano small hole structure, water can infiltrate into the small holes under the action of capillary force, and the bionic evaporator (5) can absorb sunlight entering from the transparent shade (1) and convert the sunlight into heat so as to promote the rapid evaporation of water in the bionic evaporator (5);
The bionic evaporator (5) comprises a simulated photo-thermal material, the 3D printer prints the simulated photo-thermal material by using a DIW method, the simulated photo-thermal material is arranged layer by layer, the arrangement structure is similar to the layering arrangement of the horny layer of the tortoise shell, then a printed and prepared sample is put into a freezer for freeze drying, after freeze drying, a plurality of tiny pores appear in the sample, the left and right sides of the freeze dried sample are connected with a bionic evaporator positive electrode (6) and a bionic evaporator negative electrode (7) to finish the preparation of the bionic evaporator, then the bionic evaporator (5) is placed under sunlight, the bionic evaporator (5) can effectively absorb sunlight and convert the sunlight into heat, and under the action of the heat, water immersed in the bionic evaporator can be quickly evaporated;
the bionic photo-thermal material is a conductive polymer composite material formed by compositing any one of graphene, carbon nano tubes, carbon black, gold nano particles, silver nano particles and copper nano particles with any one of polylactic acid, TPU, silica gel and latex polymer matrix materials.
2. A bionic temperature self-sensing solar evaporator according to claim 1, wherein the main photo-thermal material and the polymer matrix material in the bionic evaporator (5) are heated and expanded simultaneously, the main photo-thermal material is heated and expanded to a smaller extent than the matrix material, so that the inter-particle distance of the main photo-thermal material in the bionic evaporator is increased, thereby causing the increase of the electrical resistance of the evaporator itself, and the electrical resistance of the evaporator is increased with the increase of the temperature in a certain temperature range.
3. A biomimetic temperature self-sensing solar evaporator according to claim 1, wherein the biomimetic evaporator (5) can reduce heat concentration by evaporation while absorbing sunlight and converting it into heat energy, so that the temperature is controlled within a certain range.
4. The bionic temperature self-sensing solar evaporator according to claim 1, wherein the bionic evaporator (5) has the highest resistance and gradually increases in the morning period and gradually decreases in the afternoon due to the highest temperature and the highest resistance in the solar irradiation process in the whole day, so that the evaporation efficiency of the solar evaporator can be known from the change condition of the resistance of the bionic evaporator (5); when the resistance value of the bionic evaporator (5) exceeds a certain limit, the temperature of the bionic evaporator (5) is too high, and the solar evaporator needs to be overhauled at the moment.
5. The bionic temperature self-sensing solar evaporator according to claim 1, wherein the bionic evaporator (5) can effectively absorb natural light by the internal main photo-thermal material under natural light, and meanwhile, the lamellar structure can be beneficial to refraction and diffraction of light inside, so that the absorption capacity of the material on the light is enhanced.
6. The bionic temperature self-sensing solar evaporator according to any one of claims 1-5 is used for evaporation and vaporization of seawater or water requiring distillation and filtration.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019086971A1 (en) * | 2017-10-30 | 2019-05-09 | King Abdullah University Of Science And Technology | Method and device for enhanced water production in solar-powered devices |
| CN113582273A (en) * | 2020-04-30 | 2021-11-02 | 中国科学院化学研究所 | Evaporator for seawater desalination and sewage purification, water purification method and solar evaporation water purification device |
| CN114560523A (en) * | 2022-04-01 | 2022-05-31 | 浙江浙能技术研究院有限公司 | Multistage solar photo-thermal membrane distillation seawater desalination device and method |
| CN216997752U (en) * | 2022-03-31 | 2022-07-19 | 武汉工程大学 | Seawater desalination device |
| CN115448401A (en) * | 2022-09-06 | 2022-12-09 | 青岛科技大学 | Solar seawater evaporator with self-floating jellyfish-like structure, preparation method and application |
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| US20210380437A1 (en) * | 2020-06-09 | 2021-12-09 | Peter Rosti | Solar ocean thermal energy seawater distillation system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019086971A1 (en) * | 2017-10-30 | 2019-05-09 | King Abdullah University Of Science And Technology | Method and device for enhanced water production in solar-powered devices |
| CN113582273A (en) * | 2020-04-30 | 2021-11-02 | 中国科学院化学研究所 | Evaporator for seawater desalination and sewage purification, water purification method and solar evaporation water purification device |
| CN216997752U (en) * | 2022-03-31 | 2022-07-19 | 武汉工程大学 | Seawater desalination device |
| CN114560523A (en) * | 2022-04-01 | 2022-05-31 | 浙江浙能技术研究院有限公司 | Multistage solar photo-thermal membrane distillation seawater desalination device and method |
| CN115448401A (en) * | 2022-09-06 | 2022-12-09 | 青岛科技大学 | Solar seawater evaporator with self-floating jellyfish-like structure, preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| CuO纳米颗粒仿生膜太阳能海水淡化实验研究;谢斐;李宏;吴家桦;;东方电气评论;20171225(第04期);全文 * |
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