CN112012273B - Intelligent water collecting/taking device based on multifunctional MOF material - Google Patents
Intelligent water collecting/taking device based on multifunctional MOF material Download PDFInfo
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- CN112012273B CN112012273B CN202010760653.5A CN202010760653A CN112012273B CN 112012273 B CN112012273 B CN 112012273B CN 202010760653 A CN202010760653 A CN 202010760653A CN 112012273 B CN112012273 B CN 112012273B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
Abstract
The invention discloses an intelligent water collecting/taking device based on a multifunctional MOF material, which comprises a hemispherical upper cover, a graphene coating, a semiconductor condenser, a copper metal plate, an electric fan, a temperature and water level monitoring system and the like, and aims to provide an intelligent and convenient device for collecting and extracting water under the drought special extreme conditions such as deserts, plateaus and the like. The device mainly comprises water collecting and taking processes, wherein the water collecting process utilizes the excellent properties of the MOF material to be exposed in the air, and wet air is gathered on the surface of the MOF material through the forced convection of an electric fan and the generated pressure difference effect, so that the absorption is facilitated; the latter is to utilize the graphite alkene coating to absorb the moisture in the MOF material after the heat in the solar energy evaporates out, stores in the water storage tank after the effect of semiconductor condenser with the steam liquefaction. Temperature and the water level of collecting water can both intelligent monitoring in whole process, and the device has simple and convenient, and the practicality is high, portable, pollution-free and job stabilization's characteristics.
Description
Technical Field
The invention belongs to the technical field of new energy and energy conservation, and particularly relates to an intelligent water collecting/taking device based on a multifunctional MOF material.
Background
Statistically, about five hundred thousand people in the world face extremely poor water resources all year round, and about forty hundred million people live in an environment with severe water shortage for at least one month each year, which brings about a great challenge to human survival. Not only in the world, but also in some remote areas in northwest China in China, in extreme environmental zones such as Xinjiang, Tibet and the like with deserts, plateaus and the like, the drinking water problem also seriously affects the life and rest of people, and the happiness of the people is extremely reduced. In fact, the atmosphere in our lives contains a large amount of water, which accounts for about 10% of all fresh water resources of the earth, and if the water in the air can be collected and extracted for life, the inconvenience of people in water shortage areas caused by water resources can be relieved certainly. In addition, solar energy is also an inexhaustible, clean and pollution-free ideal energy source, and the combination of solar energy and energy-saving technology can greatly enhance the utilization degree of resources, realize energy conservation and emission reduction and reuse of waste resources
The Metal-Organic Frameworks (MOFs for short) refer to a class of crystalline porous materials with a periodic network structure formed by self-assembly of transition Metal ions and Organic ligands, and the materials have the excellent characteristics of high porosity, large specific surface area, regular topological structure and wide application range, and are involved in photocatalysis, electrocatalysis, photoelectrocatalysis, pollutant degradation and other processes. Also, the excellent structure of the MOF materials, such as MOF-801, UIO-66, ZIF-8 and the like, has good effect on water molecule adsorption, and has high binding capacity on water molecules due to the porosity and large volume of the materials, so that the materials have great application potential in the utilization of collected water and have been reported in the recent international scientific and academic research.
In order to realize the water collecting/taking function under the extreme drought conditions such as desert, plateau and the like, solve the current situation of lack of fresh water resources in remote areas, or prepare other easily-carried energy sources such as hydrogen and the like by using the collected water for military use, a simple experimental device is needed to be developed to realize the water absorption of the moisture in the atmosphere and convert the moisture into the water resources capable of being used. According to the invention, the water in the air is absorbed by virtue of the excellent structural characteristics of the MOF material, and then the heat carried by solar energy is utilized, the graphene material is taken as a medium and is transferred to the MOF material absorption plate, so that the absorbed water is evaporated and is liquefied into water by the semiconductor condenser and collected, and the problems can be well solved.
Disclosure of Invention
The invention aims to provide an intelligent water collecting/taking device based on a multifunctional MOF material, which can realize the water collecting/taking function under the drought extreme conditions of deserts, plateaus and the like.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
an intelligent water collecting/taking device based on a multifunctional MOF material comprises a hemispherical upper cover arranged at the top, a graphene coating arranged at the inner side of the hemispherical upper cover, a graphene coating temperature controller which is arranged outside the hemispherical upper cover, is tightly connected with the graphene coating and is used for detecting the temperature of the graphene coating, a cylindrical middle shell and a conical flow channel which are sequentially arranged under the hemispherical upper cover, built-in threads arranged between the hemispherical upper cover and the cylindrical middle shell and between the cylindrical middle shell and the conical flow channel, a round MOF material plate arranged at the inner side of the built-in threads and positioned between the hemispherical upper cover and the cylindrical middle shell, heat dissipation holes arranged at the side of the cylindrical middle shell, wire holes arranged below the heat dissipation holes, an L-shaped metal isolation ribbed plate arranged inside the cylindrical middle shell, and a semiconductor condenser arranged at the inner side of the vertical end of the L-shaped metal isolation ribbed plate, the copper metal plate that is the cockscomb structure that sets up in the vertical end outside of L type metal isolation floor, the setting is connected with the semiconductor condenser outside cylindrical middle shell, the semiconductor condenser temperature controller of control its temperature, the water storage tank that sets up below the toper runner sets up and links to each other with the water storage tank outside the water storage tank to a water storage tank water level monitor who is used for testing the water storage tank water level sets up the vent at same height with the semiconductor condenser, and set up in the vent outside, with the electric fan of vent size.
The invention has the further improvement that the inner side of the hemispherical upper cover is completely covered with the graphene coating, the graphene coating is connected with the graphene coating temperature controller, the excellent heat conduction performance of the graphene is utilized to fully absorb heat in solar energy, the surface temperature of the graphene coating is controlled by the graphene coating temperature controller, the graphene coating is supplemented and heated by the graphene coating temperature controller under the condition of insufficient solar energy, the absorbed heat is used for carrying out radiation heat exchange with an MOF material plate, and moisture absorbed in the MOF material plate is quickly and uniformly evaporated.
A further improvement of the invention is that the MOF material sheet is placed horizontally and just at the maximum diameter of the hemispherical top cover, which can fully absorb the heat absorbed by the graphene coating from the solar energy, thereby maximizing the water evaporation rate in the MOF material sheet.
The invention has the further improvement that the vertical part of the L-shaped metal isolation ribbed plate is arranged on the central axis of the cylindrical middle shell and is divided into the left part and the right part, so that the separation of air-cooled airflow and steam flow of the dry and wet space and the condensing module is realized, and the water collection loss is reduced.
The invention has the further improvement that a copper metal plate is arranged on the left side of the vertical part of the L-shaped metal isolation ribbed plate, and the opposite surface of the copper metal plate and the electric fan is in a sawtooth shape; a semiconductor condenser is arranged on the right side of the vertical part of the L-shaped metal isolation rib plate and is connected with a condenser temperature controller.
The invention has the further improvement that the positions of the vent and the semiconductor condenser are equal in height, the electric fan is arranged outside the vent, in the water collection stage, the pressure difference between the inside and the outside of the cylindrical middle shell can be formed through the rotation of the electric fan, the external wet air can quickly enter the working cavity, and the absorption of the MOF material plate on the water is accelerated; in the water taking stage, the copper metal plate is cooled by the semiconductor condenser to obtain lower temperature than the hot vapor from the MOF material plate, and the hot vapor can be fully liquefied into water under the forced convection action of the blast of the electric fan.
The invention has the further improvement that 9 heat dissipation holes are arranged on the back of the semiconductor condenser in a symmetrical array on the cylindrical middle shell, and the semiconductor condenser can quickly dissipate heat through the heat dissipation holes; the line hole is arranged right below the heat dissipation hole, so that the line inside the device can be conveniently placed.
A further improvement of the present invention is that the solar energy absorbed by the graphene coating is the energy carried by the natural sunlight that is irradiated to the device by the sun all the year round.
Compared with the prior art, the invention has the following advantages and effects:
1. the invention aims to provide an intelligent water collecting/taking device based on a multifunctional MOF material, which can realize the water collecting/taking function under the drought extreme conditions of deserts, plateaus and the like. The device has the advantages of simple structure, clear division of labor, light weight, portability and strong practicability.
2. The hemispherical graphite layer is adopted to absorb solar energy and convert the solar energy into heat energy, and compared with common single-plane heat collection, the solar heat collector has the advantage that the heat collection area is larger. The graphite has excellent heat-conducting property, the layer temperature can be rapidly and uniformly increased, the graphite and the MOF layer form high-efficiency radiation heat exchange, the moisture in the desorption layer is quickly evaporated, and the material property change caused by direct solar radiation is avoided. The temperature of the graphite coating is controlled in real time through a temperature controller, and when solar energy is weak, supplementary heating can be carried out through the controller coating, so that the normal operation of the whole device is ensured.
3. The L-shaped metal partition plate is added to the internal structure design of the main working cavity to realize the separation of dry space and wet space, and the air cooling airflow of the condensation module is separated from the steam flow, so that the water collection loss is reduced.
4. The ventilation opening structural design utilizes the fan to increase the flow velocity, reduces the intracavity pressure, realizes the dual function of forced convection and differential pressure drive air feed in the adsorption stage, accelerates the speed that MOF material board adsorbs the hydrone from the air, strengthens the heat transfer through thermal convection simultaneously, strengthens the condensation effect from the hot vapor of MOF material board.
5. The design of the sawtooth-shaped micro-channel metal vertical wall of the copper metal plate accelerates the speed of heat exchange, condensation and water collection, and the channels facilitate water collection.
6. The control system realizes an intermittent circulation function, namely, only the fan system of the air supply outlet is opened in the water collection stage, and the condensing system is simultaneously opened in the water taking stage, so that the water collection/taking period can be accurately controlled, and the energy conservation and the high efficiency are realized.
7. The temperature control system and the water level monitoring system realize the intellectualization of the system, and can monitor the temperature of the heat collection graphene top cover and the semiconductor condenser in real time and monitor the collection water level in real time.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the main working chamber, wherein fig. 2(a) is a front view and fig. 2(b) is a side view.
Description of reference numerals:
1 is the hemisphere upper cover, 2 is the graphite alkene coating, 3 is the MOF material board, 4 are built-in screw thread, 5 are L type metal isolation ribbed slab, 6 are cylindrical middle shell, 7 are the louvre, 8 are semiconductor condenser temperature controller, 9 are the line hole, 10 are the toper runner, 11 are the water storage tank, 12 are water storage tank water level monitor, 13 are the copper metal sheet, 14 are the semiconductor condenser, 15 are the vent, 16 are the electric fan, 17 are graphite alkene coating temperature controller.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the intelligent water collecting/taking device based on the multifunctional MOF material provided by the invention comprises a hemispherical upper cover 1, a graphene coating 2, a MOF material plate 3, internal threads 4, an L-shaped metal isolation rib plate 5, a cylindrical middle shell 6, a heat dissipation hole 7, a semiconductor condenser temperature controller 8, a wire hole 9, a tapered flow channel 10, a water storage tank 11, a water storage tank water level monitor 12, a copper metal plate 13, a semiconductor condenser 14, a ventilation opening 15, an electric fan 16, and a graphene coating temperature controller 17. The specific working process of the MOF heat collecting device mainly comprises two steps, wherein the first step is a water collecting process by utilizing the self excellent properties of the MOF material plate 3, the second step is a water collecting process by utilizing the heat of solar energy absorbed by the graphene coating 2 as a heat medium to evaporate water collected in the MOF material plate 3, and then the water vapor is liquefied into water by the convection refrigeration effect of the semiconductor condenser 14 to be collected.
Preferably, 1 inboard graphene coating 2 that covers of hemisphere upper cover, graphene coating 2 links to each other with graphene coating temperature controller 17, utilize the excellent heat conductivility of graphite alkene, fully absorb the heat among the solar energy, control 2 surface temperature of graphite alkene coating through graphene coating temperature controller 17, under the insufficient condition of solar energy, supply the heating to graphene coating 2 through graphene coating temperature controller 17, the absorbed heat is used for carrying out the radiation heat transfer with MOF material board 3, evaporate out absorbed moisture in the MOF material board 3 fast evenly.
Preferably, the MOF material sheet 3 is placed horizontally and just at the maximum diameter of the hemispherical top cover 1, and is able to absorb the heat absorbed by the graphene coating 2 from the solar energy sufficiently to maximize the rate of evaporation of water in the MOF material sheet 3.
Preferably, an L-shaped metal isolation rib plate 5 is arranged inside the cylindrical middle shell 6, the vertical part of the L-shaped metal isolation rib plate 5 is placed on the central axis of the cylindrical middle shell 6 and is divided into a left side part and a right side part, separation of air-cooled airflow and steam flow of the dry-wet space and the condensation module is achieved, and water collection loss is reduced.
Preferably, the copper metal plate 13 is disposed on the left side of the vertical portion of the L-shaped metal isolation rib plate 5, and the opposite surface of the copper metal plate and the electric fan 16 is zigzag, so that the contact area with the convection air can be increased, and the flow of the cooling water is facilitated. The semiconductor condenser 14 is placed on the right side of the vertical part of the L-shaped metal isolation rib plate 5 in the setting mode, the condenser is connected with the condenser temperature controller 8, an operator can accurately and flexibly control the temperature of the condenser according to actual conditions, and therefore the hot vapor from the MOF material plate (3) is better cooled and liquefied.
Preferably, a ventilation opening 15 is formed in the cylindrical intermediate case 6 at the same height as the semiconductor condenser 14, and an electric fan 16 is provided outside the ventilation opening 15. In the water collecting stage, the electric fan 16 rotates to form a pressure difference between the inside and the outside of the cylindrical middle shell 6, so that external wet air can quickly enter the working cavity, and the absorption of the MOF material plate 3 to water is accelerated; during the water extraction phase, the copper metal sheet 13, under the refrigeration of the semiconductor condenser 14, will attain a much lower temperature than the hot vapour from the MOF material sheet 3, so that the hot vapour can be sufficiently liquefied into water under the forced convection action of the blast of the electric fan 16.
Preferably, water storage tank 11 has been placed in main work cavity's below, and what link to each other with water storage tank 11 has water storage tank water level monitor 12, can carry out real-time supervision through water storage tank water level monitor 12 to the liquid water that obtains at the water intaking in-process, realizes the real-time supervision to the water storage capacity.
Preferably, in cylindrical middle shell 6, 9 louvres 7 behind semiconductor condenser 14, 9 louvres 7 are placed in symmetrical array, and semiconductor condenser 14 can dispel the heat through louvre 7 rapidly, ensures the stability of refrigeration effect. The line hole 9 is formed right below the heat dissipation hole 7, so that the line inside the device can be conveniently placed, and the integration of the whole device is enhanced.
Preferably, the solar energy absorbed by the graphene coating 2 is energy carried by natural sunlight which is irradiated to the device by the sun all the year round.
The operation of the device is described separately below:
in the water collecting process, the hemispherical upper cover 1, the cylindrical middle shell 6 and the conical flow passage 10 are assembled and connected through the built-in threads 4, and the built-in threads 4 are convenient for assembling and disassembling the whole device. The prepared MOF material plate 3 is flatly placed on the inner side of the built-in thread 4 and right below the hemispherical upper cover 1, then the electric fan 16 is turned on and is placed in a place needing water taking in a standing mode, and the water collecting process of the MOF material plate is completed after a period of time;
in the water intaking process, utilize the good heat conductivility of placing the graphene coating 2 below the hemisphere upper cover 1, fully absorb the heat in the solar energy to come the temperature of directional control coating through graphene coating temperature controller 17, when solar energy shines inadequately, can heat the coating through the controller according to actual demand and reach the settlement temperature. Graphene coating 2 that has the uniform temperature can carry out abundant radiation heat transfer with the MOF material board 3 that accomplishes the process of catchmenting, the moisture that will inhale in MOF material board 3 evaporates out, control the surface temperature of semiconductor condenser 14 through semiconductor condenser controller 8, under this refrigeration effect, copper metal plate 13 is accomplished abundant refrigeration process with the hot vapor that comes from MOF material board 3 under the forced convection influence of the blast air of electric fan 16, with the surface of vapor condensation to copper metal plate 13, zigzag runner on copper metal plate 13 is favorable to strengthening the heat transfer process, cooling water falls toper runner 10 down along the runner simultaneously and reaches water storage tank 11, water storage tank water level monitor 12 can observe the total amount of collecting water in real time, whole collection/water intaking process intelligent degree is high, and the device is light, and convenient to carry, high practicability.
Claims (4)
1. An intelligent water collecting/taking device based on a multifunctional MOF material is characterized by comprising a hemispherical upper cover (1) arranged at the top, a graphene coating (2) arranged at the inner side of the hemispherical upper cover (1), a graphene coating temperature controller (17) which is arranged outside the hemispherical upper cover (1), is tightly connected with the graphene coating (2) and is used for detecting the temperature of the graphene coating (2), a cylindrical middle shell (6) and a conical flow channel (10) which are sequentially arranged right below the hemispherical upper cover (1), a circular MOF material plate (3) which is arranged between the hemispherical upper cover (1) and the cylindrical middle shell (6) and between the cylindrical middle shell (6) and the conical flow channel (10) and is arranged at the inner side of the built-in thread (4) and positioned between the hemispherical upper cover (1) and the cylindrical middle shell (6), the solar energy collector comprises a heat dissipation hole (7) arranged at the side of a cylindrical middle shell (6), a line hole (9) arranged below the heat dissipation hole (7), an L-shaped metal isolation rib plate (5) arranged inside the cylindrical middle shell (6), a semiconductor condenser (14) arranged at the inner side of the vertical end of the L-shaped metal isolation rib plate (5), a copper metal plate (13) which is arranged at the outer side of the vertical end of the L-shaped metal isolation rib plate (5) and is in a sawtooth shape, wherein the sawtooth surface is opposite to an electric fan (16), the semiconductor condenser (14) is arranged at the right side of the vertical part of the L-shaped metal isolation rib plate (5), and the semiconductor condenser (14) is arranged outside the cylindrical middle shell (6) and is connected with the semiconductor condenser (14), the temperature control device comprises a semiconductor condenser temperature controller (8) for controlling the temperature of the semiconductor condenser, a water storage tank (11) arranged below a conical flow channel (10), a water storage tank water level monitor (12) which is arranged outside the water storage tank (11), connected with the water storage tank (11) and used for testing the water level of the water storage tank (11), a ventilation opening (15) arranged at the same height with the semiconductor condenser (14), and an electric fan (16) which is arranged outside the ventilation opening (15) and has the same size as the ventilation opening;
the inner side of the hemispherical upper cover (1) is completely covered with the graphene coating (2), the graphene coating (2) is connected with a graphene coating temperature controller (17), the excellent heat conduction performance of graphene is utilized, heat in solar energy is fully absorbed, the surface temperature of the graphene coating (2) is controlled through the graphene coating temperature controller (17), the graphene coating (2) is supplemented and heated through the graphene coating temperature controller (17) under the condition that solar energy is insufficient, the absorbed heat is used for carrying out radiation heat exchange with an MOF material plate (3), and moisture absorbed in the MOF material plate (3) is quickly and uniformly evaporated out;
the MOF material plate (3) is horizontally placed and is just positioned at the maximum diameter of the hemispherical upper cover (1), so that the heat absorbed by the graphene coating (2) from solar energy can be fully absorbed, and the evaporation rate of water in the MOF material plate (3) is maximized.
2. The intelligent water collecting/taking device based on the multifunctional MOF material is characterized in that the position of the vent (15) is equal to that of the semiconductor condenser (14), an electric fan (16) is arranged outside the vent (15), and in the water collecting stage, the pressure difference between the inside and the outside of the cylindrical middle shell (6) can be formed through the rotation of the electric fan (16), so that the outside wet air can quickly enter the inside of the working cavity, and the absorption of the MOF material plate (3) to water is accelerated; in the water taking stage, the copper metal plate (13) obtains a lower temperature than the hot vapor from the MOF material plate (3) under the refrigeration action of the semiconductor condenser (14), and the hot vapor can be fully liquefied into water under the forced convection action of the blast of the electric fan (16).
3. The intelligent water collecting/taking device based on the multifunctional MOF material is characterized in that 9 heat dissipation holes (7) are formed in the back of a semiconductor condenser (14) in the cylindrical middle shell (6), the 9 heat dissipation holes (7) are arranged in a symmetrical array, and the semiconductor condenser (14) can rapidly dissipate heat through the heat dissipation holes (7); the thread holes (9) are arranged under the heat dissipation holes (7), so that the threads in the device can be conveniently placed.
4. The intelligent water collection/extraction device based on multifunctional MOF materials according to claim 1, characterized in that the solar energy absorbed by the graphene coating (2) is the energy carried by the natural sunlight that is irradiated to the device by the sun all the year round.
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| ES2922885B2 (en) * | 2021-03-09 | 2023-05-16 | Gamboa Mendez Jose Ernesto | water harvester |
| CN114575417B (en) * | 2022-03-28 | 2022-11-04 | 哈尔滨工业大学 | Liquid water collector adopting valve control active air supply |
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