CN110104806B - Energy circulation active convection oxygenation ecological floating island - Google Patents
Energy circulation active convection oxygenation ecological floating island Download PDFInfo
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- CN110104806B CN110104806B CN201910430037.0A CN201910430037A CN110104806B CN 110104806 B CN110104806 B CN 110104806B CN 201910430037 A CN201910430037 A CN 201910430037A CN 110104806 B CN110104806 B CN 110104806B
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
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- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
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Abstract
The invention relates to an energy circulation active convection oxygenation ecological floating island, which comprises a floating platform, at least one oxygenation device, a microbial bed and landscape plants, wherein the floating platform is arranged on the upper surface of the floating platform; the floating platform is fixed on the water surface through a fixed anchor; the oxygenation device and the landscape plants are fixed on the floating platform, and the microbial bed is positioned under water and connected with the lower surface of the floating platform; the oxygen increasing device adopts electrolysis and up-down convection design, utilizes a hydrogen fuel cell to recover and convert hydrogen generated by electrolyzed water into electric energy, and is combined with a solar power supply device to supplement the electric energy; the microbial bed is arranged in the water body below the floating body to provide a good living space for the microbes. The invention can reduce energy consumption through energy circulation, realize molecular oxygen aeration, control the water area to form up-down convection, effectively improve the whole dissolved oxygen in the water area, activate the activity of the water body, assist in constructing benign ecological balance, and realize water quality improvement in the water area and long-term maintenance of energy circulation.
Description
Technical Field
The invention relates to the field of environmental protection technology and aquaculture, in particular to an energy circulation active convection oxygenation ecological floating island.
Background
Along with the development of the urbanization process of China, urban population is dense, the original urban pollution discharge project is imperfect, so that a large amount of domestic sewage and industrial wastewater are directly discharged to urban rivers, the rivers are seriously polluted, a large amount of black and odorous rivers appear, the body health of urban residents is seriously influenced, and the urban water ecology is seriously damaged. The treatment of the black and odorous river becomes the central importance for treating the environmental pollution. The problem of black and odorous river management, more crucial is long-term maintenance in later stage, and currently, artificial oxygenation and ecological floating island technologies are mostly adopted for water system ecological reconstruction and water quality maintenance. The problems of high energy consumption and high cost of the artificial oxygenation during long-term operation exist; the conventional ecological floating island is mainly dependent on aquatic plants planted on the floating island to absorb redundant nutrient substances in the water body so as to achieve the purpose of maintaining the water quality, and the ecological floating island has the problems of low efficiency, no contribution to improving dissolved oxygen in the water body, no effect on a nutrition enrichment area at the bottom layer of the water body and the like.
The most important reason for the black and odorous river is that a large amount of pollutants are discharged, the pollutant-receiving capacity of the urban river water system is seriously exceeded, and in addition, the flowability and the water exchange capacity of the urban river are poor, the self-cleaning capacity of the urban river is greatly inhibited, and the pollution degree of the urban river is further increased. For the treated black and odorous river, the later-stage water ecosystem reconstruction and long-term water quality maintenance are achieved, and the final purpose of black and odorous river treatment is achieved.
In order to realize long-term maintenance of water quality of a water body and establish benign water ecology, sufficient dissolved oxygen in the water body must be ensured, meanwhile, space convection of the water body needs to be established, dissolved oxygen layering of the water body is broken, sufficient microorganism living space is provided, and the like, and meanwhile, the operation cost is reduced to the maximum extent. Based on the above, the invention provides an energy circulation active convection oxygenation ecological floating island, which adopts a molecular-level aerator to carry out molecular-level efficient oxygenation on a water body, and is matched with energy recovery of a hydrogen fuel cell and energy supplement of a solar power generation device to realize efficient molecular-level oxygenation.
Disclosure of Invention
The invention aims to provide an energy circulation active convection oxygenation ecological floating island to realize efficient three-dimensional oxygenation of a water body.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an energy circulation active convection oxygenation ecological floating island comprises a floating platform, at least one oxygenation device, a microbial bed and landscape plants; the floating platform is fixed on the water surface through a fixed anchor;
the oxygenation device and the landscape plants are fixed on the floating platform, and the microbial bed is positioned underwater and connected with the lower surface of the floating platform;
the oxygen increasing device comprises a shell, a driving device, a hydrogen fuel cell, an electrolysis device and a power supply device, wherein the shell comprises an upper shell section and a lower shell section which are connected;
the driving device is arranged above the upper section of the shell, and a transmission shaft of the driving device extends into the upper section of the shell and is connected with the water throwing wheel to drive the water throwing wheel to rotate;
the outer side wall of the upper section of the shell is provided with at least one water spray nozzle, and the water spray nozzle is connected with a water spray pipe;
the electrolysis device comprises an electrolysis anode and an electrolysis cathode; a plurality of pore channels are axially arranged in the side wall of the upper section of the shell, and electrolytic cathodes are arranged in the pore channels; the electrolytic anode is fixed in the inner cavity of the upper section of the shell; each pore passage is provided with a through hole which is communicated with the inner cavity of the upper section of the shell;
the hydrogen fuel cell is connected with an electrolysis cathode of the electrolysis device through a hydrogen recovery pipeline, collects hydrogen generated by the reaction of the electrolysis device and stores electric energy generated by the reaction to the energy storage device;
the power supply device is used for supplying power to the electric device.
The floating platform is arranged in a block linkage mode, and the blocks are connected into a floating island through occlusion to form an equipment carrier.
As a further improvement of the invention, the top of the upper section of the shell is closed, the cross section of the shell is circular, and the longitudinal section of the shell is rectangular; the bottom of the lower section of the shell is open, the cross section of the shell is circular, and the longitudinal section of the shell is isosceles trapezoid. The length and the diameter of the bottom opening of the lower section of the shell can be adjusted according to the actual depth of the water area so as to adapt to the engineering requirement, and water enters the oxygenation equipment from the bottom of the lower section of the shell. The shell adopts this design, can be when guaranteeing enough inflow for the water inlet velocity of flow is very low, prevents to debris adsorption, prevents that debris from getting into equipment and blockking up the pipeline, avoids stirring the mud of bottom simultaneously, makes the muddy of water become, influences the normal life of breeding the fish and shrimp.
As a further improvement of the invention, the spray pipe is arranged in a way of being tangent to the upper section of the shell, and the horizontal extending direction of the spray pipe is consistent with the rotating direction of the driving device. Furthermore, the included angle between the water spraying pipe and the horizontal plane is-30-0 degrees; the diameter of the water spraying pipe is gradually changed, and the diameter of the water outlet is larger than that of the water inlet.
As a further improvement of the invention, the through hole is arranged along the radial direction of the upper section of the shell, and the horizontal height of the through hole is lower than that of the bottom of the electrolytic negative electrode. The bottom of the electrolysis cathode is slightly higher than the position of the through hole, and the through hole is formed along the radial direction, namely is vertical to the side wall of the upper section of the shell, so that the phenomenon that negative pressure is generated due to the operation of high-speed water flow in the equipment to suck hydrogen into the equipment is avoided, and the efficient separation of the hydrogen and the oxygen is realized.
As a further improvement of the invention, the electrolysis anode is of an annular structure and is fixed below the water throwing wheel.
As a further improvement of the invention, the longitudinal section of the hydrogen fuel cell is in a gear-shaped design, so that the contact area between hydrogen and oxygen in air and a catalyst is increased, and the reaction efficiency of the hydrogen fuel cell is improved.
As a further improvement of the invention, the hydrogen fuel cell is composed of a plurality of cell units to form a fuel cell stack, and the cell units can be arranged in parallel, series-parallel and the like according to actual requirements.
As a further improvement of the invention, the air inlet of the hydrogen fuel cell is provided with an air filter for filtering the air entering the hydrogen fuel cell, thereby preventing dust from being adsorbed on the surface of the catalyst of the hydrogen fuel cell and influencing the working efficiency of the catalyst.
As a further improvement of the invention, the upper part of the hydrogen chamber of the hydrogen fuel cell is provided with an air inlet, the bottom of the hydrogen chamber is provided with an air outlet, the air outlet is controlled by a one-way check valve, only air is allowed to be exhausted from the hydrogen chamber, and outside air is not allowed to enter the hydrogen chamber through the lower air outlet. Hydrogen chamber upper portion sets up the air inlet and lets in hydrogen, and the lower part sets up the gas vent, and hydrogen density is little, and the water that can effectually condense into with the indoor original air of hydrogen and the steam that hydrogen carried passes through the gas vent and discharges, and the later stage of being convenient for overhauls the back, and quick exhaust guarantees the purity of the indoor hydrogen of hydrogen, improves reaction efficiency.
The air chamber of the hydrogen fuel cell is divided into an air outer chamber and air inner chambers at two sides by two perforated partition plates; the perforated isolation plate is obliquely perforated upwards; the air outer chamber is connected with an air filter, and a one-way check valve is arranged at the joint of the air outer chamber and the air filter; the bottom of the air inner chamber is provided with a plurality of air outlets which are controlled by a one-way check valve.
As a further improvement of the invention, the air chamber of the hydrogen fuel cell is divided into an air outer chamber and two sides of the air inner chamber by two perforated partition plates; the perforated separation plate is perforated upwards in an inclined mode, air flow is directly blown to the positive electrode side of the hydrogen fuel cell when air is forced to enter the inner chamber from the outer chamber, and reaction efficiency is improved. The air outer chamber is connected with an air filter, a one-way check valve is arranged at the joint of the air outer chamber and the air filter, only air is allowed to enter the outer chamber from the outside, and gas is not allowed to flow backwards; the bottom of the air inner chamber is provided with a plurality of air outlets which are controlled by a one-way check valve, only air is allowed to be discharged from the air inner chamber, and air is not allowed to move backwards. This design can guarantee that fuel cell is under non-operating condition, and the inner chamber is in the confined state, guarantees the inside certain humidity of battery, prevents that proton osmotic membrane moisture content from crossing the reaction efficiency decline that leads to and proton osmotic membrane dehydration after shrink the proton osmotic membrane damage that arouses excessively. The air outlet at the bottom of the air inner chamber is connected with the cooling fan of the driving device, and the cooling fan of the driving device is utilized to suck air into the anode side of the hydrogen fuel cell, so that the air suction amount is increased, and the fuel cell is cooled while the quick and efficient reaction of the hydrogen fuel cell is ensured.
As a further improvement of the invention, the electrolytic anode is arranged at the position 5-10cm below the water throwing wheel and is connected with the inner surface of the side wall of the upper section of the shell through a fixed rod, and the fixed rod is made of an insulating material or the same material as the electrolytic anode; the distance between the electrolytic anode and the electrolytic cathode is controlled to be about 2cm, and the electrolytic voltage is 12V-24V.
As a further improvement of the invention, the floating body is made of light materials such as plastic or foam.
As a further improvement of the invention, the upper section of the shell is made of insulating materials.
As a further improvement of the invention, the bottom of the shell is provided with a trash rack; the trash screen is provided with square or round holes, and the aperture is not more than 0.5 cm. The blocking net can prevent small fish or sundries in water from entering the equipment to influence the operation of the equipment.
As a further improvement of the invention, a waterproof oil seal is arranged at the bearing part where the transmission shaft and the water throwing wheel are connected, so that water at the lower part is prevented from entering the driving device.
As a further improvement of the invention, the driving device is a waterproof direct current speed reduction motor.
As a further improvement of the invention, the power supply device is a solar power supply device; the electric energy generated by the hydrogen fuel cell is stored in an energy storage device of the solar power supply device.
As a further improvement of the invention, the microbial bed is arranged on the side surface of the oxygen increasing device to ensure that sufficient oxygen supply is obtained.
The floating island drives the water throwing wheel to rotate through the driving device of the oxygenation device, so that a water body forms three-dimensional convection, when the motor is started, the electrolysis device supplies power through the energy storage device to electrolyze water entering the equipment, oxygen molecules generated by electrolysis are rapidly taken away by high-speed water flow inside the equipment and sprayed to an external water area to realize molecular-level oxygenation, in the electrolysis device, an electrolysis anode is placed in an inner cavity of a shell, when the device runs, high-speed water flow can be generated inside the electrolysis device to rapidly take away oxygen generated by the electrolysis anode, hydrogen generated by an electrolysis cathode is low in density and rapidly upwards gathers in a pore channel to enter a recovery pipeline; in addition, the bottom of the electrolysis cathode is slightly higher than the position of the through hole, and the through hole is vertical to the outer wall, so that negative pressure generated by operation of high-speed water flow in the equipment is avoided, hydrogen is sucked into the equipment, and efficient separation of hydrogen and oxygen is realized. Hydrogen generated by electrolysis enters a hydrogen fuel cell through a hydrogen recovery pipeline, and is reacted by the hydrogen fuel cell to generate electric energy which is supplied to an energy storage device to realize energy circulation; the solar power supply device generates electric energy under the action of sunlight, and the electric energy is further supplied to the energy storage device to make up for energy loss in the reaction process so as to achieve energy balance. The microbial bed is distributed in the water body below the floating body, so that a good living space is provided for microbes, sludge rich in organic matters at the bottom of the polluted water body is digested under the action of aerobic bacteria, and the three-dimensional convection brought by the oxygenation device can accelerate digestion and promote water quality restoration; landscape plants arranged on the floating island can improve the integral aesthetic property, and pollution-resistant landscape plants can also be adopted to promote water quality purification, so that the floating island has the functions of beauty, oxygenation and purification, can promote and control the integral dissolved oxygen of a water area after long-term operation, activates the activity of the water body, assists in constructing benign ecological balance, and realizes the control of water quality improvement and long-term maintenance of energy circulation.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the floating island of the present invention;
wherein, 100 is an oxygenation device, 200 is a microbial bed, 300 is a landscape plant, 18 is a floating platform, and 19 is a fixed anchor.
FIG. 2 is a schematic view of the structure of the aerator;
the device comprises a driving device 1, a waterproof oil seal 2, a transmission shaft 3, a water throwing wheel 4, a hydrogen fuel cell 5, a water spray pipe 6, an electrolysis anode 7, an electrolysis cathode 8, a shell upper section 9, a flange 10, a shell lower section 11, a dirt blocking net 12, a hydrogen recovery pipeline 13, an air filter 14, a hydrogen fuel cell unit 15, a solar panel 16 and an energy storage device 17.
FIG. 3 is a cross-sectional view of a water slinger.
FIG. 4 is a longitudinal cross-sectional view of a hydrogen fuel cell;
the hydrogen-gas generator comprises a one-way check valve 20, an opening isolation plate 21, an air suction opening 22, a hydrogen inlet 23, an air outlet 24, a hydrogen chamber 25, an air inner chamber 26 and an air outer chamber 27.
FIG. 5 is a top view of a hydrogen fuel cell;
28, and 28. a hydrogen fuel cell shell.
FIG. 6 is a cross-sectional view of a hydrogen fuel cell unit;
wherein, 29 is gas diffusion layer, 30 is catalyst layer, 31 is proton permeable membrane.
FIG. 7 is a schematic sectional view of an electrolyzer;
wherein, 32, a pore channel; 33. fixing the rod; 34. a through hole.
Detailed Description
The technical solution of the present invention is further explained below with reference to the embodiment and the accompanying drawings.
Example 1
The ecological floating island shown in fig. 1 comprises a floating platform 18, at least one oxygen increasing device 100, a microbial bed 200 and landscape plants 300; the floating platform 18 is fixed on the water surface through a fixed anchor 19; the oxygenation device 100 and the landscape plants 300 are fixed on the floating platform 18, and the microbial bed 200 is positioned under water and connected with the lower surface of the floating platform.
The structure of the oxygenation device 100 is shown in fig. 2-7, and comprises a shell, a driving device 1, a hydrogen fuel cell 5, an electrolysis device and a power supply device, wherein the shell comprises a shell upper section 9 and a shell lower section 11 which are connected through a flange 10; the top of the upper section 9 of the shell is closed, the cross section is circular, and the longitudinal section is rectangular; the bottom of the lower section 11 of the shell is open, the cross section is circular, and the longitudinal section is isosceles trapezoid.
Drive arrangement 1 is waterproof direct current deceleration motor, sets up in shell upper segment 9 tops, and inside drive arrangement 1 transmission shaft 3 stretched into shell upper segment 9, the connection was got rid of water wheel 4, and the drive is got rid of water wheel 4 and is rotated. The bearing part of the transmission shaft 3 connected with the water throwing wheel 4 is provided with a waterproof oil seal 2 for sealing, and water splash is prevented from splashing into the transmission shaft 3. The water slinger 4 is a 3-blade or 4-blade water slinger as shown in figure 2.
The outer side wall of the upper section 9 of the shell is provided with at least one water spraying opening, and the central height of the water spraying opening is consistent with that of the water throwing wheel 4; the water spraying nozzle is connected with a water spraying pipe 6; the spray pipe 6 is arranged tangentially to the upper section 9 of the housing, and the horizontal extension direction of the spray pipe 6 is consistent with the rotation direction of the driving device 1. The included angle between the water spraying pipe 6 and the horizontal plane is-30-0 degrees; the diameter of the water spraying pipe 6 is designed in a gradual change way, and the diameter of the water outlet is larger than that of the water inlet. In the embodiment, the diameter of the water outlet is 50-80mm, and the diameter of the water inlet is 40-50 mm.
The electrolysis device has a structure as shown in FIG. 6, and comprises an electrolysis positive electrode 7 and an electrolysis negative electrode 8; a plurality of pore channels 32 are axially arranged in the side wall of the upper section 9 of the shell, and the pore channels 32 are designed to avoid the opening position of the water jet; the electrolytic cathode 8 is arranged in the pore channel 32; the electrolytic anode 7 is of an annular structure, the electrolytic anode 7 is arranged at the position 5-10cm below the water throwing wheel 4 and is connected with the inner surface of the side wall of the upper section 9 of the shell through a fixing rod 33, and the fixing rod 33 is made of an insulating material or the same material as the electrolytic anode; each pore canal 32 is provided with a through hole 34, the through hole 34 is vertical to the side wall of the shell and is communicated with the inner cavity of the upper section 9 of the shell, so that the electrolytic anode 7 and the electrolytic cathode 8 are communicated, and the horizontal height of the through hole 34 is lower than that of the bottom of the electrolytic cathode 8. The distance between the electrolytic anode and the electrolytic cathode is controlled to be about 2cm, and the electrolytic voltage is 12V-24V.
The hydrogen fuel cell 5 is connected to the electrolysis anode 8 of the electrolysis apparatus via a hydrogen recovery line 13, and collects hydrogen gas generated by the reaction of the electrolysis apparatus. The hydrogen fuel cell 5 has a structure as shown in FIGS. 3 to 5, and has a gear-shaped vertical section. The hydrogen fuel cell 5 may adopt an existing hydrogen fuel cell structure including a hydrogen fuel cell housing 28, a hydrogen gas chamber 25 and an air chamber provided in the housing, a hydrogen fuel cell unit 15 for reaction provided between the hydrogen gas chamber and the air chamber, and a structure including a gas diffusion layer 29, a catalyst layer 30 and a proton permeable membrane 31. In the present embodiment, the air chamber of the hydrogen fuel cell is divided into an air outer chamber 27 and two air inner chambers 26 by two perforated partition plates 21; the perforated isolation plate 21 is perforated obliquely upwards; the air outer chamber 27 is connected with the air filter 14, and a one-way check valve 20 is arranged at the joint of the air outer chamber 27 and the air filter 14; the air outlet 24 is connected to the heat radiation fan of the driving device 1, and air is sucked into the anode side of the hydrogen fuel cell through the suction opening 22. The air vent 24 is controlled using a one-way check valve 20. The hydrogen chamber 25 of the hydrogen fuel cell 5 is provided with an air inlet 23 at the upper part and an air outlet at the bottom, and the air outlet is controlled by a one-way check valve 20.
In this embodiment, the hydrogen fuel cell 5 is composed of a plurality of cell units, which form a fuel cell stack, and the cell units are arranged in parallel, series, or series-parallel.
The floating platform 18 is made of light materials such as plastic or foam and is fixed at the top of the upper section 9 of the shell, so that the whole shell is positioned under water; the floating platform 18 is secured by a tie-down anchor 19.
The power supply device is a solar power supply device and comprises a solar panel 16 and an energy storage device 17; the electrical energy generated by the hydrogen fuel cell 5 is stored in the energy storage device 17.
In this embodiment, the bottom of the lower section 11 of the housing is provided with a trash rack 12; the trash screen 12 is provided with a square or round hole with the aperture not larger than 0.5cm, and water enters the oxygenation device 100 from the bottom of the lower section 11 of the shell.
Put into the water with the chinampa, switch-on oxygenation device 100's power under waterproof direct current motor 1 effect, drives transmission shaft 3 and gets rid of water wheel 4 and rotate for inside lower part water passes through trash rack 12 entering equipment, electrolysis unit starts simultaneously, electrolyzes the inside water of entering equipment, and the production oxygen molecule is taken away by high-speed rivers, and sprays outside water, realizes the molecular level oxygenation to the water. Meanwhile, hydrogen generated by electrolysis enters the hydrogen fuel cell 5 through the hydrogen recovery pipeline 13, the hydrogen enters the hydrogen chamber 25 through the hydrogen inlet 23, the hydrogen contacts the catalyst layer 30 through the gas diffusion layer 29, hydrogen molecules lose two electrons through catalysis and become two protons, the electrons cannot pass through the proton permeable membrane 31 and only enter the anode side of the fuel cell through circuit circulation, the protons can smoothly pass through the proton permeable membrane 31 and directly reach the anode side of the fuel cell, and under the action of the catalyst, oxygen molecules in air, the protons reaching the anode side through the proton permeable membrane 31 and the electrons circularly reaching the anode side through an external circuit react to generate water. Chemical energy is converted into electric energy through the reaction of the fuel cell, partial recovery of electrolytic energy is realized, the electric energy is stored in the energy storage device 17, and molecular oxygen increasing with energy circulation is realized by matching with electric energy supplement of the solar power supply device.
In the floating island operation process, the microbial bed 200 provides a good living space for the microorganisms, and meanwhile, the microbial bed 200 is positioned on the side surface of the oxygenation device 100, so that sufficient oxygen supply can be ensured, and in the operation process of the oxygenation device 100, the eutrophic substances at the bottom of the water body are brought to the microbial bed 200 through the circulating water flow, so that the efficiency of purifying the water quality by the microorganisms is greatly improved.
The landscape plant 300 is arranged on the upper part of the floating platform 18, and the landscape plant 300 also plays a role in beautifying the water environment while absorbing pollutants in the water in the growth process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be appreciated by those skilled in the art that various modifications may be made to the embodiments described above, or equivalent arrangements may be made to replace some of the features of the present invention without departing from the spirit and the scope of the present invention.
Claims (7)
1. An energy circulation active convection oxygenation ecological floating island is characterized by comprising a floating platform (18), at least one oxygenation device (100), a microbial bed (200) and landscape plants (300); the floating platform (18) is fixed on the water surface through a fixed anchor (19);
the oxygenation device (100) and the landscape plant (300) are fixed on the floating platform (18), and the microbial bed (200) is positioned under water and connected with the lower surface of the floating platform;
the oxygenation device (100) comprises a shell, a driving device (1), a hydrogen fuel cell (5), an electrolysis device, a power supply device and an energy storage device (17), wherein the shell comprises an upper shell section (9) and a lower shell section (11) which are connected, and the whole shell is positioned under water;
the driving device (1) is arranged above the upper section (9) of the shell, and a transmission shaft (3) of the driving device (1) extends into the upper section (9) of the shell, is connected with the water throwing wheel (4) and drives the water throwing wheel (4) to rotate;
the outer side wall of the upper section (9) of the shell is provided with at least one water spray nozzle, and the water spray nozzle is connected with a water spray pipe (6);
the electrolysis device comprises an electrolysis positive electrode (7) and an electrolysis negative electrode (8); a plurality of pore channels (32) are axially arranged in the side wall of the upper section (9) of the shell, and electrolytic cathodes (8) are arranged in the pore channels (32); the electrolytic anode (7) is fixed in the inner cavity of the upper section (9) of the shell; each pore canal (32) is provided with a through hole (34) which is communicated with the inner cavity of the upper section (9) of the shell;
the hydrogen fuel cell (5) is connected with an electrolysis cathode (8) of the electrolysis device through a hydrogen recovery pipeline (13), collects hydrogen generated by the reaction of the electrolysis device, and stores electric energy generated by the reaction to an energy storage device (17);
the electrolytic anode (7) is of an annular structure and is fixed below the water throwing wheel (4); the longitudinal section of the hydrogen fuel cell (5) is in a gear shape; the air chamber of the hydrogen fuel cell is divided into an air outer chamber (27) and two air inner chambers (26) through two perforated partition plates (21); the perforated isolation plate (21) is perforated obliquely upwards; the air outer chamber (27) is connected with the air filter (14), and a one-way check valve (20) is arranged at the joint of the air outer chamber (27) and the air filter (14); the bottom of the air inner chamber (26) is provided with a plurality of exhaust ports (24), the exhaust ports (24) at the bottom of the air inner chamber are connected to a cooling fan of the driving device (1), and the exhaust ports (24) are controlled by a one-way check valve (20);
the power supply device is used for supplying power to the electric device.
2. The ecological floating island with the functions of energy circulation, active convection and oxygen increasing as claimed in claim 1, wherein the top of the upper section (9) of the shell is closed, the cross section of the upper section is circular, and the longitudinal section of the upper section is rectangular; the bottom of the lower section (11) of the shell is open, the cross section is circular, and the longitudinal section is isosceles trapezoid.
3. The ecological floating island with energy circulation, active convection and oxygen increasing functions as claimed in claim 1, wherein the water spraying pipes (6) are arranged tangentially to the upper section (9) of the housing, and the horizontal extension direction of the water spraying pipes (6) is consistent with the rotation direction of the driving device (1).
4. The ecological floating island with the functions of energy circulation, active convection and oxygen increasing as claimed in claim 1, wherein the included angle between the water spraying pipe (6) and the horizontal plane is-30-0 degrees; the diameter of the water spraying pipe (6) is designed to be gradually changed, and the diameter of the water outlet is larger than that of the water inlet.
5. The ecological floating island with the functions of energy circulation, active convection and oxygen increasing as claimed in claim 1, wherein the through holes (34) are formed along the radial direction of the upper section (9) of the shell, and the horizontal height of the through holes (34) is lower than that of the bottom of the electrolytic cathode (8).
6. The energy-cycle active-convection oxygenation ecological floating island according to claim 1, characterized in that the hydrogen fuel cell (5) is composed of a plurality of cell units forming a fuel cell stack, and the cell units are arranged in parallel, series or series-parallel.
7. The ecological floating island with energy circulation, active convection and oxygen increasing functions as claimed in claim 1, wherein an air inlet (23) is arranged at the upper part of a hydrogen chamber (25) of the hydrogen fuel cell (5), an air outlet is arranged at the bottom of the hydrogen chamber, and the air outlet is controlled by a one-way check valve (20).
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| CN201910430037.0A CN110104806B (en) | 2019-05-22 | 2019-05-22 | Energy circulation active convection oxygenation ecological floating island |
| PCT/CN2019/090601 WO2020232767A1 (en) | 2019-05-22 | 2019-06-10 | Energy circulating active convection oxygenating ecological floating island |
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| CN201910430037.0A CN110104806B (en) | 2019-05-22 | 2019-05-22 | Energy circulation active convection oxygenation ecological floating island |
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