WO2020232767A1

WO2020232767A1 - Energy circulating active convection oxygenating ecological floating island

Info

Publication number: WO2020232767A1
Application number: PCT/CN2019/090601
Authority: WO
Inventors: 吴丹丹; 孙优生; 彭晨; 彭博; 张华恒
Original assignee: 南京森淼环保科技有限公司
Priority date: 2019-05-22
Filing date: 2019-06-10
Publication date: 2020-11-26
Also published as: CN110104806B; CN110104806A

Abstract

The present invention provides an energy circulating active convection oxygenating ecological floating island. The energy circulating active convection oxygenating ecological floating island comprises a floating table, at least one oxygenating device, microbial beds, and landscape plants, wherein the floating table is fixed to a water surface by means of a fixing anchor; the oxygenating device and the landscape plants are fixed to the floating table, and the microbial beds are located underwater and connected to the lower surface of the floating table; electrolysis and vertical convection design is adopted by the oxygenating device, hydrogen generated by electrolysed water is recycled and converted into electric energy by using a hydrogen cell, and electric energy supplementation is performed in combination with a solar power supply device; the microbial beds are arranged in water below a floating body, and provides good living space for microorganisms. According to the present invention, energy consumption can be reduced by means of energy circulation; vertical convection is formed on a controlled water area while implementing molecular-grade oxygenating; the overall oxygen dissolving of the controlled water area is effectively improved; the vigor of the water is activated; benign ecological balance is auxiliarily built; and water quality improvement of the controlled water area and long-term maintenance of energy circulation are achieved.

Description

Energy cycle active convection and oxygenation ecological floating island

Technical field

The invention relates to the field of environmental protection technology and aquaculture, in particular to an ecological floating island with active convection and oxygenation of energy circulation.

Background technique

With the development of my country’s urbanization process, the urban population is densely populated, and the original urban sewage project is imperfect, causing a large amount of domestic sewage and industrial wastewater to be directly discharged into urban rivers, causing serious pollution of the river, and the emergence of a large number of black and smelly rivers, which seriously affects urban residents The health of the city has caused serious damage to the urban water ecology. The treatment of the Heiwu River has become the top priority in the treatment of environmental pollution. The more important issue for the treatment of the Heiwu River is the long-term maintenance in the later period. At present, artificial aeration and ecological floating island technologies are mostly used for the ecological reconstruction of the water system and the maintenance of water quality. Artificial aeration has the problems of high energy consumption and high cost for long-term operation; conventional ecological floating islands mostly rely on planting aquatic plants on floating islands to absorb excess nutrients in the water body to achieve the purpose of maintaining water quality. It has low efficiency and has no effect on improving the dissolved oxygen in the water body. Contribution, no effect on the bottom nutrient enrichment area of the water body, etc.

The most important reason for the blackness and odor of rivers is the large amount of pollutants discharged, which seriously exceeds the pollution-holding capacity of the urban river system. In addition to the poor mobility and water exchange capacity of the urban rivers, their self-purification ability is greatly inhibited, and further Intensified the pollution of urban rivers. For the black and smelly river that has been treated, the reconstruction of the water ecosystem and the long-term maintenance of water quality in the later stage are the ultimate goals of the black and smelly river.

In order to achieve long-term maintenance of water quality and establish a benign aquatic ecology, it is necessary to ensure that the water body has sufficient dissolved oxygen. At the same time, it is necessary to establish spatial convection of the water body, break the dissolved oxygen stratification of the water body, and provide sufficient living space for microorganisms. To reduce operating costs. Based on this, the present invention provides an energy cycle active convective oxygen-enhancing ecological floating island. The floating island adopts molecular-level aerators to perform molecular-level high-efficiency oxygenation of water bodies, and at the same time cooperates with the energy recovery of hydrogen fuel cells and solar power generation devices Energy replenishment to achieve high-efficiency molecular-level oxygenation.

Summary of the invention

The purpose of the present invention is to provide an ecological floating island with active convection and oxygenation of energy circulation, which realizes high-efficiency and three-dimensional aeration of water bodies.

In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

An energy cycle active convection and oxygen-enhancing ecological floating island, comprising a floating platform, at least one aeration device, a microbial fungus bed and landscape plants; the floating platform is fixed on the water surface by a fixed anchor;

The aeration device and landscape plants are fixed on the floating platform, and the microbial fungus bed is located underwater and connected to the lower surface of the floating platform;

The oxygen increasing device includes a housing, a driving device, a hydrogen fuel cell, an electrolysis device, and a power supply device, and the housing includes an upper housing section and a lower housing section that are connected;

The driving device is arranged above the upper section of the housing, and the drive shaft of the driving device extends into the upper section of the housing, is connected with the water sling wheel, and drives the water sling wheel to rotate;

At least one water spray port is provided on the outer side wall of the upper section of the housing, and the water spray port is connected to a water spray pipe;

The electrolysis device includes an electrolytic positive electrode and an electrolytic negative electrode; a plurality of holes are axially provided in the side wall of the upper section of the housing, and the electrolytic negative electrode is installed in the hole; the electrolytic positive electrode is fixed to the inner cavity of the upper section of the housing; Internal cavity communication;

The hydrogen fuel cell is connected to the electrolysis negative electrode of the electrolysis device through a hydrogen recovery pipeline, collects the hydrogen generated by the reaction of the electrolysis device, and stores the electric energy generated by the reaction in the energy storage device;

The power supply device is used to supply power to the electric device.

In the present invention, the floating platform adopts a block interlocking arrangement, and the blocks are connected to form floating islands through occlusion to form a device carrier.

As a further improvement of the present invention, the top of the upper section of the casing is closed, the cross section is circular, and the longitudinal section is rectangular; the bottom of the casing is open, the cross section is circular, and the longitudinal section is an isosceles trapezoid. The lower section of the shell can adjust the length and the diameter of the bottom opening according to the actual depth of the water area to meet the needs of the project. The water body enters the aeration equipment from the bottom of the lower section of the shell. The shell adopts this design method, which can ensure the sufficient water intake while keeping the water inlet flow rate very low, preventing the adsorption of debris, preventing debris from entering the equipment and blocking the pipeline, and avoiding the sludge at the bottom from stirring and changing the water body The turbidity affects the normal life of farmed fish and shrimp.

As a further improvement of the present invention, the water spray pipe is arranged tangentially to the upper section of the housing, and the horizontal extension direction of the water spray pipe is consistent with the rotation direction of the driving device. Further, the angle between the water spray pipe and the horizontal plane is -30° to 0°; the diameter of the water spray pipe is a gradual design, and the diameter of the water outlet>the diameter of the water inlet.

As a further improvement of the present invention, the through holes are opened radially along the upper section of the casing, and the level of the through holes is lower than the level of the bottom of the electrolytic negative electrode. The bottom of the electrolytic negative electrode is slightly higher than the position of the through hole, and the through hole is opened in the radial direction, that is, perpendicular to the side wall of the upper section of the housing, to avoid negative pressure due to the operation of high-speed water flow inside the equipment, and suck hydrogen into the equipment to achieve hydrogen and oxygen Efficient separation.

As a further improvement of the present invention, the electrolysis positive electrode has a ring structure and is fixed under the water spinner.

As a further improvement of the present invention, the longitudinal section of the hydrogen fuel cell is a gear-shaped design, which increases the contact area between hydrogen and oxygen in the air and the catalyst, and improves the reaction efficiency of the hydrogen fuel cell.

As a further improvement of the present invention, the hydrogen fuel cell is composed of several battery cells to form a fuel cell stack. The battery cells can be arranged in parallel, series, series and parallel according to actual needs.

As a further improvement of the present invention, the air inlet of the hydrogen fuel cell is provided with an air filter to filter the air entering the hydrogen fuel cell to prevent dust from being adsorbed on the surface of the hydrogen fuel cell catalyst and affect the efficiency of the catalyst.

As a further improvement of the present invention, the upper part of the hydrogen chamber of the hydrogen fuel cell is provided with an air inlet, and the bottom is provided with an air outlet. The air outlet is controlled by a one-way check valve, and only gas is allowed to exhaust from the hydrogen chamber. Allow outside air to enter the hydrogen chamber through the lower exhaust port. The upper part of the hydrogen chamber is provided with an air inlet for introducing hydrogen, and the lower part is provided with an exhaust port. The density of hydrogen is small. The water condensed from the original air in the hydrogen chamber and the water vapor carried by the hydrogen can be effectively discharged through the exhaust port, which is convenient for later maintenance. , Quickly exhaust air, ensure the purity of hydrogen in the hydrogen chamber, and improve reaction efficiency.

The air chamber of the hydrogen fuel cell is divided into an air outer chamber and an air inner chamber on both sides by two perforated separation plates; the perforated separation plate has holes diagonally upward; the air outer chamber is connected to an air filter, and the air A one-way check valve is arranged at the junction of the chamber and the air filter; a number of exhaust ports are arranged at the bottom of the air inner chamber, and the exhaust ports are controlled by a one-way check valve.

As a further improvement of the present invention, the air chamber of the hydrogen fuel cell is divided into an outer air chamber and an air inner chamber on both sides by two perforated partition plates; the perforated partition plates open holes diagonally upward to force air from the outer chamber When entering the inner chamber, the airflow is directly blown to the positive side of the hydrogen fuel cell to improve the reaction efficiency. The outer air chamber is connected to an air filter, and the connection between the outer air chamber and the air filter is provided with a one-way check valve, which only allows air to enter the outer chamber from the outside, and does not allow gas to retrograde; the bottom of the air inner chamber is provided with several The exhaust port and the exhaust port are controlled by a one-way check valve, which only allows air to be discharged from the air chamber, and does not allow air to flow backwards. This design scheme can ensure that the fuel cell is in a non-working state, the inner chamber is in a closed state, to ensure a certain humidity inside the cell, and to prevent the reduction of reaction efficiency caused by the low water content of the proton permeable membrane and the shrinkage of the proton permeable membrane after loss of water The proton permeable membrane is broken. The exhaust port at the bottom of the air chamber is connected to the heat dissipation fan of the driving device. The heat dissipation fan of the driving device is used to suck air into the positive side of the hydrogen fuel cell to increase the amount of air sucked in. While ensuring the rapid and efficient response of the hydrogen fuel cell, Heat the fuel cell.

As a further improvement of the present invention, the electrolytic positive electrode is arranged at a position 5-10 cm from the lower part of the water slinger, and is connected to the inner surface of the side wall of the upper section of the shell through a fixed rod. The fixed rod is made of insulating material or the same material as the electrolytic positive electrode; The electrolysis negative electrode spacing is controlled to be about 2cm, and the electrolysis voltage adopts a low voltage of 12V-24V.

As a further improvement of the present invention, the floating body is made of light materials such as plastic or foam.

As a further improvement of the present invention, the upper section of the housing is made of insulating material.

As a further improvement of the present invention, the bottom of the casing is provided with a dirt blocking net; the dirt blocking net is provided with square or circular holes, and the aperture is not greater than 0.5 cm. Blocking nets can prevent small fish or sundries in the water from entering the equipment and affecting the operation of the equipment.

As a further improvement of the present invention, a water-proof oil seal is provided at the bearing part where the transmission shaft and the water slinger are connected to prevent water from the lower part from entering the driving device.

As a further improvement of the present invention, the driving device is a waterproof DC speed reduction motor.

As a further improvement of the present invention, the power supply device is a solar power supply device; the electrical energy generated by the hydrogen fuel cell is stored in the energy storage device of the solar power supply device.

As a further improvement of the present invention, the microbial fungus bed is arranged on the side of the aerator to ensure sufficient oxygen supply.

The floating island of the present invention drives the water spinner to rotate through the driving device of the aerator to make the water form three-dimensional convection. At the same time as the motor is started, the electrolysis device is powered by the energy storage device to electrolyze the water entering the equipment, and the oxygen molecules generated by the electrolysis It is quickly taken away by the high-speed water flow inside the equipment and sprayed into the external waters to achieve molecular-level oxygen increase. In the electrolysis device of the present invention, the electrolytic positive electrode is placed in the inner cavity of the shell. When the device is running, a high-speed water flow is generated inside the electrolysis positive electrode. The oxygen generated is quickly taken away, and the density of hydrogen generated by the electrolytic negative electrode is small, and it quickly accumulates in the channel and enters the recovery pipeline; in addition, the bottom of the electrolytic negative electrode is slightly higher than the position of the through hole, and the through hole is vertical to the outer wall, avoiding the internal The operation of high-speed water flow generates negative pressure, which sucks hydrogen into the equipment, thereby realizing efficient separation of hydrogen and oxygen. The hydrogen produced by electrolysis enters the hydrogen fuel cell through the hydrogen recovery pipeline, generates electricity through the hydrogen fuel cell reaction, and is supplied to the energy storage device to realize energy circulation; the solar power supply device generates electricity under the action of sunlight, and is further supplied to the energy storage device to compensate Energy loss during the reaction to achieve energy balance. The arrangement of the microbial bacteria bed in the lower water body of the floating body provides a good living space for microorganisms, so that the sludge rich in organic matter at the bottom of the polluted water body is digested under the action of aerobic bacteria, and the three-dimensional convection brought by the aeration device can accelerate the digestion. Promote water quality restoration; landscape plants placed on the floating island can increase the overall aesthetics, and pollution-resistant landscape plants can also be used to promote water purification, so that the floating island of the present invention has the functions of beauty, oxygenation and purification, and can be improved in long-term operation Control the overall dissolved oxygen in the water area, activate the vitality of the water body, assist in the construction of a benign ecological balance, and realize the control of the water quality improvement of the water area and the long-term maintenance of the energy cycle.

Description of the drawings

Figure 1 is a cross-sectional view of the overall structure of the floating island of the present invention;

Among them, 100. Aeration device, 200. Microbial bed, 300. Landscape plants, 18. Floating platform, 19. Fixed anchor.

Figure 2 is a schematic diagram of the structure of the aerator;

Among them, 1. Drive device, 2. Waterproof oil seal, 3. Drive shaft, 4. Water spinner, 5. Hydrogen fuel cell, 6. Water spray pipe, 7. Electrolysis positive electrode, 8. Electrolysis negative electrode, 9. Upper section of the housing, 10. Flange, 11. Lower section of the housing, 12. Trash net, 13. Hydrogen recovery pipeline, 14. Air filter, 15. Hydrogen fuel cell unit, 16. Solar panel, 17. Energy storage device.

Figure 3 is a cross-sectional view of the water jet wheel.

Figure 4 is a longitudinal sectional view of a hydrogen fuel cell;

Among them, 20. One-way check valve, 21. Open hole isolation plate, 22. Air extraction port, 23. Hydrogen gas inlet, 24. Air exhaust port, 25. Hydrogen chamber, 26. Air inner chamber, 27. Air Outer room.

Figure 5 is a top view of a hydrogen fuel cell;

Among them, 28. Hydrogen fuel cell housing.

Figure 6 is a sectional view of a hydrogen fuel cell unit;

Among them, 29. Gas diffusion layer, 30. Catalyst layer, 31. Proton permeable membrane.

Figure 7 is a schematic cross-sectional structure diagram of the electrolysis device;

Among them, 32. Hole; 33. Fixed rod; 34. Through hole.

Detailed ways

The technical solution of the present invention will be further described below in conjunction with the description of the embodiments and the drawings.

Example 1

The ecological floating island as shown in FIG. 1 includes a floating platform 18, at least one aeration device 100, a microbial fungus bed 200 and landscape plants 300; the floating platform 18 is fixed on the water surface by a fixed anchor 19; the aeration device 100 and landscape plants 300 Fixed on the floating platform 18, the microbial bacteria bed 200 is located underwater and connected to the lower surface of the floating platform.

The structure of the oxygen increasing device 100 is shown in Figures 2-7, including a housing, a driving device 1, a hydrogen fuel cell 5, an electrolysis device and a power supply device. The housing includes an upper section 9 and a lower section 11 connected by a flange 10; The top of the upper section 9 is closed, the cross section is circular, and the longitudinal section is rectangular; the bottom of the shell lower section 11 is open, the cross section is circular, and the longitudinal section is an isosceles trapezoid.

The driving device 1 is a waterproof DC speed reduction motor, which is arranged above the upper section 9 of the housing. The drive shaft 3 of the driving device 1 extends into the upper section 9 of the housing, and is connected to the water slinger 4 to drive the water slinger 4 to rotate. A waterproof oil seal 2 is arranged at the bearing part where the transmission shaft 3 and the water thrower 4 are connected to prevent water from splashing into the transmission shaft 3. The spur wheel 4 is a three-blade or four-blade spur wheel, as shown in Figure 2.

The outer side wall of the upper section 9 of the shell is provided with at least one water spout, and the center height of the spout is the same as the center height of the water thrower 4; the spout is connected to the sprinkler pipe 6; The horizontal extension direction of the water pipe 6 is consistent with the rotation direction of the driving device 1. The angle between the water spray pipe 6 and the horizontal plane is -30°～0°; the diameter of the water spray pipe 6 is a gradual design, and the water outlet diameter>the water inlet diameter. In this embodiment, the diameter of the water outlet is 50-80mm, and the diameter of the water inlet is 40-50mm.

The structure of the electrolysis device is shown in Fig. 6, including the electrolysis positive electrode 7 and the electrolysis negative electrode 8. There are a number of holes 32 in the axial direction of the side wall of the upper section 9 of the housing. The holes 32 should be designed to avoid the opening of the water spout; the hole 32 is equipped with the electrolysis negative electrode. 8; The electrolysis positive electrode 7 is a ring structure, the electrolysis positive electrode 7 is set at the 5-10cm position of the lower part of the water spinner 4, and is connected to the inner surface of the side wall of the upper section 9 of the housing through a fixed rod 33. The fixed rod 33 is made of insulating material or the same as the electrolytic positive electrode Material; each channel 32 is provided with a through hole 34, the through hole 34 is perpendicular to the side wall of the housing, and communicates with the inner cavity of the upper section 9 of the housing, so that the electrolytic positive electrode 7 and the electrolytic negative electrode 8 are connected, and the level of the through hole 34 is lower than the electrolytic negative electrode 8. The horizontal height of the bottom. The distance between the electrolysis positive electrode and the electrolysis negative electrode is controlled to be about 2cm, and the electrolysis voltage adopts a low voltage of 12V-24V.

The hydrogen fuel cell 5 is connected to the electrolysis negative electrode 8 of the electrolysis device through a hydrogen recovery line 13 to collect the hydrogen generated by the reaction of the electrolysis device. The structure of the hydrogen fuel cell 5 is shown in FIGS. 3 to 5, and the longitudinal section is gear-shaped. The hydrogen fuel cell 5 can adopt the existing hydrogen fuel cell structure, including a hydrogen fuel cell housing 28, a hydrogen chamber 25 and an air chamber arranged in the housing, and a hydrogen fuel cell unit 15 for reaction is arranged between the hydrogen chamber and the air chamber. Its structure includes a gas diffusion layer 29, a catalyst layer 30 and a proton permeable membrane 31. In this embodiment, the air chamber of the hydrogen fuel cell is divided into an outer air chamber 27 and an inner air chamber 26 on both sides by two perforated partition plates 21; the perforated partition plate 21 has holes diagonally upward; the outer air chamber 27 is connected to the air filter A one-way check valve 20 is provided at the junction of the air outer chamber 27 and the air filter 14; a number of air exhaust ports 24 are provided at the bottom of the air inner chamber 26, and the air exhaust ports 24 at the bottom of the air inner chamber are connected to the drive The heat dissipation fan of the device 1 draws air into the anode side of the hydrogen fuel cell through the air suction port 22. The air exhaust port 24 is controlled by a one-way check valve 20. The upper part of the hydrogen chamber 25 of the hydrogen fuel cell 5 is provided with an air inlet 23, and the bottom is provided with an air outlet, and the air outlet is controlled by a one-way check valve 20.

In this embodiment, the hydrogen fuel cell 5 is composed of several battery cells to form a fuel cell stack, and the battery cells 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 on the top of the upper section 9 of the shell so that the whole shell is under water; the floating platform 18 is fixed by a fixed anchor 19.

The power supply device is a solar power supply device, including 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 casing is provided with a trash net 12; the trash net 12 is provided with a square or circular hole with a diameter of not more than 0.5 cm. Water enters the aeration device 100 from the bottom of the lower section 11 of the casing.

Put the floating island into the water body, turn on the power supply of the aerator 100, drive the drive shaft 3 and the water thrower 4 to rotate under the action of the waterproof DC motor 1, so that the lower body of water enters the equipment through the trash net 12, and the electrolysis device Start up, electrolyze the water entering the equipment, and generate oxygen molecules that are taken away by the high-speed water flow and sprayed to the external water body to achieve molecular-level oxygen increase in the water body. At the same time, the hydrogen produced by the electrolysis enters the hydrogen fuel cell 5 through the hydrogen recovery pipeline 13, and the hydrogen enters the hydrogen chamber 25 through the hydrogen gas inlet 23. The hydrogen passes through the gas diffusion layer 29 and contacts the catalyst layer 30. Through catalysis, the hydrogen molecules lose two The electrons become two protons. The electrons cannot pass through the proton permeable membrane 31 and can only enter the anode side of the fuel cell by circulating through the circuit. The protons can smoothly pass through the proton permeable membrane 31 and directly reach the anode side of the fuel cell, and are under the action of the catalyst. , The oxygen molecules in the air, the protons that reach the positive electrode side through the proton permeable membrane 31, and the electrons that circulate to the positive electrode side through the external circuit react to generate water. The chemical energy is converted into electrical energy through the reaction of the fuel cell to realize partial recovery of electrolytic energy, and the electrical energy is stored in the energy storage device 17 to cooperate with the electrical energy supplement of the solar power supply device to realize the molecular-level oxygen enrichment of possible quantity circulation.

During the operation of the floating island, the microbial bacteria bed 200 provides a good living space for microorganisms. At the same time, the microbial bacteria bed 200 is located on the side of the aerator 100, which can ensure sufficient oxygen supply. The aerator 100 protects the water body during operation. The nutrient-rich substances at the bottom are brought to the microbial fungus bed 200 through the circulating water flow, which greatly improves the efficiency of microbial water purification.

Landscape plants 300 are arranged on the upper part of the floating platform 18, which not only absorb pollutants in the water during the growth process of the landscape plants 300, but also play a role in beautifying the water environment.

The above are the preferred implementation examples of the present invention and are not intended to limit the invention. For those skilled in the art, referring to the detailed description of the present invention, the technical solutions of the aforementioned functional components can be modified, or some of the technical features can be equivalent. Replacement, any modification, equivalent replacement, improvement, etc., made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

An energy cycle active convection and oxygen-enhancing ecological floating island, which is characterized by comprising a floating platform (18), at least one aeration device (100), a microbial fungus bed (200) and landscape plants (300); the floating platform (18) Fixed on the water surface by a fixed anchor (19);

The aeration device (100) and landscape plants (300) are fixed on the floating platform (18), and the microbial fungus bed (200) is located underwater and connected to the lower surface of the floating platform;

The oxygen increasing device (100) includes a housing, a driving device (1), a hydrogen fuel cell (5), an electrolysis device, a power supply device, and an energy storage device (17), and the housing includes a connected housing upper section (9) and a housing In the lower section (11), the whole shell is located underwater;

The driving device (1) is arranged above the upper section (9) of the housing, and the drive shaft (3) of the driving device (1) extends into the upper section (9) of the housing, is connected to the water slinger (4), and drives the water slinger (4) Rotate

The outer side wall of the upper section (9) of the housing is provided with at least one water spray port, and the water spray port is connected with a water spray pipe (6);

The electrolysis device includes an electrolysis positive electrode (7) and an electrolysis negative electrode (8); a number of holes (32) are axially provided in the side wall of the upper section (9) of the housing, and the electrolysis negative electrode (8) is installed in the hole (32); 7) It is fixed to the inner cavity of the upper section (9) of the housing; each channel (32) is provided with a through hole (34) which communicates with the inner cavity of the upper section (9) of the housing;

The hydrogen fuel cell (5) is connected to the electrolysis negative electrode (8) of the electrolysis device through a hydrogen recovery pipeline (13), collects the hydrogen generated by the reaction of the electrolysis device, and stores the electric energy generated by the reaction to the energy storage device (17);

The power supply device is used to supply power to the electric device.
The active convection and oxygen-enhancing ecological floating island for energy circulation according to claim 1, characterized in that the top of the upper shell (9) is closed, the cross section is circular, and the vertical section is rectangular; the bottom of the shell lower section (11) It is open with a circular cross section and an isosceles trapezoid in vertical section.
The energy cycle active convection and oxygen-enhancing ecological floating island according to claim 1, wherein the water spray pipe (6) is arranged tangentially to the upper section (9) of the housing, and the water spray pipe (6) extends horizontally. It is consistent with the rotation direction of the driving device (1).
The energy cycle active convection and oxygen-enhancing ecological floating island according to claim 1, wherein the angle between the water spray pipe (6) and the horizontal plane is -30°～0°; the diameter of the water spray pipe (6) For a gradual design, the outlet diameter>the inlet diameter.
The energy cycle active convection and oxygen-enhancing ecological floating island according to claim 1, wherein the through holes (34) are radially opened along the upper section (9) of the housing, and the level of the through holes (34) is lower than that of the electrolysis The level of the bottom of the negative electrode (8).
The energy cycle active convection and oxygen-enhancing ecological floating island according to claim 1, wherein the electrolysis anode (7) has a ring structure and is fixed under the water slinger (4).
The energy cycle active convection and oxygen-enhancing ecological floating island according to claim 1, wherein the longitudinal section of the hydrogen fuel cell (5) is gear-shaped.
An energy cycle active convection oxygen-enhancing ecological floating island according to claim 1 or 7, characterized in that the hydrogen fuel cell (5) is composed of several battery cells to form a fuel cell stack, and the battery cells are connected in parallel, Arranged in series or series-parallel.
An energy cycle active convection oxygen-enhancing ecological floating island according to claim 1, wherein the upper part of the hydrogen chamber (25) of the hydrogen fuel cell (5) is provided with an air inlet (23) and an exhaust port (23) is provided at the bottom. The exhaust port is controlled by a one-way check valve (20).
An energy cycle active convection oxygen-enhancing ecological floating island according to claim 1, wherein the air chamber of the hydrogen fuel cell is divided into an air outer chamber (27) and an air chamber (27) by two perforated isolation plates (21). The air inner chambers (26) on both sides; the perforated isolation plate (21) is opened obliquely upward; the air outer chamber (27) is connected to the air filter (14), the air outer chamber (27) and the air filter ( 14) A one-way check valve (20) is provided at the connection; a number of exhaust ports (24) are provided at the bottom of the air inner chamber (26), and the exhaust port (24) at the bottom of the air inner chamber is connected to the driving device ( 1) For the cooling fan, the exhaust port (24) is controlled by a one-way check valve (20).