CN110282830B

CN110282830B - Method applied to black and odorous water body treatment and biological ecological micro-dynamic floating island device

Info

Publication number: CN110282830B
Application number: CN201910627365.XA
Authority: CN
Inventors: 韩买良; 周保卫
Original assignee: Huadian Water Engineering Co ltd; Huadian Water Technology Co ltd
Current assignee: Huadian Water Engineering Co ltd; Huadian Water Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2024-06-28
Anticipated expiration: 2039-07-12
Also published as: GB202101425D0; WO2021008368A1; GB2588871A; GB2588871B; RU2760011C1; CN110282830A

Abstract

The invention relates to a method applied to black and odorous water body treatment, and belongs to the field of ecological environment treatment. In the method, a biological ecological micro-power floating island device is floatingly placed in a black and odorous water body to be treated, a biological carrier module and a plant module are arranged in a floating island box body in the biological ecological micro-power floating island device, a wind blade on the biological ecological micro-power floating island device is used for driving a wind driven air compressor to generate compressed air and store the compressed air in an air compression storage tank, and the compressed air in the air compression storage tank provides rotation, movement, aeration, water inflow and drainage of the floating island box body to finish the purification treatment of the black and odorous water body. The method realizes friendly fusion with the surrounding environment, does not need external power or fuel, and has high treatment efficiency, energy conservation and environmental protection. Meanwhile, the biological ecological micro-power floating island device has the characteristics of stability, high efficiency, land occupation saving and beautiful landscape.

Description

Method applied to black and odorous water body treatment and biological ecological micro-dynamic floating island device

Technical Field

The invention relates to a method applied to black and odorous water body treatment and a biological ecological micro-dynamic floating island device, belonging to the field of ecological environment treatment.

Background

A route map is defined for black and odorous water body treatment according to the water pollution control action plan, and a time table is defined, namely, black and odorous water bodies in built-up areas of China and above are controlled within 10% by 2020; by 2030, the black and odorous water body of the urban built-up area is totally eliminated. At present, in order to solve the problem of black and odorous water, the method is generally adopted, wherein polluted river water is lifted to a sewage treatment plant by a water pump through a pipeline, and is discharged into a river channel through the pipeline after standard reaching treatment. Therefore, not only engineering facilities such as newly built water pumping stations and large-scale sewage plants are needed, but also a large amount of urban land is occupied, urban roads or greening is destroyed, the overall construction cost is high, and the operation and maintenance cost is high.

Disclosure of Invention

The invention aims to provide a method applied to black and odorous water body treatment, which realizes friendly fusion with the surrounding environment, does not need external power and fuel, adopts synergistic aquatic plants and artificial fillers to strengthen biochemical treatment, has high treatment efficiency, saves energy and protects environment; meanwhile, the biological ecological micro-power floating island device applied to black and odorous water body treatment has the characteristics of stability, high efficiency, land occupation saving, energy saving, consumption reduction and beautiful landscape, and accords with the national development concept of green pollution control.

In order to solve the technical problems, the invention adopts the following technical scheme:

A method for treating black and odorous water body includes such steps as floating the biological ecological micro-dynamic floating island in the black and odorous water body, installing biological carrier module and plant module in the floating island box, and using the wind blades on the biological ecological micro-dynamic floating island to drive the air compressor to generate compressed air, and storing it in air compressing tank. The biological carrier module and the plant module are constructed to form an aquatic plant-artificial filler mud membrane symbiotic biological treatment system to form a biological three-dimensional food chain net so as to realize a biological ecological treatment function. The biological ecological micro-power floating island device is placed in the black and odorous water body to be treated to form a biological aerobic tank, and the floating, rotation, movement, aeration, water inlet and water discharge of the biological ecological micro-power floating island device can be realized without depending on natural energy by electric equipment, so that the purification treatment of the black and odorous water body is completed. Under a normal state, the biological ecological micro-dynamic floating island device floats in the black and odorous water body to rotate and is aerated, and at the moment, the black and odorous water body enters and exits the biological ecological micro-dynamic floating island device to realize purification; if the black and odorous water body in the area is purified, the biological ecological micro-power floating island device can be moved to other positions to continue rotating, and the black and odorous water body is purified.

According to the method for treating the black and odorous water body, the filler layers are arranged in each biological carrier module, the filler layers are curtain-type fiber filler layers, the curtain-type fiber filler layers are tightly woven from inside to outside to be loose, and the thickness of the curtain-type fiber filler material is 2-5mm. The curtain-type fiber filler layer is tightly woven from inside to outside to be loose, so that the material has anaerobic, facultative and aerobic microenvironment, has Synchronous Nitrification and Denitrification (SND) function, and improves the denitrification and dephosphorization capability of the system.

In the method for treating the black and odorous water body, the floating island box body is cylindrical, and a plurality of water inlet windows, water outlet windows with the same number as the water inlet windows and a plurality of air thrusters are uniformly arranged outside the floating island box body;

the normal work requires the biological ecological micro-power floating island device to rotate, the air propeller is arranged to form an included angle of 30-45 degrees with the tangent line outside the circular floating island box body, and the air propeller drives the floating island box body to rotate;

When the biological ecological micro-power floating island device is required to horizontally move, the air thrusters are arranged to form an included angle of 90 degrees with the outer tangent line of the circular floating island box body, one of the air thrusters is started according to the moving direction, and the rest air thrusters are all in a closed state, so that the air thrusters can drive the floating island box body to horizontally move. The working principle of the air propeller is that compressed air pushes a piston to run in a cylinder to drive a crankshaft to rotate to apply work, and the rotating motion of the crankshaft drives a propeller blade to rotate, so that the biological ecological micro-power floating island device is pushed to rotate or move.

The biological ecological micro-dynamic floating island device applied to the black and odorous water body treatment method comprises a floating island box body, a buoyancy rubber ring, a water inlet and outlet window, a pneumatic blade, a wind driven air compressor, an air compression storage tank and a tower barrel, wherein the buoyancy rubber ring is arranged on the periphery of the floating island box body, so that the floating island box body can stably float in the black and odorous water body, and a small sewage treatment facility on the black and odorous water body is formed. Specifically, the buoyancy rubber ring is fixed on the upper portion around the floating island box body, and the stability is better. An even number of water inlet and outlet windows are arranged at equal intervals around the floating island box body, and are communicated with the inside of the floating island box body; the water inlet and outlet windows are all arranged at equal heights on the floating island box body, and the arrangement mode enables the water inlet and outlet effect to be better. A hollow tower barrel is fixedly arranged in the middle of the top end of the floating island box body, an air compression storage tank is fixed on one side of the bottom of the tower barrel, a wind driven air compressor is arranged at the top of the tower barrel, and one side of the wind driven air compressor is connected with a wind blade through a transmission mechanism; a first connecting pipeline and a second connecting pipeline are further arranged in the tower barrel, one end of the first connecting pipeline is communicated with the wind driven air compressor, and the other end of the first connecting pipeline is communicated with the air compression storage tank; one end of the second connecting pipeline is communicated with the air compression storage tank, and the other end of the second connecting pipeline is led into the floating island box body for aeration. The wind blade arranged at the top of the tower barrel drives the wind driven air compressor to generate compressed air through the transmission mechanism and store the compressed air in the air compression storage tank, and the wind energy in nature is used as power to drive the wind driven air compressor to work; specifically, the transmission mechanism comprises a cross shaft, a first bevel gear, a second bevel gear and a vertical shaft, wherein one end of the cross shaft is provided with a wind moving blade, the other end of the cross shaft is horizontally connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is vertically connected with the vertical shaft, and one end of the vertical shaft, which is far away from the second bevel gear, is connected with the wind driven air compressor; the wind driven air compressor comprises a connecting rod, a piston and a cylinder body, wherein the vertical shaft is connected with one end of the connecting rod, the other end of the connecting rod is connected with the piston, the piston is arranged in the cylinder body in a sliding manner, and the end of the cylinder body, which is far away from the vertical shaft, is connected with the end of the first connecting pipeline. When the wind blade is acted by wind force, the wind blade performs circular motion around the transverse shaft and drives the first bevel gear, the second bevel gear and the vertical shaft to rotate, and the vertical shaft drives the connecting rod to enable the wind force to drive the air compressor piston and the cylinder body to generate relative motion, so that the effect of generating compressed air is achieved, external power and fuel are not needed in the process of generating the compressed air, and the wind blade is energy-saving and environment-friendly. The compressed air in the air compression storage tank provides rotation, movement and biochemical aeration for the biological ecological micro-power floating island device.

The biological ecological micro-dynamic floating island device is characterized in that an aeration pipe, a biological carrier module, a plant module and a fixing frame are arranged in the floating island box body, a plurality of plant modules and a plurality of biological carrier modules are arranged on the fixing frame, the aeration pipe is horizontally arranged at the bottom of the floating island box body, and the aeration pipe is communicated with the end part, far away from the air compression storage tank, of the second connecting pipeline. The biological carrier module and the plant module are arranged in the floating island box body to form a biochemical reaction tank, so that the biological ecological treatment function is realized. Specifically, microorganisms such as bacteria and fungus, protozoa and metazoan are attached to grow through a biological carrier module and a plant module, and a film biological sludge-biological film is formed on the microorganisms. The black and odorous water body is contacted with the biological membrane, organic pollutants in the black and odorous water body are taken up as nutrient substances by microorganisms on the biological membrane, the black and odorous water body is purified, and the microorganisms are multiplied. The biological carrier module and the plant module are adopted in the floating island box body as microorganism adhesion carriers, and the effect of removing pollutants in black and odorous water bodies is enhanced by constructing a highly diversified ecological system and utilizing the metabolism of microorganisms, aquatic plants, aquatic animals and the like in each secondary ecological system. The microorganism mainly grows on the carrier in an attached mode, so that the suspended sludge concentration can be reduced, the sludge yield is reduced, the oxygen transfer efficiency is improved, and meanwhile, the equivalent sludge concentration of the biochemical reaction tank is remarkably improved, and the sewage treatment efficiency is improved. On the premise of meeting the same effluent quality standard, the invention obviously reduces the hydraulic retention time of the biochemical reaction tank, reduces the volume of the floating island box body and saves the occupied area of the biological ecological micro-dynamic floating island device. In a word, biological carrier module and plant module root system combined action form the biomembrane, improve the mud density, and high-concentration fixed biomembrane technology of mud is stronger to quality of water yield impact load adaptability, forms stable high-efficient sewage treatment system. The root system of the plant module can also absorb nitrogen and phosphorus in the black and odorous water body, thereby playing an auxiliary role in nitrogen and phosphorus removal. The floating island box body adopts compressed air generated by the wind driven air compressor to perform aeration, and utilizes wind energy of the nature, does not need external power and fuel, and is more energy-saving and environment-friendly.

Further, the biological ecological micro-power floating island device further comprises a plurality of third connecting pipelines, a plurality of air thrusters are further arranged around the floating island box body at equal intervals, each air thruster is connected with a third connecting pipeline, the end part, away from the air thrusters, of each third connecting pipeline is communicated with the air compression storage tank, and valves are arranged on the third connecting pipelines. Each air propeller comprises a cylinder, a piston, a crankshaft and propeller blades, wherein the piston is arranged in the cylinder in a sliding manner, one end of the cylinder is communicated with the third connecting pipeline, one side, away from the third connecting pipeline, of the piston in the cylinder is connected with the crankshaft, and the propeller blades are installed at equal intervals at the end, away from the piston, of the crankshaft. The compressed air in the air compression storage tank is transmitted to the air propeller through the third connecting pipeline. The working principle of the air propeller is that compressed air pushes a piston to run in a cylinder to drive a crankshaft to rotate to apply work, and the rotating motion of the crankshaft drives a propeller blade to rotate, so that the biological ecological micro-power floating island device is pushed to rotate or move. Specifically, the propeller blades in the air propeller rotate along with the crankshaft, water is sucked from the suction surface of the propeller blades, water is discharged from the discharge surface, and the floating island box body is pushed to rotate or move by the reaction force of the water. The invention can realize the opening or closing of the air propeller through the opening and closing of the valve on the third connecting pipeline.

Further, in the biological ecological micro-power floating island device, the floating island box body is a cylinder, and when the floating island box body adopts a cylindrical structure, the external impact force is better, and the stability is better. The single water inlet and outlet window is a cylindrical structure formed by guide plates and with two open ends; the even number of water inlet and outlet windows are arranged on the circumference of the circular floating island box body at equal intervals, wherein, half of the guide plates of the water inlet and outlet windows on the circumference are arranged obliquely clockwise with the circumference of the circular floating island box body, and the other half of the guide plates of the water inlet and outlet windows on the circumference are arranged obliquely anticlockwise with the circumference of the circular floating island box body. That is, the arrangement mode ensures that the installation directions of the guide plates of the water inlet and outlet windows on the two sides of the circumference of the circular floating island box body are opposite, and the water inlet and outlet window on one side is always kept to realize the water inlet function, and the water inlet and outlet window on the other side is always kept to realize the water outlet function.

In the biological ecological micro-dynamic floating island device, the cross section inside the water inlet and outlet window is also provided with the plugboard capable of moving up and down. The shape of the plugboard is matched with the shape of the cross section of the water inlet and outlet window, and when the plugboard falls completely, the cross section of the water inlet and outlet window can be plugged; when the plugboard is arranged above the water inlet and outlet window, the water inlet and outlet window is in an unimpeded state; when the insert plate descends a part, the cross section of the water inlet and outlet window is blocked by a part. Through the mode, the size of the water passing part of the water inlet and outlet window can be adjusted, and the residence time of the black and odorous water body in the floating island box body can be controlled. Specifically, when the water quality of the black and odorous water body is poor, the water passing part of the water inlet and outlet window is reduced, and at the moment, the residence time of the black and odorous water body in the floating island box body is longer, so that the water quality purifying effect is better; when the black and odorous water body quality is good, the water passing part of the water inlet and outlet window is enlarged, the residence time of the black and odorous water body in the floating island box body is short, and the purifying effect can be realized without a long time.

According to the biological ecological micro-power floating island device, the air propeller and the outside of the floating island box body are rotatably connected, so that the arrangement angle of the air propeller is adjusted. Specifically, the air propeller is connected with the outside of the floating island box body through a pin shaft. According to the rotation or movement requirement of the floating island box body, the included angle between the air propeller and the tangent line on the periphery of the circular floating island box body can be manually adjusted, and the floating island box body is fixed through a pin shaft after adjustment. The normal operation needs the floating island box body to rotate, the air propeller is arranged to form an included angle of 30-45 degrees with the peripheral tangent line of the circular floating island box body, and the air propeller drives the floating island box body to rotate; in the rotating process, the water inlet and outlet windows are arranged on the two half circumferences of the circular floating island box body at opposite angles, so that water inlet of the water inlet and outlet windows on the common circumference can be realized without external force according to the principle of fluidics, and water is discharged from the water inlet and outlet windows on the other half circumference. When the biological ecological micro-power floating island device is required to horizontally move, the air thrusters are arranged to form an included angle of 90 degrees with the outer tangent line of the circular floating island box body, one of the air thrusters is started according to the moving direction, and the rest air thrusters are adjusted to be in a closed state by closing the valves on the corresponding third connecting pipelines, so that the air thrusters can drive the floating island box body to horizontally move. In addition, the compressed air released by the air propeller also has the biochemical aeration function on the black and odorous water body.

Furthermore, in the biological ecological micro-dynamic floating island device, the plants in each plant module are emergent aquatic plants. According to the invention, the biological carrier module and the plant module are arranged in the floating island box body, so that the performance optimization of the biological module is realized. Each biological carrier module consists of a carrier frame, a filler layer, a fastener and the like, wherein the filler layer is fixed in the carrier frame through the fastener, and the filler layer is a curtain-type fiber filler layer. The specific curtain type fiber filler layer is a curtain type ecological fiber layer, and the surface of the fiber is provided with a large number of micropores through hydrophilic treatment, so that the specific surface area is larger, and the adhesion of microbial films is facilitated. The curtain-type ecological fiber layer is tightly woven from inside to outside to be loose, so that the material has anaerobic, facultative and aerobic microenvironment, has Synchronous Nitrification and Denitrification (SND) function, and improves the denitrification and dephosphorization capability of the system. Each plant module is in a structure of 'planting net basket, screen mesh, matrix and plant' from outside to inside. Specifically, the field planting net basket is of an external frame structure, a matrix is arranged in the field planting net basket, plants are cultivated in the matrix, and a screen is arranged above the matrix for fixing in order to avoid matrix loss. Wherein the matrix can be ceramsite, etc. According to the invention, emergent aquatic plants are embedded in the plant module, so that an ecological system suitable for microbial growth and reproduction is constructed, partial organic matters in the black and odorous water body can be removed by utilizing plant growth, and an auxiliary biological carrier can be constructed by utilizing plant root systems, thereby reducing the residual sludge amount and purifying the odor generated in the black and odorous water body treatment process, and improving the landscape environment. Specifically, the emergent aquatic plant can be selected from rhizoma Phragmitis, herba Typhae, herba Oenanthes Javanicae, caulis Zizaniae Caduciflorae, flos Nelumbinis, typhae, rhizoma Sagittariae Sagittifoliae, and rhizoma Phragmitis. The root system of the plant module 10 can absorb nitrogen and phosphorus in the black and odorous water body, and plays an auxiliary role in nitrogen and phosphorus removal.

Compared with the prior art, the invention has the following advantages:

1. the invention is used for treating urban black and odorous water, has the characteristics of stability, high efficiency, land occupation saving, energy saving, consumption reduction and beautiful landscape, and accords with the national development concept of green pollution treatment;

2. The invention uses the wind energy in the natural world as power to drive the wind power to drive the air compressor to work, only uses the natural wind energy to work, has no exhaust emission and dangerous power devices, does not need external power and fuel, and has the advantages of energy conservation, environmental protection and safety; in addition, the compressed air released by the air propeller also has the biochemical aeration function on the black and odorous water body;

3. The biological carrier module and the plant module are arranged in the floating island box body, so that the biological ecological treatment function is realized. A synergistic aquatic plant-artificial filler mud membrane symbiotic biological treatment system is built in the floating island box body, a biological three-dimensional food chain net is formed, the equivalent sludge concentration reaches more than 8g/L, the sewage treatment efficiency is improved, the residence time of sewage in a reaction tank is reduced, and the volume of the floating island box body can be reduced by more than 40%. The biological film grows in the artificial stuffing, and has dissolved oxygen gradient and simultaneous nitrification and denitrification reaction, and the ammonia nitrogen eliminating rate is over 95% and total nitrogen eliminating rate is over 85%.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the present invention rotated clockwise and water in and out;

FIG. 5 is a schematic view of the present invention rotated counterclockwise and moved in and out of water;

FIG. 6 is a schematic illustration of the movement of the present invention;

FIG. 7 is another schematic illustration of the movement of the present invention;

FIG. 8 is a schematic diagram of a structure of a plugboard for plugging a water inlet and outlet window in the invention;

FIG. 9 is a schematic view showing a part of the structure of the insert plate in the water inlet and outlet window;

Fig. 10 is a schematic view of the structure of the insert plate above the water inlet and outlet window in the present invention.

Meaning of reference numerals: the device comprises a 1-floating island box body, a 2-buoyancy rubber ring, a 3-water inlet and outlet window, a 4-air propeller, 5-wind blades, a 6-wind driven air compressor, a 7-air compression storage tank, an 8-aeration pipe, a 9-biological carrier module, a 10-plant module, an 11-tower, a 12-first connecting pipeline, a 13-second connecting pipeline, a 14-fixing frame, a 15-third connecting pipeline, a 16-guide plate and a 17-plugboard.

The invention is further described below with reference to the drawings and the detailed description.

Detailed Description

Example 1 of the present invention: as shown in fig. 1-7, a method for treating black and odorous water body is provided, a biological ecological micro-power floating island device is floatingly placed in the black and odorous water body to be treated, a biological carrier module 9 and a plant module 10 are arranged in a floating island box body 1 in the biological ecological micro-power floating island device, a wind blade 5 on the biological ecological micro-power floating island device is used for driving a wind driven air compressor 6 to generate compressed air and store the compressed air in an air compression storage tank 7, the compressed air in the air compression storage tank 7 provides rotation, movement and aeration of the floating island box body 1, and the rotation of the floating island box body 1 realizes water inlet and drainage, so that the purification treatment of the black and odorous water body is completed. The biological carrier module 9 and the plant module 10 are constructed to form an aquatic plant-artificial filler mud membrane symbiotic biological treatment system to form a biological three-dimensional food chain net so as to realize a biological ecological treatment function. The biological ecological micro-power floating island device is placed in the black and odorous water body to be treated to form a biological aerobic tank, and the floating, rotation, movement, aeration, water inlet and water discharge of the biological ecological micro-power floating island device can be realized without depending on natural energy by electric equipment, so that the purification treatment of the black and odorous water body is completed.

Further, each biological carrier module 9 is internally provided with a filler layer, wherein the filler layer is a curtain-type fiber filler layer, the curtain-type fiber filler layer is tightly woven from inside to outside to be loose, and the thickness of the curtain-type fiber filler material is 2-5mm. Specifically, when the thickness of the curtain type fiber filler material is 3mm, the microorganisms are easy to demould after aging, the metabolism is good, and the activity of the microorganisms is maintained. The curtain-type fiber filler layer is tightly woven from inside to outside to be loose, so that the material has anaerobic, facultative and aerobic microenvironment, has Synchronous Nitrification and Denitrification (SND) function, and improves the denitrification and dephosphorization capability of the system.

Furthermore, the floating island box body 1 is cylindrical, and a plurality of water inlet windows, water outlet windows with the same number as the water inlet windows and a plurality of air thrusters 4 are uniformly arranged on the periphery of the floating island box body 1; the normal work requires the biological ecological micro-power floating island device to rotate, the air propeller 4 is arranged to form an included angle of 30-45 degrees with the peripheral tangent line of the circular floating island box body 1, the included angle is selected to be various and can be 33 degrees, 40 degrees and the like, and the air propeller 4 drives the floating island box body 1 to rotate; when the biological ecological micro-power floating island device is required to horizontally move, the air thrusters 4 are arranged to form an included angle of 90 degrees with the peripheral tangent line of the circular floating island box body 1, one of the air thrusters 4 is started according to the moving direction, and the rest air thrusters 4 are all in a closed state, so that the air thrusters 4 drive the floating island box body 1 to horizontally move. The working principle of the air propeller 4 is that compressed air pushes a piston to run in a cylinder to drive a crankshaft to rotate to apply work, and the rotating motion of the crankshaft drives a propeller blade to rotate, so that the biological ecological micro-power floating island device is pushed to rotate or move.

Example 2: as shown in fig. 1-3, the biological ecological micro-dynamic floating island device applied to the black and odorous water body treatment method comprises a floating island box body 1, a buoyancy rubber ring 2, a water inlet and outlet window 3, a wind blade 5, a wind driven air compressor 6, an air compression storage tank 7 and a tower 11, wherein the buoyancy rubber ring 2 is arranged around the floating island box body 1, and the buoyancy rubber ring 2 enables the floating island box body 1 to stably float in the black and odorous water body to form a small sewage treatment facility on the black and odorous water body. Specifically, the buoyancy rubber ring 2 is fixed on the upper portion around the floating island box body 1, and the stability is better. An even number of water inlet and outlet windows 3 are arranged at equal intervals on the periphery of the floating island box body 1, and the water inlet and outlet windows 3 are communicated with the inside of the floating island box body 1; the water inlet and outlet windows 3 are all arranged at equal heights on the floating island box body 1, and the arrangement mode enables the water inlet and outlet effect to be better. A hollow tower barrel 11 is fixedly arranged in the middle of the top end of the floating island box body 1, an air compression storage tank 7 is fixed on one side of the bottom of the tower barrel 11, a wind driven air compressor 6 is arranged on the top of the tower barrel 11, and one side of the wind driven air compressor 6 is connected with a wind blade 5 through a transmission mechanism; a first connecting pipeline 12 and a second connecting pipeline 13 are further arranged in the tower 11, one end of the first connecting pipeline 12 is communicated with the wind driven air compressor 6, and the other end of the first connecting pipeline 12 is communicated with the air compression storage tank 7; one end of the second connecting pipeline 13 is communicated with the air compression storage tank 7, and the other end of the second connecting pipeline 13 is led into the floating island box body 1 for aeration. The wind blade 5 arranged at the top of the tower 11 drives the wind driven air compressor 6 to generate compressed air through a transmission mechanism and stores the compressed air in the air compression storage tank 7, and the wind energy in nature is used as power to drive the wind driven air compressor 6 to work; specifically, the transmission mechanism comprises a cross shaft, a first bevel gear, a second bevel gear and a vertical shaft, wherein one end of the cross shaft is provided with a wind blade 5, the other end of the cross shaft is horizontally connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is vertically connected with the vertical shaft, and one end of the vertical shaft, which is far away from the second bevel gear, is connected with the wind driven air compressor 6; the wind driven air compressor 6 comprises a connecting rod, a piston and a cylinder body, wherein the vertical shaft is connected with one end of the connecting rod, the other end of the connecting rod is connected with the piston, the piston is slidably arranged in the cylinder body, and the end of the cylinder body away from the vertical shaft is connected with the end of the first connecting pipeline 12. When the wind blade 5 is acted by wind power, the wind blade performs circular motion around the transverse shaft and drives the first bevel gear, the second bevel gear and the vertical shaft to rotate, and the vertical shaft drives the connecting rod to enable the piston and the cylinder body of the wind driven air compressor 6 to perform relative motion, so that the effect of generating compressed air is achieved, external power and fuel are not needed in the process of generating the compressed air, and the wind blade is energy-saving and environment-friendly. The compressed air in the air compression storage tank 7 provides rotation, movement and biochemical aeration for the biological ecological micro-power floating island device.

Further, an aeration pipe 8, a biological carrier module 9, a plant module 10 and a fixing frame 14 are arranged in the floating island box body 1, one hundred plant modules 10 and one hundred forty four biological carrier modules 9 are arranged on the fixing frame 14, the aeration pipe 8 is horizontally arranged at the bottom of the floating island box body 1, and the aeration pipe 8 is communicated with the end part, far away from the air compression storage tank 7, of the second connecting pipeline 13. The biological carrier module 9 and the plant module 10 are arranged in the floating island box body 1 to form a biochemical reaction tank, so that the biological ecological treatment function is realized. Specifically, microorganisms such as bacteria and fungi, protozoa, metazoan, and micro-organisms such as metazoan are attached to and grown on the biological carrier module 9 and the plant module 10, and a film-forming biological sludge-biological film is formed thereon. The black and odorous water body is contacted with the biological membrane, organic pollutants in the black and odorous water body are taken up as nutrient substances by microorganisms on the biological membrane, the black and odorous water body is purified, and the microorganisms are multiplied. The biological carrier module 9 and the plant module 10 are adopted in the floating island box body 1 as microorganism adhesion carriers, and the effect of removing pollutants in black and odorous water bodies is enhanced by constructing a highly diversified ecological system and utilizing the metabolism of microorganisms, aquatic plants, aquatic animals and the like in each secondary ecological system. The microorganism mainly grows on the carrier in an attached mode, so that the suspended sludge concentration can be reduced, the sludge yield is reduced, the oxygen transfer efficiency is improved, and meanwhile, the equivalent sludge concentration of the biochemical reaction tank is remarkably improved, and the sewage treatment efficiency is improved. On the premise of meeting the same effluent quality standard, the invention obviously reduces the hydraulic retention time of the biochemical reaction tank, reduces the volume of the floating island box body 1 and saves the occupied area of the biological ecological micro-power floating island device. In a word, biological carrier module 9 and plant module 10 root system combined action form the biomembrane, improve the mud density, and high-concentration fixed biomembrane technology of mud is stronger to quality of water yield impact load adaptability, forms stable high-efficient sewage treatment system. The root system of the plant module 10 can also absorb nitrogen and phosphorus in the black and odorous water body, thereby playing an auxiliary role in nitrogen and phosphorus removal. The floating island box body 1 adopts compressed air generated by the wind driven air compressor 6 to perform aeration, and utilizes wind energy of the nature, does not need external power and fuel, and is more energy-saving and environment-friendly.

Specifically, the plants in each plant module 10 are emergent aquatic plants. The biological carrier module 9 and the plant module 10 are arranged in the floating island box body 1, so that the performance of the biological module is optimized. Each biological carrier module 9 consists of a carrier frame, a filler layer, a fastener and the like, wherein the filler layer is fixed in the carrier frame through the fastener and is a curtain-type fiber filler layer. The specific curtain type fiber filler layer is a curtain type ecological fiber layer, and the surface of the fiber is provided with a large number of micropores through hydrophilic treatment, so that the specific surface area is larger, and the adhesion of microbial films is facilitated. The curtain-type ecological fiber layer is tightly woven from inside to outside to be loose, so that the material has anaerobic, facultative and aerobic microenvironment, has Synchronous Nitrification and Denitrification (SND) function, and improves the denitrification and dephosphorization capability of the system. Each plant module 10 is configured from the outside to the inside as a "planting basket + screen + matrix + plant". Specifically, the field planting net basket is of an external frame structure, a matrix is arranged in the field planting net basket, plants are cultivated in the matrix, and a screen is arranged above the matrix for fixing in order to avoid matrix loss. Wherein the matrix can be ceramsite, etc. According to the invention, emergent aquatic plants are embedded in the plant module 10, so that an ecological system suitable for microbial growth and propagation is constructed, part of organic matters in the black and odorous water body can be removed by utilizing plant growth, and an auxiliary biological carrier can be constructed by utilizing plant root systems, thereby reducing the residual sludge amount and purifying the odor generated in the black and odorous water body treatment process, and improving the landscape environment. Specifically, the emergent aquatic plant can be selected from rhizoma Phragmitis, herba Typhae, herba Oenanthes Javanicae, caulis Zizaniae Caduciflorae, flos Nelumbinis, typhae, rhizoma Sagittariae Sagittifoliae, and rhizoma Phragmitis. The root system of the plant module 10 can absorb nitrogen and phosphorus in the black and odorous water body, and plays an auxiliary role in nitrogen and phosphorus removal.

Example 3: as shown in fig. 1-3, the biological ecological micro-dynamic floating island device applied to the black and odorous water body treatment method comprises a floating island box body 1, a buoyancy rubber ring 2, a water inlet and outlet window 3, a wind blade 5, a wind driven air compressor 6, an air compression storage tank 7 and a tower 11, wherein the buoyancy rubber ring 2 is arranged around the floating island box body 1, and the buoyancy rubber ring 2 enables the floating island box body 1 to stably float in the black and odorous water body to form a small sewage treatment facility on the black and odorous water body. Specifically, the buoyancy rubber ring 2 is fixed on the upper portion around the floating island box body 1, and the stability is better. An even number of water inlet and outlet windows 3 are arranged at equal intervals on the periphery of the floating island box body 1, and the water inlet and outlet windows 3 are communicated with the inside of the floating island box body 1; the water inlet and outlet windows 3 are all arranged at equal heights on the floating island box body 1, and the arrangement mode enables the water inlet and outlet effect to be better. A hollow tower barrel 11 is fixedly arranged in the middle of the top end of the floating island box body 1, an air compression storage tank 7 is fixed on one side of the bottom of the tower barrel 11, a wind driven air compressor 6 is arranged on the top of the tower barrel 11, and one side of the wind driven air compressor 6 is connected with a wind blade 5 through a transmission mechanism; a first connecting pipeline 12 and a second connecting pipeline 13 are further arranged in the tower 11, one end of the first connecting pipeline 12 is communicated with the wind driven air compressor 6, and the other end of the first connecting pipeline 12 is communicated with the air compression storage tank 7; one end of the second connecting pipeline 13 is communicated with the air compression storage tank 7, and the other end of the second connecting pipeline 13 is led into the floating island box body 1 for aeration. The wind blade 5 arranged at the top of the tower 11 drives the wind driven air compressor 6 to generate compressed air through a transmission mechanism and stores the compressed air in the air compression storage tank 7, and the wind energy in nature is used as power to drive the wind driven air compressor 6 to work; specifically, the transmission mechanism comprises a cross shaft, a first bevel gear, a second bevel gear and a vertical shaft, wherein one end of the cross shaft is provided with a wind blade 5, the other end of the cross shaft is horizontally connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is vertically connected with the vertical shaft, and one end of the vertical shaft, which is far away from the second bevel gear, is connected with the wind driven air compressor 6; the wind driven air compressor 6 comprises a connecting rod, a piston and a cylinder body, wherein the vertical shaft is connected with one end of the connecting rod, the other end of the connecting rod is connected with the piston, the piston is slidably arranged in the cylinder body, and the end of the cylinder body away from the vertical shaft is connected with the end of the first connecting pipeline 12. When the wind blade 5 is acted by wind power, the wind blade performs circular motion around the transverse shaft and drives the first bevel gear, the second bevel gear and the vertical shaft to rotate, and the vertical shaft drives the connecting rod to enable the piston and the cylinder body of the wind driven air compressor 6 to perform relative motion, so that the effect of generating compressed air is achieved, external power and fuel are not needed in the process of generating the compressed air, and the wind blade is energy-saving and environment-friendly. The compressed air in the air compression storage tank 7 provides rotation, movement and biochemical aeration for the biological ecological micro-power floating island device.

Further, the biological ecological micro-power floating island device further comprises a plurality of third connecting pipelines 15, a plurality of air thrusters 4 are further arranged around the floating island box body 1at equal intervals, each air thruster 4 is connected with one third connecting pipeline 15, the end part, far away from the air thrusters 4, of each third connecting pipeline 15 is communicated with the air compression storage tank 7, and valves are arranged on the third connecting pipelines 15. Each air propeller 4 comprises a cylinder, a piston, a crankshaft and propeller blades, wherein the piston is arranged in the cylinder in a sliding manner, one end of the cylinder is communicated with the third connecting pipeline 15, one side, away from the third connecting pipeline 15, of the piston in the cylinder is connected with the crankshaft, and the propeller blades are installed at equal intervals at the end, away from the piston, of the crankshaft. The compressed air in the air compression tank 7 is transferred to the air mover 4 via the third connecting conduit 15. The working principle of the air propeller 4 is that compressed air pushes a piston to run in a cylinder to drive a crankshaft to rotate to apply work, and the rotating motion of the crankshaft drives a propeller blade to rotate, so that the biological ecological micro-power floating island device is pushed to rotate or move. Specifically, the propeller blades in the air propeller 4 rotate together with the crankshaft, water is sucked from the suction surface of the propeller blades, water is discharged from the discharge surface, and the floating island box 1 is pushed to rotate or move by the reaction force of the water. The invention can realize the opening or closing of the air propeller 4 through the opening and closing of the valve on the third connecting pipeline 15. The working principle of the transmission mechanism driving the wind driven air compressor 6 to generate compressed air is opposite to that of the air propeller 4, one of the transmission mechanism is used for generating compressed air by wind power, and the other transmission mechanism is used for generating power by compressed air. The two sets of equipment can adopt the prior art.

Further, the floating island box body 1 is a cylinder; the floating island box body 1 can also adopt a cuboid and other structures, but when the floating island box body 1 adopts a cylindrical structure, the external impact force resistance is better, and the stability is better. The single water inlet and outlet window 3 is a cylindrical structure with two open ends and formed by guide plates 16; the even number of water inlet and outlet windows 3 are arranged on the circumference of the circular floating island box body 1 at equal intervals, wherein half of guide plates of the water inlet and outlet windows 3 on the circumference are arranged obliquely clockwise with the circumference of the circular floating island box body 1, and the other half of guide plates of the water inlet and outlet windows 3 on the circumference are arranged obliquely anticlockwise with the circumference of the circular floating island box body 1. That is, the arrangement mode ensures that the installation directions of the guide plates of the water inlet and outlet windows 3 on the two sides of the circumference of the circular floating island box body 1 are opposite, and the water inlet and outlet window 3 on one side is always kept to realize the water inlet function, and the water inlet and outlet window 3 on the other side is always kept to realize the water outlet function. Specifically, as shown in fig. 8 to 10, the single water inlet and outlet window 3 may be formed into a rectangular parallelepiped shape by four guide plates 16, a cylindrical shape by one guide plate 16, a polygonal shape by five guide plates 16, or the like.

The cross section of the inside of the water inlet and outlet window 3 is also provided with a plugboard 17 which can move up and down. Specifically, the shape of the insertion plate 17 is matched with the cross-sectional shape of the water inlet and outlet window 3. As shown in fig. 8, when the insert plate 17 is completely lowered, the cross section of the water inlet and outlet window 3 can be blocked. As shown in fig. 10, when the insert plate 17 is placed above the water inlet and outlet window 3, the water inlet and outlet window 3 is in an unobstructed state. As shown in fig. 9, when the insert plate 17 descends by a part, the cross section of the water inlet and outlet window 3 is blocked by a part as well. By the mode, the size of the water passing part of the water inlet and outlet window 3 can be adjusted, and the residence time of the black and odorous water body in the floating island box body 1 is further controlled. Specifically, when the water quality of the black and odorous water body is poor, the water passing part of the water inlet and outlet window 3 is reduced, and at the moment, the residence time of the black and odorous water body in the floating island box body 1 is longer, so that the water quality purifying effect is better; when the black and odorous water body quality is good, the water passing part of the water inlet and outlet window 3 is enlarged, the residence time of the black and odorous water body in the floating island box body 1 is short, and the purifying effect can be realized without a long time.

Specifically, four water inlet and outlet windows 3 are arranged at equal intervals on the periphery of the floating island box body 1, and the water inlet and outlet windows 3 are communicated with the inside of the floating island box body 1. Four air thrusters 4 are also installed at equal intervals on the periphery of the floating island box body 1, each air thruster 4 is connected with a third connecting pipeline 15, and the end part, far away from the air thrusters 4, of the third connecting pipeline 15 is communicated with the air compression storage tank 7.

Example 4: as shown in fig. 1-3, the biological ecological micro-dynamic floating island device applied to the black and odorous water body treatment method comprises a floating island box body 1, a buoyancy rubber ring 2, a water inlet and outlet window 3, a wind blade 5, a wind driven air compressor 6, an air compression storage tank 7 and a tower 11, wherein the buoyancy rubber ring 2 is arranged around the floating island box body 1, and the buoyancy rubber ring 2 enables the floating island box body 1 to stably float in the black and odorous water body to form a small sewage treatment facility on the black and odorous water body. Specifically, the buoyancy rubber ring 2 is fixed on the upper portion around the floating island box body 1, and the stability is better. An even number of water inlet and outlet windows 3 are arranged at equal intervals on the periphery of the floating island box body 1, and the water inlet and outlet windows 3 are communicated with the inside of the floating island box body 1; the water inlet and outlet windows 3 are all arranged at equal heights on the floating island box body 1, and the arrangement mode enables the water inlet and outlet effect to be better. A hollow tower barrel 11 is fixedly arranged in the middle of the top end of the floating island box body 1, an air compression storage tank 7 is fixed on one side of the bottom of the tower barrel 11, a wind driven air compressor 6 is arranged on the top of the tower barrel 11, and one side of the wind driven air compressor 6 is connected with a wind blade 5 through a transmission mechanism; a first connecting pipeline 12 and a second connecting pipeline 13 are further arranged in the tower 11, one end of the first connecting pipeline 12 is communicated with the wind driven air compressor 6, and the other end of the first connecting pipeline 12 is communicated with the air compression storage tank 7; one end of the second connecting pipeline 13 is communicated with the air compression storage tank 7, and the other end of the second connecting pipeline 13 is led into the floating island box body 1 for aeration. The wind blade 5 arranged at the top of the tower 11 drives the wind driven air compressor 6 to generate compressed air through a transmission mechanism and stores the compressed air in the air compression storage tank 7, and the wind energy in nature is used as power to drive the wind driven air compressor 6 to work; specifically, the transmission mechanism comprises a cross shaft, a first bevel gear, a second bevel gear and a vertical shaft, wherein one end of the cross shaft is provided with a wind blade 5, the other end of the cross shaft is horizontally connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is vertically connected with the vertical shaft, and one end of the vertical shaft, which is far away from the second bevel gear, is connected with the wind driven air compressor 6; the wind driven air compressor 6 comprises a connecting rod, a piston and a cylinder body, wherein the vertical shaft is connected with one end of the connecting rod, the other end of the connecting rod is connected with the piston, the piston is slidably arranged in the cylinder body, and the end of the cylinder body away from the vertical shaft is connected with the end of the first connecting pipeline 12. When the wind blade 5 is acted by wind power, the wind blade performs circular motion around the transverse shaft and drives the first bevel gear, the second bevel gear and the vertical shaft to rotate, and the vertical shaft drives the connecting rod to enable the piston and the cylinder body of the wind driven air compressor 6 to perform relative motion, so that the effect of generating compressed air is achieved, external power and fuel are not needed in the process of generating the compressed air, and the wind blade is energy-saving and environment-friendly. The compressed air in the air compression storage tank 7 provides rotation, movement and biochemical aeration for the biological ecological micro-power floating island device.

Further, the biological ecological micro-power floating island device further comprises a plurality of third connecting pipelines 15, a plurality of air thrusters 4 are further arranged around the floating island box body 1 at equal intervals, each air thruster 4 is connected with one third connecting pipeline 15, the end part, far away from the air thrusters 4, of each third connecting pipeline 15 is communicated with the air compression storage tank 7, and valves are arranged on the third connecting pipelines 15. Each air propeller 4 comprises a cylinder, a piston, a crankshaft and propeller blades, wherein the piston is arranged in the cylinder in a sliding manner, one end of the cylinder is communicated with the third connecting pipeline 15, one side, away from the third connecting pipeline 15, of the piston in the cylinder is connected with the crankshaft, and the propeller blades are installed at equal intervals at the end, away from the piston, of the crankshaft. The compressed air in the air compression tank 7 is transferred to the air mover 4 via the third connecting conduit 15. The working principle of the air propeller 4 is that compressed air pushes a piston to run in a cylinder to drive a crankshaft to rotate to apply work, and the rotating motion of the crankshaft drives a propeller blade to rotate, so that the biological ecological micro-power floating island device is pushed to rotate or move. Specifically, the propeller blades in the air propeller 4 rotate together with the crankshaft, water is sucked from the suction surface of the propeller blades, water is discharged from the discharge surface, and the floating island box 1 is pushed to rotate or move by the reaction force of the water. The invention can realize the opening or closing of the air propeller 4 through the opening and closing of the valve on the third connecting pipeline 15.

The air propeller 4 is rotatably connected with the outside of the floating island box body 1 so as to adjust the angle of the air propeller 4. Specifically, the air propeller 4 is connected with the outside of the floating island box 1 through a pin shaft. According to the rotation or movement requirement of the floating island box body 1, the included angle between the air propeller 4 and the peripheral tangent line of the circular floating island box body 1 can be manually adjusted, and the floating island box body is fixed through a pin shaft after adjustment. As shown in fig. 4 and 5, the floating island box body 1 is required to rotate in normal operation, the air propeller 4 is arranged to form an included angle of 30-45 degrees with the peripheral tangent line of the circular floating island box body 1, specifically, the water inlet and outlet effect is better when the peripheral tangent line is 45 degrees, and the air propeller 4 can well drive the floating island box body 1 to rotate at the moment; in the rotating process, as the water inlet and outlet windows 3 are arranged on the two half circumferences of the circular floating island box body 1 in an opposite angle, water inlet and outlet windows 3 on the common circumference can be realized without external force according to the principle of fluidics, and water is discharged from water inlet and outlet windows 3 on the other half circumference. As shown in fig. 6 and 7, when the biological ecological micro-power floating island device is required to move horizontally, the air thrusters 4 are arranged to form an included angle of 90 degrees with the peripheral tangent line of the circular floating island box body 1, one of the air thrusters 4 is opened according to the moving direction, and the rest of the air thrusters 4 are adjusted to be in a closed state by closing the valves on the corresponding third connecting pipelines 15, so that the air thrusters 4 drive the floating island box body 1 to move horizontally. In addition, the compressed air released by the air propeller 4 also has the biochemical aeration function on the black and odorous water body.

Specifically, six water inlet and outlet windows 3 are arranged at equal intervals on the periphery of the floating island box body 1, and the water inlet and outlet windows 3 are communicated with the inside of the floating island box body 1. Six air thrusters 4 are also installed at equal intervals on the periphery of the floating island box body 1, each air thruster 4 is connected with a third connecting pipe 15, and the end part, far away from the air thrusters 4, of the third connecting pipe 15 is communicated with the air compression storage tank 7.

Claims

1. A method applied to black and odorous water body treatment is characterized in that a biological ecological micro-power floating island device is placed in a black and odorous water body to be treated in a floating way, a biological carrier module (9) and a plant module (10) are arranged in a floating island box body (1) in the biological ecological micro-power floating island device, a wind driven air compressor (6) is driven by a wind driven blade (5) on the biological ecological micro-power floating island device to generate compressed air and store the compressed air in an air compressed storage tank (7), the compressed air in the air compressed storage tank (7) provides rotation, movement and aeration of the floating island box body (1), and the rotation of the floating island box body (1) realizes water inlet and drainage to finish the purification treatment of the black and odorous water body; the floating island box body (1) is cylindrical, and a plurality of water inlet windows, water outlet windows with the same number as the water inlet windows and a plurality of air thrusters (4) are uniformly arranged on the periphery of the floating island box body (1); the normal work requires the biological ecological micro-power floating island device to rotate, the air propeller (4) is arranged to form an included angle of 30-45 degrees with the peripheral tangent line of the circular floating island box body (1), and the air propeller (4) drives the floating island box body (1) to rotate; when the biological ecological micro-power floating island device is required to horizontally move, the air thrusters (4) are arranged to form an included angle of 90 degrees with the peripheral tangent line of the circular floating island box body (1), one of the air thrusters (4) is started according to the moving direction, and the rest air thrusters (4) are all in a closed state, so that the air thrusters (4) drive the floating island box body (1) to horizontally move; the biological ecological micro-power floating island device comprises a floating island box body (1), a buoyancy rubber ring (2), water inlet and outlet windows (3), wind blades (5), a wind driven air compressor (6), an air compression storage tank (7) and a tower (11), wherein the buoyancy rubber ring (2) is arranged around the floating island box body (1), an even number of water inlet and outlet windows (3) are arranged around the floating island box body (1) at equal intervals, and the water inlet and outlet windows (3) are all communicated with the inside of the floating island box body (1); a hollow tower barrel (11) is fixedly arranged in the middle of the top end of the floating island box body (1), an air compression storage tank (7) is fixed on one side of the bottom of the tower barrel (11), a wind driven air compressor (6) is arranged at the top of the tower barrel (11), and one side of the wind driven air compressor (6) is connected with a wind blade (5) through a transmission mechanism; a first connecting pipeline (12) and a second connecting pipeline (13) are further arranged in the tower barrel (11), one end of the first connecting pipeline (12) is communicated with the wind driven air compressor (6), and the other end of the first connecting pipeline (12) is communicated with the air compression storage tank (7); one end of the second connecting pipeline (13) is communicated with the air compression storage tank (7), and the other end of the second connecting pipeline (13) is led into the floating island box body (1) for aeration.

2. The method for treating black and odorous water body according to claim 1, wherein each biological carrier module (9) is internally provided with a filler layer, wherein the filler layer is a curtain-type fiber filler layer, and the curtain-type fiber filler layer is tightly woven to be loose from inside to outside.

3. The biological micro-dynamic floating island device applied to the black and odorous water body treatment method according to any one of claims 1-2, wherein an aeration pipe (8), a biological carrier module (9), a plant module (10) and a fixing frame (14) are arranged in the floating island box body (1), a plurality of plant modules (10) and a plurality of biological carrier modules (9) are arranged on the fixing frame (14), the aeration pipe (8) is horizontally arranged at the bottom of the floating island box body (1), and the aeration pipe (8) is communicated with the end part, far away from the air compression storage tank (7), of the second connecting pipeline (13).

4. The biological ecological micro-power floating island device according to claim 3, further comprising a plurality of third connecting pipelines (15), wherein a plurality of air thrusters (4) are further arranged around the floating island box body (1) at equal intervals, each air thruster (4) is connected with one third connecting pipeline (15), the end part, far away from the air thrusters (4), of each third connecting pipeline (15) is communicated with the air compression storage tank (7), and valves are arranged on the third connecting pipelines (15).

5. The biological ecological micro-power floating island device according to claim 4, wherein the floating island box body (1) is a cylinder; the single water inlet and outlet window (3) is a cylindrical structure with two open ends and formed by guide plates (16); the even number of water inlet and outlet windows (3) are arranged on the circumference of the circular floating island box body (1) at equal intervals, wherein, half of the guide plates of the water inlet and outlet windows (3) on the circumference are arranged obliquely clockwise with the circumference of the circular floating island box body (1), and the other half of the guide plates of the water inlet and outlet windows (3) on the circumference are arranged obliquely anticlockwise with the circumference of the circular floating island box body (1).

6. The biological ecological micro-power floating island device according to claim 5, wherein a plugboard (17) capable of moving up and down is further arranged on the cross section of the interior of the water inlet and outlet window (3).

7. The biological ecological micro-power floating island device according to claim 5, wherein the air propeller (4) is rotatably connected with the outside of the floating island box body (1).

8. A biological and ecological micro-dynamic floating island device according to claim 3, characterized in that the plants in each plant module (10) are emergent aquatic plants.