CN218810860U - Ecological floating island system for coping with drought - Google Patents

Abstract

The utility model relates to an ecological chinampa system of reply arid, including water pump (6) and water pressure inductor (11), ecological bed (2) that floats install in the recess of annular clean water basin (4), movable mounting one solar cell panel (1) between two to six ecological beds (2), annular clean water basin (4) lower part is through fixed connection kickboard (5), the lower surface of kickboard (5) under solar cell panel (1) passes through hose and rope connection water pump (6), water pump (6) pass through pipe connection annular clean water basin (4), the inboard lower part of annular clean water basin sets up the apopore; the feed spreader is suspended in the center of the annular water purifying pool through a bracket. The method can effectively restore eutrophic water, purify urban industrial sewage and domestic sewage and treat aquaculture wastewater while ensuring ornamental value, can provide shelter for aquatic animals in drought, and can effectively protect the ecological environment of the water under drought conditions.

Description

Ecological floating island system coping with drought

Technical Field

The utility model relates to an ecological chinampa specifically is an ecological chinampa system of reply arid.

Background

The ecological floating island technology becomes a popular research point for water body restoration, and is mainly applied to restoration of eutrophic water bodies, purification of urban industrial sewage and domestic sewage, treatment of aquaculture wastewater, increase of urban landscaping environment and the like. With the continuous and deep research of related technologies, the ecological floating island is also continuously improved from the traditional ecological floating island (combination of floating island and plant) to the reinforced and functional ecological floating island (combination of floating island, plant and other). However, in view of the current research situation, there is still a gap in the method of using the ecological floating island to cope with extreme drought changes. In addition, the problems of high manual management cost, poor stress resistance, lack of utilization of interaction influence of different organisms and the like exist in the application of the ecological floating island. Meanwhile, how to realize the emergency protection of aquatic animals such as fishes, shrimps, crabs and the like in the original ecological system under the drought condition is also a difficult point.

In order to solve these problems, although the ecological floating island with chinese patent No. CN108529752A solves the problem of how to purify water and adapt to the growth requirements of multi-level aquatic plants by using a unique tubular floating island, it does not solve the problem of how to protect aquatic animals during drought.

Disclosure of Invention

To the problem that above-mentioned prior art exists, the utility model provides an ecological chinampa system of reply arid effectively restores eutrophic water when can providing ornamental value, purifies urban industrial sewage, domestic sewage and handles aquaculture wastewater to can create the microbial habitat effectively when the arid, can effectively protect water ecological environment under the arid condition.

In order to achieve the above object, the utility model discloses a following technical scheme realizes: the utility model provides a reply arid ecological chinampa system, includes solar cell panel, ecological bed, apopore, annular clean water reservoir, kickboard, water pump, box with a net, fodder spreader, box basin shield curtain, basin shield curtain slide rail and water pressure inductor, the ecological bed of floating install in the recess of annular clean water reservoir, movable mounting solar cell panel between two to six ecological beds of floating, through sealed container installation controller and battery in the annular clean water reservoir recess under the solar cell panel, fixed connection kickboard is passed through to annular clean water reservoir lower part, hose and rope connection water pump are passed through to the kickboard lower surface under the solar cell panel, the water pump passes through pipe connection annular clean water reservoir, the apopore is seted up to the inboard lower part of annular clean water reservoir. The bottom of a solar panel stored in the annular water purifying pool is provided with a control device, and the angle of the solar panel can be adjusted through a controller, so that the irradiation of the sun can be obtained to the maximum extent, and enough electric energy can be stored through photoelectric conversion. After enough electric quantity is stored, the water is used as power energy to provide electric energy for the water pump, water in the pond is pumped into the annular water purifying pond, the water body starts to be purified under the action of microorganisms and aquatic plants, and the water pump also plays a role in providing oxygen. The controller controls the switch of the pump, and the water pump stops pumping water when the water purification tank is full of water through calculation. After a period of microbial and plant decontamination, the pump is turned on to pump water into the pond. At the moment, water in the purified water purifying pond returns to the pond through the inverted U-shaped drainage pipeline and the water outlet hole according to the siphon principle. The feed spreader is suspended in the air in the center of the annular water purifying pool through a bracket; the feed spreader opens a single device each time with the frequency of twice a day (the specific time and frequency can be adjusted according to the actual situation) to guide organisms such as fish, shrimp and crab to gather into a pit for feeding, thereby forming a habitual behavior, being convenient for efficiently guiding the fish, shrimp and crab to enter a protection device, and dispersedly arranging a plurality of floating island devices which are the same as the floating island devices according to the specific water body conditions of an actual ecological system, mutually nesting the devices to form a floating island ecological system, when the water level and the oxygen consumption are at a safe level, big and small artificial pits below the floating island are connected to carry out natural circulation, when the water level in the single system reaches a warning line, a folding plate automatically unfolds to block the fish, shrimp and crab outside the floating island system from entering, and the safety of the fish, shrimp and crab in the system is maintained. Meanwhile, intelligent water level alarming is adopted, and when the water level in a certain floating island is too low, a signal can be sent to the mobile phone through the sensor. The water level and the oxygen content in the pit body can be increased through the water delivery of the water delivery system and the aeration of the pump, the guarantee of the survival of fishes is increased, water is supplemented into the annular water purification tank through the water pump when the water source of the pond is sufficient, and the evaporation is reduced by the closed net cage in a drought state; the annular inner side of the annular water purification pool is fixedly provided with a box-type water tank shielding curtain, two ends of the box-type water tank shielding curtain are connected with water tank shielding curtain sliding rails, the water tank shielding curtain sliding rails are fixedly arranged on the annular inner side of the annular water purification pool, the lower part of the annular water purification pool is connected with a net cage through a rope, a net cage pit is arranged at the bottom of the pool right below the net cage, the net cage pit is used for ensuring the survival of fishes, the volumes of the net cage and the net cage pit are determined according to the quantity of the fishes in the pool, and the dissolved oxygen in water is kept at 5-8mg/L and is 3mg/L at the minimum. In the case of grass carp, 5mg/L and above are normal ranges, 2mg/L of dissolved oxygen grass carp starts floating, and 0.4mg/L is a death point. Therefore, the number of fishes to be stored in each pit during drought is calculated according to the total number of the fishes and the number of the pits, and the minimum volume of the pits can be obtained by taking the minimum 3mg/L of dissolved oxygen as a lower limit. A baffle plate is arranged at the bottom of the floating plate around the net cage through a rotating shaft, and the baffle plate is driven by a motor and a gear to lift; the ecological floating bed comprises a floating bed frame, elastic ropes and combined fillers, wherein the elastic ropes are arranged in a grid shape on the inner side of the floating bed frame, a plurality of combined fillers are connected in series, and a plurality of groups of elastic ropes are connected with the elastic ropes in an array form through the ropes; the annular water purification tank comprises an annular water tank body and an inverted U-shaped drainage pipeline, the inverted U-shaped drainage pipeline is arranged in the wall of the inner side of the annular water tank body, the water inlet of the inverted U-shaped drainage pipeline is positioned in the middle of the groove of the inner side of the annular water tank body, and the water outlet of the inverted U-shaped drainage pipeline is connected with the water outlet hole; a controller arranged in the groove of the annular water purifying pool through a sealed container is connected with a water pressure sensor arranged at the bottom of the pond through an electric wire; the ecological floating bed is provided with a combination of 'microorganism and plant', and the specific conditions are as follows: firstly, microorganisms live in the combined filler at the lower half part of the ecological floating bed, the combined filler is selected from a composite carbon source filler, the composite carbon source filler can provide a better environment for the microorganisms, and the growth of plants is greatly promoted and the survival rate of the plants is improved due to the existence of the loofah sponge and the corncobs. Secondly, the plants are fixed by the elastic ropes of the ecological floating bed, the roots and the combined fillers where the microorganisms are located coexist, and the survival and the growth of the plants are greatly promoted due to the existence of the microorganisms and the combined fillers. In addition, plant selection requires: (1) the content of N and P in the water body can be purified (necessary); (2) can be used for fish (optional). Since fish are fed periodically, the presence of plants, animals and microorganisms in this small ecosystem makes the design more stable.

When the water level is reduced gradually during drought, the reading of the water pressure sensor is reduced gradually, when the water pressure is reduced to a warning line, the controller can control the feed spreader to start spreading feed to attract fishes, shrimps and crabs to enter the lower part of the net cage, when the water level is further reduced, the bottom of the floating plate is provided with a baffle which is arranged around the net cage through a rotating shaft, and the baffle is driven by a motor and a gear to turn downwards and expand to prevent the fishes, the shrimps and the crabs from leaving the net cage pit.

As a further improvement of the utility model, the combined filler is used as a microbial filler, and a composite carbon source filler is selected for culturing microbes.

As a further improvement of the utility model, the combined filler contains alkali-treated corn kernels, loofah sponge, zero-valent iron and activated carbon.

As a further improvement of the utility model, the ecological floating bed plants cattail and tape grass.

As a further improvement of the utility model, the feed spreader is internally provided with a sinking-bottom feed.

As the utility model discloses a further improvement scheme, annular clean water reservoir recess in be equipped with wireless communication device through the controller of sealed container installation, can effectively improve equipment perception and thing allies oneself with the ability.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage: compared with the conventional ecological floating island, the net cage pits and the box-shaped water tank shielding curtain which can guarantee the lives of fishes, shrimps and crabs during drought and the accessory device thereof can provide ornamental value and simultaneously effectively restore eutrophic water, purify urban industrial sewage and domestic sewage and treat aquaculture wastewater, and can provide shelters for aquatic animals during drought.

Drawings

FIG. 1 is a schematic perspective view of an ecological floating island system for coping with drought;

FIG. 2 is a partial developed view of a baffle of an ecological floating island system coping with drought;

FIG. 3 is a perspective view of an ecological floating bed of an ecological floating island system coping with drought;

FIG. 4 is a cross-sectional view of an inverted U-shaped drain pipe of an ecological floating island system coping with drought;

FIG. 5 is a schematic view of the state of the utility model sinking into the cage pit during drought;

in the figure: 1. the device comprises a solar cell panel, 2, an ecological floating bed, 2-1, a floating bed frame, 2-2, an elastic rope, 2-3, combined packing, 3, a water outlet, 4, an annular water purification tank, 4-1, an annular water tank body, 4-2, an inverted U-shaped water drainage pipeline, 5, a floating plate, 6, a water pump, 7, a net cage, 8, a feed spreader, 9, a box-type water tank shielding curtain, 10, a water tank shielding curtain slide rail, 11, a water pressure sensor, 12 and a baffle.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, the ecological floating island system for drought comprises a solar cell panel 1, ecological floating beds 2, water outlets 3, an annular water purification tank 4, floating plates 5, a water pump 6, a net cage 7, a feed spreader 8, a box-type water tank shielding curtain 9, water tank shielding curtain slide rails 10 and a water pressure sensor 11, wherein the ecological floating beds 2 are installed in grooves of the annular water purification tank 4, one solar cell panel 1 is movably installed between two to six ecological floating beds 2, a controller and a storage battery are installed in the grooves of the annular water purification tank 4 right below the solar cell panel 1 through a sealed container, the lower part of the annular water purification tank 4 is fixedly connected with the floating plates 5, the lower surface of the floating plate 5 right below the solar cell panel 1 is connected with the water pump 6 through a hose and a rope, the water pump 6 is connected with the annular water purification tank 4 through a pipeline, and the water outlet 3 is formed in the lower part of the inner side of the annular water purification tank 4.

As shown in fig. 1 to 3, a control device is installed at the bottom of the solar panel stored in the annular clean water reservoir 4, and the angle of the solar panel 1 can be adjusted by the controller, so that the irradiation of the sun can be obtained to the maximum extent, and sufficient electric energy can be stored through photoelectric conversion. After enough electric quantity is stored, the electric energy is used as power energy to provide electric energy for the water pump 6, water in the pond is pumped into the annular water purifying tank 4, the water body begins to be purified under the action of microorganisms and aquatic plants, and the water pump 6 also plays a role in providing oxygen in the meantime. The controller controls the switch of the pump, and the water pump stops pumping water when the water purification tank is full of water through calculation. After a period of microbial and plant decontamination, the pump is turned on to pump water into the pond. At the moment, water in the purified water purifying pond flows back to the pond through the inverted U-shaped drainage pipeline 4-2 and the water outlet hole 3 by the siphon principle. The feed spreader 8 is suspended in the center of the annular water purifying tank 4 through a bracket; the feed spreader 8 opens a single device each time at the frequency of twice a day in one island (the specific time and frequency can be adjusted according to the actual situation) to guide organisms such as fish, shrimp and crab to gather into the pit for eating, thereby forming a habitual behavior, being convenient for efficiently guiding the fish, shrimp and crab to enter the protection device, and dispersedly arranging a plurality of floating island devices which are the same as the floating island devices according to the specific water body conditions of the actual ecological system, mutually nesting the devices to form a floating island ecological system, when the water level and the oxygen consumption are at safe levels, big and small artificial pits below the floating island are connected to carry out natural circulation, when the water level in the single system reaches a warning line, the folding plate automatically unfolds to block the fish, shrimp and crab outside the floating island system from entering, and the safety of the fish, shrimp and crab in the system is maintained. Meanwhile, intelligent water level alarming is adopted, and when the water level in a certain floating island is too low, a signal can be sent to the mobile phone through the sensor. The water level and oxygen content in the pit body can be increased through the water delivery of the water delivery system and the aeration of the pump, the guarantee of the survival of fishes is increased, water is supplemented into the annular water purification tank 4 through the water pump 6 when the water source of the pond is sufficient, and the net cage is closed to reduce evaporation in a drought state.

As shown in fig. 1 to 4, a box-type sink shielding curtain 9 is fixedly installed on the inner annular side of the annular clean water reservoir 4, two ends of the box-type sink shielding curtain 9 are connected with sink shielding curtain slide rails 10, the sink shielding curtain slide rails 10 are fixedly installed on the inner annular side of the annular clean water reservoir 4, the lower portion of the annular clean water reservoir 4 is connected with a net cage 7 through a rope, and a net cage pit is arranged at the bottom of the pond right below the net cage 7, as shown in fig. 5, in order to ensure the survival of fishes, the volumes of the net cage 7 and the net cage pit should be determined according to the number of fishes in the pond, and the dissolved oxygen in the water body should be kept at 5-8mg/L, and the minimum is 3mg/L. In the case of grass carp, 5mg/L and above are normal ranges, 2mg/L of dissolved oxygen grass carp starts floating, and 0.4mg/L is a death point. Therefore, the number of fishes to be stored in each pit during drought is calculated according to the total number of the fishes and the number of the pits, and the minimum volume of the pits can be obtained by taking the minimum 3mg/L of dissolved oxygen as a lower limit. A baffle plate 12 is arranged at the bottom of the floating plate 5 around the net cage 7 through a rotating shaft, and the baffle plate 12 is driven by a motor and a gear to lift; the ecological floating bed 2 comprises a floating bed frame 2-1, elastic ropes 2-2 and combined fillers 2-3, wherein the elastic ropes 2-2 are arranged in a grid shape on the inner side of the floating bed frame 2-1, a plurality of combined fillers 2-3 are strung into a group, and a plurality of groups of elastic ropes 2-2 are connected with the elastic ropes 2-2 in an array manner through ropes; the annular water purification tank 4 comprises an annular water tank body 4-1 and an inverted U-shaped drainage pipeline 4-2, the wall of the inner side of the annular water tank body 4-1 is provided with the inverted U-shaped drainage pipeline 4-2, the water inlet of the inverted U-shaped drainage pipeline 4-2 is positioned in the middle of the groove of the inner side of the annular water tank body 4-1, and the water outlet of the inverted U-shaped drainage pipeline 4-2 is connected with the water outlet hole 3; the controller arranged in the groove of the annular clean water tank 4 through the sealed container is connected with a water pressure sensor 11 arranged at the bottom of the pond through a wire.

As shown in fig. 1 to 3, when the water level is lowered gradually during drought, the reading of the water pressure sensor 11 is lowered gradually, when the water pressure is lowered to a warning line, the controller controls the feed spreader 8 to spread feed to attract fishes, shrimps and crabs to enter the lower part of the net cage 7, when the water level is further lowered, the bottom of the floating plate 5 is provided with a baffle 12 arranged around the net cage 7 through a rotating shaft, and the baffle 12 is driven by a motor and a gear to turn downwards and expand to prevent the fishes, shrimps and crabs from leaving the net cage pit, at the moment, the net cage 7 is settled in the net cage pit, both the net cage 7 and the fishes, shrimps and crabs attracted to the net cage pit can be protected, and finally, the box-shaped water tank shielding curtain 9 is expanded along the water tank shielding curtain sliding rails 10 to shield the annular water purification tank 4 to reduce water evaporation, so as to further ensure the oxygen content in the water, the water can be aerated through the water pump 6 to ensure the life of the fishes, shrimps and crabs.

As shown in fig. 1 to 3, springs or electrically controlled telescopic rods are installed at the bottoms of the solar panels 1 installed at the four corners of the annular clean water tank 4, and the angle of the solar panel 1 can be adjusted by a controller, so that the irradiation of the sun can be obtained to the maximum extent and sufficient electric energy can be stored through photoelectric conversion. After enough electric quantity is stored, the electric energy is used as power energy to provide electric energy for the water pump 6, water in the pond is pumped into the annular water purifying tank 4, the water body begins to be purified under the action of microorganisms and aquatic plants, and the water pump 6 also plays a role in providing oxygen. The controller controls the switch of the water pump 6, and the water pump 6 stops pumping water when the water purification tank is full of water through calculation. After a period of microbial and plant decontamination, the pump 6 is turned on to pump water into the pond. At the moment, the water in the purified water purifying pond flows back to the pond through the inverted U-shaped drainage pipeline 4-2 by means of the siphon principle.

In order to make ecological bed of floating more have stability, as the utility model discloses a further improvement scheme, combined filler 2-3 as microbial packing, choose for use compound carbon source filler to cultivate the microorganism, have "microorganism + plant" combination in ecological bed of floating 2, the particular case is as follows: firstly, microorganisms live in the combined fillers 2-3 at the lower half part of the ecological floating bed 2, the combined fillers 2-3 adopt composite carbon source fillers, and the composite carbon source fillers not only can provide a better environment for the microorganisms, but also greatly promote the growth of plants and improve the survival rate of the plants due to the existence of loofah sponge and corncobs. Secondly, the plants are fixed by the elastic ropes 2-2 of the ecological floating bed 2, the roots and the combined filler where the microorganisms are located coexist, and meanwhile, the survival and growth of the plants are greatly promoted due to the existence of the microorganisms and the combined filler. In addition, plant selection requires: (1) the content of N and P in the water body can be purified (necessary); (2) can be used for fish, and landscape plants. The presence of plant and animal microorganisms in this small ecosystem makes the design more stable, since fish will be fed regularly.

As a further improvement of the present invention, the combined filler 2-3 contains alkali treated corn kernels, loofah sponge, zero-valent iron and activated carbon.

Through the contrast selection, as the utility model discloses a further improvement scheme, ecological bed 2 that floats plant cattail and eel grass, cattail as the emergent aquatic plant of many years, strong adaptability, plant height 1.5m-2.5m, flowering phase is in 5-8 months. The tape grass is used as a submerged plant, the growth and the propagation are fast, the plant height is 50cm-80cm, and the flowering phase is 8-10 months. Through the combination of the cattail and the hay, the ornamental of the flowering phase of the landscape design can be started from 5 months and continued to 10 months, meanwhile, the planting density is also required to be noticed during planting, otherwise, the space of the combined filler 2-3 is small, and the water body is not beneficial to purification.

In order to make the fish gradually grow into the habit of regularly entering the net cage pit, as a further improvement scheme of the utility model, the feed spreader 8 is internally provided with the sinking type feed.

In order to further improve equipment perception and thing allies oneself with the ability, as the utility model discloses a further improvement scheme, 4 recesses of annular clean water reservoir in be equipped with wireless communication device through the controller of sealed container installation, can make the chinampa can connect other chinampa and the land on control terminal, in time send early warning signal.

When the ecological floating island system is used, the ecological floating island system coping with drought is installed, and the device can be put into operation by fixing the upper part of the net cage pit dug in the early period through the rope.

The utility model discloses when using, concrete work is as follows:

and (4) landscape part: the floating island has higher ornamental value by planting the cattail and the tape grass on the ecological floating bed 2.

And (3) a purification part: firstly, microorganisms live in the combined fillers 2-3 at the lower half part of the ecological floating bed 2, the combined fillers 2-3 adopt composite carbon source fillers, and the composite carbon source fillers not only can provide a better environment for the microorganisms, but also greatly promote the growth of plants and improve the survival rate of the plants due to the existence of loofah sponge and corncobs. Secondly, the plants are fixed by the elastic ropes 2-2 of the ecological floating bed 2, the roots and the combined fillers where the microorganisms are located coexist, and the survival and the growth of the plants are greatly promoted due to the existence of the microorganisms and the combined fillers. The water in the pond is pumped into the annular water purifying pond 4 by the water pump 6, and the water body is filtered and purified by the combined filler 2-3. Meanwhile, the feed spreader 8 can regularly feed the feed at ordinary times, gradually enables the fishes, shrimps and crabs to grow into the habit of foraging under the ecological floating island at regular time, and is convenient for collecting the fishes, shrimps and crabs into the floating island for protection in drought.

Drought shelter section: as shown in fig. 5, when the water level is normal, a single device is opened every time at a frequency of "twice a day for one island" (the specific time and frequency can be adjusted according to the actual situation) to guide organisms such as fishes, shrimps and crabs to gather in the pit for eating, thereby forming a habitual behavior, being convenient for efficiently guiding the fishes, shrimps and crabs to enter the protection device, and a plurality of floating island devices which are the same as the above are dispersedly arranged according to the specific water body condition of the actual ecosystem, the floating island ecosystem is built by mutually nesting a plurality of devices, when the water level and the oxygen consumption are at a safe level, the large and small artificial pits below the floating island are connected for natural circulation, the reading of the water pressure sensor 11 is gradually reduced along with the gradual reduction of the water level, when the water pressure is reduced to a warning line, the controller can control the feed spreader 8 to start spreading feed to attract fishes, shrimps and crabs to enter the lower part of the net cage 7, the baffle 12 arranged at the bottom of the floating plate 5 around the net cage 7 through a rotating shaft is driven by a motor and a gear to turn downwards and expand to prevent the fishes, shrimps and crabs from leaving the net cage pit, at the moment, the net cage 7 is already settled in the net cage pit, the net cage 7 and the fishes, shrimps and crabs attracted to the net cage pit can be protected, wherein the baffle 12 can be supported at the periphery of the net cage pit to cover the net cage pit and can also sink into the net cage pit, finally, the box-type water channel shielding curtain 9 is expanded along the water channel shielding curtain slide rail 10 to shield the annular water purification tank 4 to reduce water evaporation, water delivery through a water delivery system and aeration of a pump can increase the water level and oxygen content in the pit, and guarantee of survival of fishes is increased. Particularly, a plurality of equipment forming systems are arranged in one pond, the number of the aquatic fishes, the shrimps and the crabs in a single net cage 7 is controlled, the number of the floating islands is enlarged to protect the fishes, the shrimps and the crabs, the population protection number can be effectively enlarged, and meanwhile, the scale of a middle ecological system is maintained at a high sustainable level.

Claims (5)

1. An ecological floating island system for coping with drought comprises a water pump (6) and a water pressure sensor (11), and is characterized in that an ecological floating bed (2) is installed in a groove of an annular water purification tank (4), a solar cell panel (1) is movably installed between two to six ecological floating beds (2), a controller and a storage battery are installed in the groove of the annular water purification tank (4) right below the solar cell panel (1) through a sealing container, the lower part of the annular water purification tank (4) is fixedly connected with a floating plate (5), the lower surface of the floating plate (5) right below the solar cell panel (1) is connected with the water pump (6) through a hose and a rope, the water pump (6) is connected with the annular water purification tank (4) through a pipeline, and the lower part of the inner side of the annular water purification tank (4) is provided with a water outlet (3); the feed spreader (8) is suspended in the center of the annular water purifying pool (4) through a bracket; a box-type water tank shielding curtain (9) is fixedly installed on the inner annular side of the annular water purification pool (4), two ends of the box-type water tank shielding curtain (9) are connected with water tank shielding curtain sliding rails (10), the water tank shielding curtain sliding rails (10) are fixedly installed on the inner annular side of the annular water purification pool (4), the lower portion of the annular water purification pool (4) is connected with a net cage (7) through a rope, net cage pits are formed in the bottom of the pool right below the net cage (7), a baffle (12) is installed at the bottom of a floating plate (5) in a mode of surrounding the net cage (7) through a rotating shaft, and the baffle (12) is driven by a motor and a gear to lift; the ecological floating bed (2) comprises a floating bed frame (2-1), elastic ropes (2-2) and combined fillers (2-3), wherein the elastic ropes (2-2) are arranged on the inner side of the floating bed frame (2-1) in a grid shape, a plurality of combined fillers (2-3) are connected in series to form a group, and a plurality of groups of elastic ropes (2-2) are connected with the elastic ropes (2-2) in an array manner through ropes; the annular water purification pool (4) comprises an annular pool body (4-1) and an inverted U-shaped drainage pipeline (4-2), the inverted U-shaped drainage pipeline (4-2) is arranged in the wall of the inner side of the annular pool body (4-1), the water inlet of the inverted U-shaped drainage pipeline (4-2) is located in the middle of the groove in the inner side of the annular pool body (4-1), and the water outlet of the inverted U-shaped drainage pipeline (4-2) is connected with the water outlet hole (3); a controller arranged in the groove of the annular water purifying pool (4) through a sealing container is connected with a water pressure sensor (11) arranged at the bottom of the pool through an electric wire.

2. The drought-resistant ecological floating island system according to claim 1, wherein the combined filler (2-3) is used as a microbial filler, and a composite carbon source filler is selected to culture microbes.

3. The drought-coping ecological floating island system according to claim 1, wherein the ecological floating bed (2) is planted with cattail and tape grass.

4. The drought-resistant ecological floating island system according to claim 1, wherein the feed spreader (8) is filled with a submerged feed.

5. The drought-resistant ecological floating island system according to claim 1, wherein the groove of the annular clean water pond (4) is provided with a wireless communication device through a controller installed in a sealed container.

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