225 results about "Floating island" patented technology

An ecological combined constructed wetland system for rare earth mine tail water treatment is characterized in that a downward vertical flow wetland and an upward vertical flow wetland of a three-stage combined wetland system are communicated through a bottom communicating pipe, and the upward vertical flow wetland and a floating island wetland are communicated through an upper overflow weir; the tail water treated by the sewage adjusting tank sequentially flows through the downward vertical flow wetland, the upward vertical flow wetland and the floating island wetland; each of the downward vertical flow wetland and the upward vertical flow wetland comprises a filler layer with a three-layer structure, and the upper layer is a plant substrate layer and is composed of fine sand or sandy loam; the middle layer is a functional material layer and is composed of hematite, zeolite or activated carbon; the lower layer is a supporting layer and is composed of coarse sand or gravel; and the aquatic plants of the floating island wetland adsorb pollutants in the water body through root systems, and decompose residual pollutants by utilizing the metabolism of the plants. The tail water treatment device can efficiently remove particular pollutants such as ammonia nitrogen, nitrate nitrogen, heavy metals and rare earth elements in the tail water of the rare earth mine.

A modular ecological floating island with a plant-microbe combination, characterized in that it comprises the following: a floating shell body which is provided with a cavity extending through a thickness direction of the floating shell body; a planting trough that has a tubular structure with an open top and a closed bottom and is removablely arranged within the cavity, where the underside of the planting trough is lower than the lower surface of the floating bowl body; a filter screen that is attached horizontally inside the planting trough and divides the planting trough into an upper planting area and a lower bioreaction area; where aquatic plants are planted in the planting area; wherein the floating shell body is provided on one side with a tenon connection structure, wherein the adjacent floating shell bodies are joined horizontally and vertically by the tenon connection structure.

The utility model belongs to the technical field of wetland restoration, in particular to a water quality purification floating island for modularized wetland restoration, which is characterized in that magnets are fixed in holes formed in four side edges of a first foam board and a second foam board, and limiting bumps are integrally formed on two adjacent side edges of a plastic protective edge; limiting holes matched with the limiting protruding blocks are formed in the other two adjacent side edges of the plastic protection edge, the limiting holes extend to the side edges of the first foam board and the center hole when being formed, and S poles of magnetic fields of magnets installed on the opposite sides of the first foam board and the center hole point to the limiting protruding blocks. A limiting lug integrally formed on the side surface of one plastic safe edge is inserted into a limiting hole formed in the side surface of the other plastic safe edge, so that the first floating module and the second floating modules as well as the two second floating modules are magnetically attracted and fixed through magnets; therefore, the convenience and the stability of modular assembly of the first floating module and the second floating module are improved.

The application relates to the field of water ecological environment, in particular to a floating island device for water ecological environment, which comprises a floating block, the floating block is spliced by a plurality of rectangular block structures, hollow floating pipes for fixation are arranged at the edges of the floating block, inclined plates are installed on the four edges of the floating block, support plates are arranged in the middle sides of the inclined plates, the support plates are cross-shaped, fixed columns are arranged at the centers, the fixed columns contain power supplies, and vertical telescopic rods are installed in the inner sides of the vertically arranged support plates. The extendable air cushion structure can splice multiple floating islands into a whole according to actual control and the size of current wind and waves, and can directly adhere to the bank when necessary, so that the overall fixation integrity and the fixation effect with the bank are provided, and the phenomenon that the floating islands collide with each other to cause damage to the floating blocks is prevented.

The invention relates to the field of marine floating bridges, and discloses a marine floating bridge floating island module which comprises a seabed pile foundation, the side wall of the top end of the seabed pile foundation is sleeved with a lifting lug a through a cable a, the surface of the top end of the seabed pile foundation is sleeved with a lifting lug b through a cable b, and floating bridge mechanisms are arranged on the surfaces of the lifting lug b and the lifting lug a. The platform can be quickly built at positions such as the sea surface so as to cope with different use environments. A storm-resistant stable system is constructed through a semi-cylindrical structure, a two-way mooring rope and gravity center adjustment, the curved surface contour of a semi-cylindrical floating plate can guide waves to flow along the side face of a plate body, front impact is avoided, wave impact force is dispersed, and the transverse swing angle is controlled within 5 degrees; the seabed pile foundation forms pull-down and side-pull two-way fixation through the mooring rope a and the mooring rope b, vertical movement is limited, horizontal drifting is restrained, and the module is prevented from being separated from a preset area; the gravity center of the sealed clean water bags in the water storage cavity can be flexibly adjusted by increasing and decreasing the number.

The invention discloses a water body remediation system and method. The remediation system comprises a gas and medicine supply assembly, a composite supply pipe and an ecological floating island, wherein one end of the composite supply pipe is connected with the gas and medicine supply assembly, and the other end of the composite supply pipe extends into a water body; the medicament release assembly comprises a first box body, at least one air bag arranged in the first box body, a driving disc rotationally arranged on the side wall of the first box body, and at least one shifting rod arranged on the driving disc and used for pushing the air bag, an impeller is arranged in the air supply pipe located at a shaft rod of the driving disc, and the impeller is connected with the shaft rod of the driving disc. According to the water body remediation system, the gas medicine supply assembly is synchronously driven by utilizing gas conveying power of the aeration pump, so that medicine powder can be conveyed while water body aeration is performed along with the composite supply pipe, and a small amount of medicine powder can be added for multiple times.

This invention provides a composite ecological restoration system and method for agricultural non-point source pollution in lakes. The system includes several pre-treatment reservoirs located at the lake's edge, each including a sedimentation zone, a shallow water purification zone, and a deep water purification zone; several water quality improvement wetlands adjacent to the pre-treatment reservoirs; several ecological interception ditches located at the entry points of agricultural non-point source pollution into the lake; a shoreline ecological interception zone surrounding the lake and located along its shoreline; an ecological enclosure adjacent to the water quality improvement wetlands, within which a submerged plant restoration zone is arranged; several submerged plant restoration zones are located inside the ecological enclosure; and ecological floating islands are evenly distributed within the lake. This invention can effectively address the complex and variable nature of lake non-point source pollution, improve the treatment effect of lake non-point source pollution, and achieve the goal of treating different types of lakes.

The application discloses a kind of water pollution on-line monitoring equipment, it is related to water detection technical field, including floating island and monitoring mechanism, sample reservation mechanism is arranged in floating island, floating island includes float, balance cover and upper support, float is arranged with air chamber, equipment cabin and sample reservation chamber, monitoring mechanism includes detector and monitoring probe, detector is installed in equipment cabin, monitoring probe is fixedly installed at the bottom of float, sample reservation mechanism includes rotary table, test tube rack, negative pressure test tube, sampling station, puncture needle, suction hose and telescopic cylinder, sample reservation mechanism is installed in sample reservation chamber.The application has the advantages of automatic sample reservation, active posture balance, sample identification and light protection, autonomous position adjustment, solves the problem that existing float type monitoring equipment cannot reserve sample in time, weak wind and wave resistance, maintenance difficulty and lack of dynamic control ability.

The application discloses a method for treating rural sewage by using natural freezing, and belongs to the technical field of sewage treatment. The method for treating rural sewage by using natural freezing comprises the following steps: step one, collecting rural sewage, flowing the rural sewage into a grit chamber through a grid for sedimentation, adjusting pH, adding a composite adsorption material for adsorption treatment, and obtaining pretreated rural sewage; step two, adding the pretreated rural sewage into a water storage tank, then discharging the pretreated rural sewage into a treatment tank, connecting a sludge tank to a four-stage treatment tank, using natural cooling to freeze, moving ice bodies in the treatment tank into an ice storage tank, then sequentially discharging sewage into a next-stage treatment tank, and repeating the operation; and step three, after temperature rises, using an ecological floating island technology to treat mixed sewage in the sludge tank, and using ice in the ice storage tank after the ice is dissolved for rural landscape and agricultural irrigation. The method can simply and efficiently treat rural sewage.

This utility model relates to the field of river management technology and discloses a movable micro ecological floating island, including a floating bed. Multiple planting tubes are movably connected vertically through the interior of the floating bed. A retaining ring is fixedly fitted onto the outside of each planting tube above the floating bed. Clamping mechanisms are provided on both the front and rear sides of the planting tubes on the upper surface of the floating bed. Positioning mechanisms are provided at the four corners of the upper surface of the floating bed. This utility model utilizes a pawl and ratchet locking design. After the positioning anchor sinks to the bottom of the water under gravity, releasing the pawl enables one-way self-locking of the rocker arm, effectively preventing the positioning rope from loosening and ensuring that the floating bed does not shift under water flow or wind force, ensuring stable and reliable positioning. Simultaneously, when moving the floating island, simply turning the rocker arm clockwise quickly retracts the positioning rope and anchor, making operation simple and quick, significantly improving the efficiency of floating island position adjustment and relocation.

The invention relates to a static light long-distance sea-crossing permanent railway and highway floating bridge, which is a fundamental change for the design thought of building a long-distance sea-crossing permanent bridge. The biggest problem to be solved is that piers do not need to be built on straits and seabed, the construction difficulty and work amount of cross-sea bridge construction are greatly reduced, and the influence on the straits ecological environment is small. The technical key points are as follows: 1, N relatively static floating islands are built by utilizing seawater buoyancy, the floating islands are synthesized from cheap materials, and bridges are erected on the floating islands; 2, each floating island is formed by uniformly distributing m seabed stainless steel wire ropes on the left side and the right side of the floating island, straightening and firmly holding the seabed stainless steel wire ropes, and the m stainless steel wire ropes are wound and tied on the m reinforced concrete blocks sinking into the seabed respectively; and 3, the absolute horizontal height of the floating island is not changed. The floating island does not freely float on the water surface, and at the lowest tide level, the buoyancy ensures that the m strands of stainless steel wire ropes have moderate tension. And 4, the core principle is as follows: mechanical balance, namely buoyancy F1 = borne bridge gravity G + tensile force F2 of a seafloor stainless steel wire rope.

The utility model discloses an ecological purification system for a water intake of a riverway, which relates to the technical field of water ecological purification and particularly comprises a first soft enclosure, a second soft enclosure and a third soft enclosure, the first soft enclosure, the second soft enclosure and the third soft enclosure are sequentially arranged and are all in a similar arc shape, the first soft enclosure is arranged on an upstream face, and the second soft enclosure is arranged on a downstream face. The second soft enclosure is arranged on the inner side of the water intake; a filtering area is formed between the first soft enclosure and the second soft enclosure, a filtering assembly is arranged in the filtering area, a floating island area is formed between the second soft enclosure and the third soft enclosure, aquatic plants and first filler are arranged in the floating island area, and the first filler is arranged below the aquatic plants. According to the ecological purification system for the riverway water intake, the three soft enclosures are designed, the filtering area and the floating island area are formed, functional distinguishing is achieved, water at the water intake is purified in the modes of physical filtering, biological purification and ecological buffering, the water quality of the water intake is remarkably improved, and burden is relieved for subsequent water treatment.

According to the modularized ecological floating island, a modularized main body is of a hexagonal structure and can movably float on a water body, and the hexagonal structure is provided with connecting structures used for mutual combination; the plurality of aeration systems are arranged at the bottom of the modular main body, and each aeration system comprises a plurality of aeration heads which obliquely extend from the modular main body at different inclination angles; the plurality of magnetic anchoring systems are arranged at the bottom of the modular main body and are arranged at intervals with the aeration system; each magnetic anchoring system comprises an electromagnet which can be adsorbed to a magnet in water; the controller is connected with the aeration system and the magnetic anchoring system; the storage battery is connected with the aeration system, the magnetic anchoring system and the controller; the solar device is arranged on the top of the modular body and connected with the storage battery. The plant substrate area is arranged on the floating carrier; the emergent aquatic plants and the submerged plants are planted in the plant planting area.

This utility model provides an artificial ecological floating island structure, including a circular frame and mounting rods arranged in the diameter direction of the circular frame. Floats are connected inside the frame, and matching fan-shaped planting troughs are installed between adjacent mounting rods. In this way, there are only mounting rods between two adjacent planting troughs. Compared with the large blank space between two planting troughs in the original design, the area of ​​the planting troughs can be increased under the same water surface area, thereby planting more aquatic plants and enhancing the efficiency of water body ecological management.

This invention discloses a floating water detection device for environmental engineering, relating to the field of water detection. It includes a central floating island and two detection floating islands symmetrically arranged on either side of the central floating island. Each detection floating island includes a horizontal plate, a sealing cover at the top of the horizontal plate, and an air flotation cavity at the bottom of the horizontal plate. A docking portion is provided on one side of the horizontal plate, and a power supply component is located inside the sealing cover. A water detection component with a detection end sequentially penetrating the horizontal plate and the air flotation cavity and extending to the lower part of the air flotation cavity is located at the top of the horizontal plate. An automatic opening and closing component is located at the bottom of the air flotation cavity. An anchoring component is provided on the outer wall of the central floating island, and two symmetrically arranged retraction and deployment components are located inside the central floating island. Two guide frames are symmetrically arranged on both sides of the central floating island, and the execution end of the retraction and deployment components is connected to a cable. The detection device of this invention adopts a central dual-detection-island layout. Through modular design and intelligent control, it can simultaneously realize water quality detection in a set area on the water surface and at a set depth underwater.

The present application relates to a kind of river water body ecological restoration purification systems, including the flocculating agent adding system, gravel bed purification system and artificial ecological floating island system being sequentially arranged from the upstream to the downstream of river channel;Flocculating agent adding system includes truss;Lifting stand is arranged below horizontal frame, and lifting stand can move up and down relative to horizontal frame;Flocculating agent adding unit, it is spaced apart to be provided with several along the extension direction of lifting stand, to add flocculating agent when moving down in river channel by lifting stand;Gravel bed purification system, including the gravel bed being laid in the bottom of river channel and the purification tank being arranged in the side of gravel bed;Artificial ecological floating island system, including a plurality of floating units spliced, floating unit includes the floating plate being fixed relative to river bank, a plurality of installation grooves are formed in floating plate, and greenery pot is fixed in installation groove;Increase river sewage purification effect, increase pollutant removal capacity, form integrated technical system of city water environment and pollutant control.

The utility model relates to the field of ecological environment pollution treatment equipment, and discloses an environment-friendly ecological floating island for water pollution treatment, which comprises a plurality of fixed piles and a plurality of floating mechanisms, a planting mechanism is arranged in the middle of the plurality of floating mechanisms, and a connecting mechanism is arranged on the outer surface of the plurality of floating mechanisms. Each planting mechanism comprises a planting cylinder, the outer surface, close to the upper end, of each planting cylinder is fixedly sleeved with a large fixing ring, the outer surface, close to the lower end, of each planting cylinder is fixedly sleeved with a small fixing ring, and each floating mechanism comprises a unit floating plate; the upper ends of the multiple unit floating plates are each slidably sleeved with a plurality of vertical columns, the inner surfaces of the multiple unit floating plates are each slidably sleeved with a plurality of limiting blocks, and each connecting mechanism comprises two first connecting blocks and two second connecting blocks. According to the ecological floating island, rapid building is achieved, and meanwhile it is guaranteed that the water area at the lower end makes full contact with air.

The invention relates to the field of water purification, and discloses a targeted multi-dimensional water quality purification device and an intelligent operation method thereof.The targeted multi-dimensional water quality purification device comprises a water purification unit, an ecological floating island main body and aeration equipment, an aquatic plant planting area is arranged at the top of the ecological floating island main body, an artificial filler biological membrane is hung at the bottom, and a multi-cavity microbial agent storage tank is arranged in the ecological floating island main body for targeted addition of microbial agents according to water quality data; the energy supply unit is composed of a solar photovoltaic panel at the top of the floating island and a storage battery; the propelling unit controls the floating island to move; the monitoring unit collects pollutant concentration, dissolved oxygen DO and chlorophyll a data in real time through a bottom water quality sensor group and wirelessly transmits the data to the cloud platform; the cloud platform calculates a pollution index based on the pollutant concentration, and remotely regulates and controls the operation of the aeration equipment and the microbial inoculum adding and propelling unit in combination with analysis results of DO and chlorophyll a; according to the invention, dynamic identification and precise treatment of the polluted area are realized, and the water quality purification efficiency is improved.

The utility model provides a novel lamp float swivel, relates to lamp float technical field, a novel lamp float swivel, including floating seat, lighting mechanism and anti-twist mechanism, floating island includes bull gear, anti-twist mechanism includes counterweight arc plate, gasbag strip, chain and pinion, the pinion moves around bull gear, and the anti-twist mechanism is connected with the bull gear. The rotating speed of the chain is reduced by matching with the counterweight arc plate connected with the air bag strip, so that the torsion of the chain connected with the lamp when the lamp floats on the horizontal plane is reduced, and the phenomenon that the navigation mark floats out due to the fact that the chain shackle is disengaged and shackles are avoided; sprinkling rising on the sea surface is buffered through rotation of the buoy batten and supporting of the first spring, the lighting mechanism is kept stable, torsion of the chain during rotation is reduced through meshing of the gears and stress reset of the balance weight and the damping spring, and the phenomenon that the navigation mark is drifted due to the fact that the chain shackle is disengaged and shackle is avoided.

The upper surface of a purification tank is open, sieve pores are densely distributed in the four side faces and the bottom face of the purification tank, a plurality of ecological floating islands and an ecological blocking net are arranged on the upper surface of the purification tank, the ecological floating islands are all provided with plant planting baskets, aquatic plants are arranged in the plant planting baskets, and the ecological blocking net is arranged on the bottom face of the purification tank. The device disclosed by the utility model is reasonable in structure and wide in application range, is particularly suitable for being used under the condition that no pollutant reduction measures exist at the inlets of rivers and lakes, and can be used for rapidly and effectively degrading the pollutant concentration in water; a microbial agent or a microbial accelerant and an aeration measure are matched, so that the natural water pollutant reduction efficiency can be enhanced; the device is simple in structure, materials are common and easy to obtain in the market, secondary pollution is avoided, modular design facilitates transportation, assembly and subsequent maintenance, aeration is located under the floating island structure, and position adjustment is not affected.

The application relates to the technical field of bank protection structures, and discloses a flood control and slope protection ecological sponge toughness bank protection structure which comprises a soil body, a slope protection mechanism, a bank protection mechanism and a water storage mechanism, the bank protection mechanism comprises a base groove arranged on the upper surface of the soil body. The ecological sponge toughness bank protection structure can improve the scouring resistance and stability of the soil body through the gabbion layer, the ecological floating island layer can purify water, the demand for ecological restoration is met, the overall stability, drainage performance and scouring resistance can be improved through the base groove, the reserved opening, the main frame layer, the reinforcing rib and the stone blocks, the filter isolation layer prevents fine particulate matters from flowing away with flowing water, the sponge body layer provides water absorption and storage functions, the ecological bag layer provides vegetation coverage, the two layers are in synergistic action, the ecological benefits and flood control capacity of the bank protection structure are improved, and the medium properties and drainage performance required for the seed germination and growth are ensured through the vegetation planting layer.

The invention relates to the technical field of water pollution treatment and water ecological restoration engineering, and particularly discloses a semi-fixed biological floating island coupled biological membrane device for sewage treatment. Comprising a floating island platform which comprises a floating island platform frame; the biofilm carrier system is hung on the lower side of the floating island platform frame and comprises an adsorption valve and a plurality of hanging carrier units; the anchoring system is arranged below the floating island platform frame; and the aeration system is matched with the suspension carrier unit. According to the device, through the arrangement of the suspension carrier unit, the most effective denitrification microbial community can be screened and cultured from the source, and is pre-loaded on a biological membrane carrier, so that the coupling of ultrafiltration membrane-biological rope directional mass transfer and a pre-domesticated moving bed biological membrane and the closed-loop treatment of'interception-decomposition-transmission-absorption 'of pollutants are realized; the limitation that a traditional floating island depends on passive adsorption is broken through; the problems that an existing biological floating island technology is poor in fixing effect and low in removal efficiency of TN in water are solved.

The invention discloses a floating type water detection device for environmental engineering, and relates to the field of water detection, the floating type water detection device comprises a central floating island and two detection floating islands symmetrically arranged at two sides of the central floating island, and each detection floating island comprises a transverse plate, a sealing cover arranged at the top of the transverse plate and an air floating cavity arranged at the bottom of the transverse plate; a butt joint part is arranged on one side of the transverse plate, an energy supply part is arranged in the sealing cover, the top of the transverse plate is provided with a water detection part with the detection end sequentially penetrating through the transverse plate and the air floatation cavity and extending to the lower portion of the air floatation cavity, and an automatic opening and closing part is arranged at the bottom of the air floatation cavity; an anchoring component is arranged on the outer wall of the central floating island, two winding and unwinding components are symmetrically arranged in the central floating island, two guide frames are symmetrically arranged on the two sides of the central floating island, and the execution ends of the winding and unwinding components are connected with the mooring rope. The detection device provided by the invention adopts a one-center double-detection-island layout, and can realize water quality detection of a water surface set area and an underwater set depth at the same time through modular design and intelligent control.

The invention relates to the technical field of landscape engineering and hydraulic engineering, in particular to an ecological river-side cascade landscape belt system based on dynamic elevation adaptation and a construction method.The system comprises a fixing belt, a transition belt and a floating belt which are sequentially arranged in the direction from the river bank to the river center, and the floating belt comprises a plurality of ecological floating island units which are connected in a hinged mode; hygrophytes are planted on the surfaces of the ecological floating island units; the transition zone comprises a stepped slope protection structure, and a pervious concrete module is embedded in the stepped slope protection structure. And the lifting mechanism is arranged corresponding to the transition belt, the height of the lifting mechanism is adjustable, and the set height of the transition belt can be adjusted through the lifting mechanism. The river-side cascade landscape belt comprises the fixed belt, the transition belt and the floating belt, the height of the transition belt can be adjusted through the lifting mechanism, the transition belt can adapt to water level changes, and landscape function continuity under the 8m water level difference can be achieved.

According to the technical scheme, the floating type biological purification device is characterized by comprising a floating island and a plurality of sets of purification boxes, the purification boxes are detachably installed on the floating island, two sets of handles are symmetrically arranged on the floating island along the center of the floating island, each handle is provided with a control assembly, and the purification boxes and the control assemblies are arranged in a linkage mode; the control assembly comprises a control handle and a linkage rod, the control handle is rotationally connected to the handle, the linkage rod is installed at the upper end of the purification box, the floating island is provided with a linkage hole allowing the linkage rod to penetrate upwards, and the linkage rod is provided with a linkage groove allowing the control handle to be inserted therein. And various purification effects are achieved flexibly.

The biological carbon fiber ecological floating island comprises a floating island body, a first groove is formed in the middle of the outer surface of the upper end of the floating island body, and a mounting and dismounting mechanism is arranged on the outer surface of the periphery of the floating island body; the mounting and dismounting mechanism comprises first fixing plates, second fixing plates, inserting blocks, second grooves, guide grooves, T-shaped rods, pull rings, first springs, trapezoidal extrusion blocks, inclined plate blocks, limiting grooves, fixing rods, limiting blocks, second springs, inserting grooves and clamping grooves, and the two first fixing plates are fixedly mounted at the lower ends of the middles of the outer surfaces of the two sides of the floating island body correspondingly; the two second fixing plates are fixedly installed at the upper ends of the middles of the outer surfaces of the front end and the rear end of the floating island body correspondingly. According to the biological carbon fiber ecological floating island capable of being rapidly disassembled, the two floating island bodies can be conveniently and rapidly assembled and disassembled, operation is easy, resource waste caused when the binding belts are used and disassembled is reduced, and better use prospects are brought.

The invention discloses an ecological floating island, and relates to the technical field of sewage treatment, the ecological floating island comprises a floating island platform and a first box body, the floating island platform can float on the water surface, the floating island platform is connected with an aeration device extending into the water, and the aeration device can aerate the water; the first box body is connected with the floating island platform, sunshade balls are stored in the first box body, a conveying opening capable of being opened or closed is formed in the first box body, and the sunshade balls in the first box body can be conveyed to external water through the conveying opening; the aeration device extending into the water is connected to the floating island platform, the aeration device can be used for aerating the water, and the sunshade balls in the first box body are conveyed into the water through the conveying port, so that the water body purification mode is increased, and the two functions are not influenced by the oxygen deficiency or low-temperature environment of the water body; and the risk of floating island function failure is reduced.

This invention provides a method for constructing an ecological lake wetland aquatic plant and animal community system. The method includes dividing the lake to be restored into two zones according to water flow direction and terrain. Then, bottom sediment improvement, planting of submerged plants, addition of amendments, and algae-controlling zooplankton are carried out in each zone. Ecological floating islands are constructed and emergent plants are planted. Aquatic animals are introduced, followed by routine management. Water purification devices containing EHBR membrane modules are installed near the lake inlet and in areas with higher terrain. This constructs an ecological lake wetland aquatic plant and animal community, achieving long-term ecological restoration of the lake. Furthermore, the introduction of EHBR membrane modules can reduce organic pollutants in the lake at lower temperatures, significantly extending the restoration time and ensuring that the lake's water quality remains stable for an extended period.

The application discloses a solar landscape ultrasonic atomization light-shielding and algae-inhibiting floating island, which comprises a floating island body, a plurality of circumferential array arranged ultrasonic atomization nozzles, solar panels and winding mechanisms are installed on the outer side of the floating island body, and integrated control modules and propellers are respectively installed on the upper and lower sides of the floating island body; the ultrasonic atomization nozzles, the solar panels, the propellers and the winding mechanisms are electrically connected with the integrated control modules. The application utilizes solar energy to continuously provide power for the ultrasonic atomization nozzles, carries out ultrasonic atomization, and the atomized water droplets shield light, so that the underwater light intensity decreases and the photosynthesis intensity of algae is weakened, thereby achieving the purpose of inhibiting the growth of algae, and the application also has a certain landscape effect. When the counterweight balancing block is controlled by the winding mechanism and is wound by water grass, the rising pressure will push the folding piece to pop out the cross-shaped cutter, the cross-shaped cutter is cut off near the water grass in an instant, and the counterweight balancing block is conveniently recycled above the water surface.

The invention discloses a floating island type microbial fuel cell sensor for monitoring a water pollution event on line, and belongs to the technical field of environmental protection. The sensor comprises a sinking bucket, a floating island, a support frame, an anode, a cathode, an external resistor, a data collector, a solar panel and a monitoring terminal. According to the sensor, the anode is buried in the soil in the sinking bucket, and the sinking bucket is suspended below the floating island, so that the sensor does not need to submerge into the bottom of the wetland to embed the anode, and is suitable for monitoring the deep wetland; the device is provided with a data collector and a solar panel, so that electric signal data can be transmitted to a computer and a mobile phone terminal online in real time; by introducing a machine learning algorithm, a nonlinear mapping model between the output voltage signal of the microbial fuel cell and the pH value of the water body is established, so that the monitoring terminal can intelligently analyze the voltage data acquired in real time, thereby realizing high-precision, continuous and online monitoring of the pH value of the water body.