602 results about "Aquatic plant" patented technology

The invention belongs to the field of biochar adsorbing materials, and relates to a method for preparing modified biochar with aquatic plant waste and hematite. The method includes the following steps: (1) naturally drying aquatic plants prior to crushing to obtain aquatic plant powder; (2) crushing the hematite to obtain hematite powder; (3) weighing the hematite powder prior to putting the hematite powder into deionized water, and performing ultrasonic treatment to obtain suspension; (4) weighing the aquatic plant powder, soaking the aquatic plant powder in the suspension, and stirring and drying to obtain fully mixed aquatic plant and hematite mixture; (5) weighing the fully mixed aquatic plant and hematite mixture, putting the mixture in a batch-type atmosphere furnace, and feeding nitrogen into the furnace; performing temperature programming to the target temperature, and maintaining final-temperature pyrolysis; after the pyrolysis process is finished, obtaining the target product, namely the modified biochar. The modified biochar has strong adsorbability in nitrate and phosphate, high in stability and reusable.

The invention relates to the technical field of wetland ecological restoration. The invention discloses a wetland carbon sink capacity improving method and system based on intelligent regulation and ecological restoration, and the method comprises the steps: laying a multi-parameter sensing network, and monitoring the water level, vegetation growth and soil wetland carbon reserve parameters in real time; obtaining a vegetation NDVI index and surface temperature data, and analyzing the vegetation NDVI index and the surface temperature data to obtain an ecological restoration strategy; according to an ecological restoration strategy, carbon sink dominant plants are combined, and emergent aquatic plants, submerged plants and floating-leaved plants are matched; strengthening the microorganisms, and inoculating a carbon sequestration fungicide; establishing a carbon sink-environmental parameter response model according to the historical intelligent regulation and control data; and inputting the ecological restoration strategy into the carbon sink-environmental parameter response model for analysis, and adjusting ecological restoration data according to an analysis result of the carbon sink-environmental parameter response model. According to the invention, intelligent response to environment change is realized, and the carbon sink efficiency is dynamically optimized.

The invention discloses a rice field crayfish body surface cleanliness improving method based on accurate aquatic plant management and protection and ecological induction, and relates to the technical field of crossing of aquaculture and ecological agriculture. The lifting method comprises the steps that submerged plants are planted in the rice field in February every year, and the submerged plants are trimmed regularly in the cultivation process so that the top ends of the submerged plants can be kept under the water surface; shrimp seeds are put into the rice field, and feed is fed regularly; in the subsequent breeding process, during regular feeding of feed, feeding of crushed pomacea canaliculata is carried out; and after the young crayfishes grow up and shell, catching the crayfishes to obtain the crayfishes with high body surface cleanliness. According to the method, the growth state of the aquatic plants is precisely controlled to construct a natural clean field domain, the functional bait is fed to increase nutrition, meanwhile, friction cleaning is carried out through the feeding behavior, precise fishing is carried out based on the molting period, and therefore the body surface cleanliness of the crayfishes bred in the rice field is improved.

The utility model discloses a multi-filtering-form multifunctional sewage blocking treatment system for a riverway, which comprises a group of soft enclosures which are sequentially arranged along the riverway to form a plurality of independent water purification areas, floating plants and ecological plant floating beds are arranged in the soft enclosures, and a vertical bank slope automatic liftable river water body filtering device is arranged between the soft enclosures. According to the system disclosed by the utility model, through the innovative design of the filter cloth and the application of a plurality of soft enclosures, step-by-step filtration and regional division of a water body are realized, and the filtration efficiency is improved. Meanwhile, the system adopts a hydrophilic high polymer material and a super-hydrophobic high polymer material, and combines biological filtration and physical filtration, so that the water quality is effectively purified. The system is further provided with an in-situ functional treatment area, and the water treatment efficiency and effect are improved by planting aquatic plants and adding functional filler.

The invention discloses a culture tail water resource treatment system based on pearl mussels, which belongs to the technical field of aquaculture and water environment protection and comprises a culture pond, a plurality of first treatment ponds, at least one second treatment pond, a third pipeline and a control unit. Each first treatment pond is connected with the culture pond through a first pipeline, activated sludge is laid in each first treatment pond, and an aeration device and an adsorption filter with the height capable of being adjusted through a lifting mechanism are arranged on each first treatment pond. The second treatment pond is connected with the first treatment pond through a second pipeline, the interior of the second treatment pond is divided into a phycomycete symbiotic area and a water quality purification area, the water quality purification area sequentially comprises a supporting layer, an adsorption layer and a substrate layer from bottom to top, and various aquatic plants are planted in the substrate layer. The third pipeline is connected with the second treatment pond and the culture pond to form a closed water treatment circulation loop. The control unit is responsible for monitoring and regulating the operation state of the system. According to the system, efficient purification and resource recovery of aquaculture tail water are realized through multi-stage treatment and cyclic utilization.

The anti-blocking submersible pump comprises a pump body, the pump body comprises a driving part, a pump cavity part and a liquid inlet part, the pump cavity part is located between the driving part and the liquid inlet part, the pump cavity part is provided with an impeller, the driving part is provided with a driving rod, the liquid inlet part is provided with a liquid inlet cylinder and a cutting cylinder, the liquid inlet cylinder is arranged on the outer wall of the cutting cylinder in a sleeving mode, and the cutting cylinder is provided with an impeller. The cutting cylinder abuts against the inner wall of the liquid inlet cylinder, the cutting cylinder is connected with the driving rod, the liquid inlet cylinder is provided with a liquid inlet hole, the cutting cylinder is provided with a cutting hole, and the cutting hole is used for cutting aquatic plants. The cutting barrel is arranged, when strip-shaped foreign matter such as aquatic plants penetrates through the liquid inlet hole and the cutting hole to enter the liquid inlet part, the hole wall of the cutting hole of the rotating cutting barrel and the hole wall of the liquid inlet hole have the cutting effect similar to shearing through scissors, and therefore the situation that the aquatic plants enter and wind the impeller is reduced, and the situation that the liquid inlet barrel is blocked is reduced; the working stability of the pump body is improved.

The invention provides a planting device for releasing speed-controlled aquatic plants. The planting device comprises a planting pot for planting submerged plants; the main body is of a double-ship structure; the clamping and putting mechanism is arranged on the main body, the clamping and putting mechanism comprises a rack, a conveying mechanism and a grabbing mechanism used for grabbing the planting pots, the grabbing mechanism is arranged on the rack in a sliding mode so as to move left and right, the conveying mechanism conveys the planting pots to the position below the grabbing mechanism, and the grabbing mechanism grabs the planting pots to the planting mechanism; the planting mechanism comprises a hollow sleeve, submerged plants of the conveying mechanism are moved to the position over the hollow sleeve through a grabbing mechanism, an annular pipe and air bags are further embedded in the inner wall of the hollow sleeve, the air bags are evenly and annularly distributed on the inner circumferential wall of the hollow sleeve, and the annular pipe is communicated with the air bags; the air pump is started to convey air into the annular pipe to inflate the air bag, and the air bag expands after being inflated to extrude the planting pot in the hollow sleeve, so that the planting pot slowly descends, and the planting work of plants is completed.

The invention belongs to the technical field of sewage treatment, and particularly relates to an intelligent response filter material, a preparation method thereof and a denitrification deep-bed filter tank. The intelligent response filter material is of a three-layer composite structure and sequentially comprises a carbon source inner core, a transition layer and a wrapping layer from the inner layer to the outer layer; the carbon source core comprises aquatic plant powder, aggregate and reinforced fibers, the transition layer adopts a hydrophilic modified porous carrier, and the wrapping layer adopts a pH responsive polymer. According to the invention, the intelligent response type filter material prepared from aquatic plant straws is adopted, and the pH response type envelope can automatically adjust the release rate of a carbon source according to the pH change caused by the denitrification process, so that intelligent on-demand supply of the carbon source is realized, and the denitrification efficiency and the utilization rate of the carbon source are greatly improved.

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.

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The invention discloses a low-flow-speed river microorganism and aquatic plant cooperated water environment purification method, and belongs to the technical field of water environment purification. According to the invention, the problems of high cost, easy secondary pollution and the like in the prior art are solved, the adjustment strategies generated in S2 and S3 are comprehensively analyzed and optimized through a fusion algorithm, the strategy weight is dynamically adjusted according to the importance and emergency degree of the water quality index, and the comprehensive adjustment strategy is executed by means of a cooperative control platform; the system can quickly respond to the water quality change, can more accurately adjust the putting amount and putting frequency of a microbial agent, and optimizes the working condition of a micropump and the planting configuration of aquatic plants, so that the water quality purification efficiency is remarkably improved, and the river water quality is quickly improved; by optimizing the planting configuration of the aquatic plants and maintaining the efficient root system-biological membrane electroactive symbiotic purification effect, balance and stability of a water body ecological system are promoted, and continuous optimization of the whole purification process is ensured.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.

The invention provides a lake water body purification and ecological restoration method based on a biotechnology. The method comprises the following steps: S1, collecting and analyzing basic data of a lake water body; s2, screening and culturing dominant microorganisms; s3, making an ecological restoration scheme; s4, putting a microbial agent and planting aquatic plants; s5, monitoring the water body remediation process; and S6, repairing effect evaluation and scheme adjustment. According to the method, the degradation efficiency and the environmental adaptability to target pollutants are remarkably improved, an efficient functional microbial agent is provided for precise repair, a microbial culture optimization model is constructed by utilizing a dynamic programming algorithm, and a nutrient substance adding strategy and a culture period are precisely regulated and controlled in combination with the growth dynamic characteristics of strains. On the premise of ensuring the concentration and activity of the microbial inoculum, the resource consumption and time cost in the culture process are effectively reduced, the economical efficiency and reliability of microbial inoculum production are improved, and a foundation is laid for large-scale engineering application.

The invention discloses a method for preparing a seedling substrate by using aquatic plant residues, and belongs to the crossing field of agricultural waste recycling and environmental protection technologies. According to the method, aquatic plant residues are innovatively separated into two independent material flows, namely solid matters and squeezed liquid, through mechanical squeezing; then, according to the fundamental difference of physical and chemical characteristics of the two, two optimal conversion paths of'oxygen-limited catalytic carbonization 'and'complex microbial inoculant directional fermentation' are respectively designed; finally, functional products (biochar and organic liquid fertilizer) obtained through conversion are integrated in a granulation link, and a uniform and high-performance seedling culture substrate product is created. The core value of the invention lies in that full-quantization and high-value utilization of wastes is realized, and a complete technical closed loop without secondary pollution and with recyclable resources is formed.

The invention provides an ecological slope protection composite structure bearing capacity analysis method which comprises the following steps: collecting the root penetration depth, rhizome diameter, soil porosity and pine pile lateral soil pressure of an aquatic plant through a root growth monitor and a soil pressure sensor, and identifying the change rule of data at different time points; extracting a specific numerical range of root system density change; according to the extracted root density change value range, the strength degree of enhanced cementation of aquatic plant root exudates is identified, the improvement effect of the soil particle cementation degree on the shear strength of the soil body around the pine pile is evaluated, and the speed change rate of rhizome thickening and expanding is determined; according to the obtained optimal combination scheme of the pine pile-aquatic plant composite bearing system, the accuracy of slope protection instability risk point correction is evaluated, and a correction coefficient and a correction period for slope protection bearing capacity calculation are obtained.

The invention relates to the technical field of sewage purification, and particularly discloses a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The invention relates to a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The method comprises the following steps: S1, collecting, adjusting and precipitating sewage through a pretreatment unit, and intercepting solid garbage at the same time; s2, introducing the pretreated sewage into a fish-fungus-algae symbiotic unit, putting fungi and algae into the unit, and stocking herbivorous fishes; s3, effluent of the fish-fungus-algae symbiosis unit is guided into a shellfish purification unit, and shellfish is put into the shellfish purification unit; s4, leading effluent of the shellfish purification unit into an aquatic plant purification unit, and planting aquatic plants in the aquatic plant purification unit. The pollution reduction type water quality purification method combining the shellfish and grass carp bacteria and algae can be used for scenes such as village and town domestic sewage, agricultural non-point source pollution and sewage treatment plant tail water, and has the advantages of pollutant reduction and water body self-purification capability reconstruction.

The invention relates to the technical field of environment management, in particular to an intelligent aquatic plant community optimization system which comprises a community recognition module, an adaptive screening module, a spacing adjustment module, a growth monitoring module and a response regulation and control module. According to the invention, through dynamic monitoring of plant growth states and optimization treatment of spatial configuration, accurate management of aquatic plant communities is realized, the matching degree of plant species and environmental conditions is enhanced, spacing and density configuration of plant planting are improved, resource competition among plants is effectively dealt with, and the yield of aquatic plants is improved. Through multi-dimensional plant growth state feedback and nutrition state monitoring, the plant configuration is adjusted in real time, so that the dynamic management of the community is more flexible, the singleness of the community structure is avoided, and effective intervention is performed aiming at the water eutrophication problem. The adaptability and growth quality of the plants are improved, overgrowth or decline of the plants in an unsuitable environment is avoided, and ecological restoration and water health are promoted.

The invention provides a construction method of an ecological buffer zone of a reservoir hydro-fluctuation belt in a southwest karst region. The construction method comprises the following steps: S1, dividing a suitable recovery area of the hydro-fluctuation belt; s2, slope reconstruction and substrate improvement; s3, plant variety selection and configuration; s4, planting and maintaining the plants. The original soil condition of the hydro-fluctuation belt is improved through substrate improvement, the tolerance of plants to water level fluctuation is ensured through differentiated seed selection of the regions I-IV, the survival rate of vegetation in karst barren soil is increased, and the restoring capacity of an ecological system of the hydro-fluctuation belt is enhanced. According to the method, the storage submerged plant buffer pond is transformed on the lower portion of the hydro-fluctuation belt area or the artificial aquatic plants are arranged, the ecological buffer space of the hydro-fluctuation belt is prolonged, the storage pollution purification and retaining capacity is improved, and good application prospects are achieved.

The invention discloses an ecological restoration device for promoting assimilation and purification of plankton by direct-drive rotary oxygenation in the field of ecological restoration, which comprises an aeration platform, a purification unit, a floating bed for planting aquatic plants and a carrier filler for microbial adsorption, an energy storage unit, a water supply unit, a water supply unit and a water supply unit, comprising a vertical wind driven generator, a solar power generation panel and an energy storage battery, and the control unit comprises a controller and a dissolved oxygen monitoring probe used for monitoring dissolved oxygen in a water body; the energy storage battery supplies energy to the control unit and the air blower. The invention provides an ecological restoration device for promoting assimilation and purification of plankton through direct-drive rotary oxygenation, the device can be directly driven to rotate by using reaction torque of aeration, the device not only can reduce loss of energy conversion, but also can recover energy of aeration airflow, and a controller intelligently controls oxygenation and aeration and adjusts the growth microenvironment of aquatic organisms, so that the ecological restoration device is suitable for ecological restoration of aquatic organisms. The assimilation purification effect is achieved.

The utility model relates to the technical field of aquatic plant collecting devices, in particular to an anchor-shaped portable field aquatic plant collector, which can be connected with a mooring rope to collect aquatic plants distant in water, and a plurality of main anchor hooks and auxiliary anchor hooks are arranged at the bottom of a central shaft along the circumferential direction, so that the field aquatic plant collecting device can be used for collecting the aquatic plants. The main anchor hook and the auxiliary anchor hook form a pocket-shaped structure on the periphery of the central shaft, so that aquatic plants with different sizes can be collected. As the tail end of the main anchor hook and the tail end of the auxiliary anchor hook are staggered up and down on the periphery of the central shaft, the main anchor hook is supported in sludge and the auxiliary anchor hook is suspended in water when the anchor hook is located underwater, the resistance of the collector moving forwards underwater is reduced when a mooring rope is pulled, and the anchor hook can be pulled more conveniently; the main anchor hook and the auxiliary anchor hook which are staggered up and down can hook different parts of the rattan of the aquatic plant, so that greater pulling force can be applied to the whole aquatic plant, and the main anchor hook and the auxiliary anchor hook are prevented from intensively hooking the same part of the aquatic plant to cause snap.

The utility model provides an ecological floating bed device suitable for lake water restoration, which comprises a hollow floating ring, a support frame is fixedly mounted on the inner side of the hollow floating ring, and a floating bed net frame is fixedly mounted on the inner side of the support frame. The device realizes intelligent protection of aquatic plants through linkage of a wind speed sensor and a single-chip microcomputer controller, when the wind speed sensor detects that wind power exceeds the standard, a signal is transmitted to the controller, a waterproof motor is started, a driving screw rod drives a sliding block to move, then a telescopic protection sleeve is pulled to stretch out, and the sliding block and a guide rail structure ensure that the protection sleeve is stably and uniformly unfolded; a floating bed net frame is wrapped, physical support is provided for aquatic plants, strong wind invasion is resisted, plant lodging and extrusion are avoided, the plant survival rate in extreme weather is effectively increased, the manual maintenance cost is reduced, and the environmental adaptability of the ecological floating bed is enhanced.

1. Name of this design product: Integrated side table and fish tank. 2. Purpose of this design: This design is used for the cultivation of aquatic plants and animals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a river regulation ecological floating bed and a river regulation method, and relates to the technical field of sewage treatment. The ecological floating bed comprises a buoyancy disc and aquatic plants arranged on the buoyancy disc, and further comprises a balancing weight located below the center of the buoyancy disc, a supporting vertical frame is arranged above the balancing weight, a telescopic frame is in sliding fit with the balancing weight in the axial direction of the supporting vertical frame, and a limiting sliding table is rotationally installed at the top end of the supporting vertical frame; at least one side of the limiting sliding table is provided with a deflection reset assembly. Through the arrangement of the deflection reset assembly, the combination of the buoyancy disc and the aquatic plants can float and move along with the wind direction by taking the balancing weight as a fixed point, and can automatically reset to an initial position after wind power is ended, so that the aquatic plants can dynamically float and move around the balancing weight as a circle center, and the ecological management range of a river channel is expanded; the device not only has a more stable purification state, but also has a large-range ecological management capability, and can synchronously float and lift along with the fluctuation of a water body all the time.

The application discloses a kind of water ecological restoration plant community management method and system based on neural network, method includes: based on SOFM neural network, water body stratification detection is carried out to target water area, and stratification result is obtained;According to stratification result, dynamic hydrological data sampling is carried out to each water layer using water body monitoring equipment, and the sampling result of each water layer is obtained;According to aquatic plant distribution data and aquatic animal distribution data, corresponding biological information and water layer natural ecological environment data are called to construct target database;Based on BP neural network, according to target database, determine the dynamic change rule of target water area within a predetermined time;Judge whether the dynamic change rule meets the preset restoration target, according to the judgment result, based on ecological restoration principle, calculate the plant species and corresponding quantity required for each water layer, and obtain the calculation result;According to the calculation result, the plant community of target water area is managed using plant management equipment.

1. Name of the product in this design: Multifunctional Corner Plant Basket. 2. Purpose of this design: for planting aquatic plants in fish tanks. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of riparian zone ecological restoration, and discloses a riparian zone staged progressive ecological restoration method which comprises the following steps: dividing a dry area and a wet area according to a riparian zone shoreline, respectively laying a base layer protective layer and a double-layer base, laying an aquatic plant lawn and fixing the root after water flow erosion, deposition operation and standard judgment, and finally, carrying out ecological restoration. And finally, observing the rooting state and carrying out maintenance and complementary planting, and synchronously collecting data in each link and adjusting as required. Through staged refined operation, in combination with core links such as data acquisition, analysis and judgment, base laying optimization, deposition regulation and control and plant maintenance, orderly promotion of ecological restoration of the riparian zone is achieved, and pertinence and continuity of the restoration process are guaranteed.

The utility model discloses an artificial wetland aquatic plant planting device which comprises a floating plate and an aquatic plant potted plant, the top of the floating plate is provided with a planting groove used for installing the aquatic plant potted plant, the bottom of the aquatic plant potted plant is provided with a fixing ring, and the bottom of the floating plate is provided with a fixing mechanism used for fixing the fixing ring. Grooves and protrusions which are evenly distributed are alternately arranged at the corners of the floating plate, and the grooves are matched with the protrusions. The grooves and the protrusions are arranged on the floating plates, so that the splicing efficiency of the floating plates is high, the multiple floating plates are connected in series for use through the connecting strips during splicing, and the floating plates are not prone to disengagement; by arranging the planting groove, the aquatic plant pot plant can be conveniently placed, the aquatic plant pot plant is fixed through the fixing mechanism, and the planted aquatic plant pot plant can be clamped to stably move on the floating plate up and down.

The invention discloses a water quality purification system based on a heterogeneous catalytic material and an ecological floating bed. The water quality purification system comprises a floating bed device, a purification device, a fixing device and a water moving trolley, the floating bed device comprises a floating bed carrier and aquatic plants planted on the floating bed carrier; root systems of the aquatic plants extend into the water, and microorganisms are attached to the root systems; the purification device is arranged on the floating bed carrier, is in contact with water flow and comprises a plurality of purification assemblies distributed on the floating bed carrier at intervals, and each purification assembly comprises a purification bag suspended on the floating bed carrier and a heterogeneous catalytic material loaded in the purification bag; the fixing device is arranged on the floating bed carrier and fixes the floating bed carrier on the water surface of a target area; the water moving trolley is connected with the floating bed carrier and drives the floating bed carrier to the water surface of the target area; according to the water quality purification system disclosed by the invention, a material-plant-microorganism three-in-one synergistic purification framework is constructed, and the potential of an ecological floating bed in the aspects of sustainable pollution control and phosphorus resource recovery is remarkably enhanced.

The invention discloses a sewage plant tail water treatment system and method, and relates to the technical field of sewage treatment.The sewage plant tail water treatment system is applied to tail water generated by a sewage plant adopting an ozone advanced oxidation technology, and the treatment system comprises an activated carbon reaction device, a denitrification reaction device, an ecological pond and a horizontal subsurface flow wetland; the activated carbon reaction device is communicated with the tail water pipe and comprises an activated carbon filtering layer, and the activated carbon filtering layer is used for adsorbing chemical oxygen demand and dissolved oxygen in tail water; the denitrification reaction device is communicated with the activated carbon reaction device and comprises a denitrification filter material layer, and the denitrification filter material layer is used for autotrophic denitrification nitrogen removal of tail water; the ecological pond is communicated with the denitrification reaction device and comprises aquatic plants and aquatic animals; the horizontal subsurface flow wetland is communicated with the ecological pond and is used for deeply filtering the tail water. The treatment system can improve the purification effect of the tail water of the sewage plant.