1950 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 discloses a large and medium shallow lake water quality improving method based on hydrodynamic optimization and vegetation community restoration, and relates to the technical field of lake treatment and ecological restoration. Comprising the following steps: step 1, reducing lake-entering pollution load; arranging an in-and-out river mouth sediment settling reservoir to increase a river mouth water-passing section; 2, high-concentration water entering the lake and low-concentration water in the lake body are isolated; remodeling a near-shore area terrain of a shore zone where the lake-entering river channel is located, and arranging an ecological submerged beach, a drainage groove and a mud flow capturing groove; 3, improving the habitat of the aquatic plants on the large water surface; designing matrix purse seine units for flow choking and wave dissipation; a plurality of matrix purse seine units are designed to spatially separate a large water surface, and floating plants are fixed in a local area by using the matrix purse seine units; 4, preparing an aquatic plant community; and recovering pioneer floating-leaf plants and submerged plants. According to the method, a hydrodynamic optimization project and a vegetation community reconstruction project are combined, the water quality is improved, and the ecological system structures of large and medium-sized shallow lakes are improved.

The invention belongs to the technical field of river channel interception, and discloses a composite fluid interception and purification device for river channel ecological restoration, which comprises mounting racks arranged on both sides of a river channel, and also comprises a collection assembly arranged on the mounting racks and used for gathering river channel garbage and aquatic plants. The device is installed in a river channel through the supporting assembly and the connecting assemblies, the two connecting assemblies form an included angle for guiding river channel garbage, the driving motor drives a second transmission gear and a third transmission rod to rotate, and a first transmission gear drives a magnetic chain, a first blocking net and a shifting plate to rotate; garbage is intercepted by a first blocking net under the action of water flow and conveyed into collecting assemblies to be stored through rotation of the first blocking net and a shifting plate, meanwhile, two second transmission gears are meshed with each other, so that garbage in a river channel is conveyed into the collecting assemblies on the two sides of the river channel through reverse rotation of two connecting assemblies, and the river channel cleaning range is guaranteed; and the river channel garbage cleaning effect is effectively improved.

The invention relates to river water ecological management equipment and a water ecological management method, and relates to the technical field of river water ecological management. The river water ecological management equipment comprises a cutting device arranged at the front end of a ship body and used for cutting aquatic plants, and a collecting device arranged at the tail end of the ship body and used for collecting the aquatic plants; a conveying device for conveying cut aquatic plants floating on the water surface to the collecting device is arranged in the middle of the ship body, and a propelling device for driving the ship body to move in a river channel is arranged at the tail of the ship body; the cut-off device comprises a first cutting piece, a second cutting piece and a cutting driving assembly, the first cutting piece is arranged in the width direction of the ship body, and the second cutting piece is arranged on the first cutting piece in a sliding mode and driven by the cutting driving assembly to slide in a reciprocating mode. The waterweed cleaning device achieves the effect of efficiently cleaning waterweeds in the river channel and can adapt to different water depths, and meanwhile, the stability and the working efficiency of the device can be improved through automatic balance adjustment.

The invention relates to the technical field of ecological breeding, in particular to an ecological breeding method based on a water ecological restoration system, which comprises the following steps: evaluating the water quality of a water area subjected to chemical restoration, evaluating the water pollution degree of the water area, and determining the water ecological restoration system according to the evaluation result of the water pollution degree of the water area. Calculating the maximum putting density of the target aquatic plants corresponding to the water area and the maximum putting quantity of the target microorganisms; finally determining the optimal putting proportion of the target aquatic plants and the target microorganisms in the water area; after the water area is put according to the optimal putting proportion of the target aquatic plants and the target microorganisms, a monitoring period is set, the water quality of the water area in the monitoring period is monitored, and the target aquatic plants and the target microorganisms are monitored according to the water quality monitoring result of the water area in the monitoring period. Adjusting the planting density of the target aquatic plants corresponding to the water area in the next monitoring period and the feeding quantity of the target microorganisms; the ecological balance of the water area can be recovered, the self-cleaning capacity of the water body can be improved, and a guarantee is provided for regional ecological safety.

The invention relates to the technical field of waterweed planting, in particular to a waterweed planting device suitable for shrimp and crab ponds.The waterweed planting device comprises vertical plates arranged in a bilateral symmetry mode, and a waterweed discharging mechanism used for placing a large number of waterweed seedlings is arranged between the rear sides of the vertical plates on the left side and the right side; an algae inserting mechanism used for grabbing waterweed seedlings at the bottommost position of the algae discharging mechanism and transplanting the waterweed seedlings is arranged between the front sides of the vertical plates on the left side and the right side, and the algae discharging mechanism comprises a plurality of seedling placing groove frames which are arranged between the vertical plates on the left side and the right side at equal intervals in the left-right direction. According to the technical scheme, adaptive adjustment can be carried out according to the planting plant spacing requirement of the elodea nuttallii seedlings, the applicability is high, meanwhile, the seedling plant quality of the elodea nuttallii seedlings is effectively guaranteed through a multi-point type automatic pushing seedling discharging mode, the survival rate of the elodea nuttallii seedlings is increased, the seedling clamping and seedling inserting processes can be automatically carried out, and the planting efficiency of the elodea nuttallii seedlings is effectively guaranteed.

The invention relates to the technical field of water environment restoration and ecological management, and particularly discloses a sink increasing method based on whole-process water environment restoration and green land water ecological system management, and the method comprises the following steps: identifying and controlling a pollution source through remote sensing and machine learning technologies; a biological floating island, an artificial wetland and physical and chemical means are utilized to carry out water body remediation; the carbon sink function is optimized through the synergistic effect of aquatic plants, greenbelt vegetation and microorganisms; and dynamic monitoring and a feedback control model are combined to regulate and control repair measures in real time. According to the carbon sink increasing method, the carbon sink optimization mathematical model is adopted, the carbon absorption stock of the water body, the green land and the microorganisms is comprehensively calculated, the service function of the water body ecological system is improved, non-point source and point source pollution can be effectively controlled, the water quality is improved, the water ecological system is restored, meanwhile, the regional carbon fixing amount is remarkably increased, and collaborative promotion of ecological restoration and the carbon sink target is achieved.

The invention discloses Pseudomonas sp. W50 and an application of the Pseudomonas sp. W50 in degradation of xanthate by combining the Pseudomonas sp. W50 with Cynanchum otophyllum. The Pseudomonas sp. W50 is preserved in Guangdong Microbial Culture Collection Center on July 31, 2024, and the preservation number of the Pseudomonas sp. W50 is GDMCC NO.64924. The Pseudomonas sp. W50 is preserved in the Guangdong Microbial Culture Collection Center on July 31, 2024. The degradation rate of 100mg / L BuX in 9h reaches up to 99%, and the strain also has various growth promoting characteristics of dissolving phosphorus, dissolving potassium, secreting IAA and GA and degrading cellulose. The BuX-polluted wastewater remediation agent can be used for remediation of BuX-polluted wastewater, can play a synergistic interaction role when being combined with pinkflower clover herb, has a more remarkable remediation effect, provides a new method for treatment of BuX pollution and promotion of healthy growth of aquatic plants in mining areas, and has a wide application prospect.

The invention discloses an ecological floating bed for ecological environment protection, and relates to the technical field of ecological floating beds. The ecological floating bed comprises a floating plate and placing grooves uniformly formed in the floating plate; the planting mechanisms are uniformly arranged in the placement groove and are used for planting aquatic plants; the elastic pieces are arranged on the planting mechanisms and are used for reducing the flow rate of water flow entering the planting mechanisms; the flow guide plates are arranged on the outer side of the elastic piece at equal angles and used for reducing impact of water flow on the roots of the aquatic plants, and the auxiliary driving mechanisms are arranged at the two ends of the flow guide plates and used for driving the flow guide plates to rotate synchronously in the same direction and driving the elastic piece to stretch and deform in a self-adaptive mode. On one hand, the flow guide plates play a role in flow guide and dispersion in the water flow direction, impact damage to plant roots caused by water flow directly is effectively reduced, on the other hand, part of water flow can flow to the planting barrel through gaps between the flow guide plates and the elastic pieces, the retention time of water entering the planting barrel is prolonged, and therefore the purification effect of plants on the water is improved.

The invention discloses a preparation method of a crown ether functionalized anti-pollution nanofiltration membrane, which comprises the following steps: soaking a membrane of a commercial nanofiltration membrane in pure water, and coating the surface with a double-end epoxy compound ethanol solution; uniformly coating the surface of the membrane with an aza 12-crown-4 methanol solution; and drying the membrane in an atmosphere of 40-90 DEG C to obtain the crown ether functionalized anti-pollution nanofiltration membrane. The nano-filtration membrane is realized by chemically grafting aza 12-crown-4 on the membrane surface of a commercial nano-filtration membrane by utilizing a double-end epoxy compound; compared with a traditional nanofiltration membrane, the crown ether functionalized nanofiltration membrane provided by the invention has the advantages that the electronegativity of the surface is reduced, and the surface is similar to an aquatic plant molecular brush structure, so that the deposition of pollutants on the surface of the membrane can be effectively improved, and the anti-pollution performance of the membrane is enhanced; meanwhile, due to the complexing effect of 12-crown-4 molecules on lithium ions, the lithium ions can be effectively captured, concentration polarization of the lithium ions on the surface of the diaphragm is improved, and then the magnesium-lithium separation efficiency of the diaphragm is improved.

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 movable ecological floating bed device and an ecological restoration method. The device comprises a walking mechanism, and an ecological floating bed is arranged on the walking mechanism; aquatic plants are planted on the ecological floating bed (2); an underwater suspension device (3) is arranged at the bottom of the ecological floating bed (2); the walking mechanism can drive the ecological floating bed to walk in the water body, so that the floating bed drives the aquatic plants and the underwater suspension device to move. The walking mechanism drives the ecological floating bed to walk in the water body, so that the floating bed drives the aquatic plants and the underwater suspension device to move, the water body is in a dynamic disturbance environment, the water body purification effect is improved, the walking mechanism can adjust the height of the ecological floating bed, and in the rainfall period, smooth water passing of a river channel can be guaranteed, and flood drainage is not affected.

The utility model discloses an agricultural and fishery photovoltaic power station system, which relates to the technical field of agricultural and fishery energy conservation and comprises a photovoltaic module, a photovoltaic power generation module, a photovoltaic power generation module and a photovoltaic power generation module. An adjustable spectrum lamp is suspended on the lower side of the photovoltaic module; an image sensor is arranged on the side face of the photovoltaic support. The control system comprises a signal receiving module, a processing module and a control module; the signal receiving module is used for receiving a transmission signal of the image sensor; the processing module is used for judging the plant type and the growth period and selecting a corresponding spectrum to output a control signal; and the control module is used for controlling the on and off of the control switch and the type of the spectrum output by the adjustable spectrum lamp according to the control signal. By the adoption of the scheme, when photovoltaic power generation is carried out on the outdoor water surface, light supplementing can be carried out on the shielded aquatic plants, and therefore growth of the aquatic plants is promoted through the adaptive spectrum light source, and the agricultural and fishery production yield is increased.

The invention belongs to the field of lake ecological desilting, and discloses a shallow lake bottom mud ecological desilting and residual water treatment combined treatment method which comprises lake bottom mud ecological desilting, solidification dehydration treatment and residual water treatment. Ecological dredging of the lake bottom mud is implemented by adopting an environment-friendly cutter suction dredger and a sealed pipeline to convey mud, and the bottom mud is conveyed to a mud discharge field to be solidified and dehydrated. A vacuum preloading technology is adopted for solidification and dehydration of the bottom mud, pore water of the bottom mud is effectively discharged by increasing the pressure difference between soil bodies of a drainage plate, and the overall solidification effect is improved. The residual water treatment comprises the treatment of desilting and solidifying residual water, the technologies of multi-stage precipitation, mechanical aeration, aquatic plant remediation and the like are adopted, and the residual water is discharged nearby after being treated to reach the standard. The combined treatment method aims at effectively reducing endogenous pollution of lakes, promoting lake water quality improvement and guaranteeing water safety of regional lakes and reservoirs, and is particularly suitable for ecological dredging engineering of shallow lakes, short construction period and fine-particle bottom mud.

The invention discloses a method for killing, preventing and controlling alien species ampullaria gigas in a riverway, and relates to the technical field of alien species prevention and control. According to the distribution position of the detected ampullaria gigas, a plurality of positions where the number of the ampullaria gigas is large are selected for putting trapping cages, and bunchy aquatic plants are bound in the trapping cages through ropes; and feeding a certain proportion of natural enemy organisms of the ampullaria gigas into the trapping cage. The position, number and distribution of the ampullaria gigas are accurately recognized by using the unmanned aerial vehicle carrying the laser radar, the cost effectiveness is good, black carps are accurately put according to the volume of the trapping cage, resource waste caused by blind putting is avoided, the cost of the trapping cage and the bait is low, the overall cost is effectively controlled, natural enemies are put after trapping, the ampullaria gigas capturing and killing efficiency is greatly improved, and the economic benefit is high. The water quality and the aquatic plants are monitored regularly, the ecology is restored in time, the ecological balance recovery of the river channel is powerfully promoted, and a scientific, efficient and environment-friendly solution is provided for prevention and control of the ampullaria gigas.

The invention discloses a lake eutrophication biological treatment system and a dynamic method based on multi-dimensional cooperative regulation and control. Exogenous pollution control, layered biological manipulation and artificial intelligence dynamic feedback are fused, and the method is particularly suitable for moderate eutrophication water bodies with nitrogen and phosphorus exogenous input not completely cut off. According to the gradient filling structure, macromolecular organic matters are intercepted by using shallow coarse particles, and middle / fine particles specially attack phosphate adsorption, so that graded removal of pollutants is realized; fish ingestion and benthic organism disturbance have a synergistic effect, secondary pollution of aquatic plant litter degradation to a water body is reduced, transfer of nitrogen and phosphorus from the water body and plant litters to animal objects is promoted, and the coupled system can reduce the phosphorus release rate of bottom mud, improve the stability of FePO4 precipitation and synchronously degrade sulfides and organic matters in the bottom mud; electric shock damage to benthic organisms is avoided through the micro-current intensity, sulfur metabolites can be used as a nutrient source of submerged plants, and biological self-purification and resource utilization of eutrophic water are achieved.

A hydroponic system for cultivation and harvesting of floating aquatic plants is provided. The hydroponic system includes an arrangement of a plurality of vertically-stacked cultivation trays, each tray containing an amount of fluent media on which floating aquatic plants are able to grow. The hydroponic system also includes a media reservoir in which fluent media is contained and subject to treatment before being circulated to the cultivation trays and a harvesting reservoir for receiving aquatic plants grown in the cultivation trays and harvested from the same. The hydroponic system further includes an automated control system that manages media flow into and from the trays and aquatic plant harvesting from the trays. A method of cultivating and harvesting floating aquatic plants is also provided.

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 belongs to the technical field of water quality purification, and particularly relates to an ecological landscape water quality purification device which is characterized in that a floating block assembly, a microbubble generator, a spraying pipeline and a water pump are mounted at the top of a box body, the floating block assembly is arranged at the top of the box body and used for planting aquatic plants, and root system groups of the aquatic plants penetrate through the floating block assembly to enter the box body; the microbubble generator is mounted in the center of the top of the box body and is used for improving the oxygen concentration of water; the spraying pipeline is mounted at the top of the box body and is used for spraying water onto the aquatic plants; the water pump is installed in the box body, the output end of the water pump is connected with the spraying pipeline, the water pump is used for providing power for spraying water to the spraying pipeline, the ecological landscape water is oxygenated through the microbubble generator, and the purifying effect of the purifying device on the ecological landscape water quality is better.

The invention discloses an ecological fish culture system capable of automatically purifying water. Comprising a user terminal, a cloud data center platform, a purification system, a real-time water quality detection module, a data acquisition and transmission module, an intelligent data analysis and management module, a remote monitoring and early warning module, an abnormal early warning processing module, a water purification linkage module, a data analysis visualization module and a culture system. Compared with the prior art, the aquaculture system has the advantages that the aquaculture system is added, circulating aquaculture of ecological fishes is achieved, a filter tank is established through a biological filter tank module in the aquaculture system by means of microbial populations, and the ecological fishes can be cultured in a circulating mode through the biological filter tank module in the aquaculture system, so that the aquaculture efficiency is improved, and the aquaculture cost is reduced. Harmful substances are converted into harmless substances through specific microbial populations, the harmful substances in water are absorbed by aquatic plants through the multi-stage purification module, and suspended particles and impurities in the water are filtered through mechanical objects such as a filter screen and filter cotton.

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 relates to the technical field of hydraulic engineering sampling, in particular to a detection sampling device for hydraulic engineering. The device comprises a sampling barrel, wherein a water inlet is formed in the side wall of the sampling barrel; a fine filter screen is mounted on the water inlet, and a coarse filter screen is mounted on the outer side of the fine filter screen; a rotating shaft is coaxially arranged between the fine filter screen and the coarse filter screen, and a cleaning brush for cleaning the fine filter screen and the coarse filter screen and a stirring cutting blade for stirring large impurities or cutting aquatic plants are mounted on the rotating shaft; a water sample can be secondarily filtered through the arrangement of the coarse filter screen and the fine filter screen, the coarse filter screen and the fine filter screen can be cleaned through the arrangement of the cleaning brush, and large impurities are pushed aside or aquatic plants are cut by stirring the cutting blade while cleaning is conducted.

The utility model relates to a river, lake and channel bottom water body ecological management device which comprises a lower box body which sinks underwater and is close to the water bottom and an upper box body which is provided with an open top end, is half-submerged in the water and emerges from the water surface, and the upper box body and the lower box body are connected through a telescopic communicating pipe; an upper hollow box is arranged around the outlet of the communicating pipe in the upper box body, the water surface of the water body in the upper box body and the water surface of the water body outside the upper box body are mutually isolated, and the bottoms are communicated; a lower hollow box for adjusting the depth from the lower box body to the water bottom is arranged around the inlet of the communicating pipe in the lower box body; the upper box body and the lower box body are provided with facilities which are prevented from being washed away by water flow. According to the device, the method and the design method, sediments at the bottom of a water body are continuously conveyed to the surface layer of the water body under the action of water surface evaporation and plant transpiration by using an upper box body and a lower box body which are provided with communicating pipes without any manual or mechanical action, so that nutrients are provided for aquatic plants planted in the upper box body, and the water environment of rivers and lakes is improved.

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 relates to the technical field of ricefield eel culture, in particular to a method for culturing ricefield eel under a photovoltaic panel, which comprises the following steps: arranging a photovoltaic panel in a pond, building a net cage by utilizing gaps of the photovoltaic panel, transplanting aquatic plants before fry stocking, and stocking ricefield eel fry when the coverage rate of the aquatic plants reaches a certain value; an adjusting mechanism is arranged on the photovoltaic panel, the photosynthesis of the aquatic plants is controlled by adjusting the inclination angle of the photovoltaic panel and adjusting the illumination rate and illumination time of the aquatic plants, the photovoltaic panel adjusts the water quality in the pond by controlling the growth and coverage rate of the aquatic plants, and a monitoring mechanism for monitoring the water quality condition is arranged in the pond; and the monitoring mechanism and the adjusting mechanism are powered by a photovoltaic panel. The water quality is improved through alternanthera philoxeroides, the photovoltaic panel shields sunlight to control the alternanthera philoxeroides to conduct photosynthesis, excessive breeding of the alternanthera philoxeroides is avoided, the photovoltaic panel generates power to supply power to the photovoltaic panel adjusting mechanism and the water quality monitoring mechanism, water quality monitoring and control are achieved, and the survival rate of ricefield eel breeding is guaranteed.

The invention discloses multifunctional water quality parameter monitoring, sampling and analyzing equipment, and relates to the technical field of water quality sampling and analyzing equipment.The multifunctional water quality parameter monitoring, sampling and analyzing equipment comprises a sealed shell and a water quality monitoring device.The sealed shell is internally provided with a storage assembly used for continuously extracting water samples multiple times and annularly storing the water samples; a sampling assembly used for accurately obtaining water quality samples of different depths is arranged in the sealing shell, through the use of a crushing assembly, a pipe descending motor drives a driving bevel gear to rotate, a blocking conical cylinder drives a cutting blade to rotate, and the inclined surface of the blocking conical cylinder shovels off wound aquatic plants and sundries from the outer side of a spring pipe; meanwhile, the cutting blade rotates to cut off the wound aquatic plants and sundries, so that the effect of removing the aquatic plants and sundries wound on the outer side of the bourdon tube is achieved, and compared with the traditional sampling device which goes deep into the water bottom and is wound by the aquatic plants and sundries, the equipment can cut off the aquatic plants and sundries wound on the bourdon tube; and the situation that next water taking is affected by winding of the equipment in the using process is reduced.

The invention relates to the technical field of biochar preparation and sewage denitrification, in particular to a preparation method of quinone-rich biochar, a product and application of the quinone-rich biochar in strengthening iron-nitrogen circulation. The preparation method of the quinone-rich biochar comprises the following steps: drying, crushing and pyrolyzing a biomass material to obtain biochar; the biochar is soaked in an anthraquinone-2-sodium sulfonate solution, then filtering, washing and drying are conducted, and the quinone-rich biochar is obtained. According to the preparation method of the quinone-rich biochar, the biochar and the quinone-rich biochar are prepared by using aquatic plant yellow acorus calamus residues as raw materials, and reference is provided for resource utilization of aquatic plant biomass. The invention further provides a method for improving iron circulation-nitrogen conversion, the quinone-rich biochar has high quinonyl functional group content, and the iron circulation-nitrogen conversion efficiency can be remarkably improved by coupling the quinone-rich biochar with zero-valent iron.

A method is provided for biologically stimulating growth of and / or regulate enhancing performance plant for agricultural and non-agricultural purposes crop plants and non-crop plants like ornamental plants, industrial material plants, energy biomass production plants, pharmaceutical interest plants, spices, algae, kelp, etc. And beneficial productivity use in aquaculture as hydroponic systems, etc. comprising applying to the plants a DuckWeed.Bio Concentrated Products depending on the target crop customized formulation product and products having an a Auxin IAA or IBA or a combination comprised of Auxins to Cytokinins by biological activity measurement approximate concentration ratio of at least 10:1 to 30:1 and up to 100:1 to 500:1 but not limited to as synergistically can reach much higher levels of ration beyond 1000:1 depending on the compounding formulation mixes of Aquatic Plants and or its extracts.