428 results about "Constructed wetland" patented technology

The invention relates to a Fenton-like functional filler which is prepared from 10-20% of iron particles coated with a carbonized film, 10-20% of aluminum sulfate modified straw, 20-30% of PBAT-coated calcium peroxide, 20-30% of diatomite and 10-30% of an adhesive. A processing method of a Fenton-like functional filler comprises the following steps: uniformly mixing iron particles coated with a carbonized film, aluminum sulfate modified straws, PBAT-coated calcium peroxide and diatomite, then adding an adhesive, mixing isocyanate serving as the adhesive with polyol according to a volume ratio of 1: 5, and continuously and uniformly mixing; then the mixed raw materials are injected into a mold coated with a release agent in advance, the mold temperature ranges from 40 DEG C to 60 DEG C, the foaming curing time ranges from 15 min to 20 min, and the Fenton-like functional filler can be obtained. The invention relates to an application of a Fenton-like functional filler in constructed wetlands. The method has the beneficial effects that the method is not influenced by temperature, and the removal effect of the constructed wetland on nitrate nitrogen and refractory COD (Chemical Oxygen Demand) can be obviously enhanced.

The invention provides a low-carbon modular artificial wetland system and a carbon sink collaborative purification method thereof, and relates to the technical field of artificial wetlands, the low-carbon modular artificial wetland system comprises a modular box body, and a water inlet layer, a carbon sink layer and a purification layer which are sequentially arranged in the modular box body from top to bottom; the water inlet layer is used for filtering suspended matters through coarse sand; the carbon sequestration layer is used for adsorbing carbon dioxide through biochar and carbon sequestration microorganisms, and meanwhile, the carbon sequestration capacity is enhanced through the plant-microorganism synergistic effect; the purification layer is used for purifying a water body through an iron-based phosphorus removal material and a zeolite denitrification filler. The technical problems of low-carbon material selection, carbon sink potential excavation, renewable energy source coupling and greenhouse gas emission inhibition of an existing constructed wetland system are solved, the technical effects of efficient sewage purification and carbon emission reduction are achieved, and a carbon emission reduction closed loop of the whole life cycle is achieved.

The invention relates to the technical field of sewage treatment, and discloses an intelligent regulation type constructed wetland nitrogen and phosphorus removal control method, which comprises the following steps: S1, collecting constructed wetland multi-dimensional operation parameter data, and generating water quality dynamic monitoring data, plant physiological status data and microbial activity characteristic data; s2, calculating a pollutant removal efficiency index based on the water quality dynamic monitoring data, and generating nitrogen and phosphorus removal efficiency evaluation data; by integrating multi-dimensional operation parameter acquisition and acquiring water quality, plant physiological status and microbial activity data in real time, comprehensive perception of the operation state of the wetland system is realized, the integrity and real-time performance of system monitoring are ensured, collaborative analysis and intelligent decision are performed based on multi-source data, the pollutant removal efficiency is identified, and the system has a wide application prospect. The evaluation precision of the operation state of the wetland system is improved, and a basis is provided for subsequent regulation and control.

The invention discloses a multi-stage composite constructed wetland construction method based on micro-ecological optimization, and relates to the technical field of constructed wetland ecological restoration. According to the method, fluctuation characteristics of pollutant concentration and hydraulic load and coupling risks of the fluctuation characteristics are systematically and quantitatively recognized, a high-disturbance risk area and an induction succession area are accurately divided, and a multi-stage composite constructed wetland is constructed. The micro-ecological state and succession potential of the wetland are dynamically monitored and evaluated, the wetland type layout is scientifically regulated and controlled on the basis of the hydraulic path resistance index, the non-linear impact of pollution impact on micro-ecology is effectively relieved, the ecological self-repairing capacity and toughness of the wetland system are improved, the function passivation phenomenon is avoided, and the method is suitable for large-scale popularization and application. Meanwhile, the resource allocation efficiency and the pollution treatment effect are improved, the operation and maintenance cost is reduced, and the adaptability and continuous purification capacity of the constructed wetland to the complex polluted water body are remarkably enhanced.

The invention relates to the technical field of wetland ecological engineering, and discloses a constructed wetland comprehensive development system and method, computer equipment, a medium and a product, and the system comprises a multi-business collaborative coupling physical space configuration layer which is used for carrying out function division and space facility layout design in a target wetland region based on a multi-business collaborative coupling principle, a multi-business infrastructure is constructed based on function partition and spatial layout design; and the dynamic regulation and control center is in communication connection with the multi-business-state collaborative coupling physical space configuration layer, and the dynamic regulation and control center is used for collecting multi-source data of the multi-business-state collaborative coupling physical space configuration layer, monitoring the multi-business-state collaborative coupling physical space configuration layer in real time based on the multi-source data, dynamically coordinating operation of each business state and optimizing resource configuration. According to the invention, multi-business deep fusion is realized, intelligent dynamic regulation and control capability is realized, long-term stable operation of the system is guaranteed, and comprehensive economic, ecological and social benefits are improved.

The invention discloses a composite artificial wetland system, and relates to the technical field of artificial wetlands. The composite artificial wetland system comprises an ecological pool, and a surface flow wetland unit, a horizontal subsurface flow wetland unit, an internal circulation system unit and plant ecological buffer zone units around the wetland are arranged in the ecological pool; the surface flow wetland unit comprises a wetland water inlet pipe and a wetland water outlet pipe which are arranged on the two sides of the ecological pool respectively, a gravel layer and a medium-coarse sand planting layer are sequentially stacked and laid at the bottom of the ecological pool, and a submerged plant vallisneria natans community is planted on the medium-coarse sand planting layer; the invention solves the problems of single function, low treatment efficiency and the like of the traditional constructed wetland, has the advantages of prominent denitrification effect, good phosphorus removal and suspended matter interception effect, strong impact load resistance, low cost, easiness in maintenance, ecological friendliness, landscape fusion and the like, also has the advantages of initial rainwater interception and the like, and is wider in application range.

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 invention discloses a carbon source and sink accounting method based on flux observation, an ecological system carbon reserve accounting system and a flux observation carbon source and sink accounting system are established, and the ecological system carbon reserve accounting system obtains carbon reserves of plants, soil, water and ground mud based on a sample point investigation method to estimate the carbon reserves of the ecological system. Estimating regional carbon reserves in combination with remote sensing survey; the flux observation carbon source sink accounting system is based on the constructed wetland carbon sink monitoring system and monitors data in real time; regional ecological system carbon reserve dynamic accounting is carried out by combining sample plot investigation with a carbon sink model and a remote sensing image technology, compared with the prior art, long-term fixed observation sample plots are set from multiple angles of lake wetland water, soil and gas generation, and Hongze lake wetland carbon sink observation data acquisition is carried out; and carrying out parameter adjustment and correction by utilizing a modern technical means and a large model technology, carrying out Hongze lake carbon sink model construction, and realizing Hongze lake carbon sink value accounting.

The utility model relates to an aeration backwashing device for reducing blockage of a percolation tank of a constructed wetland. The device comprises a pore plate, a first backwash main pipe, a first backwash branch pipe, a second backwash main pipe and a second backwash branch pipe, a percolation tank is separated by the pore plate, the upper layer is a percolation layer, the lower layer is a drainage layer, the first backwash main pipe is mounted below an aeration main pipe, and the second backwash main pipe is mounted below the aeration main pipe. First backwash branch pipes corresponding to the aeration branch pipes are uniformly arranged on the first backwash main pipe, exhaust holes are uniformly formed in the first backwash branch pipes, and the first backwash main pipe is connected with air supply equipment through a second air supply pipe; the second backwash main pipe is mounted at the drainage layer, second backwash branch pipes are uniformly arranged on the second backwash main pipe, drainage holes are uniformly formed in the second backwash branch pipes, and the second backwash main pipe is connected with water supply equipment through a water supply pipe. According to the scheme provided by the invention, the percolation layer can be backwashed in a water-gas combination manner, and the blockage clearing effect on the percolation layer is ensured.

The invention provides a domestic sewage coupling treatment system and method based on artificial intelligence control, and relates to the technical field of sewage treatment.The domestic sewage coupling treatment system comprises a compact annular treatment unit module, an MFC-artificial wetland cooperation module, an LSTM-MPC hybrid control module and a hybrid energy supply module; constructing a sensor acquisition network, and acquiring corresponding data in real time; according to the data and based on an LSTM model, constructing a domestic sewage prediction treatment model, further outputting a predicted key water quality parameter set, and updating parameters of the domestic sewage prediction treatment model; according to the predicted key water quality parameter set, an optimization objective function is constructed, a corresponding control instruction after optimization is obtained, and optimization control over corresponding equipment is achieved; a full-dimension fault model is constructed, and a full-dimension fault analysis result is obtained according to the full-dimension fault model, so that a worker can make a maintenance preparation; and formulating an energy scheduling strategy, and realizing intelligent power supply of the system according to the energy scheduling strategy.

The utility model belongs to the technical field of organic pollutant removal, and provides a device for removing organophosphate in sewage by an iron-containing substrate reinforced artificial wetland, the iron-containing substrate comprises four layers, namely a gravel layer, a zeolite layer, a zeolite buffer layer and a quartz sand layer from bottom to top in sequence; and the zeolite layer is doped with an iron matrix. According to the device for removing the organophosphorus ester in the sewage by the iron-containing substrate reinforced artificial wetland, the reinforced removal of organophosphorus ester pollutants can be realized, the pollutant removal capability of an artificial wetland system is further effectively improved, and the ecological risk level of OPEs to a receiving water body is relieved; the device for removing the organophosphorus ester in the sewage by the iron-containing substrate reinforced constructed wetland is relatively simple in structure and convenient to construct, and has no other special requirements on the device in the process of removing the organophosphorus ester in the sewage, so that the operation cost can be effectively reduced.

The present application relates to the technical field of leakage detection, in particular to a method and system for detecting leakage of an anti-seepage layer in the construction of an artificial wetland, which determines the seepage time period in which each electrode grid may produce seepage by analyzing the changes in the potential difference data and humidity data of the electrode grid below the anti-seepage layer; based on the seepage time period, analyzes the coincidence of liquid diffusion between different electrode grids, and divides the electrode grid into several diffusion regions; divides the diffusion regions into suspected damage regions and diffusion interaction regions, and analyzes the area relationship between the suspected damage regions and the diffusion interaction regions to obtain the seepage damage probability of the diffusion region corresponding to each electrode grid; and according to the seepage damage probability, marks the leakage point region. Through the present application, the region where the anti-seepage layer may be damaged and diffused can be more accurately positioned, the accuracy of identifying the specific position of the anti-seepage layer where leakage occurs is improved, and the credibility of the leakage detection result of the anti-seepage layer is further improved.

This invention relates to an optimized control method for the enrichment of anaerobic ammonia-oxidizing bacteria based on niche regulation, comprising: S1, selecting key niche indicators of constructed wetlands as investigation factors, differentially setting the investigation factors to form experimental systems with different niches, conducting constructed wetland control and monitoring, and collecting data; S2, using the relative abundance and / or absolute abundance of anaerobic ammonia-oxidizing bacteria collected in S1 as dependent variables and the key niche indicators as independent variables, fitting and then predicting a model; S3, making predictions using the prediction model, comparing the prediction results with the control target, and optimizing the control of anaerobic ammonia-oxidizing bacteria enrichment in constructed wetlands based on the comparison results. This method can obtain a prediction model with high prediction accuracy, and then, by adjusting the niche indicators in constructed wetlands, the enrichment of anaerobic ammonia-oxidizing bacteria can be ensured, wastewater treatment efficiency can be improved, and a better total nitrogen removal effect can be achieved.

The utility model discloses a compound circulating type constructed wetland tail water treatment system, and belongs to the technical field of water treatment systems. The system comprises a vertical subsurface flow wetland, a horizontal subsurface flow wetland and a surface flow wetland which are sequentially connected in series, tail water firstly passes through a water distribution unit of the vertical subsurface flow wetland, passes through a first multi-layer filler from bottom to top, and then passes through a second multi-layer filler from bottom to top; according to the utility model, the three wetland systems are combined, and are strengthened in the circulating plug-flow type surface flow wetland, the function division is reasonable, the operation is simple, the operation is convenient, the cost is low, the operation is convenient, the operation is simple, the operation is convenient, the operation is convenient, the operation is convenient, and the cost is low. The tail water firstly enters the vertical subsurface flow wetland and the horizontal subsurface flow wetland to intensively remove various types of pollutants such as organic matters, nitrogen and phosphorus, and subsequently enters the surface flow wetland, and the submerged plants at the water bottom and the emergent aquatic plants on the water surface act together to intensify the purified water quality and improve the purification effect of the tail water.

The invention provides a method and a system for regulating and controlling nitrogen circulation of a constructed wetland by using root exudates, and relates to the technical field of constructed wetland sewage treatment. The method comprises the following steps: 1) constructing a plant root exudate database; 2) training a machine learning prediction model and optimizing parameters by adopting a machine learning algorithm and using the data of the plant root exudate database; 3) screening the compounds in the natural product database by using the machine learning prediction model in the step 2), predicting the denitrification potential of the compounds, and selecting candidate substances; and 4) constructing a microcosm culture system, in the microcosm culture system, detecting nitrogen removal and microbial response by adding the candidate substances obtained in the step 3) with different concentration gradients, and verifying the denitrification effect of the candidate substances. The system disclosed by the invention is high in datamation degree, simple and convenient to operate, accurate in prediction and low in cost, provides a new technical means for enhanced denitrification of the constructed wetland, and has a good industrial application prospect.

This invention relates to a high-efficiency nitrogen and phosphorus removal composite constructed wetland system based on short-cut nitrification-anaerobic ammonium oxidation (ATAO) co-embedded particles. The system comprises a surface flow constructed wetland, a vertical subsurface flow constructed wetland, an aeration pond, and a horizontal subsurface flow constructed wetland arranged sequentially along the water flow direction. The horizontal subsurface flow constructed wetland includes a soil layer and a layer of short-cut nitrification-anaerobic ammonium oxidation co-embedded particle filler. The main body of the composite constructed wetland system is submerged in the river channel, forming a closed corridor container through the constructed wetlands and the ecological pond frame, making full use of previously unusable space and achieving space saving. Compared with existing technologies, this invention overcomes the shortcomings of existing constructed wetlands, such as large land area, low nitrogen and phosphorus removal efficiency, and significant susceptibility to natural environmental influences. It has stronger processing capacity and better adaptability, achieving low-carbon, energy-saving, green, and highly efficient nitrogen and phosphorus removal.

The invention relates to the technical field of sewage treatment, in particular to a resource recycling method for rural domestic sewage. On the basis of the rural domestic sewage, after the rural domestic sewage is subjected to anaerobic-aerobic treatment, on one hand, the concentration of organic matters and the content of nitrogen and phosphorus in the domestic sewage are effectively reduced, on the other hand, the aerobic effluent is not specially treated, and the aerobic effluent still contains sufficient nitrogen and can be directly used for irrigation after being precipitated; meanwhile, sludge obtained by the sedimentation tank contains rich phosphorus, phosphorus in the sludge can be effectively extracted through carbonization and acid leaching of the sludge and can be used for supplementing phosphorus for crops, meanwhile, when effluent of the sedimentation tank needs to be discharged, the constructed wetland is adopted for further treatment, and sludge carbonized slag is made into filler to be used in the constructed wetland, so that the sludge can be recycled. The device has a good water quality purification effect, realizes treatment and recycling of water resources, and is of great significance to environmental protection and resource saving.

The utility model provides a kind of artificial wetland of urban sewage treatment, including preliminary filter box and wetland body, the left side of preliminary filter box is connected with inlet pipe, the right side of wetland body is located preliminary filter box, the right side of preliminary filter box is connected with drain pipe, the middle end of drain pipe is fixedly installed with water pump, the end of drain pipe away from preliminary filter box is connected into the inner chamber of wetland body, the outside of preliminary filter box is fixedly installed with fixed frame, the surface of preliminary filter box is provided with cleaning mechanism, the cleaning mechanism includes motor, driven gear, support frame and frame, by setting cleaning mechanism, it can effectively avoid after carrying out preliminary filtration to sewage, due to the influence of garbage, leading to sewage cannot normally flow into the situation occurs in the inner chamber of wetland body, while reducing the step of manually fishing garbage in the inner chamber of preliminary filter box, reduce the waste of artificial cost.

The invention discloses a lake-entering estuary wetland system. The sewage treatment device sequentially comprises a water inlet unit, a speed reduction and siltation promotion area, a deep turbidity reduction area, an enhanced purification area, a water quality stabilization area and a water outlet unit in the water flow direction, the lake-entering estuary wetland system is separated from the lake through an embankment; the water inlet unit comprises a wetland water inlet gate and a flood discharge gate. Aiming at the special hydrology and water quality conditions of the estuary entering the lake, the invention solves the problems of low plant survival rate, easy system blockage, unstable purification efficiency and the like in the existing constructed wetland system.

The utility model relates to an enhanced denitrification device for a microbial electrolysis constructed wetland. The enhanced denitrification device comprises a constructed wetland system, an electrolysis system and an intelligent control system, the constructed wetland system comprises a water distribution area and a constructed wetland reaction area; a water inlet device is arranged in the water distribution area, and the water distribution area is communicated with the constructed wetland reaction area through the water inlet device; wherein an electrolysis system and an intelligent control system are also arranged in the constructed wetland reaction zone. The device has the advantages that the removal of pollutants, mainly nitrogen, of the constructed wetland is enhanced by mainly utilizing external voltage in the electrolysis system 2, and the water inlet flow, the external voltage and the distance between the electrodes can be adjusted according to the intelligent control system 3, so that the surface hydraulic load of the constructed wetland and the current intensity in the wetland are controlled; and the two systems cooperate to enhance the removal of pollutants, especially nitrogen, of the constructed wetland, so that the pollutants in water are efficiently removed, the water quality of discharged wastewater is improved, and the environmental water quality is improved.

The application discloses a magnetic LDH biochar as well as a preparation method and application thereof, and belongs to the technical field of pollution prevention and control. The preparation method of the magnetic LDH biochar comprises the following steps: sequentially performing puffing treatment and pyrolysis carbonization treatment on iron-containing biomass to obtain magnetic biochar; mixing a magnesium salt solution and the magnetic biochar, and then performing hydrothermal reaction to obtain magnetic loaded iron-magnesium hydrotalcite biochar; mixing the magnetic loaded iron-magnesium hydrotalcite biochar and a nitrogen source, and then heating and doping to obtain the magnetic LDH biochar. The magnetic LDH biochar prepared by the application can adsorb dissolved oxygen around the carbon material, improve the mass transfer efficiency and dissolved oxygen utilization rate of microbial degradation of pollutants in the artificial wetland, rapidly enrich oxygen, increase the dissolved oxygen concentration of the water body, has the advantages of low energy consumption, difficulty in blocking, high nitrogen and phosphorus removal efficiency and the like, and when the magnetic LDH biochar is applied to the intermittent aeration artificial wetland, the nitrogen and phosphorus treatment performance of the artificial wetland can be effectively strengthened.

The present application relates to the technical field of sewage treatment, in particular to a method for recycling and utilizing rural domestic sewage. Based on rural domestic sewage, the method effectively reduces the concentration of organic matter and the content of nitrogen and phosphorus in the domestic sewage after anaerobic-aerobic treatment. The aerobic effluent still contains sufficient nitrogen, which can be directly used for irrigation after precipitation. The sludge obtained from the sedimentation tank contains rich phosphorus, which can be extracted by carbonization and acid leaching of the sludge, and used for supplementing phosphorus for crops. When the effluent from the sedimentation tank needs to be discharged, it is further treated by artificial wetland, and the carbonization residue of the sludge is made into filler for the artificial wetland, which has good water purification effect, realizes the treatment and recycling of water resources, and has important significance for environmental protection and resource conservation.

The application relates to a horizontal subsurface flow constructed wetland system capable of adding agricultural biomass carbon sources, and belongs to the technical field of environmental protection and water treatment technology. The system comprises a water inlet collecting area, a carbon source adding unit arranged in the water inlet collecting area, a ceramsite type wetland unit connected with the water inlet collecting area, a brick slag type wetland unit connected with the ceramsite type wetland unit, a zeolite type wetland unit connected with the brick slag type wetland unit, an oyster shell type wetland unit connected with the zeolite type wetland unit, and a water outlet collecting area connected with the oyster shell type wetland unit. Plants are planted on the ceramsite type wetland unit, the brick slag type wetland unit, the zeolite type wetland unit and the oyster shell type wetland unit. Agricultural wastes are arranged in the carbon source adding unit. Water in the water inlet collecting area enters the ceramsite type wetland unit through the carbon source adding unit and a water passing assembly. The application has the effects of maintaining sufficient carbon sources in the wetland system, applying agricultural wastes to the water treatment wetland system, and improving the utilization rate of the agricultural wastes.

The invention provides a method and a device for predicting the effluent concentration of pollutants in a constructed wetland based on machine learning, and the technical key points are as follows: constructing a multi-feature data set by collecting data including environment operation conditions, water quality parameters and wetland conditions of the constructed wetland; an initial constructed wetland water quality prediction model is constructed, and the processed multi-feature data set is trained through four single-output machine learning models of a random forest, gradient lifting, limit gradient lifting and a gradient lifting decision tree; a plurality of indexes are adopted to evaluate the prediction performance of the four single-output machine learning models on the test set, and an optimal single-output model with the optimal comprehensive performance of the indexes is obtained; establishing a multi-target joint prediction model of multi-output regression by using the optimal single-output model, and predicting the water quality index of the effluent of the constructed wetland; and sorting the importance of different target variables which are explained by the multi-target joint prediction model and are influenced by the multi-target joint prediction model through an SHAP method.

This invention belongs to the field of environmental pollution control technology, specifically relating to a clog-resistant and low-maintenance constructed wetland system. The clog-resistant and low-maintenance constructed wetland system is characterized by comprising a sludge removal system, a purification system, and water supply pipelines. The sludge removal system includes a perforated load-bearing plate, with the purification system installed on top of the plate. The bottom of the plate has a sedimentation layer, which is connected to the outside environment through a sludge removal channel. The purification system includes a packing layer, a collection channel, and a spiral sedimentation column. The packing layer is connected to the perforated load-bearing plate, and the collection channel contains the spiral sedimentation column. The water supply pipeline includes an inlet pipe and an outlet pipe, which are respectively located on both sides of the purification system. This invention can significantly improve the purification effect of constructed wetlands and reduce the difficulty and workload of their operation and maintenance.

The application relates to a method for preparing a synchronous carbon fixation, denitrification and phosphorus removal functional material by using bulk solid waste. The method comprises the following steps: S100, preparation of a biochar material; S200, preparation of a compound activator; S300, preparation of a mixed powder; S400, preparation of a precursor slurry; and S500, slurry injection, dewatering and curing. The biochar is prepared from bulk solid waste, i.e. blast furnace slag and reed, and is compounded through alkali activation, molding and curing processes, and has the advantages of low cost, high mechanical strength, good pollutant removal effect and the like, and can solve the technical problems of the present artificial wetland filler, such as single function, low phosphorus removal efficiency, easy saturation, inability to simultaneously remove nitrogen and high carbon footprint. The raw material source is wide, the production process has low requirements on the site and energy, is beneficial to the resource treatment of bulk solid waste, conforms to the concept of green economy, and has the potential for large-scale production and application.

The application discloses a tidal flow artificial wetland tail water sediment secondary degradation device and a use method, and belongs to the technical field of tidal flow wetland sediment treatment. The device comprises a rigid support and a rotating motor. The top of the rigid support is supported by a rigid supporting plate, and a tail end plate is installed on the rigid supporting plate. A plurality of telescopic mechanisms are installed on the rigid supporting plate. The rotating motor is suitable for driving the plurality of telescopic mechanisms to extend and retract. The output end of the plurality of telescopic mechanisms is provided with a scraper, and the scraper moves on the rigid supporting plate. The rigid supporting plate is arranged to be inclined, and a mounting notched plate is arranged on the side away from the tail end plate. The device further comprises a stirring motor, which is installed in the mounting notched plate. The bottom of the stirring motor is provided with a slurry conveying part, which pumps the stirred slurry to the surface of the wetland soil layer. The application can ensure that the urban tail water can be fully degraded twice by stirring or depositing the mixture in the tidal water flow during the rising tide and the falling tide of the tidal flow artificial wetland, and then conveying the mixture back to the wetland.

The invention discloses a soil remediation and sewage purification integrated ecological treatment device which comprises a vertical flow artificial wetland region, a horizontal subsurface flow artificial wetland region and an ecological purification region which are sequentially arranged in the water flow direction, so that soil remediation and sewage purification are organically integrated, sewage can be purified, heavy metal can be prevented from migrating to soil, and the soil remediation and sewage purification effects are improved. The composite filler in the vertical flow artificial wetland realizes resource utilization of the polluted soil, the composite filler in the horizontal subsurface flow artificial wetland removes multiple pollutants in a targeted manner, and intermittent aeration is matched to improve the microbial activity, so that efficient green treatment of sewage and soil is realized. Soil in-situ remediation and sewage pretreatment are achieved in the vertical flow artificial wetland, pollutants are deeply purified and prevented from leaking in the horizontal subsurface flow artificial wetland, deep nitrogen and phosphorus removal and heavy metal absorption are achieved at the tail end of the ecological purification area, the risk of secondary pollution can be effectively avoided, and it can be ensured that the effluent quality stably reaches the standard.

The utility model discloses a modularized artificial wetland experimental device which comprises a stuffing box, a plurality of groups of isolation net-shaped partition plates are arranged in the stuffing box from top to bottom, the interior of the stuffing box is divided into a plurality of groups of stuffing cavities through the isolation net-shaped partition plates, and wetland stuffing is arranged in the plurality of groups of stuffing cavities. A plurality of groups of arc-shaped sealing plates corresponding to the packing cavities are hinged to the packing box, sealing rubber strips for sealing are arranged on the edges of the arc-shaped sealing plates, and the sealing rubber strips are tightly pressed and attached to the edges of the packing box; according to the modularized artificial wetland experimental device, only the filler of a certain layer can be replaced under the condition that other layers are not influenced, so that an experiment can be quickly and effectively carried out, the use and the assembly are more convenient, the filler can be replaced according to experimental requirements, the convenience of replacing the filler is improved, and the working efficiency is improved. Therefore, the practicability of the equipment is improved.

The invention relates to the technical field of self-adaptive control, in particular to an AI-driven constructed wetland biological carrier efficiency real-time evaluation and early warning system, which comprises a wetland operation state acquisition module, an AI-driven constructed wetland biological carrier efficiency real-time evaluation and early warning module and a constructed wetland biological carrier efficiency real-time evaluation and early warning module, the current instantaneous power value of the aeration machine and the dissolved oxygen concentration value fed back by the dissolved oxygen sensor are read in real time, a power micro-change increment value is obtained, the pollutant removal rate value of a constructed wetland biological carrier water outlet is synchronously collected, and a carrier environment state data flow is generated. According to the method, when the calculated marginal benefit deviates from the preset optimal energy efficiency benefit threshold value, the aeration power rate is adjusted in a self-adaptive mode, it is ensured that the input of aeration energy is matched with the instantaneous treatment requirement and potential of a biological carrier, conversion from process stability maintaining to resource utilization efficiency maximization is achieved, the treatment effect is ensured, and meanwhile the energy efficiency of the biological carrier is improved. The operation cost is reduced to the maximum extent.