1121 results about "Constructed wetland" patented technology

The invention provides an intelligent regulation and control method for a three-stage constructed wetland recirculating aquaculture system, and belongs to the technical field of machine learning. The method comprises the following steps: firstly, continuously collecting water quality data and operation control data of each control unit, and constructing a multi-source heterogeneous data set under a unified time scale; then, constructing a pollution evolution trend prediction model, and capturing a dynamic evolution trend of water quality along with time and control behavior changes; then, under the guidance of a prediction result, analyzing the similarity of historical states and the sensitivity of regulation and control response, automatically identifying key control parameters which influence the water quality change of the system at present, and reasoning the dynamic adjustable boundary of the key control parameters; and finally, constructing a reinforcement learning strategy network fusing state prediction, a parameter boundary and a control target, realizing multi-target tradeoff among pollutant removal efficiency, a water quality standard-reaching rate and operation energy consumption, and outputting an efficient and steady control strategy through continuous interactive training. According to the invention, efficient, accurate and robust operation of the wetland system can be realized.

The invention relates to the technical field of ecological restoration prevention and control, in particular to a sea-entering river pollution source targeted blocking and ecological restoration integrated prevention and control system which comprises a pollution source recognition unit, a targeted blocking unit, an ecological restoration unit and a cooperative control platform. The recognition unit combines a multispectral unmanned aerial vehicle with a water quality sensor and positions a pollution source through artificial intelligence traceability; the targeted blocking unit implements physical-chemical combined blocking according to pollution types; the ecological restoration unit purifies water and reconstructs ecology through a modular constructed wetland and the like; the cooperative control platform optimizes each unit strategy based on hydrological data; each unit correlation formula accurately calculates parameters, such as a recognition algorithm, a gate dam opening control formula and the like. According to the invention, multi-technology fusion and system collaboration are realized, pollution events can be quickly responded, measures are accurately applied, the sea-entering river pollution prevention and control efficiency is effectively improved, the treatment cost is reduced, and drainage basin water environment ecological restoration and sustainable development are promoted.

The invention relates to the technical field of water environment treatment, in particular to a water environment ecological treatment method and system based on a constructed wetland, and the method comprises the following steps: measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value of a root zone in the constructed wetland, and calculating the pollutant concentration distribution value and plant root system distribution density of each monitoring point; and obtaining a water quality root distribution characterization value. In an artificial wetland environment, the concentration of dissolved oxygen, the concentration of ammonia nitrogen, the concentration of total phosphorus, the water temperature and the pH value of a root zone are measured, the concentration distribution of pollutants is calculated, numerical calculation is carried out in combination with the distribution density of plant root systems, water quality root system distribution characterization is constructed, spatial heterogeneity analysis of wetland water quality is enhanced, and the targeting of pollutant degradation is optimized. Based on water quality root system distribution characterization, plant growth cycle parameters are calculated in combination with water quality parameters, association between water quality dynamic changes and plant growth states is constructed, and the adaptability of wetland ecological regulation and control is improved.

The invention belongs to the field of wastewater treatment. The invention provides a manganese-carbon composite controlled-release material as well as a preparation method and application thereof. The manganese-carbon composite controlled-release material comprises the following components: a manganese-rich mineral, a natural plant carbon source, a cementing material, aggregate, an additive and a foaming agent. The manganese-carbon composite controlled-release material disclosed by the invention can regulate and control the carbon release and manganese circulation process by virtue of the interaction between manganese and carbon, so that the electron transfer and mass transfer efficiency is remarkably improved, synergistic denitrification is realized, the overall denitrification efficiency is remarkably improved, and synchronous nitrogen and phosphorus removal and self-adaptive continuous denitrification are realized. The raw materials required for preparing the manganese-carbon composite controlled-release material are environment-friendly and low in price, the preparation process is simple, the preparation cost is low, and the manganese-carbon composite controlled-release material can be applied to filler in a submerged area of an artificial wetland, a biological filter and a biological retention system, and can be widely applied to application scenes such as tail water advanced treatment of a sewage treatment plant, rural agricultural sewage treatment and initial rainwater purification.

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 relates to the technical field of constructed wetlands. The invention provides a modular artificial wetland system for synchronous heating and carbon supplementation by using biological fermentation. The modular artificial wetland system comprises an artificial wetland purification module, a fermentation heating module, a carbon source release module and a control module. According to the invention, the constructed wetland system is designed into a plurality of functional modules, and each module independently exerts a specific function and can be flexibly combined and adjusted according to actual requirements, so that effective coordination of the whole process of heating, carbon supplement and purification is realized.

The invention relates to the technical field of water, waste water, sewage or sludge treatment, and particularly provides a constructed wetland operation state monitoring method and system.The method comprises the steps that based on a distributed sensing node array, water flow permeation rates, medium temperature gradients and dissolved matter concentration distribution of different depths and areas of a constructed wetland are collected in real time; generating a three-dimensional dynamic thermodynamic-substance diffusion map; extracting an actual flux difference value of an input-output cross section, and calculating the deviation degree between the current actual load and the theoretical purification capacity by combining the actual flux difference value with the historical adsorption capacity of the wetland medium; and integrating the historical load data with a current early warning report corresponding to the deviation degree, constructing a medium metabolism efficiency attenuation curve, predicting the saturation adsorption periods of matrixes in different regions, and reversely deducing an optimal maintenance node. The system comprises a map generation module, a deviation degree calculation module and a period prediction module. According to the method, discrete physical-chemical-biological process parameters are converted into a continuous decision flow through a space-time coupling model.

The invention provides a salt-tolerant plant constructed wetland system for treating eutrophicated mariculture wastewater, which specifically comprises a lower filler formed by mineral materials, and a middle filler formed by modified zeolite, sodium alginate coated vermiculite, rice husk charcoal, oyster shell, coral sand and diatomite, the surface filler is composed of intertidal zone bottom mud, intertidal zone raw water, coastal saline-alkali soil and composite algae powder, and the three fillers are combined with salt-tolerant plant breeding, bow-shaped water flow optimization and layered collaborative design; the core problems of poor salt tolerance, low adsorption efficiency, easiness in blockage, high maintenance cost and the like of the traditional constructed wetland during treatment of the mariculture wastewater are systematically solved.

The invention relates to the technical field of purification, in particular to a modular constructed wetland optimization method and device, electronic equipment and a storage medium, and is applied to a water purification system.The method comprises the steps that the inflow water amount, the inflow water quality and the outflow water quality are obtained; and calculating the water quality removal rate according to the inlet water quality and the outlet water quality. According to the method, the water quality removal rate of the water purification system is monitored, multi-level data processing is carried out through the pre-trained adjustment model, the preset comprehensive index prediction result of each index is calculated firstly, and under the condition that the comprehensive index prediction result does not meet the process requirement, the water quality removal rate of the water purification system is monitored. According to the method, the target adjustment index is determined based on the multi-target optimization model, the preliminary adjustment strategy is determined, then the preliminary adjustment strategy is further refined based on the strategy evaluation model, and therefore the target adjustment strategy is determined, intelligent and accurate adjustment of the water purification system is achieved, and the target adjustment strategy meeting the preset purification requirement is obtained.

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment system which comprises a first wetland treatment unit, a second wetland treatment unit and a third wetland treatment unit, the first wetland treatment unit comprises a plurality of treatment assemblies arranged at intervals, the treatment assemblies are periodically filled with sewage, and the third wetland treatment unit comprises a third wetland treatment unit. The first wetland treatment unit is used for treating sewage through aerobic reaction to form first sewage, the second wetland treatment unit comprises a bent section, the bent section comprises a bent wall and an adsorption layer, the adsorption layer covers the bent wall, and the first sewage flows in the extending direction of the bent section; the dissolved oxygen concentration of the second wetland treatment unit is smaller than that of the first wetland treatment unit and larger than that of the third wetland treatment unit, and the third wetland treatment unit receives sewage treated by the second wetland treatment unit and conducts anaerobic reaction. The sewage treatment capacity is improved; meanwhile, the emission of greenhouse gases is reduced.

The invention relates to an anti-clogging artificial wetland system based on an intelligent algorithm, and belongs to the technical field of ecological equipment, the system comprises a biological reaction tank, a sensing module, an automatic control module and a cleaning module; the sensing module is mounted in the biological reaction tank and is used for collecting state information of the biological reaction tank and sending the state information to the automatic control module; the state information comprises dissolved oxygen data, pH value, water flow, water level and water pressure; the automatic control module is used for predicting the water quality and the constructed wetland blockage degree according to the state information to obtain a blockage degree value, judging whether the blockage degree value is greater than a blockage threshold value or not, and sending a judgment result to the cleaning module if the blockage degree value is greater than the blockage threshold value; and the cleaning module is used for adjusting the water flow and the dissolved oxygen concentration of the biological reaction tank according to the judgment result to remove blockages. The problems that in the prior art, a constructed wetland substrate is prone to being blocked, so that the inflow water flow is unstable, and the effluent water quality is poor are solved.

The invention relates to a bacteria-algae composite adsorption module wetland substrate filler as well as a preparation method and application thereof, and belongs to the technical field of biology. The bacteria-algae composite adsorption module wetland substrate filler is prepared by the following steps: preparing an adsorption module, fungicide microspheres and a diatom biological membrane layer, placing the diatom biological membrane layer on the upper layer of the fungicide microspheres to form a diatom fungicide composite layer, and placing the diatom fungicide composite layer on the upper layer of the adsorption module. The bacteria-algae composite adsorption module wetland substrate filler disclosed by the invention can effectively remove pollutants such as nitrogen, phosphorus, lead, cadmium and the like in sewage by independently using the bacteria-algae composite adsorption module wetland substrate filler, effectively reduces the chemical oxygen demand (COD) of the sewage, and simplifies the hierarchical design of an artificial wetland; and the regeneration capacity is high, the replacement period is prolonged, and the operation and maintenance cost is reduced.

The invention discloses a preparation method of a sludge biochar material and application of the sludge biochar material in urban sewage treatment. The method comprises the following steps: 1, mixing sludge discharged from an aerobic tank with fly ash, and carrying out anaerobic carbonization treatment to obtain sludge biochar; 2, loading manganese element modified sludge biochar by using a chemical precipitation method; 3, conditioning the sludge, adding cationic polyacrylamide and potassium ferrate, carrying out secondary stirring treatment, and then carrying out pyrolysis; 4, adding aluminum hydroxide and carborane to carry out segmented heat treatment, and carrying out high-temperature heat treatment with copper hydroxide to further improve the pore structure; 5, the final sludge modified biochar material is obtained through ozone activation. The sludge biochar material prepared by the invention has a developed pore structure and high porosity, is especially suitable for constructed wetland devices, and can greatly improve the removal performance of COD, TN and TP in water. The material is suitable for urban sewage treatment, and has important economic value and social significance.

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 discloses a device for treating black and odorous water in a constructed wetland in the field of sewage treatment, comprising: a fuel cell assembly comprising a reaction container, a cathode zone, an anode zone and a buffer zone from top to bottom in the reaction container, the cathode zone comprising a catalytic filler, the anode zone comprising an oxidation filler, and the buffer zone comprising a buffer filler; the oxidation filler is a composite material; the water passing assembly is communicated with the anode area and is used for slowly introducing black and odorous water into the anode area, and a plurality of horizontal water outlet pipes are vertically arranged on the reaction container at intervals; the current collection assembly is electrically connected with the anode region and the cathode region; the invention further discloses a manufacturing method. The fuel cell has the beneficial effects that the composite material prepared from the poly (butylene succinate), the manganese oxide and the manganese dioxide is used as the anode filler of the fuel cell, so that the formation of black and odorous substances can be reduced, and the treatment effect of the fuel cell on a black and odorous water body is improved.

The invention discloses an offshore water quality comprehensive treatment device utilizing an artificial wetland technology, and belongs to the technical field of sewage treatment. The offshore water quality comprehensive treatment device comprises a base, a water inlet and a water outlet are formed in the two sides of the base respectively, a lifting cavity corresponding to the water outlet is formed in the base, and a balancing weight is arranged in the lifting cavity in a sliding fit mode; lifting columns are symmetrically and integrally formed at the top end of the balancing weight, air cavities are symmetrically formed in the base, the top ends of the two lifting columns extend into the corresponding air cavities respectively and are in sliding fit with the air cavities, and ventilation assemblies used for conveying air in the air cavities to the water collection and drainage layer are arranged on the inner side walls of the air cavities; a plurality of teeth are arranged on one side of each lifting column in the length direction of the lifting column, and the teeth are meshed with swing assemblies used for generating periodic arc-shaped swing. And a vibration bracket is embedded in the filler layer. According to the invention, offshore tidal energy is utilized to realize self-adaptive opening and closing of the water outlet, and meanwhile, alternate shearing force is generated on the filtering filler in the base, so that the possibility of hardening of the filler after long-time working is reduced.

The invention relates to the technical field of environmental engineering, in particular to an intelligent operation management platform and method for a tail water constructed wetland of a large sewage plant, and the operation management platform comprises a monitoring system device which is used for collecting wetland monitoring data in real time, and transmitting the collected wetland monitoring data to an analysis and storage module; the analysis storage module is used for analyzing the wetland monitoring data to obtain structured monitoring parameter data; the operation scheduling management module comprises a scheme management unit used for storing a plurality of regulation and control schemes; the operation control unit is used for regulating and controlling the regulation and control object equipment by adopting preset scheduling logic according to the current monitoring parameter data and the regulation and control scheme; the operation and maintenance management unit is used for sending an inspection work order to a mobile terminal of a corresponding operation and maintenance worker according to a preset inspection plan; and the evaluation module is also used for receiving the inspection result data reported and sent by the mobile terminal of the operation and maintenance personnel and evaluating the inspection result data by adopting a preset rule to obtain an evaluation result.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an artificial wetland system of iron-containing sludge biochar and a method for reinforcing Feammox reaction denitrification. Comprising a system body, the top end of the system body is open, the bottom end of the system body is closed, a supporting layer and a matrix mixing layer are vertically stacked in the system body in the height direction of the system body, and the height ratio of the supporting layer to the matrix mixing layer is 1: (5-7); the supporting layer is a first gravel layer, and the matrix mixing layer is prepared by mixing iron-containing sludge biochar and second gravel according to the volume ratio of 1: (2.5-5). According to the constructed artificial wetland system, the rich porous structure and the high specific surface area of the iron-containing sludge biochar provide an ideal adhesion matrix for microorganisms, slowly-released iron ions not only provide necessary nutritional ingredients for the microorganisms, but also further excite the activity of the microorganisms by adjusting the oxidation-reduction potential and enhancing electron transfer, so that the biological activity of the microorganisms is improved. The denitrification reaction is promoted.

The invention discloses a sulfur autotrophic denitrification filter material enhanced constructed wetland microbial fuel cell sewage treatment system and method, and the treatment system comprises a container main body, the container main body sequentially comprises a gravel water distribution layer, a granular activated carbon anode layer, a sulfur autotrophic denitrification filter material layer, a middle gravel layer, a granular activated carbon cathode layer and a wetland plant layer from bottom to top, anodes are embedded in the granular activated carbon anode layer, cathodes are embedded in the granular activated carbon cathode layer, and the wetland plant layer is arranged in the middle gravel layer. A lead penetrates through the granular activated carbon anode layer and the granular activated carbon cathode layer to connect the anode with the cathode, a water inlet is formed in the gravel water distribution layer, and a water outlet is formed in the wetland plant layer. The constructed wetland microbial fuel cell and the sulfur autotrophic denitrification technology are combined, the dual effects of pollutant removal and electric energy generation are achieved, a new thought is provided for combination of the constructed wetland microbial fuel cell and the sulfur autotrophic denitrification technology, and meanwhile, a new direction is provided for removal of river sewage.

The invention discloses a constructed wetland microbial fuel cell coupling device based on a novel three-dimensional electrode, and belongs to the technical field of sewage treatment, the device comprises a shell, and a bottom layer, an anode layer, a middle layer and a cathode layer are sequentially arranged in the shell from bottom to top. Wherein the bottom layer is filled with coarse gravels, and the middle layer is filled with fine gravels; the anode layer consists of a plurality of titanium tubes which are horizontally arranged and a titanium mesh for connecting the titanium tubes in parallel; openings are formed in the two ends of the titanium tube, through holes are formed in the titanium tube in an array mode, and the titanium tube is filled with a graphite felt core formed in a curled mode. The graphite felt core body can be used for a conductive material strengthening process and can also be used as a supporting material, and compared with an anode cage structure formed by a stainless steel net, the bearing strength is higher; the resistance of the metallic titanium is lower than that of the stainless steel mesh, so that electron transmission and improvement of electron transfer efficiency are facilitated, and the energy recovery efficiency and pollutant removal efficiency of the constructed wetland microbial fuel cell coupling device can be effectively improved.

The invention discloses a system for treating domestic wastewater by utilizing a constructed wetland, which comprises an anaerobic tank, wherein the water outlet end of the anaerobic tank is communicated with the constructed wetland; toilet sewage flows into the septic tank through the water inlet end of the septic tank, and the water outlet end of the septic tank is communicated with the water inlet end of the anaerobic tank; sewage of a kitchen and a bathroom flows into the oil separation tank through a water inlet of the oil separation tank, a water outlet of the oil separation tank is communicated with a water inlet end of the anaerobic tank, a plurality of rapid oil removal components are arranged in the oil separation tank, and a residue filtering component is arranged at one end, close to the water inlet, of the oil separation tank. According to the domestic water treatment device, black water and grey water generated in domestic water can be mixed and treated together, and meanwhile, impurities, oil residues and the like generated in sewage precipitation can be quickly treated and cleaned.

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 composite vertical flow constructed wetland. The composite vertical flow constructed wetland comprises a glass porous cross-linking modified slow-release carbon source matrix filler layer, wherein a glass porous cross-linking modified slow-release carbon source matrix is prepared from a glass porous matrix loaded with nano zero-valent iron and an alkali-treated modified biological carbon material through a cross-linking reaction. The constructed wetland disclosed by the invention can efficiently remove nitrogen and phosphorus, can still stably operate in a low-temperature environment, is small in occupied area and low in cost, and can effectively solve the problem of urban sewage.

The invention discloses an enhanced denitrification method and device for a constructed wetland with a high-void-ratio filler, and aims to create favorable conditions for deep nitrification by screening light materials and constructing a high-low-high gradient resistance layer and inducing flow velocity differentiation to form an oxygen concentration fluctuation zone. Function switching type microorganisms with nitrification-denitrification bidirectional conversion capacity are cultured, and a seasonal flora switching mechanism and a complementary symbiotic network are established to adapt to annual temperature change; multi-point distributed water supply is designed to form a river branch type water flow path, and bionic water flow distribution is achieved; the periodic change of the water level of pulsating water inlet is used for driving gas exchange in the filler to form a tidal breathing effect, and deep oxygen supply can be realized without mechanical aeration; and real-time monitoring is carried out based on an intermittent operation time table, and operation parameters are dynamically optimized. According to the invention, the problems of limited oxygen transfer and seasonal performance fluctuation of the traditional constructed wetland are solved, and a technical scheme with low energy consumption and high stability is provided for nitrogen-containing wastewater treatment.

The invention relates to the technical field of constructed wetlands, in particular to a constructed wetland iron-carbon-manganese composite filler capable of efficiently removing nitrogen and phosphorus. According to the filler, the manganese ore layer is arranged behind the iron-carbon micro-electrolysis layer, the microenvironment in the iron-carbon micro-electrolysis constructed wetland is adjusted through manganese ore, iron and manganese exist at the same time and can serve as electron donors for microbial denitrification, the effect is better than that of single use of iron, meanwhile, the oxidation capacity of high-valence manganese ions is utilized, and the denitrification efficiency is improved. The ammonia nitrogen in the iron oxide carbon wetland is inhibited or re-oxidized, so that the total nitrogen removal capability of the wetland is enhanced, and efficient nitrogen removal is realized; the manganese ore is large in specific surface area and can adsorb iron ions in water, iron and manganese separated out of the water are effectively removed, and the problem that the dissolution concentration of the iron ions is high is solved; phosphate radicals are adsorbed and removed mainly through ligand exchange with hydroxyl on the surface of manganese nodule, iron ions and ferrous ions dissolved out from the scrap iron are combined with influent phosphate to form precipitates such as iron phosphate, and a very good effect on removal of total phosphorus is achieved.

The invention provides a culture tail water treatment system and method based on a constructed wetland purification technology, and relates to the field of culture tail water treatment.The culture tail water treatment system comprises a foundation, a culture pond is arranged on one side of the foundation, a protection assembly is inserted into the inner bottom wall of the culture pond, and a first water suction pump is fixedly connected into the protection assembly; a sedimentation tank is arranged at one end of the first water suction pump, a blocking assembly is fixedly connected to the inner bottom wall of the sedimentation tank, a second water suction pump is arranged on the other side of the interior of the sedimentation tank, and a water distribution assembly is fixedly connected to one end of the second water suction pump. According to the sewage treatment device, through the arrangement of the block assembly, a first inclined plate blocks sediments in the sedimentation tank for the first time, a second inclined plate blocks the sediments again, so that the sediments are accumulated at the bottom of the sedimentation tank, and a blocking net blocks and filters suspended solids in sewage, so that the sediments and the suspended solids are prevented from being sucked up by a second water suction pump; the precipitation effect is improved; and blockage of subsequent pipelines is avoided.

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 discloses an artificial wetland process design system and method based on a neural network multi-boundary condition. The system comprises a data preprocessing module, a neural network model construction module, a multi-boundary constraint processing module and an optimal solution output module. Wherein the multi-boundary constraint processing module uses a Lagrange multiplier method and a penalty function method to manage constraint conditions of the constructed wetland involved in the optimization process; the optimal solution output module is used for randomly generating an initial constructed wetland process combination, inputting the initial constructed wetland process combination into the trained deep feed-forward neural network, and calculating a fitness value of the initial constructed wetland process combination after key performance indexes of operation of the constructed wetland are obtained; and on the basis of the fitness values and constraint conditions of the constructed wetland, correcting the process combination which does not meet the constraint conditions by adopting an evolutionary algorithm, and outputting the process combination with the highest fitness as an optimal solution after the optimization process is ended. The result obtained by the method is high in accuracy.

The invention relates to an anaerobic ammonia oxidizing bacteria enrichment optimization control method based on ecological niche regulation and control, which comprises the following steps: S1, selecting key ecological niche indexes of a constructed wetland as investigation factors, performing difference setting on the investigation factors, forming experimental systems of different ecological niche, controlling and monitoring the constructed wetland, and collecting data; s2, taking the relative abundance and / or absolute abundance of the anaerobic ammonia oxidizing bacteria collected in the step S1 as dependent variables, taking key ecological niche indexes as independent variables, and performing fitting so as to predict a model; and S3, performing prediction through the prediction model, comparing a prediction result with a control target, and performing optimization control on the anaerobic ammonia oxidizing bacteria enrichment of the constructed wetland according to a comparison result. According to the method, the prediction model with relatively high prediction accuracy can be obtained, so that the enrichment of anaerobic ammonia oxidizing bacteria can be ensured, the sewage treatment efficiency can be improved and a relatively good total nitrogen removal effect can be obtained by adjusting ecological niche indexes in the constructed wetland by virtue of the prediction model.

The invention belongs to the field of constructed wetland water treatment, and particularly relates to a wetland substrate combination and evaluation method based on hydraulic performance, a combined substrate is used for establishing a wetland model, a tracer experiment method is used for testing the hydraulic performance of the substrate, and a retention time distribution curve is drawn; calculating the average hydraulic retention time, the effective volume ratio, the water flow dispersion degree, the standard flow dispersion and the hydraulic efficiency on the basis of the retention time distribution curve; and performing weighted calculation on the effective volume ratio, the water flow dispersion degree, the standard flow dispersion degree and the hydraulic efficiency according to weights to obtain a comprehensive performance index, and evaluating the advantages and disadvantages of the matrix according to the comprehensive performance index. The data of the method are easy to obtain, the result can be quickly output, and the feasibility is high.