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134 results about "River quality" patented technology
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Method for control and treatment of water pollution of black and odorous river
InactiveCN106557029APrecision GovernanceGovernance economyAdaptive controlProject managementTarget reaching
The invention discloses a method for control and treatment of water pollution of a black and odorous river. The method includes following steps: S1, dividing key river reaches or control units; S2, calculating water environment characteristics, and determining water quality targets of the control units; S3, calculating the water environment capacity and pollution load accounting according to the water quality targets; S4, distributing the pollution load cutting amount to each control unit; and S5, performing overall treatment layout, establishing a river water quality process model, putting treatment information into the model, inspecting whether the water quality targets reach the standard, if not, repeating the steps of S1-S5 until the water quality reaches the standard, and if yes, applying the method to practical water pollution treatment of black and odorous rivers. According to the method, the problem of treatment of the black and odorous water body is accurately quantified, key chemical indexes which cause the water body to become black and odorous are extracted, the setting of each treatment project and the specific project amount can be guided through quantitative calculation, and the project management is more accurate and economic.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
Water flow separate discharge method for urban pipeline network with river, rain and sewage mixed flow
ActiveCN1876977AProtect viabilityEasy accessFatty/oily/floating substances removal devicesSewage drainingEcological environmentEngineering
The invention relates to a method for discharging water separated, used in mixed tube of city. Wherein, it comprises: arrange diversion tube at the outlet of former discharge tube; the section of diversion tube near the discharge tube has detecting area; the detecting area is arranged with water quality detecting sensor which will transmit the detected water quality to the digit data processor; the processor will process the data to form river water quality factor, to be compared with diversion critical value, to control and select the diversion device to confirm that the water is discharged from the rain discharge tube or sewage tube. The invention can automatically divert water via water quality, to make rain into rain discharge tube and sewage into sewage tube.
Owner:中广核环保产业有限公司
Method for constructing wetland type river channel
ActiveCN104032706AIncrease diversityReduce erosionSustainable biological treatmentMarine site engineeringConstructed wetlandPlant community
The invention relates to a method for constructing a wetland type river channel. A natural gentle slope type retaining wall is constructed in a land directional area from the position above a normal water line to the top of a protection slope by using soil engineering materials, tree and shrub vegetation is planted, emergent aquatic plants are respectively planted in a bottomland area and a shallow water area of the river channel, floating-leaved plants and submerged plants are planted adjacent to the emergent aquatic plant area, and the transverse width of the planting area on each side is equal to or smaller than one fourth the width of the water area of the river channel. According to the method for constructing the wetland type river channel, the foundation with the novel soil engineering materials, the biological protection slope provided with the novel soil engineering materials as the foundation and covered by the tree and shrub vegetation, a bottomland wetland with emergent aquatic plant community as the main body and a bank zone with the floating-leaved plant and submerged plant communities as the main body are constructed respectively on the wetland type river channel, and a river channel biological system with the complete structure and function is formed. The method for constructing the wetland type river channel is capable of obviously improving river water quality, good river channel landscape can be created, and the living quality of city residents can be improved.
Owner:TONGJI UNIV
Analysis method for identifying main influence factors on water qualities of rivers flowing into Tai Lake on basis of PSO (Particle Swarm Optimization) and SVM (Support Vector Machine) hybrid algorithm
InactiveCN102073797AQuick fixEfficient determinationSpecial data processing applicationsSupport vector machineEngineering
The invention discloses an analysis method for identifying main influence factors on water qualities of rivers flowing into the Tai Lake on the basis of a PSO (Particle Swarm Optimization) and SVM (Support Vector Machine) hybrid algorithm and belongs to the technical field of water quality monitoring. In the method, a PSO algorithm is combined with an SVM algorithm; the PSO algorithm is used for optimizing parameters c and g of the SVM algorithm so as to rapidly and efficiently determine global optimums of the c and the g; and based on the optimized c and g, the SVM algorithm predicts different water qualities by using masses of influence factors influencing the water qualities as eigenvectors and identifies and determines the main influence factors on the water qualities of the rivers flowing into the Tai Lake through the predictive rate. By the method, the main influence factors can be accurately identified from various influence factors influencing the water qualities so as to provide beneficial proofs for monitoring early-warning of the water qualities of the rivers.
Owner:JIANGNAN UNIV
A river water quality prediction and an evaluation method of water quality influencing factors
InactiveCN109242203AAccurate predictionGuide governanceGeneral water supply conservationForecastingRelational modelDecision taking
The invention discloses a river water quality prediction and an evaluation method of water quality influencing factors. The method comprises the following steps: firstly, extracting historical data of river water quality and watershed characteristics of corresponding sampling points to form an original training set; Secondly, through the bagging algorithm, randomly selecting samples from the original training set, and constructing several sub-training sets . third, generating a decision tree by selecting split attribute according to that characteristics of different watersheds, and constructa random forest model according to the decision tree; Fourth, evaluating the simulation effect of the model; 5, acquiring watershed characteristic data of a point to be predicted, putting that data into a stochastic forest model, and obtaining corresponding water quality prediction data; Sixth, assessing the impact of different basin characteristics on river water quality. The relationship modelbetween watershed characteristics including watershed hydrology, climate, geographical characteristics, seasonal factors, human influence and the like and river water quality is built, river water quality index data is accurately predicted according to watershed characteristics of a target point and importance of the influence of a watershed characteristic on water quality is evaluated.
Owner:HUATIAN NANJING ENG & TECH CORP MCC
River water quality prediction method
ActiveCN107091911AQuickly predict changes in water qualityPromote ecological environment protectionGeneral water supply conservationTesting waterSocial benefitsEcological environment
The invention aims to provide a river water quality prediction method. The method includes the steps that a specific boundary of a to-be-predicted river is depicted; a .kml format file of the predicted river boundary is converted into a point; the WGS 1984 coordinates of the point are converted into coordinates with meter as the unit; the converted to-be-predicted river boundary point position coordinates are stored; grid division is carried out on the predicted river by using CVLGrid1.0 software, and the divided predicted river grid is exported; a grid file of the to-be-predicted river is imported into an EFDC-Explorer; on the basis of establishing a hydrodynamic model, a water quality model of the predicted river is established; real-time monitored flow and water quality data of the flow boundary of the predicted river are imported into the water quality model, the water quality distribution situation of the to-be-predicted river is simulated within a period of time, and water quality prediction of the to-be-predicted river is achieved. The method is unique, easy to operate and apply, accurate in prediction effect and beneficial to ecological environment protection of rivers, and has remarkable economic and social benefits.
Owner:郑州大学环境技术咨询工程有限公司
Method for repairing water quality of river based on system coupling mode
InactiveCN102849903AReasonable structureFunction increaseMultistage water/sewage treatmentStream regulationEcological environmentBiological integrity
Owner:NORTHEAST NORMAL UNIVERSITY
River water quality rapid monitoring system based on unmanned aerial vehicle hyperspectral image
InactiveCN110887792ASurface Dimension Quick MonitoringGood precisionColor/spectral properties measurementsTurbidityBiology
The invention discloses a river water quality rapid monitoring system based on an unmanned aerial vehicle hyperspectral image. The river water quality rapid monitoring system comprises an unmanned aerial vehicle hyperspectral system, a hyperspectral water quality index inversion model and a hyperspectral water pollution monitoring system. River water body hyperspectral images are obtained throughaerial photography of an unmanned aerial vehicle carrying a micro hyperspectral instrument, and are processed into water body reflectivity images through an image preprocessing system; river water samples are collected and tested to obtain river water sample water quality, and meanwhile, each pollutant concentration water sample is prepared manually in a laboratory; characteristic waveband combinations are selected as related variables for different water quality indexes, and a model for inverting the water quality according to water body spectral information is established; and the unmanned aerial vehicle water body reflectivity images are imported into the water quality inversion model, and calculating is carried out to obtain a water quality index concentration distribution diagram. Thewater quality indexes which can be monitored comprise total phosphorus, ammonia nitrogen, chlorophyll a, COD, BOD5 and turbidity, thereby helping an environmental protection department to know the overall water quality condition and pollution distribution of a river; and the water quality monitoring cost of a water area per unit area is relatively low, and the monitoring efficiency is relativelyhigh.
Owner:深圳慧格科技服务咨询有限公司
Novel river water quality sampling device
The invention discloses a novel river water quality sampling device, which comprises a bottom plate, universal wheels, fixing insertion rods, a push-pull rod, support frames, a telescopic post, a storage battery, collection bottles, a rotating motor, water pipe discs, steel cable discs, a water pipe, a water pumping pump, a steel cable, a clamp block, a telescopic arm, a pull rod, a rotating shaft, positioning rings, a fixed pulley, a collection box, through holes and a filtering screen. The novel river water quality sampling device has the beneficial effects that the support frames are divided into three layers through a separation plate; the mutual work influence is avoided; the water pipe discs and the steel cable discs are arranged on bearings with the same diameters; the rotating motor is connected with the water pipe discs and the steel cable discs through belts, so that the telescopic speed of the water pipe and the steel cable are identical; the telescopic post and the telescopic arm are rotationally connected; the telescopic arm can be conveniently collected and released; a length line is arranged on the steel cable; samples at the required depth can be standardly collected; a load bearing body is arranged at the bottom of the collection box; the through holes of the side wall of the collection box are greater than the diameter of the filtering screen; the sinking to the deep position is convenient; sundries are reduced.
Owner:郑州贯奥仪器仪表有限公司
River water quality predicting method
ActiveCN108053054AEasy to superviseImprove general performanceGeneral water supply conservationForecastingRate of convergenceGenetic algorithm optimization
The invention provides a river water quality predicting method. The method comprises following steps: step one, based on time sequence test data of water quality parameters of a target water area, using an ARIMA prediction model, which is established in advanced based on historical time sequence data samples of the water quality parameters, to primarily predict the primary prediction data of the water quality parameters at designated time and calculate the predicted residual data; and step two, based on the time sequence test data, primary prediction data, and the predicted residual data, using the historical time sequence data samples and the ARIMA prediction model to predict prediction data of the water quality parameters at designated time through a wavelet neural network model constructed by genetic algorithm. Compared with a conventional water quality prediction method, the versatility, prediction precision, convergence speed, and efficiency are all enhanced.
Owner:CHINA AGRI UNIV
Multi-estuary medium and small watershed water quality standard-reaching dynamic water supplementing amount prediction method
ActiveCN111259530AImprove accuracyRealize dynamic matchingDesign optimisation/simulationCAD numerical modellingWater volumePredictive methods
The invention belongs to the technical field of water environment protection, and particularly relates to a multi-estuary medium and small watershed water quality standard-reaching dynamic water supplementing amount prediction method. The method comprises the following steps: analyzing pollution characteristics of medium and small rivers, and selecting key control indexes; based on EXCEL software,establishing a multi-reach basin high-precision dynamic water quality prediction model with a one-dimensional water quality model and a complete mixing model coupled, and calibrating model parametersaccording to online monitoring data and manual monitoring data; and predicting the water supplementing time and the water supplementing amount. According to the method, the online data and the waterquality prediction models of two pollutants are used for mutual verification, so that the accuracy of the models is improved. According to a quantitative response relationship between the river waterquality and the water replenishing amount established by the method, dynamic matching between a current water quality situation and the optimal water replenishing amount can be realized, and the problems of water resource waste or incapability of meeting the water quality standard, incapability of meeting the requirements of environmental managers and the like caused by non-real-time updating of the water replenishing amount are solved.
Owner:SHANDONG PROVINCIAL ECO ENVIRONMENT MONITORING CENT
Unmanned plane which is used by river chiefs to monitor river water quality
InactiveCN107097955AAvoid blindnessAircraft componentsGeneral water supply conservationData informationRiver pollution
The invention relates to an unmanned plane which is used by river chiefs to monitor river water quality, and belongs to the technical field of intelligent unmanned plane application. In applications, low altitude cruising is carried out by the unmanned plane above a river channel, a camera in a optoelectronic pod below the unmanned plane is used for taking pictures of the water surface of the river channel continuously, and image information is acquired; the unmanned plane is used for sending the image information to a water quality information storing and processing center on the land via wireless communication; when suspected polluted water areas are found by river chiefs from the image information, commands are sent by the river chiefs to guide the unmanned plane to hover above the suspected polluted water areas; a hollow soft pipe is released by a launching and recovering device of the unmanned plane, a touch water body detection disc on the lower end of the hollow soft pipe is immersed in river water, a pH sensor, a water quality analyzer, and a water quality monitor arranged on the bottom surface of the touch water body detection disc are used for detecting water quality; collected data information is sent to the water quality information storing and processing center on the land via wireless communication; and measures used for treating river pollution are chose by the river chiefs based on the image information and the data information.
Owner:WUXI TONGCHUN NEW ENERGY TECH
Accurate river water quality underwater monitoring device
The invention discloses an accurate river water quality underwater monitoring device. The accurate river water quality underwater monitoring device comprises a buoy and a water quality monitoring head; a mounting plate is horizontally fixed inside the buoy; a control device is fixed in the middle of the top of the mounting plate; the control device is electrically connected with the water qualitymonitoring head, and the water quality detection head is fixed in the middle of the bottom of the buoy; a driving device is fixed on the buoy, and the driving mechanism comprises a steering device, telescopic devices and a propelling device; the steering device is fixed at the top of the buoy; the output end of the steering device is connected with the telescopic devices; and the number of the telescopic devices is two. According to the river water quality underwater monitoring device, the water quality monitoring head can be subjected to 360-degree reversing when the water quality monitoringhead moves in the river channel, so that the water quality monitoring area is wider, and the movement is more convenient; and when stopping in a shallow water area, the propelling device can be retracted into the buoy, so that stranding caused by the fact that the bottom of the propelling device is in contact with the river bottom is prevented, and efficient proceeding of water quality monitoringwork is guaranteed.
Owner:山东中衡环境检测有限公司
Drainage basin pollutant monitoring system and monitoring method thereof
ActiveCN111693672AReduce effortImprove real-time performanceProgramme controlComputer controlMonitoring systemMain stem
The invention belongs to the technical field of river environmental protection and discloses a drainage basin pollutant monitoring system and a monitoring method thereof. The drainage basin pollutantmonitoring system comprises a monitoring platform, a plurality of monitoring stations and a plurality of detection units. The method comprises the following steps of S1, establishing a river model ofa current drainage basin, and marking the positions of the monitoring stations, the positions of the detection units and altitude data; S2, collecting river water quality data and river surface garbage data; and S3, on the basis of a river model, transmitting the river water quality data and the river surface garbage data in the same flow direction to a monitoring station located at an upstream junction point of the flow direction for analysis and processing to obtain main pollutants, pollution levels and pollution source positions of the main flow and each branch flow, and sending the main pollutants, the pollution levels and the pollution source positions to a monitoring platform for display. The method is advantaged in that problems that in the prior art, the consumption of manpower andmaterial resources is large, real-time performance is poor, and a pollution source cannot be accurately positioned are solved.
Owner:广东理行生态环境科技有限公司
Ecological riparian zone construction method
InactiveCN102635089ABeautify the river bank landscapePurify waterCoastlines protectionConstructed wetlandPlant community
The invention relates to an ecological riparian zone construction method. According to the method, circular concrete tubes with permeable holes distributed on tube walls are adopted for shore protection, artificial wetland matrix beds are constructed in the circular tubes, and finally emergent aquatic plants and humidogene trees and shrubs are planted in the surfaces of the artificial wetland matrix beds, thus constructing wetland biological communities. A riparian zone constructed by virtue of the method has the functions of slowing down flowing speed of water at a littoral zone, stabilizing river banks, creating a growth environment for plants in a water area close to a river course and providing multi-pore habitats to benthic animals; and the plant communities can absorb river pollutants, thereby purifying river water quality. As being capable of reconstructing degraded riparian zone plant communities, the method provided by the invention lays a foundation for the construction of a healthy riparian zone ecosystem, and provides technologies to restore the degraded riparian ecosystem and reconstruct and restore vigorous riparian zones and river ecosystems.
Owner:JIANGSU UNIV
Method for predicting influence of tidal action on river water quality based on river water quality model
ActiveCN110751331AMake up for the defect of low accuracy of water quality simulationPrecise and effective means of river pollution controlForecastingDesign optimisation/simulationAmmoniacal nitrogenEnvironmental engineering
The invention discloses a method for predicting influence of tidal action on river water quality based on a river water quality model in the technical field of water quality prediction. The problem that in the prior art that a traditional river water quality model is low in tidal reach water quality simulation accuracy is solved. According to the method for predicting the influence of the tidal action on the river water quality based on the river water quality model, the defect that a traditional river water quality model is low in accuracy of simulating the water quality of the tidal reach isovercome, and the method has important significance in pollutant control of the tidal reach seriously affected by the tidal action. Compared with a previous tidal influence evaluation means, the method has the advantages that the influence of the tidal action on the concentration of pollutants such as ammonia nitrogen and total phosphorus in the tidal river reach can be quantitatively identifiedon the basis of the river hydraulic water quality model, so that a more accurate and effective river pollution control means can be provided.
Owner:HARBIN INST OF TECH
River-oriented multi-unmanned aerial vehicle water quality sampling and monitoring path optimization method
ActiveCN112731969AWithdrawing sample devicesPosition/course control in three dimensionsUncrewed vehicleEngineering
The invention discloses a river-oriented multi-unmanned aerial vehicle water quality sampling and monitoring path optimization method. According to the method, an objective function and constraint conditions are constructed for specific problems of river water quality sampling and monitoring, and the shortest total length of monitoring paths of all unmanned aerial vehicles and optimization of the number of the unmanned aerial vehicles are considered in the objective function; the specific constraint conditions comprise endurance time limitation of a single unmanned aerial vehicle, limitation of the number of sampling vertical lines on hovering time, limitation of the number of sampling points on the sampling vertical lines on the hovering time, limitation of pollutant types monitored by the sampling points on the hovering time, and difference limitation of flight and hovering unit energy consumption of the unmanned aerial vehicle, and limitation of unmanned aerial vehicle takeoff and landing bases distributed on left and right banks of river. Then the planning model is optimized by adopting the multi-filial-generation discrete cuckoo algorithm. According to the method, an optimal multi-unmanned aerial vehicle water quality sampling and monitoring path can be quickly calculated for a specific river water area environment.
Owner:合肥一森电子科技有限公司
River water quality detection sampling device
The invention discloses a river water quality detection sampling device which comprises a telescopic main rod, wherein an antiskid sleeve and a rope winding ring are fixedly arranged on the outer surface wall of the telescopic main rod sequentially from top to bottom; an internal thread of the telescopic main rod is engaged with an external thread of a telescopic auxiliary rod; an annular fixing buckle is arranged on a sampling fixing ring fixedly connected to the lower surface wall of the telescopic auxiliary rod; a sampling bottle is arranged in the annular fixing buckle; the sampling bottleis rotatably connected with a sealing cover through a rotating hinge; a magnetic block is arranged on the outer surface wall of the sampling bottle; a turbine flowmeter is mounted on an extension connecting rod fixedly connected to the lower surface wall of the sampling fixing ring; a thermometer and a pressure sensor are symmetrically mounted on the outer surface wall of the turbine flowmeter; ahook is fixedly mounted on the lower surface wall of the extension connecting rod. The device disclosed by the invention is simple in structure and easy to operate; without an electronic device, thedevice is rarely damaged, thus the production cost, the using cost and the maintaining cost are relatively low; moreover, the bottle body is easy to clean.
Owner:苏州市苏测检测技术有限公司
Water quality simulation method and system for river basins
ActiveCN109522645AReduce complexityImprove accuracyGeneral water supply conservationDesign optimisation/simulationHydrometryFluvial
The embodiment of the invention provides a water quality simulation method for river basins. The method comprises the following steps: dividing a river basin into a plurality of sub-basins, and acquiring data of each sub-basin in a specified time range; Taking the rainfall capacity and the potential evaporation capacity of each sub-basin as first input parameters, determining the effective rainfall capacity of each sub-basin through a nonlinear module of the hydrological model, taking the effective rainfall capacity of each sub-basin as second input parameters, and determining the non-point source runoff of each sub-basin through the linear module of the hydrological model; And taking the non-point source runoff volume, the temperature, the water quality detection value and the river hydrological data of each sub-basin as third input parameters, and obtaining a water quality simulation result of the river basin through a water quality analysis model. The embodiment of the invention further provides a water quality simulation system for the river basin. According to the embodiment of the invention, the influence of non-point source pollution on river water quality is considered in water quality simulation, and the accuracy of water quality prediction is improved.
Owner:BEIJING INSIGHTS VALUE TECHNOLOGY CO LTD
Urban river quality monitoring and warning system and method
InactiveCN107917919AQuick identificationAccurate identificationImage enhancementImage analysisMaster controllerEngineering
The invention discloses an urban river quality monitoring and warning system and method. The system is characterized by comprising a master controller, a plurality of cameras separately arranged in adetection area, and a video-image storage connected with the master controller; the master controller performs video-image preprocessing, detection area positioning, detection area pollution judging and pollution warning. The system and method have the advantages that the structure is simple, pollution can be recognized more quickly and accurately, and real-time monitoring and warning are achieved.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV
Aeration control system for river ecological restoration and control method thereof
ActiveCN113011661APrevent reboundReduce energy consumptionWater treatment parameter controlDigital data information retrievalData controlControl signal
The invention relates to an aeration control system for river ecological restoration and a control method thereof.The system comprises a sensing module, a control module and an aeration module, and the sensing module is used for collecting river basic data of four dimensions of river general situation, river water quality, river hydrodynamic force and river creatures; and the control module is used for analyzing and processing the data acquired by the sensing module, converting the data into parameters for controlling the aeration module, and sending a control signal to the aeration module. The method comprises the following steps: acquiring data of four dimensions, preprocessing the input data by a control module, inputting the data into a neural network model, and calculating a target value for repairing a river through aeration; starting an aeration module, monitoring the aeration condition of the river in real time, and maintaining the dissolved oxygen concentration of the river at an expected level; and stopping aeration and notifying management personnel until the current situation of the river reaches the target value of the aeration restoration river obtained by the neural network model. On the premise of ensuring the aeration effect, the use energy consumption of the aeration equipment is reduced.
Owner:HOHAI UNIV
Experimental apparatus for simulating water quality of river based on continuous agitating reaction pond
InactiveCN101092810ASufficient oxygenRealize real-time controlHydraulic modelsControl systemWater flow
This invention relates to a water quality simulation experimental device in an environmental project, which applies 9 cascade aerobic reactors to simulate rivers and uses 9 hatched aerobic reactors to simulate rivers based on a river quality simulation experiment device with continuously mixed reaction pool, each reactor has a set of exposing device and each exposing pump is set independently, so it can operate synchronously or separately, the initial end of the cascade reactor is mounted with a remote flow meter to realize online monitor and timely control to form natural grads of the cascade reactor by the ladder frame and realize timely control to water flow and air exposing volume by the PLC control system.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
River water quality prediction method, prediction device and terminal
The invention is applicable to the technical field of water environment management, and provides a river water quality prediction method, a prediction device, a terminal and a computer readable storage medium. The prediction method comprises the steps of obtaining a river entering amount of a surface runoff of a predicted river; carrying out hydrodynamic coupling on the river entering amount and apreset hydrodynamic model, and simulating the water flow condition of the predicted river to obtain the water amount information of the predicted river; and carrying out water quantity and water quality coupling on the water quantity information and a preset water quality model, and inputting a time sequence to be predicted to obtain water quality distribution information corresponding to the predicted river in the time sequence. According to the method, the change of the river water quality can be simulated and predicted, and the possible problems of river water environment pollution, riverwater quality deterioration and the like can be warned in advance.
Owner:光大水务科技发展(南京)有限公司 +2
River water quality mobile supervision system
PendingCN111965317ARealize real-time monitoringGuaranteed accuracyBatteries circuit arrangementsTransmission systemsTurbidityNetwork module
A river water quality mobile supervision system comprises a river water quality monitoring point, a monitoring terminal device, a communication network module and a monitoring center station, the river water quality monitoring point is in communication connection with the monitoring terminal device, and the monitoring terminal device is in communication connection with the monitoring center station through the communication network module; and physical and chemical parameters related to water quality are collected by water quality sensors at river water quality monitoring points and are transmitted to monitoring terminal equipment through communication interfaces of the monitors. According to the invention, on-line monitoring is carried out on riverway water quality; the monitoring data comprises seven parameters of pH, total phosphorus, dissolved oxygen, conductivity, turbidity, UV-COD and ammonia nitrogen; data is finally transmitted to the monitoring center station through a GPRS / 4Gnetwork, so that the river water quality can be evaluated, whether the river is polluted or not and the property and degree of pollutants can be determined, effective measures can be taken in time, the river water quality can be monitored in real time, and the accuracy of river water quality monitoring is guaranteed.
Owner:宁夏无线互通信息技术有限公司
Method for predicting influence of river sewage draining exit setting in plain river network area on river water quality
ActiveCN110210674AOvercome the Difficulty of Inaccurate Forecasting ResultsImprove versatilityGeneral water supply conservationForecastingRiver networkEcological environment
The invention discloses a method for predicting the influence of river sewage outlet arrangement in a plain river network area on river water quality. The method comprises the following steps: S1, constructing a river network hydrodynamic water quality coupling model; S2, determining predicted pollutants; S3, inputting the predicted pollutant information discharged from the river sewage draining exit into a river network hydrodynamic water quality coupling model; S4, determining a prediction range; S5, determining a prediction scheme for predicting the influence of pollutants on the river water quality; and S6, simulating the migration conditions of pollutants under different pollution discharge working conditions based on the established river network hydrodynamic water quality coupling model, and determining and predicting the influence distance of the pollutants on the river water quality. According to the invention, a river network hydrodynamic water quality coupling model is established. Main pollutants are selected as evaluation indexes, the space migration and transformation rule of discharged pollutants is described, the influence ranges of sewage discharge on the water quality under different working conditions are determined, and a basis is provided for analysis of the influence of arrangement of a river sewage draining exit on the river water quality and the water ecological environment.
Owner:HOHAI UNIV
A kind of river water quality testing and sampling equipment for water conservancy projects
ActiveCN108801699BWeight increaseImprove stabilityWithdrawing sample devicesPreparing sample for investigationSample waterEnvironmental engineering
The invention relates to water quality detection equipment for water conservancy, in particular to river water quality detection and sampling equipment for water conservancy projects. The technical problem of the invention is to provide river water quality detection and sampling equipment for water conservancy projects, which can sample water of different depths and improve the accuracy of river water detection. The river water quality detection and sampling equipment for water conservancy projects comprises a bottom plate, a collection box, a support plate, a piston cylinder, a first one-wayvalve, a water delivery pipe, a spray head, a second one-way valve, a hose, a piston block, a first bearing seat and the like, wherein the collection box is placed on the right side of the bottom plate; the support plate is connected to the middle part of the upper side of the bottom plate; the piston cylinder is connected to the lower part of left side of the support plate; and and the first one-way valve is connected to the right part of the lower side of the piston cylinder. A filter screen of the river water quality detection and sampling equipment provided by the invention penetrates intodifferent depths in a river, and can sample river water of different depths, thereby improving the detection accuracy of river water; and the arrangement of a ratchet wheel and a cone block can indirectly sample river water.
Owner:山东博超电力工程有限公司
River water quality comprehensive evaluation method and system
InactiveCN112183935AThe evaluation results are comprehensive and objectiveGeneral water supply conservationResourcesEvaluation resultEnvironmental engineering
The invention discloses a river water quality comprehensive evaluation method and system. The method comprises the steps of determining a river water quality evaluation factor and an evaluation section; collecting water quality basic data required by each evaluation section in the water quality evaluation process; calculating the comprehensive pollution index of each evaluation factor one by one by adopting an inner Meiluo index method to obtain a comprehensive pollution index sequence of each evaluation factor; performing weight calculation on the evaluation factors one by one by adopting a dynamic weighting method to obtain a weight sequence formed by weight coefficients of the evaluation factors; calculating a river water quality comprehensive evaluation index by adopting a weighted stacking method; and evaluating the river water quality condition according to the river water quality comprehensive evaluation index calculation result. According to the method, a brand-new river waterquality comprehensive evaluation system is established, the change degree of water quality data of each evaluation factor is considered, a core factor influencing the water quality condition is highlighted, the core factor is not excessively controlled by a certain single factor, and the evaluation result is more comprehensive and objective.
Owner:HOHAI UNIV
River water quality telemonitoring station
ActiveCN110006704AEliminate manual collectionEasy to useWithdrawing sample devicesTesting waterEngineeringBevel gear
The invention discloses a river water quality telemonitoring station, which comprises an upright post, a main ship body and a rectangular box. The rectangular box is fixed at the top end of the upright post, a cylindrical cavity is arranged in the upright post, a water absorption mechanism is arranged in the cylindrical cavity, and the water absorption mechanism can absorb water samples collectedby the main ship body. The main ship body is positioned at the bottom of the water absorption mechanism and is provided with a rectangular cavity inside, a sampling mechanism is arranged in the rectangular cavity, and the sampling mechanism can collect river water, wherein the sampling mechanism comprises a first motor fixedly embedded in the left end wall of the rectangular cavity, and the rightend of the first motor is dynamically connected with a power bevel gear. The telemonitoring station can automatically collect river water samples, and can collect the river water of river central zone, thus reduing manpower and cost needed by manual collection.
Owner:陈文娟
Water environment bearing capacity evaluation method and device and storage medium
ActiveCN110889196AImprove accuracyHigh precisionGeneral water supply conservationCharacter and pattern recognitionEnvironmental engineeringFluvial
The invention provides a water environment bearing capacity evaluation method and device and a storage medium. The method comprises the steps of obtaining first river water quality data of a target water area; inputting the first river water quality data into a preset first water quality model to obtain second river water quality data, the second river water quality data comprising pollutant indexes of the target water area; inputting the second river water quality data into a preset second water quality model to obtain a water environment bearing capacity; and outputting the water environmentbearing capacity of the target water area. In the water environment bearing capacity evaluation method and device and the storage medium, the first river water quality data is optimized through the first water quality model, so that the problems that the river water quality data is low in precision, low in density and poor in timeliness, the river water quality pollution condition cannot be completely reflected, and the accuracy of water environment bearing capacity evaluation is influenced are solved.
Owner:GUANGDONG UNIV OF TECH
Method and device for purifying seriously eutrophic river water
InactiveCN102627377AReduce chromaEliminate odorMultistage water/sewage treatmentElectrolysisPurification methods
The invention discloses a method for purifying seriously eutrophic river water. The method mainly comprises three steps of electrolyzing, aerating and treating by a membrane bioreactor (MBR). According to the method, the pollution problems of the seriously eutrophic river can be effectively solved, the water quality of the river is improved in shorter time, so that a water ecology system is recovered, and the healthy sustainable development of a river ecology system is achieved. The invention further discloses a device for purifying the seriously eutrophic river water, which is matched with the purification method. The device comprises a dam, an electrolysis machine, an aerating device and a membrane bioreactor. According to the invention, the landscape can be combined and directly installed along the bank of the river, and the environment is hardly changed, so that the influence about the natural environment is less; in addition, the device has a simpler structure and lower production cost, and is suitable for large-scale popularization and application.
Owner:BOYING XIAMEN SCI & TECH
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