92 results about "Groundwater quality" patented technology

The invention relates to the technical field of remote monitoring, in particular to a remote monitoring method and system for intelligent water purification equipment. The system comprises a sensing execution unit, a data routing unit, an intelligent central unit and an interactive service unit. The intelligent central unit is used for comparing underground water quality data collected in real time with corresponding month threshold values over the years, water quality fluctuation caused by natural changes such as seasonal replacement can be accurately distinguished, the water quality data interpretation accuracy is improved, when the water quality data deviates from a normal range and influences of natural laws are eliminated, the system introduces real-time weather data, and the water quality data interpretation accuracy is improved. And the analysis module considers the effect of weather on water quality by means of a dynamic structure equation model and resets a threshold value. The intelligent self-adaptive mechanism can effectively distinguish water quality abnormity caused by non-natural laws, for example, normal fluctuation of water quality after rainstorm is recognized, accuracy and intelligence of water quality monitoring are enhanced through multiple times of accurate judgment, and abnormity can be quickly recognized and early warned.

The invention discloses a water quality detection system and detection method for groundwater resource assessment, and relates to the technical field of environmental monitoring, the method comprises the following steps: obtaining multi-source data of groundwater in a target area through a sensor network, and combining environmental parameters to carry out data fusion to generate a comprehensive result; performing water quality scoring based on the fused data, constructing a water quality spatial distribution diagram, and predicting a water quality change trend; and determining a pollution source according to trend data tracing, formulating a pollution control scheme in combination with multi-source data, and generating a treatment suggestion. The technical problem of insufficient water quality detection precision in existing groundwater resource evaluation is solved, and the technical effect of performing high-precision detection and comprehensive evaluation on groundwater quality data is achieved.

The invention discloses a groundwater quality monitoring method and system based on artificial intelligence. The method comprises the steps of data acquisition, data preprocessing, groundwater quality prediction, hyper-parameter optimization and dynamic groundwater quality monitoring. The invention belongs to the technical field of water quality information processing, and particularly relates to an underground water quality monitoring method and system based on artificial intelligence. According to the scheme, a method for collecting multi-dimensional water quality data and dynamically adjusting data acquisition frequency is creatively provided, and the comprehensiveness of underground water quality monitoring is effectively improved; a multi-dimensional data processing sub-model, a feature weighted fusion method based on an attention mechanism and a water quality prediction activation function are provided, and the accuracy and stability of an underground water quality prediction result are improved; an algorithm for obtaining the optimal parameters of the model is improved by adopting a uniform distribution sampling initialization method, a convergence control weight and a linear extension spiral strategy, an optimal parameter combination is obtained, the accuracy of a model output result is improved, and therefore the groundwater quality prediction result is more accurate.

The invention discloses a complex microbial inoculant for treating underground water as well as a preparation method and application thereof, relates to the field of sewage treatment, and aims to solve the problem that TBBPA and nitrate in underground water are difficult to remove at the same time in an existing biological treatment method. The composite microbial agent is prepared from pseudomonas koreensis Y5-11, acinetobacter pidermatum LYS-5, Pseudomonas sp. Y39-6 and psychrophilic bacteria F5-6, and the pseudomonas sp. Y5-11, the acinetobacter pidermatum LYS-5, the Pseudomonas sp. Y39-6, the psychrophilic bacteria F5-6 and the psychrophilic bacteria F5-6 are added into the microbial agent. The four strains are respectively subjected to fermentation culture, and the four fermentation liquids are mixed to prepare the complex microbial inoculant. The four bacteria in the complex microbial inoculant have a stronger metabolism complementation effect, and the effect on composite pollution remediation is more remarkable. The complex microbial inoculant is used for removing TBBPA and nitrate in underground water at the same time, the complex microbial inoculant has biodiversity, and the treatment result conforms to the water quality characteristics of the underground water.

The invention discloses an evaluation and prediction method for groundwater quality evolution based on multiple water quality indexes, and relates to the technical field of water quality evolution evaluation, and the method comprises the following steps: collecting evaluation index original data for groundwater quality evaluation, and preprocessing the collected original data, the evaluation indexes comprise a water quality monitoring index, a geological hydrological index and a pollution source index. According to the method for evaluating and predicting the underground water quality evolution based on the multiple water quality indexes, the actual condition and the evolution trend of the underground water quality are comprehensively reflected by comprehensively considering the data of multiple aspects of the water quality monitoring indexes, the geological and hydrological indexes and the pollution source indexes; according to the method, the change rule and influence factors of the underground water quality can be more accurately revealed, so that the comprehensiveness and accuracy of evaluation are improved, the water quality condition can be evaluated in a customized manner according to specific conditions and protection targets of different regions, and then control and treatment measures are implemented.

The invention discloses a sea-land interaction zone chemical industry park groundwater pollution early warning index determination method and system, and the method comprises the steps: building a pollutant directory according to the hydrogeological conditions of a chemical industry park, and dividing the pollutant directory into inorganic pollutants and organic pollutants; constructing an entropy weight method-mathematical fuzzy evaluation model to carry out comprehensive evaluation on the inorganic pollutants to obtain an index sequence of the inorganic pollutants; evaluating the exposure potential EP and the toxicity potential HP of the organic pollutants according to the actually measured data of the organic pollutants and considering various evaluation parameters of the organic pollutants; obtaining final organic pollution indexes according to the EP and the HP of the organic indexes, and sorting the final organic pollution indexes; and according to the sorting result of the inorganic pollution indexes and the organic pollution indexes, determining the early warning indexes of the inorganic and organic pollutants in the underground water in the chemical industry park by combining the underground water quality standard. According to the method, objectivity and scientificity of pollutant identification are improved, and the problems that current pollution index selection is high in subjectivity, single in evaluation dimension, poor in regional applicability and the like are solved.

The invention relates to the technical field of groundwater quality monitoring, in particular to an improved regional groundwater quality monitoring network design method and system, and the method comprises the following steps: obtaining a groundwater sample of a region as a groundwater quality test sample; performing test analysis on the groundwater quality based on the test sample to obtain groundwater quality information of the region; constructing an underground water quality monitoring network evaluation model of the region according to the underground water quality information; analyzing the groundwater quality monitoring network according to the groundwater quality monitoring network evaluation model to obtain a model evaluation result; and performing optimization design on the underground water quality monitoring network of the region by using the model evaluation result. The underground water quality information is obtained through test analysis of the underground water sample, then the underground water quality monitoring network evaluation model is constructed to optimize the underground water quality monitoring network, the monitoring efficiency of the underground water quality is improved, and scientific management of the underground water is achieved.

The invention discloses an underground water quality grading prediction method based on multi-source data fusion and machine learning, and the method comprises the steps: S1, building a sample set: collecting underground water samples of all sampling points in a target region in the same time period, carrying out the analysis to obtain a water quality index, and forming an attribute vector of the underground water sample with a non-water quality index; determining an EWQI value of the groundwater sample, performing water quality grade division according to the EWQI value, and taking the water quality grade as a label of the sample; s2, dividing the sample set into a training set and a verification set; s3, training a prediction model based on machine learning by using the training set, and preventing overfitting in the training process by using the verification set to obtain a trained prediction model; and S4, predicting a to-be-predicted groundwater sample by using the trained prediction model to obtain a predicted water quality grade. According to the method, the water quality index and the non-water quality index are combined, the prediction model is established based on machine learning, and the groundwater quality grade can be rapidly and accurately predicted.

The invention relates to the technical field of geological survey, and discloses a groundwater environment monitoring and early warning method, which comprises the following steps of: coupling a real-time early warning module and a prediction early warning module, and constructing a groundwater environment monitoring and early warning model; according to the national standard, the underground water quality current situation and the real-time and prediction early warning result, an early warning level is delimited, and different colors are given to represent color block warning levels; according to a simulation result, judging an early warning line of the underground water specific pollutants, and if a relatively high early warning level is displayed, carrying out pollutant inversion; possible pollutants speculated by the pollutant inversion module are identified; an early warning decision is made for possible pollutant types and enterprise types; and after the sudden pollution event is effectively disposed, early warning feedback is timely carried out. According to the groundwater environment monitoring and early warning method, the groundwater quality real-time early warning grade and the distribution range of pollutants in the groundwater in different time periods in the future are determined, and a scientific basis is provided for reasonably developing and utilizing groundwater resources.

The invention provides an underground water quality multi-index monitoring system and an evaluation method under the influence of mine water reinjection, the system takes a reinjection well as a circle center and a borehole diameter influence range of the reinjection well as a radius, a plurality of observation wells are configured in the borehole diameter influence range, and multi-index water quality sensors are arranged in the observation wells; the multi-index water quality sensor regularly transmits underground water quality indexes to the control center through the data transmitter; the control center comprises a groundwater quality comprehensive evaluation model, the comprehensive score of each groundwater sample is calculated through the groundwater quality comprehensive evaluation model, and the comprehensive water quality of groundwater under the influence of mine water reinjection is quantitatively evaluated. According to the underground water multi-index monitoring system provided by the invention, the water quality detection sensor is configured aiming at indexes of underground water change possibly caused by reinjection of highly-mineralized mine water, so that multi-index simultaneous online real-time monitoring is realized. The monitoring system can obtain the underground water quality index in the hypersalinity mine water reinjection range in real time, and provides powerful support for underground water quality evaluation.

The invention relates to a method for removing manganese in leachate of a general industrial solid waste landfill, which belongs to the technical field of wastewater treatment, and comprises the following steps: S1, primary coagulating sedimentation: regulating the pH value of discharged wastewater to 8-10 by using a pH regulating agent, controlling the reaction stirring speed to 50-120rpm and the reaction time to 5-15min, adding a modified polymer anion flocculant into the wastewater after alkali regulation, and carrying out primary coagulating sedimentation for 5-15min; the flocculation reaction time is 5-10 min, the stirring speed is 20-60 rpm, after the flocculation reaction, standing is conducted, suspended solids are precipitated, first-time solid-liquid settling separation is conducted, and first-time coagulative precipitation supernate is taken out. Coagulating precipitation and oxidation are effectively combined, primary coagulating precipitation, oxidation reaction and secondary coagulating precipitation are used in cooperation with a pH adjusting agent, a modified macromolecule anion flocculating agent and a ferrous sulfate solution, the effect of effectively treating the pollutant manganese is achieved, and the effect is used for meeting the requirement that the content of III-class index manganese in the underground water quality standard is smaller than or equal to 0.10 mg / L.

The present invention provides a method and system for dynamic water quality monitoring based on groundwater level, which relates to the technical field of dynamic water quality monitoring. The method includes: calculating a correction coefficient based on historical data, seasonal variations, rainfall, and geological activities; adjusting the annual average change rate by the correction coefficient to obtain the final groundwater level change trend; setting water quality anomaly monitoring points in areas where the groundwater level has abnormal changes according to the final groundwater level change trend to obtain corresponding abnormal water quality data; regularly collecting water samples from the abnormal water quality data according to the abnormal water quality data, detecting various indicators of the water samples, including chloride content, conductivity, and total dissolved solids, and analyzing the changes in water quality to evaluate the water quality status of groundwater. The present invention improves the robustness to data quality problems, thereby more accurately reflecting the actual situation of groundwater quality.

The invention relates to the technical field of underground water simulation, and provides a shallow underground water quality change simulation device in a multi-supply mode, comprising a soil column for storing soil; the high-pressure oxygen-free bottle is used for conveying water to the soil column; one end of the first matrix pipe is communicated with the high-pressure oxygen-free bottle; the soil column is used for conveying water to the low-pressure oxygen-free bottle; and the other end of the second matrix pipe is communicated with the low-pressure oxygen-free bottle. The simulation device can comprehensively simulate lateral replenishment and more truly restore the groundwater replenishment process in the natural environment, through cooperation of the soil columns and the matrix pipes, the water replenishment path and flow can be controlled, observation by researchers is facilitated, and deep understanding of the dynamic change rule of groundwater is facilitated. Wherein the high-pressure oxygen-free bottle and the low-pressure oxygen-free bottle can completely simulate an oxygen-free environment in a real environment. By means of the technical scheme, the problem that in the prior art, the reconstruction precision of the underground reducing environment of an underground water simulation device is insufficient is solved.

The application discloses a kind of deep groundwater quality on-line monitoring equipment, belong to water quality monitoring equipment technical field.It mainly aims at the problem of low efficiency of existing product detection, and proposes the following technical scheme, including monitoring cabinet and touch display screen, and the beam, water pump, control unit and water quality monitoring unit arranged in the monitoring cabinet.The application realizes sampling detection of water resources entering the monitoring pool by the detection mechanism in the water quality monitoring unit cooperating with the driving mechanism, and the detection component in the detection mechanism realizes interception of water resources in a small space, so that the standing time of water resources is shortened before detection, and the efficiency of water resource detection is further accelerated by the mutual switching adjustment between multiple detection components, and the water pump does not need frequent start-stop operation, prolongs its service life, avoids the configuration of control valve, reduces equipment cost, and the configuration of related control program is convenient for the promotion of equipment.

To provide a method for evaluating carbon dioxide fixation filler suitable as a technique for evaluating the long-term durability of carbon dioxide fixation filler to be placed in abandoned tunnels of closed and abandoned mines, and to provide an analysis method and analysis program applicable to said evaluation method. [Solution] One aspect of the present invention is a method for analyzing carbon dioxide fixation filler, which is a method for evaluating filler placed in an underground space, in which the filler is a carbon dioxide fixation material containing carbonate produced by reacting a starting material with carbon dioxide, and the method acquires physical quantities indicating the quality of the groundwater present in the target underground space, the temperature and depth of the underground space, the amount of carbonate contained in the filler, the dissolution rate of the filler in groundwater, the specific surface area of ​​the filler, and the ratio of the amount of groundwater inflowing into contact with the filler to the amount of filler, and analyzes changes in the amount of carbon dioxide fixation by the filler over time based on the acquired physical quantities, temperature and depth, amount of substance, dissolution rate, specific surface area, and ratio.

The embodiment of the invention discloses a water resource quality detection method and device applied to a water diversion project and electronic equipment. A specific implementation mode of the method comprises the following steps: performing water quality detection on a water area where a water diversion project is located to obtain an earth surface water quality data set and an underground water quality data set; constructing an earth surface data structure network according to a pre-constructed water area simulation model and an earth surface water quality data set; constructing an underground data structure network; performing water pollution detection on the water area to generate an earth surface water quality detection result set and an underground water quality detection result set; performing correlation analysis on the surface water resources and the underground water resources of the water area to generate water pollution correlation characteristics; determining a surface water pollution area and an underground water pollution area of the water area; and determining the surface water quality detection result set, the underground water quality detection result set, the surface water pollution area, the underground water pollution area and the water pollution correlation characteristics as water resource quality detection results. According to the embodiment, the accuracy of the water area overall quality detection result can be improved.

The invention discloses a wetland groundwater quality environment monitoring method and system, and relates to an image processing and data processing technology, and the method comprises the steps: integrating an imaging probe to an induction buoy, and carrying out the vertical arrangement of the induction buoy in a groundwater monitoring well; acquiring effective water level data of each underground water monitoring well based on the sensing buoy chain at any monitoring moment; image acquisition is carried out by utilizing the triggered imaging probes in the induction buoy chain; according to the image data acquired at each water level, extracting morphological characteristics of the particulate matters retained in the image data at different water levels; identifying particulate matter types under different water levels according to the extracted morphological features; and based on the obtained effective water level data, establishing a corresponding longitudinal coordinate so as to establish a current water level-water quality correlation map according to the identified particulate matters. According to the invention, the water quality of the wetland underground water can be detected in a more intuitive manner, so that the monitoring efficiency of the underground water is improved.

The invention relates to the technical field of underground water quality analysis, in particular to a quantitative sampling device for underground water quality analys.The quantitative sampling device comprises a water diversion mechanism, a standing detection mechanism is arranged on the side face of the water diversion mechanism, and the standing detection mechanism communicates with the interior of the water diversion mechanism; a separable pre-embedded water diversion mechanism is arranged at the bottom of the water diversion mechanism, the pre-embedded water diversion mechanism communicates with the interior of the water diversion mechanism, and quantitative extraction equipment is arranged on the front face of the water diversion mechanism. During use, the drainage pipe and the sampling pipe are arranged on the two symmetrical faces of the flow dividing bin respectively and used for being connected with an external pump and a standing detection mechanism, underground water can be guided into the flow dividing bin to make contact with a probe of the standing detection mechanism, and real-time detection analysis is achieved; the quantitative water taking pump quantitatively pumps deep underground water through the spring pipe for detection and analysis, and the effect that standing detection and quantitative sampling detection can be carried out at the same time is achieved.

The present invention discloses a multifunctional device for groundwater quality detection and water level measurement and a method for use thereof. One end of a probe rod is connected to the top of the connecting chamber. The probe rod is hollow and has the hollow conduit disposed therein. The upper end of the hollow conduit is connected to the air extraction device, and the lower end of the hollow conduit passes through the connecting chamber to the top of the water quality detection chamber. The bottom of the connecting chamber is openably connected to the top of the water quality detection chamber. An integrated detachable test tube bundle is disposed inside the water quality detection chamber. The lower portion of the water quality detection chamber is connected to the water intake chamber, and an integrated detachable water intake tube bundle is disposed inside the water intake chamber. A groundwater level measuring device is installed at the lower end of the water intake chamber, and an alarm device is disposed inside the water level measuring device. Advantages: The device of the present invention can simply and conveniently detect groundwater quality, measure groundwater level, and obtain groundwater samples outdoors in situ. It is simple to operate, low in cost, and widely applicable.

The present invention relates to the technical field of contaminated groundwater treatment, and in particular to a self-adaptive intelligent dosing purification control system and method for contaminated groundwater. By acquiring groundwater quality parameters in real time, the pumping and dosing rates are intelligently adjusted according to monitoring data through a reinforcement learning model, so as to achieve real-time response to water quality changes and avoid unstable treatment effects and secondary pollution. The system uses a preset drug matching database to quickly identify excessive water quality parameters and intelligently match agents, accurately calculate the proportion of agent addition based on the degree of excess, and achieve precise dosing through a metering pump device. The reinforcement learning model takes water quality monitoring data, dosing treatment effects, pumping rates, dosing rates, and output and discharge rates as inputs, and outputs the optimal pumping and dosing control strategy through continuous learning and optimization. The dosing strategy is adjusted in real time according to water quality changes, effectively solving the problems of unstable treatment effects, waste of agents, and high costs in traditional contaminated groundwater treatment systems.

The invention relates to the technical field of underground water sampling, in particular to an underground water quality monitoring and sampling device which comprises a sampling box, a buoyancy component is fixedly mounted on the lower side of the sampling box, a sampling shell is fixedly mounted on the lower side of the buoyancy component, and a sampling component is rotatably mounted on the upper side of the sampling shell. An anti-turbulent flow assembly is fixedly mounted on the lower side of the sampling shell; the worm drives the worm gear to rotate, the worm gear drives the driving rod to rotate, the driving rod drives the driving gear to rotate, the driving gear drives one of the connecting gears to rotate, and therefore the multiple sets of connecting gears are driven to perform linkage movement; the six anti-spoiler plates are driven to move and are parallel to one another, large-particle sediments which do not participate in detection at the bottom of the sampling well are separated, then sampling water is sucked into the sampling well through the one-way suction nozzle, and the situation that the sampling water is mixed and polluted due to turbulent flow generated in the suction process is prevented.

The present invention discloses a method for joint allocation of multiple water sources in oasis agricultural irrigation areas with complex canal systems. The method first simulates the typical annual Longkou water inflow process of abundant, normal, dry and extremely dry years by using a long series of Longkou water intake data based on the P-III frequency analysis method. Then, based on the system coupling principle, the irrigation system engineering distribution and the hydraulic coefficient calculation process are coupled, and the net water demand and gross water demand of each crop in the metering unit are calculated according to the planting plan and the irrigation system. Finally, based on the self-iterative optimization principle, water resources are allocated for each metering unit according to the water balance of the whole process of water demand, the groundwater quality and the water distribution principle, with the goal of minimizing the degree of water demand damage in the whole process. The method has the advantages of strong robustness, easy global convergence and fast calculation speed, and has good fitting effect with the actual water distribution process. The calculation results can be used to guide the scientific water distribution of irrigation area agriculture.

The invention is applicable to the technical field of pollution remediation, and particularly relates to a remediation method for polluted underground water in a storage yard based on coupling and blocking of a permeable reactive barrier, and the method comprises the following steps: acquiring site hydrogeological conditions and distribution conditions of pollution plumes, and constructing a stretching arm type water stop guide wall; constructing a lifting type PRB system, wherein the lifting type PRB system is constructed in a closure area of two downstream arms of the arm-expanding type water stop guide wall; the PRB filler is determined according to the water quality, the flow and the flow velocity of the underground water, the lifting type PRB system is filled with the PRB filler, and the polluted underground water is repaired through the PRB filler. Polluted underground water at the bottom of the tailing pond and around the tailing pond is blocked, guided and converged by the aid of the arm-expanding type water-stopping and flow-guiding wall, the polluted underground water is guided into the lifting type PRB system, and the polluted underground water naturally flows through the PRB system under the converging action of the water-stopping and flow-guiding system. Therefore, the underground water flowing to the downstream through the PRB system reaches the underground water environment quality standard requirement or meets the ecological function requirement of regional underground water.

The present invention discloses an experimental method for evaluating the long-term impact of chemical grouting of porous and fractured rock formations on groundwater quality, comprising the following steps: construction of a model system, pretreatment of test materials and filling of a grouting model, slurry selection and closed grouting, grouting body infiltration, and water quality analysis and hydrochemical analysis and evaluation of the filtered water. The method of the present invention has the characteristics of replaceable grouting materials and adjustable infiltration flow rate; it can realize long-term real-time dynamic monitoring and recording of infiltration flow rate through digital flow and velocity meters, and measure the permeability coefficient of the grouting body; by analyzing the water quality information of the grouting body leachate, it is possible to explore the pollution effect of grouting on the groundwater environment and the interaction between the slurry and the geological body; the method also provides a subsequent hydrochemical analysis template of the grouting body leachate, thereby constituting an indoor systematic evaluation of grouting pollution.

The invention discloses an underground water multi-pollutant rapid prediction and diagnosis system, which comprises a multi-parameter sensing and data acquisition module used for acquiring underground water quality parameters in real time; the edge pretreatment unit is used for carrying out edge pretreatment on the underground water quality parameters; the off-line synthetic data engine is used for generating synthetic training data of transient extreme working conditions; the feature engineering processing unit is used for constructing interaction features based on a geochemical mechanism; the AutoML reasoning unit is used for deducing and outputting a pollutant concentration predicted value through a model; and the physical-data dual-drive fault diagnosis module is used for diagnosing the authenticity of pollution according to three-dimensional calculation results of the physical residual calculated by the physical residual calculation unit, the mean square error of the sensor data calculated by the data reconstruction error unit and the difference between the observed value and the predicted value calculated by the statistical test unit. And judging whether to give an alarm according to the diagnosis result. According to the scheme, the specific pollutants can be accurately identified, and the authenticity of pollution can be accurately identified.

The invention discloses a water quality evolution intelligent analysis system suitable for groundwater investigation, and particularly relates to the technical field of groundwater environment evolution analysis, organizing and calling behavior monitoring of a multi-strategy prediction model is realized based on a model pool construction module, and whether the model is in a gaming polarization state is judged by combining a polarization identification module; the dynamic weight adjusting module is used for adjusting the model participation weight, the entropy constraint module is introduced for inhibiting the weight representation imbalance, the error correction module is used for dynamically feeding back and correcting the prediction error, and the path memory module is used for realizing the storage and reuse of the regulation and control strategy in the polarization state; according to the method, dynamic identification and weight adjustment control of model behavior polarization are realized by constructing a multi-strategy model pool and a polarization identification mechanism, the evolution stability of the system is guaranteed by combining entropy constraint and an error correction mechanism, and the response intelligence and the strategy reuse capability are improved by introducing a path memory module. Therefore, the accuracy, the stability and the self-adaptive capability of the groundwater quality evolution analysis are enhanced.

The utility model discloses an underground water quality detecting and sampling device which comprises a sampling component connected with a pay-off component and used for sampling underground water; the sampling assembly comprises a first electric push rod, a connecting block, a sampling rod, a sampling hole, a baffle ring and a connecting plate; a shell of the first electric push rod is fixedly connected with the sampling rod, a plurality of sampling holes which are uniformly distributed are formed in the sampling rod, and the sampling rod penetrates through a plurality of baffle rings. The utility model relates to the technical field of underground water sampling, in particular to an underground water quality detecting and sampling device which realizes automatic sampling through the cooperation of a pay-off assembly and a sampling assembly. The transverse adjusting assembly and the vertical adjusting assembly can accurately control the sampling position, so that the representativeness of the sample is ensured; automatic sampling reduces the risk that personnel directly contact a polluted water source, and the operation safety is improved.

The invention relates to the technical field of risk modeling, in particular to an intelligent risk management and control method and system for underground water pollution, and the method comprises the steps: collecting underground water quality data, and carrying out the preprocessing of the underground water quality data; based on the preprocessed underground water quality data, pollution state feature vectors reflecting pollutant concentration changes and spatial distribution features are extracted, and an underground water pollution time-space correlation model is constructed; wherein in the process of extracting the pollution state feature vector, a weighted space and time adjacent point interpolation method is used for compensating the pollution state feature vector, and a compensated pollution state feature vector is generated; and identifying the current groundwater pollution degree by using the compensated pollution state feature vector and the groundwater pollution time-space correlation model. According to the invention, through fusion of space-time dynamic modeling and a multi-source monitoring data intelligent compensation mechanism, high-precision identification of the groundwater pollution state and reliable prediction of the risk trend are realized.

The present invention discloses a groundwater quality monitoring sampling device that is easy to clean dirt and a method of using the device, which relates to the technical field related to impurity cleaning, and solves the problem that in the groundwater sampled from the previous group, some dirt adheres to the inner wall of the test tube, affecting the accuracy during subsequent monitoring. The groundwater quality monitoring sampling device that is easy to clean dirt includes a hull, a water quality monitor, a head-mounted camera, a propeller, a lifting and clamping assembly, a hull deflection assembly, and an automatic cleaning mechanism. One side of the top of the hull supports the water quality monitor, and the side of the water quality monitor is installed with a head-mounted camera; in the present invention, when the hull moves to sample groundwater at the next position, the power generated during the movement can be used for the cleaning operation of the previous sampling tube to ensure that the inner wall of the sampling tube will not adhere to dirt. At the same time, the cleaning of the sampling tube is automated, which is more convenient and efficient, and is convenient for subsequent water quality monitoring.

This utility model relates to the technical field of water quality surveying equipment, and discloses a groundwater quality surveying and sampling device, comprising: a support frame; multiple sampling bottles mounted on the support frame and arranged in a circumferential array, each sampling bottle including a bottle body and a cap detachably connected to the bottle body, the cap being provided with a sealing component and a water inlet, the sealing component being able to open and close the water inlet; a rotating disk having an annular protrusion thereon, the support frame having an annular groove thereon, the annular protrusion and the annular groove being slidably and rotatably connected, the rotating disk having an opening and closing component, rotating the rotating disk selectively utilizing the opening and closing component to connect with the sealing component to open the water inlet; and a power component for driving the rotating disk to rotate. This utility model, by providing an annular groove on the support frame and an annular protrusion on the rotating disk, and by slidably and rotatably connecting the annular protrusion and the annular groove, and mounting the opening and closing component on the rotating disk, can ensure the stability of the opening and closing component during operation.