1130 results about "Water volume" patented technology

The invention provides an intelligent management method for natural resource engineering data, and relates to the technical field of data processing, and the method comprises the steps: inputting a time-space coupling model into real-time weather forecast data, simulating water distribution schemes under different rainfall scenes, automatically recognizing a river reach position of which the ecological flow is lower than a design threshold value, and carrying out the calculation of the river reach position. In combination with a historical water replenishing strategy case library, generating a multi-objective optimization scheduling scheme including a water replenishing time sequence, a water replenishing path and a water replenishing amount; three monitoring points are arranged at a downstream section of an ecological protection area, a flood control section and a canal head of an irrigation area in a drainage basin, and ecological flow, flood control section water level and canal water level data are monitored in real time respectively; and dynamically correcting the water supplementing time sequence, the water supplementing path and the water supplementing amount in the multi-objective optimization scheduling scheme to obtain a corrected scheduling scheme. According to the method, refinement and toughness of drainage basin water resource management can be improved.

The invention relates to the technical field of intelligent water conservancy, and discloses a cross-regional water transfer project intelligent scheduling method and system, and the method comprises the steps: building a digital twin system based on a geographic information system, hydrological monitoring data and a spatial topological structure, and integrating a meteorological evolution prediction model, a basin hydrological response model and a water demand prediction model; predicting a water demand and an adjustable water amount by using a space-time convolutional neural network and a gating circulation unit; establishing a multi-objective optimization model taking water supply benefit, ecological influence and energy consumption cost as optimization objectives; an optimal water transfer scheme is generated through a Markov decision process and multi-agent cooperation; and carrying out robustness evaluation on the scheme and generating an emergency scheduling plan. According to the method, the scheduling efficiency and adaptability of the water transfer project are remarkably improved, and efficient configuration of water resources and quick response under extreme situations are achieved.

The invention relates to an intelligent decision-making method, system, equipment and medium for sewage medicament addition, and the method comprises the following steps: detecting and preprocessing sewage water quality parameters, extracting feature vectors, and carrying out clustering analysis to obtain water quality categories. Historical dosing data is retrieved and subjected to statistical analysis, and an initial dosing scheme is generated; a water quality change curve is obtained by simulating the scheme, and then the optimal dosing scheme is obtained through optimization. And finally, generating and issuing an agent adding control instruction, and executing treatment, so that the technical problems that the traditional agent adding mode mostly depends on artificial experience or simple automatic control, and is difficult to cope with the complex working condition of dynamic change of water quality and water quantity, so that the agent adding is inaccurate, and the agent waste is possibly caused are solved.

The invention belongs to the technical field of water treatment, and particularly relates to a whole-process three-stage linkage control intelligent flocculation dosing method, which comprises the following steps: collection: collecting water quality and water quantity parameters of inlet water and outlet water in real time in the water treatment process; collecting a floc image in the reaction process, analyzing the particle size distribution and the breakage rate of the floc image, and collecting a torque parameter of a stirring device at the same time; according to the invention, multiple types of sensors are deployed in the water inlet area of the flocculation tank, the reaction area and the water outlet area of the sedimentation tank, water quality, water quantity and reaction process parameters are collected in real time, and edge calculation and cloud optimization technologies are combined, so that full-flow intelligent control from agent pre-feeding, reaction process regulation and control to water outlet effect refinement is realized; the method is suitable for scenes such as municipal sewage treatment plants and industrial wastewater treatment stations requiring precise control of flocculant addition, and is especially suitable for water treatment processes with frequent water quality fluctuation and sensitive agent cost, so that the treatment efficiency can be remarkably improved, and the operation cost can be reduced.

The invention relates to an inter-basin water saving amount transaction and scheduling optimization method, which comprises the following steps of: performing dynamic contrast analysis on water saving behaviors and water resource response on the basis of historical water consumption behaviors, resource regulation and control records and meteorological basic data, judging the autonomy and continuity of the water saving behaviors, and obtaining the right-confirmable water saving amount; according to the watershed water resource tension degree, the water ecology sensitivity and the water transfer cost, a cross-watershed conversion rule is adopted, a conversion scale factor is set, and resource value transverse butt joint of water saving behaviors of different areas is achieved; calculating the flow attenuation, the regional bearing threshold and the water quality compatibility in the allocation path based on the water-saving amount obtained by the water-saving transaction, and determining the available transmission range and the sustainable allocation amount of the water-saving amount; and according to the distribution of the water-saving quotas and the corresponding value grades, carrying out combined screening according to the use priority, the basin compensation relationship and the space-time adaptation requirements, outputting a resource allocation scheme, and forming a cross-basin water-saving-quantity-driven water resource optimal allocation structure.

The invention relates to a habitat restoration-oriented sediment elution critical threshold evaluation method. The method comprises the following steps: introducing form classification including an exchange state, a carbonate binding state, an iron and manganese oxide binding state, an organic binding state and a residue state; a dynamic disturbance response mechanism is fused, and the elutable proportion is re-evaluated under the conditions of flow velocity, pH, oxidation reduction potential Eh and change; calculating a potential active flux index PAFI to quantify a real releasable part of the pollutants in the bottom mud; establishing pollution flux and biological response time sequence data; depicting ecological response sensitive inflection points by using nonlinear fitting; extracting an ecological function critical damage point EBCP as an ecological constraint upper limit of the elution threshold; constructing a habitat bearing factor set comprising a water body volume ratio, submerged vegetation density and benthic organism biomass; introducing a bearing feedback coefficient CFC, and dynamically correcting a pollutant critical flux value; and outputting a loadable elution flux interval for judging whether the ecological risk red line is touched or not.

The invention discloses a method for evaluating the influence of reservoir-water transfer project combined regulation on downstream ecological flow. The method comprises the following steps: step 1, collecting data of a research area; 2, constructing a water transfer project water source area natural water circulation model WEP-NHA; step 3, constructing a natural-social binary water circulation coupling model WEP-HA; 4, simulating the runoff of the water source area by using a WEP-HA model; 5, the system analyzes the change degree of the key control section water quantity and the ecological flow guarantee rate of the water source area under the condition that the reservoir and the water transfer project are overlapped. According to the method, system simulation of disturbance response of a complex system in a water source area can be achieved, the comprehensive influence of a complex water conservancy project system on water resources and the ecological environment is effectively revealed, high adaptability and predictability are achieved, the problem of regulation and storage effect simulation of a reservoir without data or with little data is effectively solved, and the method is suitable for popularization and application. And decision support is provided for scientifically formulating the water transfer scale and guaranteeing the ecological flow.

The invention discloses a water supply system scheduling optimization method and device, electronic equipment and a storage medium, and relates to the field of intelligent scheduling of water supply systems. The method comprises the steps of collecting and preprocessing multi-dimensional data to obtain a data set; the pressure data is analyzed from the space-time dimension, and the unfavorable points and the pressure requirements thereof are accurately identified; the method comprises the following steps: constructing a water volume prediction model by adopting a time sequence model, and constructing a total water head difference prediction model by adopting a Light GBM gradient boosting tree in combination with a MultiOutputRegressor multi-output regression framework; constructing a minimum total water production cost objective function based on a prediction result, and outputting an optimal scheduling scheme by combining water volume and pressure constraint iterative optimization; and establishing a model updating mechanism to ensure dynamic adaptation of the strategy. According to the method, the problems of insufficient pressure guarantee, extensive cost control and weak model practicability and generalization ability are solved, the inherent contradiction that a traditional mechanism model is high in complexity and a pure data driving pressure prediction model is poor in generalization and lacks physical significance is overcome, and safe, stable and efficient intelligent technical support is provided for a water supply system.

The invention relates to the technical field of water environment treatment, in particular to a water quality and water quantity joint scheduling method based on a distributed hydrological model. The method comprises the steps of arranging high-precision monitoring equipment to collect multi-source data, constructing a basic data set, analyzing spatial and temporal distribution characteristics and dynamic change rules of pollutants, designing a multilayer neural network model for training optimization, and generating a water quality prediction result and a scheduling strategy. The invention solves or at least alleviates the capability limitation problem of a non-point source pollution model in the aspect of describing a pollutant migration path and mechanism, and provides a water quality and water quantity joint scheduling method based on a distributed hydrological model. According to the method, through fusion of multi-source data and a dynamic optimization regulation strategy, accurate prediction and efficient treatment of pollutants under complex hydrological conditions are realized.

The invention relates to the technical field of reservoir optimization scheduling, in particular to a dynamic multi-objective optimization control system and method for the water level of a reservoir in a flood season. The method comprises the following steps: acquiring real-time monitoring data of a reservoir; extracting current water level state information according to the real-time monitoring data of the reservoir; establishing a reservoir water balance basic model based on the current water level state information; analyzing pipeline water supply flow change characteristics according to the reservoir water balance basic model; identifying response lag time of pipeline fluid inertia according to pipeline water supply flow change characteristics; predicting a water supply line pressure fluctuation risk based on the response lag time; and determining the water level regulation and control advance according to the water supply pipeline pressure fluctuation risk and the response lag time. According to the method, the multi-objective optimization model is adopted, the flood control safety margin and the water supply guarantee degree can be balanced, and it is ensured that the reservoir can cope with the flood risk in the flood season and can stably meet the water supply requirement.

The invention provides an irrigation district water diversion quantity multistage distribution method under total quantity index constraint, comprising the following steps: dividing an irrigation district into a plurality of calculation units based on an administrative division boundary and a canal system network; respectively calculating the initial water demand of each calculation unit under the living water demand, the industrial water demand, the agricultural water demand and the ecological water demand; based on the initial water demand and according to multiple water resource rigid constraint indexes, performing at least one round of checking and pressure reduction on the initial water demand of each calculation unit to obtain an initial distribution water amount of each calculation unit; and carrying out secondary distribution on surplus water generated after checking and pressure reduction, and compensating the calculation units of which the water demand is not met to obtain the final distribution water of each calculation unit. According to the method, fair, reasonable and efficient distribution of water resources in a complex system with cross coupling of administrative division and canal system networks is realized, and the problems of conflict between a scheme and actual management requirements, water consumption contradiction and the like caused by a traditional single-dimension distribution method are avoided.

The invention discloses a side slope rainwater circulation system based on spongy rainwater utilization, which relates to the technical field of side slope ecological engineering and comprises a water quality monitoring and grading module, a multi-stage water storage processing module, an intelligent irrigation decision module, a water source dispatching and distributing module and a drip irrigation execution module. According to the system, efficient utilization and accurate distribution of slope rainwater resources are achieved through the intelligent water source dispatching and distributing module, the system can dynamically select the optimal water source unit according to real-time water quality monitoring data and water use requests, reasonable distribution of the water resources is ensured through a grading response strategy, and the water resource utilization rate is improved. When the water consumption demand exceeds the available water consumption of a single water storage unit, the system can automatically generate a new water consumption request, water consumption interruption caused by insufficient water sources is avoided, meanwhile, by monitoring the water level of the water storage unit in real time and calculating the safety capacity margin, the system can effectively prevent and control the water level risk, and stable operation of the system is ensured.

The invention relates to a water conservancy facility internet of things real-time monitoring method and device, equipment and a medium. The method comprises the following steps: acquiring water quality and quantity data, comparing the data with a preset safety threshold to generate a preliminary abnormal point location set, and processing through a sliding window algorithm and a historical time sequence model to generate a standardized abnormal report; generating an initial control command through the edge-deployed pruning LSTM model in combination with rainfall prediction data, and generating an equipment operation instruction after verification; executing the instruction to drive the equipment and collecting the response state of the equipment, and resolving conflicts through a Raft algorithm to generate a unified scheduling command; and after the unified scheduling command is executed, the model parameters and the preset safety threshold are updated through a Q-learning optimizer according to the flood discharge quantity feedback data. According to the method, real-time monitoring and intelligent regulation and control of the water conservancy facilities are achieved through data processing, intelligent decision making, collaborative scheduling, dynamic optimization and the like, and the safety, stability and intelligent level of operation of the water conservancy facilities are effectively improved.

The invention discloses a flood control reservoir flood season application method giving consideration to water resource utilization, and the method comprises the steps: calculating and designing a water inflow process, a water demand process and a minimum reserve water amount and water level process according to the obtained long series of data of a drainage basin; according to the activation mechanism and the quit mechanism, timely developing a flood-control reservoir flood-season water resource application mode or a flood-season reservoir floating water level operation control strategy, and finally, after flood-season operation is finished, evaluating and evaluating the effect of the flood-control reservoir flood-season water resource application mode. The method can more scientifically guide the reserve water amount of the flood control reservoir at the proper time in the flood season to cope with the influence of drought events on downstream water supply safety, and the drainage basin flood and drought disaster prevention and water resource optimal allocation capacity is improved.

The invention relates to the field of animal husbandry feeding control, in particular to an automatic feeding method and system based on electromagnetic valve flowmeter data, and the method comprises the steps: collecting a historical water pressure time sequence of a drinking water pipeline; static characteristics and dynamic characteristics of all water pressure characteristics of the water pressure time sequence are calculated, and a feeding error is calculated according to the target feeding water quantity and the actual feeding water quantity collected during feeding every time; the water pressure features are clustered, corresponding initial weights are distributed to the static features and the dynamic features in the clustering process, an evaluation function is constructed according to the difference of feeding errors in each cluster after clustering is completed, and when the evaluation function value reaches the minimum value, an optimal clustering result is obtained; according to the optimal clustering result, the water volume during real-time feeding is adjusted so as to complete water drinking management of the livestock. According to the method, the water quantity during real-time feeding is adjusted according to the optimal clustering result, and a more accurate feeding strategy can be formulated according to different conditions.

The invention discloses a coal mining water retention method, which comprises the following steps of: pre-calculating the height h0 of a water flowing fissure zone in a deep aquifer when the water yield Q2 of a coal mining mine is equal to the total water consumption Q1 of production and life of a mining area, and then calculating the corresponding mining height M0 when a coal seam below is mined according to the height h0 of the water flowing fissure zone; according to the mining height M0, the filling height M2 needing to be equivalently filled in the goaf is calculated, and materials are filled into the goaf behind along with advancing of the coal face during coal mining until the materials reach the height of M2, so that too high or too low development of the water flowing fissure zone can be inhibited, the filling height or thickness can be reduced, and the filling efficiency is improved. According to the method, the balance between the filling height of the goaf and the development height of the water flowing fractured zone is found in an equivalent filling mode, mine water generated during coal mining can meet the total water consumption of production and life of a mining area, the defects caused by complete filling can be avoided, the coal mining efficiency is improved, and the water retention effect is also improved.

The invention discloses a port sewage treatment intelligent control and water resource efficient utilization system and method, belongs to the technical field of water conservancy projects, and collects multi-source water quality, water quantity, equipment operation state, pipe network and environment data in real time by deploying an environment data sensing module in a port area. And the multi-source data fusion and analysis module cleans, analyzes and predicts the data and generates an optimization decision basis. The flow decision control module generates an intelligent control instruction based on the flow decision control module, and controls sewage treatment facilities and water resource scheduling. And the intelligent execution and feedback module executes the instruction and visually presents the instruction. Intelligentization and energy consumption optimization of port sewage treatment are effectively realized, and through linkage of dust concentration and reclaimed water dust suppression, intelligent allocation of multi-source water bodies and the like, the utilization efficiency of water resources is greatly improved, the operation cost is reduced, dependence on municipal water is reduced, and sustainable development of port water affairs is realized.

The invention discloses a water volume optimal configuration method and equipment based on topological correlation, and belongs to the technical field of water resource management. An existing water distribution scheme does not consider the coupling relation and the space-time correlation between water utilization units, and therefore an existing water allocation scheme cannot achieve optimal allocation of water utilization of all the units. According to the water volume optimization configuration method based on the topology correlation, a topology simulation module, a first water distribution calculation module and an optimization decision module are constructed, for an unconstrained scene, the coupling relation and the space-time correlation between water consumption units are captured, a distribution strategy is dynamically adjusted, and an optimization water distribution scheme is obtained; and for a constrained scene, a water distribution problem is converted into a multivariable optimization problem, and an optimized water distribution scheme is obtained, so that the coupling relationship and the space-time correlation between the water consumption units can be fully considered, the optimal distribution of water consumption of each unit can be realized, the waste of water resources is avoided, the contradiction between supply and demand is reduced, and the sustainable development of water supply economy can be realized.

The invention discloses a multi-level water supply and drainage balance monitoring method and system for the water affair industry, and relates to the technical field of water affair monitoring. The method comprises the following steps: deploying a multi-level monitoring network; the method comprises the following steps: collecting real-time data of a multi-level monitoring network, executing space-time alignment operation, and preprocessing the data; constructing a quarterly three-dimensional water balance equation, and dynamically estimating through Kalman filtering; dBSCAN clustering is implemented based on pipe network topology, and leakage positioning is carried out to generate a leakage probability thermodynamic diagram; and establishing a hierarchical response mechanism to carry out multi-level early warning linkage, and rendering a multi-layer perspective view in a GIS (Geographic Information System) engine. According to the method, a quarterly three-dimensional water balance equation is constructed through a city-region-enterprise three-level dynamic weight model and a hierarchical penetration algorithm, and dynamic estimation is performed through Kalman filtering; dBSCAN clustering is implemented based on the pipe network topology, leakage positioning is performed, a leakage probability thermodynamic diagram is generated, the water affair monitoring efficiency is improved, and the manual troubleshooting workload is reduced.

The invention provides an intelligent water affair data management method and system, and the method comprises the steps: determining adjacent leakage points through a distribution density change direction, recognizing a pressure gradient between the adjacent leakage points, and determining a single-point water yield correction proportion; checking the single-point water yield correction proportion and the instantaneous flow value in the leakage point related data set to obtain a flow deviation value, identifying the type of the leakage point according to the flow deviation value and the flow fluctuation characteristics, and adjusting a leakage contribution degree evaluation weight table according to the type of the leakage point; summarizing the total leakage water quantity from the classified real leakage water quantity components, analyzing a change rate in combination with historical total leakage water quantity data, evaluating whether the change rate reflects a total water quantity reduction phenomenon under the condition that the number of leakage points is increased or not, and obtaining a total leakage water quantity verification result; and according to a total leakage water quantity verification result, the partition pressure data and the distribution density change trend are integrated to generate a pipe network health assessment report, and the overall accuracy improvement degree is assessed through an accumulated value of a real leakage water quantity component in the report.

The invention provides a multi-task comprehensive utilization system and method for a low-water-head high-variable-amplitude pumped storage power station. The multi-task comprehensive utilization system comprises an upper reservoir, a lower reservoir, a diversion tunnel, a pumped storage unit, a communicating pipeline and a peripheral water distribution main line. The upper reservoir and the lower reservoir simultaneously have a water supply function and a function of guaranteeing operation and power generation of the pumped storage unit; monitoring water level changes of the upper reservoir and the lower reservoir in real time through an intelligent monitoring system to obtain a water head difference; the water quantity of the upper reservoir and the lower reservoir is dynamically dispatched according to the water head difference, the water supply requirements of areas around a project are met preferentially, and meanwhile safe and stable operation of a power grid is guaranteed as much as possible. According to the invention, a multi-objective genetic algorithm is used to optimize power generation, water supply and ecological benefit objectives; meanwhile, excavated earthwork is processed and treated to serve as building aggregate, the ecology is improved through the water surface of the power station, and local economy is promoted. According to the method, multi-task cooperation of water supply, power generation, aggregate supply, ecological improvement and economic development is achieved, the comprehensive benefits of engineering are improved, and sustainable development is promoted.

The invention discloses a deep and shallow well dewatering construction method for a multi-aquifer communicated stratum foundation pit. In order to solve the problems of sedimentation outside a pit and wall deformation caused by one-time pumping and descending of a traditional mixed well, a shallow well with a filter screen located in a phreatic layer and a deep well extending to a confined aquifer are arranged in a foundation pit in the construction method; measuring and setting out, exploring and digging, hole forming, hole cleaning and slurry changing, well pipe descending, filling, water stopping and well washing are sequentially completed, and then an independent pumping and descending system is formed; water level, water quantity and peripheral deformation data are obtained through a single well-group well test, and a deep well starting threshold value is determined; before the foundation pit is excavated, only a shallow well is started to drain a phreatic bed, deep well pressure reduction is started in an echelon mode after the foundation pit is excavated to the preset depth and a support is erected, and on-demand dewatering is achieved; the bottom plate construction stage is divided into three stages for well shut-in. The construction method can obviously reduce the drop amplitude of the water level outside the pit, the lateral displacement of the wall body and the ground surface settlement, has the advantages of safety, economy and environmental protection, and is suitable for coastal complex geology deep foundation pit engineering.

The tunnel waterproof structure comprises a concrete arch hole and a bottom plate arranged in an inner cavity of the concrete arch hole, an arch-shaped water blocking groove matched with the outer contour is formed in the outer wall of the concrete arch hole, and a plurality of water outlet holes are evenly formed in the inner wall of the arch-shaped water blocking groove. When the device is used, the servo motor drives the winding roller to rotate, so that the tightening belt can be tightened and loosened, when the amount of permeated water is large, the servo motor can be utilized to drive the tightening belt to be tightened and extrude the water-absorbing sponge, and the water squeezing effect on the water-absorbing sponge can be further improved under the arrangement of the arc-shaped water squeezing strip; the water absorption sponge is used for absorbing water permeating into the inner cavity of the arch-shaped water blocking groove, and then the lacing belt is used for extruding the water in the water absorption sponge out of the water outlet holes and the water drainage holes, so that the water absorption and drainage efficiency is improved, and the problem that the tunnel is poor in water permeation prevention effect is effectively solved.

The invention discloses an integral time-delay parameter identification method based on unbalance, which comprises the following steps: S1, constructing a discrete table of a river water level-storage capacity relationship in a steady state based on a river and canal hydrodynamic model, and constructing a river water level-storage capacity relationship model by adopting a three-dimensional spline interpolation method; s2, calculating the actual average storage capacity variation of the river channel in each unit time length according to the river channel water level-storage capacity relation model; s3, combining the flow monitoring data at the two ends of the riverway with the actual average storage capacity variation of the riverway in each unit time length, and calculating the unbalance of the riverway; and S4, constructing an integral time-delay model according to the unbalance of the river channel, and identifying parameters in the integral time-delay model by adopting a genetic algorithm. Based on an introduction mechanism of the unbalance, the difference between the theoretical water volume change and the actual observation change is explicitly described; therefore, the problem that a traditional integral time-delay model neglects non-ideal factors such as system lag and measurement errors is effectively solved.

The present invention relates to the technical fields of tunnels and underground engineering. Provided are a frame difference method-based automatic identification and early warning method and system for water inrush in tunnels. The number of water inrush points, the amount of water inrush, and the quality of the water inrush are monitored in real time and early warning is performed, thereby making up for the shortcomings of manually monitoring water inrush in tunnels, solving the problems of poor tunnel environment, low surveillance video accuracy, and poor real-time performance in manual monitoring, reducing labor costs, and also more effectively ensuring construction safety.

The invention discloses a mine water disaster intelligent early warning system and method, and relates to the technical field of mine water disaster monitoring. The early warning method comprises water inrush risk early warning, well flooding risk early warning and water environment risk early warning. According to the water inrush risk early warning, water inflow time sequence data are processed through a sliding window, three-level water inrush risk early warning is excited continuously for three times, early warning can be upgraded, and the water inrush is predicted; three-level threshold values are set for well flooding risk early warning on the basis of double ratios of water inflow, drainage capacity and water sump volume; water environment risk early warning monitors water quality according to the national standard, and early warning is carried out in three levels according to pollution risk indexes. The early warning system comprises a monitoring unit, a data management unit, a water disaster early warning unit and a visualization unit. Through multi-parameter cooperative monitoring, intelligent analysis and expert judgment, the accuracy, timeliness and intelligent level of water disaster early warning can be remarkably improved.

The invention relates to the technical field of urban drainage, and discloses an urban discharge port water quality and quantity prediction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining hydrological basic data, meteorological data, water quality pollution data and geographic data in a target area; the data is input into a pre-established water quality and water quantity prediction model to obtain a water quality and water quantity prediction result, a runoff production process simulation function in a runoff production module of the water quality and water quantity prediction model is obtained by summing runoff production processes of various types of sub-regions, the infiltration capacities of different types of sub-regions are different, and the infiltration capacities of the different types of sub-regions are different. Key parameters in a water quality migration process simulation model in the water quality module are dynamically adjusted through a grading function value, and the grading function value is determined according to the rainfall intensity and the total rainfall amount in the rainfall event. According to the method, the target area is partitioned according to the infiltration capacity, and the water quality migration process is optimized by using the rainfall intensity and the total rainfall amount in the rainfall event, so that the obtained water quality and water quantity prediction result is more accurate.

The invention discloses a novel multi-source disturbance quantity and multi-pump flow matching analysis method for a deep-sea mining vehicle. The method comprises the following steps that the lower limit value of the water diversion quantity at a collection head gap is set; determining the upper limit value of the flow of the mixture absorbed by the dredge pump; determining a lower limit value of the flow of the mixture absorbed by the primer pump; determining the lower limit value of the flow of the mixture absorbed by the dredge pump; determining the upper limit value of the flow of the mixture absorbed by the primer pump; according to a mass conservation method, the lower limit value of the water diversion amount at the gap of the collection head, the upper limit value and the lower limit value of the flow of the mixture absorbed by the dredge pump and the upper limit value and the lower limit value of the flow of the mixture absorbed by the water diversion pump, the water diversion amount at the gap of the collection head is drawn; and determining the flow range of the mixture absorbed by the dredge pump and the flow range of the mixture absorbed by the primer pump according to an envelope diagram of the flow of the mixture absorbed by the dredge pump and the flow range of the mixture absorbed by the primer pump. The defect that the pump flow matching performance of the mining vehicle is poor is overcome.

The invention discloses a double-layer optimization method and system for real-time flood control scheduling of a series reservoir group. The method comprises the steps that the maximum feasible impounding boundary of each time period is calculated based on the discharge capacity and storage capacity constraint of each reservoir; constructing a space-time risk response kernel matrix, encoding lag response and attenuation intensity of flood routing, constructing a dynamic risk potential energy index in combination with real-time reservoir capacity, and solving space distribution water quantity of each reservoir by taking minimization of the index as a target under physical boundary constraint; the space distribution water quantity is used as a guide target, an evolutionary algorithm embedded with a physical consistent projection operator is adopted, and iterative optimization is carried out on hourly output flow of each reservoir. According to the method, through matrix coding of the space-time risk and introduction of manifold projection solution, the problem that upstream and downstream hydraulic space-time coupling and strong physical constraint are difficult to solve is effectively solved, and the physical consistency and peak clipping efficiency of a scheduling scheme are improved.

The invention discloses a control roof drainage method for multiple coal faces in a monocline structure area, which combines the characteristic that the water level of a monocline structure is gradually increased along with the burial depth, and adopts a layered and graded control drainage strategy by utilizing the burial depth difference of the working faces, and comprises the following steps of: firstly, controlling the drainage water level at a preset water head threshold value; ensuring that the water level is lower than the elevation of the bottom plate of the first mined shallow working surface, and meeting the safe mining condition of the shallow working surface; and after mining of the shallow working face is completed, the drainage amount of the drill hole is gradually increased, the drainage level is reduced, the mining requirement of the next deep working face is met, and sequential mining of multiple working faces from shallow to deep is achieved in the same manner. According to the method, the drainage drill holes are formed in the low-position roadway at a time, roof water disaster prevention and control of all the working faces are achieved in order in a controlled drainage mode, the dynamic water inflow of the working faces can be reduced, and remarkable economic, safe and environmental benefits are achieved.