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66 results about "Flood regulation" patented technology

Restoration method of wetland ecosystem

PendingCN119444526ARestoring ecological functionsrestore stabilityData processing applicationsCultivating equipmentsRevegetationEnvironmental resource management
The invention relates to a restoration method of a wetland ecosystem, and aims to improve the biodiversity of a wetland and restore and enhance the ecological function of the wetland through systematic measures. The method comprises the following steps: firstly, evaluating the current condition of the wetland, and identifying specific or endangered species and alien invasive species; secondly, by introducing or protecting specific animal and plant species, the natural habitat is recovered, and the biodiversity of the wetland is improved; thirdly, the water quality and soil conditions of the wetland are improved by adopting technologies such as hydrological regulation and control and vegetation restoration; fourthly, the connectivity of the interiors of the wetlands and surrounding habitats is enhanced, and species migration and gene exchange are promoted. By means of the measures, a damaged wetland ecosystem can be effectively restored, key functions such as water quality purification, flood regulation and carbon storage of the wetland ecosystem can be restored, meanwhile, endangered species are protected, and the ecological value and landscape aesthetics of the wetland are improved.
Owner:ZHONGCHUAN NO 9 DESIGN & RES INST

Integrated simulation method for flood routing

The invention discloses an integrated simulation method for flood routing, and the method is characterized in that the method comprises the following steps: delineating the plane contour of a ground feature in a research region, and carrying out the recognition and classification of the ground feature; fine modeling of ground objects in the research area is carried out; performing space-time numerical discretization on a two-dimensional control equation describing water flow movement on a computational grid, and constructing a two-dimensional hydrodynamic solver; establishing a ground feature calculation module and a connection calculation module of the river channel and the urban / flood storage and detention area along the river; establishing a space-time connectivity control module of the river channel and the urban / detention and detention area along the river, and carrying out simulation of flood routing and regulation and control of the river channel and the urban / detention and detention area along the river step by step; results such as a water flow plane physical field, a section water level and a flow process calculated by the flood rehearsal cooperative work system are stored in a hard disk, and flood regulation and control analysis and evaluation are carried out. The method has the advantages of being good in stability, high in reliability, high in calculation efficiency, high in universality and the like.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

SSP scene reservoir group flood control scheduling method considering hydrological forecast uncertainty

The invention discloses an SSP scene reservoir group flood control scheduling method considering hydrological forecast uncertainty, and the method comprises the steps: obtaining SSP climate scene meteorological data to drive an SWAT model to generate daily runoff, and deducing and designing a flood hydrograph; a flow error sequence is calculated based on historical simulation and measured data, optimal distribution is optimized through fitting of a multi-probability distribution model, and a 95% confidence interval is generated through Monte Carlo simulation to correct design flood; and constructing an optimization model with the goal of minimizing the highest water level of flood regulation, bringing in various constraints, solving an optimal scheduling process by adopting a discrete differential dynamic programming algorithm, and finally refining an adaptive scheduling rule. The method solves the problems that prediction uncertainty is not considered and solving efficiency is low in the prior art, flood control safety and dispatching adaptability of the reservoir group are improved, and the method is suitable for flood control dispatching of the reservoir group under climate change.
Owner:CHINA THREE GORGES UNIV

Flood regulation and control two-stage reverse deduction method under large watershed complex engineering system

The invention discloses a flood regulation and control two-stage reverse deduction method under a large-scale watershed complex engineering system, which comprises the following steps: S1, constructing a watershed flood deduction model: constructing a flood control engineering system joint scheduling and flood routing coupling model according to watershed water system and flood control engineering characteristics; evaluating flood influence and disaster loss based on the coupling model; s2, two-stage reverse deduction based on the flood deduction model and the intelligent optimization algorithm: constructing a calculation framework based on the flood deduction model and the intelligent optimization algorithm, iteratively optimizing and dynamically adjusting scheduling parameters such as water volume, opening degree and the like by taking the minimum overall disaster as a reverse deduction target and taking the minimum watercourse overflow and collapse and the minimum flood diversion water volume as hard constraint conditions, and calculating the overall disaster of the flood deduction model and the intelligent optimization algorithm; and reverse deduction is carried out through a reverse deduction mechanism, and an optimal scheduling scheme considering flood control safety and disaster damage control is generated. The method has the advantages that fast and refined reverse deduction can be achieved, and the actual requirements of basin flood routing refined rehearsal, engineering regulation and control scheme fast optimization generation and the like are met.
Owner:HOHAI UNIV

Reservoir dam flood safety risk assessment method, computer storage medium and equipment

The invention relates to the technical field of reservoir dam safety evaluation, in particular to a reservoir dam flood safety risk evaluation method, a computer storage medium and equipment. The reservoir dam flood safety risk assessment method comprises the following steps: deducing estimated values of hydrological statistical parameters of a sample series; randomly simulating a longer series of flood peak flow long series samples, and obtaining a flood hydrograph corresponding to the simulated flood peak flow series; flood regulation calculation is carried out according to a set scheduling scheme by combining the reservoir capacity curve and discharge curve data of the reservoir, and a flood regulation highest water level value is obtained; and deducing the conditional probability that the reservoir level exceeds different characteristic water levels due to the flood based on the obtained flood regulation highest water level value, and evaluating the flood safety risk of the reservoir dam according to the conditional probability. According to the method, simulation and calculation results can be visually presented, the calculation process is direct and clear, and the method has important practical significance and good application prospects in reservoir operation dam safety risk assessment.
Owner:HUNAN INST OF WATER RESOURCES & HYDROPOWER RES

Flood drainage and desilting device for tailings pond

The invention discloses a flood drainage and desilting device for a tailing pond, and belongs to the technical field of mineral engineering. Comprising a desilting platform device, a telescopic sliding device and the like, a full outer frame device comprises a left outer frame and a right outer frame which are the same in structure and symmetrically distributed, the desilting platform device, the telescopic sliding device and a heavy plate intelligent device are installed between the left outer frame and the right outer frame, and the desilting platform device is rotationally connected with the telescopic sliding device above the desilting platform device; the top of the telescopic sliding device is fixedly installed at the top of the front end of the full-outer-frame device, the inlet end of the sundry conveying device is fixedly installed in the middle of the left outer frame, the outlet end of the sundry conveying device is located on the right side of the right outer frame, and the top of the middle heavy plate intelligent device is fixedly installed at the top of the rear end of the full-outer-frame device. Tailings can be filtered while sundries are collected, the collected sundries can be transported to a designated place, manpower and material resources are greatly saved, flood regulation of different degrees can be conducted according to different water levels, the infiltration line of the tailings pond is lowered, and the overall stability of the tailings pond is improved.
Owner:KUNMING UNIV OF SCI & TECH

Method and system for evaluating nonlinear influence of greenbelt landscape pattern on rainfall flood regulation service

The invention discloses a method and a system for evaluating the nonlinear influence of a greenbelt landscape pattern on a rainfall flood regulation service. The method comprises the following steps: step 1, constructing a basic database; 2, processing data variables; 3, constructing a nonlinear model: taking a green land landscape pattern factor as a core explanation variable, taking a rainfall flood regulation service index as a response variable, introducing a natural environment factor and a social economic factor as control variables, training the random forest model, and constructing a rainfall flood regulation service prediction model; 4, key factors are identified, wherein the top-ranked factors are regarded as key factors playing a role in rainfall flood adjustment service; step 5, analyzing a key threshold: performing visual analysis on a nonlinear relationship between the key factor and the rainfall flood adjustment service by adopting a partial dependency graph algorithm; and by observing positive and negative influence trends and change rates of the key factors on the rainfall flood regulation service indexes in different value intervals, identifying potential key thresholds.
Owner:ZHEJIANG UNIV OF TECH

Method for determining designed flood level of Dongting lake area

The invention relates to the technical field of flood control planning of water conservancy projects, and discloses a method for determining the designed flood level of a Dongting lake district, which comprises the following steps of: a) constructing a flood peak quantity joint distribution model: acquiring historical flood peak flow of a research area and flood quantity data in corresponding time periods, edge distribution fitting is carried out on the flood peak flow data and the time period flood volume data, and a Copula function is adopted to construct a joint distribution model of the flood peak flow data and the time period flood volume data; b) determining a combined recurrence period and a reasonable peak quantity combination boundary: defining and calculating the combined recurrence period of a design event based on the combined distribution model constructed in the step a), and determining a reasonable region boundary of the combination of the flood peak flow and the time period flood quantity in the combined recurrence period in combination with a preset confidence level; and c) deducing the designed flood level: selecting at least one design peak quantity combination in the reasonable area determined in the step b), obtaining the corresponding flood level through flood regulation calculation, and determining the final designed flood level in combination with the flood control guarantee rate. According to the method, by constructing the flood peak quantity joint distribution model and introducing confidence level screening reasonable combination, the scientificity and reliability of determining the design flood level of the Dongting lake area are remarkably improved.
Owner:WUHAN UNIV

Reservoir flood regulation calculation rapid calculation method and system based on dynamic reservoir capacity curve

The invention relates to a rapid calculation method and system for reservoir flood regulation calculation based on a dynamic reservoir capacity curve, and the method comprises the steps: collecting reservoir area data, and constructing an initial reservoir area hydraulic model; collecting alignment samples including a calibration sample and an inspection sample, and inspecting the initial reservoir area hydraulic model by adopting the calibration sample and the inspection sample to obtain a reservoir area hydraulic model; extracting actually measured flood data, dividing into a plurality of incoming water schemes, setting different reservoir outlet flows for each incoming water scheme, inputting the different reservoir outlet flows into a reservoir area hydraulic model for calculation, obtaining sample nodes, and constructing a dynamic reservoir capacity curve graph; on the basis that the water level calculation process is continuous and the highest reservoir water level is equal to the dynamic reservoir capacity curve calculation value, the process forecast of the flood regulation water level in the predicted period is obtained through backward calculation by adopting a water balance equation period by period. According to the method, rapid and accurate reservoir flood regulation calculation under the influence of dynamic reservoir capacity is realized, a session flood reservoir water level forecasting process is provided, and more accurate reservoir water level forecasting information support is provided for reservoir regulation and flood and drought disaster prevention.
Owner:CHINA THREE GORGES CORPORATION +2

Non-consistent flood frequency analysis method based on historical flood and reservoir regulation and storage

The invention belongs to the technical field of hydraulic engineering and hydrology, and discloses a non-consistent flood frequency analysis method based on historical flood and reservoir regulation and storage, which comprises the following steps: acquiring actually measured flood data and reservoir observation data in a preset time period of a to-be-researched drainage basin, and respectively constructing an actually measured flood sequence and a reservoir flood regulation index sequence; constructing a joint distribution model according to the reservoir flood regulation index sequence and the actually measured flood sequence, determining a source function of tracing reconstruction based on the joint distribution model, and reconstructing the actually measured flood sequence into a flood reconstruction sequence which is not influenced by reservoir regulation and storage according to the source function; determining a first flood frequency curve according to the historical flood data of the to-be-studied area and the flood reconstruction sequence; and converting the first flood frequency curve into a second flood frequency curve under a non-consistency condition according to the source function so as to carry out flood frequency analysis. According to the method, the problem of flood sequence inconsistency caused by reservoir regulation and storage is solved, and the accuracy of inconsistent flood frequency analysis is improved by introducing historical flood data.
Owner:XIAN UNIV OF TECH

Flood control dispatching simulation method and system suitable for multistage series-parallel cascade reservoirs

The invention discloses a flood control scheduling simulation method and system suitable for multistage series-parallel cascade reservoirs. The method comprises the following steps: collecting and sorting basic data; extracting a river network water system, dividing sub-basins, generating a topological structure based on a cascade reservoir series-parallel connection relation, and performing standardization processing; on the basis of a cascade reservoir topological structure relation, a model is constructed based on a three-layer nested loop, and reservoir entering flood and flood regulation calculation process simulation of a cascade reservoir is realized step by step from upstream to downstream; by setting schemes, cascade reservoir flood control scheduling processes under different schemes are simulated, and scheme comparative analysis and effect evaluation are carried out. According to the method, the data base plate and the water and rain condition monitoring information are fully utilized, cascade reservoirs with complex series-parallel connection relations such as series connection, parallel connection or series-parallel connection can be adapted, cascade reservoir flood forecasting and flood control dispatching process simulation is achieved, reliable guarantee is provided for scientifically and reasonably formulating a cascade reservoir dispatching scheme, and the method is suitable for large-scale popularization and application. And a technical support is provided for improving flood control and disaster reduction capabilities.
Owner:HUBEI WATER CONSERVANCY & HYDROPOWER RES INST

Method for configuring slope regulation and storage measures based on flood regulation and storage capacity and water consumption control

Provided is a method for configuring slope regulation and storage measures based on flood regulation and storage capacity and water consumption control, including the following steps: S1, collecting and organizing precipitation data of a basin; S2, constructing an optimized configuration model based on a balance between flood regulation and storage capacity improvement and slope water consumption control; S3, initializing settings; S4, computing an optimal comprehensive benefit of the slope regulation and storage measures with a genetic algorithm; and S5, determining whether a number of iterations is maximized; if the number of iterations is maximized, terminating an iteration and outputting data, such that a computation is completed; and if the number of iterations is not maximized, returning to the S4, and restarting the computation. The optimized configuration model of this application can resolve a balanced relationship between flood regulation and storage capacity improvement and slope water consumption control.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

River and lake regulation and storage system flood routing intelligent forecasting method based on dynamic storage and discharge relation

The invention discloses a river and lake regulation and storage system flood routing intelligent forecasting method based on a dynamic storage and discharge relation, and the method comprises the steps: constructing a space-time dynamic association diagram structure which reflects the waterpower relation of a drainage basin, and mapping multi-source hydrological data to generate a model input set with a unified space-time scale; establishing an aggregation reservoir parameterized structure model which comprises a dynamic water level-reservoir capacity relation driven by inflow change characteristics and a composite water level-flow relation integrating a time lag effect and backwater jacking feedback; constructing a flood regulation calculation equation set, and according to the real-time delay state in the composite relationship, adopting an adaptive solution mechanism to switch among different algorithm channels so as to solve the equation set; and correcting the model state by using the real-time observation data and executing rolling prediction. The method effectively solves the problems that in a complex river and lake system, dynamic characteristics of the storage and discharge relation are difficult to depict, the non-in-phase evolution process is unstable to solve, and high-dimensional parameters are difficult to calibrate, and the continuity and physical consistency of flood forecasting are improved.
Owner:HOHAI UNIV

Low-carbon emission real-time control method, device and equipment for urban rainfall flood regulation and storage system

The invention relates to the technical field of environmental engineering, in particular to a low-carbon emission real-time control method and device for an urban rainfall flood regulation and storage system, and the method comprises the steps: obtaining the real-time monitoring data of a target region and the operation state of the urban rainfall flood regulation and storage system; the running state of the urban rainfall flood regulation and storage system is updated according to the real-time monitoring data, it is determined that the current time period is in a target control time period according to the updated running state, the predicted rainfall capacity and predicted inflow capacity of a target area are obtained, and the target control time period comprises pre-rain control time and an in-rain control time period; if the current time period is the in-rain control time period, the opening degree state of a valve is controlled according to the predicted inflow, the available volume of the storage pond and carbon emission generated in the control process, and if the current time period is the pre-rain control time, the operation state of the pump station is controlled according to the predicted rainfall, the real-time water level of the storage pond and the carbon emission generated in the control process. Therefore, the problem that the flood control effect and low-carbon operation cannot be guaranteed at the same time in the prior art is solved.
Owner:WUHAN UNIV

A method for raising the operating water level of an existing hydropower station based on stage design flood

The application provides a built hydropower station operation water level lifting method based on staged design flood, comprising: analyzing flood seasonal variation law of a target hydropower station reservoir, carrying out flood staging on the target hydropower station reservoir flood, and proposing design flood and design flood hydrograph of different periods; constructing a hydropower station reservoir area water surface line calculation model, combining the design flood of the target hydropower station reservoir to calculate the reservoir water surface line under each starting push water level of different periods; constructing a hydropower station flood regulation model, combining the design flood hydrograph of the target hydropower station reservoir to calculate the reservoir highest flood regulation water level under each starting regulation water level of different periods; based on the reservoir water surface line and the highest flood regulation water level, combing the water level lifting opportunity, the water level lifting scheme is drafted. Through the application, the problem that the existing related technology cannot fully tap the comprehensive benefits of the project is solved.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD +1

Weeding machine for footpath ditch

The invention relates to a footpath ditch weeding machine, and belongs to the technical field of forestry seedling cultivation machinery. The problems of soil hardening, weed overgrowing and poor drought and flood regulation capability caused by rain wash and man-machine treading of the nursery footpath ditch are solved. Comprising a transmission shaft, a main machine frame, a transmission box, a rotary tillage assembly, a footpath plough and a soil supporting shovel, the transmission box is installed on the main machine frame, and the power input end of the transmission box is in transmission connection with the power output end of a tractor through the transmission shaft; the main frame is connected with a suspension bracket of a tractor; the left end and the right end of the main rack are each provided with a rotary tillage assembly. A footpath plough is mounted on the front side of each rotary tillage assembly; the left side and the right side of the transmission box are each provided with a power output end, and each power output end is in transmission connection with one rotary tillage assembly through one coupler. Two soil supporting shovels are installed on the main machine frame and located behind the two rotary tillage assemblies respectively. The device is suitable for weeding, soil loosening, auxiliary cold protection, seedbed trimming and other operations of footpath ditches on the two sides of the seedbed.
Owner:HARBIN FORESTRY MASCH RES INST STATE FORESTRY & GRASSLAND ADMINISTRATION

A method for closure and partition disposal of tailings pond

The present invention introduces a zoning disposal method for tailings pond closure, which divides the beach surface into coarse sand area, soft beach area, and clear area-water area at the tail of the reservoir in sequence from the front of the dam body to the tail of the reservoir. The disposal method of the present invention can quickly and safely complete the reinforcement disposal of the soft beach of the tailings pond, complete the closure of the reservoir surface within a specified time, and provide a high-bearing capacity, low-compressibility, and low-water content working platform for subsequent greening after the closure of the reservoir; and for the tailings pond that still uses the original drainage well at the tail of the reservoir to discharge floodwater after closure, it not only effectively guarantees the progress, quality and process safety of the closure of the soft beach, but also ensures that the overall slope of the beach surface after closure is consistent with the design, which is beneficial to flood control and flood discharge safety after closure, and greatly reduces the consumption of closure covering soil.
Owner:CHINA MOLYBDENUM

Flood regulation control method for pumped storage power station for water exchange between lower reservoir sand blocking reservoir and special reservoir

The invention discloses a pumped storage power station flood regulation control method for water exchange between a lower reservoir sand blocking reservoir and a special reservoir, belongs to the technical field of water conservancy project and pumped storage power station flood control design, and aims to solve the problem that dynamic water exchange between the sand blocking reservoir and the special reservoir and multiple uncertain factors are difficult to process in an existing flood regulation calculation technology. Structuring and storing physical and hydraulic characteristic parameters of the power station by constructing an engineering parameter database; generating a state space set covering all potential unfavorable combinations based on a discretization principle; executing nested iterative calculation for each working condition, and dynamically calculating the water balance of the two reservoirs and the exchange flow driven by the water level difference; and finally, flood regulation high water levels of the sand blocking reservoir and the special reservoir are determined through global search. According to the method, the flood process, power generation dispatching and inter-reservoir hydraulic connection are systematically considered, the accuracy of flood regulation calculation and the engineering safety are effectively improved, and a reliable basis is provided for reservoir flood control design of the pumped storage power station with the sediment storage dam.
Owner:POWER CHINA KUNMING ENG CORP LTD

Water volume management method, system, equipment and storage medium for non-coal mine tailing ponds

The present application relates to the technical field of tailings stacking, and provides a water volume management method, system, device and storage medium for a non-coal mine tailings pond. The method includes: determining the water volume brought in by the tailings slurry and the water volume intercepted by the deposited tailings according to the detection results of the incoming tailings indexes; determining the water loss volume according to the water volume intercepted by the deposited tailings, the evaporation volume of the water surface in the pond area, the seepage volume of the pond area and the seepage volume of the dam body; determining the water volume balance value according to the water volume brought in by the tailings slurry, the water loss volume and the water return volume requirement; and determining the normal production water level according to the water volume balance value, the three-dimensional data of the tailings pond, the designed highest flood level, the flood regulation storage capacity and the clarification distance. The water volume management method for the non-coal mine tailings pond provided by the present application can accurately calculate the water volume balance value based on the detection results during the operation of the tailings pond, and then determine the normal production water level based on the water volume balance value, so as to improve the accuracy of the water volume management of the tailings pond and the safety of the tailings pond.
Owner:CHINA ENFI ENG CORP +1

Reservoir spillway flood regulation calculation method and device and electronic equipment

The invention provides a reservoir spillway flood regulation calculation method and device and electronic equipment, and the method comprises the steps: firstly selecting a reservoir original design flood hydrograph of a frequency corresponding to a target standard, then selecting a gate control working condition of a reservoir spillway, and carrying out the regulation calculation of the flood of the reservoir spillway based on the reservoir original design flood hydrograph and a reservoir original discharge capacity curve; and determining a reservoir design flood hydrograph and a reservoir discharge capacity curve corresponding to the gate control working condition, and then performing flood regulation calculation by adopting a water balance method based on the gate control working condition, the reservoir design flood hydrograph, the reservoir discharge capacity curve, the normal storage level of the reservoir and the water level storage capacity curve of the reservoir to obtain a reservoir flood regulation hydrograph. By adopting the method, the efficiency and the accuracy of reservoir flood regulation calculation can be improved, so that the working efficiency of reservoir project spillway type comparison and selection can be improved.
Owner:CHINA WATER RESOURCES PEARL RIVER PLANNING SURVERYING & DESIGNING

Method for determining reservoir flood control capacity release mode in stages

The application provides a method for determining a scheduling mode of reservoir flood control storage capacity released in stages at the end of flood season, and relates to the technical field of reservoir scheduling. The method comprises the following steps: collecting and arranging basic data, including hydrological and meteorological data, information of flood protection objects downstream, and data of reservoir scheduling parameters; determining a release time of reservoir flood control storage capacity based on multiple factor conditions; determining a release discrimination index of reservoir flood control storage capacity according to water level characteristics of a flood control station; carrying out risk analysis and risk atlas drawing of reservoir flood control storage capacity release; and determining a recommended flood control storage capacity release scheduling mode according to the flood control risk atlas. The application determines the release time of reservoir flood control storage capacity and the corresponding discrimination index by comprehensively considering multiple factor conditions, and draws a downstream flood control risk atlas on the basis of flood regulation calculation, and finally determines the recommended flood control storage capacity release scheduling mode in stages, which is of great significance for flood resource utilization at the end of flood season, improvement of reservoir storage guarantee rate, guarantee of downstream flood control safety and water safety.
Owner:CHINA THREE GORGES CORPORATION

Emergency disposal management method and system for flood control project

The invention discloses a flood control project emergency disposal management method and system, and belongs to the technical field of flood control projects. The method comprises the following steps: collecting meteorological data and hydrological data; preprocessing the meteorological data and the hydrological data to obtain a complete meteorological data set and a complete hydrological data set; performing feature extraction on the complete meteorological data to obtain meteorological feature data; training a rainfall forecasting model for predicting rainfall based on the meteorological characteristic data, and generating rainfall forecasting data through the rainfall predicted by the trained rainfall forecasting model; forecasting calculation is carried out based on the complete hydrological data set and the rainfall forecasting data, and a forecasting scheme is generated; performing optimal scheme evaluation on the forecasting scheme to obtain an optimal forecasting scheme; and flood scheduling is carried out based on the optimal forecasting scheme. The flood control emergency response speed and accuracy are greatly improved.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES CO LTD

Flood regulation gate operation logic error prevention method and device based on rule self-learning

The application discloses a flood scheduling gate operation logic anti-misoperation method and device based on rule self-learning, and particularly relates to the technical field of gate scheduling control systems. Trend results are generated by differentially determining the signs of the inflow and reservoir water level, consistency checking is performed in combination with the discharge variation direction and gate opening instruction to form an effective instruction sequence; the residual space amount of the downstream sensitive area is calculated, and the channel impact coefficient is generated in combination with the discharge impact amount and channel conditions; on this basis, the over-limit channel flow is reduced and distributed to the normal channel to form a rechecked sharing result. The application can realize trend dynamic judgment and instruction direction matching, guarantee discharge adjustment and hydrological condition consistency, and through the closed logic of reduction and distribution, the multi-channel flow sharing structure is optimized, the gate adjustment sequence logic is set according to the gate operation principle of the power station design, automatic matching of the discharge and gate adjustment is realized, and the situation of lower gate operation order is prevented.
Owner:GUIZHOU WUJIANG HYDROPOWER DEV

Multifunctional rainwater garden system for urban inland inundation treatment

A multifunctional rainwater garden system for urban inland inundation treatment comprises a rainwater garden, an ecological pool and an underground water storage tank. The rainwater garden is arranged along the hardened ground, the ecological pool is arranged at the low-lying position of the inner side of the rainwater garden, a clear water tank of the underground water storage tank is connected with the ecological pool through a perforated pipe at the bottom, filtered rainwater is collected through the perforated pipe, and a rainwater tank of the underground water storage tank is connected with the ecological pool through an overflow grating and a pipeline on the bank. Overflowed rainwater is collected through the overflow pipe. According to the system, the rainwater infiltration speed and infiltration amount can be increased, the rainwater quality is preliminarily purified, the purified rainwater is collected for simple life use and flower and tree irrigation, the rainwater utilization rate is increased, rainfall flood regulation and storage and rainwater drainage are integrated, the drainage pressure of urban pipelines is relieved, and the risk and probability of urban inland inundation are reduced.
Owner:NANCHANG UNIV

Intelligent water conservancy multi-mode perception and decision optimization system

The invention discloses an intelligent water conservancy multi-modal perception and decision optimization system, and relates to the technical field of urban water network security, and the system comprises a multi-modal perception and fusion module which is used for generating a comprehensive perception data flow; the intelligent diagnosis and early warning module is used for carrying out abnormal feature extraction and event positioning on the comprehensive perception data flow and generating a preliminary diagnosis result; carrying out risk research and judgment to obtain an early warning risk result; the physical constraint risk deduction module is used for deducing by utilizing the physical constraint solving model to generate a risk evolution field; the multi-objective cooperative control module is used for constructing a multi-objective optimization function, reinforcing a learning framework by utilizing a meta-strategy gradient, and generating a cooperative scheduling strategy; the digital twinning and strategy rehearsal module is used for constructing a water network twinning body; and performing verification and screening by using a bidirectional state synchronization mechanism, and outputting an optimal decision set. According to the invention, the core problems of difficult positioning of pipe network aging, low multi-source monitoring precision, rainfall flood regulation lag and the like in urban water network management can be solved.
Owner:JIANGSU MAIDING TECH (GRP) CO LTD

Rain flood regulation and storage efficiency evaluation method and related device

The invention discloses a rainfall flood regulation and storage efficiency evaluation method and a related device, and relates to the technical field of data analysis, and the method comprises the steps: calculating the rainfall depth based on the rainfall scene parameters of a target region; determining a first maximum water storage depth of a blue space in the target area, and calculating a first net water storage volume of the blue space based on the first maximum water storage depth and the rainfall depth; determining a second maximum water storage depth of a green space in the target area based on a runoff curve method so as to analyze a second net water storage volume of the green space; determining the runoff volume of the impervious surface in the target area, and calculating a rainfall flood regulation and storage efficiency index based on the runoff volume, the first purified water storage volume and the second purified water storage volume; and comparing the rainfall flood regulation and storage efficiency index with a preset threshold value, and determining classification information of the rainfall flood regulation and storage efficiency based on a comparison result. According to the method, the calculation cost of a complex hydrological model and excessive simplification of an empirical parameter method are avoided, and efficient and accurate urban rainfall flood regulation and storage efficiency evaluation and classification are realized.
Owner:GUANGZHOU UNIVERSITY

Sponge facility space layout optimization method for urban community rainfall flood regulation and storage

A sponge facility spatial layout optimization method for urban community rainfall flood regulation and storage comprises the steps that firstly, multi-source data of a research area is collected, sub catchment subareas are divided, hydrological parameters are extracted, the current annual rainstorm runoff process is simulated through an SWMM model, and the regulation and storage requirements of all the sub catchment subareas are calculated; 2, two-dimensional hydrodynamic simulation is carried out through an SWMM coupling LISFLOOD-FP model, and a ponding depth distribution diagram is obtained. And 3, based on the multi-source data and the ponding depth distribution map, combining sponge facility layout conditions, constructing a suitability evaluation system, generating a comprehensive suitability score map, and dividing priority areas. And 4, constructing a regulation and storage target equation according to the regulation and storage demand and the suitability score map, solving a facility area combination meeting the regulation and storage demand, and screening out a minimum cost scheme. And 5, performing multi-objective optimization on the facility layout in combination with the ponding depth distribution diagram and the priority region, and screening out an optimal layout scheme. According to the method, the optimal facility layout is provided for each sub catchment area, and the regulation and storage efficiency and the space adaptability of sponge facilities are effectively improved.
Owner:GUANGXI UNIV

Multifunctional regulation and storage pond optimization method based on rainfall flood regulation and control and reclaimed water regulation and storage

The invention provides a multifunctional regulation and storage pool optimization method based on rainfall flood regulation and control and reclaimed water regulation and storage, which comprises the following steps: firstly, carrying out rainfall flood regulation and control optimization design of a regulation and storage pool based on short-duration rainfall to obtain a series of Pareto solution sets, and then carrying out optimization design on the volume, water supply and scheduling strategies of rainwater-reclaimed water combined regulation and storage based on long-duration rainfall to obtain a series of Pareto solution sets. And finally, an optimal scheme is selected through comprehensive evaluation, so that the comprehensive function value of the obtained regulation and storage tank is remarkably improved through multi-level, comprehensive and long-time sequence optimization design, and a more efficient and sustainable solution is provided for modern urban water resource management.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

Underground space flood regulation and storage structure

The invention relates to the technical field of flood regulation, and discloses an underground space flood regulation and storage structure which comprises a bottom plate, side walls, retaining walls and partition walls, the side walls are sequentially connected end to end and fixedly connected with the bottom plate to form a basement, the retaining walls are sequentially connected end to end and fixedly connected with the bottom plate, and a fertilizer groove is defined by the side walls and the bottom plate. A plurality of partition walls are arranged in the fertilizer tank and divide the fertilizer tank into a primary sedimentation flood storage bin, a secondary sedimentation flood storage bin and a filtering flood storage bin, a water inlet pipe communicated with a municipal sand well is arranged on a retaining wall of the primary sedimentation flood storage bin, a flap valve is arranged in the water inlet pipe, and a fine grid is arranged between the primary sedimentation flood storage bin and the secondary sedimentation flood storage bin. And an activated carbon filtering block is arranged between the secondary sedimentation flood storage bin and the filtering flood storage bin. Compared with the prior art, the foundation pit fat groove cavity around the basement is permanently reserved as the distributed flood storage bins, the water storage space can be flexibly allocated by means of the multiple flood storage bins under the extreme waterlogging working condition, the municipal drainage pressure is relieved, and the flood control toughness is enhanced.
Owner:GUANGZHOU DESIGN INST +2

A method and system for optimal flood control scheduling of a reservoir group based on quadratic programming

The present application relates to the technical field of flood control optimal scheduling, in particular to a reservoir group flood control optimal scheduling method and system based on quadratic programming, the method comprising the following steps: according to the water conservancy facilities and hydrological elements in the basin, the system sorts out the spatial distribution of key nodes and their hydraulic connection, constructs a flood control scheduling topological network, and obtains a reservoir group flood control optimal scheduling topological graph; a reservoir group flood control optimal scheduling quadratic programming model is established according to the reservoir group flood control optimal scheduling topological graph; based on the MINOS library of GAMS, the least gradient method and quasi-Newton method are used to optimize and solve the reservoir group flood control optimal scheduling quadratic programming model. The present application couples the propagation of flood between reservoir groups in the mathematical equation set, avoids complex simulation sequential coding, is easy to model, has good universality, and the model is easy to seek an optimal solution, can balance the reasonable scheduling of the flood control capacity, peak shaving effect and reservoir storage capacity of the reservoir, and improve the accuracy and efficiency of flood regulation.
Owner:CHONGQING JIAOTONG UNIV