47 results about "Stormwater management" patented technology

The invention relates to the technical field of rainfall runoff simulation, and discloses a BIM-GIS (Building Information Modeling-Geographic Information System) coupling-based rainfall runoff dynamic simulation method, which comprises the following steps of: planning a simulation process based on input parameters and environmental conditions, determining required BIM data (including building geometric data) and GIS data (including terrain elevation data), and determining different scene types; then generating a dynamic simulation process set, determining an execution sequence, and generating a coupling parameter setting list and a data fusion scheme list of each scene; and finally associating the elements to generate an overall scheme. In addition, the invention also relates to the contents of dynamic simulation boundary determination, data subset extraction, scene type subdivision, simulation process updating, data fusion rule and database establishment and maintenance and the like. The method integrates the technical advantages of BIM and GIS, can adapt to different scenes, realizes data dynamic updating and efficient processing, improves the accuracy and reliability of rainwater runoff dynamic simulation, and can be used in the related field of urban rainwater management.

The invention relates to the technical field of urban rainwater management, in particular to a water-deficient urban rainwater runoff sewage disposal and diversion method and a water-deficient urban rainwater runoff sewage disposal and diversion system. Obtaining an easily-ponding road section distribution map and a rainwater pipe network distribution map, and determining a deposition risk pipeline section; determining an initial interception index according to the rainfall data; determining a starting shear stress according to the continuous rain-free duration; effective shear stress in the pipeline is calculated in the flow dividing stage; when the effective shear stress is not smaller than the starting shear stress, the pollution propagation speed is calculated; according to the pollution propagation speed, calculating the prediction time of the pollutants reaching the shunting node; and when the predicted time and the pollution propagation speed meet the requirements, guiding the rainwater runoff into a sewage treatment path. According to the method, the moving process of the lag pollution peak is dynamically tracked and predicted through the double monitoring points, and the rainwater resource utilization rate is increased.

Methods and systems for identifying stormwater management opportunities in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a method for identifying stormwater management opportunities comprises gathering spatial data for a region; rasterizing the spatial data into a set of raster data layers; forming a plurality of benefit maps using subsets of the set of raster data layers, wherein the plurality of benefit maps corresponds to a plurality of benefit categories; generating an opportunity map by combining a subset of the plurality of benefit maps using weights corresponding to the plurality of benefit categories; and displaying the opportunity map on a user interface.

The utility model relates to the technical field of rainwater management in urban planning and construction, and discloses a sponge city rainwater management system for suburb areas, which comprises a rainwater collection module, a rainwater purification module and a rainwater storage module, the rainwater collecting module comprises a roof water collecting device, a shallow concave type water collecting groove and a linear water collecting ditch. According to the sponge city rainwater management system for the suburb area, through the arrangement of a rainwater collection module, a rainwater purification module, a rainwater storage module, a second water pump and a drainage pipeline, the whole-process closed-loop management of rainwater from collection, purification, storage to reuse can be realized, so that the utilization rate of the rainwater in the suburb area is increased; according to the invention, the water resource waste is reduced, the ecological system service function in the region can be enhanced, the operation and maintenance cost of municipal infrastructures is reduced, the service life of equipment is prolonged, and the public service quality and the resident life quality are improved.

The invention relates to the technical field of rainwater management and intelligent construction, and discloses a modular storage and drainage integrated intelligent regulation and control construction method based on a sponge city concept. The method comprises the following steps: establishing a multi-layer association network for mapping environmental disturbance factors, inputting reference rainfall intensity, activating a seepage state transfer function layer by layer to generate an initial collaborative instruction sequence, issuing the initial collaborative instruction sequence to a physical unit, and collecting and feeding back the initial collaborative instruction sequence; constructing a state deviation topological graph based on feedback and target difference, and reversely adjusting network node parameters to update a function and generate a correction instruction; and the process is iterated until convergence conditions are met, final network parameters and instruction sequences are locked, and pre-configuration before construction is completed. According to the method, multi-environment-factor dynamic collaborative simulation and model closed-loop adaptive optimization based on physical feedback are realized, and the pre-configuration accuracy and the overall operation efficiency of the system are improved.

The application relates to the technical field of rainwater runoff simulation, and discloses a rainwater runoff dynamic simulation method based on BIM-GIS coupling. The method plans a simulation process based on input parameters and environmental conditions, determines required BIM data (containing building geometric data) and GIS data (containing terrain elevation data), and determines different scene types. Then, a dynamic simulation process set is generated, the execution sequence is determined, the coupling parameter setting list and the data fusion scheme list of each scene are generated, and finally, the overall scheme is generated by associating each element. In addition, the method also relates to dynamic simulation boundary determination, data subset extraction, scene type subdivision, simulation process updating, data fusion rules, database establishment and maintenance and the like. The method combines the advantages of BIM and GIS technologies, can adapt to different scenes, realizes dynamic data updating and efficient processing, improves the accuracy and reliability of rainwater runoff dynamic simulation, and can be used in the field of urban rainwater management.

The invention relates to the technical field of urban rainwater management, in particular to a municipal road ponding-proof rainwater guiding, discharging, purifying and utilizing device which comprises a guiding and discharging channel mechanism, a guiding and discharging well pipe, an overflow guiding and discharging assembly, a purifying and water storing mechanism, a purifying and flow guiding mechanism and a water resource utilizing mechanism. Efficient collection of earth surface rainwater is achieved through the guiding and discharging channel mechanism, and the rainwater is guided into the guiding and discharging well pipe through the rainwater guiding and discharging module; part of rainwater is conveyed to a filtering cavity of the purification water storage mechanism through the middle-section filtering groove and the flow guide pipeline, and enters a water storage cavity to be stored after being subjected to multi-layer filtering; purified water is conveyed to a water resource utilization mechanism through the suction module and used for garden spraying and the like. The overflow guide and drainage assembly is automatically started when the rainfall is too large, and drainage safety is ensured. The urban road rainwater management system integrates guiding and draining, filtering, water storage, disinfection and recycling, solves the problem of urban road water accumulation and rainwater resource waste, has the advantages of being compact in structure, stable in operation, convenient to maintain, high in resource utilization rate and the like, and is suitable for urban road rainwater management systems.

The invention belongs to the technical field of urban rainwater management, and particularly relates to a low-impact development facility optimization layout system based on multi-objective optimization and uncertainty analysis. The system comprises a data acquisition and preprocessing layer, an uncertainty modeling and analysis layer, a multi-target collaborative optimization layer, an intelligent decision support layer and a dynamic adaptation and optimization layer. The data acquisition and preprocessing layer serves as a basic support layer of the system and is responsible for acquisition, cleaning, standardization and integration of multi-source heterogeneous data; the uncertainty modeling and analysis layer serves as a core theory layer of the system and establishes a ternary integrated uncertainty processing framework fusing fuzzy logic, the probability theory and machine learning; the multi-objective collaborative optimization layer serves as an algorithm engine layer of the system and integrates a hybrid optimization technology of an adaptive evolutionary algorithm, machine learning and heuristic search; the intelligent decision support layer serves as an interactive interface layer of the system and provides personalized decision support service based on user preference learning; and the dynamic adaptation and optimization layer is used as a self-learning layer of the system and realizes online optimization and adaptive adjustment based on real-time monitoring data. The invention provides a low-impact development facility optimization layout system based on multi-objective optimization and uncertainty analysis.

This invention presents a modern rainwater drainage system designed to efficiently handle urban flooding. The system integrates KerbDrain (hollow kerbstones), water collection chambers, suction and lifting pumps, and a water tower. Powered by solar energy and controlled by automated sensors, the system activates during rainfall to collect and drain water quickly, eliminating the need for deep trenches, gravity-fed pipes, or water tankers. The tower, with a capacity of 1.2 million liters, temporarily holds and discharges water through pressurized pipes, offering an efficient, eco-friendly solution to rainwater management. The idea achieves the following objectives: 1. Elimination of flooding caused by rainwater. 2. Elimination of the need for water tankers. 3. Utilization of rainwater for various purposes such as agriculture or industrial use. 4. Operation of the project using solar energy. 5. Reduction of financial losses and minimization of risks.

The invention relates to the technical field of slope protection, in particular to a slope protection system based on intelligent drainage and a multi-layer capillary barrier structure and a construction method of the slope protection system. Comprising a multi-layer capillary barrier unit and an intelligent drainage device, wherein the multi-layer capillary barrier unit is formed by sequentially arranging a fine-grained soil layer, a medium-grained soil layer and a coarse-grained soil layer; the intelligent drainage device comprises a water soaking area and a drainage groove, wherein the water soaking area is connected with the junction of the coarse-grained soil layer and the medium-grained soil layer and the junction of the medium-grained soil layer and the fine-grained soil layer, and the drainage groove is communicated with the water soaking area. According to the system, the diversion length of rainwater infiltration is prolonged through a multi-layer capillary barrier structure, layered management and rapid drainage of rainwater are optimized, an intelligent drainage device is further introduced, the stability of a slope under the extreme weather condition is ensured, and rainwater management is further optimized.

The invention provides a simulation and evaluation method and system for urban composite water pollution, and the method comprises the steps: taking a rainstorm management model SWMM as a basic platform, dividing a sub-basin and a spatial patch, and building a spatial association relationship among the spatial patch, the sub-basin, a sewer network and an inspection well; a water power module, a runoff pollution module and a combined system overflow CSO pollution module are constructed respectively, coupling among the modules is established to obtain a coupling model, output of the water power module drives load calculation of the runoff pollution module and the CSO pollution module, pollution loads of the runoff pollution module and the CSO pollution module are summarized, and combined pollution total output is obtained; acquiring climate prediction data and urbanization prediction data of a future scene, performing downscaling and standardization processing on the climate prediction data and the urbanization prediction data respectively, generating input data matched with the scale of the coupling model, inputting the input data into the coupling model, and performing simulation to obtain pollution results under different future scenes; according to the method, the simulation precision, prediction reliability, prevention and control targeting and planning adaptability of urban combined pollution are improved.

The present disclosure relates to a vehicle rainwater management system and a vehicle. The vehicle rainwater management system includes a drainage system including a rainwater receiving component configured to receive rainwater at a front windshield (70) of the vehicle, wherein the rainwater receiving component includes at least one of a wiper arm (11) for supporting a wiper blade (10) and an A-pillar trim panel (20). A drain conduit (30) configured to direct the rainwater received by the rainwater receiving component away from the front windshield (70).

A biologically active sorptive media is disclosed for sustainable contaminant removal in, for example, stormwater management systems. This technology addresses the technical problem of hydrophilic trace organic contaminants and dissolved-phase nutrients passing through conventional stormwater infrastructure, posing risks to groundwater and surface water quality. The biologically active sorptive media comprises a biopolymer matrix formed from alginate hydrogel, encapsulating sorbent materials (e.g., powdered activated carbon (PAC), iron-based water treatment residuals (FeWTR]), growth substrates (e.g., wood flour), and biodegrading organisms (e.g., white rot fungi). These beads enable rapid sorption of contaminants during storm events and subsequent biodegradation during inter-storm periods, renewing sorption capacity. The beads are mechanically robust, scalable, and stable for extended periods in high ionic strength solutions. Applications include bioaugmentation of green stormwater infrastructure (GSI), wastewater treatment, and bioremediation. This approach transforms GSI science by coupling sorption and biodegradation for enhanced contaminant removal.

The utility model discloses a refined rainwater management device for urban trees. The refined rainwater management device comprises a flashing board assembly, a nutrient slow-release assembly, a rainwater collecting tank and a water storage support. The flashing board assembly comprises a flashing board and an adjusting cover board, a hole is formed in the center of the flashing board, and the adjusting cover board is arranged in the hole; the plurality of water storage brackets are uniformly mounted at the bottom of the flashing board, and the flashing board, the plurality of water storage brackets and the ground form a plant placement area; the plurality of rainwater collecting grooves are uniformly distributed along the edge of the bottom of the flashing board; the slow-release nutrient assembly comprises a plurality of slow-release nutrient containing grooves and connecting supports, and the multiple slow-release nutrient containing grooves are installed between the hole and the plant containing area through the connecting supports. According to the utility model, the rainwater entering amount of the tree can be effectively controlled according to the rainfall condition, so that the root system of the tree is prevented from being stressed by waterlogging, and the fine management of a single tree in a city is realized.

The invention relates to the technical field of sponge city building rainwater management, and provides a building facade ecological interception system and a building facade rainwater ecological interception method, and the system comprises a source emission reduction layer which comprises a plurality of layers of greening hanging pot assemblies which are arranged along a building facade and have a density gradient of being sparse at the upper part and dense at the lower part and are used for planting plants; each greening hanging pot assembly is filled with a water-permeable substrate, and a capillary medium compounded by coco coir and vermiculite is embedded in each greening hanging pot assembly; the process control layer comprises a vertical flow guide groove correspondingly connected with percolation holes in the bottom of the greening hanging pot assembly, a transverse bent flow channel connected with the vertical flow guide groove, and tail end flow dividing branches connected with the two ends of the transverse bent flow channel; the tail end utilization layer comprises a water storage and recycling unit for collecting and purifying rainwater and an underground capillary percolation well for permeating the rainwater into deep soil, and the water storage and recycling unit and the underground capillary percolation well are respectively connected with one tail end shunting branch. Through cooperation of ecological interception and engineering diversion, rainwater slow flow permeation and resource recycling of the building facade are achieved, and climate regulation and carbon sink improvement are both considered.

The invention discloses a silt self-discharging type rainwater regulation and storage system and a working method, and relates to the technical field of rainwater management. The silt self-discharging type rainwater regulation and storage system comprises a slope silt sinking groove, a self-flushing flow channel, an anti-blocking filtering system and a concrete foundation, the slope silt sinking groove is formed in the bottom side of a rainwater regulation and storage module, the self-flushing flow channel is formed in the rainwater regulation and storage module, and the anti-blocking filtering system is installed between the bottom of the rainwater regulation and storage module and the top of a silt collecting ditch. The problem that a traditional storage pond depends on electric flushing and manual dredging is solved; the design of a siphon flow channel is combined, so that silt is automatically collected during rainstorm; the eccentric rotary filter screen realizes centrifugal self-cleaning by utilizing water flow energy, so that the blocking rate is reduced; on one hand, zero-energy-consumption operation and maintenance are achieved, and the method is suitable for suburb facilities without power sources; secondly, the maintenance cost is reduced; according to the design, self-cleaning in rainstorm and maintenance-free all the year round serve as a core breakthrough, and a fundamental solution is provided for capital construction of a sponge city.

Stormwater and fluid management runoff systems, apparatus, and methods for containing and filtering runoff may be provided. In one implementation, a stormwater management box for managing stormwater runoff may be provided. The stormwater management box may include a top plate and a base plate having a plurality of spaced apart columns positioned therebetween. The stormwater management box may include one or more side panels positioned between the top plate and the base plate, each side panel comprising a cover. The stormwater management box may also include a truss, the truss running perpendicular to the vertical plane of the one or more side panels and fitting within a vertical space between an upper surface of the bottom plate and a lower surface of the top plate.

The invention discloses a city update planning method and device, a medium and equipment, and relates to the technical field of city planning, and the method comprises the steps: obtaining water quality simulation data of a to-be-detected region, inputting the water quality simulation data to a rainstorm flood management model SWMM for water quality simulation, and obtaining an effect value of a water quality theoretical state under a current development condition; obtaining a water quality control target value, pollution source intensity and a runoff coefficient of the to-be-detected area; comparing the effect value of the water quality theoretical state with a target value of water quality management and control, and when the effect value is greater than the target value and for a region with a planning demand, updating the pollution source intensity and the runoff coefficient of the to-be-detected region, and combining water quality simulation data according to the updated pollution source intensity and the runoff coefficient, so as to obtain the water quality management and control result. And performing simulation of the rainstorm flood management model SWMM again, determining the updated effect value until the updated effect value is smaller than or equal to the target value, and obtaining a final urban update planning scheme.

The application relates to the technical field of rainwater management and intelligent construction, and discloses a modularized storage and drainage integrated intelligent regulation and control construction method based on a sponge city concept. The method generates an initial cooperative instruction sequence by establishing a multilayer correlation network of mapping environmental disturbance factors, inputting a reference rainfall intensity, and activating a seepage state transition function layer by layer, and the generated initial cooperative instruction sequence is fed to physical units and feedback is collected; a state deviation topology graph is constructed based on the feedback and target differences, network node parameters are reversely adjusted to update the function and generate correction instructions; the process is iterated until the convergence condition is met, the final network parameters and instruction sequence are locked, and pre-configuration before construction is completed. The method realizes dynamic cooperative simulation of multiple environmental factors and closed-loop adaptive optimization of the model based on physical feedback, and improves the accuracy of system pre-configuration and the overall operation efficiency.

The invention relates to the technical field of rainwater drainage, in particular to a rainwater drainage system with an overflow function, which comprises a rainwater drainage foundation, a water collecting pipe, a perforated collecting pipe and a water outlet pipe, the rainwater drainage foundation is sequentially provided with a rammed earth layer, an anti-seepage geomembrane, a gravel drainage layer, a gravel layer, a soil replacing and filling layer, a covering layer and a deep stagnant water layer from bottom to top; a water collecting pipe vertically penetrates through the rainwater drainage foundation, a water grating barrel is arranged on the top of the water collecting pipe, and an overflow opening is formed in the top of the water grating barrel. A plurality of perforated collecting pipes are arranged in the gravel drainage layer at the waist part of the water collecting pipe, the perforated collecting pipes are vertically connected with upward blind pipes, and backwashing openings are formed in the pipe ends, extending out of the top surface of the rainwater drainage foundation, of the blind pipes. The system has the beneficial effects that the system is suitable for the fields of urban rainwater management, ecological wetland construction, rainwater gardens, green roofs and the like, and the functions of efficient collection, purification, discharge utilization and overflow prevention of rainwater are achieved.

Stormwater management systems, methods, and apparatus for containing and filtering runoff may be provided. In one implementation, a stormwater management crate for managing stormwater runoff may be provided. The stormwater management crate may include a top plate having a first plurality of support column attachments and one or more support column assemblies located below the top plate; the one or more support column assemblies being affixed to the top plate at the support column attachments. The stormwater management crate may further include an intermediate plate may be located below the top plate and above the bottom plate. The intermediate plate may have a third plurality of support column attachments. The intermediate plate may be lightweight and may weigh less than one or both of the top plate and the bottom plate.

The application discloses a kind of urban rain flood simulation method and device, method includes: obtaining the historical flood event data set of research area, historical flood event data set is divided into rating set and verification set;Flood event data set includes: flood event associated land use data, drainage pipe network topological structure data, weather data and flood data;Based on rating set and verification set, respectively with time-varying gain nonlinear city model, water and soil conservation runoff model and stormwater management model as physical constraint, with pre-constructed LSTM coupling, obtain three depth coupling models;Based on rating set and verification set, for each discharge port, the simulation result of the integrated three depth coupling models, determine integrated weight by optimization algorithm, utilize integrated three depth coupling models, obtain integrated model for executing urban rain flood simulation calculation.The application can capture the diversification characteristics of hydrological sequence, realize high-precision interpretable urban rain flood simulation.

The application is suitable for the technical field of sponge city rainwater resource management, and provides a sponge city rainfall analysis method and system based on super-long duration data, which comprises the following steps: obtaining real-time predicted precipitation of a target city expansion area in a predetermined time period, a preliminary rainwater management efficiency formulated for the target city expansion area, and simultaneously obtaining underground water level fluctuation records, historical land cover change data and soil permeability historical data table of the target city expansion area; the rainwater management efficiency is optimized by combining multi-dimensional data such as underground water level fluctuation, soil permeability historical data and historical land cover change information; firstly, the primary correction factor of the rainwater management efficiency is accurately adjusted by analyzing the underground water level change rate and combining the soil permeability rate deviation; and secondly, the average slope of the historical land change trend is used as a secondary correction factor to further optimize the rainwater management efficiency.

Weir systems, methods, and apparatuses for containing and filtering runoff may be provided. In one implementation, a modular weir may be used to isolate suspended solids from a flow of water in a stormwater management crate array. The modular weir may include a plurality of weirs configured to isolate the flow of water from the stormwater management crate, a plurality of column grooves along the one or more weirs configured to extend around a plurality of columns in the stormwater management crate, an inlet located at a first end of the plurality of weirs configured to receive the flow of water within the stormwater management crate, and a cap located at a second end of the plurality of weirs configured to contain the flow of water within the modular weir.

This invention discloses an intelligent stormwater runoff prediction method and system for green infrastructure, relating to the field of urban stormwater management. The method includes: constructing a runoff reduction effect assessment model and a stormwater runoff dynamic simulation model, and deploying the runoff reduction effect assessment model to edge computing nodes; collecting real-time environmental data sequences through an IoT sensor network, fusing meteorological forecast data to obtain predicted rainfall sequences, inputting these sequences into the runoff reduction effect assessment model, and outputting a runoff reduction potential coefficient; if the runoff reduction potential coefficient is lower than a dynamic adaptive threshold, triggering a stormwater runoff prediction process, uploading the data to the cloud, simulating stormwater runoff evolution, and outputting predicted runoff direction, distribution, and scale; conducting a stormwater risk level assessment, and generating a visualized early warning map integrating risk zoning, warning levels, and decision support strategies. This invention solves the problems of untimely and inaccurate stormwater runoff prediction and poor model adaptability in existing technologies.

Per-and polyfluoroalkyl substances (PFAS) are persistent contaminants that pose significant environmental and health risks. This invention introduces a semiconductor heterostructure material under visible light for PFAS degradation in aqueous matrices. Utilizing hexagonal boron nitride (h-BN) and zirconium dioxide (ZrO2), the heterostructure enhances charge separation and light absorption, enabling efficient PFAS mineralization under visible light. The invention offers a cost-effective and sustainable solution for PFAS remediation in wastewater treatment, stormwater management, and industrial effluents. By destroying rather than removing PFAS, the heterostructure provides a transformative advancement in environmental cleanup.

The invention relates to the technical field of urban rainwater management, in particular to a rainfall simulation-oriented rainwater interception and redistribution regulation and control method and a rainfall simulation-oriented rainwater interception and redistribution regulation and control system. The method comprises the following steps: dividing a plurality of catchment areas; a first-stage rainwater sluice or a second-stage rainwater sluice is arranged in the rainwater communication pipe, and a water level monitoring device is arranged below the rainwater grate; determining a regulation and control method of each midstream catchment area according to the sequential relationship of each flood peak time; adjusting the opening degree of the secondary rainwater sluice in response to the upstream blocking manner, or determining a cause; adjusting the opening degree of the primary rainwater sluice in response to the split downstream mode, or determining a reason; and correcting the precipitation model based on the flood peak time deviation value. According to the rainfall simulation-oriented rainwater interception and redistribution regulation and control method provided by the invention, the regulation and control method is specifically determined for different rainfall formation processes, and the accuracy of a rainwater interception and redistribution regulation and control system is effectively improved.

The invention discloses an urban surface runoff pollution cascade ecological interception and purification system and an application method thereof, and relates to the technical field of ecological slope protection and rainwater management. An included angle exists between the bottom of a buffer module and the horizontal plane, and a first side wall and a second side wall are oppositely arranged and located on the two sides of a bottom water guide element correspondingly; in the direction from the first side wall to the second side wall, the height of the bottom water guide element is gradually reduced, the upper portion of the bottom water guide element is a water permeable layer capable of permeating rainwater, the permeated water enters the bottom water guide element, and the multi-stage filter layer in the bottom water guide element can treat the water entering the bottom water guide element. The multiple buffer modules are sequentially arranged in the first direction, the first direction is parallel to the first side wall, the adjacent bottom water guiding elements are communicated, in the first direction, the heights of the multiple bottom water guiding elements are gradually reduced, and the bottom water guiding element located at the lowest end is communicated with a rainwater collecting module. Construction is convenient, the rainwater retention time can be prolonged, and the rainwater purification efficiency is improved.

This utility model discloses a garden rainwater collection, drainage, and purification mechanism, including a water tank, a cover plate, a cylinder, a connecting pipe, a movable ring, and a movable shaft. The cover plate is installed on top of the water tank, the connecting pipe is installed on top of the cover plate, and the cylinder is installed on the outside of the connecting pipe on top of the cover plate. This utility model, by setting up a water tank to store rainwater, a cover plate to seal the top of the water tank, and a connecting pipe to transport the collected rainwater into the water tank for storage, solves the problem of traditional garden rainwater management models that often employ a "rapid discharge" strategy, directly discharging rainwater into the municipal system through surface runoff or pipe networks. This method not only leads to a large waste of water resources but may also exacerbate urban non-point source pollution due to pollutants such as silt, fallen leaves, and oil carried by rainwater, potentially causing blockages and preventing rainwater collection.