Patents
Literature
56 results about "River management" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
River management range efficient demarcation method based on multi-source data fusion and spatial characteristic difference
The invention provides an efficient riverway management range demarcation method based on multi-source data fusion and spatial characteristic difference, and the method comprises the steps: constructing a whole-process technical system of law and regulation analysis, multi-source data fusion, characteristic parameter extraction and dynamic optimization, integrating the multi-source data of satellite remote sensing, unmanned aerial vehicle aerial survey, hydrological monitoring, etc. Key parameters such as a central line, a gradient and a curvature of a river channel are extracted by utilizing an intelligent algorithm, and accurate delimiting of a management line is realized by combining design flood level calculation and Kriging interpolation optimization. The invention aims to break through the limitation of the traditional method, improve the demarcation efficiency and precision, provide standardized and executable technical support for scientific management of complex rivers, and assist the cooperative promotion of flood control safety and water resource protection.
Owner:CHINA THREE GORGES UNIV
River management-oriented multi-parameter water quality intelligent prediction method and system
PendingCN121393643AChemical property predictionMolecular entity identificationComputation complexityData integrity
The invention discloses a river management-oriented multi-parameter water quality intelligent prediction method and a river management-oriented multi-parameter water quality intelligent prediction system, relates to the technical field of environment monitoring and artificial intelligence, and particularly discloses a water quality intelligent prediction system and a water quality intelligent prediction method. According to the system, original water quality monitoring data is cleaned and repaired through the missing value filling module, so that the data integrity is ensured; performing deep feature extraction and fusion on the multi-parameter water quality data by using a convolutional neural network (CNN) to generate high-dimensional feature mapping; then, a bidirectional long-short-term memory network (Bi-LSTM) model is adopted to carry out forward and backward bidirectional learning on the extracted time sequence features, and a complex dynamic rule and a long-term dependency relationship of water quality parameter changes are accurately captured; and finally, an optimized loss function module is introduced to minimize a training error, so that the prediction accuracy is further improved. According to the method, the problems of insufficient precision, high model calculation complexity and weak multi-parameter collaborative prediction capability caused by data missing in the existing river water quality prediction technology are solved.
Owner:POWER CHINA KUNMING ENG CORP LTD +1
River channel self-adaptive desilting system and method based on intelligent water level sensing
ActiveCN121956598AAccurately restore designed water passing capacityImprove the accuracy of dredging operationsWater resource protectionAdaptive controlSensing dataTerrain
The invention relates to the technical field of riverway desilting, in particular to a riverway self-adaptive desilting system and method based on intelligent water level perception, and the method is executed by a central control unit and comprises the four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, precise survey and operation planning and closed-loop execution and model synchronization. The system comprises a central control unit, a water level intelligent sensing array, terrain scanning equipment and dredging machinery, according to the method, the three-dimensional digital riverbed model is constructed, the sedimentation state is dynamically judged in combination with the water level sensing data, an accurate desilting operation scheme is generated, and operation closed-loop control is achieved. According to the method, navigation and ecological riverway dredging requirements are considered, the dredging precision and automation level are improved, the operation cost is reduced, intelligent transformation of riverway management is promoted, and an efficient solution is provided for long-acting treatment of the riverway.
Owner:FUJIAN UNIV OF TECH ENG DESIGN CO LTD +2
Sludge dewatering device for ecological management of water conservancy river channel
PendingCN121894898ASludge treatment by de-watering/drying/thickeningWater contaminantsRiver routingRiver management
The invention provides a sludge dewatering device for water conservancy river ecological management, and relates to the technical field of water conservancy project and river ecological management. The mounting bottom plate is mounted in ship body equipment, and the supporting frame is fixedly mounted at the upper end of the mounting bottom plate; the upper end of the supporting frame is of an inclined face structure inclining towards the lower portion of one side, and an inclined frame is fixedly installed on the inclined face structure of the supporting frame. A dewatering box with an upward opening end is fixedly mounted at the upper end of the inclined frame; a floating platform is arranged on one side of the mounting bottom plate and located in the water surface. A sludge mixing box is mounted at the upper end of the floating platform. The floating platform is in sliding fit with a hanging pin of the supporting frame through a movable strip hole in a connecting arm and is matched with a stable row, extending into water, at the bottom of the floating platform, so that the floating platform can adapt to water surface fluctuation, wind wave impact is effectively buffered, and a dynamic and stable working platform is provided for a sludge pumping box and a sludge mixing box; and continuity and reliability of mud pumping and mixing operation are ensured.
Owner:徐州市供排水管理中心
A sewage filtration device and treatment method for river management
ActiveCN119176593Bavoid cloggingeasy to transportTreatment involving filtrationWater aerationChemical treatmentRiver routing
This invention discloses a sewage filtration device and treatment method for river management, relating to the field of sewage filtration technology. It includes an outer casing, a filtration component, a collection component, and a chemical treatment component. The filtration component includes a filter belt, and the collection component includes a collection box with several connecting pipes at its bottom. A switching mechanism is located inside the outer casing. The chemical treatment component includes a water pump, a first liquid tank, a second liquid tank, and a chemical tank. A first control mechanism is located inside the second liquid tank, and a second control mechanism is located inside the first liquid tank. This invention uses several collection boxes mounted on a rotating shaft to facilitate automatic switching of the collection boxes. During switching, it facilitates the compression and dewatering of solid impurities inside the collection boxes. A dosing component allows for the automatic addition of chemicals to the second liquid tank, and an aerator ensures thorough mixing of the sewage and chemicals.
Owner:HYDROLOGICAL BUREAU OF YELLOW RIVER WATER CONSERVANCY COMMISSION
Intercepting type trash holding structure for river regulation
ActiveCN224133682Ustable floatingFloating, lifting and stableWater cleaningRiver routingRiver management
The utility model discloses an interception type trash holding structure for river regulation, and belongs to the technical field of river regulation, the technical scheme is that the interception type trash holding structure comprises a trash holding net, and a floating lifting assembly is arranged on the outer side of the trash holding net. The floating blocks on the two sides can enable the trash holding net to automatically adjust the height along with rising and falling of the water level by means of buoyancy, when the water level rises, the floating blocks drive the trash holding net to move upwards, garbage is prevented from crossing over the trash holding net, it is ensured that pollutants can be effectively intercepted all the time, and when the water level falls, the trash holding net also falls along with the trash holding net to continuously play an interception role. The connecting rods on the inner sides of the floating blocks are stably connected with the trash holding net, meanwhile, the floating blocks on the two sides of the trash holding net float more stably, pulleys in the guide grooves are matched with the guide rails, the trash holding net can be guided to ascend and descend stably, friction is reduced, the stability of the whole structure is enhanced, and the stability of the guide rails is improved through the balancing weight at the bottom. Therefore, the stability of the trash holding net in water is ensured.
Owner:HUBEI HAOLANG CONSTR ENG CO LTD
A river section form feature recognition method based on remote sensing
The present application belongs to the technical field of river section feature recognition, and particularly relates to a river section morphological feature recognition method based on remote sensing. The present application realizes accurate recognition and dynamic monitoring of river morphological features through multi-source remote sensing data fusion analysis, improves the scientificity and efficiency of river management, and provides fine data support for river ecological restoration and management through the construction of river section classification and morphological modules, thereby supporting the intelligentization and dataization needs of river management decisions. Meanwhile, through time sequence analysis of the repair node and the current node, the effective prediction of the river morphological evolution trend is realized, and after the prediction result is output, the confidence is also checked and evaluated, thereby ensuring the reliability and applicability of the prediction result, so that the prediction result can provide corresponding data support for river regulation engineering, can predict the river morphological change trend in advance, and also provides a scientific basis for flood control and disaster reduction and water resource management.
Owner:CHINA CONSTR WATER ENVIRONMENTAL PROTECTION CO LTD
Movable miniature ecological floating island
ActiveCN224279954Uprevent looseningno displacementAgriculture gas emission reductionFloating buildingsRatchetRiver routing
This utility model relates to the field of river management technology and discloses a movable micro ecological floating island, including a floating bed. Multiple planting tubes are movably connected vertically through the interior of the floating bed. A retaining ring is fixedly fitted onto the outside of each planting tube above the floating bed. Clamping mechanisms are provided on both the front and rear sides of the planting tubes on the upper surface of the floating bed. Positioning mechanisms are provided at the four corners of the upper surface of the floating bed. This utility model utilizes a pawl and ratchet locking design. After the positioning anchor sinks to the bottom of the water under gravity, releasing the pawl enables one-way self-locking of the rocker arm, effectively preventing the positioning rope from loosening and ensuring that the floating bed does not shift under water flow or wind force, ensuring stable and reliable positioning. Simultaneously, when moving the floating island, simply turning the rocker arm clockwise quickly retracts the positioning rope and anchor, making operation simple and quick, significantly improving the efficiency of floating island position adjustment and relocation.
Owner:QINGDAO YIGAO LINTONG FOREST RES & DEV CO LTD
Gravity retaining wall for river landscape
ActiveCN224281360Uavoid scourImprove overturning stabilityArtificial islandsSelf-acting watering devicesRiver routingRiver management
This utility model relates to the field of river management engineering technology, specifically to a gravity retaining wall for river landscape. It includes a base slab and a wall body. The water-facing side of the base slab is equipped with a toothed wall and pre-embedded U-shaped steel bars, connected to gabion cages by steel wire ropes to resist erosion. Pre-embedded stones on the top surface of the base slab enhance its interlocking with the wall body. The water-facing side of the wall body is faced with pebbles to enhance its aesthetics, and a planting groove is provided at the top for planting greenery. The wall body has a built-in dual drainage system: a first drainage pipe directs water from behind the wall into the planting groove for irrigation, and a second drainage pipe is dedicated to pressure relief drainage; both have a slope of 5%. This utility model integrates flood control, landscape, and ecological functions, solving the problems of poor water affinity and insufficient erosion resistance of traditional retaining walls.
Owner:ANHUI SURVEY & DESIGN INST OF WATER CONSERVANCY & HYDROPOWER
A riverbank purification barrier for river management
This utility model discloses a riverbank purification barrier for river management, comprising a main body of the embankment, a guide slope on the front side of the main body of the embankment, and multiple fixed seats uniformly fixedly connected to the guide slope. The fixed seats are configured in a V-shape, and two water-blocking mesh grooves are symmetrically installed on the fixed seats. Each of the two water-blocking mesh grooves is connected to a pushing mechanism. Multiple inclined slots are uniformly arranged on the fixed seats, and the multiple inclined slots are inclined downwards on the side away from the center surface of the fixed seats. Multiple inclined plates are fixedly connected to each of the two water-blocking mesh grooves, and the multiple inclined plates are respectively inserted into the interior of the multiple inclined slots. A collection box is set in the middle position of the two water-blocking mesh grooves, and a middle plate is set on the collection box. A middle slot is set in the middle position of the fixed seats, and the middle plate is inserted into the interior of the middle slot, which facilitates the disassembly and replacement of the water-blocking mesh grooves.
Owner:天津市津水建筑工程有限公司
River self-adaptive dredging system and method based on water level intelligent sensing
The present application relates to the technical field of river dredging, and especially discloses a river self-adaptive dredging system and method based on water level intelligent sensing, which is executed by a central control unit and comprises four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, accurate survey and operation planning, closed-loop execution and model synchronization; the system comprises a central control unit, a water level intelligent sensing array, a terrain scanning device and a dredging machine; the present application dynamically determines the siltation state by constructing a three-dimensional digital riverbed model in combination with water level sensing data, generates an accurate dredging operation scheme, and realizes closed-loop control of the operation; the present application takes into account the dredging needs of navigable and ecological rivers, improves the accuracy and automation level of dredging, reduces the operation cost, promotes the intelligent transformation of river management, and provides an efficient solution for long-term river management.
Owner:FUJIAN UNIV OF TECH ENG DESIGN CO LTD +2
Drainage basin urban water system multivariate spatio-temporal data integration and topology analysis method based on graph database
PendingCN122019680AData processing applicationsGeneral water supply conservationRelational databaseSource Data Verification
The invention provides a watershed urban water system multivariate spatio-temporal data integration and topology analysis method based on a graph database. The watershed urban water system multivariate spatio-temporal data integration and topology analysis method comprises the steps of multivariate data integration, graph database construction, multi-source data hooking and topology analysis and data verification. Integrating meteorological monitoring, river pipe network monitoring, water supply and other multivariate data, and constructing a distributed database through space-time alignment and deep fusion; pipe network GIS data is converted into a graph database model, nodes represent entities such as inspection wells, and edges represent connection relations such as pipelines; the drainage partition and monitoring equipment data are hooked through the joint index to form a complete data network; and running a quality balance algorithm to verify the data, and outputting a pipe network health report. The method solves the problems of data islands, poor relevance and low topological analysis efficiency of a traditional relational database, supports efficient query of complex topological relations, is high in data fusion and verification capability, is suitable for urban drainage network, river management and comprehensive water environment treatment, and effectively improves the implementation effect of a large water environment treatment project.
Owner:CHINA THREE GORGES CORPORATION +1
Multi-source perception intelligent closed-loop water quality restoration system and control method thereof
The present application relates to the technical field of water quality restoration, and more particularly to a multi-source sensing intelligent closed-loop water quality restoration system and a control method thereof, which is suitable for river management, landscape water maintenance, industrial wastewater treatment and the like, and is particularly suitable for small and medium-sized water body restoration projects that need to dynamically respond to water quality changes. By means of multi-channel online monitoring, physicochemical index data and model organism activity data are obtained, combined with artificial sampling data, an evaluation model is used to comprehensively evaluate the water quality and grade the abnormality level; and according to the abnormality level, a graded restoration program is automatically triggered, and automatic backflow, automatic sample reservation and remote alarm are simultaneously executed, so as to realize closed-loop, accurate and efficient restoration of water quality and whole-process traceable management, improve restoration efficiency and reliability, and reduce the frequency of manual intervention.
Owner:ZHEJIANG TONGJI VOCATIONAL COLLEGE OF SCI & TECH
Microbial colonization membrane assembly for river regulation
PendingCN121449226AWater treatment parameter controlBioreactor/fermenter combinationsBiotechnologyRiver management
The invention discloses a microorganism colonization membrane assembly for river regulation, and relates to the technical field of river regulation, the microorganism colonization membrane assembly comprises a mounting box with an opening at the upper end, two partition plates are fixedly mounted in the mounting box at intervals, and the two partition plates sequentially divide the mounting box into a microorganism enrichment area, a metabolism diffusion area and a fluid exchange area from front to back; the three regions are respectively filled with a microorganism colonization membrane, a fluid flow guide membrane and a honeycomb membrane, and the side wall of one side, far away from the partition plates, of the microorganism enrichment region and the two partition plates are respectively provided with water permeable holes through which water flows to pass; the surface of the microbial colonization membrane is provided with nano-scale villus-shaped secondary ripples. According to the microorganism colonization membrane assembly for river regulation, through cooperation of the biological anchor points and the chemotactic factor coating, the microorganism attachment efficiency (the survival rate is increased by 40% or above) and the impact load resistance are remarkably improved, and the problems that in traditional biological remediation, microorganism colonization is difficult, and activity is low are solved.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
A river side slope reinforcing structure and a construction method
This invention provides a riverbank slope reinforcement structure and construction method, relating to the field of river management and ecological engineering technology. The riverbank slope reinforcement structure includes multiple inverted trapezoidal frames, horizontal connecting beams, and a base of coarse sand and gravel and clay. The multiple inverted trapezoidal frames are arranged at equal intervals along the length of the river. Each inverted trapezoidal frame includes a base plate, two side walls, and a top plate. The horizontal connecting beams connect the multiple inverted trapezoidal frames sequentially, forming a vegetation planting area on both sides of the riverbank slope between the multiple inverted trapezoidal frames and the horizontal connecting beams. A coarse sand and gravel backfill structure is set between the base plates of two adjacent frames, and a clay layer fills the bottom of the river and the two sides of the riverbank slope. This riverbank slope reinforcement structure can ensure the stability of the riverbank slope reinforcement structure while reducing engineering costs; on the other hand, it can effectively green the riverbank environment and significantly improve the ecological landscape effect of the river.
Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
High-efficiency flood prevention and water storage structure of bionic beaver "dam structure"
This invention discloses a biomimetic beaver dam structure for efficient flood control and water storage, belonging to the field of water conservancy engineering and disaster prevention technology. The structure mimics the tree-like interweaving and soil-filling mechanism of a beaver dam, achieving adaptive flood control, efficient water storage, and eco-friendliness. This invention achieves precise control of water storage performance through a water storage capacity calculation formula, making it suitable for small reservoirs, river management, flood control projects, and ecological restoration, solving the problems of high cost, ecological damage, and poor adaptability of traditional dams.
Owner:于世平
Riverway management ecological floating island device
This utility model relates to an ecological floating island device for river management, comprising: several floating plates and a limiting component; each floating plate has a cultivation trough for placing cultivation baskets, one end of which has a snap-fit part along a first direction, and the other end has a connecting part that snaps into the snap-fit part; the limiting component includes a locking rod and an adjusting member connected thereto, the adjusting member being installed in the mounting cavity of the floating plate, the locking rod passing through the snap-fit part, and the connecting part having a corresponding locking groove; when the adjusting member slides along the first direction, it drives the locking rod to move along a second direction perpendicular to it, realizing the snap-fit or separation of the locking rod and the locking groove. This utility model, by setting the cooperation between the snap-fit part and the connecting part, combined with the cooperation between the locking rod and the locking groove in the limiting component, enables the floating plates to be quickly spliced and separated without tools, improving installation efficiency and maintenance convenience. Furthermore, it avoids thread damage caused by frequent disassembly and assembly of traditional fasteners such as bolts, thereby extending service life.
Owner:CHONGQING CHANGJIANG SURVEY & DESIGN INST CO LTD
Application of multifunctional slow-release microspheres cooperatively constructed based on double peroxides in water treatment
The invention relates to a preparation method of a sustained-release microsphere, which is constructed based on the synergistic combination of calcium peroxide (CaO2) and magnesium peroxide (MgO2), is used for consolidating the river regulation effect, and belongs to the technical field of environmental functional materials. Core components of the microspheres comprise CaO2 powder and MgO2 powder which are mixed according to the mass ratio of (4: 1)-(1: 1). The preparation method comprises the following steps: adding CaO2 and MgO2 composite powder into a disc granulator in batches by adopting a low-temperature dry-method rotary granulation process, regulating the rotating speed (20-40 rpm) and the temperature (25-50 DEG C) in stages, synchronously spraying a small amount of deionized water or other solutions as an adhesive, and controlling the humidity to be less than or equal to 5% to prepare spherical particles with the particle size of 1.5-5 mm. According to the invention, the performance of a common CaO2 repairing agent is further optimized on the basis of the common CaO2 repairing agent. The method has the advantages of easily available raw materials, simple process, convenience in operation and low energy consumption, is suitable for the fields of water body remediation and bottom mud passivation, and has industrial popularization value.
Owner:TONGJI UNIV
Water purifying material delivery device for river management
The utility model discloses a water purification material feeding device for river management relates to the technical field of river management equipment, including storage tank, guide material mechanism and feeding mechanism, and guide material mechanism includes guide material cylinder, pivot and guide material blade, and guide material cylinder is linked with storage tank, and pivot rotationally arranged in the guide material cylinder, and guide material blade fixedly arranged at the outside of pivot, and feeding mechanism includes guide rail, sliding support, feeding pipe, detection component, adjusting assembly and control terminal, and guide rail is fixedly connected with guide material cylinder, and sliding support is slidably connected with guide rail, and one end of feeding pipe is linked with the other end of guide material cylinder, and the other end of feeding pipe is fixedly connected with sliding support, and through the cooperation of detection component, adjusting assembly and control terminal, realize the dynamic regulation of the height of feeding port with the water level change, ensure that the medicament always forms effective concentration on the water surface and the surface layer of water body, improve the feeding accuracy, make full use of the wind and the water flow to promote the medicament to act on the algal dense area, and strengthen the management effect.
Owner:HEFEI AXENT TECHNOLOGY CO LTD
Floating riverway treatment device
1. The name of the design product: floating river management device. 2. The use of the design product: the design product is used for organic wastewater treatment, and the ultrasonic wave management is controlled by artificial remote control in the river water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:WUHAN ZHIYUE WATER ECOLOGICAL TECH CO LTD
Nano-ceramic membrane oxygenated bioreactor for river management and its application method
PendingCN122126971AWater/sewage treatmentTreatment with aerobic and anaerobic processesRiver managementNanoceramic
This invention discloses a nano-ceramic membrane oxygenated bioreactor for river management and its usage method. The device includes a base on which a basket filter and a bioreactor are respectively mounted. The basket filter performs primary filtration of river water and then transports the filtered water to the bioreactor. A nano-ceramic membrane element is installed inside the bioreactor to adsorb pollutants and degrade COD and ammonia nitrogen pollutants under anaerobic, facultative, and aerobic environments. This invention can efficiently enrich microorganisms, significantly improving pollutant removal rates; the process operates stably and is highly adaptable to changes in water quantity and quality; it reduces energy consumption and operating costs; and it simplifies installation and maintenance procedures. It provides an efficient, economical, environmentally friendly, and easily scalable solution for river water management.
Owner:SUTRON (JIANGSU) ENVIRONMENTAL TECHNOLOGY CO LTD
A riverway monitoring system and method based on unmanned aerial vehicle aerial image
ActiveCN120368935BCharacter and pattern recognitionPicture taking arrangementsEvaluation resultRiver routing
This invention relates to the field of river management technology, specifically to a river monitoring system and method based on UAV aerial imagery, comprising: an upload module for uploading river distribution parameters and constructing a river distribution model based on these parameters; a selection module for traversing the river distribution model and selecting aerial photography points within it; and a sensing module for real-time sensing of solar pose information. In the process of acquiring river images based on aerial photography points, this invention ensures that the aerial photography point, the location information of the aerial photography equipment itself, and the position coordinates of the sun relative to the UAV aerial photography equipment are collinear. This guarantees, to the greatest extent possible, that there is no light reflection in the river images during the acquisition process, resulting in more reliable evaluation results when the acquired river images are used for river health assessment.
Owner:WUHAN YUHUIHONG TECH CO LTD
Modular ecological revetment structure for river regulation
This utility model relates to the field of ecological water conservancy engineering technology and discloses a modular ecological revetment structure for river management, including a first revetment layer, a first ecological trough attached to the upper surface of the first revetment layer, a second revetment layer fixedly installed on the upper surface of the first revetment layer, a second ecological trough attached to the upper surface of the second revetment layer, a third revetment layer fixedly installed on the upper surface of the second revetment layer, a third ecological trough attached to the upper surface of the third revetment layer, a riverbank on the upper surface of the third revetment layer, and a guardrail mechanism attached to the upper surface of the riverbank. By planting different aquatic plants in the first, second, and third planting troughs, the biodiversity of the riverbank is increased, and the riverbank ecosystem is protected. Simultaneously, limiting blocks can be used to tightly press the filter plate against the soil layer, holding down the aquatic plants and preventing newly planted aquatic plants from being washed away by the water flow and falling out of the planting trough, thus affecting the survival rate.
Owner:POWER CHINA KUNMING ENG CORP LTD
Ecological reinforcing composition for river levee and lake levee and construction method of ecological reinforcing composition
PendingCN121974645AStrengthen flood resistanceStrengthen the ability to clean and washCement productionMarine site engineeringRiver routingRiver management
The invention relates to the technical field of river regulation, discloses an ecological reinforcing composition for river levees and lake levees and a construction method of the ecological reinforcing composition, and aims to solve the problems that traditional river levees and lake levees depend on riprap / piling, the anti-impact stability is weak, the consumption amount of industrial and mining solid waste is low, and ecological damage is caused. According to the invention, a cement-free flow state system is formed by taking multiple industrial and mining solid wastes as a core functional component, matching with an in-situ embankment soil material as an aggregate and combining with a geopolymer activator and an ecological regulator; during construction, double-row drilling-layered pouring is performed along a river embankment / lake embankment base, and an integrated structure of a deep embedded embankment foundation stable layer and a surface layer anti-impact ecological barrier is formed after solidification. The method is high in anti-impact capacity and good in ecological compatibility, industrial and mining solid waste is consumed in a high proportion, solid waste stockpiling pollution is greatly reduced, the flood and washing resisting capacity of an embankment foundation is enhanced, and the problems of ecological damage and high cost of a traditional technology are solved.
Owner:BEIJING JUJU NEW MATERIALS CO LTD
River terrain generation method and device based on coherent difference principle
The invention is suitable for the field of water conservancy projects, and discloses a method and a device for generating river topography based on a coherent difference principle, and the method comprises the steps: collecting the L1A-level data of a Gaofen-7 satellite of a river, and carrying out the preprocessing of the data; carrying out optimization processing on stereoscopic image pair data in L1A-level data of the Gaofen-7 satellite of the river channel, and generating initial DSM data of the terrain of the river channel; determining phase information of the river topography by combining initial DSM data of the river topography and an InSAR technology based on the same-period river SAR image data; and converting the phase information of the river topography into elevation information of the river topography, and correcting the elevation information of the river topography in combination with the ground control point to obtain target DSM data of the river topography. According to the method, after two-orbit method InSAR data is introduced for interference analysis, the characteristic of terrain deformation consistency can be effectively identified, the data processing efficiency is improved, the accuracy and reliability of the model are enhanced, and important technical support is provided for river treatment, ecological environment protection and the like.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
River flood risk dynamic assessment and unmanned precise dredging equipment and method
PendingCN122175385AData processing applicationsControllers with particular characteristicsTerrainRiver routing
This invention discloses a dynamic assessment device and method for river flood risk and unmanned precision dredging, relating to the field of water conservancy and river management technology. The device includes: an unmanned high-frequency mapping unit, an intelligent analysis and decision-making unit, an unmanned precision dredging unit, and an on-shore sludge treatment and disposal unit. Each unit is bidirectionally connected to the intelligent analysis and decision-making unit. The unmanned high-frequency mapping unit is a lightweight unmanned surface vessel (USV) equipped with a multibeam echo sounder and other equipment to collect terrain data and construct models. The intelligent analysis and decision-making unit is deployed on-shore or in the cloud, processing data and issuing dredging commands. The unmanned precision dredging unit is a dynamically positioned USV integrating variable depth suction and other mechanisms. The on-shore sludge treatment and disposal unit receives and processes dredged sludge through a sealed structure. This invention features a multi-architecture compatible hardware layout and a dual-threshold PID precision dredging process, achieving centimeter-level depth control and closed-loop sludge transport, protecting the original riverbed soil layer, reducing energy consumption and management investment, and stabilizing the river's flood discharge capacity.
Owner:FUJIAN PROVINCIAL INVESTIGATION DESIGN & RES INST OF WATER CONSERVANCY & HYDROPOWER
Underwater mold bag putting detection system
The invention relates to the technical field of river regulation, in particular to an underwater mold bag putting detection system which comprises an acquisition unit, a deviation judgment unit, a candidate determination unit, a type determination unit, a first adjustment unit and a second adjustment unit. According to the invention, by constructing a mold bag putting detection system integrated with multi-source underwater sensing data, accurate monitoring and dynamic correction of the whole process of mold bag sinking are realized, and joint analysis is carried out on multi-dimensional features of abnormal candidate areas; in combination with the aggregation degree of the abnormal area, the time distribution rule of the deviation result and the proportion relation of various types of abnormities, the putting track, the sinking deviation threshold value and the type judgment threshold value can be automatically adjusted, so that the track planning and abnormity recognition model can continuously adapt to the disturbance characteristics of the current underwater construction environment; the problem that the continuous and real-time monitoring of the sinking process of the mold bag cannot be realized due to dependence on a buoy and a mechanical device is effectively solved.
Owner:BEIJING URBAN CONSTR GROUP
A type of cofferdam for river management projects
This utility model relates to a cofferdam for river management projects, comprising two Larssen piles driven into the bottom layers of silt, loam, and clay in sequence. Each Larssen pile has a top beam welded to its upper outer side, and the top beams are connected and fixed by steel reinforcement rods. Upstream of the Larssen piles, above the silt layer, is a ballast rock, and downstream, above the silt layer, is a ballast bag filled with soil. The entire interior section of both Larssen piles is filled with soil bags. The inner side of the Larssen piles is covered with tarpaulin along its height. A beam support plate is welded to the lower part of the top beam on the outer side of the Larssen piles. This utility model has a simple structure and, through the steel reinforcement rods, ballast rock, ballast bagged soil, and soil bags, can comprehensively ensure the overall stability of the cofferdam, improving its strength and performance.
Owner:天津港湾港口建设工程有限公司
River channel inspection system and method based on linkage operation of unmanned aerial vehicle and unmanned ship
PendingCN121386896AVehicle position/course/altitude controlPosition/direction controlRiver routingRiver management
The invention provides a riverway inspection system and method based on linkage operation of an unmanned aerial vehicle and an unmanned ship, the system comprises a system hardware layer and a system service layer, the system hardware layer comprises a first communication transmission system and a second communication transmission system, the first communication transmission system is used for carrying out image acquisition on a target riverway through the unmanned aerial vehicle, and the second communication transmission system is used for carrying out image acquisition on the target riverway; obtaining target image information and target geographic position information corresponding to the target river channel, and sending the target image information and the target geographic position information to a system service layer; the system service layer is used for inputting the target image information into a pollutant detection model to obtain a pollutant identification result; according to the pollutant identification result and the target geographic position information, generating a corresponding polluted area inspection instruction; and the second communication transmission system is used for driving the unmanned ship to execute a corresponding inspection operation task to the polluted area in the target river channel based on the received polluted area inspection instruction. The river management efficiency is effectively improved.
Owner:JIAOTONG AVIATION TECHNOLOGY (SHENZHEN) CO LTD