328 results about "Siltation" patented technology

The invention relates to the technical field of reservoir dam safety monitoring, and discloses a reservoir dam siltation dynamic monitoring and early warning system. Multi-dimensional sensing node arrays of the system are arranged at key positions of a dam body structure and a reservoir area, and sediment thickness distribution data, water flow velocity field data and sediment concentration gradient data are synchronously collected. And the edge computing node receives the original monitoring data, executes data cleaning and space-time alignment processing, and generates a standardized siltation feature data set. And the cloud analysis platform receives the data set, calculates a deposition evolution trend matrix through a space-time coupling prediction model, and outputs a reservoir area deposition risk level distribution map. And the dynamic visualization engine analyzes the risk level distribution map, generates a three-dimensional dynamic deposition situation model, and marks the space coordinates of the abnormal deposition area. And the early warning decision center generates a graded early warning instruction set according to the space coordinates of the abnormal region, and triggers a corresponding emergency response strategy.

The invention relates to the technical field of coast engineering, in particular to an estuary sandy coast erosion and deposition simulation system based on the coupling effect of flood peak runoff, waves and tide, which comprises a training data generation module, an intelligent agent model construction module, a dynamic prediction engine module and a scene evaluation module. The training data generation module is used for outputting a hydrodynamic state field, a wave characteristic field, a bed surface shear stress field and a bed surface elevation variable quantity by utilizing a traditional numerical model to construct a training data set; the intelligent agent model building module is based on a deep learning network and introduces physical constraint loss function training to obtain an intelligent agent model; the dynamic prediction engine module loads the trained deep learning network to realize bed surface elevation variation prediction and update terrain boundary conditions; and the scene evaluation module executes erosion and deposition evolution simulation according to different hydrological boundary condition combinations and extracts terrain evolution data to quantitatively evaluate the coast stability and the channel deposition risk. The invention relates to the field of estuary dynamic landform simulation and coast engineering.

The invention relates to a quick mountain torrent disaster risk assessment method and system based on multi-source data fusion. The method comprises the following steps: performing space-time registration on multi-source data, constructing a dynamic factor matrix and a static geological parameter matrix, and calculating soil saturation; on the basis of the dynamic factor matrix, removing redundant factors, analyzing and generating a weight vector through an entropy method, on the basis of the effective factor set, the static geological parameter matrix and the soil saturation, correcting the rock-soil shear strength by quantifying the sediment deposition effect, obtaining the corrected rock-soil shear strength, and calculating the slope safety coefficient; and according to the coefficient, the effective factor set and the weight vector, generating a risk membership degree vector through fuzzy evaluation, calculating a risk feature value, identifying a disaster dominant type, and constructing a risk map. According to the method, through multi-source data space-time registration, redundant factor elimination, sediment deposition effect quantitative correction and the like, the efficiency and precision of mountain torrent disaster risk assessment are improved, and the support of an assessment result on disaster prevention and reduction decisions is enhanced.

The invention discloses a Yellow River water conservancy project real-time monitoring system based on edge computing, and particularly relates to the technical field of cloud computing. The system constructs a flow state characteristic interval by collecting water and sediment data; loading an algorithm component based on flow state characteristics, and changing a master control pointer by using atomization operation to realize calculation power logic hot switching; analyzing a difference value between the instantaneous torque of the motor and the no-load reference to obtain a sediment deposition resistance torque; mapping the resistance moment to a digital shadow table to extract a gain compensation parameter; and resetting controller parameters and modulating the pulse width signal according to the compensation coefficient, and outputting a driving voltage to control the gate. Through the edge end algorithm hot switching technology, the problems that a traditional system is difficult to adapt to the variable water and sediment working conditions of the Yellow River and logic updating shutdown are solved, and monitoring continuity is guaranteed. The defect of power mismatching of a single driving mode is overcome, motor overload and mechanical jamming are prevented, gate control accuracy and operation stability are greatly improved, and the service life of equipment is greatly prolonged.

The invention provides a river sediment physical habitat evolution identification method, device and system and a medium. The method comprises the following steps: acquiring a multi-temporal remote sensing image and hydrological data (flow Q, water level Zw and slope S), screening and other hydrological condition image pairs; extracting a water surface range, and calculating the average width B of the main groove; deducing the average water depth h by using a Manning formula, and calculating the riverbed elevation zbed by combining the Zw; the difference value delta zbed of zbed in different periods is calculated, and the substrate state is judged according to the difference value delta zbed and a threshold value epsilon; and performing segment processing along the center line to output a spatial distribution result. On-site measurement is not needed by relying on conventional data, and consumption is reduced; water level interference is eliminated through equal hydrological condition matching, and comparability is ensured; water depth inversion and differential analysis directly reflect scour deposition and quantitatively reveal rules; long-distance automatic processing improves space-time coverage capability and precision, and provides a basis for river regulation, ecological restoration and drainage basin management.

The invention relates to the technical field of underwater topographic surveying and mapping, in particular to a sea area water taking channel scanning survey method and system based on multi-beam measurement, and the method comprises the following steps: constructing a rigid support, fixing a depth finder through a three-way cable fastening device, and building a Boolean parameter model; sound velocity, tide level and original echo data are collected; performing space-time registration, coordinate conversion and filtering denoising on the data to generate corrected water depth; and constructing an irregular triangulation network by using hard boundary constraint, generating a digital elevation model, and extracting a siltation area. According to the invention, multi-beam wide sector scanning and multi-sensor attitude correction technologies are fused, a limited water area full-coverage measurement system is constructed, and the problems of terrain blind areas and detail loss are solved. A boundary constraint reconstruction algorithm is utilized to realize closed-loop processing from coordinate reference unification to micro-landform restoration, the accuracy of channel bottom pit capture and edge topography expression is improved, and data support is provided for sedimentation analysis.

The utility model relates to a sampler for back-silting detection of a foundation trench of a pre-laid immersed tube tunnel, which belongs to the technical field of back-silting detection of foundation trenches of immersed tube tunnels and comprises a sampling tube, a sealing diaphragm and a sealing lifting lead. Wherein the sampling tube is used for accommodating a foundation trench back-silting sample, an opening is formed in the bottom of the sampling tube, and a bracket is fixed at the top; the sealing diaphragm is arranged at the bottom of the sampling tube and used for sealing the opening after sampling; one end of the sealing lifting wire is connected with the sealing diaphragm through the bottom of the sampling tube, the other end of the sealing lifting wire is controlled by a worker, and when the sealing lifting wire is controlled to be pulled upwards, the sealing lifting wire pulls the sealing diaphragm to move and seal the opening. According to the sampler, the opening is formed in the bottom of the sampling tube and is sealed by the sealing diaphragm, so that accurate acquisition of a back-silting sample is ensured; and through the arrangement of the sealing lifting lead wire, an operator can easily control opening and closing of the sealing diaphragm, and the operation difficulty and cost are reduced.

The invention discloses an analysis method and system for reservoir group sediment collaborative scheduling and space-time simulation. The method is based on a water-sediment coupling simulation model integrated based on collaborative desilting schemes: setting a simulation scene, and setting a collaborative scheduling scheme combination; executing long-series dynamic simulation, and simulating the dynamic response of the reservoir group under the combined action of the water and sediment input and the scheduling scheme; outputting a time sequence result, a spatial distribution result and a morphological evolution animation; defining a multi-objective optimization function, automatically adjusting key parameters in the scheduling scheme by adopting a multi-objective optimization algorithm, and searching a Pareto optimal solution set; and based on the Pareto optimal solution set, selecting a final scheduling scheme according to a preset decision, and outputting a specific scheduling instruction. According to the method, the space-time evolution and the desilting benefit of the siltation form under different scheduling schemes are accurately quantified, the method has engineering feasibility and can be suitable for collaborative desilting, reservoir capacity maintenance and comprehensive benefit improvement of cascade reservoirs, the engineering life is prolonged, and regulation and control of water and sediment in a drainage basin are optimized.

The invention provides a reservoir sediment modeling method based on multi-time-sequence multi-beam sounding point cloud data, and relates to the field of reservoir sediment monitoring and modeling, and the method comprises the steps: constructing a reservoir area space grid skeleton model, and collecting multi-time-sequence multi-beam point cloud data and corresponding hydrological auxiliary data; performing space division by adopting an adaptive tile subdivision method, generating multi-level point cloud tiles by adopting a feature point downsampling method, and establishing a three-dimensional composite index; the indexed multi-level point cloud tile set is processed through an anisotropic ICP registration method, and a point cloud tile set of multi-time-sequence registration is obtained; establishing an initial triangulated irregular network sediment model, carrying out differentiated partitioning by utilizing historical hydrological auxiliary data, and carrying out dynamic updating based on a partitioning state to obtain a dynamic reservoir sediment model; and S5, calculating to obtain deposition parameters, and mapping the deposition by adopting a three-dimensional engine to obtain an interactive three-dimensional dynamic deposition situation map. According to the invention, high-precision dynamic visualization of the reservoir sediment deposition process is realized.

The invention discloses a method and system for predicting the scouring trend of a full-hall long-piled wharf, and belongs to the field of port engineering monitoring. The method comprises the following steps: firstly, constructing an embedded ultrasonic array monitoring system, arranging probes according to regions to realize accurate deployment and control, and synchronously acquiring acoustic data and environmental parameters; noise reduction, inversion and fusion processing are carried out on the data, and normal deposition fluctuation and abnormal scouring events are distinguished by combining shallow water acoustic modeling and a scouring mechanism recognition algorithm; and finally, predicting the current siltation state through an improved DWMA model, predicting the scouring trend by means of an improved LSTM physical hybrid model, and realizing risk visualization based on a grading early warning mechanism. The system can adapt to the dense pile foundation environment of the full-space high-pile wharf, effectively solves the problems of large blind area and high error in traditional monitoring, remarkably improves the monitoring precision and early warning timeliness, and provides powerful support for safe operation and maintenance of the wharf.

The invention relates to the field of water intake of water conservancy projects, and discloses a hydraulic automatic desilting bottom barrier water intake which comprises a desilting module, a water inlet module and an anti-scour module. The sand discharging module comprises a primary sand flushing part and a secondary sand flushing part. The primary sand flushing part comprises a sand guide ridge, a sand flushing weir, a sand flushing flow channel, a side wall and a partition wall. The secondary sand flushing part comprises a sand blocking ridge, a stone blocking grid, a sand discharging gate, a sand discharging gallery, a sand flushing gate and a sand flushing gallery. The sand guide ridge assembly is composed of a plurality of sand guide ridges, the arrangement mode of the sand guide ridge assembly is that the upstream opening size is small, the downstream opening size is large, and the sand guide ridge assembly is arranged on the upstream of the water taking opening. A gravel flow channel is formed between the sand guiding ridge assemblies and is wide in the upstream and narrow in the downstream. A communicating channel is arranged between the lowest points of the gravel flow channels. Sand can be intercepted on the upstream, sand is automatically flushed through hydraulic power and discharged to the downstream, and the situation that a large amount of sand enters the downstream along with water flow to deposit and block the grating is avoided.

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.

The invention provides a BP neural network-based slurry conveying pipeline siltation critical flow velocity prediction method, and relates to the technical field of fluid conveying. Comprising the following steps: S1, determining four items of conveying pipe diameter, particle size, solid material density and volume fraction as main factors influencing the flow velocity change of the slurry conveying pipeline; s2, introducing a Mixup algorithm to perform enhancement processing on the original data; s3, in the process of predicting the sedimentation critical flow velocity of the slurry conveying pipeline, introducing a BP neural network, constructing an intelligent prediction model, and continuously learning, mining and expanding rule features contained in data; s4, deducing a more accurate flow velocity predicted value by using a grey correlation analysis algorithm when the sedimentation critical flow velocity of the slurry conveying pipeline is predicted by depending on the BP neural network model; according to the method, accurate prediction of the deposition critical flow velocity is realized, a powerful guarantee is provided for safe operation and efficiency improvement of the slurry conveying pipeline, and the method has important significance for guaranteeing safe operation of the slurry conveying pipeline.

The invention discloses a lake-entering estuary wetland system. The sewage treatment device sequentially comprises a water inlet unit, a speed reduction and siltation promotion area, a deep turbidity reduction area, an enhanced purification area, a water quality stabilization area and a water outlet unit in the water flow direction, the lake-entering estuary wetland system is separated from the lake through an embankment; the water inlet unit comprises a wetland water inlet gate and a flood discharge gate. Aiming at the special hydrology and water quality conditions of the estuary entering the lake, the invention solves the problems of low plant survival rate, easy system blockage, unstable purification efficiency and the like in the existing constructed wetland system.

This disclosure relates to an underground water purification system for preventing siltation and a method for purifying and storing mine water. The system includes: an underground suspended solids purification section and an underground water reservoir; the water outlet of the underground suspended solids purification section is in fluid communication with the water inlet of the underground water reservoir; a filter adsorption material is installed in the underground suspended solids purification section; the underground water reservoir includes a closed space for self-purification of the water, and the closed space contains collapsed rock masses from a mined-out area. The system of this disclosure effectively purifies and stores mine water, and the underground water reservoir has a long service life.

This invention relates to a method for constructing a biodegradable mangrove ecological island based on dynamic tidal energy regulation, and an artificial island siltation device. The artificial island siltation device includes a bamboo gate system, a hemp rope net system, a fixed pile system, and a limiting system. A dynamic filtration structure is formed by the liftable bamboo gate and the hemp rope net. Utilizing the buoyancy difference and water flow velocity changes generated by tidal rise and fall, a synergistic effect is achieved: accelerating the passage of sediment-laden water during high tide and promoting siltation during low tide. A fully biodegradable material is used to construct a growing silt body. The buoyancy balance is regulated by the bamboo joint holes, ensuring the device remains suspended on the surface layer of the silt body. This allows for continuous siltation and elevation of the tidal flat, forming an artificial island that provides a site for mangrove seedling planting and meets the required daily sunrise duration for mangrove growth. The method and device of this invention have technical advantages such as low construction cost, dynamic adaptation to tidal changes, and avoidance of secondary pollution.

The invention relates to the technical field of municipal drainage, and discloses a drainage pipe network sampling and multi-parameter measuring method and device. According to the drainage pipe network sampling and multi-parameter measuring method provided by the invention, through cooperative control, mode switching and a multi-position ultrasonic geometric measurement algorithm, the target of simultaneously and accurately obtaining three key parameters of the pipe diameter, the liquid level and the deposition depth of the drainage pipe network through one-time operation in one integrated device is achieved. Specifically, during use, according to the liquid level height fed back in real time, a low water level mode or a high-full water level mode is selected, a corresponding air ultrasonic sensor or underwater ultrasonic sensor is started, reliable measurement is carried out under common different water level conditions of a drainage pipe network, and then ultrasonic sensing parameters of the left, right, upper and lower positions are obtained in real time, so that the water level of the drainage pipe network is accurately measured. The chord length and the chord distance are directly calculated, a pipe diameter equation in a corresponding mode is established, the liquid level height and the deposition depth are indirectly calculated after the radius of the pipeline is solved, and the time for preparing, laying and switching multiple devices is saved.

The present application relates to a kind of shunt sponge city rainwater collection devices, device includes sedimentation equipment and filter equipment, sedimentation equipment includes sedimentation tank, shunt filter tank and shunt component, sedimentation tank is connected to shunt filter tank by shunt channel, shunt filter tank bottom is equipped with several matrix arrangement filter mouth;Filter equipment includes being arranged in support frame and filter component, filter component is formed by multiple filter units corresponding with the position of filter mouth, filter unit includes filter disc, barrel and is equipped in discharge pipe, filter disc includes the ball cover of multiple water inlets and is equipped in the connecting ring below ball cover;Support frame includes the upper plate surface corresponding with each row of filter units, upper plate surface upper surface both sides are equipped with accumulation groove;The two sides of upper plate surface are equipped with frame body, frame body is equipped with the push rod mechanism that can be moved longitudinally.The present application equipment can realize quick sedimentation shunt and filter clean water, while automatically cleaning the sundries accumulated in equipment, cleaning and maintenance are convenient.

The invention discloses a self-dredging system and method for a sand blocking ridge, and the system comprises a sand pump which is disposed on the upstream side of the sand blocking ridge and is used for providing suction power; the embedded pipeline system comprises a sand suction main pipe communicated with an inlet of the sand pump and at least one sand suction branch pipe; the cutting head is arranged at the front end of the sand suction branch pipe and is used for crushing deposited silt; the silt treatment system is communicated with an outlet of the sand pump and is used for carrying out solid-liquid separation and dehydration treatment on the sucked silt-water mixture; the monitoring system comprises a deposition thickness sensor for detecting the deposition thickness in front of the ridge; and the control system is in signal connection with the monitoring system and the sand pump and is configured to receive a signal of the deposition thickness sensor and automatically start the sand pump when the deposition thickness exceeds a preset threshold value.

The invention discloses an opening method of a desilting bottom hole gate, which is realized through a gate body with a silt flushing function, the desilting bottom hole gate comprises a silt flushing pipeline arranged in the gate body, an inlet of the silt flushing pipeline is connected with a high-pressure water supply device on the outer side of the gate body, and an outlet of the silt flushing pipeline is arranged on an upstream face and a downstream face of the gate body. A check ring fixedly connected with the inner wall of the pipeline is arranged at an outlet of each silt flushing pipeline, and a fixing plate and a one-way opening fender are arranged on the outlet side of each check ring. The opening method comprises the steps that firstly, the high-pressure water supply device is started, the fender is opened under the action of the water flow pressure of an outlet of the silt flushing pipeline, silt deposited near the gate body is flushed away through silt flushing water flow, meanwhile, the deposited silt is disturbed, and after the opening resistance of the gate body is reduced, the gate body is opened. The operation mode that silt is flushed first and then the gate is opened is adopted, the gate opening force of the gate is reduced, the gate can be normally opened, silt in front of the gate is discharged to the downstream of a reservoir in time, and silt in a reservoir area is removed.

The present application relates to the technical field of geomorphology prediction, in particular to a tidal flat evolution prediction method and system based on a geomorphology model. The method comprises the following steps: obtaining geomorphology data, environmental parameter data and biological membrane characteristic data of a target tidal flat area; the geomorphology data comprises water depth distribution and sediment porosity; the environmental parameter data comprises tidal current velocity, fluid shear force, light intensity and water temperature; the biological membrane characteristic data comprises biological membrane thickness obtained by in-situ sampling; a biological membrane dynamic viscosity coefficient model is constructed based on the biological membrane thickness and the water temperature; the dynamic viscosity coefficient model represents a nonlinear enhancement effect of the biological membrane on sediment viscosity; a biological membrane growth rate feedback model is established based on the water depth distribution and the light intensity; the feedback model quantifies the coupling relationship between biological membrane growth in a deposition area and microtopographic factors; the present application can solve the problem of inaccurate evolution prediction under dynamic interaction of environmental factors.

The invention provides a wide valley U-shaped channel mountain torrent debris flow prevention and control method based on a mountain torrent sediment transport rule, and the method comprises the steps: determining a formation region, a circulation region and an accumulation region of a large watershed debris flow channel, and determining debris flow channel parameters; determining the characteristics of the mud mark section; calculating debris flow characteristic parameters; a target bedrock section is selected, and the design height of a target dam body is calculated according to section characteristics of the target bedrock section, debris flow channel parameters, mud mark section characteristics and debris flow characteristic parameters; according to the method, an open type grating dam is arranged at a section where flood is often encountered, rolling type earth and rockfill dams are arranged at other positions of the section, and design construction is carried out according to a target design specification and the design height of a target dam body, so that the problem that when debris flow occurs, an existing prevention and treatment project loses efficacy due to deposition of silt carried by long-term erosion of mountain torrents is solved; and the service life of the prevention and treatment project in the drainage basin is greatly prolonged, and the expected effect can be achieved when debris flow occurs.

This invention relates to the field of sediment prediction technology, specifically to a method for predicting sediment deposition in waterways based on a hydrodynamic model. The method includes the following steps: correcting the critical initiation velocity of sediments using the biomass, metabolic rate, and biofilm thickness of the microbial community to obtain a corrected critical initiation velocity; calculating the actual suspended sediment concentration in the waterway based on the corrected critical initiation velocity, combined with the turbulence intensity, propagation distance, and draft of the ship's wake; and calculating the sediment deposition volume in the waterway based on the suspended sediment concentration, combined with the cementation strength, water content, and organic matter decomposition rate of the surface sediments. This invention comprehensively considers ecological and navigation-related influencing factors and improves prediction accuracy in complex scenarios.

This invention discloses a dredging device and system. The dredging device includes a first vehicle body, a shovel assembly, a dispersing assembly, a suction component, and a sweeping assembly. The first vehicle body travels within a drainage ditch and has a cavity with an opening at one end. The shovel assembly has a shovel body, one end of which is connected to the opening in the vehicle body, and the other end of which abuts against the bottom surface of the drainage ditch. The shovel assembly is used to scoop up silt from the drainage ditch so that the scooped-up silt enters the cavity of the first vehicle body through the opening. The dispersing assembly is located within the cavity and is used to break up the silt within the cavity. The suction component is connected to the cavity and is connected to a pumping device to pump out the silt from the cavity. The sweeping assembly is located outside the first vehicle body and is used to sweep the drainage ditch. The dredging device disclosed in this invention can improve the silt removal efficiency.

The invention provides a sandy coast sediment blocking dam maintenance method and a sand pumping system.The method comprises the following steps that S1, the sediment deposition range and the sediment deposition strength are calculated, the sand pumping strength is determined according to the calculation result, and then the number and the arrangement mode of sand pumping points and the sand pumping efficiency of the single sand pumping point are determined; s2, sand pumping points are excavated, and a sand pumping device is arranged at each sand pumping point; s3, a warning line needing sand pumping operation is determined, the silt deposition degree is monitored in real time, and whether deposition exceeds the warning line or not is judged; and S4, when the judgment result of the S3 is that the deposition exceeds the warning line, the sand pumping device is automatically started, and sand pumping operation is executed. The fixed sand pumping device is used for continuously cleaning deposited silt, so that the service life of the sand blocking embankment is prolonged, the construction investment of the sand blocking embankment and the engineering investment in the use period are reduced, and the damage to the ecological environment of a sea area is reduced.

The application provides a water level regulation method and system for a water conservancy hub. The method includes the following steps: collecting data by underwater robots and satellite remote sensing data simultaneously, constructing a sediment deposition space-time atlas containing a deposition gradient, and periodically correcting the space-time atlas. A radar array is deployed in the curved section of the spillway, and a multi-frequency pulse signal is used to analyze the three-dimensional sediment flow velocity field vector distribution. Through the correlation analysis of the dynamic coupling of the deposition gradient and the flow velocity field, the correlation area of the flow velocity mutation and the sediment deposition is accurately identified, and a constraint condition set containing coordinate positioning and flow-silt matching rules is established. Combined with real-time water level monitoring data, the constraint condition set is used to calculate and generate a dynamic adjustment parameter sequence of the spillway gate opening, and the water level is accurately regulated. The technical scheme provided by the application can accurately regulate the water level of the water conservancy hub by intelligently optimizing the spillway parameters, effectively alleviate the sediment deposition problem in the high-sediment water area, and ensure the safe operation and flood control efficiency of the hub.

This invention provides a geothermal drilling cleaning and desanding device. The device includes a support frame; a desanding structure comprising a separation tank, a settling hopper, a compression tank, a discharge gate, an opening and closing rack, a lifting groove, and a striking pin; a stirring structure comprising a mounting platform, a motor, a rotating gear, a rotating cylinder, an external gear, and stirring blades; a piping structure comprising a return pipe, a water pump, a curved pipe, and a pressure network; a rotating structure comprising a transmission sleeve, a cross groove, a cross column, and a connecting rod; a compression structure comprising a lifting sleeve, a reduction gearbox, a lifting column, a lifting guide rail, a sliding column, a compression plate, and a compression chamber; and a discharge structure comprising a slider, a lifting rack, a return spring, a lever, and a rotating spring. The geothermal drilling cleaning and desanding device provided by this invention has the advantage of timely removal of accumulated silt and compressed silt.

This utility model relates to the field of wastewater treatment technology, specifically a flocculation and clarification wastewater treatment device, including a tank, a flocculation reaction zone, and a sedimentation separation zone. The flocculation reaction zone is installed on the left side inside the tank, and the sedimentation separation zone is installed on the right side inside the tank. Bottom supports are symmetrically connected to the lower left and right sides of the tank exterior. A conical sludge hopper is connected to the middle of the lower outer side of the tank exterior. The flocculation reaction zone and the sedimentation separation zone are connected by a baffle with guide holes. This utility model, by installing the flocculation reaction zone, sedimentation separation zone, and conical sludge hopper, enables thorough mixing of the flocculant and wastewater and a reasonable water flow distribution in the sedimentation zone, improving the flocculation effect and sedimentation efficiency, enhancing the stability of the effluent quality, and achieving rapid sludge aggregation and discharge, reducing sludge accumulation within the equipment.

This utility model relates to a fountain structure for ecological restoration of eutrophication in a landscape lake, including a water inlet tank. A filter screen is installed on the inner wall of the water inlet tank. Multiple water inlets are opened on the outer surface of the water inlet tank, and multiple water inlets are opened on the upper surface of the water inlet tank. A protective box is installed on the upper surface of the water inlet tank, and a first motor is installed on the inner bottom wall of the protective box. This utility model, through a dual composite water inlet structure of water inlets and water inlets, combined with the filter screen installed on the inner wall, can intercept large particles of debris such as aquatic plants and large-diameter organic debris, avoiding the problem of device clogging. The first motor drives the rotating rod and stirring rod to rotate at high speed, and the resulting vortex can disperse algae clusters and fine organic debris in the water inlet tank, preventing them from depositing at the bottom of the water inlet tank to form an anaerobic sediment layer. This design avoids secondary pollution and also prevents deposited debris from being carried into the subsequent biological treatment stage by the water flow, ensuring the stability of the microbial degradation environment.