200 results about "Water safety" patented technology

The invention relates to a groundwater safety assessment method under an extreme climate event, which comprises the following steps: collecting multi-source heterogeneous data such as meteorological data, geological data, hydrological data and remote sensing data, and constructing a unified groundwater safety knowledge graph through standardized cleaning, semantic alignment and deletion completion; monitoring an extreme climate event in real time, and updating a node relation weight and sparsifying a transmission path based on knowledge graph dynamic evolution and a time sequence attention mechanism; performing risk propagation path reasoning on the dynamic knowledge graph in combination with an improved graph neural network, identifying key pollution nodes, and outputting a structured risk level and a coping suggestion; the system continuously optimizes atlas and model parameters based on evolution feedback, and high adaptability and reasoning precision of emergency response are achieved. According to the method, the intelligence, the real-time performance and the accuracy of underground water risk assessment are improved. The problems that the underground water pollution propagation path is difficult to dynamically identify and the decision adaptability is insufficient under extreme climate events are solved.

The invention discloses an acoustic-optical imaging semantic fusion detection method for underwater defects of a hydraulic structure, and the method comprises the steps: obtaining underwater acoustic and optical images of the hydraulic structure at the same time through underwater acoustic-optical imaging sensing for the underwater defects of the hydraulic structure; and on the basis, acoustic semantic features in the acoustic image are extracted through a semantic feature extraction module, optical image features in the optical image are processed by taking the acoustic semantic features as guidance, and a defect detection result is obtained when an underwater defect target exists in the image, so that underwater defect sound-light imaging semantic fusion detection is realized. The technology is suitable for health monitoring of various dam system hydraulic structures, and operation safety and water safety of hydraulic engineering are guaranteed.

The invention discloses a lake water resource-water safety collaborative annual-scale robust scheduling logic generation method, system and device and a storage medium, and the system comprises a watershed hydrology-lake body hydrodynamic coupling modeling module which is used for constructing a distributed watershed hydrology model and a lake body hydrodynamic model; the comprehensive meteorological uncertainty boundary file generation module is used for obtaining a watershed meteorological boundary file and a lake body meteorological boundary file; the drainage basin hydrological simulation module is used for forming a drainage basin inflow-water taking boundary file set covering meteorological uncertainty; the lake water level control strategy generation module can obtain a plurality of water level control boundary files; a lake body hydrodynamic simulation module; and the water level control strategy determination module is used for determining a final annual scale robust water level scheduling strategy. According to the method, the spatial-temporal heterogeneity of rainfall and a multi-scene water level control strategy are comprehensively considered, the accuracy and robustness of lake water resource management are remarkably improved, and reliable operation of the system under various meteorological conditions is guaranteed.

The invention discloses a drinking water disinfection by-product generation prediction method based on a reaction kinetic model, and belongs to the technical field of drinking water treatment and drinking water quality prediction, and the method is realized based on the following steps: 1) constructing a disinfection by-product generation kinetic model of a model compound and determining the reaction rate of each step; 2) constructing and optimizing a disinfection by-product generation kinetic model of the natural organic matter on the basis of the obtained reaction rate to obtain a disinfection by-product generation kinetic model of an actual water body; 3) establishing a prediction method for the concentration of each component in the model; and 4) inputting the measured concentration of each component in the actual water body into the constructed model, and calculating and predicting a disinfection by-product generation kinetic result of the actual water body through the model. The method fully considers the generation kinetics of the disinfection by-products of the actual water body under different space (time) distribution, can quickly predict the generation of various disinfection by-products which are managed and controlled and are not managed and controlled but have high toxicity, provides early warning for the effluent quality of drinking water treatment, and ensures the safety of drinking water.

The invention relates to the technical field of ballast water, in particular to a ship ballast water comprehensive treatment system which comprises a ballast water dynamic adjustment module, a ballast water risk management module, a ballast water safety optimization module and a ballast water ecological monitoring module. According to the invention, by monitoring the key sea condition data and the ship state in real time, the ballast water configuration can be adjusted in real time, and the balance and operation flexibility of the ship can be optimized, so that the ship can be kept stable in a changeable marine environment, the extra fuel consumption caused by improper configuration of the ballast water is obviously reduced, and the service life of the ship is prolonged. Potential risks in ballast water are intelligently assessed through the Bayesian network, the system can early warn the risks in advance and formulate coping strategies, so that the safety of the ship is improved, ecological threats are recognized in time through careful monitoring and analysis of biological and chemical components of the ballast water, the cross-regional spreading risk of pests and pathogens is reduced, and the risk of risk prevention and treatment is reduced. The ecological safety and the biological diversity of the destination water area are effectively protected.

The invention relates to the technical field of environmental monitoring, in particular to an ecological environment and environmental pollution monitoring system and method, and a multi-source heterogeneous data acquisition module comprehensively acquires water quality, weather and space monitoring data. The system comprises a topological mapping data preprocessing module which is used for abnormal data detection and data vacancy filling; the state evolution analysis module is used for constructing an environment state transition network and analyzing an environment state evolution rule; the environment comprehensive evaluation module is used for calculating a water safety level index and a water pollution condition index and generating an environment quality evaluation report; the pollution diffusion prediction module is used for predicting a pollutant diffusion path and concentration distribution and identifying a high-risk area; the intelligent early warning and visualization module is used for generating graded early warning information and visually displaying the environment state and the pollution diffusion condition through multi-dimensional data, so that the coverage and the data integrity of environment monitoring are remarkably improved, the environmental pollution problem can be timely found and dealt with, and the ecological environment safety is guaranteed.

The invention discloses a regional water safety-oriented water demand prediction method, electronic equipment and a storage medium, and the method comprises the steps: firstly collecting an industrial water impact factor, a living water demand prediction impact factor, and an agricultural irrigation water demand prediction impact factor; then, a prediction equation for reflecting the future evolution trend of each influence factor is established for each influence factor, then an industrial water demand prediction model, a living water demand prediction model and an agricultural irrigation water demand prediction model are established, and the water demand prediction models are subjected to validity inspection; and finally, performing water demand prediction on a to-be-predicted area by using the inspected water demand prediction model to obtain a water demand prediction result. According to the method, economic driving, social influence, climate change and other factors are fully considered, the water demand change mechanism is researched from the internal structure of the system, the problems that in existing water demand prediction, factor selection is not comprehensive, and the simulation effect is poor are solved, and the prediction effectiveness and accuracy are improved from the two aspects of the model structure and the prediction factors.

The invention relates to the technical field of drinking water safety monitoring, and discloses a rural drinking water safety monitoring method, which comprises the following steps: S1, water sample collection; s2, monitoring a water sample; s3, data acquisition and transmission; s4, data processing and analysis; s5, early warning; s6, water quality reporting, water quality safety of rural drinking water sources and water delivery pipe networks is ensured by monitoring and evaluating water quality parameters in real time, potential water quality problems can be found and dealt with in time through regular and instant monitoring, health risks caused by water quality pollution are reduced, automatic and continuous water quality monitoring and data transmission are achieved, and the water quality monitoring efficiency is improved. The frequency of manual sampling and inspection is reduced, the monitoring efficiency is greatly improved, real-time collection and analysis of data also shorten the problem discovery and response time, the response speed is improved, and a scientific basis is provided for water quality management and decision making through comprehensive water quality index CWQI calculation and water quality report generation. A decision maker can analyze according to data and trends in the report.

The invention belongs to the field of lake ecological desilting, and discloses a shallow lake bottom mud ecological desilting and residual water treatment combined treatment method which comprises lake bottom mud ecological desilting, solidification dehydration treatment and residual water treatment. Ecological dredging of the lake bottom mud is implemented by adopting an environment-friendly cutter suction dredger and a sealed pipeline to convey mud, and the bottom mud is conveyed to a mud discharge field to be solidified and dehydrated. A vacuum preloading technology is adopted for solidification and dehydration of the bottom mud, pore water of the bottom mud is effectively discharged by increasing the pressure difference between soil bodies of a drainage plate, and the overall solidification effect is improved. The residual water treatment comprises the treatment of desilting and solidifying residual water, the technologies of multi-stage precipitation, mechanical aeration, aquatic plant remediation and the like are adopted, and the residual water is discharged nearby after being treated to reach the standard. The combined treatment method aims at effectively reducing endogenous pollution of lakes, promoting lake water quality improvement and guaranteeing water safety of regional lakes and reservoirs, and is particularly suitable for ecological dredging engineering of shallow lakes, short construction period and fine-particle bottom mud.

The invention relates to a large-model water conservancy business intelligent arrangement calculation method and system. The method comprises the following steps: obtaining hydro meteorological data, hydraulic engineering data, ecological protection data and business management data containing a cross-regional cooperation framework and a scheduling principle, and fusing to generate a hydraulic engineering data set; constructing a water conservancy digital twinborn body based on the water conservancy data set; deducing the water safety situation change through a preset environment evolution model; when the water safety situation change reaches a preset threshold value, analyzing a cooperation framework and a scheduling principle in the service management data through a decision engine based on the situation change and the digital twin, and generating a water conservancy service scheme containing a cross-domain cooperation constraint condition; analyzing the cross-domain collaborative constraint condition by adopting a graph neural network, and generating a multi-service logic topological graph; and generating a water conservancy business execution instruction sequence based on the structural features of the topological graph. According to the invention, water conservancy business full-process intelligent decision-making and cross-domain cooperative scheduling are realized, and the water safety guarantee capability is improved.

The invention relates to the technical field of water quality monitoring, in particular to a distributed raw water quality real-time monitoring system which comprises an underground water sampling module, a sample analysis module, a water quality feedback terminal and a data storage terminal. And finally, the water body quality corresponding to the underground water quality in the target raw water body area is fed back to a system interface for interface display, the water quality evaluation can guarantee the safety and sustainability of the water resource, and the water quality evaluation efficiency is improved. Health risks and economic losses caused by water quality pollution are avoided, and underground water quality evaluation has direct influence on public health. Various health problems may be caused by drinking or using the water for a long time, the drinking water safety of residents can be guaranteed, health risks can be found and treated in time, and therefore the health of the residents is protected.

The invention provides a falling-into-water identification method based on artificial intelligence, and belongs to the technical field of target identification. Preprocessing the data; water area detection; target detection and posture recognition; behavior recognition and early warning; identifying a drowning state; and real-time alarm and cloud processing are carried out. By combining target detection, human body posture recognition, behavior recognition and early warning technologies, the invention provides an efficient, accurate and real-time drowning recognition method, various defects in the prior art are overcome, and the intelligent level of water area safety monitoring is remarkably improved.

The invention relates to a mineralization system, a mineralization system control method and mineralization equipment. The mineralization system comprises a control module, a first driving module, a second driving module, an extraction module, a heating module and a water storage module, one end of the first driving module is connected with a preset water inlet pipeline, the other end of the first driving module is connected with a water inlet of the extraction module through the heating module, and a water outlet of the extraction module is connected with a water inlet of the water storage module through the first driving module; one end of the second driving module is connected with a water outlet of the water storage module, and the other end of the second driving module is connected with a preset water outlet pipeline; the water outlet of the water storage module is connected with the water inlet of the water storage module through the second driving module and the heating module in sequence; according to the mineralization system, when the water storage module does not work for a long time, high-temperature backflow of the mineral water is automatically carried out, sterilization treatment of the mineral water in the water storage module is completed, generation of microorganisms is effectively inhibited, and drinking water safety is guaranteed.

The invention relates to the technical field of water resource management, in particular to a regional water resource optimal configuration method and system.The method comprises the following steps that a domestic water prediction model and an ecological water prediction model are constructed based on LSTM and used for predicting domestic water and ecological water of a target region respectively, meanwhile, the production water of the target area is estimated through a quota method; predicting the available water supply amount of the target area, and obtaining a future supply and demand analysis result of the water resource of the target area in combination with the prediction results of the domestic water, the ecological water and the production water; when the water demand of the target area is difficult to meet, obtaining the water shortage rate and the economic benefit of the water resource optimal configuration plan based on a WEAP model; and establishing a water resource optimal configuration model, and further comprehensively considering the water shortage rate and the economic benefit to obtain an optimal water resource optimal configuration plan. According to the water resource optimal configuration method, the coordinated development of economic, social and ecological environments can be realized while the water use safety is guaranteed.

The utility model discloses a vertical type water outlet electric kettle which comprises a base, a kettle body and a faucet, the kettle body is provided with a surrounding portion made of glass fiber reinforced plastics, the surrounding portion is provided with a side ring portion extending in the circumferential direction of the base, the side ring portion is provided with an assembly hole, a connecting piece detachably and fixedly connected with the side ring portion is arranged in the assembly hole, and the connecting piece is provided with an insertion hole. And the faucet extends into the kettle body from the insertion hole and is in threaded connection with the connecting piece at the insertion hole. The assembly hole is formed in the kettle body, the connecting piece in threaded connection with the faucet is arranged in the assembly hole, and the faucet is arranged on the peripheral side of the kettle body and is controlled to be opened and closed through the water outlet valve, so that the kettle body discharges water vertically, the kettle body does not need to be poured, the kettle cover is prevented from falling off when the kettle body topples, and the water outlet safety is improved. And the connecting piece in threaded connection with the faucet is arranged in the assembly hole, so that internal threads in threaded connection with the faucet do not need to be machined on the kettle body, the machining difficulty is reduced, the kettle body is prevented from cracking, and the faucet and the kettle body are stably assembled.

The invention relates to the technical field of intelligent water supply, in particular to a flow partition intelligent water supply method and system. The data sensing layers are installed at the tail ends of the main pipes and the branch pipes of all the flow partitions, partition water supply data are collected in real time, water quality data are subjected to multi-dimensional analysis through a water quality monitoring mechanism, water quality abnormity is accurately recognized, a cleaning instruction is generated, intelligent monitoring and self-cleaning of water quality are achieved, and the water quality monitoring efficiency is improved. The problem of bacterium breeding caused by static water flow is effectively solved, and water safety is guaranteed; through cooperative operation of the global data sensing module, the partition pressure analysis module and the pressure compensation module, real-time pressure, historical fluctuation and external influence data in partition flow data are comprehensively analyzed, a pressure compensation instruction is generated in combination with entropy calculation and weight distribution, pipe network pressure is regulated and controlled in real time, and the pressure compensation efficiency is improved. The problems of water hammer effect and unstable tail end water consumption in peak periods are solved, and the stability of a water supply system is improved.

The invention discloses a method for analyzing the settlement behavior of spherical particles in layered water, which comprises the following steps: building a particle settlement behavior test device, and carrying out a particle settlement test under the action of reservoir thermal stratification to obtain the dynamic behavior of particle settlement in the thermal stratification motion of a deepwater reservoir; obtaining the stress information of the particles in the sedimentation motion according to the sedimentation dynamic behavior of the thermal stratification motion particles of the deepwater reservoir; according to the stress information of the particles in the sedimentation motion, the corrected particle sedimentation velocity is obtained through calculation; and calculating key kinetic parameters of the particle sedimentation behavior according to the corrected particle sedimentation velocity. According to the method, the vertical transportation process of the particles under the thermal stratification effect of the water body can be deeply understood, and the obtained scientific data and cognition are helpful for perfecting a basic theory system for ecological protection and restoration of lake and reservoir water and water safety guarantee of a water source.

The utility model relates to the technical field of water conservancy projects, and discloses a water conservancy safety monitoring device, which comprises a hollow column, a plurality of through holes, a plurality of pressure sensors and a plurality of pressure sensors, wherein the outer side of the bottom of the hollow column is provided with a plurality of through holes; the bottom end of the hollow column is fixed with the mounting plate, and a plurality of positioning holes are formed in the outer side of the mounting plate; the whole filter cartridge is embedded and fixed at the bottom of the hollow column, and the filter cartridge covers each through hole; and the circular ring and the hollow column are coaxially arranged, and the circular ring is rotationally mounted on the hollow column. A filter cartridge of the water conservancy safety monitoring device prevents floating objects from entering a hollow column, filtered water flows into the hollow column through a through opening, a floating plate is supported by the water, a driving mechanism enables a circular ring to rotate axially, the circular ring drives a shaftless spiral blade to rotate, and when the shaftless spiral blade rotates axially, the floating plate is driven by the circular ring to rotate. Floating objects attached to the outer side of the filter cartridge are pushed away from the filter cartridge, so that the floating objects are prevented from blocking the filter cartridge.

The utility model relates to the technical field of lead-free angle valves, and discloses a lead-free angle valve for water supply and drainage, which comprises a valve core shell, a valve rod, a valve cover, a fixed separation blade and a rotating separation blade, the fixed separation blade is fixedly arranged in the valve core shell, a fan-shaped notch is arranged on the fixed separation blade, the valve cover is fixedly arranged on the valve core shell, the valve rod is rotatably arranged on the valve cover, and the rotating separation blade is arranged on the valve rod. An annular notch is formed in the valve element shell, an annular groove is further fixed to the outer side of the valve element shell, an elastic module is installed at one end of the annular groove, an elastic water bag is arranged at the other end of the annular groove, a water pipe is connected to the elastic water bag, and the water pipe penetrates through the valve element shell to be communicated with the interior of the water outlet cavity. A water baffle is further installed on the annular groove in a sliding mode, the structure can prevent water flow from flowing out when the angle valve is not completely opened, and the safety of the angle valve is improved; opening of the angle valve is controlled according to internal hydraulic pressure of the water outlet cavity, water outlet delay is achieved, and drainage safety is improved.

1. The name of the product of this design: Life jacket (dolphin). 2. Purpose of this design product: used for water safety protection and drowning prevention. 3. The design key points of this design product are shape or the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

The present invention discloses a method, device, equipment, storage medium and product for determining the urban water surface ratio. The method includes parameterizing rivers, roads and plots in a target area according to the road network density and the number density of rainwater discharge outlets per unit river length to obtain the basic parameters of the water surface ratio calculation model; determining the target value of the effective service radius of the river according to the average elevation of the road and the river control water level; calculating the target value of the river width according to the target value of the effective service radius of the river and the river length; and determining the target water surface ratio of the target area according to the target value of the river width and the target value of the effective service radius of the river. It can integrate municipal drainage and water conservancy waterlogging drainage. The water surface ratio calculation process takes into account factors such as vertical elevation, effective service radius of the river, and river control water level, and takes into account the balance of the river network distribution, making the water surface ratio calculation result more scientific and reasonable, and providing a scientific basis for urban planning and construction and water safety governance.

A fixing mechanism comprises a groove formed in the top of a bottom plate, the inner wall of the groove is rotationally connected with a bidirectional lead screw, the two ends of the outer wall of the bidirectional lead screw are both in threaded connection with movable seats, and the tops of the two movable seats are both fixedly connected with connecting plates; when the ammonia water storage tank is used, a tank body filled with ammonia water can be easily placed on the top of the bottom plate through the idler wheels in the circular groove, and when the tank body filled with the ammonia water reaches a designated position, the movable seats on the two sides of the bidirectional lead screw are driven to move under the driving of the motor, so that the ammonia water can be conveniently stored in the tank body, and the ammonia water can be conveniently stored in the tank body. According to the technical scheme, the fixing plates located on the two sides of the top of the bottom plate clamp and fix the tank body containing ammonia water, so that in the transportation process, the risk that the tank body containing ammonia water collapses is reduced, and the occurrence rate of accidents in the ammonia water transportation process is reduced.

The application discloses a numerical simulation method for nitrogen and phosphorus release of lake and reservoir sediment, and comprises the following steps: step 1, nitrogen and phosphorus migration process division; step 2, calculation of sedimentation flux; step 3, calculation of lithogenic flux; step 4, calculation of release flux; and step 5, optimization of release flux calculation. The method fully considers the dynamic resuspension process of the sediment and the response of the oxidation-reduction environment in the nitrogen and phosphorus release process of the sediment in the deep-water lake and reservoir, realizes continuous dynamic simulation of the nitrogen and phosphorus sedimentation-lithogenesis-re-release process at the water-sediment interface, more scientifically and accurately simulates the nitrogen and phosphorus endogenous release law, and effectively improves the calculation precision of the nitrogen and phosphorus release process, which plays an important role in improving the water safety guarantee of the deep-water lake and reservoir in China.

A method for measuring the concentration of radon 220 and radium-224 in water through a bubbling method comprises the steps that based on a bubbling measuring device, water on the surface layer of the water surface is sampled and put into a sample bottle, a pump of an RAD7 radon measuring instrument is started, the radon 220 contained in a water sample is put into the RAD7 radon measuring instrument and tends to be stable, the concentration of the radon 220 coming out of bubbling of the water sample measuring bottle and the concentration of the radon 220 in the water in the water sample measuring bottle are balanced, and the concentration of the radon 220 contained in the water sample measuring bottle is calculated. And recording a concentration curve of the radon-220 in the gas measured by the RAD7 radon measuring instrument from the starting state to the equilibrium state. The concentration of the radon 220 in the water is determined through a bubbling method, relevant expressions of the concentration of the radon 220 in all positions of different spaces of the device are established, and the expressions are substituted into the expressions to solve the concentration of the radon 220 and the concentration of the radium-224 in the water. The measurement method is used for calculating the concentration of the radon 220 and the concentration of the radium-224 in the water, the calculation process is simple, the calculation result is accurate, the concentration of the radon 220 and the concentration of the radium-224 in the water sample can be continuously monitored and analyzed for a long time, a basis is provided for knowing regional water source quality, water pollution control, agriculture and animal husbandry water and the like, and the method is suitable for popularization and application. The underground water environment and resident drinking water safety are ensured.

A device relating to a floater for use by a non-swimmer for buoyancy comprising a floating flatbed with coded descriptions (lateral ends: front end 14, back end 12) and a plurality of paired straps with buckles (20,22) to secure the floater flatbed (10) fixed in the swimmer’s body. This is designed to keep the non-swimmer afloat while concentrating on their hand and leg exercises. The floating flatbed is wrapped either at the upper limbs posterior or anterior portion of the body; a webbing belt with safety mechanisms buckled around the body which can be fixed at the levels; waist, abdominal, and upper back (posterior) or chest part (anterior). An adjustable strap is buckled across shoulders (24, 26) to fasten the device in place below the jaw with a plane surface of a floater which allows use purposely for either supine or prone floating mechanics fundamental in learning the basic skills for any appropriate floating position. Apparently, problems like drowning and other water accidents happen in just any part of the globe usually caused by panic and water anxiety. The device contains characteristics easy for use by non-swimmers at any age level for water safety and training device for non-swimmers particularly those who manifest water anxiety. Acquired skill in floating somehow creates mental alertness as a greater opportunity for survival during atrocities.

The invention discloses an embankment gushing risk evaluation method based on an embankment gushing formation mode, and the method comprises the steps: constructing the formation mode of the embankment gushing risk through employing the outboard flood occurrence probability as a triggering premise, employing a riverbed instability coefficient as a disaster-causing factor, and employing the stability degree of an embankment as a resistance capability; according to the calculation method for obtaining the embankment gushing risk according to the evaluation model, the embankment gushing risk can be quantitatively analyzed and calculated, the embankment gushing risk point can be effectively recognized, the weak river reach of the embankment can be defended in a targeted mode, passive water safety incident handling is changed into active water safety risk prevention and control, and the method is the key for guaranteeing the flood control safety of the river channel. And the method is universal for safety protection of other river dikes in the world, and has popularization significance.

The application is suitable for the technical field of water quality monitoring, and provides an intelligent skin-beautifying digital-display water quality filtering monitoring device.The device body is provided with a water channel, and a plurality of independently arranged fixing shells are arranged on the lower side of the device body.A circuit board, a fragrance stick and a filtering material are sequentially arranged in the fixing shells.The fixing shell outside the circuit board is provided with a display screen, the display screen is connected with the circuit board, and a TDS testing unit is connected to the circuit board.The TDS testing unit is used for monitoring whether the water quality meets the requirements when the water passes through the water channel.The water quality monitoring data monitored by the TDS testing unit is intuitively fed back to the display screen, and the user can be timely prompted to replace the filter element, so as to solve the problems that the current water quality monitoring equipment of the market user adopts visual self-determination or mechanical month recording form, the water quality in different places is different, the user misjudgment is caused and the water safety is affected.

The present invention provides an intelligent modeling method for coagulant addition in a water treatment plant based on big data analysis. Based on the historical big data analysis of raw water quality, coagulant dosage and sedimentation tank effluent turbidity, long-term and short-term models of coagulant dosage under corresponding water quality conditions are constructed respectively according to the characteristics of periodic seasonal changes and non-periodic dynamic changes in raw water quality; in actual operation control, the weights of the long-term and short-term models are adjusted online according to the control effect of the effluent turbidity of the sedimentation tank at the current moment; the outputs of the long-term and short-term models are weighted and calculated to obtain the predicted output of the coagulant dosage model under the current water quality conditions, and the coagulant dosage is adjusted online. The present invention adopts a big data analysis method to intelligently and real-timely control the coagulant dosage, effectively improve the treatment effect of the coagulation process with complex nonlinear and large hysteresis characteristics, stabilize and improve the quality of drinking water, and ensure drinking water safety.

The invention discloses marine rescue equipment, which belongs to the technical field of personal overwater safety equipment and comprises a front floating block binding mechanism serving as an inner layer and a rear floating block binding mechanism serving as an outer layer. The inner layer mechanism and the outer layer mechanism are combined through multi-point matching of the shoulders, the back and the waist, and stable closed-loop locking is formed through the crotch belt. The core innovation is that a precise and detachable mechanical linkage connection structure is arranged between the inner waistband and the outer waistband. When the equipment is lifted upwards in rescue, the structure can intelligently convert passive pulling force into active and radially inward hooping force, so that the inner waistband is automatically tightened, and the binding force between the equipment and the body of a user is greatly enhanced. Through a unique double-layer closed-loop structure and a dynamic self-locking mechanism, the rescue slippage risk is fundamentally eradicated, the structure is stable and reliable, and the safety and success rate of sea rescue are remarkably improved.

The present application provides a launching slide assembly and a launching device, the launching slide assembly comprising a launching slide, a slide rail, and a launching auxiliary assembly; the launching slide is used to be installed on the hull; the slide rail is installed on the launching slide for sliding the part to be entered into the water; the launching auxiliary assembly is installed on the launching slide and is arranged on one side of the slide rail; the launching auxiliary assembly comprises a swing seat and a support seat, the swing seat is swingably installed on the launching slide; the support seat is installed on the swing seat and supports the bottom of the part to be entered into the water; when the hull is tilted downward relative to the launching slide, one end of the bottom of the part to be entered into the water floats on the water surface, and the other end is supported by the support seat, so that the part to be entered into the water is in a horizontal state and leaves the launching slide, and the part to be entered into the water continues to maintain a horizontal state during the entry process, avoiding the part to be entered into the water in a tilted state entering the water, improving the safety of the part to be entered into the water with the assistance of the launching slide assembly, and reducing the difficulty of launching the part to be entered into the water.