74 results about "Sedimentation process" patented technology

The invention discloses an efficient dehydration treatment device for waste engineering slurry and a dehydration method of the efficient dehydration treatment device. Relates to the technical field of rapid dehydration of high-water-content waste slurry. The dehydration treatment device comprises a waste slurry pipeline conveying module, a precise dosing module, a multi-stage pipeline mixing and dissolving module and a geotextile tube bag dehydration module which are connected in sequence. Accurate dosing can be achieved according to the water content of the slurry in the slurry sedimentation tank, negative effects on the flocculation effect of the slurry due to too much or too little flocculants are avoided, use of flocculant materials is reduced, the material cost is greatly reduced, meanwhile, the flocculants are arranged, the cationic flocculant YAPAM is adopted as the flocculants, and the flocculation effect of the slurry sedimentation tank is improved. The flocculant has the advantages of small dosage, good flocculation effect, environmental protection and the like. In the flocculating settling process of the slurry, soil particles in the slurry can be rapidly gathered and precipitated through the effects of electric neutralization and adsorption bridging, and the formed floc is stable in structure, large in size and not prone to being broken.

The application discloses a ship-mounted in-situ calibration device and method for a seabed suspended sediment concentration profile probe, which comprises a cylindrical water tank main body, an ASM and a support frame thereof, a driving motor, a rotating paddle, a cylindrical support, a water pump and a valve. The method comprises the following steps: horizontally arranging the ASM in the water tank through the support frame; extracting in-situ seawater on the ship deck for calibration by using the water pump; driving the paddle by the motor to uniformly mix the water sample; and extracting the water sample by opening the water extraction valve at different time intervals, wherein the water extraction valve is arranged on the side of the water tank and is consistent with the measurement elevation of the ASM, is used for extracting the water sample at the same elevation of the ASM, and tests the consistency of each sensor of the ASM. The water sample concentration can well cover the in-situ concentration range under normal circumstances by sampling at different time intervals in the static water sedimentation process. The in-situ seawater is extracted on the spot for calibration, so that the difference between the particle size range and the concentration range of the sediment suspension liquid prepared in the laboratory and the actual observation station is avoided.

The utility model discloses an agricultural drinking water pretreatment device which comprises a device shell, a coagulating sedimentation cavity is arranged in the device shell, the coagulating sedimentation cavity comprises a flocculation cavity, a water distribution cavity and a filler cavity, the flocculation cavity and the filler cavity are respectively positioned on two sides of the coagulating sedimentation cavity, a plurality of flocculation plates are arranged in the flocculation cavity, and the water distribution cavity and the filler cavity are respectively positioned on two sides of the coagulating sedimentation cavity. The flocculation plate is provided with a plurality of flocculation holes, the flocculation holes are uniformly distributed in the flocculation plate, the top of the flocculation cavity is provided with a first through hole, the first through hole is connected to the water distribution cavity, and the water distribution cavity is provided with a second through hole and is connected to the filler cavity; through the structures such as the coagulating sedimentation cavity and the flocculation plates, the efficient coagulating sedimentation process is realized, the removal effect of impurities such as suspended solids in drinking water is greatly improved, and the treatment quality of the drinking water is remarkably improved.

The invention relates to the technical field of wastewater treatment, in particular to a coagulating sedimentation medium, a preparation method thereof and a wastewater treatment method. The coagulating sedimentation medium is prepared from the following raw materials in parts by weight: 4 parts of waste for synthesizing cubic zirconia, 0-2 parts of brown aluminum oxide and 0-4 parts of quartz sand. The coagulating sedimentation medium provided by the invention not only has an adsorption effect but also has an acceleration effect on rotational flow sedimentation due to the difference of centrifugal force in the sedimentation process of treating wastewater, so that the sewage treatment time can be shortened, and the water quality fluctuation impact can be coped with.

This application relates to the field of water treatment technology and discloses a method for defluoridating fluoride-containing wastewater. The method includes introducing fluoride-containing wastewater from the bottom into a crystalline granulation fluidized bed filled with natural garnet seed crystals, thus fluidizing the seed crystals. Simultaneously, calcium chloride solution and sodium hydroxide solution are pumped in from the side and below to adjust the Ca / F molar ratio and pH value of the reaction system, promoting an induced crystallization reaction between fluoride ions and calcium ions in the aqueous phase on the surface of the garnet seed crystals to precipitate calcium fluoride. After the reaction stabilizes, the treated water is discharged from the top of the bed to obtain defluorinated effluent. This method addresses the homogeneous nucleation phenomenon in the aqueous phase caused by high influent fluoride concentration shocks, and combines this with subsequent coagulation and sedimentation processes to remove suspended particles. This application overcomes the shortcomings of traditional sedimentation methods, which easily generate loose flocs, achieving a stable transfer of fluoride to a dense solid phase, effectively reducing the production of water-containing sludge, and ensuring the quality of the effluent from the defluoridation system under high load fluctuations.

This invention discloses a method for producing alcohol-based suspensions for produced water, comprising multiple steps including selecting alcohol-based solvents, adding dispersing agents, adding functional solid particles, precisely adjusting the pH value of the system, thorough mixing and homogenization, and filtration and purification. The alcohol-based suspension produced by this invention has uniformly dispersed internal solid particles and a large specific surface area, exhibiting extremely strong adsorption and capture capabilities. It can rapidly adsorb fine suspended particles, emulsified oils, organic impurities, and other pollutants in produced water, showing significant treatment effects on produced water with high solids content and high oil content. The removal rate of suspended solids can reach over 90%, and the removal rate of oil pollutants can reach over 85%, far superior to traditional flocculation and sedimentation processes. The treated water quality can meet discharge standards or be reused.

The invention provides a separation device for gas reservoir exploitation, and belongs to the technical field of gas reservoir exploitation. Comprising a tank body, the top of the tank body is fixedly connected with a feeding pipe and an exhaust pipe, the bottom of the tank body is fixedly connected with a water drainage pipe, an oil drainage pipe and a cooperative driving mechanism, and the cooperative driving mechanism is used for processing emulsion in fluid and connected with the tank body and the feeding pipe. According to the device, the cooperative driving mechanism is arranged, so that fluid can be automatically layered after entering the tank body, the time for mutual sedimentation and layering of a gas phase, an oil phase and a water phase is shortened, the fluid separation efficiency of the device is improved, and before the fluid enters the space between the first partition plate and the second partition plate, emulsion is treated and demulsified, and the separation efficiency is improved. And the fluid is more efficient in the sedimentation process, and the quality of the treated fluid is higher.

The application discloses a flocculation-sedimentation experiment system which can consider the influence of biological factors, wherein, in the flocculation system, the transparent flocculation device is arranged in a flocculation incubator, the flocculation incubator is used for providing controllable water body turbulence, illumination and temperature conditions for a silt flocculation process, and a flocculation body development measuring device is used for measuring the development of the flocculation body in the transparent flocculation device in real time; in the sedimentation system, a transfer device is used for transferring the flocculation body at different development stages in the transparent flocculation device to the transparent sedimentation device for sedimentation, the transparent sedimentation device is arranged in a sedimentation incubator, the sedimentation incubator is used for providing controllable illumination and temperature conditions for the flocculation body sedimentation process, and a sedimentation speed observation device is used for observing the sedimentation speed of the flocculation body in the transparent sedimentation device in real time. The application can consider the influence of biological factors on the silt flocculation and sedimentation process, realize the control of various environmental variables, and accurately simulate the flocculation-sedimentation behavior of the silt population in the silt-containing water body without interference.

The utility model belongs to the technical field of sewage treatment, and discloses sewage mud-water separation treatment equipment for ceramic production, which comprises a sewage storage barrel, an annular shell is fixedly connected to the top end in the sewage storage barrel, and a plurality of sections of electric telescopic rods are mounted in the annular shell; a mounting block is fixedly connected to the output end of the multi-section electric telescopic rod, a filtering layer is mounted in the mounting block, a telescopic feeding pipe is fixedly mounted at the top end of the filtering layer, a water outlet valve is mounted at the bottom end of the surface of the sewage storage barrel, and a water flowing pipe is fixedly connected to the end face, away from the sewage storage barrel, of the water outlet valve. The multi-section electric telescopic rod pushes the filter layer to move downwards, so that sediments in sewage are blocked when the filter layer moves downwards, then the filter layer can intercept large-particle suspended solids in the sewage, and the long sedimentation process of the sewage in the sewage treatment equipment is reduced.

The invention relates to the technical field of sewage treatment, and particularly discloses an integrated high-density sedimentation tank with sludge external circulation, which comprises a support bracket, a cavity, a water inlet pipe, a blow-off pipe and a partition plate, and is characterized in that a separation part is arranged outside the cavity, and the separation part generates eddy current in a separation shell through forward and reverse rotation of paddles, so that the separation part is separated from the water inlet pipe and the blow-off pipe; sludge is enriched and concentrated on the surface of the collecting piece, then high-density sludge is sent back to the top of the cavity through a return mechanism to form a sinking sediment blanket, and therefore the sedimentation process of sewage is accelerated, chemical flocculants do not need to be added, the sedimentation speed and efficiency are remarkably improved, and the operation cost is reduced.

The invention provides a method and a device for determining a settlement path of a propping agent in a crack. According to the spatial scale parameter and the settlement time parameter, determining a corresponding target crack parameter; determining fluid response parameters of the target crack at different space-time positions by using a first module of a preset proppant settlement prediction model according to the target crack parameters; wherein the proppant settlement prediction model is a neural network model with a composite loss function, and the composite loss function comprises a control equation residual term and a multi-physical boundary constraint term; a second module of a preset proppant sedimentation prediction model is used for determining the sedimentation velocity and position change information of proppant particles in the target crack according to the fluid response parameters; and according to the settlement velocity and the position change information, determining a settlement path of the proppant particles in the target crack in the whole prediction time range. Therefore, the defect that the particle size sedimentation process is difficult to comprehensively reveal in the prior art is overcome.

The invention provides a method and a system for simulating and predicting diffusion and deposition amount of dredged objects in a port channel area. The method comprises the steps that a condition parameter database is constructed as an initial condition, a basic database is constructed as a boundary condition, a multi-field coupled hydrodynamic model is solved, and hydrodynamic field parameters are obtained; constructing a dredged object migration-sedimentation model including diffusion, sedimentation and scouring-sedimentation processes; parameters of the hydrodynamic model and the dredged object migration-deposition model are corrected through a Kalman filtering algorithm; simulating and predicting the diffusion range and the deposition amount of the dredged objects on the basis of the corrected model; and verifying a simulation prediction result, generating a dredged material diffusion range diagram and a deposition amount statistical report, and performing visual display. According to the method, the multi-field coupled hydrodynamic model and the dredged object migration-deposition model are constructed, and model parameters are dynamically corrected in combination with real-time monitoring data, so that the diffusion range and the deposition amount of the dredged objects are accurately and efficiently simulated and predicted.

The application provides a mercury-contaminated soil treatment process and a mercury-contaminated soil treatment system. The mercury-contaminated soil treatment process comprises: treating the mercury-contaminated soil by using a thermal desorption heating process, so that mercury in the mercury-contaminated soil is thermally desorbed from the mercury-contaminated soil in a gaseous form and forms mercury vapor; cooling the mercury vapor, so that at least part of the mercury in the mercury vapor is converted from the gaseous form to a liquid form and forms liquid mercury; performing a sedimentation process on the liquid mercury, in which the liquid mercury is combined with suspended material to form a mercury suspension and is suspended in an upper layer of the liquid, and the mercury in the mercury suspension is recovered and treated. The technical scheme provided by the application can solve the technical problem of poor mercury removal effect of the mercury-contaminated soil treatment process in the prior art.

This invention relates to a method for disposing of backwash sludge from underground water treatment plants. It primarily addresses the problem of increased treatment costs and resource waste associated with existing methods of reusing large amounts of sludge generated during wastewater recovery at underground water treatment plants. The disposal method mainly includes the following steps: Step 1, solidifying the sludge; Step 2, adding the solidified sludge to a polyaluminum chloride product, followed by pressure filtration and sedimentation to obtain a compound product. This method for disposing of backwash sludge from underground water treatment plants can prepare a composite coagulant from the waste generated during production, which can then be reused in the coagulation and sedimentation process of domestic sewage treatment, saving resources and treatment costs.

This invention discloses a dynamic monitoring system for sediment plumes in deep-sea mining areas and its multi-module fusion analysis method, belonging to the field of deep-sea environmental monitoring and marine engineering technology. The system includes fixed and mobile monitoring units. The fixed unit consists of an in-situ optical and three-dimensional sonar observation base station, a sediment trap array, and a multi-parameter sensor array, deployed in the mining area. The mobile unit includes an AUV equipped with a multispectral lidar and an ROV equipped with a binocular vision system and a miniature sampler. The analysis method uses multi-source data fusion, combined with dark channel defogging and pyramid optical flow method to extract the plume motion field, constructing a physics-data dual-driven model to simulate the plume diffusion and sedimentation process, generating a three-dimensional dynamic heat map in real time, and setting intelligent early warning thresholds based on diffusion radius and sedimentation flux. This invention achieves multi-scale, high-precision, and real-time dynamic monitoring and evaluation of plumes, effectively supporting the optimization of deep-sea mining operations and environmental compliance supervision.

The utility model discloses equipment for settling ammonium sulfate, which comprises a shell, a feeding hole and a discharging hole are arranged on the shell, a spiral channel is arranged at the top in the shell, and an air suction pipe is arranged in the shell; a flow guide plate is arranged in the shell, a motor is fixedly connected to the side surface of the shell, a first main shaft is rotatably connected to the output end of the motor, a first connecting ring is fixedly connected to the other end of the first main shaft, a connecting protruding rod is fixedly connected to the side portion of the first connecting ring, and an impact ring is arranged on the connecting protruding rod. According to the device, the spiral channel, the guide plate, the connecting convex rod and the impact ring are matched, so that the generation of bubbles is effectively reduced, the descending speed of an ammonium sulfate solution is reduced, the ammonium sulfate solution is slowly precipitated to the bottom, the impact ring continuously impacts the bottom, residual bubbles can be effectively vibrated out, the precipitation effect is improved, and the precipitation process is ensured to be smoother.

This application specifically relates to a zero-discharge treatment process for fluoride-containing wastewater. The process is as follows: In the pretreatment stage, a three-stage reaction sedimentation process is employed. First, the pH is adjusted and calcium salts are added for initial fluoride removal via coagulation sedimentation. Then, a second stage of coagulation sedimentation is performed, adding a composite defluorinating agent for deeper fluoride removal. Finally, a third stage of hardness removal is conducted, adding sodium carbonate and sodium hydroxide to remove hardness and adjust the pH. In the softening stage, the pretreated effluent undergoes sand filtration and resin exchange softening treatment sequentially to further purify the water. In the membrane concentration stage, after ultrafiltration, the effluent enters a two-stage reverse osmosis system. The desalinated water is directly reused, while the concentrated water is further concentrated. In the evaporation and crystallization stage, the reverse osmosis concentrate is introduced into an MVR evaporation and crystallization system to obtain crystalline salts. The evaporated desalinated water is simultaneously reused, achieving zero wastewater discharge. This application reduces the risk of membrane scaling through dual protection, achieves a total system recovery rate exceeding 99%, and the MVR system is more energy-efficient than traditional processes. Fully automated control improves operational stability and enables efficient sludge dewatering.

The invention relates to a sludge settlement detection method, system and device based on intelligent image analysis, and the method comprises the steps: regularly taking out uniform activated sludge, placing the sludge in a 1000mL measuring cylinder, and carrying out the stirring and uniform mixing through an adjustable magnetic stirrer according to preset parameters; the camera equipment collects image information and videos of the sludge sedimentation process in the measuring cylinder and transmits the image information and the videos to the local analysis system in real time, and the local analysis system processes and analyzes the image information and the videos to generate preliminary analysis data. The analysis cloud platform system performs calibration analysis by combining the preliminary analysis data and daily operation data of the sewage plant, generates a comprehensive analysis report and early warning information and feeds back the comprehensive analysis report and the early warning information to the local analysis system, and if the early warning information is abnormal early warning, the local analysis system triggers an equipment early warning mechanism after receiving the early warning information; and the abnormal state information is transmitted back to the analysis cloud platform system for recording and archiving.

The invention discloses a method for automatically classifying and identifying the types of floating objects in a coagulating sedimentation process section, and the method comprises the steps: carrying out the preprocessing of an obtained image of the floating objects in the coagulating sedimentation process section of a water supply plant, and carrying out the white balance correction and noise reduction preprocessing; taking the preprocessed floating object image as an input, and constructing an illumination invariant feature channel; constructing a multi-source feature extraction library based on the illumination invariant feature channel; in the multi-source feature extraction library, establishing a corresponding feature sub-library according to an apparent scene of the preprocessed floating object image; and according to the floating object shooting condition, selecting the feature sub-library meeting the floating object shooting condition, and adopting a support vector machine classification model to automatically classify and identify the type of the floating object. According to the method, the dependence on manual inspection can be reduced, the timeliness of floater event discovery and the consistency of type judgment results are improved, and decision support is provided for control of floaters in the process section.

This invention discloses a testing system and method for analyzing the sedimentation characteristics and laws of liquid-solid two-phase energetic materials, belonging to the technical field of liquid-solid two-phase flow transport and particle sedimentation testing. The system includes a power system, a control system, observation pipelines, and a monitoring system. A circulating transport loop is formed through a stirring tank, a wear-resistant pump, and a return pipeline. Real-time acquisition and analysis of the particle sedimentation process and flow field state are achieved through a transparent observation tube, a high-frequency laser generator, a CMOS camera, a synchronizer, and a computer data acquisition and processing system. The transparent observation tube adopts a nested structure of an inner circular tube and an outer square tube, and optical distortion is eliminated through liquid injection. The system can also monitor the solid content and automatically replenish the material through a pressure sensor and a solid particle feeding bin. This invention enables continuous, high-precision, and low-distortion observation of the sedimentation process of liquid-solid two-phase energetic materials.

The invention relates to the technical field of wastewater treatment, in particular to quartz sand production wastewater multistage treatment equipment which comprises a recycling frame, a discharging shaft is rotationally connected to the recycling frame, a recycling box is fixedly connected to the discharging shaft and used for receiving wastewater to be treated, and a plurality of recycling barrels are rotationally connected to the lower side of the interior of the recycling box. A sand inlet allowing precipitated quartz sand to enter is formed in the annular side wall of the recycling barrel, the end, extending out of the recycling box, of the recycling barrel is an open sand discharging opening, an anti-leakage plate used for blocking the sand discharging opening to prevent waste water from flowing out is arranged on the outer wall of the recycling box, and a decomposition mechanism is arranged in the recycling box; and the decomposing mechanism is used for stirring the wastewater in the recycling box to impact the quartz sand in the settling process. According to the equipment, in the process that waste water is injected into the recycling box, the waste water can fluctuate through rotation of the rotating disc and the blades, mud particles in muddy water can be prevented from precipitating, and the fluctuating waste water can be used for impacting the surface of quartz sand in the settling process.

The application provides an ultrasonic detection waterway flushing control method and system, comprising: obtaining real-time air pressure impact data and dirt suspension distribution images from the inside of the pipeline through a sensor to obtain initial indicators of the suspension state; using a particle tracking algorithm to analyze the motion trajectory of dirt particles after the air impact stage according to the initial indicators of the suspension state to determine the speed distribution of the sedimentation process; obtaining pipeline condition parameters including material type and slope angle, fusing these parameters from the initial value of the intermittent time to determine the optimized value of the intermittent time after dynamic adjustment; using a genetic algorithm to iteratively verify the optimized value of the intermittent time to obtain the final waiting intermittent setting according to the degree of dirt peeling and the risk of re-solidification; and transmitting the final waiting intermittent setting to the water flushing start mechanism through a control module at the end of the air impact to determine the execution sequence of automatic setting.

The invention relates to the technical field of flow cytometers, and discloses a flow cytometer convenient for liquid supplementation, which comprises a body, the side surface of the body is fixedly connected with a liquid adding box body, the right side of the liquid adding box body is communicated with a liquid inlet pipe, the back of the liquid adding box body is provided with a first conveying pipe, the body is internally provided with a shaking mechanism, and the shaking mechanism is internally provided with a second conveying pipe. The uniform shaking mechanism comprises a motor, the motor is fixedly connected to the bottom of the body, and intermittent rotation of a placing disc can be realized through transmission of a notch disc, a fixed rod and a rectangular disc, so that starting of next-time uniform mixing is realized, and a shearing force is suddenly applied from a static state. The instant impact from static to dynamic is more effective than continuous mild vortexes for cell agglomerates which are scattered at the bottom of the tube and just start to gather or adhere to the wall. The settling process is equivalent to resetting the settling process again and again, and the settling process is collapsed with the maximum force during resetting each time.

The invention discloses a coagulative precipitation process effect estimation method based on alumen ustum target recognition, which comprises the following steps: image acquisition: installing a high-definition underwater camera in a coagulation reaction tank, and acquiring a video image of alumen ustum; data alignment and preprocessing: aligning the collected alumen ustum video image with online flow water quality instrument data, and preprocessing the video image; extracting alumen ustum features including morphological features, motion features and fractal dimensions; constructing a data set: forming a training data set by the extracted alumen ustum characteristic data and online flow water quality instrument data, monitoring process effect indexes such as effluent turbidity of a sedimentation tank, and taking the process effect indexes as labels of the data set; and a multi-modal deep learning model: adopting a double-branch multi-modal deep learning model. According to the invention, the effect of the coagulating sedimentation process can be accurately estimated in real time, the risk that the adding amount of a coagulant is not adjusted in time is reduced, the water quality stability of effluent of a sedimentation tank is improved, and meanwhile, the backwashing frequency and economic cost of a filter tank can be reduced.

This invention relates to the field of water treatment technology and provides a high-speed micro-sand sedimentation process device with sludge thickening function. It includes a coagulation tank, a sand injection tank, a flocculation tank, and a sedimentation tank. It also includes a reflux system: an internal reflux system comprising an internal reflux pipe with its opening at the bottom of the sedimentation tank, and a micro-sand reflux pump and a hydrocyclone connected to the internal reflux pipe; and an external reflux system comprising an external reflux pipe with a distribution trough and a micro-sand reflux pump connected to it, the micro-sand reflux pump being located on one side of the sedimentation tank. This invention fully utilizes the ballast effect of the micro-sand, causing the formed suspended solid flocs to settle rapidly. Through the external reflux system, some of the discharged sludge is reintroduced into the internal reflux system to achieve sludge thickening, greatly reducing the amount of sludge discharged from the entire system and significantly increasing the sludge concentration. This results in high sludge concentration, good effluent quality, small footprint, and low power consumption.

This utility model relates to the field of water conservancy equipment technology, and more particularly to a rapid sedimentation device for water utilization. This utility model provides a rapid sedimentation device for water utilization that can aerate the inner wall of the treatment tank during the sedimentation process, preventing sediment from adhering to the inner wall. The rapid sedimentation device for water utilization includes support legs, a sand discharge pipe, and a treatment tank. Support legs are connected to the lower sides of the front, back, left, and right sides of the treatment tank, and a sand discharge pipe is connected to the lower side of the middle part of the treatment tank. This utility model achieves aeration of the inner wall of the treatment tank during the sedimentation process by using an external pump connected to an air pipe to inject gas into the treatment tank through a jet nozzle, thus preventing sediment from adhering to the inner wall.

The application discloses an ozone / perphosphate-based oxidation pretreatment method and application thereof, and the method comprises the following steps: adding ozone and perphosphate into a drinking water source, the ozone dosage is 2.0-5.0 mg / L, the perphosphate dosage is 5.0-10.0 mg / L; reacting for 5-10 minutes; and removing the end product phosphate through a coagulation and sedimentation process. When the initial concentration of an odor substance in water is less than or equal to 100 ng / L, the method can reduce the odor substance to below the odor threshold, and has no influence on water quality parameters such as total organic carbon and color. In the application, the end product of ozone oxidation is oxygen, and the end product of perphosphate is phosphate, which can be effectively removed through a subsequent conventional water treatment process (coagulation and sedimentation). The application has the advantages of simple operation, low cost, environmental friendliness and the like, and is suitable for pretreatment of various drinking water sources such as surface water and underground water.

The invention relates to the technical field of sewage treatment, and discloses an oxidation treatment line waste liquid recycling system which comprises a wastewater treatment device and an oxidation recovery device, the wastewater treatment device communicates with the oxidation recovery device through a connecting pipe, and a motor is fixedly connected to the outer wall of the wastewater treatment device. A stirring mechanism is arranged in the wastewater treatment device, the stirring mechanism comprises a first baffle, the outer wall of the first baffle is fixedly connected with the output end of a motor and used for driving the first baffle to rotate on the inner wall of the wastewater treatment device, and a second feeding plate is fixedly connected to the inner wall of the first baffle and is spiral. Wastewater is stirred through the stirring mechanism, the flowing distance of the wastewater is increased, the precipitation time of precipitates in the wastewater is prolonged, meanwhile, the precipitates are fed, the precipitates are prevented from being accumulated in the precipitation process of the wastewater, the precipitation volume of the wastewater is prevented from being influenced, and the precipitation treatment efficiency of the wastewater is improved.

This invention discloses a vertical flow coagulation-flotation integrated device and a method for treating operational wastewater. The device includes a primary dissolved air pump, a tubular reactor, a reaction cylinder component, and a secondary dissolved air pump. The tubular reactor is equipped with a wastewater inlet, a wastewater outlet, and a reactor dissolved air / water inlet. The primary dissolved air pump is connected to the reactor dissolved air / water inlet, the wastewater outlet is connected to the reaction cylinder component, and the reaction cylinder component is connected to the secondary dissolved air pump. This invention employs a dual-stage dissolved air pump multi-point cascade release technology, enhancing the treatment effect on suspended solids and polymers in operational wastewater through multi-stage reactions. This invention integrates multi-flow flocculation, microbubble cascade release, and laminar flow sedimentation processes into a single device, forming a short-process combined process, reducing device size and floor space.

The application relates to a particle rendering method and system for simulating deep-sea sea snow sedimentation. The method comprises the following steps: dividing a three-dimensional scene space into a plurality of uniform grid units, constructing a sea snow particle model containing multi-attribute characteristics, synchronously driving a particle motion process and a biochemical process simulation containing aggregation, decomposition and feeding mechanism based on three-dimensional marine environment field data, updating and solving the particle state by using parallel computing, and performing three-dimensional scene rendering and simulating optical special effects in a deep-sea environment based on the updated particle state. The method can efficiently and accurately simulate the deep-sea sea snow sedimentation process, and significantly improves the accuracy and authenticity of sea snow sedimentation visualization.