182 results about "Sedimentation process" patented technology

The invention relates to the technical field of blood separation, in particular to a platelet concentration-based gravity separation system, which comprises a tension disturbance extraction module, a viscosity response positioning module, a sedimentation retarding judgment module, a platelet export judgment module and a concentration layer interface output module. According to the method, real-time extraction of tension change frequency and mutation amplitude is introduced, and a normalization processing mode of disturbance polymerization indexes is combined, so that a mechanical unstable area under tiny disturbance in the blood standing sedimentation process is effectively described, and the sensitive recognition capability on potential layered behavior changes is enhanced. Through continuous tracking of a viscosity behavior curve in a disturbance time period, an accurate time anchor point is provided for judgment of a subsequent liquid column motion state. On the basis of microscopic changes of the liquid column height and the rate, through combined judgment of the acceleration change trend and the attenuation amplitude, the settlement state is distinguished no longer depending on a macroscopic parameter threshold value, but is dynamically regulated and controlled through the change trend and a fluctuation sequence.

The utility model discloses a sewage treatment sludge discharge device with a stirring mechanism, which comprises a top platform, a stirring adjusting component and a self-cleaning component, a support frame is arranged at the top of the top platform, and adjusting motors in the stirring adjusting component are symmetrically arranged at the top of the support frame. A stirring mechanism of the device is composed of a stirring motor, a conveying strip and a stirring frame, the stirring frame is driven by the stirring motor to rotate, a flocculation agent added by a feeding pump is more rapidly mixed in a water body, meanwhile, the position of the stirring frame is adjusted in cooperation with a stirring adjusting assembly, the mixing speed of stirring is increased, the flocculation and sedimentation process is accelerated, and the flocculation and sedimentation efficiency is improved. The sewage treatment efficiency of the device is improved; colloidal particles are condensed into large particles, the large particles settle to the bottom of the water body and become sludge which can be accumulated at the bottom end of the interior of the treatment shell, the deposited sludge is scraped into the sewage draining exit through the self-cleaning assembly to be discharged, the automatic sludge discharging effect is achieved, manual participation in the sludge discharging process is not needed, and the practicability of the device is improved.

The invention relates to the technical field of risk assessment, and discloses an atmospheric environment risk assessment method for a harbor dangerous cargo container yard, which considers a real-time meteorological data set and obtains pollutant concentration by using a diffusion model, and on the basis, not only considers correction factors of meteorological conditions and performs primary optimization on the pollutant concentration, but also improves the risk assessment efficiency of the harbor dangerous cargo container yard. The dry sedimentation rate and the wet sedimentation rate are also considered, and secondary optimization is carried out on the primary optimization pollutant concentration to obtain the maximum pollutant concentration. Firstly, through the use of a dynamic meteorological data set, the influence of short-term meteorological changes on pollutant diffusion can be captured, it is ensured that a prediction result better conforms to the actual situation, and especially under the accident situation, a static model cannot capture the changes. Secondly, the dry sedimentation process and the wet sedimentation process are comprehensively considered, so that the model can more accurately simulate the behavior that pollutants settle to the ground from the atmosphere, especially the cumulative effect of particulate matter and gaseous pollutants and the potential influence on soil and water.

The present invention relates to an intelligent control method for coal slurry water concentration and dosing, which belongs to the field of intelligent control and includes the following steps: (a) collecting various parameters of the sedimentation process of the concentration tank; (b) preprocessing and feature engineering the collected data; (c) analyzing the correlation between the process parameters of the concentration tank and the sedimentation index, and calculating the maximum information coefficient between the variables through the MINE algorithm; (d) constructing a multi-algorithm prediction meta-model, and obtaining the optimal model weight combination through model fusion; (e) according to the real-time process parameters of the concentration tank and the height of the clear water layer and the overflow turbidity at the current moment, on the basis of the prediction meta-model, establishing an optimization model based on a genetic algorithm, and automatically adjusting the dosing frequency of the concentration tank under the premise of meeting the process parameter control index. The advantages of the present invention are: comprehensively considering the control conditions of the history and current period of the concentration tank, according to the model trained by historical data, the automatic control of the dosing system of the concentration tank is realized, and the dosing control operation can be timely and accurate.

The invention discloses a flocculent precipitation electroplating wastewater recovery device, which relates to the technical field of wastewater treatment, and comprises a wastewater treatment tank body, through the arrangement of the upper blocking plate and the lower blocking plate, floc floating is avoided, a flocculating agent needs to be added in the flocculation process to promote pollutants to form floc, if the floc floats and is discharged along with supernate, the flocculating agent is taken away along with the floc, the flocculating agent can fully play a role, the dosage of the flocculating agent is reduced, and the cost is reduced. In addition, when the floc can be effectively gathered and settled instead of floating and losing, the whole flocculation and sedimentation process can be completed more quickly, the influence on the wastewater treatment efficiency is avoided, in addition, the flocculation process aims at removing pollutants in water, and if the floc floats into supernate and is discharged, the wastewater treatment efficiency is improved. And part of pollutants cannot be thoroughly removed, so that the effluent quality is influenced, and residues of pollutants such as suspended matters, organic matters and heavy metals in water can be reduced.

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 landfill leachate pretreatment equipment comprises a treatment barrel, a mounting plate is fixedly connected to the side wall of the treatment barrel, a coagulant storage tank and a variable pump are fixedly connected to the upper side of the mounting plate, and the input end and the output end of the variable pump are fixedly connected with a connecting pipe and a liquid supply pipe correspondingly; one end of the connecting pipe extends into the coagulant storage tank, one end of the liquid supply pipe penetrates through the side wall of the treatment barrel and extends into the treatment barrel, a fixing plate is fixedly connected to the side wall of the upper end of the treatment barrel, and a connecting plate is fixedly connected to the upper side of the fixing plate. According to the device, landfill leachate pretreatment processes such as impurity filtration, coagulating sedimentation and ammonia stripping can be completed in one device, the whole device is more convenient to place and assemble, and the pretreatment effect of the landfill leachate is improved by dynamically regulating and controlling the stripping process and the coagulating sedimentation process in the landfill leachate pretreatment.

The invention discloses a coal slime water sedimentation treatment method based on dynamic agent addition and intelligent monitoring. The method comprises the following steps: sample collection and pretreatment; pre-preparing a medicament and testing the suitability; adding a dynamic agent; the sedimentation process is optimized; real-time monitoring and feedback control are carried out; and treating after settling and recovering clear liquid. By monitoring the turbidity and the settling time of the slime water in real time and dynamically adjusting the dosage of the medicament, the problems of over-high medicament consumption and non-uniform settling effect caused by fixed medicament dosage in the prior art are effectively solved. And through precise medicament management, the medicament cost is remarkably reduced, and the resource utilization efficiency is improved. Through the design of the multi-stage sedimentation tank and the sectional sedimentation technology, the sedimentation efficiency is improved, the sedimentation space is fully utilized, the sedimentation time is shortened, and an excellent sedimentation effect is achieved. Due to the design of the multi-stage sedimentation tank, the flexibility and adaptability of the sedimentation process are enhanced, the device is suitable for different slime water characteristics, and the overall sedimentation efficiency is improved.

The invention relates to the technical field of intelligent sampling, in particular to an unmanned aerial vehicle water sediment intelligent sampling method and system based on rotational flow sorting, and the method comprises the following steps: collecting disturbance trajectory and rotational flow data, identifying a stable inlet, screening an alignment interval, executing screen mesh alignment, and generating a sampling record. According to the method, stable section calibration is formed by superposing wind speed direction fluctuation and rectifying plate track change, the screening range is locked to an alignment interval in combination with multi-parameter mapping of the rotating speed and the particle density, and the sediment movement state is captured in a layered mode in a deposition layer through a screen; a whole-process sampling sequence is constructed by a collaborative time sequence of rectification action and screen operation, so that real water disturbance characteristics can be dynamically extracted, sediment movement rules can be matched, the sampling trigger response accuracy is improved, and the screening alignment precision under multi-factor coupling is enhanced; the target section is accurately captured under the interlaced interference of the airflow disturbance and the particle settling process, and the particle layered structure is stably kept.

The invention discloses a mud throwing diffusion and deposition influence rapid calculation method based on an analytical model, and the method comprises the steps: collecting the data of a mud throwing project region, and carrying out the preprocessing, and obtaining the water depth data; constructing a mud throwing diffusion and deposition influence rapid calculation model based on a two-dimensional point source diffusion and sediment sedimentation equation, specifically comprising model establishment, grid division, terrain interpolation, source item processing, parameter selection and particle size classification; and through the constructed mud throwing diffusion and deposition influence rapid calculation model, the diffusion process of the sand content in the engineering area along with time and the mud throwing deposition process of the bottom bed in the engineering area are rapidly calculated under the conditions of given mud throwing volume and mud throwing duration, and the sand content change process and the bottom bed deposition form of the concerned point location are obtained. According to the method, the mud throwing influence can be rapidly calculated and evaluated, the mud throwing operation efficiency and accuracy are improved, and the method is suitable for being widely applied to actual operation.

The invention discloses a treatment device for wastewater containing refractory organic matters, and relates to the field of wastewater treatment. A treatment device for wastewater containing refractory organics comprises a treatment pond, the lower ends of the two sides of the treatment pond are communicated with a water inlet pipe and a water outlet pipe respectively, the treatment device further comprises a plurality of ultrasonic transducers installed at the lower end of the treatment pond at equal intervals, and the input ends of the ultrasonic transducers are electrically connected with the output end of an ultrasonic generator through cables; a large number of active substances such as hydroxyl radicals are generated in the sewage, and the treatability and the treatment efficiency of the wastewater are remarkably improved; the air bubbles generated by air injection are utilized to realize floating cleaning of sediment impurities, so that the tedious process of sludge cleaning by using a large sedimentation tank and complex sludge scraping equipment in the traditional sedimentation process is avoided, the complexity of manual intervention and equipment operation is reduced, and meanwhile, the energy consumption and the operation cost in the cleaning process are also reduced.

The invention discloses a method for leaching valuable elements in silicate rare earth ore, and belongs to the technical field of rare earth metallurgy. According to the method, the valuable elements in the rare earth concentrate are efficiently leached by adopting the processes of low-temperature sulfating intensified roasting, clinker hydrometallurgy, leached ore pulp flocculation and filter cake washing. The strengthened low-temperature sulfating roasting process avoids the problems of high energy consumption, serious equipment corrosion, low rare earth leaching rate and complex waste gas treatment (SO2 escape) of a traditional process, meanwhile, silicate rare earth ore decomposition is achieved, the effect of a back-end leaching process is remarkably improved, compared with an acid pickling process, the hydrometallurgy process reduces the acid consumption and the wastewater treatment difficulty, and the production cost is reduced. The leaching ore pulp flocculating settling process is beneficial for improving the industrial production efficiency, the filter cake washing process is beneficial for further improving the leaching rate of valuable elements, the silicate rare earth ore concentrate resources are utilized to the maximum extent on the premise of being environmentally friendly, and a technical path is provided for industrial utilization of silicate type rare earth ore.

The invention discloses a riverbed sediment particle analysis method and a related device, and relates to the technical field of hydraulic engineering and sediment testing.The method comprises the steps that firstly, the light intensity penetrating through a preset plane at each moment in a plurality of moments in the riverbed sediment sample sedimentation process is obtained; the preset plane is any one of the horizontal planes except the highest horizontal plane and the lowest horizontal plane in a sample container filled with the riverbed sediment uniformly-mixed suspension, riverbed sediment with different particle sizes in the riverbed sediment sample settles to the preset plane at different settling speeds, and for each particle size, based on the light intensity penetrating through the preset plane at each moment, the light intensity of the riverbed sediment in the riverbed sediment sample is calculated. Calculating to obtain the percentage of the sand weight smaller than the particle size, based on each particle size and the percentage of the sand weight smaller than the particle size, obtaining the grain composition and the grain composition curve, and further calculating the vertical line average grain composition, the section average grain composition and the section average particle size. According to the method, the particle analysis of the riverbed sediment can be accurately completed.

The invention relates to a preparation method and application of high-performance spinnable mesophase pitch based on a hydrogenation modification and segmented thermal sedimentation process, the preparation method comprises the following steps: mixing coal pitch and a hydrogenating agent according to a mass ratio of 1: 3-1: 4, and carrying out high-temperature and high-pressure hydrotreating at 350-450 DEG C to prepare hydrogenated pitch; heating the hydrogenated pitch to 390-420 DEG C in an inert atmosphere, keeping the temperature for 5-8 hours, and naturally cooling to obtain initial mesophase pitch containing an anisotropic phase; grinding the primary mesophase pitch, placing the ground primary mesophase pitch in a graded sedimentation device, preserving heat at 370-400 DEG C for 0.5-3 hours to enrich macromolecular components at the lower part, quickly cooling, and collecting a middle sample to obtain target mesophase pitch suitable for spinning; by accurately controlling the temperature, time and atmosphere, hydrogenation, phase change and graded enrichment of the pitch are realized, and finally the high-quality mesophase pitch for spinning is prepared.

The utility model belongs to the technical field of waste liquid treatment, and particularly relates to a waste liquid decrement treatment device of on-line detection equipment, which comprises a sedimentation tank and waste liquid separation decrement equipment of the on-line detection equipment, two fixing rods are fixedly connected to the top of the sedimentation tank; the two fixing rods are oppositely arranged; electric push rods are fixedly connected to the end parts of the two fixed rods; the output end of the electric push rod is fixedly connected with a first screen; a plurality of push rods are fixedly connected to the bottom of the first net plate; a collecting box is mounted at the bottom of the settling pond; the collection box is arranged in the sedimentation tank; a plurality of supporting rods are fixedly connected to the middle of the collecting box; a second screen is hinged to the middle of the supporting rod; every two second net plates are oppositely arranged; the push rod is arranged at the position corresponding to the second screen plate; a second net plate is opened under enough pressure, and precipitated suspended matters can be effectively collected, so that the efficiency of the precipitation process of the suspended matters in the waste liquid is effectively improved, liquid and the suspended matters in the waste liquid can be effectively separated through a collection box, and the amount reduction condition of the waste liquid can be monitored on line.

The present invention discloses a device and method for simulating the water flow and sedimentation process in a river channel in an arid area. The simulation device comprises an experimental water flume, a river channel simulation component, a first water tank, and a second water tank. At least one drainage outlet is provided at the downstream end of the experimental water flume. The river channel simulation component is arranged in the experimental water flume, and comprises a first simulation layer and a second simulation layer stacked in sequence in an up-down direction. The first simulation layer is paved with finely crushed walnut shells and has a channel with a water inlet near the upstream end and a water outlet near the downstream end. The second simulation layer is paved with gravel. The first water tank is filled with water and is connected to the water inlet of the channel through an inlet pipe. Part of the water flowing into the channel flows to the downstream end, and the other part seeps into the second simulation layer. The second water tank is connected to the drainage outlet of the experimental water flume through the outlet pipe. In this way, the process of the width and depth of a river channel in an arid area decreasing as it moves downstream can be simulated.

The invention discloses a suction anchor and a positioning mechanism thereof. The suction anchor comprises a barrel, a balancing weight, a limiting disc, a first inner pipe, a second inner pipe, a rotating plate, an elastic piece, a clamping piece, a communicating hose and a pull rope. A second inner pipe moving downwards enables a rotating plate to automatically clamp a limiting disc and drive a balancing weight to move upwards, after the balancing weight moves to a high height, the rotating plate makes contact with a T-shaped rod, the bottom of the rotating plate relieves clamping of the limiting disc, and therefore the balancing weight moves downwards, a positioning plate is knocked under the action of the balancing weight, the downward sedimentation process of the whole barrel is accelerated, and the service life of the barrel is prolonged. The injection efficiency is accelerated; meanwhile, an air pump is used for inflating through a communicating hose, so that the balancing weight quickly descends to impact the positioning plate, and the penetration efficiency is further enhanced; the balancing weight knocks the positioning plate under the action of downward movement of gravity and air pressure, on one hand, the barrel rapidly descends, on the other hand, the balancing weight knocks the inserting rod, the inserting rod goes deep into the seabed, and the positioning and stabilizing effect is improved.

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 invention discloses a cut-off plug gate production mold based on a coated sand process, comprising a first upper mold and a first lower mold, the first upper mold is provided with a vent hole and an ejection hole, the vent hole is provided with an exhaust plug, and the ejection hole is provided with an ejection rod; a middle casting molding groove and a side casting molding groove, the first lower mold is provided with a first give-way groove and a second give-way groove, the first give-way groove is provided with a first lower half sand-shooting hole, and the second give-way groove is provided with a second lower half sand-shooting hole; a middle casting molding protrusion and a side casting molding protrusion, the first upper mold is provided with a first mate and a second mate, the first mate is provided with a first upper half sand-shooting hole, and the second mate is provided with a second upper half sand-shooting hole; a semi-casting protrusion is provided at the bottom of the middle casting molding groove, semi-casting convex strips are provided on both sides of the semi-casting protrusion, and a casting port column is provided on the semi-casting convex strip. The invention can improve production efficiency.

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 present invention discloses a deep-sea mining plume treatment device and method based on bottom suction flocculation, which includes a bottom suction flocculation tank, a pump suction transfer tank, a spiral bottom suction unit, a primary flocculation spraying unit, a secondary flocculation spraying unit and a control system. The interior of the bottom suction flocculation tank is divided into a flocculation chamber and a bottom suction chamber by a partition board. A plume suction port is arranged outside the bottom suction flocculation tank, and the plume suction port is communicated with the interior of the bottom suction chamber. The spiral bottom suction unit is arranged in the bottom suction flocculation tank, and the pump suction transfer tank is arranged at the upper rear of the bottom suction flocculation tank, and a suction pump is arranged at the upper part of the rear side thereof. The primary flocculation spraying unit includes a first flocculation storage tank and multiple groups of first nozzles, and the first nozzles are arranged at the bottom of the flocculation chamber. The secondary flocculation spraying unit includes a second flocculation storage tank and multiple flocculation spraying pipes, and two groups of second nozzles are arranged on each of the flocculation spraying pipes. The plume collection of the present invention is complete and sufficient, the flocculation and sedimentation processes are carried out continuously, the mixing is fully and evenly, the sedimentation efficiency is high, the generation of secondary plumes is avoided, and a better sedimentation effect is achieved.

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.

The invention discloses an antimony and manganese removal water treatment system and method based on feedforward-feedback control, and belongs to the technical field of water treatment. When the antimony concentration of inflow water is abnormal, pH pre-adjustment is carried out through an acid adding device before coagulation, after the pH is precisely reduced to a target value, an iron salt coagulant is added, antimony is removed through coagulation and precipitation procedures, the pH is adjusted back through an alkali adding device before filtration, and it is ensured that the effluent water reaches the standard. And when the manganese concentration of the settled water exceeds the standard, synchronous removal of manganese is realized by utilizing the adsorption effect of specific filter sand in the filter tank. According to the method, the detection device and the control system are integrated, the feed-forward-feedback mechanism is used for optimizing pH regulation and control and agent adding in real time, the problems that in a traditional method, pH control is difficult, low-concentration antimony removal is unstable, the manganese adsorption capacity is limited and the like are effectively solved under the condition that a process unit does not need to be newly added, cooperative, efficient and stable removal of antimony and manganese is achieved, and the method is suitable for large-scale industrial production. And the discharged water continuously meets the limit value requirements of the Sanitary Standard for Drinking Water.

The present invention discloses a flocculation and sedimentation device for recovering electroplating wastewater, which relates to the technical field of wastewater treatment and includes a wastewater treatment tank body; through the arrangement of the upper baffle plate and the lower baffle plate, the flocs are prevented from floating upward. In the flocculation process, a flocculant needs to be added to promote the formation of flocs from pollutants. If the flocs float upward and are discharged with the supernatant liquid, it means that the flocculant is also carried away. Avoiding this situation can make the flocculant play a more sufficient role, reduce the dosage of the flocculant, and thus reduce the treatment cost. In addition, when the flocs can effectively aggregate and settle instead of floating and being lost, the entire flocculation and sedimentation process can be completed faster, avoiding affecting the wastewater treatment efficiency. Additionally, the purpose of the flocculation process is to remove pollutants in the water. If the flocs float into the supernatant liquid and are discharged, it will cause some pollutants not to be completely removed, thus affecting the water quality of the effluent. Avoiding this situation can reduce the residues of pollutants such as suspended solids, organic matter, and heavy metals in the water.

The present invention relates to a method for classifying the genetic types of seepage barriers in deep-sea waterways, and belongs to the technical field of geological exploration for oil and gas field development. The present invention discloses a method for classifying the genetic types of seepage barriers in deep-sea waterways, comprising obtaining the sedimentation process, scale, lithology, distribution location, and gravity flow genetic type of the deep-sea waterway; classifying the genetic types of the seepage barriers in the deep-sea waterway into landslide-induced seepage barriers, debris flow-induced seepage barriers, low-density turbidite-induced seepage barriers, and semi-pelagic sediment-induced seepage barriers based on the gravity flow genetic type of the deep-sea waterway; and further finely classifying the genetic types of the seepage barriers in combination with the lithology, scale, distribution location, and sedimentation process of the seepage barriers. The present invention fills the gap in the classification scheme of the genetic types of seepage barriers within deep-sea waterways, thereby providing important geological basis and guidance for the evaluation of the continuity and connectivity within the reservoirs of deep-sea waterways.

The invention discloses a solar-driven two-stage regulating reservoir and two-stage coagulating sedimentation device and a method thereof, and belongs to the technical field of water treatment. The device comprises a first-stage regulating tank, the output end of the first-stage regulating tank is connected with a first-stage coagulating tank, and the output end of the first-stage coagulating tank is connected with a first-stage sedimentation tank; the output end of the primary sedimentation tank is provided with a secondary regulating tank, the output end of the secondary regulating tank is connected with a secondary coagulating tank, the output end of the secondary coagulating tank is connected with a secondary sedimentation tank, and the output end of the secondary sedimentation tank is connected with a water outlet tank. According to the invention, two-stage regulation and two-stage coagulation devices are integrated, pollutants such as SS, hardness, fluorine-containing wastewater and the like are removed at the same time, the solar driving system completely provides electric energy for the regulation and coagulation sedimentation system, and the operation cost is reduced. The problems that in the prior art, an adjusting tank and a two-stage coagulating sedimentation process are large in occupied area and large in electric energy consumption can be solved, and the sewage treatment efficiency is further improved.

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.

The utility model relates to energy-saving and consumption-reducing equipment for a sewage treatment plant, which comprises a bracket arranged in a sedimentation tank; the rotating disc is rotationally arranged on the support, the rotating disc is provided with a plurality of abutting protrusions, and the abutting protrusions are circumferentially arranged on the rotating disc at intervals; the material storage box is arranged on the bracket, and the material storage box is used for storing a flocculating agent; the sliding plate is arranged on the material storage box in a sliding mode, the material storage box is provided with an abutting protrusion, the sliding plate is used for opening or closing the opening after sliding on the material storage box, the sliding plate is provided with an abutting end, and after the rotating disc rotates on the support, the abutting protrusion is used for abutting against or not abutting against the abutting end. The flocculating agent adding device has the advantages that the problems that in the prior art, stirring needs to be conducted for a long time after flocculating agents are added, certain mechanical equipment needs to be adopted for adding the flocculating agents, and consequently the energy consumption in the sewage treatment and sedimentation process is large are solved.

This invention relates to the field of car wash water treatment technology. The invention provides a car wash water treatment device, comprising a wash bay, a sedimentation tank, a wastewater tank, a cyclone separator, and a clear water tank. The wash bay is used to accommodate cars, wash and clean them, and collect the wash water. The sedimentation tank is connected to the wash bay and is used to accommodate the wash water discharged from the wash bay and to settle impurities in the wash water. The sedimentation tank has an overflow outlet. The wastewater tank is connected to the overflow outlet of the sedimentation tank and can accommodate the wash water overflowing from the overflow outlet. The cyclone separator is connected between the wastewater tank and the clear water tank, and can separate the wash water in the wastewater tank into clear water and transport the clear water to the clear water tank. This technical solution solves the technical problems of poor water purification effect and high energy consumption in the sedimentation process of related car wash water treatment devices.

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.