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16676results about "Specific water treatment objectives" patented technology

Intelligent sewage treatment process optimization method and system

The invention provides an intelligent sewage treatment process optimization method and system. The method comprises the following steps: continuously collecting the flux attenuation rate, transmembrane pressure difference and pollutant spectrum data of a ceramic membrane, carrying out time sequence analysis, constructing a pollution accumulation dynamic model, and predicting a critical threshold value; when a threshold value is reached, triggering an ultrasonic cavitation device, adjusting high-frequency vibration to generate a microbubble group, stripping pollutants by utilizing shock waves, and calculating membrane flux recovery data; fusing the spectral data and the recovery data to extract an actual pollution stripping efficiency value, and comparing a theoretical value to obtain a difference proportion; if the actual value is lower than the theoretical value, the cleaning period is shortened, the fluid pressure is increased to strengthen the stripping effect, and meanwhile, dynamic model parameters are reversely corrected based on the pressure adjustment amplitude to form closed-loop regulation and control. According to the invention, intelligent prediction, self-adaptive cleaning and closed-loop optimization of ceramic membrane pollution are realized, the sewage filtering efficiency is improved, and the energy consumption and cleaning cost are reduced.
Owner:ZIBO HUAQING INFORMATION TECH SERVICE CO LTD

Jet aerator with low energy consumption and high oxygenation efficiency

The invention discloses a jet aerator with low energy consumption and high oxygenation efficiency. The jet aerator comprises a Venturi tube and a quick-pass rhombic tube which are of a split structure, multi-rod supports are installed on the inner wall faces of round pipes at the two ends of the venturi pipe and support tail hook bionic stirring blades, a double-end reverse screw is arranged in the venturi pipe, one end of a quick-pass rhombic pipe is connected with the venturi pipe, the other end of the quick-pass rhombic pipe extends into an air suction chamber, and the upper portion of the air suction chamber is connected with an air supply pipe. The end, away from the Venturi tube, of the air suction chamber is connected with a mixing cavity tube, the mixing cavity tube is connected with the front end of a throat tube, a divergent wing-like blade set and a special-shaped taper hole plate are arranged in the mixing cavity tube, and a grid tray scattering nozzle is arranged in the throat tube; compared with a circular pipeline, the quick-passing rhombic pipe can provide higher water conveying capacity; the gradual change spiral body design on the double-end reverse screw can generate vortexes and turbulent flows, the turbulent flow intensity of water flow is improved, the mixing and diffusion capacity of the water flow is improved, and therefore the oxygenation efficiency is improved.
Owner:SHAANXI UNIV OF SCI & TECH

Disinfection Lamp with Underwater Light Projection Effect

Disclosed is a disinfection lamp with an underwater light projection effect, comprising an upper lampshade, a lower lampshade, a lens lampshade and a tube for containing sustained release chlorine tablets, wherein a circuit board and a battery are arranged on the lens lampshade, a solar panel is mounted on the surface of the upper lampshade, a first light bead is arranged on the lower surface of the circuit board, a light diffuser is arranged at a position, corresponding to the first light bead, of a bottom of the lens lampshade, the first light bead is located in the light diffuser, and the lower lampshade is mounted at the bottom of the lens lampshade. The disinfection lamp can float on water, and the tube containing the sustained release chlorine tablets is immersed in water, such that a conventional water purification, sterilization and disinfection effect is realized.
Owner:SHEN ZHEN LAMHO PHOTOELECTRICITY & TECH CO LTD

Floating thermometer with disinfection device

A floating thermometer with a disinfection device includes a shell, a temperature sensing device and a display device. An upper part of the shell is provided with a sealed first accommodating chamber, first accommodating chamber is arranged with a control device. A lower part of the shell is provided with a second accommodating chamber and a first through hole connected to the second accommodating chamber. The temperature sensing device is located on surface of the shell and electrically connected to the control device. The temperature sensing device is configured to be immersed in water to detect water temperature, generate an electrical signal, and transmit the electrical signal to the control device. The display device is located on upper surface of the shell and electrically connected to the control device. The control device receives the electrical signal and controls the display device to show temperature.
Owner:SHENZHEN ZHAOFU TECHNOLOGY CO LTD

Sewage treatment system based on aerobic granular sludge

A sewage treatment system based on aerobic granular sludge is disclosed, which includes a sewage treatment tank (1), a water distribution and aeration integrated mechanism and a water distribution and aeration switching control mechanism. The sewage treatment tank (1) includes a tank body (11), a top cover (13) is fixedly connected to a top opening of the tank body (11), and a clear water overflow port is arranged at a top side of the tank body (11). The water distribution and aeration integrated mechanism includes a first slip ring (21), a limit water retaining sleeve (220) is fixedly connected to an inner bottom of the tank body (11) through a water retaining sleeve mounting assembly, and a mixing section (212) of a water distributor body is vertically and slidably connected in the limit water retaining sleeve (220).
Owner:BEIJING ENTERPRISES ENVIRONMENTAL PROTECTION EQUIPMENT GUANGDONG CO LTD

Preparation method and application of red mud-enhanced magnetic straw biochar material

A preparation method and application of a red mud-enhanced magnetic straw biochar material includes the following steps of: naturally air-drying or artificial drying straws, and crushing the dried straws; drying red mud from Bayer process, and crushing the red mud into powder; then mixing the crushed straws and the powdery red mud by ball milling to prepare straw-red mud mixed powder; mixing water and biomass ash rich in alkali, and extracting the mixture to obtain a biomass ash extracting solution and dealkalized biomass ash solid residues; and uniformly mixing and stirring the straw-red mud mixed powder and the biomass ash extracting solution to obtain a pasty mixture, carrying out co-pyrolysis on the pasty mixture under a protective atmosphere, and washing magnetic straw biochar produced by co-pyrolysis with water until the magnetic straw biochar is neutral to obtain the red mud enhanced magnetic straw biochar material.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

MABR (Membrane Aerated Baffled Reactor) sewage treatment device

The invention relates to the technical field of sewage treatment, and discloses an MABR (Membrane Aerated Baffled Reactor) sewage treatment device which comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are fixedly connected through a connecting frame, a membrane wire group is mounted between the upper bracket and the lower bracket, the interior of the lower bracket is hollow, and the interior of the lower bracket is communicated with the membrane wire group; the top of the lower support fixedly communicates with a Y-shaped air inlet pipe, and a stirring assembly is arranged on the back face of the lower support. The stirring assembly comprises a gas collecting frame fixed to the back face of the lower support through a support. According to the sewage treatment device for the MABR membrane bioreactor, the driving assembly mounted on the drainage pipe can be used for rotating and driving the plurality of aeration pipes, so that sewage can be stirred in a large range, the contact area of water and a biological membrane on the outer side of the membrane wire group is increased, and meanwhile, an auxiliary oxygen supply effect is also achieved, so that the reaction efficiency is enhanced; and the washing assembly can be matched to wash and clean the membrane filament group, so that the practicability of the equipment is improved.
Owner:HEBEI YUCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Sewage AI intelligent management and control system based on neural network algorithm

The invention provides a sewage AI intelligent management and control system based on a neural network algorithm, which comprises multi-source data acquisition units, an algorithm processing unit and an execution feedback unit, and is characterized in that the multi-source data acquisition units are deployed at a water inlet and a water outlet of a sewage treatment assembly line and in a biological reaction tank; comprising a fast parameter detection array composed of a pH sensor, a conductivity sensor, a dissolved oxygen sensor, a turbidity sensor, a temperature sensor and an ORP sensor. The process state monitoring group consists of an aeration equipment rotating speed sensor, a reflux pump flowmeter and a sludge concentration meter; the fast parameter detection array and the process state detection group are connected with the edge computing node through an industrial bus, perform sliding window mean filtering preprocessing on original data, generate regulation and control instructions of aeration rate, reflux ratio and sludge discharge frequency through model calculation, and send the regulation and control instructions to the execution unit; the complete refined AI intelligent control sewage treatment system based on the neural network algorithm is realized.
Owner:BEIJING SHUANGCHENG SHIJI TECH CO LTD

Sewage low-carbon treatment system based on electrochemistry and biochar

The invention relates to the technical field of sewage discharge treatment, and discloses a sewage low-carbon treatment system based on electrochemistry and biochar, which comprises a deep treatment filter tank, an electrochemical nitrogen and phosphorus removal device, a biochar adsorption and filtration module, an intelligent control and operation and maintenance system, a slow-release agent regulation and control module and a low-carbon and resource recycling system, the advanced treatment filter tank is used for filtering sewage impurities and particles, adsorbing and removing organic matters, reducing the content of nitrogen and phosphorus nutrient substances and adapting to the change of water quality and water quantity; the electrochemical nitrogen and phosphorus removal device is used for carrying out electrochemical reaction to remove nitrate, phosphate and fluorine ions. According to the invention, the electrochemical active reaction is combined with charcoal adsorption filtration, so that the technology greatly improves the sewage treatment efficiency, especially shows a higher removal rate when treating complex pollutants, can meet higher water quality standard requirements, and effectively overcomes the difficulty that the traditional treatment technology is difficult to remove multi-element pollutants.
Owner:QINGDAO WATER GRP

Pickling waste liquid recycling system and recycling method

The invention discloses a pickling waste liquid recycling system and recycling method, and relates to the technical field of industrial wastewater treatment, the pickling waste liquid recycling system comprises: a treatment unit for respectively detecting the concentration of each heavy metal ion in pickling waste liquid, respectively adding corresponding chelating resin into the pickling waste liquid according to each heavy metal ion concentration, and collecting to obtain recycled acid liquid; the monitoring unit is used for collecting the pH value and the conductivity data of the recycled acid liquor in real time, inputting the pH value, the conductivity data and the heavy metal ion concentration data as monitoring data into the control unit, and establishing a monitoring database; and the control unit is used for calculating optimal control parameters in real time based on the monitoring data in the monitoring database, automatically adjusting the processing unit according to the optimal control parameters, and conveying the recycled acid liquor to the pickling process for recycling. Through multi-parameter cooperative monitoring and intelligent self-adaptive control, precise detection, dynamic optimization treatment and efficient recycling of the heavy metal ions in the pickling waste liquid are realized.
Owner:HANGZHOU HUISHUI TECH CO LTD

Aerobic granular sludge integrated sewage treatment equipment

The invention relates to the technical field of sewage treatment, in particular to aerobic granular sludge integrated sewage treatment equipment which comprises an aerobic tank, and the aerobic tank comprises an outer tank body and an inner tank body; a turntable is rotationally mounted on the inner bottom surface of the inner tank body, and a plurality of groups of aeration mechanisms are also fixedly mounted on the turntable; the aeration mechanism comprises an aeration assembly, a dredging assembly is arranged on the aeration assembly, and a pressing assembly used in cooperation with the dredging assembly is arranged on the inner wall of the inner tank body; a driving mechanism is fixedly mounted on the top surface of the inner tank body and is in transmission connection with the periphery of the hollow shaft; a transmission assembly is arranged on the periphery of the hollow shaft and is in transmission connection with a plurality of floating foam cleaning assemblies. According to the sewage treatment device, the floating foam cleaning step can be transferred into the settling zone in the sewage treatment process, and cleaning is relatively easy. The dredging assembly is sequentially and periodically pressed by the pressing assembly, so that the aeration assembly is periodically and automatically dredged.
Owner:JINAN ZHIZE DEYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Steam distillation device, method and system

To provide a steam distillation system for producing clean water by purifying water.SOLUTION: A fluid steam distillation system is provided, the system comprises: a control system for controlling the fluid steam distillation device, the control system comprising, a release valve, a raw material flow controller for controlling a raw material flow rate valve, and a discharge level sensor connected to the release controller and the raw material flow rate controller. The discharge level sensor transmits a signal related to a discharge level to the discharge controller and the raw material flow rate controller which indicates the discharge level, the raw material flow rate controller drives the raw material flow rate valve on the basis of at least the discharge level sensor signal. The discharge controller drives the discharge valve on the basis of at least the discharge level sensor signal, and the discharge level and the raw material flow rate level are held by using the discharge level sensor signal as input.SELECTED DRAWING: Figure 75
Owner:デカ プロダクツ リミティド パートナーシップ

Disinfection lamp with underwater light projection effect

Disclosed is a disinfection lamp with an underwater light projection effect, comprising an upper lampshade, a lower lampshade, a lens lampshade and a tube for containing sustained release chlorine tablets, wherein a circuit board and a battery are arranged on the lens lampshade, a solar panel is mounted on the surface of the upper lampshade, a first light bead is arranged on the lower surface of the circuit board, a light diffuser is arranged at a position, corresponding to the first light bead, of a bottom of the lens lampshade, the first light bead is located in the light diffuser, and the lower lampshade is mounted at the bottom of the lens lampshade. The disinfection lamp can float on water, and the tube containing the sustained release chlorine tablets is immersed in water, such that a conventional water purification, sterilization and disinfection effect is realized.
Owner:SHEN ZHEN LAMHO PHOTOELECTRICITY & TECH CO LTD

Air supply type jet aerator with multi-hole air inlet and compression circulation and jet aeration method

The air supply type jet aerator comprises a water inlet pipe, one end of the water inlet pipe is connected with an air inlet unit through a first connecting pipe, and the end, away from the first connecting pipe, of the air inlet unit is connected with a second-stage mixing pipe through a second connecting pipe; the end, away from the second connecting pipe, of the second-stage mixing pipe is connected with a third-stage mixing pipe through a third connecting pipe, the end, away from the third connecting pipe, of the third-stage mixing pipe is connected with a spray head through a fourth connecting pipe, the inner wall of the water inlet pipe is connected with a loop assembly, and the inner wall of the second-stage mixing pipe is connected with a contraction unit. And the inner wall of the third-stage mixing pipe is connected with a turnover crushing mechanism. The invention also discloses a jet aeration method of the air supply type jet aerator with porous air inlet and compression circulation. The air supply type jet aerator solves the problem that the existing air supply type jet aerator is easy to cause sludge bulking.
Owner:SHAANXI UNIV OF SCI & TECH

Sewage treatment control process realized based on dynamic regulation and control of aeration and carbon source addition

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment control process based on dynamic regulation and control of aeration and carbon source addition, which comprises the following steps: acquiring microbial metabolism heat change data in real time; biochemical treatment: monitoring the dielectric constant of a water body and the Reynolds number of sewage flow in real time, and constructing a multi-parameter coupling regulation and control model and dynamically regulating and controlling the aeration rate in combination with microbial metabolism heat change data obtained in the pretreatment step; accurately adding the carbon source according to a calculation result of the carbon source demand prediction model; sewage subjected to biochemical treatment is subjected to ultrafiltration through a nanofiber membrane and then subjected to combined disinfection treatment through ultraviolet rays and ozone, treatment parameters are regulated and controlled in real time according to the membrane flux attenuation trend in the treatment process, and dynamic and accurate control over sewage treatment is achieved. According to the method, the problem of energy consumption waste caused by excessive aeration or low degradation efficiency caused by insufficient aeration in a traditional process is solved, and accurate matching of dissolved oxygen supply and microbial requirements is realized.
Owner:SHANDONG XIANGMING SHUZHI IOT TECH CO LTD

Integrated rapid treatment system for nuclear medical radioactive wastewater and application method thereof

The present disclosure discloses an integrated rapid treatment system for nuclear medical radioactive wastewater and an application method thereof. This system includes a wastewater collection unit; a pretreatment unit; a deep purification unit; a solid decay unit; a buffer unit; an online monitoring unit; and a control unit, wherein the online monitoring unit includes a radioactivity level detection module for detecting total α and total β radioactivity concentrations of inlet and outlet water of a medium in each unit, and a real-time monitoring module for treatment process parameters. The present disclosure discloses an integrated rapid treatment system for nuclear medical radioactive wastewater and an application method thereof, which can efficiently and quickly purify multi-nuclide organic low-level wastewater produced by a nuclear medical process, and realize rapid online monitoring and automatic control at the same time.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Device for supplying greywater from a greywater producer to a greywater consumer and system for greywater use

Device (10) for supplying grey water (160) from a grey water producer (12) to a grey water consumer (500; 702), wherein the grey water producer (12) has a grey water outlet (14), wherein the device (10) has an inlet (16) which can be connected to the grey water outlet (14) and an outlet (18), characterized in that the device (10) also has, in addition to the outlet (18), a discharge connection (20) for discharging grey water (160) to the grey water consumer (500; 702).
Owner:SANITAERTECHNIK EISENBERG GMBH

Circulating water microbial community regulation and control method and system

The invention relates to a method and system for regulating and controlling microbial communities in a circulating water body, and the method comprises the steps: deploying a network composed of a plurality of water quality sensors which can collect various key parameters of the water body in real time and upload the key parameters to a cloud server; processing the collected data by using a big data analysis platform, identifying main factors influencing the development of the microbial community, training a predictive ecological model by using a machine learning algorithm, simulating the change trend of the microbial community in different scenes, evaluating the influence of the change trend on the water quality, and the like. A self-adaptive control theory is introduced, a closed-loop feedback system is constructed to optimize a microbial community structure and functional performance thereof, a small ecological environment most beneficial to survival and reproduction of target microorganisms is created, a targeted inhibition control strategy is implemented in the face of emergencies, the stability and safety of a water body ecological system are guaranteed, and the water body ecological system is protected. According to the method, the capability of dealing with emergency situations is improved, and the risk of environmental pollution is reduced.
Owner:ENERGY RES INST OF JIANGXI ACAD OF SCI

Electroplating wastewater treatment equipment based on multi-stage filtration

The invention relates to the technical field of electroplating wastewater treatment, in particular to electroplating wastewater treatment equipment based on multistage filtration. The invention provides electroplating wastewater treatment equipment based on multi-stage filtration, which can quickly and effectively separate and discharge wastewater and precipitates. Electroplating wastewater treatment equipment based on multi-stage filtration comprises a support, a connecting pipe, a spherical valve and the like, the connecting pipe is connected to the upper portion of the support, and the spherical valve is rotationally arranged on the upper portion of the connecting pipe. A servo motor is started, a rotating bin is rotated through a first gear assembly, electroplating wastewater enters a lifting bin to be discharged through a filtering bin under the centrifugal effect, sediment is intercepted in the filtering bin, then an air cylinder is started, the lifting bin is pushed to move upwards, the rotating bin is rotated, and the sediment is discharged into a sediment collecting pool; the effect of quickly and effectively separating and discharging the wastewater and the precipitate is achieved.
Owner:JINGJIANG HUASHENG HEAVY METAL PREVENTION & CONTROL CO LTD

Water environment ecological management method and system based on constructed wetland

The invention relates to the technical field of water environment treatment, in particular to a water environment ecological treatment method and system based on a constructed wetland, and the method comprises the following steps: measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value of a root zone in the constructed wetland, and calculating the pollutant concentration distribution value and plant root system distribution density of each monitoring point; and obtaining a water quality root distribution characterization value. In an artificial wetland environment, the concentration of dissolved oxygen, the concentration of ammonia nitrogen, the concentration of total phosphorus, the water temperature and the pH value of a root zone are measured, the concentration distribution of pollutants is calculated, numerical calculation is carried out in combination with the distribution density of plant root systems, water quality root system distribution characterization is constructed, spatial heterogeneity analysis of wetland water quality is enhanced, and the targeting of pollutant degradation is optimized. Based on water quality root system distribution characterization, plant growth cycle parameters are calculated in combination with water quality parameters, association between water quality dynamic changes and plant growth states is constructed, and the adaptability of wetland ecological regulation and control is improved.
Owner:ELECTRIC COMPREHENSIVE INVESTIGATION OF SURVEYING INST OF MINISTRY OF INFORMATION IND

Aquaculture wastewater purification device

The invention discloses a purification device for aquaculture wastewater, and relates to the technical field of wastewater purification. Comprising a box body as well as a physical filter tank and a biochemical bacterium culture tank which are arranged in the box body, and further comprises a microfiltration assembly arranged in the physical filter tank, the microfiltration assembly comprises a filter cartridge rotationally connected to the interior of the physical filter tank, a backwashing pipe is fixedly connected to the interior of the physical filter tank, and a sewage collecting tank is arranged in the filter cartridge; a cleaning assembly matched with backwashing to improve the cleaning effect of the filter cartridge is arranged in the filter cartridge, the cleaning assembly comprises a floating plate arranged in the filter cartridge, a connecting rod slidably penetrates through the floating plate, and the upper end of the connecting rod penetrates through the dirt collecting tank and is fixedly connected with a first cleaning brush; stubborn attachments such as mycoderm and caustic soda attached to the inner wall of the filter cartridge can be brushed off by utilizing the first cleaning brush, and the cleaning effect on the filter cartridge can be improved by matching with backwashing, so that the attachments on the inner wall of the filter cartridge can be massively washed off, the backwashing period is shortened, and the blockage probability of the filter cartridge is reduced.
Owner:FRESHWATER FISHERIES RES INST OF SHANDONG PROVINCE

Chemical wastewater advanced treatment system and method based on multistage membrane separation

The invention provides a chemical sewage advanced treatment system and method based on multistage membrane separation, and relates to the technical field of chemical sewage treatment.The method comprises the steps that pollution load data under preset membrane flux is collected, and the cascade reflux amount in the current membrane separation process is determined through the pollution load data and a real-time pressure index during membrane separation filtration; according to the separation interference deviation, the steady-state filtering period of the membrane separation filtering grade in the constant flux change is predicted, the steady-state filtering period is synchronously screened, and the full-flow separation limit of the multistage membrane separation unit in different pollution loads is obtained; and generating a separation regulation and control index when the equivalent flux generates peak offset according to the cascade reflux quantity and the full-flow separation limit, and performing starting point triggering on the treatment flow of the multistage membrane separation sewage and dirt. Under the dynamic working condition of operation of the multistage membrane separation system, balance adjustment can be carried out on the advanced treatment process trigger of the chemical sewage, so that the standard-reaching rate of membrane separation chemical sewage advanced treatment is increased.
Owner:ORDOS VOCATIONAL COLLEGE

Intelligent aeration system and control method

The invention provides an intelligent aeration system and a control method, and the system comprises a multi-parameter monitoring module which collects parameters such as water depth, pressure, temperature, dissolved oxygen, inlet water ammonia nitrogen, chemical oxygen demand, and mixed liquid suspended solid concentration in real time; the data analysis and preprocessing module adopts a sliding window algorithm to carry out data cleaning and anomaly detection; the oxygen supply demand prediction module establishes an oxygen demand prediction model based on machine learning, and combines theoretical calculation and deep learning prediction; the multi-target intelligent control module adopts a reinforcement learning algorithm, establishes a Markov decision process model, and optimizes the processing effect and energy consumption at the same time; the execution control module is used for accurately adjusting the rotating speed of a fan, the opening degree of a valve and the running state of an aerator; and the system collaborative optimization module realizes linkage control of the aeration system and the carbon source adding system. The system has the functions of self-adaptive parameter adjustment, fault diagnosis and self-recovery, the DO control precision reaches 95% or above, the daily average electricity is saved by 9.7%, the NH4-N of effluent is reduced by 25%, and the annual comprehensive benefit exceeds 500,000 yuan.
Owner:CHINA THREE GORGES CORPORATION +1

Low-cost metal modified electrode material, preparation method and application

The invention provides a low-cost metal modified electrode material, a preparation method and application, solves the problems that a carbon nitride material is difficult to recover and poor in sustainability, and improves the photoelectrocatalysis capability of an active carbon material. Further constructing a packed bed cathode coupled microbial fuel cell system; the treated industrial wastewater is high-salt coking wastewater from Anshan steel, a PEC-MFC system filled with electrogenesis microorganisms is used for realizing wastewater recycling and harmlessness, and energy-saving, high-efficiency and one-step treatment of the industrial wastewater is completed.
Owner:DALIAN UNIV OF TECH

Method and system for intelligently interactively controlling water production equipment

The invention provides a method and a system for intelligently interactively controlling water production equipment. Wherein heavy metal ion concentration data is collected in real time through a multi-node sensing array, concentration difference fluctuation of adjacent monitoring points is analyzed, and a pollutant diffusion track is deduced; when the monitoring data exceeds the standard, switching of a standby water source is triggered based on a diffusion trajectory analysis result, and a reverse cleaning instruction is generated in combination with the dynamic ratio of the concentration gradient change rate to the diffusion speed; dynamically correcting the concentration deviation by utilizing fluid mechanics parameters in a high-pressure impact process in cooperation with multi-dimensional sensor data, and generating environmental response type pollution grade parameters; finally, a pollutant migration path in the three-dimensional diffusion model is matched according to the pollution level, a decision signal containing emergency water source coordinates and the cleaning priority is output, and full-process closed-loop intelligent control from pollution monitoring to emergency decision is achieved. According to the technical scheme provided by the invention, the response speed and the disposal accuracy of the water quality sudden pollution event are improved.
Owner:RUIYOU WATER KINETIC ENERGY (TIANJIN) TECH CO LTD

Composite multi-effect scale and corrosion inhibitor and preparation method thereof

The invention relates to a composite multi-effect scale and corrosion inhibitor and a preparation method thereof, and belongs to the technical field of water treatment agents.The composite multi-effect scale and corrosion inhibitor is prepared from carboxylic acid monomers, sulfonate monomers, organophosphorus compounds, modified chitosan, modified nanometer titania, oxidation type initiators, reduction type initiators, azole derivatives and the like, the modified chitosan is formed by coating the surface of chitosan with cerium chloride; the modified nano titanium dioxide is formed by coating the surface of nano titanium dioxide with sodium polyaspartate. The composite multi-effect scale and corrosion inhibitor is prepared in a mode of compounding while synthesizing, the scale inhibition effect is excellent, the comprehensive descaling capacity can reach 97% or above, and the composite multi-effect scale and corrosion inhibitor can be used for a high-pH, high-alkalinity, high-temperature and high-hardness circulating cooling water system under the high-concentration-multiple operation condition; the method is suitable for circulating cooling water treatment requirements under harsh conditions in industries such as chemical industry, smelting and light industry.
Owner:ANHUI HAIHAN WATER TREATMENT TECH CO LTD

Adsorption coupling contact precipitation defluorination system and defluorination method

The invention discloses an adsorption coupling contact precipitation defluorination system and a defluorination method, and the method comprises the following steps: feeding fluorine-containing mine water into a defluorination reaction tank, and carrying out adsorption defluorination on the fluorine-containing mine water through a defluorination filter material layer to obtain first defluorination mine water; feeding the calcium agent and the phosphorus agent according to the formula ratio into a fluorine removal reaction tank, removing fluorine through a catalytic reaction to obtain second fluorine-removed mine water, and then feeding the obtained second fluorine-removed mine water into a clean water tank; when the head loss of the second defluorination mine water exceeds a threshold value, feeding backwashing water and backwashing air into a defluorination reaction tank, and backwashing a filter material in a defluorination filter material layer; feeding the regenerated liquid into a defluorination reaction tank, soaking a defluorination filter material layer for 10-12 hours, and then discharging generated waste liquid into a lime reaction tank. According to the method disclosed by the invention, through adsorption, contact precipitation and regeneration, the carbon-based apatite adsorbed with fluorine ions in the defluorination reaction tank is used as a seed crystal for subsequent contact precipitation, so that the service time of a filter material in a defluorination filter material layer is effectively prolonged, and the regeneration frequency of the filter material is reduced.
Owner:XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP

Internal coupling energy-saving atomization ammonia water recovery process for high-concentration ammonia-nitrogen wastewater

The invention discloses an internal coupling energy-saving atomization ammonia water recovery process for high-concentration ammonia-nitrogen wastewater, and particularly relates to the technical field of wastewater treatment. The process comprises the steps that firstly, ammonia gas and water vapor mixed gas generated after high-concentration ammonia-nitrogen wastewater is rectified through a deamination tower enters the absorption-condensation integrated ammonia recoverer through a pipeline, an internal coupling energy-saving atomization energy-saving device of the integrated ammonia recoverer can generate superfine water mist, and after being combined, ammonia-containing vapor and the superfine water mist are subjected to rapid heat exchange; meanwhile, due to the characteristic that ammonia is extremely easy to dissolve in water, ammonia gas molecules can be combined with liquefied water vapor water molecules, and dissolving heat of the water vapor water molecules can be quickly released to form ammonia water. The method is simple in technological process and small in equipment investment and occupied area, a multi-stage absorption tower and a large amount of absorbent can be saved, the ammonia water is recycled in one step, the ammonia water is high in purity and controllable in concentration, almost no noncondensable gas is generated, and meanwhile steam energy consumption in the high-concentration ammonia-nitrogen wastewater deamination process can be saved.
Owner:XUZHOU SECCO KANGLUN INTELLIGENT EQUIP CO LTD

Intelligent control system and method for mine water underground treatment, medium and electronic equipment

The invention relates to an intelligent control system and method for mine water underground treatment, a medium and electronic equipment.The system comprises a water quality online monitoring module, an automatic control module, an intelligent chemical adding module and a calibration optimization module, and the system responds to mine water quality changes in real time based on mine water quality online monitoring data and a chemical adding prediction model; the agent adding strategy is dynamically adjusted, accurate agent adding is achieved, the mine water underground treatment effect is effectively improved, the operation and maintenance cost of an underground treatment system is reduced, and the reliability is improved. The control system disclosed by the invention has relatively high automation and intelligence levels, can adapt to complex water quality conditions and large-scale mine water treatment requirements, provides an efficient, economic and environment-friendly solution for mine area water resource management, and has a wide application prospect.
Owner:NAT INST OF CLEAN AND LOW CARBON ENERGY +1

Environment-friendly equipment with efficient sewage treatment function and treatment method

The invention relates to the technical field of sewage treatment equipment, and discloses environment-friendly equipment with an efficient sewage treatment function and a treatment method.The environment-friendly equipment comprises an outer cylinder, an impurity discharging assembly is fixedly installed at the top end of the outer cylinder in an embedded mode, and a driving assembly is fixedly installed on one side of the outer cylinder; according to the environment-friendly equipment with the efficient sewage treatment function and the treatment method, the conical filter screen is arranged at the top end of the interior of the outer cylinder, so that the flowing effect of water flow entering the conical filter screen is matched with the oblique angle arrangement of the water inlet, the water flow can form a rotational flow shape, and then centrifugal force is generated in the water flowing process; when water flows, impurities in the water are separated and thrown to the surface of the conical filter screen, the water is filtered and separated to the lower portion through the conical filter screen and flows to the bottom end through the lower drainage ring for secondary flow, and the impurity discharging assembly on the upper portion can rotate to scrape and clean the impurities filtered from the surface of the conical filter screen. And the use efficiency and effect of the device are greatly improved.
Owner:TIANJIN LONGTENG HAIYI ENVIRONMENTAL PROTECTION CONSULTING SERVICE CO LTD