247 results about "Aeration system" patented technology

The invention discloses a gradient optimization control method for an aeration system of a sewage plant. The gradient optimization control method comprises the following steps: S1, acquiring key monitoring multi-source data of the aeration system of the sewage plant in real time through an online sensor; s2, setting a security threshold value of each monitoring data to form a security constraint condition; s3, taking unit nitrogen removal energy consumption minimization as an optimization target, and constructing a comprehensive loss function fusing an energy consumption item and a water quality deviation item; s4, iteratively updating the air volume of the aeration system by adopting a self-adaptive gradient algorithm; s5, the optimized and updated air volume is issued to the aeration equipment to be executed, and water quality data and energy consumption data after execution are collected in real time, a control effect is calculated, an award signal is generated, and the award signal serves as feedback to be input into an optimization module; and S6, dynamically adjusting key parameters including the learning rate and the gradient threshold according to a feedback result. According to the invention, the energy consumption can be effectively reduced and the control precision can be improved while ensuring that the effluent stably reaches the standard, and the stable operation of the aeration system of the sewage plant under a complex working condition is ensured.

The invention provides a sewage treatment aeration control method and system based on a deviation compensation hybrid model, and relates to the technical field of intelligent optimization control of a sewage treatment process, a mechanism model driving layer in the hybrid model outputs a benchmark predicted value of effluent quality, and a process deviation compensation layer performs uncertain quantitative estimation on the benchmark predicted value, so that an aeration control result is obtained. Performing process deviation compensation on the reference predicted value; establishing an aeration optimization objective function by taking the minimum aeration rate as an optimization objective, solving to obtain the optimal aeration rate, outputting a control signal to an air blower according to the optimal aeration rate so as to adjust the rotating speed of the air blower or the opening degree of a valve, change the air supply rate to a reaction tank, and simultaneously, collecting inlet water quality data and operation parameters of an aeration system in real time; and updating the optimal aeration rate, and updating the control signal to form a feedback closed loop. Highly intelligent, stable, reliable, energy-saving and efficient aeration control can be realized, and the sewage treatment plant is ensured to stably realize that the effluent quality reaches the standard and the energy consumption is reduced to the greatest extent under complex working conditions.

The invention belongs to the technical field of sewage treatment, and particularly relates to an oxygen gradient self-coupling granular sludge partition reactor which comprises a reactor body, the reactor body is of a vertically-arranged tower structure, and an aeration system, a water distribution system, a partition assembly, a three-phase separator, a gas collection assembly, a water outlet assembly and a sludge discharge port are arranged in the reactor body. Wherein at least one layer of separation assembly is arranged, and the separation assembly divides an inner cavity of the reactor body into a first reaction function area and a second reaction function area which are connected in series up and down; the separation assembly comprises PET geotechnical cloth, and grating supporting plates are arranged on the upper side and the lower side of the PET geotechnical cloth. The functions of aeration, reaction, separation, water outlet and the like are integrated through a vertical tower type structure, high efficiency and energy conservation in the sewage treatment process are achieved, nitrification and denitrification reactions are synchronously completed in a single reactor by utilizing an oxygen gradient self-coupling mechanism in aerobic granular sludge, a traditional nitrification liquid internal reflux and sludge reflux system is not needed, and the cost is reduced. And the energy consumption and the operation cost are obviously reduced.

The utility model discloses an aeration membrane tube and a hoisting type aeration system. The aeration membrane tube comprises an air inlet joint, a supporting tube and a porous membrane tube, the supporting pipe is connected with the air inlet connector, the supporting pipe and the air inlet connector form an air distribution chamber, the air distribution chamber is separated from an inner cavity of the supporting pipe, and an opening for communicating the inner cavity of the supporting pipe with the outside is formed in the tail end, away from the air inlet connector, of the supporting pipe. The porous membrane tube is sleeved outside the supporting tube, at least one end of the porous membrane tube is annularly fixed through a clamp, a gap between the porous membrane tube and the side wall of the supporting tube forms an inflation space, and an air inlet communicated with the inflation space is formed in the side wall of the air distribution chamber. The buoyancy of the air cavity during aeration is counteracted by utilizing gravity, the aeration membrane tube does not need to be fixed by adopting a fixing bracket, the mounting process is simplified, the cost is reduced, the aeration membrane tube is hoisted and fixed, the relative levelness of the aeration membrane tube can be controlled at the top of the tank, the same aeration water depth and aeration uniformity are ensured, and the aeration efficiency is improved. And the aeration system can be mounted and overhauled outside the tank body.

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The invention discloses an energy-saving and consumption-reducing method for a sewage treatment plant based on four-level diagnosis and three-level optimization, and aims to solve the problems of high energy consumption and high medicine consumption in the existing sewage treatment technology. According to the method, data such as water quality, water quantity and energy consumption in 3-5 years are collected through a five-level technology cooperation system of historical data quantitative diagnosis, equipment energy efficiency evaluation and updating, facility function detection and transformation, technological parameter simulation regulation and control and intelligent closed-loop control, and key indexes are checked to locate anomalies; evaluating and updating energy consumption equipment, and detecting and transforming a structure, a pipeline and an aeration system; technological parameters are optimized in combination with material / energy balance, simulation analysis and small-scale tests; a four-stage intelligent control system is built to realize closed-loop regulation and control; after application, the energy consumption and the chemical consumption are obviously reduced, and the sewage treatment cost is effectively reduced; meanwhile, it is guaranteed that the effluent quality stably reaches the standard, extra treatment cost and environmental protection risks caused by the fact that the water quality does not reach the standard are avoided, the operation economical efficiency and environmental protection benefits of a sewage treatment plant are comprehensively improved, and sustainable development of the industry is promoted.

The invention relates to the technical field of sewage treatment, in particular to an aeration process quantitative evaluation method and system based on a multi-region mass transfer model. The aeration process quantitative evaluation method based on the multi-region mass transfer model comprises the following steps: S1, based on a physical structure and an operation mechanism of an aeration system, dividing the total volume involved in the aeration process into at least two physical regions with independent mass transfer characteristics in space; s2, determining key physical parameters of the oxygen mass transfer process based on the physical region, wherein the key physical parameters comprise equilibrium dissolved oxygen concentration; s3, calculating the oxygen transfer rate of the corresponding physical area based on the key physical parameters; s4, arithmetic addition is conducted on the oxygen transfer rates calculated in all the physical areas, the total oxygen transfer rate of the aeration system is obtained, the total oxygen transfer rate is the final quantitative evaluation result of the aeration process, and aeration can be accurately controlled through the total oxygen transfer rate.

The invention discloses a methyl ester wastewater treatment device in saccharin production, and relates to the technical field of wastewater treatment equipment. Comprising an adjusting cylinder, a coagulation cylinder, a biological reaction cylinder, two particle separators and a plurality of groups of delivery pumps. Waste water enters the adjusting cylinder after being subjected to primary impurity removal through the particle separator I, and the PH of the waste water is adjusted through cooperation of the circulating stirring structure and the acid-base property adjusting mechanism; the wastewater is subjected to secondary impurity removal through a second particle separator and then enters a coagulation cylinder to be mixed with a flocculation agent to generate flocculate, and a turbidity detection sensor is matched with a liquid extraction branch pipe to screen qualified wastewater; qualified wastewater enters the biological reaction cylinder, deep degradation is realized through the MBR and the aeration system, and a floating ball drives a shaking frame and a vibrating inner plate to prevent membrane blockage; after flocculate is separated by the treatment box, wastewater is recycled and reused; the device is compact in structure and high in automation degree, can efficiently remove wastewater impurities and refractory pollutants, ensures that wastewater reaches the standard and is discharged, and meets the large-scale wastewater treatment requirement of saccharin production.

This invention belongs to the field of aquaculture equipment and discloses a recirculating aquaculture system for indoor multi-layered culture of freshwater fish germplasm samples. The system includes a stainless steel culture rack, glass culture tanks, a temperature control system, a recirculating water purification system, an aeration system, and electrical and auxiliary materials. Through a three-layered culture structure design, combined with culture tanks of varying sizes and a precise temperature control module, it solves the problem of aquaculture with diverse sizes of freshwater fish germplasm samples and large differences in suitable water temperatures. The system has nine small glass culture tanks in the upper layer and three large glass culture tanks in each of the middle and lower layers, equipped with an external temperature control component and an internal heating rod, achieving full-coverage water temperature regulation from 10℃ to above 30℃. The recirculating water system ensures stable water quality through the synergistic effect of a filter tank, a booster pump, an ultraviolet sterilizer, and various filter media. Meanwhile, the lower culture tanks are equipped with an internal circulation filter to enhance local water purification, meeting the diverse aquaculture needs from small fry to large broodstock.

This utility model belongs to the field of wastewater treatment technology, specifically an infrared electric heater for a precision aeration system. It includes a housing and a pull rod, which are rotatably coupled to the housing and slidably coupled to a baffle plate. A fixed sleeve, fitted over a quartz tube, is fixedly installed inside the baffle plate. A telescopic connecting sleeve is located at the front end of the fixed sleeve, with its fixed portion fixedly connected to the fixed sleeve. A pull plate, also fitted over the quartz tube, is fixedly connected to the front end of the movable portion of the connecting sleeve. Multiple centrally symmetrically distributed elastic clips are arranged inside the fixed sleeve, clamping the quartz tube and slidably engaging with the movable portion. When the movable portion moves backward, it compresses the elastic clips towards the center of the quartz tube. The pull rod and pull plate are threaded together, allowing control of the pull plate's displacement along the length of the quartz tube. This utility model can adjust the clamping force on the quartz tube to reduce equipment vibration and better accommodate deformation of the quartz tube under thermal stress.

The present application relates to the technical field of groundwater pollution remediation, and particularly relates to a method and device for in-situ remediation of hexavalent chromium contaminated groundwater, wherein the device comprises a multifunctional well group, a medicament supply system, an aeration system, a monitoring system and a control system; the multifunctional well group comprises a plurality of multifunctional wells; the medicament supply system is used for pretreating medicaments, modified composite reducing agents and composite functional bacteria liquid respectively; the control system is used for receiving monitoring data; the control system is also used for displaying monitoring data and equipment operating states, and setting operating parameters by a user; the control system is also used for automatically adjusting medicament dosing amount, aeration flow and aeration pressure according to monitoring data and operating parameters set by the user. Through the design of the multifunctional well group, the medicament supply system and the aeration system, the hexavalent chromium contaminated groundwater can be simultaneously subjected to chemical reduction, biological reinforcement and adsorption fixation, so that the three processes are coordinated to realize rapid, efficient and long-acting remediation of the hexavalent chromium contaminated groundwater.

The utility model discloses an in-situ regulation and control device for underground water pollutant conversion conditions, and belongs to the technical field of underground water in-situ remediation. The in-situ regulation and control device comprises a case, a top plate, a stirring rib, a suspension rope and an aeration system, a submersible motor is arranged in the case, and an output shaft of the submersible motor penetrates through the top surface of the case; the top plate is fixed to the top face of the machine box through a supporting rod and is parallel to the top face of the machine box. One end of the stirring rib is connected with an output shaft of the submersible motor, and the other end is rotationally connected with the top plate; the suspension rope is connected with the top plate; the aeration system comprises an air stone, an aeration pipe and a regulation and control air source, and the air stone is arranged on the top surface of the case and is communicated with the regulation and control air source through the aeration pipe. The stirring ribs are driven by the submersible motor to rotate, so that more regulation and control gas blown out of the bubble stone diffuses in the radial direction of the well casing, the diffusivity of the regulation and control gas to underground water is improved, and the in-situ regulation and control effect of underground water pollutant conversion conditions is enhanced.

The utility model relates to a novel biochemical treatment wastewater adjusting tank, which comprises an adjusting tank body, a sludge discharge system, a perforated aeration system, a steam heating system, a water outlet pipe and a water inlet pipe, the sludge discharge system comprises a sludge discharge pipe, a sludge discharge external pipeline and a sludge discharge pump, the sludge discharge pipe is connected with the sludge discharge pump through the sludge discharge external pipeline, and the perforated aeration system is connected with the sludge discharge pump through the sludge discharge external pipeline. The perforated aeration system comprises an aeration pipe, an aeration external pipeline and a fan, the aeration pipe is connected with the fan through the aeration external pipeline, the steam heating system comprises a steam pipe and a steam external pipeline, the steam pipe is externally connected with steam through the steam external pipeline, and the sludge discharge pipe, the aeration pipe and the steam pipe are sequentially arranged at the bottom of the adjusting tank body from bottom to top. The water inlet pipe is arranged at the top of the regulating tank body, and the water outlet pipe is arranged in the middle of the regulating tank body. According to the utility model, the sludge system, the perforated aeration system and the steam heating system are reasonably arranged, so that the impact when the water quality or the water quantity of the production wastewater is greatly fluctuated can be better dealt with, the operation stability of the system is ensured, the treatment efficiency is improved, and sludge impurities are better intercepted.

The present invention relates to a lifting and mixing aeration system which facilitates maintenance of an air diffuser and differential control in a tank, the lifting and mixing aeration system comprises: a support plate inserted into an aeration tank to be seated on a floor; an air generation unit including multiple air diffusers installed on an upper portion of the support plate, and multiple air nozzles formed in each of the air diffusers; and an elevation unit including multiple rings formed on an outer circumference of an upper surface of the support plate, a wire fastened to the rings and vertically disposed upward, a support formed on an upper portion of the aeration tank, and a winding motor in which a rotary shaft on which a sprocket and a pulley on which the wire is wound are formed is rotatably mounted on the support, the winding motor being mounted on the support and connected to the sprocket by a chain to rotate the rotary shaft to wind or unwind the wire to enable the elevation unit to be moved up and down.

The utility model provides an iron removal oxidation device with a heat exchange function. The iron removal oxidation device comprises a tank body, a stirring device is arranged in the tank body, an aeration system is further arranged in the tank body, a cooling jacket is arranged on the outer side of the tank body, a sedimentation system is arranged at the bottom of the tank body, and a solution online Fe < 3 + > detector is connected to the side wall of the tank body. By means of the accurate stirring system and the cooling jacket, it is ensured that ore dissolving liquid makes full contact with oxidizing gas, the optimal reaction temperature is maintained, and therefore oxidation of Fe < + > is accelerated. The microporous aeration disc enhances the contact area between gas and the ore dissolving liquid, and improves the oxidation rate. Meanwhile, the sedimentation system effectively accelerates the separation of sediments and reduces the interference of impurities. And through Fe < + > concentration monitoring and backflow adjustment, accurate control over the ore dissolving liquid is achieved, and the quality of a final product is guaranteed.

This invention discloses a device and method for rapid start-up and stable operation of IFAS-PN / A based on microfiltration membrane retention. The device includes a reactor body, an influent system, an effluent system, an aeration system, a heating system, an online monitoring system, and a stirring system. The reactor contains a biofilm carrier frame and a submerged MBR membrane module. The biofilm carrier frame is connected to a stirrer, and the MBR membrane module is connected to an effluent tank via an effluent peristaltic pump. During start-up, the anaerobic ammonia-oxidizing bacteria biofilm packing is fixed on the carrier frame and inoculated with activated sludge. The effluent is filtered through the microfiltration membrane, achieving complete retention of functional bacteria and precise control of sludge retention time. During operation, the peristaltic pump is started and stopped in conjunction with the influent and effluent level gauges to maintain a constant water level; precise adjustment of the target SRT is achieved through sludge discharge. This invention solves the problems of easy loss of functional bacteria, long start-up cycles, and poor operational stability, achieving efficient and stable denitrification of wastewater, with advantages of rapid start-up, stable operation, and precise control.

The application discloses a continuous ion exchange adsorption device for denitrification and a use method thereof. The device comprises an ion exchange column, which is provided with a resin inlet at the top and a water inlet and a resin outlet at the bottom; an aeration system, which comprises an aeration head arranged at the bottom area of the ion exchange column and an aerator for supplying air to the aeration head; and a water inlet and outlet system, which comprises a water inlet pump and a water inlet pipe in communication with the water inlet and at least one water outlet arranged on the side wall of the ion exchange column, and each water outlet is connected with a filter assembly for filtering resin. The adsorption device disclosed by the application can realize targeted removal of nitrate nitrogen by promoting the mixing process of resin and nitrogen-containing wastewater through reverse flow of nitrate anion resin and nitrogen-containing wastewater in the ion exchange column, has good treatment effect, is applicable to variable water quality and has low operation cost.

The utility model discloses an aeration system of a sewage oxidation pond, which belongs to the technical field of sewage treatment and comprises an oxidation pond body, a vertical mounting frame is fixedly mounted on the side wall of the oxidation pond body, a lifting driving component is mounted on the inner wall of the vertical mounting frame, and a lifting connecting plate is mounted on the lifting driving component. The lifting connecting plate is attached to the inner wall of the oxidation pond body and inserted into the oxidation pond body, a bearing block is fixedly installed at the bottom of the lifting connecting plate, an aeration frame is placed on the bearing block and fixedly connected with the lifting connecting plate through a bolt connecting assembly, and an aeration pipe is fixedly installed on the inner wall of the aeration frame; the aeration frame and the aeration pipe can be conveniently maintained and cleaned, the convenience of replacement and maintenance is greatly improved, meanwhile, the aeration pipe can be accurately located at the proper depth of sewage, oxygen is better supplied to microorganisms, pollutant decomposition is efficiently promoted, and the sewage purification effect is improved.

The invention relates to the technical field of fertilizer fermentation, in particular to an oxygen supply device and method for agricultural microbial fertilizer fermention.The oxygen supply device comprises a fermentation tank and a feeding port for feeding materials, and further comprises an oxygen deficit monitoring module and an oxygen deficit monitoring module, and the oxygen deficit monitoring module comprises inner side supporting rods arranged at different layer depths of the fermentation tank; an element analyzer, an oxygen sensor array and a microwave moisture meter are respectively arranged in the inner side supporting rod; the oxygen supply mechanism comprises a stirring aeration assembly and a nitrogen adding assembly; the stirring aeration assembly comprises a stirring spiral sheet which is rotatably arranged in the fermentation tank and a plurality of spiral connecting frames which extend along the radial direction of the stirring spiral sheet, and the wall part of each spiral connecting frame is provided with an aeration system which can be controlled to be opened and closed; the Roots blower is used for providing a gas source for the aeration system and discharging gas through the interior of the spiral connecting frame; the nitrogen adding assembly comprises a nitrogen storage cavity in which a nitrogen source is stored, and a nitrogen discharging pipe which is used for conveying gas and the nitrogen source into the fermentation tank and is provided with a nozzle.

The present disclosure relates to a device and method for the detection of microplastics in aquatic environments. An aspect of the disclosure comprises a device for the detection in situ of microplastics in aquatic environments comprising: an inlet and an outlet; a separation unit, within said inlet and outlet, with at least two arrays of micropillars separated from each other; a sample container, coupled to the inlet of the separation unit, comprising an aeration system; a detection unit aligned substantially perpendicularly to the separation unit; wherein the inlet comprises a coiled tube comprises a length from 25 cm to 125 cm; wherein the separation unit comprises a flow rate comprised from 10 µL / min to 150 µL / min, preferably from 50 µL / min to 150 µL / min, to promote particles separation according to their sizes due to an axial spreading of the particles along the direction of the laminar flow.

The invention discloses a hog house waste gas heat recovery and sewage aeration combined system, and belongs to the technical field of hog house ventilation. Comprising a house, a breeding area located in the house, an air inlet and an air outlet formed in the left end and the right end of the breeding area, a negative pressure fan installed at the air outlet, a manure ditch located below the breeding area and a leakage plate laid between the breeding area and the manure ditch. A manure pool located outside the house and lower than the manure ditch is arranged on the right side of the house, the bottom of the manure ditch is communicated with the left side of the manure pool through a manure conveying pipe, the top of the manure pool is covered with an openable cover plate, and an exhaust port is formed in the cover plate; a multi-purpose pipe extending out of the house is transversely arranged at the top of the right end of the manure ditch, and the multi-purpose pipe is communicated with an aeration pipe which is vertically arranged and is communicated with the bottom side of the manure pool. According to the system, part of waste gas of the hog house is directly introduced into the manure pool for aeration, air required by aeration is provided for the manure pool, the aeration fermentation efficiency of the manure pool can be improved, no additional aeration equipment is needed at the moment, and the utilization rate of the waste gas is further improved.

The present application belongs to the technical field of wastewater treatment, and discloses a coal gasification slag-based composite particle electrode, a preparation method thereof, and a solar-driven photoelectric synergistic three-dimensional electrode reactor device. The coal gasification slag-based composite particle electrode is obtained by loading nickel oxide and copper oxide active components on coal gasification fine slag as a carrier after activation treatment. The three-dimensional electrode reactor containing the composite particle electrode comprises a reactor shell, an anode plate, a cathode plate, a particle electrode layer, an aeration system, a solar light condensing device, a solar energy supply system, and a power supply, and preferably further comprises a circulating system. The specific surface area and active sites of the carrier are increased through activation treatment, and the synergistic catalysis of nickel oxide and copper oxide is utilized to achieve simultaneous and efficient removal of ammonia nitrogen and humic acid in landfill leachate. The present application utilizes coal gasification solid waste resources in the field of water treatment, and has simple preparation method, stable particle electrode performance, and high treatment efficiency.

The invention relates to intelligent dyeing production equipment based on cooperation of an electric control box, the intelligent dyeing production equipment comprises a bottom plate and an electric control box body, four corners of the bottom of the bottom plate are respectively connected with support columns, a dyeing box is arranged above the bottom plate, four corners of the bottom of the dyeing box are respectively connected with stand columns, and the bottom ends of the stand columns are connected to the top of the bottom plate. A movable door is installed at the position, close to the top, of the right side of the dyeing box, material penetrating grooves are formed in the front side and the rear side of the dyeing box correspondingly, a U-shaped plate is arranged in the dyeing box, a pulling roller is movably connected to the inner wall of the U-shaped plate through a rotating shaft and a bearing, and an electric push rod is connected to the top of the dyeing box in a penetrating mode. According to the technical scheme, the whole structure is compact, an external circulating pump, a complex pipeline and an independent aeration system are omitted, the manufacturing and maintenance cost and energy consumption are reduced, and innovative equipment and method are provided for efficient, uniform and intelligent dyeing production.

This invention discloses a bioreactor for plant cell culture, comprising a culture container body, a liquid replenishment system, a sampling unit, a stirring and aeration system, and an exhaust gas treatment device. The culture container is made of high borosilicate glass, with the top sealed by a GL45-PP cap and a four-hole stainless steel plate. Externally, it is connected to the liquid material inlet, sampling unit, aeration system, and exhaust gas treatment device via silicone tubing. Gas is bubbled into the culture system through filters in the sampling unit and aeration system, utilizing bubbles and airflow to achieve stirring and realize suspension culture of plant cells. This invention, through the use of a high borosilicate glass culture container, pressure difference-based liquid replenishment, and a convenient sampling unit, achieves continuous plant cell culture, improves the safety, stability, and efficiency of the culture system, enhances cell culture results and the yield of plant secondary metabolites, and meets the needs of laboratory research and industrial production.

The utility model provides an aeration system suitable for MBBR (Moving Bed Biofilm Reactor) filler, and relates to the technical field of sewage treatment. The bottom of the aeration system reaction tank is provided with a telescopic bracket, and the top of the aeration system reaction tank is provided with a lifting assembly; the aeration structure comprises a main aeration pipe and an air distribution pipe, the air distribution pipe is installed on the telescopic support and connected with the lifting assembly, the main aeration pipe is connected with the air distribution pipe through a telescopic pipe, a plurality of jet aerators are arranged at the top of the air distribution pipe, aeration synergistic releasers are arranged on the jet aerators, and filler blocking nets are arranged on the outer sides of the jet aerators; the compression fan is connected with the aeration main pipe through an air supply pipe, and a filter unit is arranged on the air supply pipe. According to the aeration system, the aeration uniformity can be improved, and the sewage treatment efficiency and treatment effect are improved.

The invention relates to the technical field of water treatment equipment multi-dimensional management, and discloses a water treatment equipment multi-dimensional management system based on an intelligent water affair cloud platform, and the system comprises the steps: calculating a dynamic alpha factor in real time through on-site off-gas detection data and a clear water reference mass transfer coefficient, and carrying out the real-time calculation of a dynamic alpha factor based on the monotonous relation between a bubble stagnation cap and mass transfer resistance; and performing inversion to obtain continuous parameters for quantifying the gas-liquid interface state. And further calculating the real-time sensitivity of the parameter to the air volume of the air blower, constructing an air volume and mass transfer nonlinear model, and solving the target air volume with the minimum energy consumption under the condition of meeting the technological oxygen demand constraint condition. And finally, the target air volume serves as a control instruction to be issued, meanwhile, interface recovery time is output according to the time change rate of the gas-liquid interface parameters, and dynamic energy saving and interface state collaborative management of the water treatment aeration system is achieved.

The invention relates to the field of sewage treatment, and discloses an energy-saving optimization control method and system for a sewage treatment aeration system based on multi-source information fusion, and the method comprises the steps: firstly, collecting the quality and quantity of inlet water, the environment of a biological tank and an external electricity price signal in real time; then, dynamically calculating a dissolved oxygen set value through a threshold weight rule model based on water inlet parameters, generating a preliminary control instruction by taking the dissolved oxygen set value as a feedforward target, and meanwhile, performing feedback fine tuning in combination with an actual dissolved oxygen value in the pool; a multi-target reward function fusing water quality, energy consumption and stability targets is constructed, the weight of the multi-target reward function is dynamically adjusted according to the real-time electricity price, and an economically optimal dissolved oxygen set value correction instruction is decided through optimization; according to the method, advanced accurate control of aeration requirements and online optimization of operation cost are realized, the problems of response lagging and high energy consumption of traditional control are effectively solved, the stability of effluent quality is remarkably improved, and energy consumption is reduced.

The application discloses a sewage treatment plant dosing aeration system, which comprises a sewage treatment tank, an A dosing pump and a B dosing pump. A plurality of undulating aeration units are arranged in a rectangular array in the sewage treatment tank. The outlet end of the A dosing pump extends to the sewage treatment tank through a plurality of shunt pipes, forming a plurality of A dosing points. The outlet end of the B dosing pump extends to the sewage treatment tank through a plurality of shunt pipes, forming a plurality of B dosing points. The plurality of A dosing points and the plurality of B dosing points are discretely and uniformly distributed above the sewage treatment tank, and the geometric center in the rectangular enclosed range of any adjacent four undulating aeration units distributed in a rectangular manner in the sewage treatment tank is provided with an A dosing point or a B dosing point. Each undulating aeration unit can excite a gradually expanding pool bottom annular dark wave outward around the water body on the basis of aeration, so that aeration oxygenation and dosing hydraulic mixing are realized.

The utility model discloses a photovoltaic electricity reinforced horizontal flow constructed wetland reactor which comprises a reactor main body, a water inlet and a water outlet are respectively formed in the top ends of two opposite sides of the reactor main body, a lower gravel layer, a carbon felt layer, an upper gravel layer and a surface water body are sequentially arranged in the reactor main body from bottom to top, and plants are planted on the carbon felt layer; the division module comprises a division plate and a plurality of baffles, the interior of the reactor main body is divided into an anaerobic zone and an aerobic zone by the division plate, two groups of baffles are fixed in the anaerobic zone, and a group of baffles are fixed in the aerobic zone; the electrical stimulation system is mounted on the plant in the aerobic zone, and the bottom of the electrical stimulation system is in contact with the carbon felt layer; the aeration system is mounted at the bottom of the aerobic zone; and the photovoltaic power supply system is connected with the electrical stimulation system and the aeration system. According to the utility model, sewage is deeply treated on the premise of saving energy and utilizing waste, so that the sewage treatment effect is improved.

The application relates to a sewage aeration energy-saving control method based on oxygen transfer efficiency coupling constant DO, and relates to the field of sewage treatment. The method comprises the following steps: carrying out multi-factor clean water aeration test, fitting the relationship between the aeration quantity Q A and the oxygen transfer efficiency OTE, constructing a basic OTE control algorithm; collecting basic data of a sewage aeration system, optimizing and formulating a targeted OTE control curve, and embedding a reasonable dissolved oxygen DO range to couple a constant DO control strategy; determining the aeration quantity Q A_OTE based on the OTE control curve, and comparing the energy-saving benefits with the aeration quantity Q A_DO under the constant DO control strategy; and adjusting the aeration fan power consumption and the aeration pipeline flow distribution by selecting the optimal Q A . The method couples the constant DO control strategy by formulating the OTE control curve, controls the aeration quantity Q A in a reasonable range, and achieves the stable and energy-saving targets.