82 results about "Aeration rate" patented technology

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.

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 relates to the field of sewage treatment, in particular to a sewage treatment optimization method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring treatment parameters such as inlet water quality data, instantaneous flow, sewage types and outlet water quality requirements, matching corresponding treatment process constraint conditions according to the sewage types, and formulating differentiated treatment strategies according to characteristics of different types of sewage such as industrial wastewater, domestic wastewater and medical wastewater; the method comprises the following steps: determining sewage treatment data by combining instantaneous flow, effluent quality requirements and treatment process constraint conditions, calculating an aeration rate regulation value, sludge reflux and chemical agent dosage, realizing dynamic optimization of treatment parameters, generating a control instruction based on the optimized sewage treatment data, and issuing the control instruction to a sewage treatment system. The sewage treatment efficiency is effectively improved, and multi-target collaborative optimization sewage treatment is realized.

The invention relates to the technical field of control scheme design for precise aeration of a sewage treatment plant, in particular to a control method and system for precise aeration of a sewage treatment plant and electronic equipment. The control method comprises the following steps: acquiring real-time operation data of a sewage treatment process through the data acquisition device, constructing an accurate aeration mathematical model and a mechanism model, performing data mining and analysis by using the control module, calculating the optimal aeration rate, and dynamically adjusting the operation state of the aeration equipment. The system has real-time data processing and control functions. According to the system, the aeration energy consumption is reduced, the effluent quality is guaranteed to reach the standard, the system has the characteristics of intelligence, automation, energy conservation and consumption reduction, through deep integration of multidisciplinary technologies, the intelligent level of aeration control of a sewage treatment plant is remarkably improved, an economic, efficient and reliable solution is provided for the industry, and the system is worthy of popularization and application. The method has wide application prospects and remarkable economic benefits.

The invention discloses an aeration rate control method, device, equipment and product for sewage treatment, and the method comprises the steps: obtaining a predicted aeration efficiency value at the current time through a neural network model; determining a current required aeration rate value for removing unit ammonia nitrogen; and finally calculating an actual aeration rate value. According to the aeration rate control method, device, equipment and product for sewage treatment disclosed by the invention, rapid reaction can be carried out according to the actual change condition in the region in the aerobic tank corresponding to aeration, the aeration rate value in the region can be immediately adjusted, and the aeration rate control method, device, equipment and product have the advantages of high aeration rate control reaction speed and high aeration rate control precision; the sewage treatment efficiency and quality are effectively improved.

The utility model discloses a self-cleaning perforated aeration device which comprises an air blower, a main air supply pipe, a connecting pipe, a flow regulating valve and a perforated aeration pipe, the perforated aeration pipe comprises a self-cleaning release pipe, a first elbow, a horizontal perforated pipe and a second elbow, the first elbow and the second elbow are respectively arranged at two ends of the horizontal perforated pipe, the opening direction of the first elbow faces downwards and is connected with the self-cleaning release pipe, and the opening direction of the second elbow faces upwards; a main aeration hole and an auxiliary aeration hole are formed in the horizontal perforated pipe. The main aeration holes and the auxiliary aeration holes in different numbers are formed in different positions of the horizontal perforated pipe, and the self-cleaning release pipe is arranged at the tail part of the horizontal perforated pipe, so that when the main aeration holes are blocked, the aeration rate can be ensured through the auxiliary aeration holes, and when the main aeration holes are seriously blocked, the aeration rate can be ensured. And the horizontal release pipe can be cleaned through the self-cleaning release pipe.

The invention relates to the technical field of water treatment, and discloses a continuous flow self-circulation aerobic granular sludge-membrane bioreactor constructed based on a satiation-starvation alternating strategy and application thereof, and the continuous flow self-circulation aerobic granular sludge-membrane bioreactor comprises an aerobic zone and an anaerobic zone which are arranged in series. The method is characterized in that in the anaerobic zone, raw sewage and aerobic granular sludge are in full contact and react through the shearing force of a stirring paddle and the separation effect of gravity selection pressure, and a satiation period is formed. And then, under the aeration action of the aerobic zone, the mud-water mixture further reacts to form a starvation period. The liquid level difference and the sludge density difference formed between the two areas provide self-driven backflow power for the system. According to the scheme, the reactor adopts three-low operation conditions (low aeration rate, low circulation rate and low stirring rate), rapid in-situ culture and high granulation rate of the aerobic granular sludge are realized in a continuous flow mode, the obtained granular sludge has the characteristics of large particle size, smooth surface, compact structure and the like, and the effluent quality reaches the surface water class III standard.

The invention discloses a haematococcus culture dissolved oxygen coupling regulation and control method for a corrosion-resistant photoreactor, relates to the field of bioengineering, and builds a photoreactor made of a corrosion-resistant material and a matched regulation and control system; preparing a special improved BG-11 culture medium for haematococcus and injecting the culture medium into the photoreactor; oxygen transfer coefficients under different ventilation rates are calibrated through a dynamic method, a ternary equation of light intensity, cell density and oxygen production rate is fitted by combining photosynthetic characteristics of haematococcus, and a basic model for dynamic prediction of dissolved oxygen is established. According to the method, the photoreactor made of a corrosion-resistant material and a matched regulation and control system are built, so that the interference of material dissolution on the culture medium is effectively avoided, and the stability of a haematococcus culture environment is guaranteed. Based on a ternary fitting equation of an oxygen transfer coefficient calibrated by a dynamic method, light intensity, cell density and oxygen production rate, a basic model for dynamic prediction of dissolved oxygen is constructed, and accurate coupling regulation and control of dissolved oxygen are realized by combining model prediction control and reinforcement learning agents.

The invention is applicable to the technical field of urban sewage treatment, and provides a robust fault-tolerant control method for dissolved oxygen concentration in an urban sewage treatment process, which comprises the following steps of: constructing a control system kinetic model containing faults and disturbance, establishing a nonlinear observer to estimate the faults and the disturbance, and constructing a fuzzy neural network to estimate an unknown nonlinear function. And designing a robust fault-tolerant controller based on self-adaptive dynamic programming, optimizing a control law through strategy iteration, neural network implementation and an experience playback mechanism, and finally realizing dissolved oxygen concentration control by adjusting the aeration rate. Experimental results show that the method can effectively cope with actuator faults and external disturbance, it is ensured that the dissolved oxygen concentration stably tracks the set value, and the robustness of a sewage treatment system and the effluent quality standard-reaching rate are improved.

The invention relates to the technical field of sewage treatment, and particularly discloses a sewage treatment control method based on AI intelligent driving, and the method comprises the following steps: S1, collecting parameters in real time; s2, inputting the parameters into a pre-trained random forest model to obtain an output aeration rate set value, a sludge reflux ratio and a carbon source feeding rate; s3, adjusting the rotating speed of an aeration fan of the aerobic tank according to an aeration rate set value, adjusting the frequency of a sludge reflux pump according to a sludge reflux ratio, and adjusting a metering pump to add a sodium acetate solution according to a carbon source adding rate; and S4, when the turbidity of the MBR membrane pool exceeds a turbidity threshold value, giving out an early warning, further judging whether the transmembrane pressure difference of the MBR membrane pool exceeds a transmembrane pressure difference threshold value or whether the membrane flux attenuation exceeds a membrane flux attenuation threshold value, and if so, starting a pulse backwashing program.

This invention pertains to microbial fermentation, specifically a method for preparing a fermentation broth containing β-1,3 / α-1,3-glucan. The method involves inoculating *Rhizobium spp.* into a sterilized fermentation medium containing carbon sources, nitrogen sources, and essential nutrients, followed by aerated fermentation. The carbon source in the fermentation medium is sucrose, and the nitrogen source is soy protein isolate. The aeration rate is controlled in stages, and nitrogen sources and hydrogen peroxide are supplemented during fermentation. This invention solves the problem of low fermentation yield in existing technologies, offering advantages such as high fermentation broth viscosity, a fermentation yield of 25 g / L to 30 g / L, and good water solubility of the prepared product.

This invention relates to a device and method for rapidly starting a short-cut nitrification process, belonging to the field of water treatment. The invention involves inoculating a secondary sedimentation tank with sludge and adding a polyurethane biological sponge carrier into a sequencing batch reactor (SBR). First, a phased influent influent + incremental post-aeration strategy (increasing aeration time first, then increasing aeration rate) is adopted. This utilizes nitrate and a dynamic oxygen environment to drive the migration of *Candidatus Contendobacter* to the sponge carrier and complete its enrichment and acclimatization, reducing the obstruction of O2 on the endogenous denitrification process of *Candidatus Contendobacter* under aerobic conditions. The phased influent influent is then eliminated, and NH4 is introduced. + -N synthesis wastewater is treated using a low-alkalinity strategy (reducing influent KHCO3 concentration) + post-aeration with an initial increase followed by a decrease in aeration volume, combined with strong NO2 stimulation from Candidatus Contendobacter in a low dissolved oxygen environment. ‑ -N reducing power inhibits NOB growth, enabling rapid start-up of the short-cut nitration process.

This application relates to a monitoring method, apparatus, computer equipment, and storage medium for fermentation equipment. The method includes: monitoring the current stirring speed and current aeration rate of the fermentation equipment; determining the target oxygen transfer rate per unit volume for the fermentation equipment based on the current stirring speed and current aeration rate; and displaying the current stirring speed, current aeration rate, and the corresponding target oxygen transfer rate per unit volume on the fermentation equipment, wherein the target oxygen transfer rate per unit volume reflects the current fermentation efficiency and quality of the fermentation equipment. Using this method, the fermentation efficiency and quality of the fermentation equipment can be accurately reflected through the target oxygen transfer rate per unit volume.

The invention discloses an energy-saving control method and system for a sewage treatment aeration system based on working condition adaptation, and relates to the technical field of sewage treatment energy conservation. According to the method, through full-process substance trajectory analysis, operating environments are divided into four types of high-temperature sunny days, high-temperature rainy days, low-temperature sunny days and low-temperature rainy days, and COD removal rates of all sections of a biochemical pool under different working conditions are quantified; a theoretical oxygen demand dynamic calculation model is constructed based on the principle of conservation of substances, and the actual oxygenation amount is monitored in real time in combination with an intelligent aeration monitor; a staged aeration optimization strategy is adopted, and the aeration rate is adjusted in sequence, so that DO is maintained at 1.0-2.0 mg / L; and energy-saving effect quantification and feedback adjustment are realized by monitoring indexes in real time. The device comprises an intelligent monitoring module, a working condition adaptation calculation module, a subsection control execution module and a data feedback module. The method solves the problems of poor working condition adaptability, extensive calculation of oxygen transfer efficiency and the like of a traditional method, and realizes accurate energy saving of an aeration system and stable and standard water quality.

The invention relates to a novel spiral-flow aeration device which comprises a slitting mechanism used for cutting bubbles, a gas injection mechanism used for carrying out spiral aeration on liquid is arranged at the liquid inlet end of the slitting mechanism, and a positioning mechanism used for fixing is arranged at the liquid outlet end of the slitting mechanism; the slitting mechanism comprises a slitting cylinder, a plurality of slitting rings arranged at intervals are installed in the slitting cylinder, the radial outer portions of the slitting rings are detachably connected with the interior of the slitting cylinder, a plurality of slitting rods extending towards the centers of the slitting rings are arranged in the radial inner portions of the slitting rings, and slitting heads are arranged at the outer ends of the slitting rods. A rotational flow groove is formed between every two adjacent slitting rings and the inner wall of the slitting cylinder. According to the aeration device, spiral aeration of liquid is realized, the resistance of the liquid in the aeration device is reduced, and meanwhile, the stability and the aeration rate of the aeration device are effectively improved.

The utility model relates to an efficient photoelectric Fenton treatment device. The efficient photoelectric Fenton treatment device structurally comprises a circulating water device, an aeration device, an electrode device and a photoelectric Fenton reaction device, wherein the photoelectric Fenton reaction device is formed by sequentially connecting a plurality of flange columns, and an iron anode or a stainless steel cathode is tightly pressed between the attached flange plates in a sealing manner; an inlet of the circulating water device is connected with the bottom of the photoelectric Fenton reaction device, and an outlet of the circulating water device is connected with the top of the photoelectric Fenton reaction device; a volume cavity is formed in the bottom of the flange column at the bottom and is connected with an aeration device; an opening is formed in the top of the flange column located at the top, and an ultraviolet lamp is arranged at the opening. According to the photoelectric Fenton treatment device, high-concentration organic wastewater can be treated with low energy consumption, high dissolved oxygen concentration on the surface of the electrode can be maintained with low aeration rate, meanwhile, a certain stirring effect is achieved, and the ultraviolet lamp is additionally arranged, so that H2O2 decomposition and conversion from Fe < 3 + > to Fe < 2 + > are facilitated, the reaction efficiency is improved, and the yield of iron mud is reduced.

The invention relates to the technical field of sewage treatment, in particular to a low-carbon-nitrogen-ratio SOA sewage treatment denitrification process. According to the process method, a mixing tank, a separation tank, a first aerobic tank and an anoxic tank which are connected in sequence are adopted, part of sludge in a secondary sedimentation tank flows back to the mixing tank, part of the sludge flows back to the front end of the first aerobic tank, and meanwhile, the sludge at the bottom of the separation tank is conveyed to the front end of the anoxic tank; therefore, in the process disclosed by the invention, COD (Chemical Oxygen Demand) in the inlet water is adsorbed and solidified in the mixing tank through the activated sludge, and is settled in the separation tank, so that the separation of COD and nitrogen is realized; the COD is conveyed to the anoxic tank, so that the carbonization of the COD in the aerobic tank is avoided, the aeration rate is reduced, the nitrification of ammonia nitrogen is facilitated, and meanwhile, the sludge yield of the aerobic tank is also reduced; cOD is used as a carbon source for denitrification of the anoxic tank, so that the denitrification utilization rate of COD is increased; and the method has positive significance on resource saving, energy conservation and consumption reduction.

This invention provides a portable flotation aeration rate testing instrument and measurement method. The instrument includes a mechanical package and instruments installed within the mechanical package. The mechanical package includes a front cover, a middle cover, an inner cover, a rear cover, a battery cover, a variable diameter guide pipe, and an exhaust pipe. The front and rear covers are closed, with the middle cover located between them. The inner cover is fixed to the middle cover, and the battery cover is located inside the middle cover. The instruments include a miniature thermal flow meter, an LCD screen, a switch, a microcontroller, and a lithium battery power supply. The miniature thermal flow meter is fixed inside the middle cover with bolts, the LCD screen is fixed to the inner cover with adhesive, the switch is fixed to the inner cover, the microcontroller is fixed to the middle cover, and the lithium battery power supply is located inside the middle cover. This invention reduces testing steps and equipment weight during measurement, eliminates experimental errors caused by visual observation of liquid level changes and manual timing, avoids installing too many instruments, and saves costs.

The invention discloses an accurate aeration method for optimizing a BP neural network based on a chicken flock algorithm, and the method comprises the steps: firstly building a back propagation (BP) neural network model which takes a water inlet and outlet index and a historical aeration rate as inputs and takes a current aeration rate as an output for the key index dissolved oxygen of sewage treatment; and then the weight and the threshold value of the BP neural network are optimized through a chicken flock algorithm. According to the method, structural parameter optimization is carried out aiming at the defect that the BP neural network is easy to fall into a local minimum value, the robustness of a control process is improved, and the identification precision of the BP neural network is improved, so that the requirement on a precise aeration system in actual work of sewage treatment is met, and the energy consumption of a sewage plant is effectively reduced.

The invention discloses a sterilization device for honey water beverage production, which comprises a pasteurization machine body, a sewage tank arranged in the pasteurization machine body and a rotating rod rotationally arranged in the sewage tank, and further comprises a bubble collecting assembly arranged on the rotating rod and used for defoaming and detecting sewage bubbles, the bubble collecting assembly comprises a fixing ring fixedly arranged on the rotating rod and a sliding rod arranged on the fixing ring in a reciprocating sliding mode, a push plate is fixedly arranged at the end of the sliding rod, the push plate is arranged along the axis of the rotating rod, the end of the push plate extends to one side of the inner wall of the sewage tank, and a resistance adjusting piece is arranged at the end of the sliding rod. When the push plate rotates, the rotating speed of the rotating rod can be controlled through the resistance adjusting piece, and meanwhile, the aeration rate of the sewage is controlled, so that the equipment is higher in sewage treatment efficiency and better in treatment effect.

The invention provides a microbiological treatment method for cyanide-containing tailing slurry of a gold mine, and belongs to the technical field of pollutant treatment. The method comprises the following steps: firstly, enriching cyanogen reducing bacteria from cyanide tailings or surrounding soil of a cyanide tailing pond, and domesticating and proliferating cyanide tailing pulp with low pulp concentration to construct a high-performance cyanogen reducing flora; then, the cyanide-degrading bacterium-containing ore pulp is efficiently inoculated into the cyanide-degrading bacterium-containing cyanide tailing pulp with high ore pulp concentration or the cyanide-degrading bacterium-containing cyanide tailing pulp is refluxed, so that the number and activity of cyanide-degrading bacteria in an ore pulp system are rapidly improved; and the cyanide-degrading bacterium-containing cyanide tailing pulp with high ore pulp concentration is obtained by controlling parameter conditions such as the pH value, the stirring speed, the aeration rate and nutrient substances in the ore pulp system. The method realizes green treatment of high-concentration cyanogen-containing tailing slurry pollutants by microorganisms, and reduces the environmental risk of tailing stockpiling. The method is good in effect, low in treatment cost, safe, reliable and wide in application prospect.

The present invention provides a domestic sewage treatment device and method with integrated multi-source sewage treatment functions, belonging to the technical field of domestic sewage treatment. The device includes a first treatment unit, a second treatment unit, and a third treatment unit connected in sequence, wherein: the first treatment unit is adapted to perform a first biological treatment on sewage from a first sewage source under an aeration rate provided by a first aeration device; the second treatment unit is adapted to receive sewage from the first treatment unit and, depending on a sewage discharge mode, selectively receive sewage from a second sewage source and, depending on a sewage discharge mode, perform a second biological treatment on the received sewage under an aeration rate provided by the second aeration device; the third treatment unit is adapted to receive sewage treated from the second treatment unit and, depending on aeration rate provided by the third aeration device, perform a third biological treatment on the received sewage and discharge it; wherein the aeration rates provided by the first, second, and third aeration devices are each adjusted according to the sewage discharge mode.

This invention belongs to the field of coking wastewater treatment technology and discloses an optimized process for a high-load aerobic tank to improve the treatment efficiency of coking wastewater, including the following steps: (1) After pretreatment, the coking wastewater enters the equalization tank. A portion of the sludge mixture in the equalization tank enters the high-load aerobic tank O1 and the primary sedimentation tank in sequence, and another portion of the sludge mixture enters the low-load AO tank and the primary sedimentation tank in sequence; (2) A portion of the activated sludge in the primary sedimentation tank and the primary sedimentation tank is internally recycled and recycled back to the high-load aerobic tank O1, respectively; (3) The activated sludge in the high-load aerobic tank O1 is regulated and a continuous high-load influent operation mode is maintained. The regulation includes aeration rate regulation, nutrient regulation and sludge discharge rate regulation; (4) The effluent from the high-load aerobic tank O1 enters the low-load AO tank, and the substance content of the effluent is controlled so that the C / N ratio of the low-load AO tank is within a certain range. This invention utilizes the sludge recycling and regulation method to ensure that O1 can operate stably under high-load operation.

This invention discloses an operation method for a high-oxygen-utilization-rate aerobic MBBR system, belonging to the field of water treatment technology. The operating system includes a reaction tank, within which, along the water flow direction, are sequentially arranged a first corridor, a first reaction tank, a second corridor, a second reaction tank, a third corridor, a third reaction tank, and a defoaming tank. Nano-aerators are installed on the bottom surface of the first, second, and third corridors, each connected to a nano-gas generator. Suspended carriers and agitators are installed in the first, second, and third reaction tanks. A perforated pipe aerator is installed at the bottom of the defoaming tank. Wastewater to be treated enters through the first corridor. The aeration rate of the first corridor is greater than that of the second corridor, and the aeration rate of the second corridor is greater than that of the third corridor. This invention achieves higher nano-bubble oxygen utilization, further reduces energy consumption, and exhibits high removal rates and stable treatment of oxygen-consuming pollutants.

The present application relates to sewage treatment technical field, specifically to a kind of efficient denitrification sewage treatment system and sewage treatment method.Efficient denitrification sewage treatment system includes: adjusting pool, MABR pool, AOA pool, MBR pool, conveying module, detection module, dosing device and aeration rate regulator.Conveying module is sequentially transported with sewage through adjusting pool, MBAR pool, AOA pool, MBR pool, and the water quality data of sewage is detected by detection module, and then dosing device is used to add medicine to adjusting pool, MBR pool, so that impurities in sewage are separated according to particle size, avoid large particle size impurities to cause biological membrane to be blocked, reduce membrane aeration separation, good anaerobic separation, membrane separation treatment pressure.The present application optimizes the aeration rate in MABR pool by aeration rate regulator, realizes the optimal cooperation of denitrification rate and aeration rate, effectively improves denitrification efficiency and denitrification effect, reduces processing cost, further optimizes water quality.

The present application relates to the technical field of fermented feed production, in particular to a closed sterile fermented feed inoculation and expansion integrated equipment and method, the equipment comprises an expansion tank body provided with a feeding port and a discharging port, a cover body is detachably connected to the tank body, a stirring equipment with a radially movable arc linkage plate is arranged in the tank body, a plurality of adjustable aeration equipment with telescopic air outlet parts are distributed in the circumference of the tank body, a control system for detecting the parameters of the culture medium in the tank and controlling the aeration rate is arranged on the cover body; when the aeration rate increases, the air outlet part is axially extended to change the bubble distribution from single layer to double layer, the arc linkage plate is radially moved out to synchronously scatter the bubbles and drive the air outlet part to intermittently rotate; the present application can realize three-dimensional dispersion and efficient crushing of bubbles, adapt to the oxygen demand characteristics of different fermentation stages, improve the oxygen dissolution efficiency and strain expansion stability, and is completely closed and sterile, which can effectively avoid bacterial contamination, reduce the operation energy consumption, and improve the quality and success rate of fermented feed products.

The invention discloses a production process for removing copper and zinc from a washed copper strip liquid and a deep copper removal device, and relates to the technical field of copper strip washing. S1: filtering the washed liquid once to remove insoluble impurities, and returning the filter residue to a brass furnace; S2: passing the filtered liquid into a cyclone electrowinning device for preliminary copper removal to obtain an electrowinning liquid and copper flakes, and stopping copper removal after the copper is removed to 0.4-0.6 g / L; S3: passing the filtered electrowinning liquid into a hydrogen sulfide sulfidation copper removal device for deep copper removal, adopting a two-step copper removal process; S4: filtering the deeply copper-depleted solution, returning the filter residue to the brass furnace, and entering the electrowinning zinc removal device for zinc removal to obtain zinc flakes and a dezincified liquid, and returning the dezincified liquid to the copper strip washing process; the deep copper removal device can prevent the generated precipitation from covering the aeration pipe at the bottom of the tank body, thereby preventing the aeration rate from being unstable, and can also reduce the copper sulfide particles in the electrowinning liquid, increase the contact area between the hydrogen sulfide gas and the electrowinning liquid, and thus accelerate the reaction.

The invention discloses a sewage treatment plant artificial intelligence application management and control method and system based on a multi-modal model, and relates to the technical field of sewage treatment automation control. According to the method, the inflow water quality, the technological process, the effluent water quality and the energy consumption data of the sewage treatment plant are systematically collected, and the dynamic relation of mechanism variables in the ASM model is combined to carry out cross-modal diagram construction and feature fusion, so that the operation parameters and the mechanism variables can be accurately aligned and the nonlinear dependency relation is depicted; therefore, on the basis of the fusion image, key operation parameters and water quality indexes in a future time period are predicted in a high-precision manner, and an optimal calculation basis is provided for control strategies such as aeration rate, reflux ratio, medicament dosage and residual sludge discharge. The sewage treatment plant can realize multi-target collaborative optimization, the effluent quality is stable, the technological process is intelligently controlled, the energy consumption is effectively reduced, and the overall operation efficiency and the environmental governance level are remarkably improved.

The utility model discloses a micropore aeration device for a simple test, which belongs to the technical field of micropore aeration test, and comprises a gas-water separation device, the gas-water separation device is communicated with a gas flow meter, the gas flow meter is communicated with a stop valve, the stop valve is communicated with a ball valve, the ball valve is communicated with a gas distribution device, and the gas distribution device is communicated with the gas flow meter. And the gas distribution device is detachably communicated with a plurality of microporous aeration discs. The device is simple in structure, the aeration rate is easy to control, various test requirements can be met, the test accuracy and operability are ensured, replacement and cleaning are convenient, and the situation that the aeration effect, the test continuity and the test efficiency are affected by incrustation scales, sediments and the like is avoided.

This invention discloses a wastewater treatment control system, relating to the field of wastewater treatment technology. This invention constructs a three-dimensional evaluation system by integrating the average and fluctuation values ​​of dissolved oxygen, sludge concentration, and temperature parameters, and generates an aeration rate adjustment index through weighted calculation. Compared to traditional single dissolved oxygen control, this method avoids misjudgment based on a single parameter, such as ignoring the impact of increased sludge concentration or temperature changes on oxygen demand. It dynamically matches the aeration rate with the metabolic needs of microorganisms, solving the problem of existing technologies failing to consider the impact of changes in sludge concentration and temperature on aeration rate adjustment, resulting in low levels of intelligent control.