44 results about "Aeration rate" patented technology

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 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.

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.

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 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.

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.

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 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.

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.

The embodiment of the invention provides yoghurt mousse and a preparation method thereof. The yoghurt mousse comprises the following raw materials: a grease base material and yoghurt, wherein the grease base material comprises UHT single cream or frozen single cream; wherein the yoghourt is prepared from the following raw materials: white granulated sugar, protein powder, low-power gelatin, high-power gelatin, mono / diglycerol fatty acid ester, KeHansen YF-L812 lactic acid bacteria and raw milk; wherein the yoghourt mousse is prepared by the following steps: homogenizing and inflating a grease base material to obtain an inflated grease base material, uniformly mixing the inflated grease base material with demulsified yoghourt, refrigerating and ripening; wherein the inflation rate of the grease base material is 140%-160%. While the taste and the stability of the yoghourt mousse are ensured, the ingredients are simple, the addition amount of the stabilizer and the emulsifier is small, the material viscosity is low in the batching process, and production is convenient. Meanwhile, the yoghourt mousse is uniform in pore size, fine and smooth in taste, light and dense, and just melts in the mouth.

The utility model provides a liftable modular aeration filler combination device which comprises a rack, a plurality of groups of biological filler modules distributed in a matrix are mounted on the rack, aeration branch pipes are laid at the bottom of the rack and below the biological filler modules, microporous aeration discs which are arranged upwards and right opposite to the biological filler modules are uniformly mounted on the aeration branch pipes, and the microporous aeration discs are connected with the biological filler modules. A vertically-arranged guide rod is installed on the machine frame, the main aeration pipe is fixed to the guide rod in the vertical direction, a flange connecting opening is reserved in the top of the main aeration pipe, and the bottom of the main aeration pipe is connected with the aeration branch pipe. The liftable modular aeration filler combination device is simple in structure and reasonable in design, adopts modular design, is easy to mount and maintain, and can achieve the target of optimizing the operation efficiency of a biological contact oxidation system by uniformly laying the microporous aeration discs below the biological filler modules and reasonably controlling the aeration rate.

The application provides an intelligent aeration method and device applied to sewage treatment and an electronic device, and relates to the technical field of data processing. In the method, the air pressure values of each preset area at different time points are obtained, the sewage treatment tank comprises a plurality of preset areas; the abnormal air pressure values in the plurality of air pressure values are determined; the corresponding aeration strategy is generated according to the abnormal air pressure values; and the aeration strategy is sent to the aeration equipment corresponding to the abnormal air pressure value, so that the aeration equipment corresponding to the abnormal air pressure value is controlled to perform aeration according to the aeration strategy. The technical solution provided by the application can conveniently solve the problem that the activated sludge settlement affects the aeration rate.

This invention relates to the field of organic waste treatment technology and discloses a method for intelligent optimization and control of parameters in a two-stage aerobic composting process. When the compost pile is in the membrane-covered stage, the method determines a carbon-nitrogen ratio correction coefficient for the membrane-covered section based on the carbon-nitrogen ratio classification results; multiplies the basic aeration rate by the membrane-covered section carbon-nitrogen ratio correction coefficient to determine optimized aeration control parameters, and controls the composting equipment to perform aeration operations based on these parameters. When the compost pile is in the windrow stage, the windrow stage parameters are acquired, and a windrow stage carbon-nitrogen ratio correction coefficient is determined based on the carbon-nitrogen ratio classification results; optimized turning control parameters are determined based on the windrow stage parameters and the windrow stage carbon-nitrogen ratio correction coefficient, and controls the composting equipment to perform turning and / or water replenishment operations based on these parameters. Thus, by introducing the membrane-covered section carbon-nitrogen ratio correction coefficient and the windrow stage carbon-nitrogen ratio correction coefficient, insufficient high-temperature periods can be avoided and nitrogen loss reduced, thereby improving the quality of the compost products.

This invention relates to the field of water treatment technology and discloses an intermittent electrocatalytic treatment method for trace estrogen in reclaimed water. The method is carried out in a three-dimensional electrode reactor. Before formal treatment, a pre-treated water sample containing the estrogen to be removed is used to pre-saturate the particle electrode. Subsequently, reclaimed water containing one or more estrogenic pollutants is continuously introduced into the reactor, operating at a current density of 1.0–10.0 mA / cm², a hydraulic retention time of 5–20 min, and an aeration rate of 0–3.0 L / min. An intermittent power supply mode with alternating power on and off is employed, wherein the ratio of power on time to power off time is 1:1, and the power off time is 2–120 s. During the power off phase, the estrogen to be removed accumulates on the surface of the particle electrode. During the power on phase, the particle electrode repolarizes to form a micro-battery and undergoes electrochemical oxidation in conjunction with the anode, causing direct oxidation and / or indirect oxidation mediated by an electrogenerated oxidant, while the particle electrode achieves in-situ regeneration. The method is applicable to the treatment of trace amounts of estrogens in reclaimed water, preferably one or more of estrone (E1), 17β-estradiol (E2), estriol (E3), 17α-ethinylestradiol (EE2), and bisphenol A (BPA). This invention can reduce the artificially inflated impact of adsorption on the evaluation of treatment effectiveness, and reduce energy consumption while ensuring treatment efficiency.

The invention provides a charcoal particle electrode, an electro-Fenton reactor and application thereof, and belongs to the technical field of advanced oxidation of wastewater. The biochar particle electrode sequentially comprises a cylindrical air channel layer and a biochar filler circular ring layer from inside to outside, the outer side of the cylindrical air channel layer is coated with the biochar filler circular ring layer, the cylindrical air channel layer comprises an inner-layer cylindrical air channel and an outer-layer cylindrical air channel, and the outer-layer cylindrical air channel is embedded in the outer side of the inner-layer cylindrical air channel. Air holes are formed in the side surfaces of the inner-layer cylindrical air passage and the outer-layer cylindrical air passage; the biochar particle electrode further comprises a pneumatic interface, a pressure release valve and a filler cover plate; the pneumatic interface is embedded into the top of the inner-layer cylindrical air channel, and the pressure release valve is arranged on the air channel cover plate; the filler cover plate is arranged at the top of the biochar filler circular ring layer. The biochar particle electrode can shorten the oxygen mass transfer distance, improve the aeration efficiency, ensure the concentration of free radicals on the surface of the electrode, strengthen the degradation effect of pollutants, facilitate the adjustment of the aeration rate, and is convenient to use and good in use effect.

This invention discloses a seasonal adaptive wastewater treatment system based on multi-mode spatial reconstruction and feedforward-feedback control, relating to the field of biological wastewater treatment ponds. It aims to solve the technical problems of traditional fixed-volume pond designs being unable to adapt to significant fluctuations in water quality and quantity between winter and summer, and the poor resistance to short-term shocks due to the lag in traditional control systems. The technical solution involves setting up a bidirectional adjustable zone between conventional anaerobic, anoxic, and aerobic ponds. By changing the volumes of the anaerobic, anoxic, and aerobic zones, the spatiotemporal reconstruction of the hydraulic retention time can be achieved seasonally. Simultaneously, a feedforward-feedback control system is constructed. By monitoring influent temperature, flow rate, and influent and effluent water quality in real time, the aeration rate of the biological pond and the internal and external reflux ratio are dynamically adjusted to rationally redistribute the limited carbon sources in the wastewater, improving the system's ability to cope with short-term high-load water treatment and ensuring the synergistic nitrogen and phosphorus removal effect of biological treatment.

The utility model relates to an adjustable and liftable aeration device, and belongs to the technical field of sewage treatment equipment. The device comprises an aeration main pipe, a liftable supporting assembly, an adjusting mechanism and a lifting mechanism, the adjusting ring is rotated to drive the threaded rod to be linked with the supporting cross rod to realize stepless height adjustment of the aeration head, and the fixed bracket with the slide rail and the guide block structure are matched to ensure the lifting stability. The flexible corrugated pipe is connected with the main pipe and the branch pipe to achieve airtight compensation, and the lifting chain and the lock catch assembly facilitate overall maintenance. Compared with a traditional fixed aerator, the device has the functions of dynamic adjustment of the aeration rate and rapid maintenance, and solves the technical problems that traditional equipment is low in adjustment precision and long in maintenance production halt period.

This invention relates to the field of wastewater treatment technology, specifically to a dual-loop control method for aerobic space-aeration based on the nitrification process in wastewater treatment, constructing a dual loop of "on-demand aeration" and "on-demand aerobic" aeration. In the aeration loop, a SAD (Self-Aeration Optimization) method is proposed. n The indicator integrates deep learning feedforward prediction and PID feedback correction with dead zone to precisely control aeration rate directly with ammonia nitrogen removal as the target; in the aerobic space loop, a SAD is established. n A U-shaped curve correlation model with aeration intensity is used to solve for the economic aeration intensity through a neural network, and the optimal aerobic zone volume is dynamically calculated in conjunction with the target aeration rate. The two loops are decoupled and coordinated based on the nitrification process, ensuring the aeration system always operates at its optimal energy efficiency point. This invention achieves in-situ, zero-delay, and precise control of the biological nitrification process. While ensuring stable compliance with effluent ammonia nitrogen standards, it significantly reduces aeration energy consumption and the unit consumption of added carbon sources, improves total nitrogen removal rate, and achieves energy saving, consumption reduction, and quality improvement in wastewater treatment.

This application relates to the field of pesticide production technology, specifically disclosing a fermentation production process for avermectin and avermectin itself. The avermectin fermentation production process involves inoculating *Streptomyces avermectin* into a culture medium for fermentation. The fermentation process is divided into five stages: 0-20 hours for the adaptation period, 21-80 hours for the growth period, 81-250 hours for the stationary period, and 251-300 hours for the aging period. The aeration rate during the adaptation period is 2000-2500 L / h, during the growth period it is 3000-3200 L / h, during the stationary period it is 2200-2500 L / h, and during the aging period it is 1900-2100 L / h. This avermectin fermentation process can achieve an avermectin yield of 6.89-7.11 g / L, effectively increasing avermectin production. Furthermore, the flexible adjustment of the aeration rate can effectively reduce gas waste, conserve resources, and improve overall economic efficiency.

The invention discloses a multi-chamber linkage medicine and food homology compound fermentation reaction device and method, and relates to the technical field of medicine processing.The multi-chamber linkage medicine and food homology compound fermentation reaction device comprises a multi-chamber treatment mechanism, and the multi-chamber treatment mechanism comprises a material temporary storage chamber, a gradient fermentation chamber set, a post-treatment chamber and a finished product concentration chamber which are sequentially arranged from top to bottom; the gradient fermentation cavity group comprises three independent fermentation sub-cavities. Through the design of the three independent sub-chambers of the gradient fermentation chamber group, parameters such as the temperature, the aeration rate and the pH value of each chamber can be respectively and accurately regulated and controlled, different fermentation requirements of different raw materials in medicine and food homologous compounds are met, the problem of insufficient fermentation caused by single-parameter whole-course fermentation is avoided, the raw materials are more thoroughly fermented, and the conversion rate of active ingredients is higher; and meanwhile, the cavities are connected in series through the communicating pipe with the built-in electromagnetic valve, automatic material conveying is achieved in cooperation with the control terminal, manual intervention is replaced, the production efficiency is remarkably improved, and the material pollution risk is greatly reduced.

This invention discloses a modular ecological filter dam system based on intelligent regulation. The system includes an intelligent monitoring and optimization subsystem and several ecological filter dam units. Each ecological filter dam unit includes a rigid frame, a bio-zeolite layer, and a plant anchoring layer. The bio-zeolite layer and the plant anchoring layer are laid sequentially from top to bottom within the rigid frame. Several ecological filter dam units are arranged and combined in the water body to be purified to form an ecological filter dam. The intelligent monitoring and optimization subsystem includes a sensing module, an intelligent decision-making module, and an execution module for sequential information transmission. The execution module includes an aeration device and an automatic baffle. The sensing module monitors the water quality parameters before and after purification. The intelligent decision-making module sends signals to the aeration device and electromagnetic actuator based on the water quality parameters detected by the sensing module, causing the aeration device to dynamically adjust the aeration rate and the electromagnetic actuator to drive the corresponding automatic baffle to extend and retract. This invention enables real-time water quality monitoring, purification efficiency prediction, and dynamic regulation.

The invention relates to the technical field of wastewater purification, and particularly discloses wastewater purification aeration treatment equipment which comprises a supporting bracket, an aeration box body is fixedly connected to the top of the supporting bracket, a scum cleaning box body is fixedly connected to one side of the aeration box body, a first cleaning opening is formed in the side, away from the aeration box body, of the scum cleaning box body, and a second cleaning opening is formed in the side, away from the aeration box body, of the scum cleaning box body. A drainage shell is fixedly connected to the part, located on one side of the scum cleaning box body, of the top of the aeration box body, one side of the drainage shell is fixedly connected with the scum cleaning box body, one side of the scum cleaning box body is communicated with a water inlet of a filtering tank through a pipeline, and a water outlet of the filtering tank is communicated with a water inlet of a reflux water pump through a pipeline; according to the aeration treatment equipment for wastewater purification, the change of the aeration rate is realized by separating scum and adjusting a water retaining ring, and meanwhile, the aeration treatment equipment is matched with other devices to wash and stir bottom sediments, so that the wastewater treatment efficiency is improved.

The invention relates to a dual-power vertical flow reactor which is formed through a flow pushing device and an aeration device. On one hand, by taking sewage treatment as an example, clear liquid, floc sludge and small-particle-size granular sludge can enter the inner reaction cavity through small-size sieve pores, and under the action of the flow pushing device, a large amount of small-particle sludge is adsorbed, and internal circulation is rapidly carried out; large-particle sludge passes through the through holes downwards along the way, and internal circulation is slowly carried out under the aeration effect; on the other hand, the plug flow speed of the plug flow device and the aeration rate of the aeration device are cooperatively controlled according to reaction indexes in the reactor body, so that the inner reaction area, the outer reaction area and the particle conditioning area are adjusted to be in a proper environment.

The invention discloses a flounder industrial aquaculture tail water treatment device and method, and belongs to the technical field of sewage treatment.The flounder industrial aquaculture tail water treatment device comprises an aquaculture tail water concentration device, a separation device, an aerobic nitrification device, an aerobic denitrification and oxygen elimination device and an anaerobic denitrification device which are sequentially communicated, and tail water is communicated with the aquaculture tail water concentration device; a part of sludge generated by the separation device is communicated with the anaerobic denitrification device; the other part of sludge generated by the separation device is communicated with a fermentation tank, and the fermentation tank is communicated with an anaerobic denitrification device; and foam generated by the separation device is communicated with the aerobic denitrification oxygen elimination device. The functional areas are clear in partition, mutually connected and relatively independent. Operators can independently adjust the hydraulic retention time (HRT), the sludge reflux ratio, the aeration rate and other key parameters of each area according to the change of the water quality and the water quantity of inlet water, and accurate control is achieved.

The invention discloses a detoxification treatment device for high-salt and high-toxicity chemical synthesis wastewater, which is integrated with an electrochemical and biological coupling technology, and belongs to the technical field of wastewater treatment. The detoxification treatment device comprises a wastewater treatment system, and the wastewater treatment system comprises an anaerobic zone, a first anoxic zone, a second anoxic zone, an aerobic zone and a micro-aerobic-electrochemical coupling zone; an aeration device is arranged between the second anoxic zone and the aerobic zone, an aeration pipe group is arranged at the bottom of the aeration device, and the aeration pipe group comprises a connecting pipe group; the connecting pipe group comprises an aeration transverse pipe and aeration connecting pipes, and the aeration connecting pipes are connected to the two ends of the aeration transverse pipe; the eduction tube group comprises an eduction tube and an aeration disc, aeration holes are densely formed in the aeration disc, and anti-crystallization assemblies are arranged on the aeration holes; the output air pressure is increased under the condition that the aeration rate is not changed through cooperation of the adjusting valve system and the movable baffle, the air pressure is ejected out through the anti-crystallization assembly on the aeration hole to complete aeration output, and meanwhile the possibility that salt crystals and sludge enter the aeration hole is reduced.

This application relates to the field of wastewater treatment technology and discloses a precise aeration system based on the ASM model and AI. It includes front-end water quality sensing equipment, a PLC control system, a host computer monitoring system, an intelligent aeration server, and a blower unit. The front-end equipment collects influent data and environmental parameters; the PLC receives data and executes instructions; the server runs the ASM2D mechanistic model and LSTM algorithm, executing a two-stage coupled operation logic. In the first stage, the ASM2D mechanistic model is used in conjunction with engineering formulas for actual control and data accumulation. In the second stage, intermediate parameters are output from the ASM2D mechanistic model and used as input to predict the aeration rate using the LSTM algorithm. This invention, through the coupling of a mechanistic model and deep learning algorithm, achieves prediction and closed-loop control of aeration rate under complex operating conditions, helping to solve the control lag problem under nonlinear time sequences, ensuring effluent water quality meets standards while reducing operating energy consumption.

This invention discloses a method for preparing SUMO-tagged thiamine pyrophosphate kinase using a fermenter, belonging to the field of bioengineering technology. The method involves culturing glycerol bacteria containing recombinant genetically engineered bacteria in a 5L fermenter with 3L of culture medium and added oxygen carrier. The aeration rate is controlled at 3.5L / min and the rotation speed at 450 rpm. Isopropyl-β-D-thiogalactoside is added to a final concentration of 0.2 mM, and induction is performed at 20°C for 20 h. The target product is obtained after cell collection, resuspension, disruption, and centrifugation purification. This invention optimizes the fermenter process parameters, improving the soluble expression level of the target protein and the efficiency of large-scale preparation. The process is stable, reproducible, and suitable for industrial production.