560 results about "Biological reaction" patented technology

The invention relates to the technical field of water treatment intelligent control, in particular to an AI-based intelligent urban water purification and sewage treatment process optimization system and method, and the method comprises the steps: obtaining related sensor data information, and monitoring and recording the change of key data in real time; establishing a water quality change prediction model by using a multiple linear regression model, wherein the water quality change prediction model predicts the water quality change according to the key data change acquired in real time; the dynamic agent AI model adjusts the dosage, and the water treatment chemical / biological reaction kinetics AI model predicts the pollutant degradation condition; a local lightweight AI model optimizer and a multi-target genetic algorithm are combined with energy consumption, medicament cost, processing efficiency and carbon emission to obtain an optimal control model; the optimal control model optimizes the operation parameters of the sewage treatment process according to the pollutant degradation condition. According to the method, the operation parameters of the sewage treatment process are optimized through the optimal control model, the energy consumption, the agent cost and the carbon emission are reduced, and the treatment efficiency is improved.

The invention relates to the technical field of fermentation control, in particular to an intelligent optimization control system of an aroma-enhancing compound leavening agent, which comprises a strain culture selection module, a fermentation process monitoring module, an environment optimization adjustment module and a fermentation effect evaluation module. According to the method, accurate analysis and optimization of microbial reaction in the fermentation process are realized, the selection efficiency of the strain culture combination is improved, the fermentation process can be carried out under the optimal condition, the efficiency of biological reaction is remarkably improved, potential risks and behavior abnormalities can be recognized in time through analysis of time sequence data, and the safety of the fermentation process is improved. The fermentation control process is optimized by dynamically adjusting key parameters, environmental parameters are adjusted through a nonlinear regression model and monitored in real time, the environmental stability is enhanced, it is ensured that the fermentation process is continuous and efficient, data of the whole process are comprehensively analyzed, the fermentation effect is accurately evaluated, multiple performance indexes are quantified, and the quality of a leavening agent is improved.

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

The invention provides a photocatalysis and biological reaction mixed efficient air purification system, and relates to the technical field of biological air purification, the system comprises a photocatalysis reaction module, a biological reaction module, an intelligent control module, a sensor monitoring module, a data analysis and optimization module, and a modularization and self-maintenance module; the system is combined with a photocatalytic reaction module and a biological reaction module, a multi-stage degradation and efficient decomposition treatment mode is adopted, the photocatalytic reaction module firstly degrades pollutants in air into intermediate products, then the biological reaction module further degrades the intermediate products through microorganisms, and finally thorough purification is achieved. According to the multi-stage synergistic reaction, the air purification efficiency is remarkably improved, thorough removal of pollutants in the treatment process is ensured, the environmental risk is reduced, various indexes in the degradation process are dynamically adjusted through a multi-target optimization algorithm, it is ensured that each stage achieves the optimal effect, and the performance and stability of the whole system are further improved.

The invention discloses a dynamic optimization setting method and system for process parameters of a biological reaction tank of a sewage treatment plant based on machine learning. The method comprises the following steps: S1, data acquisition; s2, data integration and preprocessing; s3, establishing an effluent quality and concentration simulation prediction matrix; s4, carrying out model fusion; and S5, carrying out dynamic optimization setting on the technological parameters of the biological reaction tank based on the effluent quality simulation prediction model matrix established in the steps S1 to S4. The method comprises the following steps: firstly, establishing an outlet water quality high-precision simulation prediction model matrix, performing setting optimization on process parameters of a green pool and a reverse pool by adopting a particle swarm algorithm according to the model matrix, and finally obtaining process parameter set values of a future operation period; the advanced data analysis technology is fully utilized, the operation efficiency and effect of the sewage treatment plant are improved through the steps of collecting, processing, predicting, optimizing and the like, and energy conservation and consumption reduction are achieved on the premise that it is guaranteed that the effluent of the sewage treatment plant stably reaches the standard.

The invention relates to the technical field of sewage treatment, and discloses an integrated sewage treatment method based on intelligent sensing. According to the method, sewage flow, PH value, temperature, turbidity and suspended matter concentration are collected in real time through an intelligent sensor, in each treatment link, the intelligent sensor can monitor the concentration of organic matter, nitrogen, phosphorus and other pollutants, the pollutant removal rate and the biological reaction rate are calculated, timely adjustment of a sewage treatment strategy is achieved, and the sewage treatment efficiency is improved. Through real-time monitoring of dissolved oxygen, temperature and mixed liquid reflux ratio in the bioreactor, reaction conditions are optimized, biodegradation efficiency and sludge yield are improved, and through monitoring of the dosage and reaction time in the reaction process, the dosage adding proportion is optimized, so that the removal effect of chemical reaction is improved; finally, the flow, the PH value, the chemical oxygen demand and the biological oxygen demand of the treated effluent are comprehensively monitored, so that the sewage treatment efficiency and reliability are remarkably improved.

The invention relates to an anti-clogging artificial wetland system based on an intelligent algorithm, and belongs to the technical field of ecological equipment, the system comprises a biological reaction tank, a sensing module, an automatic control module and a cleaning module; the sensing module is mounted in the biological reaction tank and is used for collecting state information of the biological reaction tank and sending the state information to the automatic control module; the state information comprises dissolved oxygen data, pH value, water flow, water level and water pressure; the automatic control module is used for predicting the water quality and the constructed wetland blockage degree according to the state information to obtain a blockage degree value, judging whether the blockage degree value is greater than a blockage threshold value or not, and sending a judgment result to the cleaning module if the blockage degree value is greater than the blockage threshold value; and the cleaning module is used for adjusting the water flow and the dissolved oxygen concentration of the biological reaction tank according to the judgment result to remove blockages. The problems that in the prior art, a constructed wetland substrate is prone to being blocked, so that the inflow water flow is unstable, and the effluent water quality is poor are solved.

The invention relates to a vertical flow enhanced biological denitrification device and a sewage treatment method, a denitrification agent adding assembly is additionally arranged at a proper position of an existing vertical flow reaction device, namely the outer side of an outer inclined flow guide part, a corresponding enhanced denitrification agent can be added at a selected point position, a denitrification reaction is further enhanced, and the denitrification effect is improved. The selective reaction of the functional microorganism reaction is improved, nitrate generated by the anaerobic ammonia oxidation reaction is consumed, and a sufficient matrix is provided for anaerobic ammonia oxidation, so that the anaerobic ammonia oxidation reaction is greatly promoted, and the total nitrogen removal rate is further improved; by accurately controlling the dosing position and accurately dosing according to the reaction, the nitrogen removal efficiency of the autotroph is enhanced, the coordination of the minimization of the dosing amount of the medicament and the maximization of the nitrogen removal efficiency is realized, and finally, the green, low-carbon, economical and efficient nitrogen removal target of the sewage is achieved.

The invention relates to the technical field of sewage treatment automatic control, and discloses a control system for a sewage treatment plant, which comprises a multi-modal biosensing module, the multi-modal biosensing module is deployed in an anaerobic zone and an aerobic zone of a biochemical reaction tank, and a cloud edge collaborative data processing module comprises an edge calculation module and a cloud optimization platform. The edge calculation module preprocesses data collected by the multi-mode biosensing module and executes emergency control, the cloud optimization platform operates the multi-target dynamic optimization module and the digital twin model, and the self-adaptive decoupling controller receives control parameters output by the multi-target dynamic optimization module. By deploying the multi-modal biosensing modules in the anaerobic zone and the aerobic zone, the real-time acquisition of biochemical reaction parameters of each zone along the way is realized, and the microbial metabolic activity change in the biological reaction process can be accurately captured in combination with the pretreatment of the edge calculation module and the analysis of the cloud optimization platform.

The multi-mode switching sewage treatment system provided by the invention comprises a primary sedimentation tank, a biological tank and a secondary sedimentation tank, and the biological tank comprises a tank body, a partition wall, a gate, a filler, a stirrer, an aeration system, a nitrification liquid reflux pump, a pipeline and a valve system; the tank body forms a biological reaction tank; the biological reaction tank is divided into a pre-anoxic zone, an anaerobic zone, an anoxic zone and an aerobic zone by the partition walls; the gate is arranged on the partition wall, the water flow direction of the sewage treatment system is switched and adjusted through opening and closing of the gate, and the nitrification liquid reflux pump adjusts the quality of reflux liquid through opening and closing of the gate so as to be switched to different modes of multiple modes of the sewage treatment system; the pipeline and valve system performs flow control on sewage, sludge and air, and different modes of multiple modes are switched by opening and closing the gate and adjusting the position of the filler. According to the invention, the switching of the sewage treatment system in different modes under different conditions is realized.

The invention relates to a fermentation tank for microbial reaction, in particular to a forced internal circulation type microbubble reactor with a guide cylinder, which comprises a tank body (1), a cylindrical guide cylinder (3) is arranged in the tank body (1), an overflow weir (32) is arranged at the upper part of the guide cylinder, and more than one liquid outlet pipe is arranged at the lower part of the guide cylinder; the upper part of the tank body (1) is provided with a plug flow stirrer (2), the lower end of the plug flow stirrer is provided with a plug flow paddle (24), and the plug flow paddle is positioned at the upper part of the guide cylinder (3); and at least one microbubble generator (4) is arranged in the guide cylinder (3) and is communicated with the air guide pipe. By means of the built-in guide cylinder, the device is large in flow, small in power consumption, mild in flowing, small in shearing force on liquid, uniform in airflow mixing, convenient to distribute and more suitable for a biological fermentation system.

The invention discloses a membrane filtration sewage treatment system based on fine control, relates to the technical field of sewage treatment, and solves the technical problems of delayed response to water quality and water quantity fluctuation and extensive biochemical reaction control caused by water inlet load impact in an existing sewage treatment system. The system comprises an inflow water pretreatment module used for predicting inflow water quality in real time by using a water quality prediction model based on a neural network, and carrying out water quantity balance and water quality adjustment on inflow water according to a prediction result to obtain a first water body; the biochemical reaction module is used for cooperatively controlling external carbon source addition, nitrification liquid backflow and aeration intensity in the biological reaction process of the first water body by utilizing a multivariable model predictive control method to obtain a second water body after biochemical reaction; and the deep purification module is used for carrying out solid-liquid separation and deep purification on the second water body to obtain an effluent water body, and triggering cleaning and maintenance operation of the membrane based on a prediction result of the membrane pollution characteristics.

The invention relates to the technical field of sewage treatment, in particular to an internal and external backflow automatic control system for sewage treatment. The system comprises an internal reflux system and an external reflux system, and the internal reflux system adjusts the frequency of internal reflux pumps or the number of started internal reflux pumps by monitoring the change of water quality parameters such as nitrate nitrogen, nitrite nitrogen, ammonia nitrogen and dissolved oxygen so as to maintain the balance of nitrification and denitrification reactions; and the external reflux system adjusts the flow of an external reflux pump by monitoring the sludge concentration and the sludge level height so as to maintain the concentration and activity of microorganisms in the biological reaction tank. Besides, the system also adopts a mathematical model, a feedforward control strategy and a feedback control module, so that the response speed and the stability of the system are improved, the effective treatment of sewage is ensured, and the overall treatment efficiency and the effluent quality are improved.

The invention provides a continuous flow aerobic sludge granulation screening device and application. The whole structure of the device is divided into an upper part and a lower part; the upper part adopts a cylindrical or cubic structure, the lower part adopts an inverted conical structure, and the height-diameter ratio range is 1-10. The internal structure of the device is sequentially divided into an outflow area, a buffer area, a settling area and a sludge storage area from top to bottom. The hydraulic surface load range in the device is 1-9 m < 3 > / (m < 2 >. H). Wherein sludge separation facilities are arranged in the buffer area of the device, comprise but are not limited to inclined plates, inclined pipes, filter materials, baffles and the like, and are used for separating light floc and high-density coagulated sludge. The device can be directly mounted between a main flow biological reaction tank and a secondary sedimentation tank in a continuous flow sewage biological treatment process flow, and high-density sludge is screened through a sedimentation velocity selective pressure principle and a physical interception effect of a buffer area and is stably formed into granular sludge; the rapid transformation from flocculent sludge to granular sludge in a continuous flow biological sewage treatment process is realized.

The utility model provides an organophosphorus-containing wastewater treatment system. The organophosphorus-containing wastewater treatment system comprises an adjusting tank, an oxidation unit, a physicochemical treatment unit and a biological reaction unit which are connected in sequence, wherein the adjusting tank is provided with an acid-base medicament feeding port; the oxidation unit is provided with an oxidant feeding port; the physicochemical treatment unit comprises a coagulation zone, a flocculation zone and a sedimentation zone which are connected in sequence; the coagulation area is provided with a coagulant feeding port, the flocculation area is provided with a flocculant feeding port, the bottom surface of the coagulation area is communicated with the bottom surface of the flocculation area through a pipeline, and the bottom surface of the coagulation area is higher than the bottom surface of the flocculation area; a biochar layer is arranged in the biological reaction unit and is suitable for degrading organic phosphorus-containing wastewater. The organophosphorus-containing wastewater treatment system disclosed by the utility model can realize efficient treatment of the organophosphorus-containing wastewater.

The invention provides a treatment device for wastewater generated after dyeing of a high-elasticity fabric. The treatment device comprises a coarse filter tank; the adjusting tank is arranged on one side of the coarse filtering tank. According to the treatment device for wastewater generated after dyeing of the high-elasticity fabric, fiber impurities, yarn broken ends and large-particle suspended solids are accurately intercepted from the coarse filtering tank of the pretreatment module, disperse dyes and colloid impurities are efficiently adsorbed and settled in the reaction tank, the sedimentation tank and the air floatation tank by means of a specially-made coagulant and coagulant aid combination, and the high-elasticity fabric is obtained. An anaerobic and aerobic biological reaction tank of the biochemical treatment module is used for deeply degrading organic pollutants in wastewater, and a fine filtering tank and a disinfecting tank of the deep treatment module are used for ensuring that the water is clear and transparent and the biological safety reaches the standard; various pollution indexes such as chromaticity, suspended matters, organic matters and microorganisms of the wastewater can be accurately attacked, so that the treated wastewater stably reaches or even is superior to the discharge standard, the purification efficiency is greatly improved, and the energy-saving and emission-reducing concept is met.

The invention, which relates to the intelligent agriculture field, discloses an artificial intelligence-driven multi-nutrition-level comprehensive culture and proliferation system comprising an ecological sensing module, an ecological topology module, a decision control module, an execution control module and a risk response module. Wherein the ecological sensing module is used for collecting multi-dimensional ecological parameters in a breeding environment and constructing an ecological data set; the ecological topology module is used for constructing a weighted directed graph topology structure; the decision control module is used for constructing an ecological regulation and control model based on the competitive reward function to generate a dynamic regulation strategy for ecological regulation and control; the execution control module is used for controlling cultivation related execution equipment; and the risk response module is used for recording the current operation state parameters and activating the standby biological reaction chain structure to reconstruct the ecological regulation and control model, and the system is supported by national key research and development plan subsidization (2024YFD2401801).

The invention discloses a sewage biological reaction tank treatment method based on plant root filler, and relates to the technical field of environmental engineering and water treatment.The sewage biological reaction tank treatment method comprises the following steps that a unified event time base line is constructed, an inflow fluctuation frequency spectrum is extracted, nutritive salt layering fingerprints are generated, and a layering risk field in a reaction tank is quantified; under the constraint of layered fingerprints of nutritive salt, the three-dimensional gradient of dissolved oxygen distribution is reconstructed, an oxygen debt threshold value is calculated, and micro-area space coordinates of the suffocation area are positioned. By constructing a uniform event time baseline, time sequence identification and response control of inflow disturbance are realized, a precise positioning suffocation area is reconstructed in combination with nutritive salt layered fingerprints and oxygen distribution, a root zone physiological signal is introduced to identify a fragile layer, and aeration and inflow are cooperatively regulated and controlled, so that synchronous destructive intervention is realized; finally, a layered structure is controlled and cut off through the time reversal flow state, a dynamic closed-loop regulation and control mechanism is constructed, and the stability of the reaction tank under the fluctuating working condition and the consistency of the effluent quality are effectively improved.

The utility model relates to a denitrification strengthening device based on AOA process coupling MABR membrane, which comprises a water distribution system, a biological reaction system and a sedimentation tank, the water distribution system comprises a water inlet pipeline, and the water inlet pipeline is provided with two branches, namely a water distribution pipeline I and a water distribution pipeline II; the water distribution pipeline I and the water distribution pipeline II are both connected with the biological reaction system; the biological reaction system comprises an anaerobic tank, an aerobic tank and an MABR membrane tank which are communicated in sequence, and an MABR membrane assembly is arranged in the MABR membrane tank; the MABR membrane tank is communicated with the sedimentation tank, the sedimentation tank is provided with a sludge return pipe which is connected to the front end of the anaerobic tank, and the sedimentation tank is also provided with a water outlet pipeline and a sludge discharge pipeline. The AOA process is coupled with the MABR membrane, so that the occupied area and the use amount of the MABR membrane are reduced, the two denitrification processes are superposed, the denitrification effect of sewage treatment is enhanced, and the denitrification efficiency is improved by more than 30%; the anoxic tank part of the AOA process is provided with the MABR membrane tank, and the MABR membrane tank can be used for synchronously carrying out denitrification and nitrification and denitrification under the condition of low carbon nitrogen ratio, so that efficient denitrification is realized.

The present invention discloses a medicine production wastewater denitrification treatment system, and relates to the technical field of medicine production wastewater treatment, and the system comprises: a raw water pretreatment module, which is composed of a homogeneous regulation unit, a physicochemical purification unit and a biological hydrolysis pretreatment unit, and is used for treating original medicine production wastewater into biochemical friendly water; the core denitrification module consists of a denitrification unit, a nitrification unit and a circulating regulation and control unit and is used for converting the biochemical friendly water into low-nitrogen reaction water; the deep finishing module is composed of a membrane biological reaction unit, a rear denitrification unit and an activated carbon polishing unit, and is used for converting the low-nitrogen reaction water into standard discharge water; and the operation guarantee module is composed of an online monitoring unit, an automatic adding unit, a sludge management unit and an energy efficiency optimization unit, and is used for collecting and integrating water quality and working condition parameters of each treatment position to form a system operation state set. The system is clear in structure, excellent in denitrification effect and suitable for advanced treatment of pharmaceutical wastewater.

The invention provides an up-to-standard treatment method for wastewater containing ammonia nitrogen and difficult-to-treat copper-cyanogen, and belongs to the field of wastewater treatment.The wastewater enters a first-stage oxidation reactor at first, the stable structure of a copper-cyanogen complex is destroyed by adding an oxidizing agent, then a copper removal agent and a pH adjusting agent are added into a copper removal reactor, copper ions are precipitated and separated out, and then the wastewater enters a second-stage oxidation reactor; the method comprises the following steps: carrying out oxidation and solid-liquid separation to remove copper sludge, carrying out oxidation and solid-liquid separation on treated overflow liquid and press filtrate after convergence so as to thoroughly remove residual cyanide and organic matters, and finally, conveying purified liquid which is subjected to two-stage oxidation and is subjected to copper cyanide interference removal to a biological reaction system to carry out biochemical reaction. And finally, the effluent reaches the recycling or discharging standard. The method effectively solves the problem of toxicity inhibition of difficult-to-treat wastewater on a biochemical system, realizes step-by-step removal and resource utilization of toxic and harmful substances, ensures stable and up-to-standard reuse or discharge of effluent, and has the advantages of efficient treatment, economy, environmental protection and convenient operation.

A nucleic acid extraction composition, reagents and kits containing the same and uses thereof. Provided is a nucleic acid extraction and purification reagent free of volatile organic solvents, which prevents the damage of volatile organic solvents to people and greatly improves the timeliness of nucleic acid extraction and purification, making the operation extremely simple, and the nucleic acid can be obtained within 10 minutes. The obtained nucleic acid may be used for biological reactions such as PCR, NASBA, LAMP and RPA. Moreover, the reagents of the present disclosure may be used to extract nucleic acids of cells, bacteria, fungi, DNA viruses and RNA viruses from various samples such as blood, throat swab preserving fluid, saliva, urine, sputum, excrement and the like, and very suitable for clinical and scientific research uses.

The invention discloses a biological coupling treatment device and method for high-salt organic wastewater, and relates to the technical field of wastewater treatment.The biological coupling treatment device comprises a pretreatment unit, a biological treatment unit, a physical and chemical treatment unit, a desalination unit and a post-treatment unit, the bio-membrane reactor comprises a biological reaction tank and an MBR membrane assembly, activated sludge is arranged in the biological reaction tank, an aeration assembly and a limiting assembly are arranged at the bottom of the MBR membrane assembly, a flow pushing assembly is arranged on the bottom side in the biological reaction tank, and the MBR membrane assembly comprises a frame. According to the invention, the aeration structure is optimized, the permeability of the MBR membrane is guaranteed, the cleaning frequency is reduced, the service life of the membrane is prolonged, in addition, the aeration structure is optimized, so that bubbles are uniformly distributed, and the oxygen content of each region is kept uniform.

The invention discloses a multi-stage biological deodorization system with double bacterium areas. The system comprises N circulating units formed by sequentially arranging desulfurization biological reaction zones and denitrification biological reaction zones according to the airflow direction, wherein N is greater than or equal to 1; the desulfurization biological reaction zone comprises a biological filler layer I, a desulfurization strain and a nutrient solution I, and the denitrification biological reaction zone comprises a biological filler layer II, a denitrification strain and a nutrient solution II; wherein the biological filler layer I and the biological filler layer II are respectively arranged at the middle parts of the desulfurization biological reaction area and the denitrification biological reaction area, the volume ratio is 1: 2, and waste gas enters from the bottom end of the system and flows back in the system. The biological deodorization system can obviously improve the deodorization efficiency and the system stability.

The invention discloses a biological reaction device for feed enzymolysis fermentation and a use method, and relates to the technical field of feed enzymolysis fermentation, and the biological reaction device comprises a tank body, a sealing cover and a partition plate. By means of the fermentation area, the enzymolysis area and the intelligent material circulation assembly, partial backflow and secondary fermentation of enzymolysis products are achieved, the raw material utilization rate and the final product yield are increased, the fermentation area integrates the functions of stirring, temperature control, pH monitoring, gas supply and automatic enzyme inducer adding, the enzyme inducer can be dynamically regulated and input according to pH probe data, and the fermentation efficiency is improved. In the enzymolysis area, a sound wave generator is used for enhancing the enzymolysis reaction efficiency, a second arc-shaped heating block is matched to provide a uniform and appropriate temperature, meanwhile, a filter screen driven by a vibrator is used for separating materials and preventing blockage, the smoothness and high efficiency of the enzymolysis process are guaranteed, and the enzymolysis efficiency is improved. Further, the reaction rate and the product quality are improved, and the energy consumption and the manual operation intensity are reduced.

The invention provides a wastewater treatment system integrating solar energy and biological energy, which is applied to the field of sewage treatment and comprises a multi-stage pretreatment pool and an anaerobic biological reaction tank, a sewage delivery pipe is arranged at the bottom of the anaerobic biological reaction tank, and a three-phase separator is arranged at the top of the anaerobic biological reaction tank. A mixing mechanism and a driving mechanism are arranged at the bottom of the anaerobic biological reaction tank; an anaerobic delivery pipe is arranged at the bottom of the anaerobic biological reaction tank, and a filtering mechanism for treating anaerobic biological carrier particles is arranged on one side of the outer wall of the anaerobic biological reaction tank; a solar photovoltaic panel and a storage battery are arranged on the anaerobic biological reaction tank; by integrating solar energy and biological energy, the operation cost can be reduced, and cyclic utilization of energy is achieved. And the mixing mechanism and the driving mechanism are in close cooperative operation, so that anaerobic biological carrier particles and sewage are fully mixed, the anaerobic biological reaction efficiency is improved, and the wastewater treatment effect is further improved.

The invention provides an auxiliary operation and maintenance prediction method and device for a biological reaction tank activated sludge treatment process based on a robot, relates to the field of sewage treatment, and solves the technical problem that the early warning capability for abnormal sludge working conditions is insufficient due to the fact that dynamic association between sludge character indexes and effluent quality is not fully considered. The method comprises the following steps: inputting preprocessed water quality data into a water quality parameter prediction channel, and extracting a long-term dependency relationship and a local mode of a water quality parameter sequence from the water quality data through a time sequence convolutional network; and inputting the index data of the pretreated sludge and the image data of the sludge in the biological reaction tank into a sludge character analysis channel, and extracting a bidirectional time sequence dependency relationship and the sensitivity to sequence change through a bidirectional long-short-term memory network. And through a cross attention mechanism in the sludge character and water quality prediction fusion model, carrying out dual-channel feature weighted fusion. The method is used for establishing a sludge character and water quality prediction model and device, and the intelligent operation level of a sewage treatment plant is improved.

The invention discloses a biological reaction device and a stirring method, and relates to the technical field of bioreactors, the biological reaction device comprises a container, an execution device, a sensor and a control device, the execution device comprises a base and a plurality of stirring paddles arranged on the base, the base is detachably installed on the container, the stirring paddles can be inserted into the container, and the sensor is arranged on the container. Each stirring paddle comprises a rotating shaft and a plurality of paddles, the paddles are inclined to the horizontal plane, the rotating directions of every two adjacent stirring paddles are opposite, liquid in the containing cavity can flow along the rotating axis of the stirring paddles in the rotating process of the stirring paddles, and the mixing effect of the cells and the culture solution is improved. The sensor is inserted into the channel of the rotating shaft and extends out of the stirring paddle, parameters in a culture solution can be detected in real time, and the control device can receive a detection signal of the sensor and control the rotating speed of the stirring paddle based on the detection signal, so that full contact and reaction of cells and the culture solution are guaranteed, and the biological culture effect is improved.

The invention provides a treatment device and a treatment method for formaldehyde-containing wastewater. The treatment device comprises an adjusting unit, a degradation pretreatment unit and an anaerobic membrane biological reaction unit, the anaerobic membrane biological reaction unit comprises an anaerobic digestion sludge reaction zone, a membrane separation zone and a reconnection piece, the anaerobic digestion sludge reaction zone is communicated with the membrane separation zone, one end of the reconnection piece is communicated with the membrane separation zone, and the other end of the reconnection piece is communicated with the anaerobic digestion sludge reaction zone. The method can effectively remove formaldehyde, COD and other pollutants in the polyformaldehyde wastewater, effectively resists to-be-treated wastewater pollutant concentration fluctuation and violent water quantity and water quality impact, and has the advantages of low sludge yield, stable treatment and up-to-standard effluent quality.

The invention discloses an urban sewage treatment device, and relates to the field of sewage treatment. The pretreatment unit is used for separating large-particle impurities in the sewage; the composite biological reaction unit is used for carrying out organic degradation and nitrogen-phosphorus conversion on the sewage passing through the pretreatment unit; the nano adsorption unit is used for further removing micro pollutants and heavy metal ions; a detachable plate is arranged at the position, close to the nano adsorption unit, of the treatment box, a first liquid pumping machine is arranged at the top of the treatment box, a first water pipe facing the composite biological reaction unit is arranged on the outer surface of the first liquid pumping machine, and a spraying device facing the nano adsorption unit and provided with a high-pressure spray head is further arranged on the outer surface of the first liquid pumping machine; sewage firstly passes through the pretreatment unit to remove large-particle impurities, then enters the composite biological unit to be organically degraded, and finally enters the nano adsorption unit through the liquid pumping machine to further remove micro pollutants and heavy metal ions, so that multiple treatment is realized.