301 results about "Biological reaction" patented technology

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 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, 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 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 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 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 utility model discloses a multistage deodorization device of a biological filter, which relates to the technical field of waste gas treatment and comprises a treatment tank, the filter box is arranged on the outer surface of the treatment tank and is used for filtering; the sealing cover is arranged on the upper surface of the treatment tank; the heating unit is arranged in the treatment tank and is used for heating; the stirring unit is arranged in the treatment pond and used for stirring, the inner wall of the treatment pond is fixedly connected with a partition plate, and the interior of the filter box is detachably connected with a multi-stage filter screen plate. According to the utility model, the heating box, the circulating pump, the connecting pipe, the circulating heating pipe and the temperature controller are matched with one another to perform auxiliary heating on the interior of the treatment tank, so that microorganisms in the biological reaction tank are facilitated to decompose waste liquid; the waste liquid in the treatment pond can be conveniently and slowly stirred by adopting the mutual cooperation of the treatment pond, the filter box, the hydraulic cylinder, the limiting sliding rod, the moving plate, the connecting plate, the limiting block and the stirring roller, so that the decomposition efficiency of deodorization can be improved.

The application discloses a membrane biological reaction sewage treatment device with sludge recovery and reduction structure and relates to the technical field of membrane biological reaction sewage treatment.The device comprises a treatment pool body, a membrane reaction group arranged on the right side in the treatment pool body, a separation mechanism arranged on the left side in the treatment pool body, a separation partition plate, a separation sieve plate fixedly arranged on the left side in the middle of the separation partition plate, a flow transverse groove arranged in the lower end of the separation partition plate, and a sedimentation mechanism arranged on the middle of the treatment pool body.The left side area of the treatment pool body is isolated by the separation partition plate, the flow transverse groove is arranged in the lower end of the separation partition plate, and the sedimentation mechanism is arranged on the middle of the treatment pool body.The membrane biological reaction sewage treatment device with sludge recovery and reduction structure can separate the water-containing sludge by the treatment pool body, reduce the load of the treatment pool body, and uniformly distribute the medicament by the middle spreading filter box, so that the sewage is efficiently treated by overflowing into the membrane reaction group, and the efficiency of environmental protection treatment is improved.

The utility model relates to the technical field of desulfurization equipment, in particular to a biological desulfurization device for recovering elemental sulfur, which is characterized in that a gas-liquid distributor is arranged above a bioreactor, a sulfur precipitation tank is arranged below the bioreactor, and raw materials uniformly enter the bioreactor after passing through the gas-liquid distributor; and elemental sulfur particles generated by biological reaction enter a sulfur precipitation tank. The device disclosed by the utility model has the beneficial effects that high-efficiency recovery of sulfur and stable operation of the system are realized through gas-liquid distribution optimization, carrier immobilized microorganisms and the high-efficiency sulfur separation module.

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

The utility model discloses a mineral synergetic hypoxia biological reaction device which comprises a rack, a reactor fixed on the rack, a mineral feeding hopper fixed above an opening part of the reactor, a stirring mechanism arranged in the reactor, and a DO probe arranged in the middle of the reactor, an aeration device is arranged at the bottom of the reactor; an overflow port is formed in the upper part of the reactor and is communicated with the interior of the secondary sedimentation tank through an overflow pipe; the device further comprises a wastewater pool, supernate of the wastewater pool is pumped into the bottom of the reactor through a first peristaltic pump, and sludge on the lower portion of the reactor flows back to the secondary sedimentation pool through a second peristaltic pump. The utility model designs a mineral synergistic low-oxygen biological reaction device, a micro-aerobic biological system in the mineral synergistic low-oxygen biological reaction device can be used for removing high-concentration wastewater, and can maintain very high COD (Chemical Oxygen Demand) and ammonia nitrogen removal rate, the average COD removal rate is 97.1%, the average ammonia nitrogen removal rate is 87.3%, and the micro-aerobic biological reaction device can be used for treating the wastewater with high concentration. After iron salt, aluminum salt and other minerals are added, the phosphorus removal capacity of the micro-aerobic biological system can be enhanced.

This invention discloses an environmentally friendly and harmless treatment process for recyclable electrophoresis solution, comprising a storage tank, the outlet of which is connected to a coarse screen tank, the outlet of a plate and frame ultrafiltration tank is connected to a bioreactor, and the outlet of the bioreactor is connected to a filter press. This invention achieves the recycling of the electrophoresis solution through graded treatment in the coarse and fine screen tanks, deep filtration in the plate and frame ultrafiltration tank, mixing and stirring in the bioreactor, and solid-liquid separation in the filter press. This reduces wastewater discharge and environmental pollution. By organically combining physical and biological treatment, harmful substances in the electrophoresis solution can be effectively removed while retaining its recyclable components. This not only helps reduce environmental pollution but also lowers production costs and improves the economic benefits for enterprises. Furthermore, the neutralizing agent used is an organic acid or organic amine, which has better biodegradability and a smaller potential environmental impact.

The invention discloses a compound enzyme faeces degradation method and system based on AI intelligent control, and relates to the field of biodegrading.The method comprises the steps that the physical form of faeces is detected through AI image recognition, the content of organic matter and nitrogen, phosphorus and potassium is analyzed in combination with near infrared spectroscopy, and degradation difficulty is divided and sequenced; proportioning the hypersensitive protein complex enzyme according to the weight of batches, activating at low temperature, adding into a biological reaction cabin, and initializing parameters in the cabin at the same time; environment and reaction parameters are monitored and regulated in real time during degradation, the process is predicted in combination with pH, VOCs and time, enzyme is added for the second time, and a product is exported after the standard is reached. The method has the advantages that faeces characteristics are accurately obtained through AI image recognition and near infrared spectrum, dynamic grading and sorting are achieved, the ratio, adding and reaction parameters of enzymes are intelligently regulated and controlled, the degradation end point can be accurately judged, the whole-process intelligent degree is high, the degradation efficiency and the product stability are greatly improved, and meanwhile the labor cost and the energy consumption cost are reduced.

The utility model discloses continuous biological reaction separation equipment which comprises a barrel body, a fixing plate is arranged on the inner side of the barrel body, three groups of separation barrels penetrate through the interior of the fixing plate, the three groups of separation barrels are all connected with a driving mechanism, and a lifting mechanism convenient for a conical bottom plate to move up and down is arranged at the bottom of a vertical frame. According to the utility model, the three groups of driving mechanisms and the three groups of separating barrels are arranged, so that the operation efficiency of biological reaction separation can be effectively improved, the three groups of lifting mechanisms and the conical bottom plate are arranged, filtered solid biological raw materials can be conveniently moved out upwards so as to be convenient to clean and maintain, and the three groups of independently arranged driving mechanisms are matched, so that the working efficiency is improved. By means of the structure, a certain separation barrel can be independently cleaned and maintained in the separation operation process, then through the structure, solid biological raw materials can be conveniently taken out, meanwhile, equipment does not need to be suspended, the continuity of biological reaction separation operation is guaranteed, and the production and processing efficiency is effectively improved.

This invention relates to the field of wastewater treatment technology, and more particularly to a wastewater treatment device based on an algae-bacteria symbiotic photobioreactor, comprising: a mounting frame and a treatment tank fixed inside the mounting frame. The treatment tank contains a reaction assembly, which includes a drive rod and a reaction spiral blade. The drive rod is vertically positioned inside the treatment tank, and the reaction spiral blade is fitted onto the drive rod. The reaction spiral blade has reaction holes and contains a biological reaction layer. A collection hood, shaped like an inverted frustum, is located at the bottom of the treatment tank. Two symmetrical outlets are located at the bottom of the collection hood. A collection assembly, comprising a sealing ring, a guide ring, a movable rod, and a collection box, is located below the collection hood. The sealing ring is fixedly connected to the bottom side of the collection hood. This invention causes the generated sediment to converge centripetally at the bottom of the treatment tank, avoiding the formation of eddy current dead zones.

The utility model relates to the technical field of denitrification devices, and provides an efficient sulfur autotrophic composite biological reaction denitrification device which comprises a device body, the device body comprises a heterotrophic denitrification area, an autotrophic denitrification area and a clear water area, and the heterotrophic denitrification area, the autotrophic denitrification area and the clear water area jointly form a concentric circle; the heterotrophic nitrogen removal area is a left semicircular ring of a concentric circle, the clear water area is a right semicircular ring of the concentric circle, and the autotrophic nitrogen removal area is an inner circle of the concentric circle; the heterotrophic nitrogen removal area, the autotrophic nitrogen removal area and the clear water area jointly form a concentric circle, the effective area is fully utilized, dices are saved, the structure is compact, and the operation efficiency is high.

The utility model discloses a biological reaction device, relates to bioreactor technical field, including container, executive device, sensor and control device, executive device includes base and be equipped with a plurality of stirring paddle on the base, the base detachable installation is in the container, the stirring paddle can be inserted in the container, the stirring paddle includes rotating shaft and a plurality of paddle blade, the blades are inclined to the horizontal plane, the rotation directions of every two adjacent stirring paddles are opposite, liquid in the containing cavity can flow in the direction of the rotation axis of the stirring paddles in the rotation process of the stirring paddles, and the mixing effect of cells and a 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.

Fluidic devices that can be operated without the use of electrical power for controlling timing, fluid flow and transfer, chemical and / or biological reactions, and producing readout have performance and cost benefits. A power-free fluidic device may include a device body configured for substantially gravity-driven flow, one or more reaction chambers containing reagents, fluidic timing elements, and fluidic valves. The reaction chambers may contain reagents for conducting nucleic acid amplification reactions and other chemical and / or biological reactions under ambient conditions.

The utility model provides a marine plastic catalytic weathering monitoring system, which is applied to the technical field of marine plastic garbage treatment, and comprises a physical oxidation device, a physical fragmentation device, a biochemical degradation device, a safety purification device and a monitoring module, the biochemical degradation device comprises a biological reaction tank, a bacterial culture tank, a chemical reaction tank and a medicament storage tank, conveying devices are arranged between a discharging port of the physical oxidation device and a feeding port of the biological reaction tank and between a discharging port of the biological reaction tank and a feeding port of the chemical reaction tank respectively, each conveying device comprises a conveying belt and a conveying channel, the conveying belts are arranged in the conveying channels and used for transferring materials, and the conveying channels are of a sealed structure. The physical oxidation device, the physical fragmentation device and the biochemical degradation device are used for simulating the marine environment to degrade the plastics, and the monitoring module is used for monitoring the change of the plastics in each reaction process.

The invention discloses an anaerobic-membrane biological reaction unit system and a cleaning method, and belongs to the technical field of industrial wastewater treatment equipment. The system comprises a scale inhibitor dosing unit, a cleaning unit, and an anaerobic pipeline, an anaerobic reaction unit, a membrane biological pipeline and a membrane biological reaction unit which are sequentially communicated and used for sewage to enter, the scale inhibitor dosing unit is communicated with the anaerobic pipeline; the cleaning unit comprises a cleaning water tank, a plurality of water outlet pipes, a plurality of water return pipes, a plurality of water pumps and a plurality of cleaning valves; the clean water tank is communicated with the anaerobic pipeline through a water outlet pipe and a water return pipe to form a first circulation loop; the clean water tank is communicated with the membrane biological pipeline through another water outlet pipe and another water return pipe to form a second circulation loop; the multiple water pumps communicate with the first circulation loop and the second circulation loop correspondingly, and the multiple cleaning valves communicate with all the water outlet pipes and all the water return pipes. The system can be used for carrying out independent circulating flow cleaning on different flushing parts, and scales are cleaned on the premise that the system is not disassembled.

The invention discloses microbial reaction equipment, and relates to the technical field of microbial reaction equipment. Comprising a shell, and further comprises a partition plate, an air inlet pipe and an air outlet pipe, the control mechanism is installed in the shell, the control mechanism comprises an aeration pipe and a second push rod, and a sliding block is installed at the telescopic end of the second push rod; the processing mechanism is connected with the control mechanism, the processing mechanism comprises a frame plate, a corner bracket is installed outside the frame plate, a filling groove is formed in the top of the corner bracket, and the second push rod is used for driving the corner bracket and the filling groove to ascend and descend through a sliding block. The cover plate is mounted at the top of the shell; the quick connection air pipe penetrates through the interior of the shell, and the quick connection air pipe is connected with the aeration pipe. According to the microbial reaction equipment, by arranging the control mechanism and the treatment mechanism, the purpose of improving the use efficiency of the equipment is achieved.

The application discloses a high-efficiency denitrification membrane biological reaction system, which comprises a circular reaction tank and a pretreatment tank; the reaction tank is sequentially divided into a central reaction zone, an inner ring reaction zone and an outer ring reaction zone by circumferential partition plates; the central reaction zone is an oxygen-consuming zone, the inner ring reaction zone is an anoxic zone, and the outer ring reaction zone is sequentially divided into an aerobic zone, a membrane zone and a reflux zone by radial partition plates; the aerobic zone is sequentially divided into a plurality of aerobic zones by flow guide partition plates, one of the aerobic zones is an aerobic enhancement zone, and the aerobic enhancement zone is opposite to the membrane zone; a plurality of fluidized filler modules are arranged in the aerobic enhancement zone, and an MBR membrane group device is arranged in the membrane zone; a rotating frame is arranged at the top of the reaction tank, the fluidized filler modules in the aerobic enhancement zone and the MBR membrane group device in the membrane zone are connected with the rotating frame, and are driven by the rotating frame to rotate in the aerobic enhancement zone and the membrane zone respectively. The application can enhance the total nitrogen removal rate and reduce the aeration and reflux energy consumption.

The invention relates to the technical field of sludge resource utilization, and discloses a sludge alginate recovery control system and method based on reinforcement of traditional Chinese medicine leach liquor, and the system comprises a biological reaction unit, a sensing monitoring and feedback network, a precise adding execution unit and a central control unit. The method comprises the following steps: calibrating a reference oxygen consumption rate by measuring a dissolved oxygen decline slope; executing tentative induction, judging the sludge sensitivity according to the descending and rising characteristic waveforms of the oxygen consumption rate, and implementing pulse addition; the change of the stirring torque is monitored in real time, a high-shear stripping action is triggered in an apparent viscosity increasing plateau stage, and the mass transfer resistance of a gel layer is eliminated; and the reaction endpoint is locked by combining the oxygen consumption rate ratio falling and the oxidation-reduction potential mutation. According to the method, accurate adding of the inducer is achieved through respiratory dynamics feedback, a solid-liquid interface is updated through rheological driving shearing, the problems that mass transfer is limited and end point judgment is delayed due to product wrapping are solved, and the recovery efficiency of the alginate-like salt is improved.

The utility model discloses a microorganism reaction tank which comprises a tank body, an aeration component is mounted on the inner bottom wall of the tank body, a gear motor for driving the aeration component to rotate is fixed at the bottom end of the outer side wall of the tank body, an air pump is fixedly connected to the side wall of one side, far away from the gear motor, of the tank body, and an exhaust port of the air pump is fixedly connected with an exhaust pipe. And the other end of the exhaust pipe is communicated with the aeration assembly. According to the sewage treatment device, the tank body, the aeration assembly, the speed reducing motor and the air pump are arranged, air can be injected into the aeration assembly through the air pump, and then oxygen can be increased in the tank body after the air is discharged through the aeration assembly, so that organic matters and pollutants in sewage can be degraded by microorganisms, and in the process, the organic matters and the pollutants can be effectively degraded. A plurality of aeration pipes of the aeration assembly can be driven to slowly rotate at the bottom of the tank body through the gear motor, the coverage range of bubbles discharged by the aeration assembly is increased, the contact area of microorganisms and air is increased, and the sewage treatment effect is further improved.

The invention relates to the technical field of breeding pollution treatment, and particularly discloses a biotransformation treatment device for resource utilization of livestock and poultry breeding manure, which comprises a pretreatment mechanism, a waste treatment mechanism, a waste treatment mechanism and a waste treatment mechanism, and is characterized in that the pretreatment mechanism comprises a spiral conveying assembly and a crushing assembly; the biological reaction mechanism comprises a tower body, a plurality of filler layers and an aeration assembly, the filler layers are arranged at intervals in the height direction of the tower body, and the aeration assembly comprises an air supply part, an air supply pipe network communicated with the output end of the air supply part and an aeration pipe connected to the air supply pipe network. The air outlet end of the aeration pipe faces the filler layer; the separation mechanism is used for carrying out solid-liquid separation on the feces; the recycling mechanism comprises a biogas recycling assembly and an organic fertilizer recycling assembly. According to the application, continuous operation from pretreatment to resource recovery of the feces is realized, and no intermediate link leakage exists; the solid-state isolate is converted into organic fertilizer, the liquid-state isolate is used for recycling biogas, resources are completely recycled, secondary pollution is avoided, and the requirement for green breeding is met.