189results about How to "Improve effluent quality" patented technology

The invention discloses an expressway service area sewage treatment system based on the Internet of Things, and relates to the technical field of sewage treatment.The expressway service area sewage treatment system is provided with a multi-modal sensor and an edge computing unit, real-time monitoring and data processing of sewage flow and water quality parameters are achieved, the water quality change trend and the parameter change rate are rapidly recognized, and the sewage treatment efficiency is improved. The sensing capacity of the system to load changes is remarkably improved, the system conducts real-time adjustment according to the water quality changes, fluctuation of the treatment effect and waste of energy consumption are avoided, an LSTM model is adopted for conducting dynamic prediction on water quality parameters, in combination with real-time monitoring data, the aeration strategy is optimized through intelligent self-adaptive adjustment and closed-loop fine control, and the aeration efficiency is improved. The LSTM model can predict the future sewage load and ammonia nitrogen concentration change, the aeration intensity and time are adjusted in advance, the fluctuation of the ammonia nitrogen concentration is quickly responded through PID control and closed-loop control of a feedback mechanism, and the ammonia nitrogen removal efficiency and the aeration accuracy are improved.

The invention discloses an SND-ED intelligent wastewater treatment deep denitrification system and a control method thereof, and particularly relates to the technical field of wastewater treatment. Nitrification and denitrification reaction environments are provided through the reactor, dissolved oxygen, oxidation-reduction potential and temperature data are collected in real time in cooperation with the data monitoring module, the data are transmitted to the control module, and the control module controls the control module based on an ORP deviation index and a temperature change rate abnormal index. Aeration intensity, aeration time and carbon source dosage are dynamically regulated and controlled through fuzzy logic, synchronous proceeding of nitrification and denitrification is ensured, aeration and carbon source dosage are adjusted according to the dynamic balance state of DO, operation frequency and intensity of an aeration device are optimized through a prediction model based on feedback control, and the carbon source dosage is adjusted. The energy consumption is reduced, and the denitrification efficiency is optimized, so that the intelligent and stable deep denitrification wastewater treatment effect is realized.

The invention discloses a waterworks double-coagulant accurate prediction method based on automatic machine learning, and the method comprises the steps: firstly obtaining the water quality data of a waterworks, the agent dosage data of two coagulants, and other basic data, and carrying out the preprocessing of the data; an automatic machine learning method is adopted, and a tap water double-coagulant dosage prediction model under the production condition is built; the model is optimized according to an actual effluent target value, and accurate prediction of the dosage of the two coagulants is realized by using the optimal model. According to the invention, accurate calculation and intelligent regulation and control of the dosage of the coagulant in the waterworks are realized, and the predictive capability of the double coagulant is particularly emphasized, so that the innovation point ensures that the effluent quality reaches the drinking water standard, meanwhile, the dependence on manpower is remarkably reduced, the operation cost and the medicament cost of the waterworks are saved, and the economic benefit is increased. And double improvement of economic benefits and environmental benefits is realized.

The invention belongs to the field of wastewater treatment, and provides a tunnel construction wastewater treatment method, which uses a system, the system comprises a secondary sedimentation tank, a tertiary sedimentation tank, an integrated device, three on-line sensors for wastewater pH value monitoring and two on-line sensors for wastewater SS value monitoring, the system further comprises a pH first-stage adding device, a pH second-stage adding device, a coagulant adding device and a flocculant adding device, and the online sensor and the adding devices are electrically connected with the controller. According to the treatment method provided by the invention, the dosage of chemicals can be accurately metered according to the change of the concentration and the water quantity of the tunnel construction wastewater, the concentration of the chemical liquid is automatically configured, the flow of the chemical liquid is accurately controlled, and real-time adjustment can be realized according to the change of the water quality and the water quantity of the wastewater. According to the treatment method, a dead-corner-preventing wastewater treatment device is used, so that the problems of sludge deposition and hardening at the bottoms of tank bodies of the coagulation tank and the flocculation tank, especially at the four corners of the tank bodies can be effectively solved.

The utility model discloses an MVR (mechanical vapor recompression) concentrated solution treatment device, which belongs to the field of wastewater treatment and comprises a first coagulating sedimentation device, a second persulfate advanced oxidation device, a second persulfate adding device for adding persulfate into the second persulfate adding device, a third biochemical treatment device, a fourth membrane treatment component and a fifth clear water tank. Wherein the MVR concentrated solution to be treated can be fed into the first coagulating sedimentation device. The first coagulating agent adding device is connected with the first coagulating sedimentation device, and the first coagulating agent adding device is used for adding a coagulating agent into the first coagulating sedimentation device, so that the MVR concentrated solution is flocculated and settled, and first coagulated sludge and first coagulated supernate are respectively obtained. The method can be suitable for MVR concentrated solution treatment scenes with different scales and treatment requirements, the wastewater treatment efficiency is improved, the treatment cost is reduced, efficient and stable treatment of wastewater can be achieved, and the method has high application value and wide popularization and application value.

The invention relates to the field of sewage treatment, in particular to a crystallization granulation fluidized bed for water treatment, which comprises a fluidized bed body, a sludge pump, a pipeline mixer, a gallipot I and a gallipot II, the bottom of the fluidized bed body is provided with a sludge discharge port, one side of the top end of the fluidized bed body is provided with a water outlet, and one side of the bottom end of the fluidized bed body is provided with a water inlet; the first medicine tank is connected with the pipeline mixer through a first medicine conveying pipe provided with a second flow adjusting valve, and the second medicine tank is connected with the pipeline mixer through a second medicine conveying pipe provided with a third flow adjusting valve. According to the invention, a plurality of water treatment functional units are integrated in compact equipment, so that the occupied area is obviously reduced, and the miniaturization of the equipment is realized.

The invention discloses a method for carrying out synchronous biological nitrogen and phosphorus removal by adopting an MABR, which comprises the following steps: respectively introducing two parts of wastewater and raw water into a nitrogen removal area and a phosphorus removal area in a sewage treatment system, and enabling the amount of wastewater entering the nitrogen removal area to be greater than the amount of wastewater entering the phosphorus removal area; the denitrification zone is provided with a plurality of MABR membrane assemblies, the dissolved oxygen concentration of the denitrification zone is monitored and kept at 0.1 mg / L-0. 3mg / L, and effluent of the denitrification zone enters the dephosphorization zone; monitoring the dissolved oxygen concentration of the dephosphorization area, and keeping the dissolved oxygen concentration of the dephosphorization area at 2mg / L to 4mg / L; effluent of the phosphorus removal area enters the solid-liquid separation area, supernate of the solid-liquid separation area flows back to the nitrogen removal area, one part of sludge at the bottom of the solid-liquid separation area is discharged out of the system as residual sludge, and the other part of sludge flows back to the phosphorus removal area. According to the method for performing synchronous biological nitrogen and phosphorus removal by adopting the MABR, the sewage treatment efficiency can be improved.

The invention discloses a process for treating rural domestic sewage by using an improved A2 / O + MBBR (Moving Bed Biofilm Reactor), and relates to the technical field of sewage treatment. The method comprises the steps of S1, initial-stage treatment, S2, reflux treatment and S3, tail-stage treatment. The rural domestic sewage is treated by an improved A2 / O + MBBR nitrogen and phosphorus removal process, and the rural domestic sewage is distributed into each tank by adopting a sectional water inlet technology, so that an alternate multi-stage facultative / aerobic environment is formed, and the biological nitrogen and phosphorus removal effect is enhanced; the improved A2 / O + MBBR process has the advantages of high nitrogen and phosphorus removal effect, low investment and operation cost, convenience in operation and management and the like; all returned sludge enters the pre-denitration tank and enters the front-section anaerobic tank and the front-section anoxic tank, a sludge concentration gradient from high to low is formed in each tank, and the average sludge concentration in each tank is increased and the hydraulic load of the sedimentation tank is not changed under the condition that the effluent sludge concentration is not increased, so that the proliferation speed of phosphorus-accumulating bacteria and nitrifying bacteria is accelerated; the proportion in the total amount of the activated sludge is increased, so that the nitrogen and phosphorus removal effect is improved.

The invention relates to the technical field of meat product processing, and discloses a sewage purification treatment method for meat product processing, which comprises the following steps: S1, pretreatment, S2, adjustment of water quality and water quantity, setting of an adjusting tank, adjustment of water quality and water quantity of sewage, realization of homogeneous and uniform treatment of sewage, and provision of buffer capability for organic load; s3, biological treatment, S4, advanced treatment, S5, sludge treatment and S6, monitoring and evaluation, the water quality and the water quantity of sewage in a regulating tank are balanced and regulated, stability is kept, growth and reproduction of microorganisms in the biological treatment stage are facilitated, and the sewage treatment efficiency is improved; after biological treatment, suspended solids, colloidal substances and microbial pollutants in the sewage are further removed through coagulating sedimentation, filtration and disinfection measures, and the effluent quality is improved; and the sludge generated in the sewage treatment process is subjected to resource utilization, so that the pollution to the environment is reduced to a great extent.

The invention discloses a method for reinforcing anaerobic ammonia oxidation denitrification and dephosphorization of an urban sewage treatment plant by using a falling biological membrane. The method is realized based on a system consisting of two main units, namely a functional area I and a functional area II. Inlet water of the first functional area and part of outlet water of the settling pond enter a second functional area anoxic zone (8), and sludge of the second functional area flows back to a first functional area nitrogen and phosphorus removal unit (1) of the urban sewage treatment plant from a second functional area settling pond (9) through a sludge backflow pipeline (10). Therefore, the overall anaerobic ammonium oxidation bacteria abundance of the suspended sludge in the system of the functional area I is enhanced, and the denitrification performance is further improved. The anoxic zone reduces the nitrogen load of the whole system, and meanwhile, part of carbon sources saved in the anaerobic ammonia oxidation process are beneficial to biological phosphorus removal. According to the method, the nitrogen and phosphorus removal performance can be effectively improved without interrupting operation of the sewage treatment plant, and the method is suitable for upgrading and reconstruction of a built urban sewage treatment plant or deep nitrogen and phosphorus removal of a newly built sewage treatment plant.

The invention relates to the technical field of micro-plastic treatment, in particular to an enhanced coagulation dosing method and system based on tap water plant micro-plastic treatment, and the method comprises the following steps: collecting a first water quality parameter of raw water at a water inlet of a tap water plant; inputting the first water quality parameter into a BP neural network feedforward controller, and predicting the adding amount of a flocculating agent; a micro-plastic abundance value of a water outlet and a corresponding abundance set value are used as input linguistic variables, and a fuzzy PID feedback controller is used for controlling the adding amount of a flocculating agent; and detecting the turbidity of the outlet of the sedimentation tank, inputting the second water quality parameter into the post-dosing BP neural network controller when the turbidity value of the water outlet does not meet the set condition, and outputting the adding amount of the flocculating agent in the water outlet pipe of the sedimentation tank. By adopting an intelligent feedforward-feedback composite dosing and secondary dosing control strategy, quick response and accurate dosing can be realized, the medicine consumption and the labor cost are reduced, and micro-plastics and turbidity in tap water are effectively controlled.

The utility model provides an ecological water purification system for resource utilization of village domestic sewage and belongs to the technical field of sewage treatment. Comprising a black water digestion tank, an adjusting slag separation tank and a biological-ecological combined water purification device which are connected in sequence. The ecological purification system disclosed by the utility model is low in operation technical requirement, simple and convenient to construct and suitable for village domestic sewage treatment.

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage treatment high-density pool which comprises a high-density pool body, a coagulation pool, a flocculation pool and a sedimentation pool are sequentially arranged in the high-density pool body in the process direction, and a water collection tank is fixedly installed on the upper portion of one side of the high-density pool body and communicated with the sedimentation pool. A plurality of uniformly distributed inclined plates are mounted at the upper part of the sedimentation tank, and a sludge scraper with concentration grid strips and a sludge circulating pump are mounted at the lower part of the sedimentation tank. The sewage treatment device has the beneficial effects that hydraulic coagulation and hydraulic flocculation are replaced by mechanical coagulation and mechanical flocculation, chemical agents and sewage are mixed more quickly and fully due to mechanical stirring, meanwhile, the concentration of suspended matters in a reaction area can be increased by refluxed concentrated mud, the flocculation effect is enhanced, part of chemical agents are recycled, the coagulation and flocculation effects are enhanced, and the chemical agents are also saved; therefore, the impact load resistance and the settling performance are greatly improved, and the ideal and stable effluent quality can be ensured even under the condition of larger hydraulic load.

The invention discloses a low-cost treatment method for industrial high-salinity wastewater, relates to the technical field of wastewater treatment.The low-cost treatment method aims at solving the problems that the treatment effect is poor, membrane pollution is serious, the system watering rate is low and the process operation cost is too high, and comprises the following steps that the industrial high-salinity wastewater is injected into a first-stage Fenton oxidation reaction tank; h2O2 is added for an oxidation reaction; the industrial high-salinity wastewater is injected into a secondary Fenton oxidation reaction tank, and H2O2 is continuously added for an oxidation reaction; injecting the industrial high-salinity wastewater into a defluorination reaction tank, adding excessive calcium chloride, then adding a flocculating agent PAM, stirring and precipitating; taking supernate, injecting the supernate into a dechlorination reaction tank, adding calcium-aluminum salt for reaction, and adding a flocculating agent PAM into a reaction device at the same time; taking supernate, injecting the supernate into a flocculation sedimentation tank, adding calcium oxide and a flocculating agent PAM, stirring and mixing, and standing for sedimentation; taking supernate and injecting the supernate into a coke powder adsorption tank, and finally discharging the supernate out of the coke powder adsorption tank to obtain treated effluent.

The invention relates to a mainstream anaerobic ammonia oxidation quick start and efficient stable operation method, which uses an immersed anaerobic ammonia oxidation granular sludge membrane biological composite reactor comprising an upflow anaerobic sludge blanket (UASB), and an MBR is immersed in the upper part of the upflow anaerobic sludge blanket (UASB); the height-diameter ratio of the UASB is 4-6, and the overall length of the MBR is 1 / 2-1 / 3 of the height of the UASB. The granulation of the sludge is realized through the UASB, and the enrichment capacity, the sedimentation performance and the stability of the sludge are improved; in the operation process of the mainstream Anammox, the complete retention of sludge functional bacteria is realized by adopting the operation of gradually shortening the hydraulic retention time and improving the nitrogen load and through the biological complete interception effect of the immersed MBR. In the granulation process of the sludge, the settling performance of the sludge is improved, a large amount of flocculent sludge is prevented from being in direct contact with membrane filaments, the membrane pollution problem in the membrane assembly is relieved, meanwhile, water flow shearing force generated around the membrane assembly can effectively wash pollutants on the surface of the membrane assembly, and the membrane pollution problem is further controlled.

The utility model discloses an aquaculture wastewater up-to-standard discharge treatment device which comprises a sludge storage tank, a solid-liquid separator, a stock solution tank, a regulating tank and an integrated aquaculture wastewater treatment device, the integrated culture wastewater treatment device comprises an up-flow anaerobic granular sludge treatment unit, an activated sludge treatment unit, a short-cut nitrification-anaerobic ammonia oxidation treatment unit and a contact oxidation treatment unit, wherein the short-cut nitrification-anaerobic ammonia oxidation treatment unit improves the sludge activity by forming hydroxyapatite carrier type anaerobic ammonia oxidation granular sludge, and realizes synchronous nitrogen removal and phosphorus recovery. The inclined tube assemblies and the hollow folded plate type precipitators are arranged in the units of the integrated treatment device, so that the precipitation water conservancy condition is improved, the precipitation effect is improved, and the effluent can meet the discharge standard of pollutants in the livestock and poultry industry. The integrated device has the advantages of compact structure, small occupied area, small aeration rate, low sludge yield and synchronous low-carbon nitrogen removal and phosphorus resource recovery.

The invention relates to the technical field of ship bilge water purification, in particular to a comprehensive integrated monitoring bilge water purification system for a ship. The bilge water adjusting device is matched with the bilge oil sewage treatment device, the advanced bilge oil sewage treatment technology is combined, the liquid level sensor is used for monitoring the liquid level in each sewage well in real time, and the opening and closing of the electro-hydraulic valve on the bilge water adjusting system pipeline are controlled, so that the comprehensive integrated monitoring of the bilge water purification system under each working condition is realized; the ship bilge water can be efficiently treated and monitored in real time, so that the ship navigation safety is ensured, and the environmental protection requirement is met.

The utility model relates to the field of rural domestic sewage, and discloses a buried integrated rural domestic sewage treatment device for improving the rural domestic sewage treatment effect. Comprising a first cell, a second cell, a third cell and a fourth cell which are communicated in sequence; a first water inlet is formed in the side wall of the first grid chamber, and the effective volume of the first grid chamber is below the first water inlet; a stirring device is arranged in the second grid chamber; a packed bed is arranged in the third cell; the packed bed is communicated with a water inlet of the third cell; a vertical filter screen is arranged in the middle of a bottom plate of the fourth grid chamber, and the height of the vertical filter screen is lower than the height of the effective volume of the fourth grid chamber; and a water outlet is formed in the fourth grid chamber. The device disclosed by the utility model can obviously improve the effluent quality and reduce the burden of subsequent treatment.

The high-concentration degradation-resistant wastewater treatment system comprises a hydrolysis acidification tank, an anaerobic reactor, an intermediate water tank, an aerobic granular sludge reaction tank and an MBR (membrane bioreactor) which are sequentially communicated in the wastewater flow direction, part of effluent of the anaerobic reactor flows back to the hydrolysis acidification tank for retreatment, and the rest of the effluent enters the intermediate water tank; the effluent of the middle water tank respectively enters an aerobic granular sludge reaction tank for decarbonization, denitrification and dephosphorization treatment and enters an MBR (Membrane Bioreactor) to make up the demand of denitrification on a carbon source; through coupling linkage and synergistic effect of the hydrolytic acidification reaction tank, the anaerobic reactor, the aerobic granular sludge reaction tank and the MBR bio-membrane reactor, the effluent concentration is controlled. A hydrolysis acidification pool and an anaerobic reactor are combined for internal circulation of a water outlet part, impact of high concentration on the anaerobic reactor is reduced, biogas produced by the anaerobic reactor is used for power generation, energy recovery and energy consumption saving, the purposes of energy conservation and emission reduction are achieved, and the problems that an existing treatment device and technology are tedious in process, long in hydraulic retention time and low in cost are solved. And meanwhile, the treatment effect is improved.

The invention belongs to the technical field of filtering separation, and particularly relates to a filtering adjusting valve and a filtering bottle, the filtering adjusting valve comprises a valve body, the two ends of the valve body are connected with a water inlet connector and a water outlet connector respectively, a control cavity communicated with the water inlet connector is formed in the valve body, and the lower end face of the control cavity is provided with a first water inlet and a second water inlet; a control cavity is formed in the valve body, a valve element assembly is arranged in the control cavity so as to control the opening size of the first water inlet and the opening size of the second water inlet, a valve bottom cover is installed on the lower end face of the valve body, and a purified water flow channel communicating with the first water inlet and a water inlet flow channel communicating with the second water inlet are formed in the valve bottom cover. In the actual using process, the opening sizes of the first water inlet and the second water inlet can be controlled through the valve element assembly, so that the proportion of all filtered water to part filtered water is adjusted, and stable outlet water quality can be achieved according to different local water quality or different requirements of water sources.

The invention discloses a pharmaceutical wastewater treatment method, and relates to the field of wastewater treatment. Comprising the following steps: carrying out evaporation salting-out treatment on high-salt pharmaceutical wastewater in advance, adjusting water quality and water quantity of evaporation condensate water and general pharmaceutical wastewater in an adjusting tank, and precipitating in a primary settling tank; the wastewater enters a primary catalytic ozonation tank for oxidation treatment, enters a biochemical treatment procedure, enters a secondary sedimentation tank for sedimentation, and effluent enters a secondary catalytic ozonation tank for oxidation treatment and enters an activated carbon filter tank for treatment. Aiming at the characteristics of high salinity, high ammonia nitrogen concentration and high toxicity of pharmaceutical wastewater, the salt concentration is reduced by adopting evaporation salting-out treatment, and the biodegradability is improved by utilizing oxidation treatment of the first-stage catalytic ozonation pond, so that the subsequent biochemical treatment efficiency is high, and a large amount of organic matters are decomposed; and a secondary ozone catalysis tank and an activated carbon filter tank are subsequently adopted to remove residual pollutants in the wastewater, so that the COD (Chemical Oxygen Demand), ammonia nitrogen, total phosphorus, total nitrogen and suspended matter concentration of effluent are low, and the effluent can stably reach emission indexes.

The invention discloses a microbial fuel cell with a conductive dynamic membrane separator and application of the microbial fuel cell. The microbial fuel cell comprises a reaction chamber, a conductive dynamic membrane separator is arranged in the reaction chamber, the conductive dynamic membrane separator divides the reaction chamber into a cathode chamber and an anode chamber, and the conductive dynamic membrane separator is electrically connected with the cathode chamber or the anode chamber; the conductive dynamic membrane separator sequentially comprises a dynamic membrane, a metal power collection net and an oxygen isolation layer from inside to outside, the dynamic membrane comprises a frame material and a basement membrane, the frame material is used for supporting the basement membrane, and the basement membrane is made of a conductive porous material. The metal power collection net serves as a framework, the supporting function is achieved, and the power collection function is achieved. The ingenious design of the fuel cell structure in the scheme of the invention not only significantly improves the effluent quality and the oxygen isolation effect, but also reduces the manufacturing cost of the exchange membrane, and shows wide application potential in the fields of sewage treatment and reclaimed water reuse.

The invention relates to the technical field of chain skimming machines, and discloses a chain skimming machine for a rectangular pool, the chain skimming machine comprises a conveying mechanism and a skimming mechanism, the conveying mechanism is arranged on a sedimentation tank, the skimming mechanism is arranged on the conveying mechanism, the skimming mechanism comprises a conveying frame and a skimming plate, the conveying frame comprises a cross beam and a guide rod, and the skimming plate comprises a main plate and an auxiliary plate. The cross beam is horizontally arranged on the conveying mechanism, the guide rods are arranged at the ends of the cross beam respectively and are in sliding fit with the cross beam, and driving units for driving the guide rods to move are further arranged between the guide rods and the cross beam; the main plate is horizontally arranged on the cross beam, the auxiliary plate is arranged on the guide rod, the moving area of the auxiliary plate and the moving area of the main plate partially coincide, and the auxiliary plate is rotationally hinged to the guide rod and rotates around the vertical plane along with fluctuation of the inner wall of the sedimentation tank through the swing unit. When the gap between the skimming plate and the tank wall is too large, the auxiliary plate is close to the tank wall in a self-adaptive manner to make up the gap, so that the effect of cleaning the scum is achieved.

The invention discloses an N-methyl pyrrolidone wastewater treatment method which comprises the following steps: S1, pretreatment: collecting and storing production wastewater, homogenizing and homogenizing water quality, pressurizing and lifting the wastewater, and waiting for subsequent treatment; s2, electrochemical treatment: pre-degrading the pretreated production wastewater, and improving the biodegradability of the wastewater; and S3, biochemical treatment: firstly carrying out anaerobic biochemical treatment on the production wastewater subjected to electrochemical treatment, then carrying out anoxic and aerobic process treatment, and finally filtering through an MBR (Membrane Bioreactor) membrane. Meanwhile, the invention further discloses an N-methyl pyrrolidone wastewater treatment system. According to the method, the electrochemical process, the UASB anaerobic process, the AO biochemical process and the MBR membrane filtration process are combined, the high-COD N-methyl pyrrolidone wastewater is treated, the treatment effect is remarkable, the requirement that the treated wastewater reaches the second-class standard of the electronic industrial pollutant discharge standard can be met, and the effluent quality is stable.

The invention discloses a sewage plant tail water treatment system and method, and relates to the technical field of sewage treatment.The sewage plant tail water treatment system is applied to tail water generated by a sewage plant adopting an ozone advanced oxidation technology, and the treatment system comprises an activated carbon reaction device, a denitrification reaction device, an ecological pond and a horizontal subsurface flow wetland; the activated carbon reaction device is communicated with the tail water pipe and comprises an activated carbon filtering layer, and the activated carbon filtering layer is used for adsorbing chemical oxygen demand and dissolved oxygen in tail water; the denitrification reaction device is communicated with the activated carbon reaction device and comprises a denitrification filter material layer, and the denitrification filter material layer is used for autotrophic denitrification nitrogen removal of tail water; the ecological pond is communicated with the denitrification reaction device and comprises aquatic plants and aquatic animals; the horizontal subsurface flow wetland is communicated with the ecological pond and is used for deeply filtering the tail water. The treatment system can improve the purification effect of the tail water of the sewage plant.

The present application belongs to the technical field of oily wastewater treatment equipment, and particularly relates to a combined filter and oil removal equipment for oily wastewater treatment. The equipment comprises coalescing filter cartridges and modified quartz sand fillings arranged in the coalescing filter cartridges, and combines a traditional filling filter with a filter cartridge type coalescing oil removal device to form a structure of 'fillings in filter cartridges'. The present application disperses the filter fillings in the coalescing filter cartridges, effectively avoids the problem of hardening of large filling slabs, improves the stability and service life of the system, and has the functions of efficient oil removal and filtration of suspended solids. The equipment has compact structure, small volume and stable operation, can significantly improve the filtration efficiency and reduce the maintenance frequency, and is suitable for oily wastewater treatment systems with large water quality fluctuations.

The backwashing type high-turbidity water sedimentation tank comprises a sedimentation tank body with an upward opening, a distributed water inlet mechanism is arranged on the outer side of the sedimentation tank body, and a sedimentation backwashing mechanism is arranged at the bottom in the sedimentation tank body; the dispersed water inlet mechanism comprises a dispersed water inlet buffer box body fixedly connected to the outer side of the sedimentation tank body, and a plurality of dispersed water inlet open grooves communicated with the interior of the dispersed water inlet buffer box body are formed in the side wall of the sedimentation tank body; a dispersed water inlet overflow groove body is fixed on one side, far away from the sedimentation tank body, of the dispersed water inlet buffer tank body, and is communicated with the interior of the dispersed water inlet buffer tank body through a dispersed water inlet overflow open groove; wherein the distributed water inlet mechanism can more uniformly and stably convey to-be-treated high-turbidity water into the sedimentation tank body, so that the sedimentation effect is prevented from being influenced by non-uniform water distribution; according to the linkage type inclined plate sedimentation mechanism, the sedimentation area is increased by utilizing a plurality of sedimentation blocking inclined plates, and the sedimentation distance of suspended particles is shortened, so that the sedimentation efficiency is improved.

The application provides a biochemical pool air inlet adjusting method, which comprises the following steps: S1, replacing the air inlet pipeline of the biochemical pool with a transparent pipeline, and additionally arranging a monitoring assembly on the outer wall of the transparent pipeline; S2, synchronously collecting multi-dimensional real-time data at a fixed period at the corresponding position of the biochemical pool; S3, combining the predicted air demand with the valve characteristic curve to inversely deduce the corresponding reference value of the opening degree of the adjusting valve; S4, making the opening degree of the adjusting valve reach the corresponding reference value according to the reference value to complete the pre-adjustment; S5, calculating the opening degree correction coefficient by partition weighting according to the sensor data, and synthesizing the final target opening degree; S6, the adjusting valve automatically adjusts the opening degree of the adjusting valve according to the flow-ammonia nitrogen coupling prediction model and the opening degree correction coefficient; S7, the monitoring assembly regularly scans the transparent pipeline, and initiates backwashing when dust accumulates; and S8, combining the data self-learning every day, optimizing the flow-ammonia nitrogen coupling prediction model, improving the model precision, effectively improving the aeration efficiency, reducing the energy consumption, and simultaneously guaranteeing that the water quality meets the standard.

The present invention relates to a coal mine underground coal slime water treatment reuse system and method, the system comprises a solid-liquid separation unit for removing large-size particles in coal slime water by vibration separation, cyclone separation and filtration, a pretreatment unit for removing suspended particles, flocs and colloids in coal slime water by precipitation, clarification and filtration, an ultrafiltration treatment unit for removing suspended particles, flocs and colloids in coal slime water by self-cleaning filtration and ultrafiltration membrane filtration, and a reverse osmosis treatment unit for reducing the content of soluble solids and ions in coal slime water by security filtration and reverse osmosis membrane filtration; the solid-liquid separation unit, pretreatment unit, ultrafiltration treatment unit and reverse osmosis treatment unit are connected in sequence by pipelines. The coal mine underground coal slime water treatment reuse system effectively reduces the difficulty of underground coal slime water treatment, avoids siltation in water tanks, reduces the energy consumption of lifting treatment, improves the efficiency of particle removal in coal slime water, and improves the underground reuse degree of mine water.

The utility model relates to an online cleaning device for an inclined plate of a clarification tank. The online cleaning device comprises the clarification tank, a clear water area arranged on the upper side in the clarification tank, the inclined plate and an air compressor, the inclined plate is arranged in the clear water area, and the air compressor is arranged above the clarification tank; a first air inlet pipe, a second air inlet pipe and a third air inlet pipe are arranged on the air compressor; the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are connected below the inclined plate; according to the device, the air outlet pipe of the air compressor is connected to the bottom of the inclined plate of the clarification tank, accumulated sludge on the inclined plate is washed and removed through air blowing disturbance, the inclined plate of the clarification tank is kept in a clean state, on-line cleaning of the inclined plate of the clarification tank can be achieved on the premise that the clarification tank is not stopped, and sludge on the inclined plate of the clarification tank is cleaned away; the problems that the inclined plate of the clarification tank is not cleaned in time and the equipment needs to be manually cleaned after being stopped can be solved, and stable operation of the clarification tank and qualified effluent quality are ensured.