1888 results about "Effluent" patented technology

The invention discloses a gradient optimization control method for an aeration system of a sewage plant. The gradient optimization control method comprises the following steps: S1, acquiring key monitoring multi-source data of the aeration system of the sewage plant in real time through an online sensor; s2, setting a security threshold value of each monitoring data to form a security constraint condition; s3, taking unit nitrogen removal energy consumption minimization as an optimization target, and constructing a comprehensive loss function fusing an energy consumption item and a water quality deviation item; s4, iteratively updating the air volume of the aeration system by adopting a self-adaptive gradient algorithm; s5, the optimized and updated air volume is issued to the aeration equipment to be executed, and water quality data and energy consumption data after execution are collected in real time, a control effect is calculated, an award signal is generated, and the award signal serves as feedback to be input into an optimization module; and S6, dynamically adjusting key parameters including the learning rate and the gradient threshold according to a feedback result. According to the invention, the energy consumption can be effectively reduced and the control precision can be improved while ensuring that the effluent stably reaches the standard, and the stable operation of the aeration system of the sewage plant under a complex working condition is ensured.

The invention discloses an oxidation-reduction free radical synergistic electrochemical wastewater treatment method and system. The method comprises the following steps: collecting pollutant concentration in wastewater and electrochemical reactor state parameters in real time through a sensor array; analyzing a pollutant change trend based on the data, and determining an optimization target value of an active substance generation proportion in combination with historical data; the trained classification model is used for classifying the water body state, and whether dynamic adjustment is needed or not is judged; if necessary, calculating the state parameter correction according to the deviation between the target value and the actual value, and adjusting the operation of the reactor; and monitoring the adjusted active substance proportion and degradation efficiency, and dynamically updating the optimization target according to the adjusted active substance proportion and degradation efficiency and the pollutant trend to realize continuous self-adaptive regulation and control. The intelligent closed-loop control of the reaction parameters is realized, the stability of the treatment efficiency is obviously improved, and the energy consumption and the risk of secondary pollution are effectively reduced.

The invention provides an autonomous adjustment method and system for a thermal power plant desulfurization wastewater dosing device, and the method comprises the steps: collecting multiple parameters such as flow, pH value, heavy metal ion and suspended matter concentration in real time through on-line monitoring instruments arranged at a water inlet end, a reaction unit and a water outlet end; constructing and continuously updating a dynamic mathematical model based on historical data and a reaction mechanism; a control system integrating intelligent algorithms such as a neural network and fuzzy control is utilized, and optimal dosing parameters are calculated in combination with the model and real-time data; a dosing pump or a valve is driven to execute precise dosing; and finally, closed-loop optimization is formed through effluent quality feedback. According to the invention, automatic, accurate and self-adaptive adjustment of the dosing device is realized, the defects that a traditional mode depends on manpower and response lags behind are overcome, stable and standard discharge of desulfurization wastewater is effectively guaranteed, meanwhile, medicament consumption and operation cost are remarkably reduced, and the automation level and the capability of coping with working condition fluctuation of the system are improved.

The invention discloses a system and a method for classified sewage treatment, and belongs to the technical field of environmental engineering and water treatment. The system comprises the following components: an intelligent water quality detection module, which is used for real-time and accurate monitoring of COD, BOD, ammonia nitrogen, total phosphorus, suspended matter concentration and heavy metal content; the sectional bioreactor realizes deep removal of nitrogen and phosphorus and efficient biological treatment by flexibly adjusting reaction conditions of each section; the intelligent flocculation control module is used for automatically and accurately adjusting the adding amount of a flocculating agent, and is combined with integrated operation of efficient inclined tube precipitation and sludge concentration, so that the water quality of discharged water is stable, and the medicament consumption is reduced; the ultrafiltration membrane bioreactor effectively removes residual suspended matters and colloids, and ensures that the effluent stably reaches the standard for a long time through the synergistic effect of catalytic ozonation; and the sludge treatment module is used for realizing collaborative optimization management of sludge reduction, recycling and energy recycling.

The utility model relates to the technical field of semiconductor tail gas treatment, in particular to a plasma tail gas treatment device which comprises a reaction assembly, a cooling pipe, a washing assembly, a water-gas separation assembly and a gas outlet pipe, the washing assembly comprises a water tank and a washing pipe, and the cooling pipe and the washing pipe are both fixedly installed above the water tank; the reaction assembly comprises a reaction cavity, an air inlet pipe and a plasma torch; an annular air plate for inputting combustion air is connected between the reaction cavity and the cooling pipe; spraying pipes for washing gas are arranged in the water tank and the washing pipe; the water-gas separation assembly comprises a water-gas separation pipe and a water-gas separation mechanism. According to the utility model, the plasma moment and the washing assembly are used for carrying out full treatment and spray hydrolysis on process gas, so that water-soluble substances are discharged as wastewater, and the treated gas reaching the standard is discharged to a common affair central system, so that full treatment of waste gas is completed; and the air supplementing mechanism is arranged for secondary air supplementing, and meanwhile, when the plasma moment loses efficacy, the air flow can be increased to dilute the waste gas.

The invention discloses an oil sludge slurry wastewater multi-stage treatment device and method, and relates to the related technical field of sludge and sewage treatment.The oil sludge slurry wastewater multi-stage treatment device comprises a solid-liquid separation box and a drying box, a solid-liquid separation mechanism is installed in the solid-liquid separation box, a drying mechanism is installed on the drying box, and the solid-liquid separation mechanism is connected with the drying box. A top plate is fixed to the drying box, a compaction box is fixed to the top plate, the compaction box is conical, the compaction box communicates with the drying box through an extrusion groove, an extrusion mechanism is installed in the compaction box, and the solid-liquid separation box is connected with the compaction box through a conveying assembly; the constant screw pitch part and the decreasing screw pitch part of the spiral conveying blade are alternately matched, and the sludge is gradually dewatered from bottom to top by combining the containing effect of the pressing groove on the thin sludge and the accurate control of the material fixing baffle on the sludge amount; and the conical structure of the subsequent compaction box and the pressing block perform reciprocating extrusion to further extrude residual water, so that the water content of the sludge is greatly reduced.

The invention discloses a real-time sewage treatment method based on sewage data monitoring, particularly relates to the technical field of sewage treatment, and is used for solving the problem of how to realize real-time sewage treatment under the condition that quality problems such as sewage blockage, drifting and missing exist in online monitoring data under complex and fluctuating working conditions. The problem that real-time, stable and energy-saving self-adaptive regulation and control can still be conducted on the sewage treatment process based on sewage monitoring data is solved, and the problems that due to dirty data and sudden change of working conditions, outlet water exceeds the standard, and energy consumption / chemical consumption is abnormal are avoided. Key water quality soft measurement and multi-source difference checking are implemented under the constraint of working condition numbers by constructing a sewage working condition map and a data quality evaluation rule base and introducing sliding time window feature extraction, monitoring credibility grading and sewage state fingerprints. The control strategy can still generate reliable aeration control instructions, backflow control instructions and dosing control instructions when monitoring data distortion and working condition fluctuation, so that the effluent is ensured to stably reach the standard, and the risk of control deviation is reduced.

The invention relates to the field of direct drinking water of a fusion calculation model, and discloses a double-membrane mixing direct drinking water system and an operation method.The method comprises the steps that online data of a water supply end and a water quality monitoring end are collected for cleaning and time alignment, and a basic working condition data set is formed; the method comprises the following steps: establishing an operation characteristic model comprising water demand prediction, raw water quality prediction and membrane flux characteristic sub-models, calculating double-membrane target water yield and water quality indexes based on the model to generate a control parameter set, evaluating membrane pollution to generate an online cleaning task queue, performing joint simulation to generate a pressure stability control instruction set, and dynamically correcting the model. The conversion from passive response to active pre-judgment of the double-membrane mixing direct drinking water system is realized, and the operation stability, the water quality guarantee capability and the water-saving and energy-saving effects are improved.

The invention relates to the technical field of wastewater treatment, in particular to a catalytic reduction-oxidation reaction system and a wastewater treatment method, and the catalytic reduction-oxidation reaction system is used for treating wastewater. Comprising a water inlet unit, a pH stabilizing unit, a catalytic reduction reaction unit, a Fenton oxidation reaction unit, an aeration stripping unit, a neutralization unit, a coagulating sedimentation unit and an intelligent control system which are connected in sequence, the catalytic reduction reaction unit comprises a catalytic reduction reactor, a filter plate and a reaction layer are arranged in the catalytic reduction reactor, a supporting layer is laid on the filter plate, and the reaction layer is arranged on the supporting layer. The reaction layer is arranged on the filter plate through the supporting layer; the Fenton oxidation reaction unit comprises a Fenton oxidation reactor, the Fenton oxidation reactor comprises a reactor body, and a first rotary mixing aeration disc is arranged at the bottom in the Fenton oxidation reactor. By implementing the application, high-efficiency, stable, low-consumption and intelligent operation of wastewater treatment can be realized.

The invention discloses a composite fiber woven net active microbial carrier for treating nitrogen-containing wastewater as well as a preparation method and application of the composite fiber woven net active microbial carrier. The active microbial carrier is formed by weaving titanium wires, rock wool wires, iron-carbon twisted wires and PLA wires, has high biocompatibility and high specific surface area, keeps high mechanical strength, can promote efficient biofilm formation of denitrification sludge, and can promote quick start of a reactor and improve the denitrification effect after successful biofilm formation. According to the application, the requirements of'plastic reduction and plastic forbidding 'are met, the traditional plastic biological filler is replaced, the technical problem that micro-plastic particles are released due to degradation in the use process of the filler is solved, the requirement of green development is met, and remarkable economic and ecological environment values are achieved. Iron wires and carbon fibers in the iron-carbon stranded wires form a primary battery in the reactor, controllable dissolution of iron ions is spontaneously accelerated, driving is not dependent on external potential, and the concept of low carbon and environmental protection is met; additional carbon source adding is reduced through the PLA filaments, and the PLA filaments are further matched with the low-carbon and environment-friendly concept.

The invention provides an efficient softening and hardness-removing process for a high-hardness water body, which is applied to the technical field of water body purification. The efficient softening and hardness-removing process comprises a pretreatment mechanism, a softening reaction mechanism, a flocculent precipitation mechanism and a sludge closed-loop treatment mechanism which are sequentially connected along a water body treatment flow direction, the efficient softening and hardness-removing process for the high-hardness water body comprises the following raw water treatment steps: S1, treating raw water by virtue of the pretreatment mechanism, so as to obtain ultrafiltration effluent; and S2, the ultrafiltration effluent enters the softening reaction mechanism, and under the control of the electric cabinet control mechanism, chemicals are added for softening and flocculation reaction. The total hardness removal rate can reach more than 90% through accurate addition of the medicament, two-stage pH control and optimization of reaction conditions, which is far superior to that of a traditional resin ion exchange method, the influence of high-hardness water discharge on receiving water is reduced, ecological and health problems caused by excessive hardness of the water are avoided, and the harsh requirements of industrial production and environmental protection on soft water are met.

The invention discloses a hydrogen fuel cell system which comprises a box body and further comprises a Venturi tube arranged at the uppermost part of the box body in a penetrating manner, a tail gas treatment assembly; the hydrogen recycling tank is arranged in the box body, an input pipe of the hydrogen recycling tank is communicated with the output end of the tail gas treatment assembly, an output pipe of the hydrogen recycling tank is communicated with the input end of the hydrogen circulating pump, and the output end of the hydrogen circulating pump is communicated with the hydrogen recycling pipe; a hydrogen dilution assembly; and a wastewater recovery assembly. According to the hydrogen fuel cell system, the problem that a reasonable, environment-friendly and recycling treatment method for tail gas is lacked at present is solved.

The invention discloses a water pollution treatment device and method for a water supply pump station, and the device comprises an oil scraping plate which is arranged below an oil skimming rod, keeps synchronous rotation with the oil skimming rod, and is used for pushing scum and sump oil on the surface of sewage in a sedimentation tank; the oil skimming part is arranged in the sedimentation tank, rubs the oil scraping plate in the rotating state and is used for collecting scum and dirty oil on the surface of the sewage and discharging the scum and the dirty oil out of the sedimentation tank; the vibration assembly is arranged in the oil scraping plate and is used for driving a plurality of vibration rods to vibrate so as to crush and gather emulsified oil particles in the sewage; the gathering assembly is arranged above the oil scraping plate and is used for generating air flow, blowing the surface of the sewage by utilizing wind power, and driving the scum and the sump oil to gather towards the center direction of the oil scraping plate. According to the invention, the technology spanning from only oil slick treatment to emulsified oil treatment is realized, the oil content in the effluent is obviously reduced, and the efficiency of the subsequent treatment unit and the final water supply quality are improved.

The invention relates to the technical field of wastewater treatment, and discloses a heavy metal wastewater treatment method and system.The method comprises the steps that the concentration, pH value, temperature and conductivity data of heavy metal ions are collected in real time through multiple types of sensors arranged in a wastewater pipe network and a treatment station, and standardized treatment is conducted; inputting the standardized data into a prediction algorithm unit, executing multi-parameter fusion analysis, and generating a concentration prediction result and a processing agent dosage; the coagulation reactor and the sedimentation tank are controlled to operate according to the prediction result, and chemical sedimentation and concentration of the heavy metal ions are achieved; the treated wastewater is deeply purified through adsorption, ion exchange and filtering processes, the final discharged water quality is obtained, the treatment efficiency is fed back, and closed-loop optimization control is formed. The system comprises a data acquisition and pretreatment module, a prediction and addition control module and a reaction and purification execution module, can realize automatic and intelligent optimization control of the wastewater treatment process, and remarkably improves the effluent standard-reaching rate and the system stability.

The utility model provides a coking wastewater outlet device, which relates to the technical field of coking wastewater treatment and comprises a treatment barrel, a fixing ring, supporting legs, a box cover, a partition plate, a filter plate and a flocculant adding component. Liquid flocculants are added into the feeding pipe and enter the storage box, liquid in the storage box is finally discharged into the treatment barrel through the multiple sets of water outlet pipes under the action of the pump body, the motor drives the rotating shaft and the driving wheel to rotate, the driven wheel and the feeding pipe are further driven to rotate, and the liquid flocculants are discharged into the treatment barrel through the multiple sets of water outlet pipes. A plurality of groups of water outlet pipes rotate along with the rotation of the fixed pipe, so that a liquid flocculant is uniformly sprayed out in the treatment barrel, and a scraper plate continuously cleans the outer surface of a filter plate along with the rotation of the fixed pipe, so as to keep the filter plate unobstructed. And the filter screen is not provided with an effective cleaning mechanism, so that the phenomenon of blockage is easily caused.

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

The invention discloses water treatment equipment and method based on MS glue production, and relates to the technical field of wastewater treatment.The water treatment equipment comprises a machine body, a plurality of flocculation tanks arranged in the machine body and a plurality of column feet installed at the bottom of the machine body, and further comprises a batch injection mechanism and a water treatment mechanism, a water inlet pipe and a dosing pipe are sequentially mounted in the fixed plate along an annular track; the multi-stage flocculation mechanism comprises a main shaft rotationally connected to the interior of the flocculation tank, a plurality of stirring assemblies mounted outside the main shaft and an adjusting assembly mounted in the main shaft; the blades are adjusted to be in an inclined state, so that wastewater and a flocculating agent can be rapidly mixed, in a flocculating constituent growth stage, the blades are adjusted to be in a vertical state, and the wastewater is stirred at a low speed through the combined blades, so that shearing of the flocculating constituent can be avoided, dispersion of the flocculating agent in the wastewater can be kept, and growth of the flocculating constituent in the wastewater can be promoted.

The utility model provides a system for directly recycling wastewater of a medium-high pressure boiler. The system comprises a collecting and regulating tank, a heat exchanger, a coagulation clarifier, a multi-medium filter, an ultrafiltration system, a secondary reverse osmosis system, an EDI (Electronic Data Interchange) device, a mixed bed and a user high-purity water tank which are connected in sequence, the second-stage reverse osmosis system comprises a first-stage reverse osmosis system and a second-stage reverse osmosis system, the first-stage reverse osmosis system comprises a first-stage RO raw water tank, a precision filter and a first-stage RO device, effluent of the ultrafiltration system enters the first-stage RO raw water tank and then enters the precision filter to be filtered, and water produced by the precision filter is fed into the first-stage RO device; the second-stage reverse osmosis system comprises a second-stage RO raw water tank and a second-stage RO device, fresh water produced by the first-stage RO device is fed into the second-stage RO raw water tank and then enters the second-stage RO device, and fresh water produced by the second-stage RO device is fed into the EDI device to be treated. According to the utility model, a full-flow treatment system is developed aiming at the water quality condition of the wastewater of the medium-high pressure boiler, and the finished water can stably meet the water supply requirements of the medium-high pressure boiler.

The utility model relates to the technical field of nitrogenous wastewater treatment, in particular to a nitrogenous wastewater treatment device. The device comprises a reactor, an aeration assembly, a water inlet assembly and a monitoring assembly, a guide cylinder is coaxially arranged in the reactor; the reactor is filled with microorganism balls; the monitoring assembly comprises a main controller and a plurality of detection probes; the main controller is arranged outside the reactor, and each detection probe is arranged inside the reactor; the main controller is respectively connected with each detection probe through a line; one end of the water inlet assembly is communicated with nitrogenous wastewater, and the other end is communicated with the bottom of the reactor; the water inlet assembly comprises a water inlet pump connected with the main controller; one end of the aeration assembly is communicated with air or oxygen, and the other end is communicated with the bottom of the reactor; and the aeration assembly comprises an air blower connected with the main controller. The device disclosed by the utility model has the effects of simple and compact structure, small occupied area, low operation cost and good nitrogen removal performance.

The invention relates to an advanced oxidation printing and dyeing wastewater treatment process, and belongs to the technical field of sewage treatment. The method comprises the following steps: adding an aluminum oxide catalyst into to-be-treated printing and dyeing wastewater in a reactor, and stirring; adding an auxiliary agent, and mixing and stirring; adding an oxidizing agent potassium monopersulfate into the obtained mixed solution and stirring; under the irradiation of an ultraviolet light source, continuously introducing ozone prepared by an ozone generator into the reactor for stirring reaction. Pollutants such as refractory dyes and organic auxiliaries in the printing and dyeing wastewater are efficiently removed under mild conditions, the COD removal rate of effluent reaches 90% or above, the chroma removal rate reaches 90% or above, and the quality of the effluent meets the requirements of subsequent treatment or up-to-standard discharge.

The embodiment of the utility model provides a wastewater treatment device, and relates to the technical field of wastewater treatment. The device comprises a reactor, a filter and a liquid outlet pipe, a reaction cavity is formed in the reactor, a water inlet and an exhaust port are formed in the reaction cavity, and the reaction cavity is used for containing activated sludge reacting with wastewater; a filter cavity is formed in the filter, and a membrane assembly is arranged in the filter cavity and used for filtering reaction liquid obtained after the wastewater reacts with the activated sludge; the reaction cavity is provided with a liquid outlet, the filtering cavity is provided with a liquid inlet, and the liquid outlet pipe is connected between the liquid outlet and the liquid inlet. According to the wastewater treatment device provided by the embodiment of the invention, the reactor and the filter are independently arranged and are isolated from the reaction cavity of the reactor, so that most sludge and microorganisms are left in the reactor, the contact between the sludge and the filter membrane and the contact between the microorganisms and the filter membrane are effectively reduced, and the treatment efficiency of the membrane bioreactor is further ensured.

The utility model relates to a deep water treatment device provided with suspended filler, which comprises a biochemical treatment system, a pretreatment tank positioned in the front of the biochemical treatment system, a secondary sedimentation tank positioned in the rear of the biochemical treatment system and a clean water tank positioned in the rear of the secondary sedimentation tank, and a biochemical treatment unit for forming the biochemical treatment system is provided with an aerobic tank and an anoxic tank. The anoxic tank is located in front of the aerobic tank in the same biochemical treatment unit, effluent of the anoxic tank is connected into the aerobic tank of the same biochemical treatment unit, suspended filler is arranged in the aerobic tank, and the anoxic tank is filled with or not filled with suspended filler; the suspended filler in the aerobic tank and the suspended filler in the anoxic tank are respectively and uniformly distributed in a part of or all water body space in the aerobic tank or the anoxic tank, the suspended filler is composed of a plurality of filler monomers, the filler monomers are connected to a three-dimensional filler frame, and motor assemblies with adjustable intervals are arranged in the pretreatment tank. The sewage deep treatment device is suitable for deep treatment of sewage, and has higher treatment efficiency and better treatment effect.

The invention provides a porous microbial carrier for strengthening microscopic mass transfer, a preparation method thereof and application of the porous microbial carrier in sewage treatment, and belongs to the technical field of biological treatment of wastewater. The carrier is constructed in a mode of combining a foaming method and a template method, and is internally provided with a composite structure consisting of micro cavities and communicated pore channels, so that the mass transfer efficiency in a reaction system can be enhanced, and the pollutant degradation rate is further improved. In the application process, the carrier and sewage are mixed in the tower reactor to form a mixed fluid, and two-stage separation devices arranged at the top and the bottom of the reactor are utilized to sequentially complete gas-phase separation and solid-liquid separation, so that efficient gas-liquid-solid three-phase separation of the tower reactor is realized. The two-step separation design not only can effectively prevent carrier loss, but also can maintain long-term stability of biomass in the system, so that the reliability of process operation and the overall treatment effect are improved.

A real-time wastewater treatment and water quality monitoring system includes a plurality of wastewater treatment facilities configured to purify wastewater generated from semiconductor manufacturing lines, a plurality of contaminant analysis apparatuses configured to obtain and analyze a sample from effluent water discharged through discharge pipes of the wastewater treatment facilities respectively, discharge rate sensors installed in the discharge pipes respectively, and an integrated monitoring apparatus configured to receive measurement result values from the contaminant analysis apparatuses and the discharge rate sensors and monitor in real time concentration of a contaminant in an entirety of the effluent water that is purified and discharged from the wastewater generated in the semiconductor manufacturing lines.

The invention relates to the technical field of wastewater treatment equipment, in particular to an automatic separation process and device for heavy metal sediment in wastewater treatment.The device comprises a sediment separation pond used for containing wastewater, and a sediment collection barrel used for containing sediment in the wastewater is arranged in the sediment separation pond; an opening is formed in the upper portion of the sediment collecting barrel, a push plate is arranged above the opening, the sediment collecting barrel is provided with a barrel side wall and a barrel bottom plate which can be separated, and the barrel side wall and the push plate are connected with a separation driving mechanism. The separation driving mechanism can drive the barrel side wall and the push plate to get close to each other so as to push wastewater and sediments to be discharged along a gap between the barrel side wall and the barrel bottom plate, so that the sediments fall into different areas to be collected. As the shapes of parabolas generated by the sediments with different densities are different, the horizontal distances between the sediments with different densities and the sediment collecting barrel are different after the sediments with different densities fall into the bottom, so that different heavy metal sediments can be separated.

The invention relates to the technical field of washing water treatment, and discloses a gradient type oil-solid and water pure physical separation system and method for MTO washing water.The separation system comprises a liquid inlet pipe, a liquid inlet valve and a liquid inlet pump are installed on the liquid inlet pipe, and a secondary deslagging system, a secondary oil-water separation system and a buffer water storage tank are sequentially connected to the liquid inlet pipe in the liquid inlet direction; a liquid level sensor and a backwashing system are mounted on the buffer water storage tank; the backwashing system is sequentially communicated with the secondary deslagging system and the secondary oil-water separation system; a buffer flow guide mechanism is installed at the liquid inlet end of the second-stage deslagging system, and a stepped filler assembly is installed in the second-stage deslagging system. A physical gradient separation process is adopted, step-by-step accurate removal from macroscopic particles to microscopic emulsified oil and efficient recovery of oil phase components in wastewater can be realized, the turbidity and solid content indexes of effluent are remarkably improved, and long-period continuous stable operation can be realized.

The invention provides an effluent ammonia nitrogen prediction method and system based on a time sequence and multiple attention, and relates to the technical field of sewage treatment.The method comprises the steps that historical operation data of sewage treatment is obtained, multiple key variables in the historical operation data are extracted, and a sample set containing multivariable time sequence data is constructed; constructing an effluent ammonia nitrogen prediction model comprising a time sequence model, a multi-head attention layer, a splicing layer and a full-connection output layer, and training, verifying and testing the constructed effluent ammonia nitrogen prediction model based on the sample set to obtain a final effluent ammonia nitrogen prediction model; and acquiring online operation data of sewage treatment, inputting the final effluent ammonia nitrogen prediction model, and outputting an ammonia nitrogen concentration prediction value at a future moment. According to the method, high-precision and real-time prediction of the ammonia nitrogen concentration in sewage treatment effluent can be realized, a mechanism-based model is effectively replaced, and high-frequency dynamic change working condition requirements of a municipal sewage treatment plant are met.

Provided herein are methods and systems for treating a sulfur dioxide-containing gaseous stream. The method includes combusting a tail gas in an excess of oxygen gas to yield a thermal oxidizer effluent containing sulfur dioxide and oxygen. The thermal oxidizer effluent is introduced to an oxidative catalytic converter to convert sulfur dioxide to sulfur trioxide, thereby forming an oxidized gas stream. The oxidized gas stream is routed to a quench tower and contacted with a dilute aqueous acid quench stream to yield sulfurous acid, hydrated sulfur dioxide, or both. The sulfurous acid or hydrated sulfur dioxide is oxidized with the excess of oxygen from the thermal oxidizer effluent to yield sulfuric acid.

The utility model discloses a device for continuously producing polyether. The device comprises a mixing kettle, a mixing kettle discharging pump, a receiving tank A, a receiving tank discharging pump A, a PO feeding pump, a static mixer, a pipeline reactor, a reactor discharging pump, an adsorption tower, an adsorption tower discharging pump, a receiving tank B, a receiving tank discharging pump B and a distillation tower, the method comprises the following steps: mixing an alcohol raw material and a catalyst in a mixing kettle, pumping into a receiving tank A for temporary storage, pumping the mixed material in the receiving tank A into a static mixer, mixing with epoxypropane, feeding into a pipeline reactor for reaction, pumping the reaction product in the pipeline reactor into an adsorption tower to remove metal elements introduced by the catalyst, a reaction product in the adsorption tower is pumped into a receiving tank B for temporary storage through an adsorption tower discharging pump, a reaction product in the receiving tank B is pumped into a distillation tower for distillation and purification, and purified polyether is obtained. By adopting the continuous production device, the energy consumption can be reduced, the generation of waste gas, waste residues and waste water is reduced, and the production cost is further reduced.

The invention relates to the technical field of pharmaceutical wastewater treatment, and particularly discloses pharmaceutical wastewater integrated treatment equipment which comprises a shell, a supporting mechanism is arranged in the shell, the supporting mechanism is provided with an upper supporting seat and a lower supporting seat, two positioning mechanisms are arranged on the supporting mechanism, and a plurality of filtering mechanisms are arranged in the positioning mechanisms; the filtering mechanism comprises a filtering assembly arranged in the positioning mechanism, a plurality of arc-shaped filtering plates installed on the filtering assembly and a pressing disc connected to the multiple filtering plates in a sliding mode. The filtering assembly comprises a mounting seat, a filtering pipe mounted on the mounting seat, a connecting seat mounted on the filtering pipe and a convex block mounted on the connecting seat, and the convex block is conical; according to the pharmaceutical wastewater integrated treatment equipment disclosed by the invention, the filtering mechanism can be independently disassembled, and sewage treatment does not need to be stopped during assembly or disassembly, so that interruption of sewage treatment is avoided, and the sewage treatment efficiency is improved.