1551 results about "Water production" patented technology

The invention discloses an urban ecological unit scale water conservation function evolution simulation system, relates to the technical field of ecological hydrological simulation, and is technically characterized in that the system combines an InVEST model, a water balance method, a geographic detector and a Moran index to construct a multi-source data fused water conservation evaluation method. According to the system, key factors are obtained through remote sensing data and geostatistical data, a mapping model between water yield and actually measured runoff depth is established based on a regression fitting relation, and a spatial heterogeneity analysis and factor interaction detection mechanism is introduced, so that time sequence dynamic simulation and spatial pattern recognition of a water conservation function are realized. The system can be widely applied to the fields of urban water resource regulation and control, ecological space planning, hydrological safety evaluation and the like.

The utility model provides hydrogen-rich water production equipment which comprises a purification module, a water storage module, a water supply module and a water supply module, wherein a water inlet of the purification module is used for communicating with a water supply device; a water inlet of the hydrogen-rich module is communicated with a water outlet of the purification module; a water inlet of the hydrogen mixing module is communicated with a water outlet of the purification module, and a gas inlet of the hydrogen mixing module is communicated with a hydrogen outlet of the hydrogen-rich module; the control device is communicated with the purification module, the hydrogen enrichment module and the hydrogen mixing module; the water boiling device is used for being communicated with the water outlet of the hydrogen mixing module under the control of the control device, and the water boiling device is used for heating the hydrogen-rich water output by the hydrogen mixing module; the hydrogen and oxygen absorption device is provided with a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port is used for being communicated with the hydrogen outlet of the hydrogen enrichment module under the control of the control device, and the oxygen absorption port is used for being communicated with the oxygen outlet of the hydrogen enrichment module under the control of the control device. The hydrogen-rich water supply function, the hot water supply function, the hydrogen absorption function and the oxygen absorption function are integrated.

The invention discloses a water supply system scheduling optimization method and device, electronic equipment and a storage medium, and relates to the field of intelligent scheduling of water supply systems. The method comprises the steps of collecting and preprocessing multi-dimensional data to obtain a data set; the pressure data is analyzed from the space-time dimension, and the unfavorable points and the pressure requirements thereof are accurately identified; the method comprises the following steps: constructing a water volume prediction model by adopting a time sequence model, and constructing a total water head difference prediction model by adopting a Light GBM gradient boosting tree in combination with a MultiOutputRegressor multi-output regression framework; constructing a minimum total water production cost objective function based on a prediction result, and outputting an optimal scheduling scheme by combining water volume and pressure constraint iterative optimization; and establishing a model updating mechanism to ensure dynamic adaptation of the strategy. According to the method, the problems of insufficient pressure guarantee, extensive cost control and weak model practicability and generalization ability are solved, the inherent contradiction that a traditional mechanism model is high in complexity and a pure data driving pressure prediction model is poor in generalization and lacks physical significance is overcome, and safe, stable and efficient intelligent technical support is provided for a water supply system.

The invention provides a hollow fiber membrane cleaning pressure self-adaptive adjustment control method and system, and relates to the technical field of control, and the method comprises the following steps: in a set temperature range, washing a water inlet side and a water production side through a constant flow, and determining a target transmembrane pressure difference interval; according to the transmembrane pressure difference deviation and the change rate, the rotating speed of a water inlet pump and the opening degree of a concentrated water discharge valve are cooperatively regulated and controlled according to a valve-first and pump-second sequence; when the transmembrane pressure difference reaches the upper limit and pollution is reversible, an impact cleaning sequence is generated, the opening of a concentrated water valve is increased, and the rotating speed of a water inlet pump is increased to form shear scouring. According to the invention, the self-adaptive adjustment of the cleaning pressure in the membrane pollution process is realized, and the membrane cleaning efficiency is improved.

The invention aims to provide a thermal power plant water production workshop production scheduling optimization method and device, and the device comprises a rolling time domain prediction module, a multi-source data fusion module, a multi-target optimization decision module, and a closed-loop feedback control module. The problems that in existing production scheduling, multiple factors are not fully and comprehensively considered, so that the water production cost is high, production arrangement is unreasonable, night shift production scheduling cannot be effectively reduced and the like are solved, maximization of water production economic benefits is achieved, and safe production is guaranteed. The invention provides an intelligent water production and production scheduling system and method for demineralized water of a thermal power plant. Water production cost minimization and production safety collaborative optimization are achieved through data fusion, prediction optimization and dynamic closed-loop control.

The invention relates to the technical field of production line control, and discloses a drinking water production line water quality real-time monitoring and intelligent adjusting system based on the Internet of Things. Registration equipment is unified with units, and NTP time synchronization is performed to eliminate deviation; the shift / CIP calibrates the zero range, and the EWMA monitors the drift weight drop; constructing state vectors containing IDs / batches, and performing auditing and warehousing; median / bilateral filtering denoising is carried out, and grid interpolation is unified; sliding window multi-scale aggregation is carried out, and self-adaptive sampling is carried out according to curvature and events; normalizing and interpolating a near-time training window; estimating indexes difficult to measure by a soft sensor, and depicting residual chlorine by a mechanism model; and carrying out uncertainty weighted fusion, and outputting estimation and intervals and auditing. According to the method, the whole process of real-time monitoring, quick response and traceable compliance is realized, the risk caused by chemical shortage or ratio error and environmental protection constraint is remarkably reduced, the capacity loss caused by cleaning and plan conflict is reduced, and the factory water quality stability and the treatment transparency are improved.

The invention discloses a water quality prediction method and system based on a Bayesian optimization coupling generative adversarial network, and belongs to the technical field of water quality prediction.The method comprises the steps that monitoring data in the water production process are collected, missing value elimination, data screening, abnormal value processing and standardization processing are conducted on the monitoring data in the water production process, and a water quality prediction result is obtained; obtaining a preprocessed water production process monitoring data set; the water quality prediction model is used for alternately training an effluent quality predictor and an added dosage estimator by adopting joint training; performing hyper-parameter optimization on the overall loss function by adopting a Bayesian optimization technology, and synchronously controlling a training process by adopting an early stop mechanism to obtain a water quality prediction model; and the water quality prediction model outputs water quality prediction result data after calculation and analysis based on the water production process monitoring data. According to the method, the water quality prediction model is formed through coupling of the Bayesian optimization technology and the generative adversarial network, and high-precision water quality prediction can be carried out in a production environment with complex water quality changes and uneven data distribution by adopting the model.

According to the efficient water treatment system based on the reverse osmosis membrane and the control method provided by the invention, gradient anti-pollution membrane arrangement and reconfigurable intelligent waterway design are creatively combined, so that a foundation is laid for high-flux and low-pollution operation from a physical structure; meanwhile, a full-closed-loop intelligent control system is constructed, and by fusing fuzzy logic, an optimization algorithm and a neural network prediction model, the system can integrate multi-dimensional information such as inlet water quality, membrane pressure difference and water yield, judge pollution risks in real time and adaptively and seamlessly switch among a high recovery mode, a segmented flushing mode and a prediction cleaning mode, so that the system is high in recovery efficiency and high in reliability. Meanwhile, parameters such as pump frequency and valves are dynamically optimized to find an optimal balance point of recovery rate and energy consumption; according to the invention, the recovery rate can be stably improved, the membrane pollution rate is greatly reduced, the chemical cleaning period and the service life of the membrane element are prolonged, and finally, the comprehensive operation and maintenance cost of the system is remarkably reduced while the water treatment efficiency and the water quality safety are improved.

The direct drinking water system comprises a pretreatment device, a membrane treatment device, a finished product water tank, a cleaning device, a water supply branch and a water return branch, the cleaning device comprises a concentrated water tank, a gas-liquid mixing branch, a bypass pipeline, a pulse water supply branch, a cleaning main pipe, a forward washing branch, a backwashing branch and a lower opening sewage branch. According to the utility model, quick switching in the cleaning process of the hollow fiber membrane is realized, the highest and lowest pressurization values in each period are accurately controlled, and meanwhile, adverse effects on membrane water production caused by water production of a water hammer and an air hammer are avoided; the pulse type positive and back washing is combined, so that the membrane pollutants are removed more thoroughly; according to the device, ozone microbubbles of a cleaning medium are exploded, so that the pollutant removal capacity is also improved; and when the filtered water in the finished water tank is stored for a long time, the ozone aeration device can also be used for sterilizing the filtered water, so that the application range of the device is expanded, and the safety of direct drinking water is guaranteed.

The utility model relates to the technical field of membrane treatment equipment, in particular to a pressure module of membrane treatment equipment, which is arranged on the membrane treatment equipment, the membrane treatment equipment comprises a water production module, the water production module comprises a circulating pump, a circulating pipe, a plurality of filter cartridges and a clear water branch pipe, a water inlet and a water outlet of the circulating pump are communicated with each filter cartridge through a circulating pipe, the clear water branch pipe is communicated with each filter cartridge from the side part of the filter cartridge, a pressure module of the membrane treatment equipment comprises a water production pressure assembly, and the water production pressure assembly comprises a first pressure transmitter and a second pressure transmitter; the first pressure transmitter is installed at the end, close to a water outlet of the circulating pump, of the circulating pipe, the second pressure transmitter is installed on the clear water branch pipe, and the first pressure transmitter is arranged on the circulating pipe, and the second pressure transmitter is arranged on the clear water branch pipe, so that when the filter membrane is blocked, the filter membrane can react in time; and retentate on the filter membrane can be cleaned in time.

The invention relates to the technical field of industrial process on-line monitoring, in particular to a multi-parameter on-line collaborative monitoring method in ammonia water production, which comprises the following steps: preprocessing a signal; obtaining an equivalent conductivity value after temperature compensation and a corrected pH value after comprehensive compensation; according to the equivalent conductivity value and the corrected pH value, carrying out parallel calculation to obtain a first concentration presumption value and a second concentration presumption value; comparing the deviation with a preset rationality threshold value to check the consistency of the monitoring system; carrying out weighted fusion on the two values by utilizing the dynamic weight, and outputting a final fusion concentration value; under the abnormal working condition, a potential fault source is identified, and a reliable standby data source is adaptively selected to output a temporary concentration value. By means of temperature compensation, concentration presumption, data fusion and fault-tolerant processing, the system can accurately monitor the concentration of ammonia water in real time and automatically conduct self-correction under the abnormal condition, and high-precision and high-reliability monitoring of the production process is guaranteed.

The invention relates to the technical field of industrial control, and discloses a soda water production line intelligent control method and system based on the Internet of Things, and the method comprises the steps: obtaining a backpressure valve reference pressure value according to the obtained real-time dynamic data through employing a pre-constructed carbonation digital twin model, and calculating the backpressure valve reference pressure value according to the backpressure valve reference pressure value; the carbonation digital twinning model is set to obtain a theoretical pressure value by adopting the Henry law according to the target gas content and the real-time data of the mixed liquid temperature, and obtain a predicted pressure value by adopting the pre-constructed pressure prediction model according to the target gas content, the real-time data of the raw material liquid injection flow and the real-time data of the carbon dioxide injection flow; further obtaining a reference pressure value of the back pressure valve; according to a first difference value between the target gas content and the real-time gas content of the mixed liquid, a first feedback correction algorithm is adopted to correct the reference pressure value of the back pressure valve, and a dynamic pressure control instruction of the back pressure valve is obtained; and controlling the back pressure valve to execute the back pressure valve dynamic pressure control instruction. According to the method, the taste stability of the soda water is effectively improved.

The invention discloses a coal mining water retention method, which comprises the following steps of: pre-calculating the height h0 of a water flowing fissure zone in a deep aquifer when the water yield Q2 of a coal mining mine is equal to the total water consumption Q1 of production and life of a mining area, and then calculating the corresponding mining height M0 when a coal seam below is mined according to the height h0 of the water flowing fissure zone; according to the mining height M0, the filling height M2 needing to be equivalently filled in the goaf is calculated, and materials are filled into the goaf behind along with advancing of the coal face during coal mining until the materials reach the height of M2, so that too high or too low development of the water flowing fissure zone can be inhibited, the filling height or thickness can be reduced, and the filling efficiency is improved. According to the method, the balance between the filling height of the goaf and the development height of the water flowing fractured zone is found in an equivalent filling mode, mine water generated during coal mining can meet the total water consumption of production and life of a mining area, the defects caused by complete filling can be avoided, the coal mining efficiency is improved, and the water retention effect is also improved.

The invention relates to the technical field of mine water treatment, in particular to a mine water filtering device.According to the mine water filtering device, an ultrafiltration membrane assembly is arranged in a membrane pool to filter mine water, a pressure detector is arranged at a liquid outlet to monitor the water pressure in real time, and the pressure detector transmits real-time data to a controller; the controller is used for judging whether the water pressure entering the clean water tank meets the water production requirement or not, and automatically controlling the starting and stopping of each electrical device according to the judgment result, so that the spraying pump and the moving assembly are started in time when the membrane pollution problem occurs, and the clean water in the clean water tank is pumped to the spray head through the water production pipeline to clean the ultrafiltration membrane assembly; and different positions of the ultrafiltration membrane assembly are cleaned by moving the spray head through the moving assembly, so that pollutants on the surface of the ultrafiltration membrane can be quickly and thoroughly removed, and the water production efficiency is ensured. And moreover, the device does not need to add a coagulant to carry out flocculation and sedimentation treatment on the mine water, so that potential risks of drug residues on subsequent recycled water quality are avoided.

The invention discloses an intelligent natural gas productivity prediction method and device for a logging small layer joint test, and the method comprises the steps: dividing a plurality of target small layers of a target gas well reservoir according to the obtained various logging curve data of a target gas well, constructing corresponding productivity prediction machine learning models, and carrying out the prediction of the productivity of the target gas well. Predicting single-layer daily gas yield and single-layer daily water yield; for the plurality of target small layers, determining an interference coefficient representing interlayer interference of the plurality of target small layers; according to the interference coefficient and the single-layer daily gas production rate and the single-layer daily water production rate of each target small layer, obtaining a combined test productivity prediction result of the logging small layer after the interference loss is deducted; and / or, a deep learning algorithm is adopted to establish a well logging small layer combined test productivity prediction model, and a combined test productivity prediction result corresponding to the target small layer combined test is output. The method is used for improving the productivity prediction efficiency and accuracy of the natural gas combined test well.

The embodiment of the invention provides an evaporation system control method and an evaporation system, and relates to the technical field of control, the method is applied to a control system in an MVR evaporation system.The method comprises the steps that in response to a starting instruction, a feeding system is controlled to pump to-be-treated liquid into an evaporation crystallization system, and the real-time boiling point rise of the evaporation crystallization system is monitored; and determining to adopt an optimal recovery rate control mode or a boiling point rise control mode as a target control mode based on the real-time boiling point rise, and controlling the feeding system, the evaporative crystallization system and the water production system to treat the to-be-treated liquid according to a preset strategy corresponding to the target control mode, the frequency of the distilled water and the flow of the to-be-treated liquid pumped by the feeding system meet the corresponding recovery rate, so that the control intelligence and reliability of the MVR evaporation system are improved.

The invention belongs to the field of membrane separation, and provides a conductive nanofiltration membrane, a roll type conductive membrane filter element and a nanofiltration separation method.The conductive nanofiltration membrane comprises a substrate layer, a conductive layer and a separation layer and is prepared through a two-step vacuum filtration process and a vacuum filtration assisted in-situ interfacial polymerization method; meanwhile, good conductivity and selective separation capability are realized. In addition, the invention also provides a roll-type conductive membrane filter element based on the conductive nanofiltration membrane, and the roll-type conductive membrane filter element comprises the conductive nanofiltration membrane, a central conduit with a plurality of side holes, a water production diversion separation net, a water inlet diversion separation net, a counter electrode conductive layer, a conductive connector lug and a metal sheet (used for power connection), the roll type conductive membrane filter element can dynamically regulate and enhance the separation performance of charged molecules, ions and the like under the action of an electric field, and has the characteristics of simple structure, easiness in operation and amplification and adjustable and controllable membrane performance.

The invention discloses an all-working-condition air water production unit, which belongs to the technical field of air water production, and comprises a high-humidity air inlet channel, a low-humidity air inlet channel, a channel switching device and a water production channel, and the high-humidity air inlet channel and the low-humidity air inlet channel are both communicated with the water production channel; air flowing out of the high-humidity air inlet channel or the low-humidity air inlet channel enters the water production channel so that the water production channel can produce water. According to the invention, the high-humidity operation mode or the low-humidity operation mode is automatically switched according to the air inlet humidity. A traditional unit can only operate under a single working condition. According to the invention, the optimal energy efficiency and water production rate can be kept in different environments.

The invention belongs to the technical field of deuterium water treatment, and particularly relates to a preparation method and system of deuterium-depleted water, which is based on combination of an MVR-EDI-air pump and realizes functions through a three-level architecture of pretreatment, gradient separation and deuterium recovery. Comprising a raw water input module, an EDI pure water pretreatment module, a multi-stage MVR evaporation module, a medical water integration module and a deuterium water concentration treatment module, and the raw water input module, the EDI pure water pretreatment module, a primary treatment module, secondary to N-stage treatment modules and the deuterium water concentration treatment module are connected into a whole. By combining filtering purification, low-temperature distillation and a power air energy pump, the production cost is greatly reduced, the deuterium content can be lower than 50 or 30 PPM and further can be lower than 5 PPM, and the water is suitable for medical treatment, aerospace and high-end laboratories; the multi-gradient low-deuterium water production enables deuterium resources to be recycled, and is high in production efficiency, free of wastewater discharge, low in energy consumption and energy-saving.

The application discloses a kind of gas-liquid two-phase flow numerical simulation method considering coalbed gas desorption lag, comprising the following steps: using well logging, indoor experiment means to obtain productivity calculation parameter;Desorption equation of matrix system is defined in combination with desorption lag effect, diffusion equation;Gas-water two-phase percolation equation of fracture system is defined, and desorption equation of matrix system, diffusion equation is combined, and double medium gas-water two-phase coupling flow equation set is formed;The porosity and permeability change of matrix system and fracture system in production process is calculated respectively, and the physical property change equation set of double medium is deduced;Using the numerical solver of COMSOL, the coupling equation set is solved using iterative method, and the gas production and water production are calculated.The application is simple to operate, can more scientific and reasonable assess the influence of coalbed gas desorption lag effect on gas well productivity, while greatly reducing the cost and time of gas well numerical simulation calculation, and also has important inspiration for other unconventional gas reservoir development affected by desorption lag.

The invention belongs to the technical field of oil and gas field yield prediction, and relates to a multi-granularity shale gas well production dynamic prediction method and system based on a large model, and the method comprises the steps: S1, collecting historical production data and environmental data of a shale gas well, carrying out the data preprocessing, and dividing a training set, a verification set and a test set, the production data comprises daily gas yield, oil pressure, casing pressure, oil casing pressure difference and water yield, and the environment data comprises temperature; s2, constructing a production dynamic prediction model based on a Transform model architecture; s3, performing model training and evaluation, and continuously optimizing the prediction model until the prediction model meets requirements; s4, evaluating the production dynamic prediction model meeting the requirements by using the test set; and S5, predicting the production dynamic state of the shale gas well. The problems of high cost and low accuracy of shale gas well yield prediction are solved.

The utility model relates to the technical field of mobile wastewater treatment, in particular to a vehicle-mounted small-sized aquaculture wastewater treatment system, which comprises a loading type mobile truck, a solar polar plate component arranged on the loading type mobile truck and an integrated wastewater treatment device, the integrated wastewater treatment device comprises a solid-liquid separation area, a filtrate storage area, a produced water storage area, a membrane biochemical area and a membrane system filtering area. The utility model aims to provide the vehicle-mounted small-sized aquaculture wastewater treatment system, an efficient, safe and cheap sewage treatment scheme is provided for a part of peasant households incapable of realizing effective wastewater treatment through a movable whole, and the application range is expanded.

The invention relates to the technical field of compressor temperature control, and discloses a compressor temperature control system capable of preventing generation of condensate water, which comprises a sensing module, an execution module and a controller. The sensing module is used for collecting air temperature, relative humidity, system working pressure and circulating oil temperature parameters of the compressor in real time. The controller is configured to calculate the current pressure dew point of the system based on the air temperature, the relative humidity and the working pressure of the system; the pressure dew point serves as a floating lower limit, a preset system optimal working temperature upper limit serves as a fixed upper limit, and a dynamic safe working interval is determined; finally, a cooling unit and a heating unit in the execution module are cooperatively controlled to work according to the relation between the circulating oil temperature and the dynamic safety working interval. By establishing the dynamic safety lower limit changing along with the working condition, the problem that the compressor is prone to generating condensate water under the high-humidity or low-load working condition to cause oil emulsification is effectively solved, and accurate and energy-saving temperature control is achieved.

The utility model provides a lithium recovery system for lithium iron phosphate production wastewater, which is characterized by comprising an aeration carbon removal tank, a reaction tank, a sedimentation tank, an ultrafiltration device, an ultrafiltration water production tank, a nanofiltration device, a nanofiltration water production tank, a reverse osmosis system and a lithium salt recovery tank which are sequentially connected. According to the utility model, the waste liquid can be converted into the solid material, and the reduction and recycling process of the lithium iron phosphate production wastewater is greatly promoted. The lithium iron phosphate production wastewater treatment device not only can treat lithium iron phosphate production wastewater, but also can effectively recover the lithium element in the wastewater, thereby providing powerful technical support for sustainable development of the new energy industry.

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 a negative-pressure crude benzene distillation system adopting a tubular furnace for heating. The negative-pressure crude benzene distillation system comprises a debenzolization tower, the tubular furnace and a crude benzene condensing, cooling and separating integrated device, the debenzolization tower is sequentially provided with a rectifying section, a stripping section, a storage tank section and a regeneration section from top to bottom; the crude benzene condensing, cooling and separating integrated device comprises a heat exchange tower and a separating tank; a low-temperature water heat exchanger is arranged at the lower part of the heat exchange tower; a crude benzene collecting section, an oil-gas-water separating section and a water collecting section are arranged in the separating tank; a first heating section and a second heating section are arranged in the tubular furnace. Compared with an existing negative-pressure crude benzene distillation process system, the negative-pressure crude benzene distillation process system has the remarkable advantages that the tail gas output is low, the tail gas is not discharged, the tube furnace operation temperature is low, the washing oil consumption is small, no additional separated water is generated, the one-time investment is low, and the like.

The utility model discloses a central water treatment filtering device for desalted water production. A raw water inlet pipe of a reservoir is communicated with a water inlet pipeline of each filter; the ultrafiltration processors are connected in series; a water outlet of each filter is communicated with a water inlet pipeline of the first-stage ultrafiltration treater; a water outlet of the N-stage ultrafiltration treater is communicated with a water inlet pipeline of the filtered water storage tank; a water outlet of the filtered water storage tank is communicated with a water inlet pipeline of the primary reverse osmosis processor; all stages of reverse osmosis processors are connected in series, and water outlets of the N stages of reverse osmosis processors are communicated with a demineralized water storage tank pipeline. According to the device, the content of various pollutants in water entering the ultrafilter can be reduced, a filter element for ultrafiltration and reverse osmosis can be protected, the content of various impurity ions in the water after ultrafiltration is reduced, the conductivity of produced water is about 10 us / cm, the hardness is 0.01 mol / L or below, the produced water is used for supplementing water for a steelmaking and steel rolling heating furnace, and generated steam can be used for power generation of a steam turbine. Water consumption is reduced, resources are saved, and the accumulation speed of scale in the boiler is effectively reduced.

The utility model relates to the technical field of ultraviolet sterilization, in particular to an ultraviolet sterilization device for pure water production, which improves the sterilization effect of ultraviolet rays on water, improves the convenience of water filtration and improves the cleaning convenience of a light-transmitting tube by circularly conveying water. Comprising a first box body and a water inlet valve, and the water inlet valve communicates with the outer side wall of the first box body; the device further comprises a cleaning device, multiple sets of light-transmitting pipes, multiple sets of ultraviolet lamps and a first pump body, the upper ends and the lower ends of the multiple sets of light-transmitting pipes are installed on the inner side wall of the first box body correspondingly, the multiple sets of ultraviolet lamps are arranged in the multiple sets of light-transmitting pipes correspondingly, the input end of the first pump body communicates with the interior of the first box body, and the output end of the first pump body communicates with the filtering device. The filtering device is used for filtering water, and the cleaning device is arranged in the first box body and used for cleaning the surfaces of the multiple sets of light-transmitting pipes.

The utility model relates to the technical field of wastewater retreatment, and provides an ion exchange water production regeneration wastewater pretreatment device. The ion exchange water-making regenerated wastewater pretreatment device comprises a normal-temperature crystallization reactor, a sedimentation tank, a filtering assembly, an ion exchange assembly and a strong oxidizer. The normal-temperature crystallization reactor is used for crystallizing and separating part of impurities in the regenerated wastewater; the settling pond is communicated with the normal-temperature crystallization reactor and is used for settling and purifying the crystallized regenerated wastewater; the filtering assembly is communicated with the settling pond and is used for filtering the settled and purified regenerated wastewater; the ion exchange assembly is communicated with the filtering assembly and is used for removing calcium and magnesium ions in the regenerated wastewater; the strong oxidizer is communicated with the ion exchange assembly and is used for killing microorganisms in the regenerated wastewater. The device disclosed by the utility model can be used for treating and separating most impurity ions except sodium chloride and sodium sulfate in the ion exchange water-making regeneration wastewater.

The invention discloses a photovoltaic ecological corridor and treatment system based on a traffic line, and the photovoltaic ecological corridor comprises a first ecological corridor and a second ecological corridor which are disposed at two sides of the traffic line. The first ecological corridor comprises a first photovoltaic array group, a sand stabilization grid group and a first sand blocking fence group which are sequentially arranged outwards from the side close to the traffic line, and the second ecological corridor comprises a second photovoltaic array group and a second sand blocking fence group which are sequentially arranged outwards from the side close to the traffic line; the system further comprises a drip irrigation system, a water supply system, a water storage tank, an air condensation water production unit and an external water supply system. The treatment system comprises a method for controlling the air condensation water production device to supply water to the drip irrigation system, and the method comprises the steps from S1 to S11. The photovoltaic array is organically combined with sand wind prevention and ecological restoration, renewable energy sources can be provided, external energy dependence in the whole ecological corridor operation and maintenance process can be reduced, and economic benefits along the traffic line can be effectively improved.