1670 results about "Sewage discharge" patented technology

The invention discloses a sewage discharge control method based on artificial intelligence, and belongs to the technical field of sewage treatment, and the method specifically comprises the steps: collecting the sewage flow of each subarea and the operation data of a corresponding treatment plant, constructing a time series prediction model, and outputting the sewage load deduction value of each subarea in the future; historical data of a treatment plant are called, a cost-load curve is constructed, and a cost gradient abrupt change inflection point is identified as a load critical value; the treatment plant with the load deduction value exceeding the critical value is determined as a positive treatment plant, and the treatment plant with the load deduction value lower than the critical value and the unit cost lower than the regional reference value is determined as a negative treatment plant; constructing an optimization model aiming at minimizing the scheduling loss, and generating a cross-region conveying path and a scheduling instruction set; scheduling the treatment plants corresponding to all the urban partitions according to the scheduling control instruction set; according to the method, the scheduling instruction is generated by constructing the scheduling loss minimization optimization model, dynamic cross-regional optimization scheduling of the urban sewage is realized, and the economical efficiency and the operation efficiency of a sewage treatment system are improved.

The invention discloses a filtering anti-blocking structure of a drainage pipe for road maintenance, and relates to the technical field of sewage discharge. The filtering anti-blocking structure of the drainage pipe for road maintenance comprises a first pipeline, and the top of the first pipeline is fixedly connected with a first filtering mechanism. According to the filtering anti-blocking structure of the drainage pipe for road maintenance, sewage is preliminarily filtered by arranging the conical filtering cylinder, and the sewage is secondarily filtered by arranging the first filtering disc and the second filtering disc in a matched manner, so that the situation that a single filtering net is easily and instantly blocked by large-particle impurities is avoided, the pressure of post-stage filtering is reduced, and the filtering efficiency is improved. A limiting rotating ring block is arranged, a first driving motor is started, the limiting rotating ring block is finally driven to rotate through gear meshing, at the moment, a rotating ball continuously slides on the surface of the limiting rotating ring block, and a first spring is matched, so that a second fixing block periodically reciprocates; finally, the banister brush is promoted to clean the through holes of the conical filter cartridge, and the through holes are prevented from being blocked.

The invention discloses a method for guiding accurate maintenance, operation and maintenance of an urban pipe network by using an SWMM model. The method comprises the following steps: carding and generating a pipe network image map, confirming key nodes, confirming boundary adjustment, building a pipe network model, operating the SWMM model, checking sedimentation risk prediction and evaluation of a pipe section in a simulation area in an SWMM output report, and giving a sedimentation risk map. On the basis of the SWMM model, in combination with the pipe network topological relation, the actual sewage flow direction, the sewage discharge amount and the sewage discharge process, an intra-region drainage pipe network model is built, full-process and full-region simulation of a drainage system is achieved, the process of pipe networks of all key nodes and key regions can be quantified, the trend can be displayed, and the state can be evaluated; the defect that branch pipe sections and nodes in the middle cannot be detected in the traditional operation and maintenance process of a pipe network is overcome.

The invention discloses sewage treatment filtering equipment, relates to the technical field of sewage treatment, and solves the technical problems that a filter screen is easy to block and a sewage collection box is insufficient in sewage discharge capacity. The sewage treatment filtering equipment comprises a case, a roller is arranged in the case, the filter screen is arranged outside the roller, a rotating rod is rotationally mounted on the case, and a half gear fixedly sleeves the tail end of the rotating rod; a mounting frame corresponding to the half gear is fixedly mounted on the inner wall of the case, a rack capable of being meshed with the half gear is slidably mounted on the mounting frame, a sliding rod slidably mounted on the mounting frame is fixedly mounted at one end of the rack, an impact ring is integrally fixed to the tail end of the sliding rod, and a spring movably arranged on the sliding rod in a sleeving mode is arranged between the impact ring and the mounting frame. By adding the driving synchronizing wheel, the half gear, the impact ring and other structures, the transmission assembly is synchronously driven to operate when the roller rotates, the half gear is meshed with the rack to drive the spring to accumulate force, the spring pushes the impact ring to impact the filter screen when the half gear is not meshed with the rack, and the vibration cleaning efficiency of the filter screen is remarkably improved.

The invention discloses an intelligent integrated automatic pollution discharge, spray and dust suppression system for a coal mine tunnel, and relates to the technical field of automation. The system comprises a double-channel sensing assembly, a central controller, a mine communication link and an integrated pollution discharge spraying terminal group, the central controller obtains a dust image and a ground height image at the same time in combination with the double-channel sensing assembly, generates a roadway working condition grid map, completes dust level marking and ground height marking, extracts a dust cluster and a transition zone on the basis, and loads a pollution discharge component list. Constructing a descending chain from the outer edge of the dust cluster, selecting a ridge chain backbone, finally generating a cooperative control instruction set, issuing the cooperative control instruction set to the integrated pollution discharge spraying terminal group, and carrying out snapshot acceptance check by using a dual-channel sensing assembly after execution. According to the invention, accurate dust control, smooth sewage discharge and high resource utilization rate can be ensured, and the stability and long-term effectiveness of system operation can be maintained in a complex environment.

The utility model discloses a fuel gas filter of a fuel gas pressure regulating pry capable of quickly discharging sewage. The fuel gas filter comprises a protective shell for mounting and a mounting cover fixedly mounted at the upper end of the protective shell, bolts are installed at the left, right, front and rear ends of the mounting cover, a reciprocating screw rod is installed in the middle of the mounting cover, a motor is installed at the upper end of the reciprocating screw rod, a connecting rod is installed on the outer side of the reciprocating screw rod, brushes are arranged at the left and right ends of the connecting rod, and a connecting block is connected to the lower end of the reciprocating screw rod; a supporting frame is arranged on the outer side of the connecting block, a fixing rod is fixed to the lower end of the connecting block, a scraping plate is installed at the lower end of the fixing rod, and filter screen barrels are connected to the left, right, front and rear ends of the supporting frame. According to the fuel gas pressure regulating pry fuel gas filter capable of rapidly discharging the sewage, the filtering device can be conveniently and rapidly cleaned, the filtering device can be conveniently detached and replaced, and cleaned stains can be conveniently and rapidly discharged.

The invention relates to the technical field of water pollution diffusion prediction, and particularly provides a sewage pollution diffusion prediction method and system, and the method comprises the steps: obtaining river bed topographic feature information, real-time hydrological data and sewage discharge information of a river basin; the river basin is divided into a plurality of river reaches according to the river bed topographic feature information, and then local hydrodynamic parameters corresponding to the river reaches are obtained according to the river bed topographic feature information and the real-time hydrological data; for each river reach, acquiring sediment dynamic characteristics according to the river bed topographic feature information and the local hydrodynamic parameters, and then determining sediment adsorption parameters and sediment release parameters according to the sediment dynamic characteristics; according to the sediment adsorption parameters, the sediment release parameters, the real-time hydrological data and the sewage discharge information, pollution diffusion prediction is carried out to obtain a diffusion prediction result; the method can effectively solve the problem of inaccurate prediction caused by the fact that sediment adsorption parameters and sediment release parameters cannot dynamically reflect hydrological condition changes.

The invention discloses a sewage discharge outlet flow real-time monitoring system based on water quality parameter linkage, and relates to the technical field of environmental monitoring. Through adaptive sampling period switching driven by abnormal fractions, the system is enabled to maintain low frequency in a normal state, and enters encrypted sampling when the risk rises; therefore, the capability of capturing short-time events is improved on the premise that the full-time data volume is not remarkably increased, key process fragments before triggering are reserved through the annular cache, and the integrity of event restoration and tracing is enhanced; an abnormal source is split into two types of information, namely deviation of flow relative to a self reference state and residual deviation of a flow-water quality coupling relationship, and the two types of information are normalized to a unified scoring scale and then are fused and output, so that abnormal judgment is expanded from single-point amplitude judgment to comprehensive identification of trend, fluctuation scale change and cross-parameter consistency damage. Therefore, the sensitivity to hidden modes such as non-significant change of flow and continuous deterioration of water quality is improved.

According to the sewage discharge data management method based on the intelligent water affair, the sewage discharge data, the equipment state data and the environment data of an enterprise are subjected to edge calculation, the initial discharge data and the equipment evaluation data are generated, localized real-time processing of the data is achieved, and the transmission amount of invalid data is reduced. And performing data implicit anomaly identification and multi-modal data cleaning on the initial emission data and the equipment evaluation data based on the sewage component chemical association rule base, accurately capturing abnormal points which do not conform to chemical association rules in the data, and generating an abnormal mark list and intermediate emission data. Data association analysis is carried out based on the abnormal mark list, the intermediate emission data and enterprise operation data corresponding to the enterprise, a data logic verification map is constructed, errors in the intermediate emission data are automatically corrected according to a logic relation in the verification map, the processing efficiency is improved, and through cross verification of multiple data sources, the data processing efficiency is improved. And target emission data and a compliance report with high accuracy are generated.

The invention relates to the technical field of sewage treatment, in particular to an air floatation filter tank for sewage treatment, which comprises a treatment tank, a flocculation mechanism and a slag scraping mechanism are respectively arranged in the treatment tank, a first baffle is fixed at the bottom end in the treatment tank, and a second baffle is transversely and slidably connected to the bottom end in the treatment tank. Through the arrangement of the upper T-shaped groove, the lower T-shaped groove, the upper partition plate, the lower partition plate, the adjusting mechanism and other structures, when the concentration of sewage is moderate, the adjusting mechanism is controlled to open the upper partition plate and the lower partition plate in an air flotation contact area, the air flotation contact area is opened, the air flotation contact area is opened, and the air flotation contact area is opened; the opened upper partition plate and the opened lower partition plate can isolate the air flotation contact area into a continuous curve, and then passing sewage and bubbles generated by the air-dissolved water releaser can be discharged out of the air flotation contact area after passing through a plurality of curves, so that the mixing time of the sewage and the bubbles is prolonged, and the mixing time is adjusted under the condition that the sewage discharge speed is not reduced.

The invention discloses an intelligent recognition system for environmental protection violation behaviors based on multi-modal AI, belongs to the technical field of environmental protection monitoring and video recognition, and aims to solve the problems of data fragmentation, incomplete violation recognition, low precision and insufficient supervision efficiency in traditional environmental protection monitoring. The system comprises a data analysis module, a dynamic sampling module, a data preprocessing module and an intelligent identification module. Analyzing the production log data, and generating a sewage discharge sequence of a sewage discharge port; generating sampling parameters in combination with the emission sequence and historical violation characteristics, and extracting video frames to form a monitoring frame sequence; positioning a sewage draining exit to obtain a dynamic monitoring area, and identifying emission frames to construct an emission frame data set; processing key evaluation indexes of emission frames, identifying excessive emission and abnormal frames, marking violation behavior types, and generating a violation identification report; according to the invention, full-dimension and high-precision recognition of environmental protection violation behaviors is realized, a traceable and efficient decision support is provided for environmental protection supervision, and the supervision efficiency is remarkably improved.

The invention belongs to the technical field of cleaning machines, and discloses a self-cleaning blowdown device and cleaning equipment, and the self-cleaning blowdown device comprises a machine shell, a fluid containing assembly, a cleaning stirring mechanism and a sealing blowdown mechanism; the fluid containing assembly comprises a first containing box arranged on the machine shell, and a sewage draining hole communicated with the machine shell is formed in the first containing box. The sealing pollution discharge mechanism is arranged in the first containing box and is opposite to the pollution discharge hole, a stirring assembly of the cleaning stirring mechanism is arranged in the first containing box and is movably connected with the sealing pollution discharge mechanism, the first fluid in the box can be stirred, and the opening and closing states of the sealing pollution discharge mechanism and the pollution discharge hole are controlled through linkage movement of the stirring assembly and the sealing pollution discharge mechanism. The device achieves automatic opening and closing of the sewage discharge hole by means of a forward and reverse rotation mechanism of the stirring assembly, namely mechanical linkage, manual operation is not needed, manpower consumption is reduced, meanwhile, the stirring assembly continuously stirs to reduce dirt deposition, the cleaning frequency is reduced, self-cleaning of the sewage tank is achieved, the sewage leakage risk is reduced, and environmental pollution is reduced. And the service life of equipment is prolonged.

The invention relates to the technical field of aquaculture, in particular to a sewage discharging device for aquaculture and a water treatment system.The sewage discharging device for aquaculture comprises a culture pond body, a sludge discharging hopper, a sludge pump and a sewage storage pond, and a slope surface structure is arranged at the pond bottom of the culture pond body; the sludge discharging hopper is arranged at the bottom of the culture pond body, communicates with the output end of the bottom of the slope surface structure and is used for collecting solid pollutants sliding along the slope surface structure; the input end of the sludge pump is communicated with the sludge discharge hopper; the sewage storage tank is communicated with the output end of the sludge pump. The pollution discharge device for aquaculture provided by the invention can realize automatic convergence and centralized collection of solid pollutants, so that the collection efficiency is improved, and the cost is reduced.

The invention discloses a preparation method of a nylon 66 salt crystal, which is characterized in that in the method, a nylon 66 salt aqueous solution is subjected to secondary crystallization and a rotary pressure filter process to prepare the nylon 66 salt crystal. According to the technology, the problems of low single-stage yield and large sewage discharge amount are solved by adopting secondary crystallization and evaporation condensate recycling, and the processes of centrifugation, drying, cyclone separation and the like are reduced by replacing a centrifugal machine with a rotary pressure filter, so that the energy consumption per ton of products is reduced.

The present invention relates to a sewage valve for a circulating aquaculture system, comprising a valve body, a valve plate, a connecting rope, a riser, an adjusting member and a controller. The valve body is connected to the sewage pipe of the circulating aquaculture system. The valve plate is located at the outlet of the valve body and one end of the valve plate is rotatably mounted on the valve body. The valve plate is used to control the connection or cutoff of the sewage pipe. The bottom end of the riser is connected to the sewage pipe and is located upstream of the valve body. The top end of the riser extends upward and an overflow port is provided on the side wall. One end of the connecting rope is fixed to the other end of the valve plate, and the other end of the connecting rope passes through the valve body and the sewage pipe to the top end of the riser and is located above the overflow port. The adjusting member is installed at the top end of the riser and is located above the overflow port. The adjusting member is used to pull or loosen the connecting rope. The controller is used to drive the adjusting member to operate. The sewage valve of the present invention can be installed on the sewage pipe for a long time to discharge sewage stably without being affected by the hot and humid environment and the unstable voltage of the rural power grid.

The invention relates to the technical field of valves, in particular to a water inlet and outlet valve for a sewage plant and a using method.The water inlet and outlet valve comprises a valve body, a water inlet cavity and a water outlet cavity, a filter cartridge is installed in an inner cavity of the water outlet cavity, a valve element is installed in the filter cartridge, a blow-off pipe is installed at the bottom of the valve body, a check block is installed in the blow-off pipe, and a first driving part and a second driving part are installed at the top of the valve body; according to the valve, the filter cartridge is mounted in the water outlet cavity, so that when sewage enters the filter cartridge from the water inlet cavity through the communicating port, impurities are intercepted by the filter holes, the impurities can be effectively prevented from entering subsequent pipelines and equipment, blockage and abrasion are avoided, the maintenance frequency is reduced, and the valve element is independently controlled to ascend and descend through the first driving part; the overflow area can be changed by adjusting the alignment degree of the communicating opening and the water inlet cavity, the flow is flexibly controlled, during sewage discharging, the second driving piece drives the check block to descend so that the sewage discharging pipe can be opened, the valve does not need to be disassembled, the maintenance time is greatly shortened, the use efficiency is improved, and the overall practicability is high.

The invention relates to the technical field of industrial park sewage quality prediction, in particular to an industrial park sewage quality parameter prediction method based on a deep neural network, and the method comprises the steps: obtaining multi-modal time series data of an industrial park sewage discharge port; constructing an industrial park sewage quality parameter prediction model; an adaptive multi-objective optimization algorithm based on a genetic algorithm is defined and executed to solve the optimal parameter configuration of the industrial park sewage quality parameter prediction model, and the adaptive multi-objective optimization algorithm maximizes the value of a preset fitness function used for evaluating the comprehensive performance of the model through iterative evolution; selecting the model parameter configuration with the highest fitness function value as a final prediction model; and deploying the industrial park sewage quality parameter prediction model to an industrial park sewage monitoring terminal, receiving real-time to-be-monitored sewage data, and outputting a prediction result of the industrial park water quality parameters. According to the method, the reliability and decision transparency of industrial park sewage quality parameter prediction are remarkably improved.

The invention belongs to the technical field of water treatment systems, and particularly relates to an integrated pump station anti-blocking device and an anti-blocking method thereof. The invention provides an integrated pump station anti-blocking device and an anti-blocking method thereof.The integrated pump station anti-blocking device comprises a pump body internally provided with a water inlet pipe, and the integrated pump station anti-blocking device further comprises a smashing device used for smashing waste of sewage; the cleaning device is connected with the crushing device, and the cleaning device is used for cleaning sludge in the crushing device and the pump station; and the sewage discharging device is used for discharging sludge in the pump station. The crushing device can crush large-size garbage mixed in sewage, so that the sewage can smoothly flow in the pump, residual scraps in the crushing device and sludge deposited at the bottom of the pump station are effectively scraped and stirred, and the sewage discharging device is matched with the cleaning device to discharge sewage in the pump station. And the cleaned sludge is discharged out of the pump station body in time, so that the overall operation stability and the service life of the pump station are effectively improved.

The embodiment of the invention provides a drainage recovery control method and system for a multi-source heat supply network. The method comprises the steps that data acquisition equipment is installed on all drainage pipelines before entering a drainage tank of the heat supply network; acquiring temperature parameters, flow parameters and conductivity parameters of each path of hydrophobic water in real time through the data acquisition equipment; and based on the temperature parameter, the flow parameter and the conductivity parameter, comprehensive state judgment of hydrophobic recovery treatment is carried out, and based on a judgment result, dynamic pollution discharge control is carried out. According to the embodiment of the invention, the blow-down valve is opened in a targeted manner through real-time acquisition and layered judgment, so that the mixed hydrophobic parameters are stabilized in a threshold range, and the problem that traditional static control cannot adapt to multi-source parameter differences is solved; and on the basis that pollution discharge is triggered only when parameters exceed the standard, qualified drained water is prevented from being discharged by mistake, and recoverable water resources and waste heat resources are reserved to the maximum extent.

The invention relates to the technical field of sewage discharge, cleaning and purification, and discloses a purification device for chemical sewage discharge and cleaning, which comprises a support frame, a sedimentation tank is arranged on the support frame, a water inlet is formed in one side of the sedimentation tank in a penetrating manner, a purification tank is arranged on one side of the top of the sedimentation tank, and a plurality of groups of connecting columns are arranged on the inner wall of the top of the sedimentation tank. A flow dividing groove is formed in one end of the connecting column, and a discharging opening is formed in one end of the bottom of the sedimentation tank and used for discharging sediments; multiple groups of filter plates are arranged in the purification tank; a lifting pipe is arranged at the bottom of the purification tank; a switching assembly is arranged at one end of the water inlet; the switching assembly is used for switching different treatment paths according to the settling volume of sludge or solids in the sewage. Compared with the prior art, the self-adaptive sewage treatment system has the advantages that the treatment paths can be automatically switched according to the settling volume of sludge or solids in sewage, so that self-adaptive treatment of different types of sewage is realized, and the sewage treatment efficiency and stability are effectively improved.

The utility model provides cleaning equipment, a base station and a cleaning system. The cleaning equipment comprises a sewage box, a recovery part, a blow-off pipe and a force application unit. The sewage box is used for storing sewage; the recovery part is used for temporarily storing sewage and is provided with a sewage containing cavity and a sewage opening, and the sewage opening is communicated with the sewage containing cavity and the sewage box; the sewage discharge pipe is communicated with the sewage containing cavity and the outside; the blow-off pipe is a hose; a sewage outlet of the sewage discharge pipe is positioned at one end of the sewage discharge pipe far away from the sewage containing cavity; the force application unit is used for applying an acting force for changing the bending state of the blow-off pipe to the blow-off pipe, so that the blow-off pipe is switched between a non-blow-off state and a blow-off state; in a non-pollution-discharge state, the position height of the pollution discharge port is higher than the position height of the pollution containing cavity, so that the pollution in the pollution containing cavity is prevented from being discharged to the outside; in the sewage discharging state, the position height of the sewage discharging opening is not larger than that of the sewage containing cavity so that sewage in the sewage box can be discharged to the outside, the sewage discharging effect can be optimized through the change of the height of the sewage discharging opening, and the blocking risk is reduced.

The invention provides sewage disposal equipment of a sewage treatment system, and relates to the technical field of spiral conveying, the sewage disposal equipment comprises two supports, a sealed conveying cylinder, a driving device and a discharging hopper, the two supports are symmetrically installed at the two ends of the exterior of the sealed conveying cylinder respectively, and the discharging hopper is installed in one end of the sealed conveying cylinder in a communicating mode; a sewage inlet pipe is installed on the upper portion of the interior of the sealed conveying barrel in a communicating mode, a shaft rod is arranged in the sealed conveying barrel, a spiral blade is arranged outside the shaft rod, the driving device is arranged above one set of supports, and the spiral blade can be driven to rotate in the sealed conveying barrel through connection of the driving device. A discharging pipe is installed below the end, away from the discharging hopper, in the sealed conveying barrel in a communicating mode. According to the invention, the combination of source pretreatment and efficient conveying of fibers is realized, and the operation continuity, reliability and maintenance convenience of equipment during treatment of complex fiber sludge are remarkably improved.

The invention provides a multifunctional floor washing robot workstation. The multifunctional floor washing robot workstation comprises a shell, a water adding assembly and a sewage recycling assembly. The clean water output piece and the cleaning liquid output piece are communicated with the water adding butt joint part, and the sewage tank is installed on the shell, communicated with the sewage butt joint part and used for receiving sewage discharged by the sewage butt joint part; the sewage tank is located on one side of the clear water output part and communicated with the branch output channel of the clear water output part, so that clear water output through the branch output channel of the clear water output part is input into the sewage tank and cleans the inner side wall of the sewage tank, self-cleaning of the sewage tank is achieved, the branch output channel of the clear water output part is fully utilized, and the service life of the sewage tank is prolonged. The situation that the sewage tank needs to be manually taken out for cleaning is avoided, and the cleaning convenience of the floor washing robot workstation on the sewage tank is improved. And meanwhile, the clean water output part and the cleaning liquid output part are compatible, so that clean water and cleaning mixed liquid are output, and the functionality of the multifunctional floor washing robot workstation is improved.

The invention relates to the technical field of rainstorm water drainage devices, in particular to a rainstorm water drainage device for a UHPC prefabricated thin-wall well, which comprises a well lid, an upper prefabricated well pipe is fixed at the bottom of the well lid, and a lower prefabricated well pipe fixed with a foundation pit is fixed at the bottom of the upper prefabricated well pipe. A drainage pipe connected with an underground water network pipe is further arranged below the lower prefabricated well pipe, and a sewage draining mechanism for shunting or filtering water is arranged in the lower prefabricated well pipe; through cooperation of the sewage discharge mechanism, the separation mechanism, the power mechanism, the crushing fan, the waste push plate, the separation box and other structures, the power mechanism accurately drives the separation mechanism to start by utilizing natural power of rainwater flowing, the crushing fan thoroughly crushes sundries by virtue of strong power of the crushing fan, and then the sundries are pushed by the waste push plate in order, so that the separation efficiency is improved. The thin-wall well is prevented from being blocked by sundries, the drainage efficiency of the thin-wall well is remarkably improved, bacterium breeding is reduced, and peculiar smells are reduced.

The invention relates to the technical field of backwash filtering tanks, and discloses a backwash filtering device and method for recharging geothermal tail water, and the backwash filtering device for recharging geothermal tail water comprises a shell, the sewage discharge pipe is arranged at the bottom of the shell, the inner cylinder is arranged in the center of the shell, the upper baffle ring and the lower baffle ring are respectively arranged on the upper end face and the lower end face of the inner cylinder and are connected with the shell, the filter cartridges are arranged on the outer side of the inner cylinder and are communicated with the upper baffle ring and the lower baffle ring, and the rotating shaft is rotationally arranged in the center of the shell and is rotationally connected with a sewage discharge arm; the pollution discharge arm is matched with any filter cartridge when rotating, and the pollution discharge arm is rotationally connected with a pollution discharge pipe; the turbine is arranged in the blowdown arm and is driven by the backflushing fluid; the centrifugal speed regulator is driven by the turbine, and the locking and releasing mechanism is triggered by the centrifugal speed regulator at a set rotating speed; and when the back-flushing flow is as low as a set value, the centrifugal speed regulator triggers the locking and releasing mechanism, so that the blow-off pipe rotates to the lower end of the next filter cartridge.

The utility model provides an ultrahigh pressure water jet derusting sewage recovery processor, which relates to the field of ultrahigh pressure water jet derusting sewage treatment equipment, and comprises a recovery box, the recovery box comprises a box body, an inner cavity of the box body is sequentially provided with a reservoir, a primary treatment pool, a secondary treatment pool and a storage pool from left to right, a water inlet assembly is mounted at the upper end of an inner cavity of the reservoir; a drainage assembly is arranged at the lower end of the right side of the box body; according to the sewage discharging device, the sewage discharging assembly is arranged, so that the effect of discharging sludge generated in the filtering process is achieved, the sludge enters the inner cavity of the conveying pipe through the through hole, the output shaft of the sewage discharging pipe rotates to drive the main shaft to rotate, the main shaft drives the spiral blade to rotate, and the sludge can be conveyed outwards when the spiral blade rotates; and the sewage is discharged through the blow-off pipe, so that the condition of blockage caused by accumulated sludge can be prevented, and the recovery efficiency of the ultrahigh-pressure water jet rust removal sewage is effectively improved.

A micro-vacuum frost valve for a water supply and drainage system of a high-speed motor train unit relates to the technical field of drainage valves and comprises a valve body, an inner cavity of the valve body is divided into a left cavity and a right cavity through a partition plate, the left cavity and the right cavity are each provided with two openings communicated with the outside, and the lower opening of the left cavity is sealed through a lower valve cover. Two openings of the right cavity are sealed through an upper valve cover and a sealing plate respectively, a plurality of liquid drainage holes which are formed in a penetrating mode are formed in the top of the partition plate in the circumferential direction, a plurality of liquid inlet holes which are formed in a penetrating mode are formed in the top of the sealing plate in the circumferential direction, and a lifting column and a sliding column which are vertically arranged in a sliding mode are correspondingly arranged in the left cavity and the right cavity and synchronously arranged in a sliding mode. The top of the lifting column is fixedly provided with a plurality of first plugs, and the top of the sliding column is fixedly provided with a plurality of second plugs. The problems that an existing drain valve of the motor train unit is prone to freezing and blocking, and sewage discharge of the motor train unit is affected are solved.

The sewage discharging and filtering device comprises a water inlet pipeline, a water outlet pipeline and a filtering mechanism, the water inlet pipeline and the water outlet pipeline are fixedly installed on the two sides of the filtering mechanism respectively, and a driving mechanism, a cleaning mechanism, a vibrating mechanism and a sewage discharging mechanism are installed on the inner side of the filtering mechanism respectively; the filtering mechanism comprises a filtering shell, an inclined panel and a filtering plate; the inclined panel and the filtering plate are fixedly mounted in the filtering shell; the driving mechanism comprises a driving blade, a rotating disc and a connecting shaft, the driving blade is rotationally connected to the front end of the inclined panel, the rotating disc is fixedly connected to the outer side of the driving blade, and a transmission gear is arranged on the inner side of the rotating disc in a meshed mode. By arranging the cleaning mechanism and the pollution discharge mechanism, the filter screen holes are continuously cleaned, the problem of blockage of a traditional filter layer is effectively avoided, and the pollution discharge efficiency of the culture pond is remarkably improved.

The invention relates to the technical field of sewage treatment, and discloses a sewage system deposition problem evaluation method and device, a medium and a program product, and the method comprises the steps: constructing a target sewage system model capable of coupling a sediment movement process through integrating a sewage discharge rule, a real-time multi-source data set, a historical data set and a preset organic matter proportion parameter; the method breaks through the limitation that a traditional evaluation method only depends on single data or a simplified model, and achieves the comprehensive, dynamic and accurate evaluation of the deposition problem of the sewage system. Historical data and real-time data are combined, so that the model has historical experience support and can reflect the current system state, the introduction of preset organic matter proportion parameters considers the influence of organic matters in sewage on deposition, the model is more suitable for the actual situation, the reliability and accuracy of an evaluation result are greatly improved, and the method is suitable for popularization and application. And a scientific basis is provided for prevention and treatment of the deposition problem of a sewage system.

The invention provides a navigation mark monitoring data processing method and a navigation mark monitoring data processing system for ship water pollutant discharge, which are applied to the technical field of sewage discharge, and are used for obtaining readings of various types of water quality sensors on navigation marks in real time and calculating the change rate of the readings in a preset monitoring time period. And intelligent judgment is carried out according to a combination mode of reading change rates of different sensors. The method can intelligently distinguish the fault of the sensor from the actual water pollution, and significantly improves the accuracy of the monitoring data and the reliability of pollution event identification, thereby avoiding the wrong attribution of the pollution responsibility, and providing a more accurate and more reliable monitoring means for the water environment protection.