3030 results about "Sewage discharge" patented technology

The invention discloses a thermal power plant circulating water intelligent dosing method based on multi-module cooperation. The system is composed of a detection module, a control module, a chemical adding module, a sewage discharging module, a water supplementing module and an AI intelligent learning feedback module, key parameters such as the pH value, the conductivity, the temperature, the residual chlorine, the turbidity and the flow of circulating water are monitored in real time through a multi-dimensional sensing network, a dynamic water quality prediction model is established in combination with an AI algorithm, and precise closed-loop control over the chemical adding amount is achieved. The system adopts an intelligent decision-making mechanism coupled by a fuzzy PID algorithm and deep reinforcement learning (DRL), can adaptively adjust the dosing proportion of chemicals, and synchronously links a blow-down valve and a make-up pump to maintain the water balance of the system. The system solves the problems of large hysteresis quality and high manual dependence degree of a traditional dosing system, has the characteristics of real-time response, accurate control, energy conservation and consumption reduction, and provides an innovative solution for intelligent transformation of a circulating water system of a thermal power plant.

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 provides a combustion drive circulating gas-lift pressurizing all-in-one machine, and belongs to the technical field of natural gas production. Comprising a pressurization exhaust system, a gas lift pressurization system, a sewage discharge system, a pressure stabilizing system, a combustion drive multi-stage compression system and a base, and the pressurization exhaust system, the gas lift pressurization system, the sewage discharge system, the pressure stabilizing system and the combustion drive multi-stage compression system are all installed on the base. By arranging the pressurization exhaust system and the gas lift pressurization system, the device can perform gas lift and pressurization operation in an oil field, one machine has two purposes, by arranging the combustion drive multi-stage compression system, efficient dispatching of an oil and gas field circulation gas lift pressurization site is achieved, powerful guarantee is provided for development of the dual-carbon industry, and meanwhile, the device has good application prospects. By arranging the purification assembly, the natural gas in the well rises, so that the purity of the extracted natural gas is improved, and the problems that an existing gas lifting and pressurizing all-in-one machine is high in use cost and poor in effect are solved.

The invention relates to the technical field of water pollution and sewage discharge, in particular to a data-driven water pollution source and pollution discharge period prediction method. Comprising the following steps: step 1, establishing a spatial-temporal feature database, and unifying spatial-temporal references of data sources; 2, meteorological-hydrological coupling characteristics are obtained; step 3, quantifying the pollution transportation contribution of the upstream and downstream sub-basins to the downstream; step 4, automatically associating pollution point sources with sub-basins, feature monitoring points and the like based on spatial topology, and constructing a knowledge spectrogram; 5, pollution source analysis and emission period prediction; step 6, dynamically adjusting the monitoring network to cover the pollution high-risk area; step 7, constructing a whole watershed pollution early warning map; through data driving, map construction, pollution / pollution source analysis and prediction, monitoring dynamic adjustment and a whole-basin pollution early warning map, accurate traceability and dynamic transmission simulation of whole-basin pollutants, remote monitoring of a river leader and intelligent operation management of a river channel are realized, and the safety and health of a water ecological environment are ensured.

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 utility model discloses a sewage treatment sludge discharge device with a stirring mechanism, which comprises a top platform, a stirring adjusting component and a self-cleaning component, a support frame is arranged at the top of the top platform, and adjusting motors in the stirring adjusting component are symmetrically arranged at the top of the support frame. A stirring mechanism of the device is composed of a stirring motor, a conveying strip and a stirring frame, the stirring frame is driven by the stirring motor to rotate, a flocculation agent added by a feeding pump is more rapidly mixed in a water body, meanwhile, the position of the stirring frame is adjusted in cooperation with a stirring adjusting assembly, the mixing speed of stirring is increased, the flocculation and sedimentation process is accelerated, and the flocculation and sedimentation efficiency is improved. The sewage treatment efficiency of the device is improved; colloidal particles are condensed into large particles, the large particles settle to the bottom of the water body and become sludge which can be accumulated at the bottom end of the interior of the treatment shell, the deposited sludge is scraped into the sewage draining exit through the self-cleaning assembly to be discharged, the automatic sludge discharging effect is achieved, manual participation in the sludge discharging process is not needed, and the practicability of the device is improved.

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The invention discloses a denitrification device for town sewage treatment, and relates to the technical field of sedimentation pools, the denitrification device comprises a sedimentation pool main body, the sedimentation pool main body is provided with a driving mechanism, an oil removal mechanism and a flocculant feeding mechanism, the bottom of the sedimentation pool main body is provided with a sewage inlet pipe and a sewage discharge pipe, and the edge of the inner end surface of the sedimentation pool main body is provided with an overflow plate. A clear water outlet is formed in the side wall of the sedimentation tank main body, an annular reflecting cover and an annular steady flow plate are arranged in the sedimentation tank main body, the driving mechanism comprises a driving motor, a speed reducer, a central shaft pipe and a sludge scraper, the driving motor drives the central shaft pipe through the speed reducer, and the bottom of the central shaft pipe is communicated with a sewage inlet pipe. The invention aims to provide the denitrification device for town sewage treatment, the denitrification device has the advantages of simple structure, convenience in maintenance, high oil removal efficiency and accurate flocculant addition, and the problems of complex equipment, high maintenance cost, poor oil removal effect and agent waste of a traditional secondary sedimentation tank are solved.

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 relates to the technical field of water quality monitoring, in particular to a water quality monitoring method and system based on the Internet of Things technology. The method comprises the following steps: acquiring multi-source water quality monitoring data of a monitoring area; analyzing the multi-source water quality monitoring data, and determining whether illegal pollution discharge possibility exists or not; if yes, water pipe layout information and area information of the monitoring area are obtained; analyzing the water pipe layout information, and determining water flow path association; determining pollution dissipation path information based on the water flow path association according to the multi-source water quality monitoring data; analyzing the regional information, and determining factory distribution characteristics; and determining an illegal pollution discharge point according to the water flow path association, the plant area distribution characteristics and the dissipation path information. The spatial consistency of the final positioning result and the physical pipe network layout is ensured, and the false alarm caused by the model error is eliminated.

The invention discloses a sewage discharge device for chemical engineering environmental protection, and belongs to the field of sewage discharge, the sewage discharge device comprises a sewage treatment tank, the side surface of the sewage treatment tank is provided with a drainage pipe, the outer wall of the sewage treatment tank is fixedly connected with a [-shaped plate, the outer wall of the [-shaped plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with the drainage pipe. The outer wall of the threaded rod is in threaded connection with a moving block, the bottom of the moving block is rotationally connected with a connecting plate A, the lower end of the connecting plate A is fixedly connected with a pesticide barrel, and the middle of the moving block is rotationally connected with a rotating shaft A. According to the sewage treatment device, the outflow amount of liquid medicine can be accurately adjusted according to actual requirements, the applicability of the device is improved, centrifugal force and inertia are generated in the rotating process of the medicine barrel, the liquid medicine can be sprayed to a larger range, the liquid medicine is prevented from being concentrated in one area, and the contact area and the treatment efficiency of the liquid medicine and sewage are improved.

The invention relates to the technical field of synthesis and preparation of nano materials, in particular to a method for preparing tin dioxide powder, which comprises the following steps: S1, preparing a 0.1-5 mol / L tin salt solution, adding a compound additive into the tin salt solution, and carrying out ball milling treatment after ultrasonic dispersion to obtain a pretreated tin salt solution; s2, freezing and freezing the pretreated tin salt solution in an ultralow-temperature environment to obtain a frozen sample; s3, transferring the frozen sample into a vacuum freeze dryer for dehydration treatment to obtain solid powder; and S4, carrying out high-temperature calcination on the solid powder to obtain tin dioxide powder. Zero sewage discharge is achieved in the preparation process, the problem of sewage discharge and treatment of traditional liquid-phase powder preparation is solved, meanwhile, the phenomenon of sintering agglomeration accompanied by traditional solid-phase calcination can be avoided, high-quality superfine tin dioxide powder preparation is achieved, the method is simple and safe in process, and industrial large-scale production and preparation are easy to achieve.

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 discloses pond bottom sludge separation treatment equipment based on aquaculture, and relates to the technical field of aquaculture, the pond bottom sludge separation treatment equipment comprises a supporting mechanism, and is characterized in that two longitudinally-arranged support assemblies are fixedly connected to the top end face of the supporting mechanism in a linear array mode, and a supporting frame is rotationally connected to the inner sides of the support assemblies; the side plate assemblies are fixedly connected to the inner sides of the supporting frames, efficient separation of water in sludge is achieved through the extrusion effect of the spiral assemblies and the filtering function of the seepage mechanisms, the water content of the separated sludge is remarkably reduced, and compared with traditional equipment only pumping silt, the difficulty and cost of follow-up dehydration, stacking or resource utilization are greatly reduced; meanwhile, the risk of secondary pollution caused by sewage discharge is reduced.

The utility model relates to the technical field of salt manufacturing spraying devices, in particular to a spraying device for reducing turbidity of a brine pond, which comprises an outer cylinder, a first delivery pump is arranged on one side of the outer cylinder, the first delivery pump is communicated with the outer cylinder through a suction pipe, and a liquid outlet pipe is fixedly mounted at the liquid outlet end of the first delivery pump. A plurality of conveying pipes are fixedly installed on the liquid outlet pipe, a plurality of nozzles are fixedly installed at the bottoms of the conveying pipes, an inner mesh barrel is fixedly installed in the outer barrel, a second conveying pump is arranged outside the outer barrel and communicates with the interior of the inner mesh barrel through a liquid inlet pipe, and an outer through pipe is fixedly installed at the water inlet end of the second conveying pump; a filter screen is arranged outside the inner mesh cylinder, a conical hopper is fixedly mounted at the bottom of the inner mesh cylinder, and a blow-off pipe is fixedly mounted at the bottom end of the conical hopper. According to the utility model, the circulating filtration operation is facilitated, the turbidity is reduced, the pollution discharge operation is facilitated, and the use is convenient.

The invention relates to the technical field of filters, in particular to an adjustable Y-shaped filter which comprises a shell body and a filter cartridge arranged in the shell body, a base is arranged on the shell body, a pollution discharge module used for discharging impurities is arranged on the base, and the adjustable Y-shaped filter further comprises a pollution shoveling module arranged on the base and used for shoveling the Y-shaped filter. The sewage discharging device has the beneficial effects that the sewage discharging screw plug is arranged at the position of the inclined downward side of the base, due to the fact that the base is in an inclined state, accumulated impurities can be deposited at the sewage discharging screw plug under the action of gravity, and when the sewage discharging screw plug is separated from the base, the impurities can be discharged through a screw hole between the sewage discharging screw plug and the base; meanwhile, the driven part is not interfered by the top frame any more, the push plate can move under the action of elastic force provided by the reset spring, so that impurities in the precipitation tank are pushed towards the pollution discharge screw plug, the pollution discharge efficiency can be improved, the viscous impurities can be cleaned, and the pollution discharge effect is improved.

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.

An industrialized fish and algae farming system with recirculating water and method are provided, and the system includes a fish and algae farming system, a fiber rotary disc filter system, and a magnetic loading flocculation system. In accordance with the fish and algae farming system, the aquaculture of fish and algae in the same space is achieved, the algae can transform CO2 exhaled by fish and nutrients, polysaccharides, vitamins and lipids, and then release oxygen to rapidly improve the aquaculture water quality. The fiber rotary disc filter system and the magnetic loading flocculation system can effectively remove suspended particles, grease, algae, bacteria, viruses and the like in aquaculture sewage, thus achieving the deep purification of the aquaculture sewage. The purified water quality reaches the aquaculture standards in fishery and can be directly recycled, and the whole system has no sewage discharge.

The invention relates to the technical field of sewage disposal equipment, and discloses a high-pressure liquid bag sewage disposal device, a sewage disposal system and a ship. The high-pressure liquid bag sewage disposal device comprises a shell and a liquid bag, a first containing cavity is formed in the shell, and a first opening and a second opening are formed in the shell; the first opening and the second opening penetrate through the shell and selectively communicate with the first containing cavity. The liquid bag is located in the first containing cavity, a second containing cavity is formed in the liquid bag, the liquid bag is provided with a third opening communicated with the second containing cavity, and the third opening is communicated with the first opening; and at least part of the liquid bag is constructed into a flexible part, so that when clean seawater is input into the second accommodating cavity from the first opening, the volume of the liquid bag is increased and sewage in the first accommodating cavity is discharged, and when the clean seawater in the second accommodating cavity is discharged from the first opening, the volume of the liquid bag is reduced. According to the high-pressure liquid bag pollution discharge device, the energy consumption is reduced.

The utility model relates to the technical field of filter elements, and discloses a detachable filter element for spraying, which comprises a filter cover and a folding filter element, the folding filter element is arranged in the filter cover, the top end of the folding filter element and the top end of the filter cover are respectively provided with a threaded pipe and a sealing threaded cover, the sealing threaded cover is in threaded connection with the threaded pipe, and the folding filter element is arranged in the filter cover. A sewage discharging assembly is arranged at the bottom end of the filtering cover, an output pipe is fixedly connected to the surface of the filtering cover, and a lead screw is installed at the top of the filtering cover through a supporting assembly; the filter has the beneficial effects that the filter cover can be used for loading the folding filter element and supporting the bottom end of the folding filter element, the folding filter element can be quickly disassembled and assembled by screwing the sealing threaded cover and fixedly connecting the folding filter element with the sealing threaded cover, and the folding filter element can be quickly disassembled and assembled by rotating the screw rod and driving the threaded sleeve to move. And the limiting block can be pushed to the top end of the sealing threaded cover, the sealing threaded cover is clamped, and the sealing threaded cover can be reinforced.

The invention discloses an in-situ treatment device for overflow sewage. The in-situ treatment device comprises a regulation and storage tank, a flow guide impurity filtering mechanism, a self-floating overflow treatment mechanism and a sewage discharge mechanism, the flow guide and impurity filtering mechanism is fixedly assembled in the regulation and storage tank and used for conducting flow guide and self-cleaning filtering on inlet water of the regulation and storage tank, the flow guide and impurity filtering mechanism comprises a filtering grating, the filtering grating is fixedly assembled at a water inlet of the regulation and storage tank, and a pair of scrubbing rollers is rotationally assembled above the filtering grating; and an impurity removal roller is arranged on one side of the scrubbing roller. And the self-floating overflow treatment mechanism is assembled below the filter grating. By arranging the flow guide impurity filtering mechanism and the self-floating type overflow treatment mechanism, suspended impurities in overflow sewage can be guided out in an auxiliary mode, the smoothness of the overflow sewage is improved, meanwhile, floating type aeration treatment can be conducted on the storage pond, the effect of on-site treatment on the overflow sewage is improved, and the service life of the storage pond is prolonged. The high efficiency of filtering treatment on the overflow sewage is obviously improved.

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.

The invention discloses a preparation method of basic magnesium chloride, which comprises the following steps: dissolving magnesium chloride in water, heating to 50-95 DEG C, and stirring for 1-2 hours to obtain a colorless and transparent first solution; magnesium oxide is added into the first solution, alkali is added to adjust the pH to be 8-10, heat preservation is conducted, stirring continues for 1-4 h, and a second solution is obtained; pulping the second solution into a crystallization kettle, crystallizing, centrifuging, washing, drying a filter cake at 80-105 DEG C to obtain a white product basic magnesium chloride, and circulating mother liquor water for the synthesis reaction. The synthesis process provided by the invention is simple, high in product yield and yield and suitable for mass production, a common chemical synthesis kettle can meet production requirements, high-temperature and high-pressure procedures are avoided, and the production cost is reduced. The method is low in energy consumption, high in safety, free of wastewater and sewage discharge, green and environment-friendly.

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 anti-blocking submerged pump equipment, in particular to an anti-blocking submerged pump which comprises a connecting assembly, a pump body motor, a liquid pump assembly, a liquid discharging pipe, a filtering assembly and a connecting shaft, the pump body motor is fixedly connected with one end of the connecting assembly, the liquid pump assembly is provided with a pump body flow channel, a liquid inlet and a liquid outlet, and the liquid discharging pipe is connected with the connecting shaft. An impeller is installed in the pump body flow channel, the liquid discharging pipe is fixed to the liquid outlet and provided with a liquid inlet end, a liquid discharging end and a back flushing end, the filtering assembly is installed in the liquid inlet and comprises a filtering part and a sliding part, and a sewage discharging groove penetrating through the filtering assembly is formed in the sliding part. Through the combined design of the filtering assembly and the liquid outlet, automatic cleaning is achieved, the use energy consumption and the use cost of the submerged pump are reduced, energy consumption increase caused by blockage of the submerged pump is avoided, meanwhile, additional power equipment is not needed in the back flushing process, opening and closing of a sewage discharging groove of the filtering assembly can be completed only through fluid pressure, and the cost is reduced. And the maintenance energy consumption of the submerged pump is reduced.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment sediment collecting device which comprises a rack, a blow-off pipe is arranged above the rack, a water storage tank is fixed on the rack, a flocculus removing device is arranged on the rack between the blow-off pipe and the water storage tank, the flocculus removing device comprises a plurality of positioning shafts arranged on the rack, and the positioning shafts are arranged on the rack. A plurality of chain wheels are evenly fixed to the positioning shaft, the chain wheels at the corresponding positions of the positioning shaft are connected in a winding mode through chains, positioning blocks are evenly fixed to the chains, positioning rods are fixed to the positioning blocks, the positioning shaft is driven by a positioning motor to rotate, and a material collecting plate is further obliquely fixed to the portion, on one side of the wadding removing device, of the rack. A conveying device is further arranged on the portion, below the flocculus removing device, of the machine frame, the conveying device comprises conveying shafts arranged on the machine frame, the conveying shafts are driven by a conveying motor to rotate, and conveying rollers are fixed to the conveying shafts. The device can effectively prevent flocculent impurities from being discharged along with sewage after being cut off.

The present invention discloses a rainwater collection device based on a sponge city and its collection method, specifically relating to the technical field of rainwater collection. It includes a reservoir and a sedimentation cylinder. A manhole and a reuse well are arranged inside the reservoir. A first sewage discharge hole is opened at the bottom of the sedimentation cylinder, and a first sealing member is arranged in the first sewage discharge hole. When the water storage in the sedimentation cylinder is relatively large, the first sealing member can change the sealing state according to the accumulated water volume inside the sedimentation cylinder. A stirring member is arranged at the inner bottom of the sedimentation cylinder, and the stirring member can stir the sediment at the first sewage discharge hole when the first sewage discharge hole is opened. A second water inlet pipe is arranged on the side wall of the sedimentation cylinder. By pre-opening the sewage outlet according to the precipitation and the water storage volume inside the reservoir, and keeping the accumulated water inside the reservoir at a certain water level, the present invention enables the reservoir to have a certain buffer space, so as to ensure that when there is heavy rain or continuous rain resulting in a large precipitation, the rainwater collection device can quickly discharge floodwater to prevent urban waterlogging.

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.