4125 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 surface water river-entering sewage draining exit pollution abnormity tracing method and device based on intelligent Internet of Things. The method comprises the following steps: constructing a database according to surface water pollution basic data; all pollution sources in the database are divided into different levels of pipeline logic relations according to the upstream and downstream communication relation of the land parcel area, the pipe network and the water system, and a pollution source-land parcel-pipe network-monitoring station intelligent Internet of Things grid is constructed; carrying out preprocessing and feature analysis on all data in the intelligent Internet of Things grid to construct a model database; a traceability model and a pollution contribution model are built based on the model database, the traceability model is used for calculating the pollution contribution rate of each pollution source, and a target discharge port or a target pollution discharge node is determined according to the pollution contribution rate; the pollution contribution model is used for generating and displaying a pollution contribution value of the target discharge port or the target pollution discharge point in response to an input instruction. The problem that a pollution source cannot be quickly and accurately determined in surface water environment management is solved.

The invention discloses an intelligent monitoring system for a village and town rain and sewage pipe network, which relates to the technical field of village and town rain and sewage management and control and comprises an equipment construction module, a data acquisition and transmission module, a storage management module, an analysis processing module, a display output module, a remote supervision module and an intelligent supervision module. According to the intelligent monitoring system for the village and town rain and sewage pipe network, monitoring point positions can be reasonably increased and monitoring equipment can be installed and deployed according to actual conditions of village and town areas, so that the running state and sewage discharge conditions of the pipe network can be comprehensively reflected, and meanwhile, an efficient data transmission and processing flow is established; the accuracy and reliability in the monitoring data transmission process are improved through a verification mechanism, meanwhile, the monitoring data are analyzed and mined by means of big data, cloud computing and other technical means, decision support is provided for managers, intelligent and automatic monitoring of a rain and sewage pipe network is promoted, and the management efficiency is improved. The problem that manual monitoring is low in working efficiency and prone to errors is solved.

The invention discloses an industrial sewage plant pollutant traceability method and system, and relates to the field of industrial sewage plant pollutant traceability. According to the industrial sewage plant pollutant tracing method, a sewage adjusting tank in an industrial sewage plant is deeply divided, a plurality of monitoring layers of the sewage adjusting tank are obtained, sewage data of a plurality of monitoring time points are continuously obtained for each monitoring layer of the sewage adjusting tank, identification analysis is carried out, and pollutants to be traced are obtained. And synchronously acquiring monitoring data of a plurality of sewage discharge pipelines connected with the sewage adjusting tank and carrying out comprehensive analysis to obtain a plurality of predicted sewage discharge pipelines connected with the sewage adjusting tank in the industrial sewage plant. And a plurality of pollution source sewage discharge pipelines connected with the sewage adjusting tank in the industrial sewage plant are obtained, so that accurate tracing of sewage pollutants is realized, and errors in the tracing process are avoided.

The invention relates to the technical field of sewage discharge treatment, and discloses a sewage low-carbon treatment system based on electrochemistry and biochar, which comprises a deep treatment filter tank, an electrochemical nitrogen and phosphorus removal device, a biochar adsorption and filtration module, an intelligent control and operation and maintenance system, a slow-release agent regulation and control module and a low-carbon and resource recycling system, the advanced treatment filter tank is used for filtering sewage impurities and particles, adsorbing and removing organic matters, reducing the content of nitrogen and phosphorus nutrient substances and adapting to the change of water quality and water quantity; the electrochemical nitrogen and phosphorus removal device is used for carrying out electrochemical reaction to remove nitrate, phosphate and fluorine ions. According to the invention, the electrochemical active reaction is combined with charcoal adsorption filtration, so that the technology greatly improves the sewage treatment efficiency, especially shows a higher removal rate when treating complex pollutants, can meet higher water quality standard requirements, and effectively overcomes the difficulty that the traditional treatment technology is difficult to remove multi-element pollutants.

The invention belongs to the technical field of sewage treatment, particularly relates to laboratory efficient dissolved air flotation sewage treatment equipment and a use method thereof, and provides the following scheme aiming at the problems that scum cannot be effectively scraped by a scraper blade when the existing liquid level surface is relatively low, and a flocculating agent added in the later period is accumulated at the top of the scum: the laboratory efficient dissolved air flotation sewage treatment equipment comprises an air flotation box, a sewage liquid inlet pipe is arranged on one side of the air flotation box and used for injecting sewage, a sewage discharge pipe is arranged at one end of the air flotation box and used for discharging treated sewage, a scum discharge port used for discharging scum is formed in one end of the air flotation box and located above the sewage discharge pipe, a collecting box located below the scum discharge port is fixed to one end of the air flotation box, and a water outlet is formed in the other end of the air flotation box. According to the device, through cooperation of the air outlet cylinder, the nozzle and the scum discharging plate, the scum can be automatically gathered towards one side and discharged from salvage, scum removal is effectively completed, a flocculating agent can be automatically injected after scum removal, the flocculating agent is prevented from being accumulated on the scum, and the later sewage treatment efficiency is guaranteed.

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 relates to a regulation and control method and system suitable for wastewater multistage purification of a green factory and a terminal, and belongs to the technical field of factory wastewater treatment.The regulation and control method comprises the steps that according to historical wastewater discharge data of the factory, the predicted total discharge amount of wastewater discharge of the day is predicted; generating a first expected water inflow of the wastewater multi-stage purification system according to the predicted total discharge amount; periodically acquiring the actual buffer capacity of the stored sewage discharged into the flow buffer pool by the factory on the same day; whether the actual buffering capacity exceeds one time of the first expected water inflow or not is judged; and if yes, controlling the sewage in the flow buffer pool to enter the wastewater multi-stage purification system at the first expected water inflow. The wastewater multi-stage purification system has the beneficial effects that the treatment capacity of the wastewater multi-stage purification system adapts to the discharge amount of sewage, so that the wastewater treatment effect of the wastewater multi-stage purification system is 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.

Described are a washing machine and a control method for the washing machine. The washing machine includes: a water container; a filtering device, being configured to connect to the water container and to receive water in the water container for filtering, and has a sewage outlet for discharging sewage to the outside; a suction device, being configured to perform a suction action, drives the sewage in the filtering device to be discharged through the sewage outlet under the action of a pressure difference; and a recovery device, being configured to collect the sewage discharged by the filtering device. The recovery device can collect the sewage discharged by the filtering device, and a pressure difference can be formed inside and outside the sewage outlet of the filtering device through the suction action of the suction device, providing a driving force for the sewage to be discharged from the filtering device.

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 a PCBA finished product cleaning device, and particularly relates to the technical field of circuit boards, the PCBA finished product cleaning device comprises a shell, the top of the shell is fixedly connected with a water retaining cover, the top of the shell is fixedly provided with a gear strip, the top of the shell is provided with an overturning assembly, and one end of the overturning assembly is provided with a fixing assembly; a cleaning assembly, a water spraying assembly and a sewage discharging assembly are arranged in the shell. According to the PCBA finished product cleaning device, the overturning assembly is designed to be matched with the fixing assembly, the cleaning assembly, the water spraying assembly and the pollution discharge assembly, so that a circuit board can be fixed, overturned and cleaned, and water needed for cleaning is provided for a cleaning soft brush on a cleaning rotary disc through the water spraying assembly in the cleaning process; and then the circuit board is continuously turned over through the turnover assembly to be cleaned, waste water generated after cleaning is discharged through the pollution discharge assembly, the cleaning efficiency of the PCBA board is improved, and therefore the working efficiency of workers is further improved.

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 utility model is suitable for the technical field of blow-down valves, and provides an adjustable blow-down valve which comprises a valve body and a driving piece arranged on the valve body, a valve rod is arranged at the output end of the driving piece, the driving piece drives the valve rod to vertically move up and down, and a valve element is arranged at the bottom of the valve rod. The friction set is arranged in the valve body and comprises a vertical rod fixedly connected to the valve rod, a transverse rod arranged in the valve body and a friction plate connected to the valve body in a sliding mode, the transverse rod is sleeved with a sliding block, a connecting rod is hinged between the sliding block and the vertical rod, the vertical rod and the transverse rod are both connected to the valve body in a sliding mode, the transverse rod is sleeved with a main elastic piece, and the main elastic piece is connected with the friction plate in a sliding mode. The main elastic piece abuts against the sliding block. The blow-down valve has the advantages that the valve element can be driven by the driving piece to move up and down, and the blow-down valve can be rapidly opened or closed; and a sealing groove of the valve element and the valve body can be cleaned through the friction set, and the problem that sealing is not tight due to the fact that much dirt exists in the sealing groove is 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 dust removal equipment for green building construction applied to the field of construction dust removal equipment, according to the dust removal equipment for green building construction, by means of cooperation of a dust fall water frame, an isolation belt and an electric extension rod, when a filter belt knocks and cleans blockages containing water vapor on the surface, a water body subjected to immersion cleaning is intercepted and isolated; according to the device, blockage in cleaned sewage is isolated in a lower layer area, interference to subsequent immersion cleaning is avoided, the wiping rod can further enhance the cleaning effect on the surface of the filter belt, in addition, in cooperation with the elastic pipe, the adhesion state of a flocculating settling layer on the bottom wall of the dust falling water frame can be destroyed by utilizing the design of the water injection elastic pipe during sewage discharging, and the cleaning effect of the surface of the filter belt is improved. And after pollution discharge is finished, the second control valve is opened to discharge the water body injected into the elastic pipe, and the supplementing and cleaning effects are achieved.

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 invention provides a sewage treatment optimization control method and system, electronic equipment and a storage medium, and belongs to the field of intelligent garbage recognition. The method comprises the following steps: building a BSM1 model of a sewage treatment process by adopting Simulink; capturing sewage simulation data based on the BSM1 model, and training by using an Elman neural network to obtain a parameter prediction model of a sewage treatment process; optimizing the parameter prediction model by adopting a prefabricated IMOGWO algorithm; obtaining a predicted value of a target control parameter according to the optimized parameter prediction model; and controlling the predicted value based on a stepping fuzzy PID method so as to optimize and control the sewage treatment process. By means of the sewage treatment method and device, the problems that existing sewage treatment equipment is poor in sewage historical information sensitivity, low in budget solving precision, low in convergence speed, prone to falling into local optimum, poor in control precision and the like are solved, and therefore it is guaranteed that sewage discharge reaches the standard while energy consumption in the sewage discharge process is effectively reduced.

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 discloses an energy-saving car washer sewage recycling device which comprises a car washer, a first-stage sedimentation tank, a third-stage sedimentation tank, a second-stage sedimentation tank, a cover plate, a filter press, a sewage pump, a first branch sewage discharge pipeline, a second branch sewage discharge pipeline, a third branch sewage discharge pipeline and a main sewage discharge pipeline. The first-stage sedimentation tank is communicated with the second-stage sedimentation tank through a communicating pipe, and the second-stage sedimentation tank is communicated with the third-stage sedimentation tank through an opening. The first-stage sedimentation tank, the third-stage sedimentation tank and the second-stage sedimentation tank are sequentially buried from inside to outside, so that the occupied space of the sedimentation tanks can be reduced, and the space utilization rate is increased; sludge in the first-stage sedimentation tank, the second-stage sedimentation tank and the third-stage sedimentation tank is conveyed to the filter press, the filter press presses the sludge into coal slime cakes, pressed water is discharged to the third-stage sedimentation tank, car washing water can be recycled, and water energy consumption is reduced; the sludge does not need to be cleaned manually, and only the coal slime cake treated by the filter press needs to be discharged regularly, so that the material loss 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 discloses a cyclone filter for sponge city rainwater collection, and relates to the technical field of cyclone filters, the cyclone filter comprises a support base, a filter cartridge is fixedly mounted on the support base, and the cyclone filter also comprises a decontamination assembly arranged on the filter cartridge and used for cleaning a fine filter screen and a coarse filter screen in the filter cartridge; the blocking assembly is arranged on the decontamination assembly, so that after the interior of the filter cartridge is blocked, the inlet of the filter cartridge is blocked at the same time; the automatic pollution discharge assembly is arranged in the filter cartridge and is used for automatically cleaning impurities such as silt accumulated in the filter cartridge; and the stirring assembly is arranged above the sewage discharging assembly and is used for increasing the centrifugal force of rainwater in the filter cartridge. According to the device, when the water flow is reduced due to blockage of the filter screen, the decontamination assembly can be automatically triggered, and the filter screen is cleaned through cooperation of the electromagnet and the cleaning brush, so that the problem that the filtering efficiency is reduced due to long-term blockage of the filter screen is effectively avoided, and smooth collection and efficient filtration of rainwater are ensured.