1603 results about "Sewage outfall" patented technology

The invention relates to the technical field of water environment monitoring, and discloses a sewage detection and traceability system based on multi-source data fusion. The system comprises an unmanned aerial vehicle data acquisition module, an edge end preprocessing module, a cloud data fusion and modeling module, a traceability decision module and a closed-loop optimization module, and all the modules work cooperatively to realize sewage detection and traceability full-process automation. Hyperspectral, thermal infrared, LiDAR and meteorological data are collected in an integrated mode through a multi-source sensor, pollution area identification, pollutant concentration quantification, sewage draining exit positioning and pollution diffusion path tracing are accurately completed through edge end preprocessing and cloud deep fusion modeling, a detection strategy is dynamically adjusted through a closed-loop optimization mechanism, and the detection accuracy is improved. And high precision, high efficiency and real-time response of sewage detection under complex terrains are realized.

The invention relates to a biological and ecological ectopic integrated tail water purification device and method, the device comprises a buffer sedimentation tank at the lower part, an ecological treatment area at the middle part and an aeration tank at the top, tail water at the upper part of the buffer sedimentation tank is conveyed to the aeration tank through a water pump, the bottom is provided with a drain outlet, and the ecological treatment area comprises a benthic organism tank, a microorganism tank and a wetland tank of which the heights are sequentially reduced; the upper part of the wetland pool is not blocked, and tail water flows out from a water outlet of the wetland pool after sequentially passing through the aeration pool, the benthic organism pool, the microorganism pool and the wetland pool. A series of three-dimensional structures such as the vertical flow wetland and the laminated filter tank are adopted, compared with the prior art, the occupied area is greatly reduced, the space utilization rate is increased, and the intensive culture space contradiction is solved.

The utility model discloses a prefilter and water consuming system relates to prefilter technical field, wherein prefilter includes shell, filter subassembly and outer skeleton, the shell is provided with water filtration cavity, and is communicated water inlet, water outlet and drain outlet of water filtration cavity, water inlet is communicated with water supply end, water outlet is communicated with water consuming end; the filtering assembly is arranged in the water filtering cavity and comprises a plurality of filtering modules distributed in the first direction, each filtering module is provided with a water passing cavity, a first water passing opening and a second water passing opening, the first water passing openings and the second water passing openings are communicated with the water filtering cavity, the second water passing openings are provided with filtering pieces, and at least part of each filtering piece is obliquely arranged; the outer framework is arranged on the outer side of the filtering assembly and provided with a siphon flow channel, a siphon hole and a first discharging opening, the siphon hole and the first discharging opening are communicated with the siphon flow channel, the siphon hole corresponds to the filtering piece, and the first discharging opening is communicated with the sewage draining opening. According to the technical scheme provided by the utility model, the filtering assembly can be flushed, so that the filtering effect of the filtering assembly is ensured.

The utility model discloses a floating type purification device for a river drain outlet. The floating type purification device comprises a mounting frame, the two sides of the mounting frame are each fixedly provided with two connecting frames, the two connecting frames located on the same side are fixedly provided with the same floating body, the mounting frame is slidably provided with two U-shaped frames, and the two U-shaped frames are provided with sewage purification structures. During operation, the device can be placed at a sewage draining exit of a river channel, floats on the water surface by utilizing the floating body, and pumps water into the purification box by utilizing the electric pump, so that the water is respectively purified by the solid microorganism carrier layer and the braid curtain type biological membrane carrier and then is discharged; by arranging the electric pump, water can be promoted to pass through the solid microorganism carrier layer and the braid curtain type biological membrane carrier, then the water purification efficiency is improved, the height of the purification box can be adjusted by rotating a handle, the purification box can adapt to river channels with different depths to be used, and then the applicability and stability of the device are improved.

The invention provides a liquid-cooling cold plate device provided with micro-channels for enhancing heat exchange, which belongs to the technical field of liquid-cooling cold plates and comprises a shell, a heat conducting plate is arranged at the top of the shell, a heat insulating plate is arranged in the shell, and a cooling plate is arranged between the heat conducting plate and the heat insulating plate; the cooling plate comprises an upper plate and a lower plate, and a cooling flow channel is formed between the upper plate and the lower plate; flow collecting blocks are arranged at the two ends of the shell, flow collecting cavities are formed in the flow collecting blocks, the two flow collecting cavities are communicated through cooling flow channels, ports are formed in one ends of the two flow collecting blocks, and the two ports are connected with an external cooling equipment pipeline; a water inlet is formed in the bottom of one group of flow collecting blocks, and a drain outlet is formed in the bottom of the other group of flow collecting blocks; the water inlet is connected with a drain outlet pipeline, and a drain valve is arranged on the connecting pipeline; and a control module is arranged below the heat insulation plate. The device is composed of two groups of slow flow cavities and a plurality of groups of shunting flow channels, and is matched with a cooling flow channel of a filter block, a drain outlet and a blow-down valve, so that the device can clean dirt and impurities.

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 provides a cooling device and a control method thereof, a storage medium and a program product, and relates to the technical field of cooling. The cooling device comprises a filtering system; the filtering system comprises a filter, an inlet pressure sensor, an outlet pressure sensor, a pump front switching valve, a one-way valve, a flushing pump, a sewage draining switching valve and an outlet switching valve; the filter comprises a barrel and a filter element located in the barrel, and the barrel comprises an inlet, an outlet and a drain outlet located between the inlet and the outlet; the one-way valve is arranged at the inlet, is sequentially connected with the filters and then is connected in parallel with the pre-pump switch valve and the flushing pump which are sequentially connected; the before-pumping switch valve is close to the one-way valve; the inlet pressure sensor is arranged at one end of the filtering system close to the refrigerating system; the outlet switch valve and the outlet pressure sensor are arranged at the end, close to the cooling system, of the filtering system. Automatic cleaning is achieved, manual intervention is not needed, time and labor are saved, and the service life of the filter element can be greatly prolonged.

The utility model discloses an oil-gas separation device, relates to the field of oil and gas wells, and realizes efficient separation of oil, gas and water in a mixture through the synergistic effect of a separation tank and a purification bin in combination with rotational flow sedimentation, aeration purification and automatic control. After the mixture enters the separation tank, heavy impurities are settled and discharged under the action of rotational flow, and meanwhile, primary aeration of the oil liquid is completed when gas floats in the water body, so that light impurities in the oil liquid form foams and preferentially enter the purification bin. In the purification bin, the oil liquid is subjected to secondary aeration, the impurities are further removed to form foamy substances, the foamy substances are discharged through a sewage draining exit, and finally sufficient separation and removal of the impurities are achieved. According to the scheme, the treatment process of oil-gas-water three-phase separation is simplified, the separation efficiency and the oil-gas drying effect are improved, the manual operation requirement is reduced, the environmental pollution risk is reduced, the device is particularly suitable for primary treatment of wellhead collection in the field of petroleum and natural gas, and high-quality raw materials are provided for subsequent refining and conveying.

The invention discloses an underground coal mine wet-type centrifugal dust removal mechanism, a dust removal system and a use method of the dust removal system. The mechanism comprises an inner shaft, a middle barrel and an outer barrel which are coaxially arranged, a second blade is arranged on the outer side of the inner shaft; a plurality of through holes are formed in the peripheral side of the middle barrel, and first blades are arranged on the inner side of the middle barrel; a first annular area is formed between the middle barrel and the inner shaft, a second annular area is formed between the middle barrel and the outer barrel, and the inner shaft and the middle barrel are driven to rotate in the same direction. Dust-containing fluid enters from one end of the first annular area and is discharged from the other end of the first annular area or is upwards discharged from a hollow hole of the inner shaft; and dust-containing liquid drops subjected to rotating centrifugation are discharged from the sewage draining exit. A controllable forced rotating flow field can be formed, so that dust-containing fluid is subjected to larger centrifugal force, stress is uniform, the track is stable, the risk of impact rebound is reduced, fine dust capture and gas separation are completed, decoupling of centrifugal separation and collection of the dust-containing fluid is achieved, and the dust removal effect is better.

The utility model discloses a stable fixing frame for polishing, which is applied to the field of fixing frames and comprises a fixing frame, and the top of the fixing frame is fixedly connected with a storage barrel. According to the feeding device, the storage barrel is used for placing the spherical lens in advance, and the pushing air cylinder, the connecting plate, the connecting rod and the pushing plate are arranged to receive the lens and directly push the lens to the position between the two clamping plates to complete feeding. Clamping cylinders, clamping plates and pushing plates are symmetrically arranged to be matched with the inner wall of the fixing frame on one side of the inner cavity of the grinding groove, so that the spherical lens can be clamped and fixed in four directions, the stability is improved, the center point of the lens is limited to correspond to the center point of the grinding head, manual adjustment is not needed, the efficiency is high, and the labor intensity is reduced. And the grinding precision is higher after the grinding head corresponds to the center point of the lens. The water pipe is connected with the water pipe, and the water pipe feeds water into the water pipe and sprays the water to the lens through the nozzle to wash dust generated by lens polishing and discharge the dust through the drain outlet.

The utility model discloses a prefilter and water consuming system relates to filter technical field, wherein prefilter includes valve head, filter flask, filter subassembly and moving part, filter flask forms the water filter cavity, valve head is equipped with the water inlet and water outlet that is communicated with water filter cavity, filter flask is equipped with the drain outlet that is communicated with water filter cavity, filter subassembly is provided in the water filter cavity, and the moving part is equipped with the water inlet and water outlet that is communicated with water filter cavity. The filtering assembly comprises a filtering module, the filtering module comprises a filtering part, at least part of the filtering part is obliquely arranged, the movable part is movably arranged in the water filtering cavity, so that the pre-filter can be switched between a filtering mode and a flushing mode, the water inlet and the water outlet are formed in one side of the movable part, and the sewage draining outlet is formed in the other side of the movable part; the spaces on the two opposite sides of the movable part are separated in the filtering mode and communicated in the flushing mode. According to the technical scheme provided by the utility model, the filtering effect of the filtering assembly is ensured, and the service life of the pre-filter is prolonged.

The present application relates to the field of vehicle power technology, and particularly relates to a hydrogen fuel cell with air purification and circulation functions, a self-cleaning air guide assembly is arranged at the air inlet of the fuel cell, the preliminarily filtered air in the vehicle is introduced into the fuel cell by the air guide fan, the air is secondarily filtered by the filter membrane during the air inlet process, the filter membrane can be retracted and extended by the first retraction and extension piece and the second retraction and extension piece installed in the air inlet window, at the same time, the air inlet cover guides the unreacted residual air back to the installation chamber through the air guide pipe, the outside of the filter membrane is back-flushed, the attached impurities are discharged through the blow-off port, the filtering efficiency of the filter membrane is effectively maintained, in addition, the inner side knocking assembly is arranged in the installation chamber, when the first retraction and extension piece and the second retraction and extension piece rotate, the knocking plate can knock the inner side of the filter membrane, the attached impurities are promoted to fall off, so that the self-cleaning effect is further improved, the dust holding capacity and the self-cleaning performance of the filtering assembly are significantly improved, and the maintenance frequency and the replacement requirement are reduced.

The invention relates to the field of textile wastewater treatment, in particular to a fiber filtering device in a textile wastewater discharge process, which comprises a barrel with a water inlet and a water outlet, a filtering mechanism, a driving mechanism and a clearing mechanism. A fiber blocking needle capable of radially stretching and retracting is arranged in a rotary drum of the filtering mechanism and is matched and connected with a dovetail guide rail through a sliding block; a motor of the driving mechanism drives a driving plate to rotate positively and negatively through a transmission shaft, the fiber blocking needles are driven to extend out of the surface of the drum to hook fibers during positive rotation, and meanwhile, a driving block drives the drum to rotate to filter wastewater; during reverse rotation, the fiber blocking needle retracts to separate the fibers, and the driving block triggers the sensor to start the clearing mechanism. A sealing scraping plate of the removing mechanism is rotatably attached to the surface of a rotary drum through a gear set to scrape fibers, high-pressure washing is conducted through a synchronous water spraying channel, and impurities are discharged through a bottom drain outlet. The device integrates physical interception and mechanical self-cleaning, breaks through the problem that a traditional filter screen is easy to block, and realizes efficient fiber recovery and pollution-free continuous operation.

The invention discloses an efficient PVC particle-containing tail gas purification system and method, and relates to the technical field of PVC treatment. A tangential tail gas inlet is formed in the middle of the side wall of the washing tower, a tail gas outlet is formed in the top, and a drain outlet is formed in the bottom; the input end of the first-stage venturi dust remover is connected to the output end of the cyclone separator; the second-stage venturi dust remover is coaxially arranged in the inner cavity of the washing tower, the top wall is hermetically connected with the top wall of the washing tower, the outer wall and the inner wall of the washing tower form an annular space, and the tangential tail gas inlet is communicated with the annular space; the water film generating device comprises a first group of water outlet holes formed in the inner wall of the washing tower in the annular space and a second group of water outlet holes formed in the outer wall of the secondary venturi dust remover; the particle intercepting layer is arranged above an air outlet of the second-stage Venturi dust remover; the airflow uniform distributor is arranged above the particle interception layer; and the spraying device comprises water injection nozzles which are symmetrically arranged at the upper end and the lower end of the demister. According to the system, PVC particles and impurities in tail gas are effectively removed through multi-stage purification, and the purification efficiency is high.

The embodiment of the invention provides a sewage draining exit state identification method and system, and can solve the problems that the traditional sewage draining exit monitoring mainly depends on manual inspection, the efficiency is low, the coverage is limited, and a hidden sewage draining exit is difficult to find in time. The method comprises the following steps: acquiring image data of a to-be-identified area through an unmanned aerial vehicle; image data of the to-be-recognized area is input into a sewage draining exit state recognition model, the sewage draining exit state recognition model is obtained through training based on sewage draining exit image data under different marked sewage draining states, different shooting angles and environment conditions, and a model input channel is internally provided with a water color feature branch; the RGB extraction module is used for extracting RGB values of a target area and a surrounding water body in the image, and converting the RGB values into hue H and saturation S in an HSV color space through nonlinear transformation; and based on the sewage draining exit state identification model, determining a sewage draining exit position, a sewage draining state and a confidence coefficient corresponding to the sewage draining state in a to-be-identified area.

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 relates to the field of train pollution discharge, in particular to an unmanned intelligent pollution discharge method, device and system, and the intelligent pollution discharge device comprises at least one composite robot which comprises a moving trolley capable of freely moving and a mechanical arm arranged on the moving trolley; the robot end clamp is connected to the tail end of the robotic arm; the ground end clamp, the motor car end clamp and the connecting pipeline can be located on the moving trolley, and the ground end clamp and the motor car end clamp are connected to the two ends of the connecting pipeline respectively and can be connected in a quick-changing mode through the robot end clamp. The ground end clamp, the bullet train end clamp, the corresponding external sewage suction pipe and the corresponding external sewage draining exit are driven to be mounted or dismounted.

The invention provides a river and lake pollution tracing method and system and a storage medium, and the method comprises the steps: obtaining the hydrological basic data of a river and a lake, and converting the hydrological basic data into a directed graph structure to construct a hydrological topology network; original data of the monitoring points and the drain outlets are obtained, new nodes are generated based on the original data, and the new nodes are used for completing updating of the hydrological topology network; constructing a two-way path calculation framework based on the updated hydrological topology network, and obtaining a hydrological path distance from the sewage draining exit to the monitoring point based on the two-way path calculation framework; acquiring a pollutant attenuation coefficient, and constructing a pollution intensity attenuation matrix based on the hydrological path distance and the pollutant attenuation coefficient; acquiring the real-time pollution concentration of the monitoring point, and determining a pollution intensity estimation vector of the sewage draining exit based on the real-time pollution concentration and the pollution intensity attenuation matrix; and extracting a target sewage draining exit corresponding to the maximum component in the sewage draining exit pollution intensity estimation vector, and determining the target sewage draining exit as a main pollution source. The method can improve the tracing efficiency of the river and lake sewage.

The invention discloses a self-cleaning filter and a screw compressor liquid spraying system thereof. The self-cleaning filter comprises a filter inlet, a filter outlet, a pair of filter cartridges and a filter cartridge switching mechanism. Each filter cartridge comprises an outer cartridge body, a filter element, a cleaning part and a hydraulic rotating part; the outer barrel is provided with a to-be-filtered liquid inlet and a filtered liquid outlet, the filter element and the hydraulic rotating component are respectively arranged in an inner cavity of the outer barrel, and the filter element is positioned at the downstream of the hydraulic rotating component. A flushing fluid inlet is formed in the position, corresponding to the hydraulic rotating part, of the outer cylinder body, and a sewage draining outlet communicated with the interior of the filter element is formed in the outer cylinder body. The hydraulic rotating part is impacted by flushing fluid flowing in from the flushing fluid inlet to rotate; and the cleaning part extends into the filter element and is connected with the hydraulic rotating part. The filter cartridge switching mechanism is used for enabling the filter inlet and the filter outlet to be selectively communicated with the to-be-filtered liquid inlet and the filtered liquid outlet of one filter cartridge. The filter element can be cleaned under the condition that the filter is not disassembled.

The invention discloses an intelligent toilet stool and a control method thereof. The intelligent toilet bowl comprises a toilet bowl body provided with a basin cavity and a drain outlet, and the drain outlet is located in the lower portion of the basin cavity; the blow-off pipe assembly is communicated with the blow-off port and comprises a zigzag rigid pipe, the rigid pipe comprises a first pipe section and a second pipe section which are connected in sequence, and the inlet end of the first pipe section is far away from the blow-off port and can ascend and descend relative to the blow-off port; the installation base body is provided with a sewage inlet and communicated with the sewage discharge pipe assembly, the sewage inlet is located below the sewage discharge port, and the outlet end of the second pipe section is rotatably connected with the sewage inlet in a sealed mode; the driving mechanism is in transmission connection with the second pipe section and is arranged to controllably drive the second pipe section to rotate relative to the sewage inlet, the first pipe section rotates based on the second pipe section and swings relative to the sewage inlet, and the water seal position of the rigid pipe is higher than the sewage discharge position of the rigid pipe in the vertical direction; when the rigid pipe swings to the sewage discharging position, the inlet end of the first pipe section is lower than the sewage discharging opening and higher than the sewage inlet, and therefore flushing noise is lower.

The invention relates to the technical field of environmental pollution detection, in particular to a method for intelligently judging a pollution source based on deep learning. The method comprises the following steps: collecting multi-source spatio-temporal data; performing space-time alignment on the multi-source space-time data, and identifying space-time propagation characteristics of a basin topological structure and pollutants; constructing a pollution characteristic spectrum based on a basin topological structure and space-time propagation characteristics of pollutants; inputting the pollution characteristic spectrum into a preset space-time diagram neural network, and determining probability distribution of pollution source types and geographic positions of pollution sources; and performing spatial overlay analysis and matching on probability distribution of pollution source types and geographic positions of pollution sources by utilizing an enterprise pollution discharge information database corresponding to the geographic information data of the pollution discharge ports so as to screen suspicious pollution discharge subjects. Therefore, the pollution source type and the accurate geographic position can be deduced without depending on manual inspection or experience judgment.

The invention provides a device and a method for purifying culture circulating water in a higher-place pond, and the method specifically comprises the following steps: the culture circulating water and residual feed and excrement in the higher-place pond flow out from a sewage draining exit at the center of the pond bottom, and gradually flow into a self-settling filter well through a water inlet at the bottom of the well; aquaculture circulating water is filtered by an immersion filtering device in the well and overflows out of the well, and residual feed and excrement settle to the bottom of the well and then are discharged through a shrimp shell excrement drain outlet; the breeding circulating water overflowing out of the well flows through a hypochlorous acid oxidation device to be disinfected; the culture circulating water treated by the hypochlorous acid oxidation device flows into an aeration dechlorination tank to remove harmful gas; the culture circulating water treated by the aeration dechlorination tank flows into the ecological tank, so that the contents of carbon, nitrogen, phosphorus and the like in the water are reduced; and the culture circulating water treated by the ecological pond is pumped into the higher-place pond through a reflux pump. The system is efficient, energy-saving, small in occupied area, high in automation degree and capable of improving the water quality management efficiency and stability of higher-place pond culture circulating water.

The utility model discloses a prefilter and water consuming system relates to filter technical field, wherein prefilter comprises valve head, filter flask and filter subassembly, the valve head and filter flask screw joint mutually, filter flask forms the water filter cavity, and the valve head forms the water inlet channel and the water outlet channel that are spaced mutually, the water inlet channel is communicated with the water filter cavity through the water inlet, and the water outlet channel is communicated with the water outlet cavity through the water outlet. The filtering assembly comprises a filtering module, a water passing cavity is formed in the filtering module, a first water passing opening is formed in the axial direction of the filtering module, and the water passing cavity is communicated with the water outlet through the first water passing opening; a second water passing opening communicated with the water passing cavity is formed in the circumferential direction of the filtering module, the filtering module comprises a filtering piece arranged at the second water passing opening, and at least part of the filtering piece is obliquely arranged. According to the technical scheme provided by the utility model, the filtering effect of the filtering assembly is ensured, and the service life of the pre-filter is prolonged.

The invention relates to the technical field of water environment inversion, in particular to a sewage draining exit detection method and system based on shape feature and water quality analysis coupling, and the method comprises the steps: obtaining a remote sensing image of a target region and sewage draining exit ledger data, determining a corresponding sewage draining exit point location in the remote sensing image, and generating a water body mask image; and calculating a water quality average value along pixels perpendicular to the river bank direction by inverting the normalized chlorophyll index and the suspended matter concentration index, generating a curve taking the river channel direction as a horizontal axis and the normalized chlorophyll index and the suspended matter index as longitudinal axes, and if any curve has a peak point exceeding a set threshold value, determining that the water quality is abnormal. If the position of the drain outlet is within the peak value range, the state of the drain outlet is judged to be'sewage discharge '. The high-resolution remote sensing image recognizes a suspected sewage draining exit on the river bank through the shape, then water quality inversion is used for judging whether sewage draining water quality plume features exist or not, the state of the sewage draining exit is judged, and transition from position recognition to state monitoring is achieved.

The invention relates to the technical field of filters, and provides a modified fiber oil removal filter, a shell is provided with a water inlet, a water outlet and a drain outlet, a support pore plate is arranged in the shell and is used for bearing a fiber filter material, a backwashing ring pipe is rotatably arranged above the support pore plate, a communication hole and a jet hole are formed in the backwashing ring pipe, and the jet hole is communicated with the support pore plate. The communicating holes are used for being communicated with a backwashing air supply pipe or a backwashing water supply pipe, the spraying holes are used for spraying water flow or air flow to the filter material, the backwashing air supply pipe and the backwashing water supply pipe are arranged in a manner of penetrating through the side wall of the shell, and when the backwashing ring pipe rotates, the communicating holes can be alternately communicated with the backwashing air supply pipe and the backwashing water supply pipe; therefore, the backwashing ring pipe rotates and sprays air flow or water flow from the spraying holes at the same time, and the backwashing coverage range is enlarged. By means of the technical scheme, the technical problems that in the prior art, the air-water backwashing coverage range is limited, and the backwashing effect is uneven are solved.

The utility model discloses a contact disinfection tank convenient to overhaul, which comprises a disinfection tank body, a plurality of cutoff walls are arranged in the disinfection tank body in parallel, one ends of the cutoff walls are sequentially and alternately fixed on two opposite side walls of the tank body, and a plurality of water channels which are sequentially communicated end to end to form baffling are formed in the disinfection tank body. A water inlet is formed in the flowing water channel at the head end, a water outlet is formed in the flowing water channel at the tail end, an outer pool body is further arranged on the outer side of the disinfection pool body, a drainage pipe is arranged on the outer pool body, a partition wall is arranged in the outer pool body and divides the outer pool body into a water collecting pool and a water inlet pool, and the water collecting pool is arranged close to one side of the water inlet; the water inlet is 10-20cm away from the bottom of the disinfection tank body; a first valve and a second valve are respectively arranged on the water inlet and the partition wall; a sewage draining exit is formed in the bottom of each flowing water channel, the sewage draining exits are located in the middle of the flowing water channels, and a sewage draining valve is arranged at each sewage draining exit.

An impeller driven by a motor rotates at a high speed to form a high gravity field, dust-containing airflow is sucked in, water in a water supply pipe is atomized to form a water curtain, primary purification of the dust-containing airflow is achieved, dust passes through a wheel disc of the impeller and a large-area water film on the inner wall of a machine shell, double inertial separation is conducted, and dust removal is achieved. The cyclone blades convert a linear path of dust-containing airflow into a spiral path, so that the time and the distance of combination of dust and fog drops are increased, triple purification is realized, and finally, in the diffusion dehydration section, sewage is thrown to the inner wall of the dehydrator under the action of spiral centrifugation and gravity to be separated from clean airflow, so that the effect of dust removal is achieved. When too many attachments are accumulated on the inner wall of the machine shell, the inner wall cleaning device is started, the driving motor drives the connecting wheel to rotate, the sliding rod slides on the guide block, the shell is promoted to move left and right, the cleaning plate is driven to remove the attachments on the inner wall, and finally the attachments are discharged through the sewage draining exit.

The utility model belongs to the technical field of cleaning equipment, and particularly relates to a dust collection station and a cleaning system. The dust collection station and the cleaning equipment are used in cooperation, the cleaning equipment is provided with a sewage draining exit and a charging assembly, the dust collection station comprises a base, a pile body and a power supply assembly, and the pile body is connected with the base and provided with a supporting face and a sewage collecting opening; the power supply assembly is connected with the pile; in the height direction of the pile body, the dirt collecting opening and the power supply assembly are arranged on the two sides of the supporting face correspondingly. The front side space of the pile body can be utilized as much as possible, the space occupied by the pile body is reduced, and good practicability is achieved.

The embodiment of the invention provides a sewage draining exit temperature abnormity monitoring method and system, and can solve the problems of narrow coverage range, poor real-time performance, high labor cost and low detection precision of traditional monitoring means such as manual inspection and fixed monitoring stations. The method comprises the following steps: acquiring a sewage draining exit area image through an infrared camera carried by an unmanned aerial vehicle, so as to obtain radiation brightness indicated by at least three long-wave infrared bands based on the sewage draining exit area image; respectively calculating corresponding real radiance based on the obtained radiance indicated by the at least three long-wave infrared bands; a temperature inversion model is constructed according to the obtained real radiation brightness of the at least three long-wave infrared bands so as to establish the statistical relation between the radiation ratio and the temperature, and the temperature inversion model is determined according to the inter-band radiation ratio of the at least three long-wave infrared bands.

The invention relates to the technical field of knowledge graph construction and water quality analysis, in particular to a water quality anomaly attribution identification method based on a water quantity and water quality coupling knowledge graph. The method comprises the following steps of: accessing hydrological data and water quality data of a drainage basin monitoring section, engineering scheduling data of an associated gate dam and drainage basin pollution source multi-source data to form a standardized water quantity and water quality associated data set; taking a monitoring section, a gate dam and a drain outlet as core entities based on a water quantity and water quality associated data set; spatial correlation is established according to a river network topological structure, time response correlation is bound based on time sequence monitoring data, and a dynamic coupling mechanism of water volume change and water quality evolution and a dynamic coupling mechanism of sewage draining exit discharge and water quality response are embedded, so that a water volume and water quality coupling knowledge graph is constructed. According to the method, the water quantity and water quality coupling knowledge graph is constructed, multi-source data are fused, intelligent and accurate attribution of water quality abnormity is realized, and the decision scientificity of intelligent water conservancy is improved.