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

The invention provides 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 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 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 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.

The invention belongs to the technical field of bathroom accessories, and discloses a toilet stool which is provided with a flushing tank, a water inlet and a drain outlet, the drain outlet is formed in the tank bottom of the flushing tank, the flushing tank is in a long strip shape, the two ends of the flushing tank in the length direction are the near-dirt end and the far-dirt end respectively, and the distance between the near-dirt end and the drain outlet is smaller than the distance between the far-dirt end and the drain outlet. A drainage opening and a water spraying hole which are communicated with the water inlet are formed in the dirt-far end, the drainage opening extends in the width direction of the flushing groove and is in a long strip shape, the area, located at the dirt-far end, between the groove opening of the flushing groove and the drainage opening is a high-position area, and the water spraying hole is configured to be a flushing high-position area. According to the washing tank, the drain opening is arranged to be in the long strip shape extending in the width direction of the washing tank, larger thrust can be generated, the water spraying holes are formed in the upper side of the drain opening, the wall face of the upper side of the drain opening is washed through the water spraying holes, the washing effect of the washing tank is guaranteed, the drain opening can be closer to the bottom of the washing tank, and the washing effect is improved. Therefore, sputtering is avoided.

The utility model discloses a kind of activated carbon adsorption devices for sewage treatment, comprising: air stripping pump, carbon washer, water delivery pipe and water distributor. Air stripping pump includes air inlet pipe, air distribution pipe and lift pipe, the air distribution pipe is sleeved on the outside of the lift pipe, the air inlet pipe is connected with the air distribution pipe;Carbon washer includes backwash chamber and hole cover, the upper end of the lift pipe is located in the backwash chamber, the upper portion of the backwash chamber is equipped with carbon lifting port and exhaust port, lower portion is equipped with carbon discharge port and blowdown port, the hole cover is matched with the carbon lifting port;Water delivery pipe is sleeved on the outside of the air distribution pipe, water inlet pipe is connected on its outside;Water distributor is connected with the lower end of the water delivery pipe.One set of device completes activated carbon backwash and two kinds of operation of lifting, realizes activated carbon adsorption filter reuse function.

The utility model relates to the technical field of sewage pumps, and discloses a sewage pump with an automatic rotating cleaning brush at a sewage draining exit, which comprises a pump body, the output end of the pump body is fixedly connected with a water draining pipe, the upper side of the pump body is fixedly connected with a pump machine, the output end of the pump machine is fixedly connected with a connecting shaft, the outer part of the connecting shaft is fixedly connected with an impeller, and the impeller is fixedly connected with the water draining pipe. A water inlet pipe is fixedly connected to the input end of the pump body, a sealing frame is fixedly connected to the interior of the water inlet pipe, a containing groove is formed in the water inlet pipe, a fixing frame is slidably connected to the interior of the containing groove, a filter screen is fixedly connected to the interior of the fixing frame, and a pull rod is fixedly connected to the right side of the filter screen. According to the sewage treatment device, the filter screen can be conveniently disassembled and cleaned, the filtering effect of the sewage treatment device is improved, impurities in sewage can be crushed, and the sewage pump is prevented from being damaged by the impurities.

The invention belongs to the technical field of water environment detection, and particularly relates to a heavy metal concentration and water body flow velocity synchronous detection method for a dispersed drain outlet, which is used for synchronously detecting the heavy metal cadmium concentration and the water body flow velocity. The core of the method comprises a three-electrode sensing system consisting of a working electrode coated with a tungsten oxide film, a reference electrode and a counter electrode, and is assisted by an electrochemical workstation, a peristaltic pump, a flow cell and a signal processing module. The cadmium concentration is accurately measured through the square wave anodic stripping voltammetry, the flow velocity is synchronously detected through the open circuit potentiometry, dual-function detection is achieved through integration of the square wave anodic stripping voltammetry and the open circuit potentiometry, synchronous in-situ detection of the cadmium concentration and the water body flow velocity is achieved, and errors caused by measurement position differences are effectively eliminated. The result shows that the cadmium concentration and the dissolution peak current are in a linear relationship, and the water flow velocity logarithm and the open-circuit potential are in a linear relationship. The method designed by the invention is suitable for scattered and small sewage draining exit scenes, and effectively solves the problems of time consumption and equipment redundancy of traditional step-by-step detection. In an actual water sample test, the cadmium recovery rate is 80%-120%, the flow velocity measurement RSD is smaller than or equal to 5.0%, high reproducibility, stability and anti-interference performance are achieved, technical support is provided for real-time online evaluation of the total heavy metal emission amount, and the method has remarkable environmental monitoring application potential.

The utility model provides a wastewater treatment device and relates to the technical field of wastewater treatment. The device comprises a treatment unit, the treatment unit comprises a main shell, a first partition plate, a second partition plate and a third partition plate are arranged in the main shell, and the first partition plate, the second partition plate and the third partition plate sequentially divide the inner space of the main shell into a dosing area, a reaction area, a filtering area and a clarification area. A first overflowing opening is formed in the first partition plate, and water in the dosing area can overflow into the reaction area through the first overflowing opening. And a second overflowing opening is formed in the second partition plate. A third overflowing opening is formed in the third partition plate, and water in the filtering area can overflow into the clarifying area through the third overflowing opening. A water inlet and a water outlet are formed in the main shell, the water inlet is communicated with the dosing area, and the water outlet is communicated with the clarifying area. A filtering assembly is arranged above the second overflowing opening in the filtering area, and a main sewage draining opening is formed in the bottom of the filtering area. The device is easy to implement, and the treatment effect can be effectively improved.

This utility model relates to the field of solid-liquid separation technology, specifically an integrated solid-liquid separation device for kaolinite suspension, comprising a vertical flow sedimentation tank, a central feed pipe, a flow guiding component, and a drive component. The vertical flow sedimentation tank has a drain outlet at the bottom and an overflow weir at the top. A water collection tank is located outside the overflow weir, and water outlets are located on both sides of the water collection tank. The central feed pipe is located at the upper center of the vertical flow sedimentation tank and is connected to a water inlet pipe on one side. The flow guiding component includes a mounting base fixed inside the vertical flow sedimentation tank, and a flow guiding plate is fixed to the outer wall of the mounting base. The flow guiding plate is set at an inclined angle and has serrated protrusions on its surface. Multiple sets of ultrasonic oscillators are evenly spaced on the inner wall of the vertical flow sedimentation tank, which can realize the flow guiding control of the suspension, facilitate the extension of the material's residence time in the tank, increase the probability of particle sedimentation, and at the same time, promote particle collision and accelerate the agglomeration of kaolinite particles.

The utility model discloses a square slide frame sludge bunker belongs to sludge bunker technical field, including the warehouse body, the side edge lower extreme of warehouse body is installed with the discharge port, and the other side of warehouse body is provided with the two -way hydraulic lock, and the side edge of two -way hydraulic lock is connected with the cleaning assembly, and the both ends of two -way hydraulic lock are connected with the closing plate, and the upper end of closing plate is provided with the partition component, and the inside of warehouse body is provided with the discharge component, the utility model sets up the cleaning assembly, and the slide moves on the electric slide rail, and the cleaning brush moves to the top of warehouse body and stops, and the first one -way hydraulic lock elongation makes the cleaning brush enter the warehouse body, and the slide moves and drives the cleaning brush to move, and the cleaning brush cleans the inner wall of warehouse body, and after cleaning, the slide drives the cleaning brush to move to the top of cleaning water tank, and the first one -way hydraulic lock telescopic drives the cleaning brush to move up and down in the cleaning water tank, and the cleaning liquid in the cleaning water tank cleans the cleaning brush, and the cleaning brush is convenient for the inner wall cleaning operation of warehouse body, and the sewage in the cleaning water tank is discharged from the sewage outlet.

The utility model relates to the technical field of cooling towers, and discloses an efficient heat dissipation cooling tower which comprises a cooling tower body, an air inlet is formed in the top of the cooling tower body, a drain outlet is formed in the bottom of the cooling tower body, a valve is arranged on the drain outlet, and an air inlet fan is fixedly installed on the inner wall of the air inlet in the top of the cooling tower body. An anti-blocking assembly is arranged in the cooling tower and comprises a rotating rod, a spraying pipe is fixedly connected to the bottom end of the rotating rod, a liquid inlet pipe is fixedly connected to the surface of the spraying pipe, the end of the liquid inlet pipe communicates with the surface of the spraying pipe, and a water outlet is formed in the bottom of the spraying pipe. According to the anti-blocking cooling tower, the anti-blocking assembly is arranged, the air inlet fan drives the spray pipe to rotate, the ball is matched with the inclined block, the movable block slides on the inner wall of the water outlet, the nozzle is periodically opened and closed, water scale and impurity blocking is effectively prevented, it is guaranteed that cooling water flows smoothly, the operation stability and cooling efficiency of the cooling tower are improved, and the maintenance cost is reduced.

The invention relates to a safe automatic flushing system for a gas drainer and a control method.The safe automatic flushing system for the gas drainer comprises a gas drainer body, an inlet pipeline and a flushing pipeline are arranged at the upper end of the gas drainer body, an inlet isolation unit is fixedly arranged on the inlet pipeline, and an outlet isolation unit is fixedly arranged on the flushing pipeline; the gas drainer comprises a gas drainer body, a flushing pipeline is fixedly arranged on the gas drainer body, a flushing execution unit is fixedly arranged on the flushing pipeline, a plurality of sewage draining outlets are fixedly formed in the lower end of the gas drainer body, a sewage draining mechanism is arranged at each sewage draining outlet, a spraying assembly is fixedly installed in the gas drainer body, the spraying assembly is communicated with the flushing pipeline, and the gas drainer further comprises a control module. The control module is electrically connected with the inlet isolation unit, the flushing execution unit and the sewage discharging mechanism at the same time. The system has the advantages of being few in fault point, stable in operation, high in intelligent degree and the like.

The present application relates to a cleaning device and a sewage tank, the cleaning device comprising a machine body, the sewage tank and a rotary cutting assembly; the sewage tank is installed on the machine body; the rotary cutting assembly is arranged in the interior of the sewage tank and comprises a first cutting blade and a stirring blade; the first cutting blade is rotatably installed in the sewage tank; the stirring blade is arranged adjacent to the first cutting blade; the stirring blade is of an axial flow type blade profile; and the first cutting blade is of a centrifugal type blade profile; the stirring blade guides the dirt to the rotating path of the first cutting blade when rotating. The cleaning device of the present application is provided with the rotary cutting assembly in the sewage tank; the stirring blade can actively stir the dirt in the sewage tank; the dirt is guided to the rotating path of the first cutting blade; the rotating first cutting blade cuts and breaks the dirt; the dirt is conveniently discharged; the discharge outlet is prevented from being blocked; the maintenance work is reduced; and the user's experience is improved.

The utility model provides a backwashing drainage structure of a filter, and relates to the technical field of filters. Comprising a filter body, a blow-off pipe, a flow dividing pipe and a mounting cylinder, a supporting frame is arranged on the inner wall of the blow-off pipe, a bearing is arranged at the top end of the supporting frame, fan blades are arranged in the bearing in a penetrating mode, a mounting frame is arranged on the outer side of the mounting cylinder, a brush is arranged on the outer side of the mounting frame, and the brush makes contact with the inner wall of the blow-off pipe. According to the utility model, the fan blades, the brush and other components are arranged, so that water flow discharged by flushing water can push the fan blades in the blow-off pipe to rotate during backwashing drainage of the filter body, and the rotation of the fan blades can drive the brush to rotate in the blow-off pipe; the brush can be used for rotatably cleaning the inner wall of the blow-off pipe during the backwashing drainage period of the filter body, so that the residual quantity of impurities on the inner side of the blow-off pipe is reduced, and the influence on the blow-off efficiency of the filter body due to blockage or narrowing of the blow-off opening is reduced.

This utility model discloses a solid-liquid separation diatomaceous earth filtration system, relating to the field of filtration technology. It includes: a coating tank for storing a liquid mixed with diatomaceous earth, a coating circulation pipeline, and a raw liquid tank, a delivery pump, a filter cartridge, and a purified liquid tank connected in sequence. The filter cartridge is vertically arranged inside the cartridge. A drain port and a liquid inlet pipeline are provided at the bottom of the cartridge, and an outlet pipeline and a cleaning pipeline, both connected to the filter cartridge, are provided at the top. A drain valve is provided at the drain port. The top of the inner cavity of the cartridge is connected to a first air supply pipeline, and the bottom of the inner cavity is connected to a pressure return pipeline. The bottom of the coating tank is connected to the liquid inlet channel of the cartridge via a circulation pump. One end of the coating circulation pipeline is located inside the coating tank, and the other end is connected to the filter cartridge. In this utility model, the filter cartridge is coated with soil using the coating tank. Gas supplied through the first air supply pipeline forces the raw liquid inside the cartridge into the pressure return pipeline, saving raw liquid resources and improving the regeneration effect of the filter cartridge.

The integrated kitchen washing table comprises a table top and a cabinet body below the table top, a first opening is formed in the table top, a water tank is installed at the first opening, a second opening is formed in the table top, a garbage throwing guide groove is installed at the second opening, and the garbage throwing guide groove sinks into the cabinet body; the lower part of the garbage throwing guide groove is connected with a drain pipe of the water tank; a kitchen garbage crusher is arranged below the garbage throwing guide groove and comprises a crushing cavity, a crushing cutter set and a motor assembly, the crushing cutter set is located in the crushing cavity, the upper end of the crushing cavity is open and communicated with the lower end of the garbage throwing guide groove, and a sewage draining opening is formed in the side wall of the crushing cavity and connected with a sewage draining pipeline assembly. And the motor assembly is fixedly arranged on a bottom plate of the cabinet body or the ground of a kitchen. The kitchen garbage treatment device can efficiently treat kitchen garbage, and is safe, reliable, convenient to operate and low in noise.

The utility model discloses water purification equipment capable of automatically washing forwards and backwards, and belongs to the technical field of water purification equipment. Comprising a water storage tank, a water purifier and a water pump, a water inlet of the water purifier is connected with a water inlet pipe and communicated with the water pump, a water outlet is connected with a water conveying pipe and the water storage tank, and a drain outlet is connected with a drain pipe and communicated with the outside; the water inlet pipe is provided with a first pressure gauge used for detecting the water pressure in the water inlet pipe, the water inlet pipe is further provided with a one-way liquid valve only allowing water liquid to enter the water purifier, the blow-off pipe is provided with a first electromagnetic valve, and the first pressure gauge is electrically connected with the first electromagnetic valve and the water pump; according to the water purifier, dirt in the water purifier can be automatically flushed forwards and backwards, the filter element does not need to be frequently replaced, and the service life is long.

This product is a discharge path component used by being attached below the rotary table that rotates the excavator. When combined with the rotary table, this product forms a discharge path, which temporarily stores sludge, soil, gravel, and other waste generated from the excavation hole during the excavation work to prevent leakage to the outside. After that, the sludge and other waste are discharged from an outlet located below.

The utility model relates to the technical field of waste water recovery of car washers, and discloses a waste water recovery, filtration and circulation device for a car washer, which comprises a car washing platform and a treatment box, a draining plate is arranged in the middle of the top end of the car washing platform, water outlets are arranged on two sides of the top end of the car washing platform, and guide plates are fixedly connected on two sides of an inner cavity of the car washing platform. A filter plate is fixedly connected to the middle of an inner cavity of the treatment box, a drain outlet is formed in one end of the treatment box, a cleaning assembly used for cleaning impurities is arranged on the filter plate and comprises a scraper located at the top end of the filter plate, an ejector rod is fixedly connected to the middle of the scraper, a blocking block is arranged in an inner cavity of the drain outlet, and a sliding block is fixedly connected to the middle of the top end of the blocking block. Impurities such as silt in sewage are pretreated through the filter plate, frequent replacement of a filter structure in the purification equipment is reduced, and the impurities such as silt remaining at the top end of the filter plate are scraped away through the cleaning assembly.

The invention relates to the technical field of fracturing pumps, and discloses a lubricating grease collecting device and a fracturing pump. The lubricating grease collecting device comprises an oil collecting groove, a scraper assembly and a driving part. The oil collecting groove extends in the first direction, and a drain outlet is formed in the bottom of the oil collecting groove. The scraper assembly is arranged in the oil collecting groove and comprises a first scraper, a second scraper and a first connecting rod, the first scraper and the second scraper are arranged at intervals in the first direction and are in sliding fit with the oil collecting groove, the first scraper and the second scraper are matched with the oil collecting groove in shape, one end of the first connecting rod is connected with the first scraper, and the other end of the first connecting rod is connected with the second scraper. The other end of the first connecting rod is connected with the second scraping plate; the driving piece is connected with at least one of the first scraper and the second scraper so as to drive the scraper assembly to slide relative to the oil collecting groove in the first direction. The driving part drives the scraper assembly to reciprocate in the oil collecting tank, so that waste oil is pushed and scraped to the sewage draining exit, manual scraping is not needed, and the cleaning efficiency of the oil collecting tank is improved.

The utility model discloses a closestool body and closestool, wherein the closestool body comprises a basin body, the basin body has a basin opening at the upper part and a sewage outlet at the lower part, the pot surface of the basin body connecting the basin opening and the sewage outlet is a non-porous surface; the basin body is arranged to receive the brush circle spray head outside the basin body to flush and clean the pot surface. The inner wall structure of the closestool is simple, dirt is difficult to accumulate, cleaning is simple, the manufacturing process difficulty is reduced, and the production cost is reduced.

The application relates to a cold storage tank water distributor structure and a cold storage tank system. The cold storage tank water distributor structure comprises an overflow pipe, a blow-off port, an upper water distributor with lateral water outlet, a cold storage tank hot end main pipe, a lower water distributor with lateral water outlet and a cold storage tank cold end main pipe. The overflow pipe and the blow-off port are respectively arranged in communication with the cold storage tank. The upper water distributor is arranged in the cold storage tank in a floating mode and located at the upper part of the cold storage tank. The lower water distributor is arranged in the cold storage tank in a fixed mode and located at the lower part of the cold storage tank. One end of the cold storage tank hot end main pipe is arranged in communication with the upper water distributor. One end of the cold storage tank cold end main pipe is arranged in communication with the lower water distributor. The upper water distributor is arranged in a floating mode, can float with the change of the liquid level, absorbs the displacement caused by the liquid level difference or temperature expansion, ensures the stable operation of the system, the upper water distributor and the lower water distributor respectively have lateral water outlet, significantly reduces the liquid surface disturbance, maintains the cold and hot stratification of the tank body, and has the advantages of hydraulic stability, uniform water distribution, energy saving and high efficiency.