2259 results about "Sewage outfall" patented technology

The invention relates to the technical field of water pollution traceability, and particularly discloses a river pollutant traceability system and method based on digital twinning, and the system comprises a water body sampling module which is used for obtaining the current water quality data of a preset region of a target river; the model construction module is used for constructing a digital twinborn model according to the river topographic data and the current water quality data and by fusing the historical hydrological data, the real-time meteorological data and the drain outlet distribution topological graph; the data analysis module is used for performing spatial-temporal feature extraction on a pollutant diffusion path in the digital twinborn model by utilizing a graph convolutional neural network, applying dynamic correction pollution source position probability distribution in combination with Bayesian inference, and generating a traceability path thermodynamic diagram; and the pollution traceability module is used for obtaining a pollutant traceability result according to the confidence coefficient threshold of the traceability path thermodynamic diagram. According to the method, the efficiency and the accuracy of tracing the river pollutants in the complex dynamic environment can be remarkably improved, and technical support is provided for ecological safety and precise treatment of a drainage basin.

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 utility model discloses a reverse osmosis membrane testing device which comprises a testing table, a placing groove, a valve, a water storage tank, a water suction pump and a water conveying pipe hydraulic oil cylinder, the placing groove is formed in the testing table, a first elastic piece is arranged in the placing groove, a sewage draining opening is formed in the bottom of the placing groove, a water purifying pipe is arranged in the sewage draining opening, and a water outlet is formed in the water purifying pipe. A sealing gasket is arranged at the top of the water purification pipe, a water purification bin is connected to the bottom of the sealing gasket, a sewage bin is arranged at the bottom of the sewage outlet, and a partition plate is arranged in the sewage bin and the water purification bin. A clamping and fixing joint composed of a placing groove, an extrusion cover, a fixing table and a hydraulic oil cylinder is arranged on the test table, so that a reverse osmosis membrane placed in the placing groove can be quickly clamped and fixed through the extrusion cover by virtue of the movement of the hydraulic oil cylinder, and the extrusion cover is connected to the fixing table through a threaded rod, so that different heights at different positions are avoided; fine adjustment can be carried out through rotation of the threaded rod, and a first spring piece is arranged in the containing groove.

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 provides a self-cleaning method of a sewage tank, the sewage tank, cleaning equipment and a cleaning base station, and the self-cleaning method comprises the following self-cleaning processes: controlling a sewage outlet to be opened so as to drain sewage in a sewage cavity, and controlling the sewage outlet to be closed; the self-cleaning mechanism is controlled to be started, and first spraying is conducted on the cavity wall of the sewage cavity; when a first specified condition is met, the self-cleaning mechanism is controlled to stop first spraying, and the drain outlet is controlled to be opened; wherein the first specified condition indicates at least one of the sewage cavity capacity or the clear water spraying amount; in response to emptying of the sewage cavity, the self-cleaning mechanism is controlled to start to conduct second spraying on the cavity wall of the sewage cavity until a second specified condition is met, and the self-cleaning mechanism is controlled to stop second spraying; wherein the second specified condition indicates the clear water spraying amount, and in the second spraying process, the drain outlet is kept open. The technical problem that an existing sewage tank is poor in self-cleaning effect can be solved.

The utility model relates to the technical field of household appliances, and provides a water heater which comprises a machine body, a water inlet pipe assembly, a water outlet pipe assembly and a filtering assembly, the machine body is provided with an inner container assembly, the inner container assembly is provided with a water storage cavity, and the inner container assembly is further provided with a water inlet, a water outlet and a sewage outlet which are communicated with the water storage cavity; the water inlet pipe assembly penetrates through the water inlet; the water outlet pipe assembly penetrates through the water outlet; the filtering assembly penetrates through the sewage draining exit, and a water outlet of the filtering assembly and a water outlet of the water outlet pipe assembly are connected to the same water outlet. Hot water in the water heater can be discharged through the water outlet pipe assembly and can also be discharged through the filtering assembly, the water outlet pipe assembly and the filtering assembly are both connected with the same water outlet, when the water heater discharges sewage, it is not needed to wait for the temperature of the hot water to be reduced, filtered water can be reused, and the utilization rate of the hot water is effectively increased.

The invention discloses an intelligent diversion treatment device for a discharge port, and relates to the technical field of rainwater and sewage diversion. The intelligent diversion treatment device comprises a diversion barrel, the interior of the diversion barrel is divided into a fan-shaped isolation area through two baffles, a water inlet of the diversion barrel is located in the fan-shaped isolation area, water falling ports are formed in the two baffles, and rotating plates are connected to the portions, on the outer side of the fan-shaped isolation area, of the diversion barrel. Cleaning grooves are formed in the bottoms, close to the positions of the two baffles, in the fan-shaped isolation area, sewage draining outlets are formed in the bottoms of the cleaning grooves, rotating drums are rotationally connected into the cleaning grooves, and first packing augers driven by second motors are rotationally arranged in the rotating drums; the rotating shaft drives the rotating plate to rotate and simultaneously drives the rotating drum to rotate, so that the fan-shaped isolation area and the drain outlet are communicated or staggered by the drain channel. Rainwater and sewage can be distributed, and sludge and solid garbage can be automatically removed.

The desulfurization tower comprises a tower body, a smoke inlet and a drain outlet are formed in the side portion of the tower body, a smoke outlet is formed in the top of the tower body, and a liquid storage tank, at least one heat exchange layer and at least one absorption layer are sequentially arranged in the tower body from bottom to top at intervals; the cooling supply unit is arranged outside the tower body, is communicated with the liquid storage tank and is used for controlling the temperature of the desulfurization liquid in the liquid storage tank; the heat exchange layer is positioned above the smoke inlet and is used for absorbing heat in the waste gas and cooling the waste gas; the cooling supply unit is used for cooling the desulfurization liquid and then supplying the desulfurization liquid into the tower body for cooling and reacting the waste gas, so that the cooling effect on the tower body is prevented from being influenced by over-high temperature of the desulfurization liquid; waste gas entering the tower body exchanges heat with the desulfurization liquid through the heat exchange layer and can react with the desulfurization liquid preliminarily, the temperature of the waste gas is controlled so that the waste gas can react with the desulfurization liquid fully again in the absorption layer, the desulfurization efficiency is improved, the temperature of the tower body and the temperature during discharging are reduced, and the phenomenon of white smoke caused by too large temperature difference at the smoke outlet is avoided.

The invention discloses a sewage draining exit off-site law enforcement method and system based on a digital twin technology, and relates to the technical field of sewage draining exit off-site law enforcement. According to the sewage draining exit off-site law enforcement method based on the digital twinborn technology, three-dimensional point cloud data of a set sewage draining exit are obtained and input into a pre-trained structure identification model for comprehensive analysis, an attribute set of each component is obtained, a digital twinborn model is constructed, sewage draining monitoring time sequence data are continuously obtained, and the sewage draining exit off-site law enforcement method based on the digital twinborn technology is obtained. Inputting the data into a digital twin model for feature analysis to obtain a discharge behavior risk index and a discharge visual risk index of each time period, and performing comprehensive analysis to obtain a discharge abnormality evaluation index of each time period of a set drain outlet; according to the method, the preset off-site law enforcement measures are taken for the set sewage draining exit according to the discharge abnormity evaluation index of each time period, so that pre-recognition, automatic reaction and accurate response of sudden sewage draining are realized, and the instantaneity and the intelligent level of off-site supervision are improved.

The utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

The utility model discloses a multi-cone separation pre-filter which comprises a filter bottle, the upper end of the filter bottle is connected with a valve head, one side of the valve head is provided with a water inlet, the other side of the valve head is provided with a water outlet, the lower end of the filter bottle is provided with a drain outlet, a ball valve is installed in the drain outlet, and a water segregator, a framework, a filter screen and a separation mechanism are installed in the filter bottle. The separation mechanism comprises an inner pipe part and an outer pipe part, an inner water cavity is formed between the inner pipe part and the outer pipe part, a plurality of conical funnels are arranged between the inner pipe part and the outer pipe part, and conical separation cavities are formed in the conical funnels. According to the multi-cone separation pre-filter disclosed by the utility model, the filter screen is combined with the multi-cone separator, double filter systems are perfectly fused, the filter effect is good, the flux is increased, the pollution discharge is clean and thorough, and the multi-cone separation pre-filter can adapt to different environmental water qualities.

The invention discloses an intelligent pet toilet in the technical field of pet supplies, and the intelligent pet toilet comprises a support which is provided with a bin body and a driving assembly used for driving the bin body to rotate on the support; a drain outlet is formed in the side wall of the bin body, and a discharge outlet is formed in the bottom of the support; a photoelectric sensor and a controller are arranged on the support, the photoelectric sensor comprises a transmitting end and a detecting end which are located on the two sides of the bin body respectively, and a plurality of open holes are formed in the side wall of the bin body; light beams emitted by the emitting end of the photoelectric sensor can irradiate the detection end through the multiple open holes formed in the upper portion of the side wall of the bin body, the controller can accurately judge the movement position of the bin body through the open holes formed in different positions, the control accuracy of the bin body is improved, the situation that the bin body offside or is not in place is avoided, and the working efficiency is improved. Normal discharge of excrement is ensured, and normal operation of the pet toilet is ensured.

The invention relates to the technical field of wastewater treatment, in particular to water treatment plant reverse osmosis wastewater treatment equipment and method.The water treatment plant reverse osmosis wastewater treatment equipment comprises a precipitation barrel used for wastewater precipitation, a drainage opening is formed in the annular barrel wall of the precipitation barrel, and a sewage outlet used for discharging precipitates is formed in the bottom wall of the precipitation barrel; the filter pressing unit is arranged in the precipitation barrel, is used for separating the wastewater from the precipitation, and comprises a filter pressing part which can move up and down and is arranged in the precipitation barrel. The filter pressing unit adopted by the invention can filter precipitates generated after wastewater treatment, the precipitates do not need to stand, the wastewater treatment efficiency is effectively improved, the treated wastewater can be discharged in real time in the filtering process, and the step of discharging the wastewater through a water pump is reduced.

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 invention provides an automatic cleaning mechanism for siltation of a road sewage draining exit, and belongs to the technical field of sewage draining exit siltation cleaning. Comprising a silt removal box body, a supporting frame is installed on the top of the silt removal box body, an alloy steel grid cover is hinged to the end of the supporting frame, a cover plate is installed at the front end of the silt removal box body, and a three-dimensional grid frame is installed at the bottom of the silt removal box body. By arranging the silt removal screen assembly and the drainage desilting assembly, it is effectively avoided that impurities such as leaves and branches are flatly laid and accumulated, sewage flowing is affected, the impurities are forced to pass through a screen in a three-dimensional form, water passing gap shielding is reduced, the instantaneous drainage capacity is improved, silting is prevented, silt and dirt in a sewage draining exit are actively stripped, and the limitation that traditionally, washing depends on rainfall is broken through; continuous dredging is achieved through mechanical force, the rainstorm working condition is automatically recognized, the drainage structure is dynamically adjusted, a double-anti-blocking mechanism enables a screen to normally intercept sundries and clean deposits in the conventional rainfall process, and the assembly is lifted to directly discharge flow in the extreme rainstorm process.

The utility model discloses a tower type waste gas treatment device which comprises a tower body, a spraying layer and a gas treatment area, the tower body is provided with a gas inlet, a gas outlet and a drain outlet; the spraying layer is located at the lower section in the tower body and comprises a spraying channel and a spraying pipe, and the spraying pipe is provided with a plurality of spraying heads and can spray spraying liquid into the spraying channel; the gas treatment area is located at the upper section of the tower body and provided with a drying layer and an adsorption layer, the drying layer is connected to an upper channel opening of the spraying channel and can dry the waste gas, and the adsorption layer is arranged above the drying layer and can adsorb the dried waste gas. According to the utility model, the spiral spraying channel is arranged, waste gas spirally ascends in the spraying channel and is sprayed, the reacted spraying liquid downwards flows into the sewage outlet, and the sprayed waste gas upwards enters the gas treatment area for drying and adsorption treatment, so that the drainage and discharge of the sprayed waste liquid are realized; and the interference of the reacted waste liquid on the lower end spraying is avoided.

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

The invention 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 a river sewage draining exit pollution source tracing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring current water quality parameters, current flow velocity data and unmanned aerial vehicle images of a plurality of river sewage draining exits of a target drainage basin; identifying the time sequence change of the current water quality parameter through a long short-term memory network to obtain a predicted water quality parameter at a future moment, and judging whether a pollution source exists in the target drainage basin or not according to the predicted water quality parameter; when a pollution source exists in the target drainage basin, inputting the current water quality parameter, the current flow velocity data and the unmanned aerial vehicle image into a lightweight pollution source identification model deployed by edge nodes to obtain pollution source probability distribution of the target drainage basin; and determining a target river drain outlet where the pollution source is located according to the pollution source probability distribution. The method improves the accuracy of pollution source identification, and can be widely applied to the technical field of artificial intelligence.

The invention relates to the technical field of cleaning products, in particular to a cleaning base station and cleaning equipment. The cleaning base station comprises a base, a filter box, a flushing assembly, a drying assembly and a dust collecting assembly. The base is provided with a first containing space, the filter box comprises a box body, a filter piece and a first sewage draining portion, the box body is arranged on the base and provided with a second containing space, the second containing space is communicated with the first containing space through a collecting opening, and the first sewage draining portion is communicated with the second containing space through a first sewage draining opening. The flushing assembly is used for supplying fluid so as to flush the garbage in the collecting area into the second containing space. After the cleaning base station completes cleaning of the cleaning part of the cleaning robot, the cleaning base station can replace the manual cleaning process of a user, self-cleaning of the base is achieved, the base of the cleaning base station can be kept clean after being used for a long time, peculiar smell and bacterium breeding are avoided, and the use experience of the user is improved.

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 an impurity removal device and equipment, a cleaning method and a battery production system, and belongs to the technical field of batteries. The impurity removing device comprises a cylinder body, an adsorption piece and a scraper blade. The cylinder body is provided with a containing cavity extending in the first direction, a first feeding port, a first discharging port and a first sewage draining port, the first feeding port, the first discharging port and the first sewage draining port are communicated with the containing cavity, the adsorption part and the scraping plate are located in the containing cavity, the adsorption part extends in the first direction, the adsorption part penetrates through the scraping plate, and the adsorption part is constructed to be used for adsorbing impurities in materials contained in the containing cavity; the scraping plate is configured to move along the adsorption part so as to scrape impurities adsorbed on the adsorption part. Wherein the first feed port and the first drain outlet are located outside the moving stroke of the scraper blade along the adsorption part, and the first discharge port is located inside the moving stroke of the scraper blade along the adsorption part. In the cleaning process, the cylinder body does not need to be opened, materials cannot make contact with workers, and the safety of the workers is protected.

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 softening valve comprises a valve body, a movable valve plate and a fixed valve plate, the valve body is provided with a water inlet, a water outlet, a drain outlet, a jet device water inlet, a salt suction opening, an upper water distribution connector and a lower water distribution connector, and the water inlet, the water outlet, the drain outlet, the jet device water inlet, the salt suction opening, the upper water distribution connector and the lower water distribution connector are connected with a softening tank connector respectively; the movable valve plate is provided with a water inlet channel, a conduction channel and a sewage discharge channel which are respectively communicated with the water inlet and the sewage discharge port of the valve body; a plurality of through holes are formed in the fixed valve plate, part of the through holes communicate with one another and communicate with the lower water distribution connector, the upper water distribution connector, the water outlet, the salt suction opening and the water inlet of the jet device, according to the multi-tank series connection softening valve, the fourth through hole, the fifth through hole and the sixth through hole communicate with the upper water distribution connector, and therefore the effect that follow-up multi-tank series connection is facilitated is achieved.

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 invention belongs to the technical field of sewage treatment devices, and particularly relates to a sewage lifter which comprises a sewage container with an upper opening and an integrated upper cover, the integrated upper cover covers the upper opening of the sewage container, and a closestool sewage inlet is formed in one side of the upper end of the sewage container. At least one side of the lower end part of the sewage container is provided with a domestic wastewater inlet, the integrated upper cover comprises an upper container, an upper cover, a crushing and sewage discharging device, a circuit board and a liquid level sensing device, the upper container is arranged at an upper opening of the sewage container, the upper cover is covered in the upper container, the crushing and sewage discharging device is arranged in the upper container, and the circuit board is arranged in the upper container. The upper container is connected with the upper cover, the working end of the circuit board extends into the sewage container, the circuit board is located on the upper container and the upper cover and connected with the smashing and sewage discharging device and the liquid level sensing device, the smashing and sewage discharging device is connected with a sewage discharging pipe, and the upper cover is provided with a sewage discharging opening connected with the sewage discharging pipe. And the sewage lifter is not easy to block.

The invention relates to the technical field, in particular to river drain outlet combined type water quality purification equipment which comprises a purification pond with one end provided with a supporting plate, a filter screen is installed at the upper end of the interior of the purification pond through a winding assembly, a mounting hole is formed in one end of the purification pond, and a cleaning assembly used for cleaning the filter screen is installed in the mounting hole. An aeration stirring rod and a first stirring rod which are distributed left and right are rotationally mounted in the purification tank, an aeration assembly is mounted at the upper end of one side of the purification tank, a material conveying assembly is mounted at the lower end of one side of the purification tank, and one side of the purification tank is connected with a sedimentation tank through a pipeline. Impurities in meshes of the filter screen are flushed into the collecting box to be collected, the filter screen does not need to be detached, the device is convenient and rapid, a flocculating agent and sewage can be fully mixed, the precipitation speed of substances in the sewage is increased, the flocculating agent can be uniformly sprayed into the sewage, the flocculating agent and the sewage are uniformly mixed, and the precipitation speed is increased.