159 results about "Sump pump" patented technology

The invention discloses a fault detection method suitable for a permanent magnet motor sewage pump, and particularly relates to the technical field of motor equipment operation fault detection.The fault detection method comprises the following steps that stage division is conducted on the operation process of the permanent magnet motor sewage pump, and staged dynamic baselines corresponding to all operation stages are established; extracting transient abrupt change of the operating parameters under the dynamic baseline constraint and forming a transient abnormal event sequence; the method comprises the following steps: judging the damage degree grade of a transient abnormal event, continuously accumulating risk integrals, outputting early warning information when a risk reaches a trigger condition, and generating an operation disposal instruction; according to the invention, by constructing a staged dynamic baseline and extracting a transient abnormal event, accurate identification of abnormal behaviors in different operation stages is realized; and in combination with a continuous accumulation mechanism of the damage degree grade and the risk integral, when the risk reaches a triggering condition, an early warning is output, and an operation disposal instruction is generated, so that the accuracy, timeliness and operation safety of fault detection of the permanent magnet motor sewage pump are improved.

The utility model provides a pond backflow cleaning and floating device, and belongs to the technical field of treatment of suspended impurities in wastewater. Comprising a mounting frame, a box body, a collecting basket, a sewage pump, a medicament tank and a monitor, an adjusting bolt is arranged at the top of the mounting frame, and the box body is movably mounted on the mounting frame through the adjusting bolt; a water inlet allowing water to flow in is formed in one side of the box body, the collecting basket is installed in the box body, and filtering holes are formed in the collecting basket; the sewage pump is positioned in the box body and is opposite to the water inlet so as to guide water flow into the box body and the collecting basket; the medicament tank is positioned in the box body and is used for performing medicament adding treatment on the water flow entering the box body and the collecting basket; a monitor is arranged on the mounting frame and transmits the detected water flow condition to a remote control unit in a signal form, and the remote control unit controls the operation states of the sewage pump and the medicament tank according to the detected water flow condition.

The utility model relates to the technical field of building engineering discloses a kind of for local hidden well precipitation device in foundation pit, including cushion, the right side of the cushion is close to the middle place and is provided with drainage mechanism, the drainage mechanism is for precipitation, the top left and right sides of the cushion are all provided with multiple dismounting mechanism, the dismounting mechanism is for dismounting, the top of the cushion is close to the middle place and is provided with limiting mechanism, the top of the cushion is fixedly connected with raft, the top left side of the raft is provided with cover mechanism, the top of the cushion is close to the middle place and is provided with antiskid mechanism.In the utility model, start sewage pump, then sewage pump will suck sewage into drain pipe, then pass through water stop ring through drain pipe, and the water stop ring is fixed on the cushion through steel pipe, the water stop ring can stop water in time, realize the effect of preventing silt blockage efficiently, and increase land adaptability.

This utility model relates to the field of anti-sludge base technology and discloses a CFD anti-sludge base with a shock-absorbing structure, including a sewage pump body. A support mechanism is provided at the bottom of the sewage pump body, and a fixing mechanism is provided on the outside of the support mechanism. The support mechanism includes a base assembly and a support assembly. The base assembly is located at the bottom of the sewage pump body, and the support assembly is located within the inner ring of the base assembly. This CFD anti-sludge base with a shock-absorbing structure, through the provided support mechanism, uses a support ring to support the sewage pump body via a rubber gasket and a retainer. When the retainer is subjected to force, it compresses the rubber gasket downwards, causing deformation and improving the fit between the retainer and the rubber gasket. This enhances the stability of the sewage pump body after it is fixed within the conical base. The flexible connection between the rubber gasket and the retainer, by improving the fit after fixing, avoids gaps and indirectly achieves a shock-absorbing effect.

A computer system for sump pump monitoring and repair service provider notification may include one or more processors configured to: detect that a sump pump is faulty, transmit a prompt for service quotes to a machine learning (ML) chatbot to cause the ML chatbot to: request sump pump replacement or repair services from one or more service providers, receive cost estimates from the one or more repair service providers, receive schedule availability from the one or more repair service providers, receive, from the ML chatbot, the cost estimates and the schedule availability, and communicate the cost estimates and / or the schedule availability to a user associated with the sump pump.

The utility model relates to the technical field of sewage pump stations, in particular to an intelligent sewage pump station convenient to ventilate, which comprises a barrel, a sealing cover, a hinge assembly, a ventilation assembly and a driving assembly, a through hole is formed in the side wall of the barrel, limiting grooves are symmetrically formed in the inner side wall of the through hole, and the sealing cover is slidably connected to the inner wall of the through hole. A limiting groove is formed in the outer side of the sealing cover, a protruding part matched with the limiting groove is arranged on the outer side of the sealing cover, the hinge assembly comprises a hinged support fixed to the outer side wall of the sealing cover and a rotating shaft fixedly connected to the hinged support, the ventilation assembly comprises a machine box fixedly connected to the inner side wall of the barrel, the machine box is arranged towards an opening of the through hole, and a draught fan is fixedly installed on the inner wall of the machine box. According to the utility model, the sealing cover is moved out of the cylinder body, and an operator can conveniently overhaul the fan in the case through the through hole, so that the overhaul progress of the fan and the normal maintenance and operation of the sewage pumping station are prevented from being delayed.

The invention belongs to the technical field of flat mops, and particularly discloses a clean-dirt separating and cleaning method of a flat mop, which comprises the following steps of: supplying clean water: pumping clean water in a clean water tank into a clean water cavity by a clean water pump, converging the clean water in a water outlet cavity after shunting, sucking the clean water by a water sucking cloth strip, and permeating the clean water to mop cloth to quantitatively supply the clean water to the center of a flat mop head; sewage on the ground enters from the side end of the flat mop head and is sequentially absorbed by the mop cloth and the water absorption cloth strips, then the sewage pump is used for vacuumizing and absorbing the sewage, the sewage absorbed by the side end of the water absorption cloth strips is absorbed into the water absorption cavity, then the sewage enters the sewage cavity and is finally absorbed into the sewage tank, and the sewage at the side end of the flat mop head is sucked out. By optimizing the path and mechanism of clean water supply and sewage discharge, quantitative supply of clean water in the center of the cleaning face of the flat mop head in the length direction of the flat mop head and efficient and thorough discharge of sewage from the side end of the flat mop head are achieved, sewage purification separation type cleaning is achieved, and the cleaning effect, efficiency and sanitation degree of the flat mop are improved.

The utility model discloses a double-filter-screen circulating sewage pump which comprises a main body mechanism. The main body mechanism comprises a sewage pump main body, a water outlet pipe installed on one side of the sewage pump main body, a water inlet pipe installed on the other side of the sewage pump main body, a four-way shell symmetrically fixed to the top end of the sewage pump main body, a control base rotationally arranged in an inner cavity of the four-way shell, and a servo motor installed at the top end of the four-way shell and connected with the control base through a shaft. The four-way shells are symmetrically arranged on the two sides of the sewage pump body, the filtering pieces are symmetrically arranged between the opposite four-way shells and communicate with the four-way shells on the two sides, the sewage discharge pipe is installed on the four-way shell on one side, and the water diversion piece is installed on the four-way shell on the other side and communicates with the water outlet pipe. The double-filter-screen circulating sewage pump has the advantages that the double-filter-screen circulating switching filtering is achieved, and the filter screens are automatically cleaned.

The application relates to the technical field of backflow prevention check valves, and discloses a backflow prevention check valve for a rural sewage pump station, which comprises a valve shell, a water inlet cavity, a movable cavity and a water outlet cavity are sequentially arranged in the valve shell from right to left, the water inlet cavity, the movable cavity and the water outlet cavity are arranged in an inverted T shape, a valve core is hingedly installed on the inner wall of the valve shell in the movable cavity, two fixed blocks are fixedly installed on the side of the valve core close to the water outlet cavity, a folding plate is rotatably installed on the inner wall of the two fixed blocks, and the side, away from the fixed blocks, of the folding plate is rotatably installed on the inner wall of the valve shell. The valve core is hingedly installed on the inner wall of the valve shell, and then, when sewage backflows, the valve core rotates and resets under the cooperation of the self weight, the folding plate expands under the rotation connection of the two ends, impurities in the sewage can be effectively prevented from entering the movable cavity after the folding plate expands, the movement of the valve core is ensured, sewage backflow is prevented, and normal water flow discharge is ensured.

The utility model provides a vertical and horizontal dual-purpose submersible sewage pump, which belongs to the technical field of submersible pumps and comprises a motor casing, a mechanical seal chamber and a volute which are sequentially connected, a first mounting rack is arranged on the outer side of the motor casing, and a second mounting rack is arranged on the outer side of the volute; the first mounting frame is provided with a first supporting face opposite to the motor shell, the second mounting frame is provided with a second supporting face opposite to the volute, and the second supporting face is parallel to the first supporting face. The length of the first mounting frame is not larger than that of the motor shell, the width of the first mounting frame is not larger than the diameter of the motor shell, the length of the second mounting frame is not larger than that of the volute, and the width of the second mounting frame is not larger than that of the volute. When the submersible sewage pump is horizontally mounted, the first mounting frame and the second mounting frame are supported on the foundation ground; when the submersible sewage pump is vertically mounted, the first mounting frame and the second mounting frame can be limited in a vertical space, so that the submersible sewage pump can be used vertically and horizontally, the universality of the submersible sewage pump is improved, and the use cost of a user is reduced.

The present invention provides a sump pump system, including a sump pump monitor and application. The sump pump system includes a sump pump. Components of the sump pump system are installed in and / or near a sump. The sump collects liquid, such as water, from an inlet pipe. The sump pump is operable to remove water from the sump. The sump pump is fluidly connected to a discharge pipe. The discharge pipe is operable to carry water from the sump pump to a storm sewer or other discharge point.

The invention belongs to the technical field of cleaning equipment, and discloses an automatic cleaning system for a spraying chamber of a textile air conditioner, which comprises a cleaning system arranged in a spraying water tank and a sewage pump, and the sewage pump is communicated with a water outlet of the spraying water tank through a blow-off pipe; the dirt collecting hopper is arranged at the bottom of the spraying water tank; the liquid level sensor is arranged in the spraying water tank, is electrically connected with the sewage pump and is used for detecting the height of sludge in the sludge collecting hopper and sending a starting signal to the sewage pump after the height of the sludge exceeds a height threshold value; the system further comprises a grid which is arranged in the spraying water tank and located over the dirt collecting hopper. According to the scheme, through the structure of the grid and the bowl-shaped dirt collecting hopper, the grid firstly intercepts large-particle cotton dust and impurities, and the large-particle cotton dust and the impurities are prevented from being dispersed and deposited everywhere in a water pool; the bowl-shaped sewage collecting hopper quickly collects the sludge to the bottom of the hopper according to the gravity principle, and the sludge is discharged through the sewage discharge pipe and the sewage pump; the problem that sludge deposits in the spraying water tank of the textile air conditioner is solved.

The utility model provides a sand-gravel waste water treatment and slurry secondary efficient dehydration system which comprises a fine sand recovery device, and the sewage outlet end of the fine sand recovery device is connected with a sewage concentration system through a first sewage pump; a sludge collecting device is arranged in the sewage concentration system, an outlet of the sludge collecting device is connected with a mud buffer tank through a mud pump, and supernate in the sewage concentration system is connected with a reclaimed water pool through an overflow pipe; a three-way joint is mounted at the bottom of the slurry buffer tank, one end of the three-way joint is connected with the slurry dehydration device, and the other end is connected with the filter press; a sewage outlet end of the slurry dehydration device is connected with a mixer of the sewage concentration system; and a filtrate outlet of the filter press is connected with the reclaimed water tank. According to the system, the vibration dehydration device is additionally arranged at the rear end of the slurry concentration treatment process, so that the problem of recycling fine solid particulate matters with the particle size of 0.03-0.075 mm in the sand-gravel waste water can be effectively solved.

This invention discloses a zero-discharge system and method for rinsing circulating water in glass wool production, belonging to the field of wastewater treatment and recycling technology in glass wool production. The system includes a spray rinsing unit, a wastewater collection unit, a solid-liquid separation unit, and a recycling pipeline unit. The spray rinsing unit is located in the fiber accumulation area of ​​the glass wool production line. The wastewater collection unit collects the mixed water containing glass fiber waste wool generated during rinsing. The solid-liquid separation unit separates the glass fiber waste wool and obtains circulating water through a sewage pump and a vibrating screen. The recycling pipeline unit returns a portion of the circulating water to the spray rinsing unit and another portion to the binder preparation system. The system can also adjust the spray state of the direct spray nozzles according to the vibration value of the forming fan and adjust the sewage pump flow rate according to the processing state of the vibrating screen. This invention can achieve internal circulation and production consumption utilization of rinsing water under normal continuous production conditions, reducing wastewater discharge and improving production continuity and binder utilization rate.

The application provides a groundwater seepage treatment method for the connection part of new and old foundation pits in a water-rich sand layer environment, which comprises the following steps: sandbag cofferdam masonry; zoned, segmented and layered excavation of earthwork; construction of a water interception ditch + sand collection pit + filter layer collaborative drainage system; adoption of a drainage and sand removal + subsequent segmented cutting process to break the blocking wall; installation of a rigid protection structure of a reserved hole steel plate + expansion bolt fixation + full-welding splicing; sewage pump drainage; adoption of a cushion protection + steel reinforcement + continuous pouring + collaborative drainage process to construct a bottom plate; drainage hole plugging; grouting hole pressure relief; and grouting hole plugging. The application solves the problems of cofferdam leakage, large excavation disturbance, drainage blockage, leakage plugging and the like in the traditional treatment method, and through the collaborative cooperation of various key processes, ensures the safety and stability of construction under the complex geological conditions of the water-rich sand layer, improves the construction efficiency and plugging quality, adapts to the narrow operation environment of urban underground engineering, and meets the high-standard requirements of the connection construction of new and old foundation pits.

The utility model relates to the technical field of sewage treatment, in particular to a sewage drainage tube of a sewage pump. Comprising a tee joint, the first side end of the tee joint is detachably, fixedly and hermetically connected with a plug, the upper end of the tee joint is internally, fixedly and hermetically connected with a connecting pipe, the upper end of the connecting pipe is fixedly provided with a baffle ring, the connecting pipe below the baffle ring is sleeved with a sealing ring, the connecting pipe below the sealing ring is sleeved with a top sleeve, and the connecting pipe below the top sleeve is in threaded connection with a threaded sleeve; a sealing ring is fixed to the inner edge of the side wall of the threaded sleeve, and a guide slope is arranged on the inner edge of the upper end of the sealing ring. The sewage pump is convenient to hermetically insert with a sewage discharge pipe of the sewage pump, sewage discharged by the sewage discharge pipe can be intensively collected, and corrosion of the pump seat caused by long-time contact of the sewage and the pump seat can be avoided.

The utility model discloses a sewage pump body casting mould of a combined loam core, which relates to the technical field of casting moulds and comprises a mould plate, two upper mould patterns symmetrically arranged on the top surface of the mould plate, lower mould patterns symmetrically arranged on the bottom surface of the mould plate, a straight pouring column arranged at the central position of the top surface of the mould plate, and an upper cross gate arranged at the central position of the bottom surface of the mould plate. The arc inner pouring gate is arranged on one side of the lower mold, the square flange inner pouring gate is arranged on the other side of the lower mold, the square flange inner pouring gate, the arc inner pouring gate and the straight pouring column are connected in a spaced mode through the upper transverse pouring gate, and the loam core set corresponds to the upper mold and the lower mold; automatic line modeling production can be achieved, the appearance of a casting is attractive, meanwhile, production efficiency is improved, the production period is shortened, and timely delivery of products is guaranteed.

This utility model discloses a wastewater treatment device with gas-liquid-solid separation, relating to the technical field of the chemical industry. It includes a wastewater tank and a collection tank. A partition is installed inside the wastewater tank, dividing it into a storage area and a suction area. The upper part of the storage area is connected to the upper part of the suction area, and the bottom of the storage area is lower than the bottom of the suction area. An exhaust fan is also installed on the wastewater tank to extract gas from the tank to an incinerator. A slurry pump and a wastewater pump are also installed on the wastewater tank. The inlet of the slurry pump is connected to the bottom of the storage area via a pipe, and the outlet of the slurry pump is connected to the collection tank via a pipe. A filter is installed at the bottom of the suction area, and the inlet of the wastewater pump is connected to the outlet of the filter via a pipe. This utility model ensures effective gas-liquid-solid three-phase separation in the wastewater tank. Simultaneously, it requires minimal manual intervention, reducing labor intensity, exhibiting a high level of automation, and is environmentally friendly.

The application provides a submersible sewage pump outlet pipe connecting joint, which comprises a male joint and a female joint connected through threads, the movable end of the male joint is connected to the sewage pump outlet pipe through threads, the butt joint ends of the male joint and the female joint are both provided with sealing rings, the female joint is provided with a threaded gland for threadedly connecting the male joint and pressing the female joint, the movable end of the female joint is provided with a first flow pipe for connecting a water hose, the inner side of the other end of the threaded gland is provided with an annular protrusion for pressing the water hose, and a clamping structure is arranged between the annular protrusion and the first flow pipe. The application has the effect of improving the sealing performance and firmness of the water hose mounted on the sewage pump outlet pipe.

The invention provides a motor sweeper and a motor sweeper sewage circulation method, and relates to the technical field of road surface cleaning equipment.The motor sweeper comprises a clear water tank, a sewage tank, a sewage pump, a filtering mechanism, a sewage suction mechanism and a flushing mechanism; the sewage pump is connected between the sewage tank and the filtering mechanism and is used for inputting water in the sewage tank into the filtering mechanism; a first valve body is arranged between the sewage tank and the sewage pump; a second valve body is arranged between the sewage pump and the filtering mechanism; the filtering mechanism comprises a clear water outlet and a waste liquid outlet, the clear water outlet is connected with the clear water tank, and a third valve body is arranged between the clear water outlet and the clear water tank; a fourth valve body is arranged between the waste liquid outlet and the sewage tank; a fifth valve body is arranged between the clean water tank and the inlet of the sewage pump; an outlet of the sewage pump is connected with a spraying mechanism, the spraying mechanism is used for cleaning the interior of the sewage tank, and a sixth valve body is arranged between the sewage pump and the spraying mechanism.

Sewage enters from a heat recovery heat exchanger, the heat recovery heat exchanger and a main heater are sequentially connected to a middle inlet of a flash tower, and a top outlet of the flash tower is sequentially connected with a metal filter and a non-metal filter; filtering outlets of the metal filter and the non-metal filter are connected with a top inlet of the flash tower; a gas-phase outlet of the non-metal filter is connected with a heat recovery heat exchanger and is sequentially connected with a clear water temporary storage tank and a clear water pump after condensation, and clear water is discharged by the clear water pump; a bottom outlet of the flash tower is sequentially connected with a tower bottom pump and a centrifugal machine; a liquid phase outlet of the centrifugal machine is sequentially connected with a sewage temporary storage tank and a sewage pump, and the sewage pump is connected with the heat recovery heat exchanger to form a recirculation loop. According to the utility model, the defect that the filter material is easy to block in the traditional liquid phase treatment is overcome, the metal and nonmetal filter materials are combined for collaborative purification, the purification efficiency is obviously improved, and efficient decontamination is realized.

The utility model provides a sewage pump and belongs to the field of pumps. The problem that a sewage pump is easily blocked is solved. The sewage pump comprises a pump body with a water inlet port, a flow guide cylinder is arranged at the water inlet port of the pump body, a plurality of water passing holes are evenly distributed in the circumferential direction of the side wall of the flow guide cylinder, a cutting device is arranged in the flow guide cylinder and comprises a cutting cutterhead and an auxiliary cutterhead, and the cutting cutterhead and the auxiliary cutterhead are both in transmission connection with the conveying end in the pump body through a transmission shaft. A plurality of pairs of cutting blades extend outwards in the radial direction of the cutting cutterhead, each pair of blades are oppositely arranged, every two adjacent pairs of cutting blades are oppositely arranged in the vertical direction, a plurality of auxiliary blades extend outwards in the radial direction of the auxiliary cutterhead, and inclined folded edges are arranged at the ends of the auxiliary blades. A plurality of arc-shaped grooves of a semi-arc structure are formed in the outer edges of the auxiliary blades. The utility model has the advantage of anti-clogging.

The utility model relates to the field of horizontal sewage pumps, and discloses an adjustable horizontal sewage pump which comprises a pump body, supporting legs are fixedly connected to the lower surface of the pump body, an adjusting mechanism is arranged on the outer walls of the supporting legs, the adjusting mechanism comprises an adjusting assembly and a limiting assembly, the adjusting assembly comprises a roller shaft, and the roller shaft is fixedly connected with the supporting legs. The roller shaft is rotationally connected between the two opposite supporting legs, a supporting plate is fixedly connected to the lower surface of the roller shaft, a mounting plate is fixedly connected to the front surface of the supporting plate, and a mounting assembly is arranged in the mounting plate. According to the utility model, under the cooperation of the adjusting mechanism, when facing complicated terrains such as potholes, inclination and the like, the orientation of the mounting plate can be flexibly adjusted by pulling the pull rod to release the limit and rotating the roll shaft, so that the pump body can be stably mounted. And compared with a traditional fixed installation mode, the applicability of the device in different environments is improved.

The utility model discloses a circulating filtration system of a cleaning and drying machine. The circulating filtration system comprises a first sewage pump A, a precipitation water tank, a second sewage pump B, a filtration device and a clean water pump C, the filtering device comprises a base, a water collecting tank, a filtering barrel and a driving assembly, the filtering barrel is horizontally and movably arranged on the base, and the water collecting tank is located below the filtering barrel; sewage for cleaning the dryer is pumped to the precipitation water tank by the first sewage pump A, and the sewage in the precipitation water tank is pumped to an inlet of the driving assembly by the second sewage pump B, so that the filter barrel is driven to rotate by utilizing the impact force of water; an inlet of the clean water pump C is communicated with the water collecting tank; the backwashing assembly comprises a washing pipe and a waste residue tank, the washing pipe is close to the upper part of the outer side of the filter barrel and is arranged along the length direction of the filter barrel, and the waste residue tank is positioned on the inner side of the filter barrel and is positioned under the washing pipe; the waste residue tank is discharged through a waste residue pipe.

The utility model provides a cleaning device of a pre-membrane pretreater, which belongs to the technical field of sewage treatment equipment and comprises a water inlet pipeline arranged at the water inlet end of a sewage pump, a filtering device arranged at the water inlet end of the water inlet pipeline and a first electric valve arranged at the middle section of the water inlet pipeline, a gas washing pipeline is arranged between the first electric valve and the water inlet end of the water inlet pipeline, a second electric valve is arranged at the gas inlet end of the gas washing pipeline, a backwashing pipeline is arranged at the gas outlet end of the gas washing pipeline, a communicating gas pipe is arranged at the gas inlet end of the second electric valve, and an air compressor unit is arranged at the gas inlet end of the communicating gas pipe; according to the utility model, the first electric valve is closed, the second electric valve is opened, and then the air compressor unit is started, so that high-speed compressed air is used for backwashing impurities in the filter cartridge through the backwashing pipeline and the air flushing hole, so that the impurities inside and outside the filter cartridge are washed away, and the remote automatic cleaning of the filter device is realized; therefore, the filtering device is convenient to clean and the working personnel can use the filtering device conveniently.

The present application belongs to the technical field of pump, disclose a spiral flow guide slag discharge cavity permanent magnet sewage pump, including sewage pump assembly, the sewage pump assembly inside rotation is provided with spiral flow guide arm assembly, the spiral flow guide arm assembly outside rotation is provided with discharge cylinder assembly, the present application straight cylinder pump shell passes through the rotation of helical pump blade, so that sewage enters spiral flow guide arm assembly and discharge cylinder assembly through the sewage arm assembly and is discharged from the sewage pipe, in this process, when sewage enters spiral flow guide arm assembly, flow guide arm throws sewage towards the inner wall of discharge screen cylinder through flow guide side groove, at the same time, through the rotation of discharge cylinder assembly, primary solid-liquid separation of sewage in helical pump blade is realized, the primary solid-liquid separation of pump inlet end is realized, the wear of main pump is reduced, through the synchronous reverse of spiral flow guide arm assembly and discharge cylinder assembly in sewage pump assembly, the lifting and lifting collection of sewage between spiral flow guide arm assembly and discharge cylinder assembly are realized, which is convenient for the centralized treatment of slag.

The utility model relates to a sewage suction pipe filtering technology field, and disclose a kind of filtering device for sewage suction pipe of sewage suction truck, including filter box and fixedly installed in the filter box lateral wall suction pipe, the one end of filter box is fixedly installed with operating box, the filter box is provided with the filtering assembly of filtering to suction pipe, the filtering assembly includes first chamber being opened in filter box, first chamber is fixedly installed with arc filter screen, under the cooperation of filter plate and arc filter screen, stone and larger sundries are isolated, avoid stone into sewage pump, carry out blockage to sewage pump, cause sewage pump to appear short-circuit phenomenon, under the cooperation of water flow, waterwheel, rotating shaft, connecting rod and cleaning rod, the silt adsorbed on arc filter screen is cleaned down, under the action of special-shaped plate, cleaning rod, sliding groove and spring, silt is pushed to silt collection box, not only can improve sewage suction speed but also carry out silt collection, subsequent centralized cleaning is facilitated.

The utility model discloses a sewage pump station ventilation device which comprises a pump station body, an air inlet mechanism and an air exhaust mechanism, the air inlet mechanism and the air exhaust mechanism are arranged in the pump station body, the air inlet mechanism comprises an air inlet pipe, a first filter pipe and a first fan, and the air exhaust mechanism comprises an air exhaust piece, a second filter pipe, a second fan and an air exhaust pipe. The air inlet mechanism and the air exhaust mechanism are arranged at the two ends of the upper surface of the pump station body respectively, ventilation can be conducted in the pump station body at any time through the air inlet mechanism and the air exhaust mechanism, a first filter pipe is arranged in the air inlet mechanism, and the air inlet mechanism and the air exhaust mechanism are arranged in the pump station body. The first filter pipe is arranged in the pump station body, so that fresh air can be quickly sucked into the pump station body through the forward channel of the first filter pipe, and the second filter pipe is arranged in the exhaust mechanism, so that gas with pollutants such as impurities at the bottom of the pump station can be filtered from the reverse channel of the second filter pipe to reach the emission standard and then is slowly exhausted outwards.