71results about How to "Improve sewage efficiency" patented technology

The invention discloses an impeller assembly, a pre-filter applying the impeller assembly and a water consuming system, and relates to the technical field of pre-filters, the impeller assembly comprises an impeller body and a mounting seat, the impeller body is provided with a connecting part, and the connecting part is used for being in transmission connection with an outer framework of the pre-filter; the mounting seat is provided with an impeller cavity, the impeller body is rotatably mounted in the impeller cavity, and one axial side of the mounting seat is provided with a first water inlet communicated with the impeller cavity and the outside of the mounting seat; a second water inlet communicated with the impeller cavity and the outside of the mounting seat is formed in the peripheral side of the mounting seat; a water outlet communicated with the impeller cavity and the outside of the mounting seat is formed in the other axial side of the mounting seat; and the water outlet is used for being communicated with a drain outlet of the pre-filter. According to the technical scheme provided by the invention, the flushing efficiency and the drainage efficiency of the pre-filter can be improved; the water flow drives the outer framework to rotate, so that the self-cleaning capability and the filtering effect of the equipment are further improved.

The invention discloses a modified polyethylene groove type building drainage pipe and a preparation method thereof, and relates to the technical field of plastic pipes. The modified polyethylene groove type building drainage pipe at least comprises the following raw materials in parts by weight: 20-30 parts of silane modified polyethylene; 30-50 parts by weight of high density polyethylene; 5-10 parts by weight of talcum powder; 5 to 15 parts by weight of modified basalt fiber bundles wrapped by polydopamine; 1-5 parts by weight of a lubricant; 3-6 parts by weight of a crosslinking accelerator; and 1-2 parts by weight of an antioxidant. The talcum powder and the modified basalt fiber bundles are added into the silane modified polyethylene and high-density polyethylene cross-linked resin, and the obtained groove type building drainage pipe has the advantages of being high in strength, high in toughness, excellent in temperature resistance and long in service life.

The utility model belongs to the technical field of boiler blow-off, and particularly relates to a novel automatic blow-off device for a waste heat power generation boiler, which comprises blow-off pipelines, a control system, a detection device, a sampling pipeline and an electric valve, a plurality of blow-off pipelines are connected onto the waste heat boiler, and the sampling pipeline is also connected onto the waste heat boiler. An electrically operated valve is arranged on each blow-off pipeline, the detection device is connected to the sampling pipeline, the electrically operated valves and the detection device are electrically connected with the control system, and the electrically operated valves are sequentially and circularly opened. The detection device reflects the state of boiler water in the boiler in real time, when impurities in the boiler are increased to a certain value, the detection device feeds back a signal to the control system, and the control system controls the electric valves on the blow-off pipelines to be sequentially and circularly opened for blow-off. The pollution discharge efficiency is greatly improved, and the safe operation of boiler equipment is guaranteed.

The utility model provides solar integrated sewage treatment equipment, which relates to the technical field of sewage treatment and comprises a treatment box, one side of the treatment box is provided with a sewage outlet, one side of the treatment box is fixedly connected with a sewage discharge box, a sewage discharge mechanism is arranged in the sewage discharge box, the inner side of the treatment box is fixedly connected with a fixed block, and the fixed block is fixedly connected with the sewage discharge mechanism. The top of the fixing block is fixedly connected with a telescopic rod, the outer surface of the telescopic rod is sleeved with a reset spring, and the top of the telescopic rod is fixedly connected with a filter plate. According to the sewage treatment device, large garbage impurities in sewage are filtered through a filter plate, and meanwhile, a first driving motor is started, so that a first rotating shaft drives one rotating wheel to rotate so as to drive a belt to move, and a second rotating shaft drives a cam to rotate, so that the filter plate is conveniently driven to reciprocate up and down; silt and sundries in the sewage are prevented from blocking the filter plate, so that the working efficiency of the equipment is improved.

The present invention belongs to the technical field of grille dirt removal devices, and discloses a traction type grille dirt removal device, including a shell assembly, a debris removal assembly installed in the shell assembly, a material lifting assembly installed in the shell assembly, the debris removal assembly is used to clean the floating objects on the surface of the sewage and transfer them to the material lifting assembly, the material lifting assembly is used to transport the transferred floating objects, the shell assembly includes a lifting frame, the inner wall of the lifting frame is provided with a slide groove, the debris removal assembly includes a machine base, the end of the machine base is fixedly connected to the outer wall of the lifting frame, the top of the machine base is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to a fixed shaft. In the device of the present invention, the second motor drives the fixed shaft to rotate, the fixed shaft drives the installation sleeve to rotate, and the installation sleeve drives multiple supporting arms to rotate through the connecting plate, so that the dirt on the supporting arms can be transferred to the lifting claws, so that the dirt can be effectively and quickly accumulated on the lifting claws, and the single dirt removal amount and sewage discharge efficiency are improved.

The utility model provides a blowdown device for a closestool, and belongs to the technical field of closestools. The device comprises a first blow-off pipe communicated with the bottom of a urinal, the lower end of the first blow-off pipe is connected with a three-way seat, the two sides of the three-way seat are connected with a suction pump assembly and a first connecting pipe respectively, the other end of the first connecting pipe is connected with a connecting seat, and one side of the suction pump assembly is communicated with a second connecting pipe; the other end of the second connecting pipe is communicated with a sewage inlet formed in the upper end of the connecting seat, one side of the connecting seat is connected with a second sewage discharging pipe, and the other end of the second sewage discharging pipe is connected with a sewage discharging seat extending out of the bottom of the closestool. The sewage disposal device has the advantages of simplicity and convenience in arrangement, high efficiency in sewage disposal in various environments, difficulty in blockage and the like.

The utility model relates to the technical field of municipal environmental protection, and provides a convenient municipal sewage disposal device, which comprises a crushing and draining mechanism, a sewage collection mechanism and a box body, the crushing and draining mechanism comprises a water inlet grid, the water inlet grid is fixedly connected to the top of the box body, a motor is arranged in the box body, and the motor is connected with the sewage collection mechanism. The output end of the motor is connected with a rotating shaft which is coaxially arranged through a coupler, the peripheral surface of the rotating shaft is fixedly sleeved with a cam, and through the arrangement of the motor, the water screening frame and other structures, in the sewage collection process of the equipment, the motor is started, so that two rotating rollers rotate, and crushing blades crush impurities; the impurities fall onto the water screening frame, water is filtered out through vibration, the smashed impurities are sent out of the box body, the sewage discharging efficiency is improved, and the problems that in the prior art, the sewage discharging efficiency is poor, and use is inconvenient are solved through the technical scheme.

The utility model discloses a sewage treatment device convenient to clean, which comprises a box body, a surface groove is arranged on the top end surface of the box body, mounting cover plates are equidistantly arranged in the surface groove, a residue separation area and an oil storage pool are arranged in the box body, a clean water pool is arranged on one side of the oil storage pool, and a water outlet is arranged on the other side of the clean water pool. Filter grids are equidistantly mounted in the slag separation area, and a water inlet is formed in the top of the surface of one end of the box body; through the designed cleaning assembly, workers can conveniently and regularly clean the surface of the filtering grating, manual operation of the workers is not needed, the automation degree is high, operation is convenient and fast, functionality is improved, the sewage filtering treatment effect is also conveniently improved, and practicability is good; through the designed functional assembly, timely cleaning and dredging can be conveniently carried out when the sewage draining exit is blocked, operation is simple and easy, the cleaning efficiency of workers can be conveniently improved, meanwhile, the sewage draining efficiency of the sewage draining exit can be conveniently improved, and the practical effect is good.

The utility model relates to the technical field of water treatment equipment, and discloses an automatic water filter capable of automatically cleaning a filter screen, which comprises a shell, a water filtering wheel used for separating water from impurities is arranged in a cavity of the shell, a partition plate is fixedly connected in the cavity of the shell, and a power structure used for driving the water filtering wheel to rotate is arranged on the outer top surface of the shell. A bearing structure used for supporting is arranged at the bottom of the shell, water enters a water filtering wheel cavity from the lower portion of the partition plate through a drainage groove and a water inlet window of the water filtering wheel, the water filtering wheel is driven by a power structure to rotate, water seeps out of the water filtering wheel under the action of pressure and centrifugal force, impurities are reserved in the water filtering wheel cavity, and automatic separation of the water and the impurities is achieved. The sewage discharging efficiency is high, the anti-blocking effect is good, by arranging the bearing structure, the whole device makes elastic contact with the ground, certain buffering is generated, resonance is restrained, and the shearing force effect at the pipeline connecting position is relieved.

The present invention discloses a control method for a pure mechanical pneumatic control logic actuator of a vacuum toilet, comprising the following steps: 1) 0-position state control, 2) system start-up of a flush, 3) sewage tank pumping, 4) secondary flushing, 5) sewage tank discharge, and 6) resetting. The control method of the present invention has simple steps, and can not only adjust the speed of opening or closing of the first pneumatic stop valve and the second pneumatic stop valve, and reduce the noise of the toilet during the suction and sewage discharge process, but also play the role of airflow flushing the inner wall of the flow channel, preventing the risk of dirt adhesion and jamming, and improving the sewage discharge efficiency, and at the same time can ensure that the sewage and air in the sewage tank will not flow back through the first pneumatic stop valve.

The utility model belongs to the technical field of water-soluble fertilizer wastewater treatment devices, and particularly relates to a wastewater treatment device in chitin fertilizer production, which adopts the following scheme that the wastewater treatment device comprises a treatment box, the separation plate is fixedly mounted at the bottom of the inner cavity of the treatment box; the two sides of the rear side of the inner cavity of the treatment box are rotationally connected with the stirring rod; the two sides of the rear side of the treatment box are fixedly connected with the motor, and an output shaft of the motor penetrates into an inner cavity of the treatment box and is fixedly connected with the rear side of the stirring rod; the two sides of the top of the treatment box communicate with the medicine inlet pipe; according to the sewage treatment device, water can be injected into the two sides of the separation plate in batches through matched use of the adjusting mechanism, after sewage on one side of the separation plate is treated, a worker cleans the precipitation box and then injects water into the precipitation box, the continuity of wastewater treatment is improved, and then the efficiency of wastewater treatment is improved.

The utility model relates to a water supply sewage treatment filtering device which comprises a supporting assembly and a filtering barrel rotationally arranged on the supporting assembly, a barrel is coaxially arranged in the filter barrel, an annular filter cavity is formed between the barrel and the filter barrel, an annular sealing plate is arranged above the cavity, a plurality of layers of concentric circle filter materials are arranged in the cavity in the radial direction, and through holes communicated with the annular filter cavity are formed in a barrel body of the filter barrel and the barrel. 4-12 blades are arranged on the upper portion of the inner wall of the barrel in a circumferential array mode, an end cover is coaxially arranged above the barrel through a bearing, a water inlet is formed in one side of the end cover and connected with a water pipe, the water outlet direction of the water pipe is tangent to the inner wall of the side face of the end cover, and tangential water outlet is matched with the blades to drive the filtering barrel to rotate. The bottom of the filter barrel is conical or arc-shaped, and a drain outlet is formed in the center. The device solves the problems that a traditional filtering device is low in efficiency and needs extra power, hydraulic self-rotation driving and multi-stage annular filtering without external power are achieved, the filtering effect is remarkably improved, and the operation and maintenance cost is reduced.

The utility model discloses sewage treatment equipment with a sludge discharge function, which comprises a sand setting device and an aeration device, the aeration device is arranged on the sand setting device, the sand setting device comprises a sand setting tank, a conical sludge tank, a blow-off pipe, a valve, a first baffle, a second baffle, a gate and a lifting plate, the top end of the conical sludge tank is fixedly connected to the bottom end of the grit chamber, the top end of the blow-off pipe is fixedly connected to the bottom end of the conical sludge tank, the valve is fixedly installed on the blow-off pipe, and the two ends of the second baffle are fixedly connected to the inner side wall of the grit chamber respectively. According to the utility model, sewage is pushed to flow through thrust generated by aeration so as to form reflux, and sludge is driven to flow into the sludge tank by virtue of the reflux of the sewage and the inclination angle of the grit chamber, so that the sludge is quickly collected and can be discharged by opening the valve, and the operation is convenient and the sewage discharge efficiency is high.

The utility model relates to the technical field of mariculture, and an embodiment of the utility model provides an assembly type mariculture equipment, including the breeding jar, the inside of breeding jar is provided with to the water pipe for reuse, the circumference of to the water pipe for reuse is provided with the protein separator, the inside of breeding jar is provided with the blowdown mechanism, the blowdown mechanism includes blowdown main pipe. In the utility model, through the cooperation between the blowdown main pipe, motor no. 1 and scraper and other components of the blowdown mechanism, in the use process of the breeding jar, the motor is started to drive the rotating shaft to rotate, the anti -clogging blade is driven to turn over the silt, and the blowdown main pipe is prevented from being blocked. The blade pushes the stressed rod, drives the scraper to slide in the sliding groove, scrapes the inner wall of the main pipe, ensures the flowability, when the stressed rod is not stressed, the scraper resets through the spring, through the above technical scheme, the technical problem that the breeding jar inside cannot be effectively blowdown in the related art is solved.

The utility model discloses environment-friendly sewage treatment shunting equipment, and relates to the technical field of sewage shunting, the environment-friendly sewage treatment shunting equipment comprises a water inlet pipeline, the lower end of the water inlet pipeline is provided with a first shunting pipeline, the left end of the water inlet pipeline and the left end of the first shunting pipeline are jointly and rotatably connected with a turntable, and the left end of the turntable is symmetrically provided with two connecting pipelines; the two connecting pipelines communicate with the water inlet pipeline and the first flow dividing pipeline correspondingly, and water outlet pipelines are installed at the left ends of the two connecting pipelines correspondingly. Water outlet pressure is shared through the first flow dividing pipeline and the second flow dividing pipeline, sewage entering from the water inlet pipeline can be discharged in an accelerated mode, and the sewage discharging efficiency is improved.

The invention belongs to the technical field of sewage treatment pools, and particularly relates to a down sewage treatment pool capable of collecting down, the down sewage treatment pool comprises a sewage pool, the outer side of the lower end of the sewage pool is fixedly connected with a drain outlet, the upper end of one side, away from the drain outlet, of the sewage pool is fixedly connected with a protection assembly, and the inner side of the upper end of the protection assembly is fixedly connected with a power assembly; one end of the power assembly is meshed with a moving assembly, a transmission assembly is fixedly connected to the outer side of the middle end of the power assembly, a filtering assembly is fixedly connected to the end, away from the power assembly, of the moving assembly, a fishing assembly is fixedly connected to the inner side of the filtering assembly, and a linkage assembly is rotationally connected to the lower side of the end, close to the drain outlet, of the filtering assembly; and the protection assembly comprises a supporting table fixedly connected to the upper end of the side, away from the sewage outlet, of the sewage pool, a protection cover is fixedly connected to the upper end of the supporting table, down feather in sewage can be effectively and rapidly fished and collected, and therefore loss of the down feather in the cleaning process is reduced.

The invention relates to a PLC-based electric water filter pollution discharge control method and system, and the method comprises the steps: carrying out the system initialization of a PLC, synchronously starting a timing control module and a pressure difference control module, and generating a timing pollution discharge signal and a pressure difference pollution discharge signal; the method comprises the following steps: receiving a timing pollution discharge signal and a pressure difference pollution discharge signal through a PLC, making a pollution discharge decision according to the signal type and the current state of a system, starting a pollution discharge flow when any pollution discharge signal is triggered and the system is in a non-pollution discharge state, monitoring the state of a pollution discharge valve and the pressure difference change in the pollution discharge process, and controlling the pollution discharge flow. And an abnormal alarm is triggered when the pressure difference is not recovered to a normal range within a set time. By combining cooperative work of a double-signal triggering mechanism of a timing sewage discharge signal and a pressure difference sewage discharge signal, the regularity of system operation is guaranteed, the adaptability to sudden working conditions is achieved, through adjustable parameter design and a real-time monitoring function, the self-optimization and fault diagnosis capacity is achieved, the sewage discharge efficiency can be better improved, and the system is suitable for popularization and application. And thus, the optimal pollution discharge state is achieved.

The sewage valve capable of being precisely adjusted comprises a shell, the shell is of a hollow structure, a water passing seat is fixedly connected into the shell, a movable grinding frame is slidably connected into the shell, a sliding block is fixedly connected to the top of the movable grinding frame, and a heat conduction shaft is rotatably connected into the shell; the surface of the heat conduction shaft is fixedly connected with the interior of an eccentric wheel, the top of the shell communicates with a sliding groove, a water wheel shaft is rotationally connected into the shell, a water wheel is fixedly connected to the surface of the water wheel shaft, the front face of the shell communicates with an electromagnet assembly, and a valve element is slidably connected into the electromagnet assembly. According to the device, impurities in sewage are ground through cooperation of the movable grinding frame and the grinding plate, frozen ice is smashed and melted through cooperation of the heating device and the vibration device, and the opening and closing amplitude of the valve is controlled through cooperation of the flow speed detection mechanism and the electromagnetic valve, so that the reliability of the valve is improved.

The present application discloses a tunnel sewage discharge method, device, electronic device and storage medium. The method is applied to a server, comprising: obtaining pollutant information and pollutant emission quality threshold of a tunnel; obtaining the pollutant quality of the tunnel according to the pollutant information of the tunnel; parsing the pollutant quality and pollutant emission quality threshold of the tunnel using a tunnel sewage discharge network model, and obtaining target control information of the sewage discharge equipment according to the parsing result; controlling each sewage discharge equipment in the tunnel according to the target control information of the sewage discharge equipment; according to the technical solution of the present application, while ensuring the energy-saving effect, it can also ensure that the total amount of pollutants in the target area is within the control range of the environmental impact assessment, thereby improving the sewage discharge efficiency of the tunnel.

The invention relates to a cleaning device and a base station thereof, the base station of the cleaning device comprises a sewage collection tank and a sewage discharge pipe, the sewage collection tank is provided with a sewage collection cavity and a sewage discharge port communicated with the sewage collection cavity, the sewage discharge port is configured to be used for outputting sewage in the sewage collection cavity, and the sewage pipe is arranged at the sewage discharge port; wherein the blow-off pipe comprises a siphon pipe section and a bent pipe section, one end of the bent pipe section is connected to the blow-off opening, the siphon pipe section is connected to the end, away from the blow-off opening, of the bent pipe section, and the siphon pipe section is configured to provide siphon acting force for the blow-off pipe. The cleaning device comprises the base station of the cleaning device and the scrubber, the sewage collection tank is further provided with a sewage collection opening communicated with the sewage collection cavity, the scrubber comprises a sewage tank, the sewage tank is provided with a water outlet, and the water outlet is communicated with the sewage collection opening in a butt joint mode. According to the cleaning device and the base station thereof, the siphon acting force generated by the siphon section is utilized, the flow speed of sewage passing through the blow-off pipe can be increased, the washing force is increased, and the situation that solid dirt in the sewage is hung on the wall is improved.

The utility model relates to an automatic pollution discharge device for aquaculture, which belongs to the technical field of aquaculture, is relatively simple in overall structure, facilitates drainage and pollution discharge operation on a culture pond, and can correspondingly treat dirt in the culture pond and prevent the dirt from blocking a pipeline compared with the prior art, so that the pollution discharge efficiency is improved, the practicability is relatively good, and the practicability is relatively high. The device comprises a base, the sewage pump is detachably connected to the base, the output end of the sewage pump communicates with a blow-off pipe, and the input end of the sewage pump communicates with a connecting pipe; the water inlet pipe is communicated with the connecting pipe through a connecting ring, and the other end of the water inlet pipe is communicated with a water inlet head; the mounting seat is arranged in the water inlet head, one end of the mounting seat is fixedly connected with a connecting disc through a plurality of positioning bolts, and the other end of the connecting disc is rotationally connected with a rotating shaft; and the mounting disc is fixedly connected with the rotating shaft, and a plurality of fan blades are fixedly connected to the outer portion of the mounting disc.

The invention relates to a base station of a cleaning device, the cleaning device and a control method of the cleaning device, the base station of the cleaning device comprises a dirt collecting box, a first filtering part and a second filtering part, the dirt collecting box is provided with a dirt collecting cavity and a dirt collecting opening communicated with the dirt collecting cavity, the first filtering part is arranged at the dirt collecting opening, and the second filtering part is arranged in the dirt collecting cavity. A cleaning device comprises a base station and a scrubber, the scrubber comprises a sewage tank, and a water outlet is in butt joint communication with a sewage collection port. The sewage discharge control method of the cleaning device comprises the following steps: under the action of gravity, sewage in the sewage tank of the floor scrubber is discharged into the sewage collection tank of the base station, and is discharged after being filtered at least twice in the sewage collection tank; and under the driving action of the driving pump, clean water is sequentially sucked into the sewage tank and the sewage collecting tank, and is discharged after being filtered for at least two times in the sewage collecting tank. According to the base station of the cleaning device, the cleaning device and the control method of the cleaning device, solid dirt in sewage can be effectively intercepted, and the sewage discharging efficiency and the sewage discharging stability can be improved.

The invention relates to the technical field of municipal water treatment systems, solves the problem that in the prior art, the surface flowing water treatment efficiency is insufficient, and discloses a regulation and storage pond system with a rapid filtering function and a filtering method thereof.The regulation and storage pond system comprises a drainage channel, a box body, a hydrocyclone, a multi-stage filter, a filtering bin and a water storage pond; the drainage channel is arranged on the ground; the box body is arranged in a soil body, and the hydrocyclone, the multi-stage filter, the filter bin and the reservoir are arranged in the box body and are connected through pipelines; the interior of the multi-stage filter is divided into a plurality of communicated filter layers from top to bottom, and the filter layers are filled with different particulate matters; the filter bin comprises a shell and a filter cartridge; the third pipeline is connected with the shell; the fourth pipeline is connected with the filter cartridge; the filter cartridge is arranged in the shell, and a plurality of meshes are formed in the outer wall of the filter cartridge. The water quality treatment efficiency can be effectively improved, and pollutants such as suspended solids and impurities in the water body are gradually removed through a multi-stage filtering mechanism.

The kitchen garbage treatment decrement machine comprises a top cover and a connector, the top cover is installed at the top of a shell, a bottom shell is installed at the bottom of the shell, and meanwhile a bottom cover is installed at the bottom of the bottom shell; a motor is mounted at the top of the top cover, and an output shaft of the motor is in transmission connection with the top end of the transmission shaft; according to the garbage treatment device, the top of a bottom shell and a bottom cover and the top of a traditional garbage treatment device need to be fixedly installed at the bottom of a water tank, a motor is usually installed on the lower portion of the whole, a sewage outlet of the traditional garbage treatment device must be formed in the side face, and therefore dirt accumulation is likely to be generated at the bottom of the inner side of the traditional garbage treatment device; compared with a traditional garbage treatment device, the garbage treatment device has the advantages that the motor is mounted at the top of the top cover, so that garbage can naturally penetrate through the bottom shell to be collected into the bottom cover under the action of gravity in the crushing process, the garbage can be quickly discharged through the sewage outlet under the action of gravity, and the sewage discharge efficiency is improved.

The utility model provides a kind of based on rotating filter basket technology's pollution discharge system, including dynamic filter basket filtering mechanism, upper filter box, lower filter box and shunt pipeline.Dynamical filter basket filtering mechanism is located in upper filter box, and is connected by first shunt pipeline filtering inlet pipe, and upper filter box connects filtering outlet pipe, and lower filter box connects filtering impurity blowdown valve.First shunt pipeline includes top communication pipe, and its below sequentially connects upper fixed pipe, upper connecting cover and brim pedestal, and brim pedestal below is equipped with pollution collection wheel, and pollution collection wheel is composed of wheel main shaft, wheel framework, pollution collection blade etc., and bottom convex package is aligned with horn mouth blowdown collection pipe.The system is through the synergistic effect of rotating filter basket and pollution collection wheel, realizes efficient blowdown, compact structure, is convenient for maintenance, applicable to sewage treatment and other fields.

The present invention discloses a subway water pump coupling device, including a water pump body, one end of the surface of the water pump body is fixedly connected with a power mechanism, the surface of the water pump body and the side away from the power mechanism is fixedly connected with a water pump coupler, the end of the water pump coupler away from the water pump body is provided with a sewage device, the water pump coupler includes a fixed seat, the corresponding positions on the top of the fixed seat are fixedly connected with a connecting reinforcement plate, the top of the reinforcement plate is fixedly connected with a right-angle connecting pipe, the bottom end of the right-angle connecting pipe is connected with one end of the surface of the water pump body, the top of the right-angle connecting pipe is connected with the bottom end of the sewage device, and the end of the right-angle connecting pipe is provided with a leakage prevention device. The present invention relates to the technical field of tunnel sewage equipment. The subway water pump coupling device achieves the effect of multi-stage sealing, can perform multi-stage sealing, reduces the influence of external force or vibration, is not easy to leak, is safe and reliable, and improves sewage discharge efficiency and performance.

The utility model discloses a large-flow electrochemical descaling, sterilizing and algae-killing treatment device, which belongs to the technical field of electrochemical water treatment equipment and comprises a rack, a shell is arranged on the rack, a water inlet, a water outlet and a flushing port are arranged on the front side of the shell, and a water outlet weir plate is arranged in the shell and corresponds to the water outlet. The shell is internally provided with an electrode reactor formed by cathode plates and anode tubes at certain intervals, the shell is provided with a scale scraping system for cleaning the lower part of the electrode reactor, the bottom of the shell is provided with a scale storage bin, the bottom of the scale storage bin is provided with a drain outlet, and the outer side of the drain outlet is provided with a plugging mechanism. Scale on the polar plate is cleaned through the scale scraping system, the cleaned dirt enters the scale storage bin, the drain outlet is formed in the bottom of the scale storage bin and is large in size, pollution discharge is facilitated, the blocking mechanism is installed on the outer side of the drain outlet and can be rapidly opened, the dirt can be rapidly discharged outwards, the pollution discharge efficiency is improved, and the pollution discharge effect is good. And pollution discharge is more thorough.

The utility model discloses a blow-off pipeline cleaning device for large-scale engineering, which relates to the technical field of blow-off pipeline cleaning equipment, and adopts the technical scheme that the blow-off pipeline cleaning device comprises a mounting frame fixedly sleeved on the outer surface of a blow-off pipeline body, the top of the mounting frame is movably sleeved with a connecting block, and the outer surface of the connecting block is movably sleeved with the outer wall of the mounting frame; and positioning blocks are fixedly arranged on the outer surfaces of the connecting blocks, the outer surfaces of the positioning blocks are movably connected with the outer wall of the mounting frame in a sleeving mode, the number of the connecting blocks is two, and a first filter screen plate and a second filter screen plate are fixedly arranged at the bottoms of the two connecting blocks correspondingly. The sewage pipeline cleaning device for the large-scale project has the advantages of being convenient to disassemble and clean, capable of continuously discharging sewage continuously, wide in application range, compact in structure, durable in material and the like, sewage discharging efficiency can be effectively improved, the working intensity of operators is relieved, and the working efficiency of the operators is improved. And a reliable solution is provided for pollution discharge work of a large-scale project.

The invention discloses an unpowered self-pollution-discharge filtering system, relates to the technical field of liquid filtering, and aims to solve the problems of complex structure, high operation cost and low applicability of a self-cleaning scheme of a filtering system in the prior art. The unpowered self-pollution-discharge filtering system comprises a filtering tank, a conveying pump, a liquid storage tank, a filter element, a rotating sleeve, a scraping ring and a plug barrel, according to the self-cleaning sewage discharging device, during self-cleaning sewage discharging, the plug barrel is inserted into the filter element through liquid with gravitational potential energy, then pipeline switching is achieved by controlling the valve, the liquid with the high dirty degree outside the filter element is discharged out of the sewage discharging pipe, and therefore the self-cleaning sewage discharging device is convenient to use and high in practicability. And after cleaning is completed, pipelines can be switched to automatically reset parts, so that the filtering system works normally, operation is easy and convenient, maintenance is convenient, space limitation is small, the service life of the filtering system is prolonged, and the working stability and efficiency of the filtering system are improved.

The present invention discloses a non-powered self-draining sewage filtering system, which relates to the technical field of liquid filtration, and aims to solve the problems of complex structure, high operating cost and low applicability of the self-cleaning scheme of the filtering system in the prior art. The system comprises a filter tank, a delivery pump, a liquid storage tank, a filter element, a rotating sleeve, a scraper ring and a plug cylinder. The plug cylinder can be inserted into the filter element to seal the filter element. The filter tank is rotatably connected with a rotating sleeve and slidably connected with a scraper ring. The liquid storage tank is arranged above the filter tank. When performing self-cleaning and sewage discharge, the present invention utilizes liquid with gravitational potential energy to insert the plug cylinder into the filter element, and then controls the valve to switch the pipeline so that the liquid with high turbidity degree outside the filter element is discharged from the sewage pipe, thereby realizing efficient automatic cleaning. After the cleaning is completed, the pipeline can be switched to automatically reset the components, so that the filtering system can work normally. The system is simple to operate and easy to maintain, with small space restrictions, thereby extending the service life of the filtering system and improving its working stability and efficiency.