153results about "Pipe units with cleaning apertures" patented technology

The invention relates to the technical field of eccentric butterfly valves, and discloses an eccentric butterfly valve with an anti-blocking function, which comprises an eccentric butterfly valve body, a shaft tube is fixedly arranged at the lower end of one side of the eccentric butterfly valve body, a driving motor is fixedly mounted at the lower end of the shaft tube, and a rotating shaft is fixedly arranged at the upper end of a rotating shaft of the driving motor; a valve clack is fixedly arranged at the position, close to the inner side of the eccentric butterfly valve, of the outer side of the rotating shaft, a filtering assembly is arranged in one side of the eccentric butterfly valve, a cleaning assembly is arranged at the position, close to the position between the shaft pipe and the filtering assembly, of the inner side and the outer side of the eccentric butterfly valve, and a supporting assembly is arranged at the position, corresponding to the filtering assembly, of the outer side of the eccentric butterfly valve. According to the eccentric butterfly valve with the anti-blocking function, impurities in a water source are filtered through the filter screen through overall cooperative use, the blocking situation is avoided, and the situation that the circular ring sleeve deviates under the impact of water flow is prevented.

The invention relates to the technical field of water conservancy projects, and discloses a water conservancy project pipeline with a flow monitoring structure, which comprises an engineering pipeline body, the two ends of the engineering pipeline body are of outwards-expanded opening structures, and the surface of the engineering pipeline body is provided with a vertical pipeline to form a three-way pipe structure; and the vertical pipeline of the engineering pipeline body is in threaded connection with an overhaul sealing cover. According to the hydraulic engineering pipeline with the flow monitoring structure, the vertical pipeline of the engineering pipeline body is in threaded connection with the overhaul sealing cover, the overhaul sealing cover is screwed into and seals the opening of the vertical pipeline through threaded connection, and when parts such as a turbine flow meter and an ultrasonic flow meter in the pipeline need to be overhauled, maintained or calibrated and sundries in the pipeline need to be cleaned, the overhaul sealing cover can be replaced; the overhaul sealing cover can be conveniently screwed off, operation is carried out through the vertical pipeline opening, a large number of pipeline parts do not need to be disassembled, overhaul and maintenance convenience is improved, and maintenance cost and time cost are reduced.

An assembly to coupling a pipeline closure with a pipeline closure hub, the pipeline closure hub including a closure hub opening portion and a coupling portion. The coupling including a pipeline closure extension extending from the pipeline closure. The pipeline extension including a junction portion to abut the closure hub opening portion of the pipeline closure hub and a fastener extending around the closure hub.

The utility model relates to the technical field of drainage pipes, and discloses an anti-blocking drainage pipe which comprises a drainage pipeline, an anti-blocking barrel, a water passing groove, a connecting thread, a fixed cover plate, a fixed screw cap, a connecting pipe and a sealing groove. A water passing groove is fixedly formed in the drainage pipeline, a connecting thread is fixedly arranged in the anti-blocking barrel, a fixed cover plate is fixedly arranged at the left end of the anti-blocking barrel, a fixed screw cover is fixedly arranged at the right end of the fixed cover plate, and a connecting pipe is fixedly arranged at the upper end of the drainage pipeline. According to the anti-blocking drainage pipe, the drainage pipe is improved, so that the anti-blocking capacity of the drainage pipe is improved, in the actual use process of the drainage pipe, blocking objects can be rapidly and effectively discharged from the drainage pipe according to needs, and the drainage pipe can adapt to various environments conveniently; and the drainage effect of the anti-blocking drainage pipe is improved.

The utility model discloses a vent pipe for industrial air exhaust, which comprises a plurality of groups of pipelines, the plurality of groups of pipelines are detachably connected, an inner connecting ring is movably connected between every two groups of pipelines, the outer wall of each inner connecting ring is fixedly connected with a rubber pad, cleaning components are arranged on the pipelines, one end of one group of pipelines is detachably connected with an air inlet pipe, and the other end of one group of pipelines is detachably connected with an air outlet pipe. One end of one pipeline is provided with an air inlet assembly, one end of the other pipeline is provided with an air outlet assembly, each pipeline is provided with a fixing assembly, the fixing assemblies are used for connecting the air inlet pipe, the pipelines and the air outlet assemblies, the pipelines can be conveniently spliced, installed and maintained through the fixing assemblies, and meanwhile the pipelines can be conveniently cleaned and maintained through the cleaning assemblies.

The utility model discloses a convenient exhaust valve coal ash cleaning device which comprises an exhaust pipeline, an exhaust valve and a cleaning branch pipe, the exhaust pipeline is provided with the exhaust valve, one side of the exhaust valve is communicated with the cleaning branch pipe, and the end of the cleaning branch pipe is provided with a first flange. A first sealing groove is formed in the end of the cleaning branch pipe, a first sealing ring is arranged in the first sealing groove, a second sealing groove is formed in the end face of the first flange, a second sealing ring is arranged in the second sealing groove, the first flange is fixedly connected with a blind plate flange, the blind plate flange and the first flange are fixedly installed, and sealing installation of the blind plate flange and the cleaning branch pipe is achieved. When ash needs to be cleaned, the blind flange is opened, and air or water is used for cleaning, so that the cost is reduced, the efficiency is improved, and the desired effect is achieved through an easy-to-operate method.

The utility model belongs to the technical field of municipal pipelines, and particularly relates to a municipal conveying pipeline which comprises two water passing pipelines and a connecting pipeline, the connecting pipeline is used for connecting the two water passing pipelines, and the connecting pipeline comprises a pipe body provided with a water inlet pipeline, a water outlet pipeline and a blow-off pipeline; the two connecting pieces are installed on the two water passing pipelines respectively, the connecting pieces are detachably installed on the inner walls of the water passing pipelines, elastic clamping plates are arranged on the inner walls of the connecting pieces, and inserting plates are arranged at the ends, away from the water passing pipelines, of the connecting pieces; the reverse flow cut-off piece is rotatably mounted in the connecting pipe body and is used for blocking the water inlet pipeline; clamping grooves and inserting grooves are formed in the outer wall of the water inlet pipeline and the outer wall of the water outlet pipeline, the clamping grooves are clamped with the elastic clamping plates in a matched mode, and the inserting grooves are inserted with the inserting plates in a matched mode; the connecting pipeline has the advantages that the water inlet pipeline and the water outlet pipeline of the connecting pipeline can be connected with the two water passing pipelines in an inserted mode through the connecting pieces, and operation is easy, convenient and fast.

The utility model relates to the technical field of coal mine drainage pipelines, and discloses a drainage pipeline for coal mine water control, which comprises a first pipeline and a second pipeline, and a filtering and cleaning component is mounted between the first pipeline and the second pipeline. The filtering and cleaning assembly comprises a connecting cover fixedly installed between the first pipeline and the second pipeline through a flange, a bottom plate fixedly installed at the bottom of the connecting cover through bolts and a partition plate fixed in the connecting cover, and the partition plate divides the interior of the connecting cover into a first cavity and a second cavity. According to the drainage pipeline for coal mine water prevention and control, through the filtering and cleaning assembly, when impurities in the connecting cover are cleaned, cleaning can be conducted without stopping drainage operation, the filtering and cleaning assembly is not needed, the operation is simple, the operation is convenient, the practicability is high, and the practicability is high. The pipeline drainage efficiency is improved, the using effect of the device is improved, and the actual using requirement is met.

The invention is suitable for the technical field of drainage pipelines, and provides an anti-crystallization replaceable filling type drainage pipe which comprises an upstream pipe, a downstream pipe, an impurity removal box and a water conveying pipe, and the impurity removal box and the water conveying pipe are arranged between the upstream pipe and the downstream pipe. Wherein a water inlet and a water outlet are formed in the two sides of the impurity removal box correspondingly, and a separation mechanism used for removing floating garbage is arranged in the impurity removal box; a sponge barrel is arranged in the water conveying pipe and used for absorbing water to reduce evaporation and reduce crystallization in the pipe. According to the anti-crystallization replaceable filling type drain pipe provided by the scheme, the hydrophilic polyurethane sponge barrel is filled in the pipeline, so that the problem of blockage caused by crystallization in the pipeline is solved, impurities can be cleaned, and the anti-crystallization replaceable filling type drain pipe is convenient to disassemble and assemble.

The utility model relates to water supply and drainage technical field discloses a filterable water supply and drainage pipeline, including drain pipe, the water inlet end of drain pipe passes through the detachable installation filter component of flange, filter component includes Z type pipe, the inside installation of Z type pipe has the clean filter main part of water body filtration to clean filter main part's cleaning drive end is located in the outer wall surface of Z type pipe, and Z type pipe is close to the one end of clean filter main part filter surface and is provided with the blowhole. The filterable water supply and drainage pipeline, through the rotation of the driving shaft driven by the knob arranged outside, makes the bristle present 360 degrees dead angle rotation cleaning around the filter hole filter surface, guarantees the comprehensiveness of filter hole filter surface end cleaning, avoids the existence of dead angle, and, without disassembling any pipeline component or taking out the filter screen, can realize the cleaning of filter hole outside operation, and the operation time is greatly shortened, simultaneously also maximizes the system downtime, improves the operation continuity of water supply and drainage system.

This utility model discloses a high-performance anti-jamming power station gate valve, relating to the field of gate valves. The high-performance anti-jamming power station gate valve includes a gate valve body with a drain trough at its bottom. A drain base plate for anti-jamming draining is movably engaged at the bottom of the drain trough. A sealing block and a positioning block are fixedly connected to the drain base plate, with the sealing block sealing the drain trough. During use, this high-performance anti-jamming power station gate valve allows for convenient and periodic disassembly and assembly using the drain base plate at the bottom of the gate valve body for draining, preventing blockage of the internal channels of the gate valve body. The limiting mechanism design facilitates easy installation and positioning of the drain base plate, sealing block, and positioning block within the gate valve body and positioning seat, eliminating the need for external tools and simplifying subsequent disassembly and maintenance. Furthermore, the structural design of the drain base plate and sealing block provides a large drain opening, ensuring the high-performance anti-jamming performance of the gate valve body and meeting the requirements of special power station environments.

The utility model discloses an elbow pipe type steel-plastic conversion joint, which comprises an elbow pipe, joints are welded at two ends of the elbow pipe, each joint comprises a shell, a cavity, external threads and internal threads, the shell is welded at the end part of the elbow pipe, the external threads are arranged on the outer side of the shell, the number of the external threads is multiple, and the internal threads are arranged in the cavity. The diameter of the multiple external threads is sequentially increased from the end, away from the bent pipe, of the shell to the other end of the shell, a cavity is formed in the shell and communicates with the bent pipe, multiple internal threads are formed in the inner wall of the cavity, and the diameter of the multiple internal threads is sequentially decreased from the end, away from the bent pipe, of the shell to the other end of the shell. By means of the connector composed of the shell, the cavity, the external threads and the internal threads, when the connector is applied to adapting of two steel-plastic pipes, adapting of the two steel-plastic pipes with different diameters is facilitated in the mode that the pipeline is connected with the proper external threads or the proper internal threads, impurities in the bent pipe can be cleaned conveniently in the mode that the cover is screwed, and the bent pipe is convenient to clean. And the connected steel-plastic pipe is prevented from being detached.

A sewer cleanout cap characterized by reliable and rapid location underground thereby eliminating time wasted attempting to locate, dig for, repair, or replace standard cleanout caps. The cleanout cap comprises a generally disc shaped threaded cap body having a distal face and a central axis with a drive block extending proximally from a proximal face of the cap body. A first recess can extend into the cap body from the distal face, and a second recess can extend from the distal face into the drive block. A first magnet is generally aligned with the first axis and is fixed and sometimes sealed within the sewer cleanout cap. First magnet fixation approaches include securing the first magnet in a non-corrosive housing, molding the magnet into the cap, securing within in a first recess using friction or adhesives, securing it to a post, or securing the first magnet within deflectable prongs.

The utility model discloses pipe network flow and liquid level monitoring equipment, and relates to the technical field of pipe network monitoring. Comprising a pipe body, a flowmeter is installed outside the pipe body, a filtering mechanism is installed at the position, close to the front end, of the interior of the pipe body, a liquid level adjusting assembly is installed at the position, close to the rear end, of the exterior of the pipe body, the filtering mechanism comprises a filtering net and a collecting pipe, and the filtering net is fixedly installed at the position, close to the front end, of the interior of the pipe body; the collecting pipe is installed at the position, close to the front end, of the outer portion of the pipe body in a penetrating mode, a collecting groove is formed between the collecting pipe and the pipe body, a fixing frame is fixedly installed at the position, close to the bottom end, of the interior of the collecting pipe, a first screw rod is movably installed in the fixing frame in a penetrating mode, and a first guide rod is fixedly installed at the top of the fixing frame. According to the utility model, impurities can be conveniently collected and cleaned, water flow can be continuously conveyed in the cleaning process, meanwhile, the liquid level height of an alarm can be conveniently adjusted, and the device is suitable for monitoring liquid levels in different states.

The utility model discloses an anti-blocking hydraulic engineering pipeline, which belongs to the technical field of hydraulic engineering, and comprises an S-shaped water pipe, a filter screen and a crushing assembly, one side of the S-shaped water pipe is provided with a mounting pipe, the inner wall of the mounting pipe is provided with a plurality of annularly distributed connecting grooves, and the crushing assembly comprises a mounting seat, a motor and a crushing shaft. The motor is fixedly mounted in the mounting seat, the crushing shaft is fixedly mounted on an output shaft of the motor, a plurality of annularly distributed accommodating grooves are formed in the outer circumference of the mounting seat, springs and connecting blocks are arranged in the accommodating grooves, and connecting rods are fixedly connected to the ends, close to the springs, of the connecting blocks; an annular groove is formed in the mounting seat, one end of the connecting rod extends into the annular groove and is fixedly connected with an iron block, and an annular electromagnet is fixedly mounted on the inner wall of the annular groove; and the crushing assembly is convenient to disassemble and assemble, the crushing shaft is convenient to clean, and the working efficiency of the crushing shaft is prevented from being influenced.

The utility model discloses water delivery equipment for an intelligent heat supply system, which comprises a water delivery pipeline connected with the output end of the intelligent heat supply system, a partition plate for sealing the pipeline is fixedly arranged in the water delivery pipeline, the outer wall of the lower end of the water delivery pipeline is communicated with a precipitation pipeline and a connecting pipeline, and the connecting pipeline is arranged in an L shape. One end, far away from the conveying pipeline, of the connecting pipeline is communicated with the precipitation pipeline, a connecting disc is fixedly connected to the lower end of the precipitation pipeline, and a filtering mechanism is arranged at the lower end of the precipitation pipeline, extends into the precipitation pipeline and is fixedly mounted at the lower end of the precipitation pipeline through the connecting disc. The problems that when a water conveying pipeline is used for heat supply, impurities exist in conveyed hot water and are easily adsorbed on the inner wall of the pipeline to cause impurity accumulation, the conveying efficiency of the pipeline is reduced and even the pipeline is completely blocked due to the accumulation of the impurities, and the use of a heat supply system is influenced are solved. And manpower and material resources are also needed to dredge the pipeline.

The utility model discloses a sludge and wastewater conveying pipeline, which relates to the technical field of sewage pipelines, and comprises a pipeline body, a cleaning port which is arranged on one side of the pipeline body and is used for a user to clean sludge, and a plugging cover which is detachably arranged at the cleaning port, and a fixing mechanism is arranged between the cleaning port of the pipeline body and the plugging cover. The fixing mechanism comprises mounting plates fixedly arranged on the two sides of the plugging cover and mounting bases fixedly arranged on the two sides of the outer wall of the pipeline body and abutting against the mounting plates in a matched mode. According to the utility model, the use of screws is reduced in the process of fixing the plugging cover, and the screws are arranged outside the pipeline, so that not only is the disassembly and assembly of workers facilitated, but also the screws are prevented from rusting due to contact with sewage; a user can conveniently disassemble and assemble a screw in various modes such as an electric wrench or a screwdriver, and a worker can conveniently apply force in the screw disassembling process, so that the screw is conveniently disassembled, and the worker can conveniently clean sludge in a pipeline.

The utility model provides an angle valve with high sealing performance and long service life, which belongs to the field of angle valves and comprises an angle valve body, an adjusting pipe is arranged on the angle valve body, an adjusting cap is arranged on the adjusting pipe in a matched manner, adjusting grooves are formed in two ends of the top of the adjusting cap, and positioning components are arranged in the two adjusting grooves; the positioning assembly comprises a shaft rod, a handle, a positioning block and an annular plate, the shaft rod is fixedly arranged in the adjusting groove, the end, penetrating through the handle, of the shaft rod is rotationally arranged, a torsional spring is arranged at the joint of the handle and the shaft rod in a matched mode, and a buckle assembly is arranged between the handle and the adjusting groove. According to the angle valve, the positioning assembly and the buckle assembly are arranged, the adjusting cap can be positioned, opening or closing of the angle valve caused by mistaken touch is avoided, stability is improved, the cleaning assembly is further arranged, the interior of the angle valve body can be cleaned and maintained conveniently, and practicability is improved.

The utility model provides an air pipe convenient to assemble, and relates to the technical field of air pipes, the air pipe comprises an air pipe main body, a rotating device is arranged at the top of the air pipe main body, a fixing device is arranged on one side of the air pipe main body, the rotating device comprises a round rod, the round rod is fixedly connected with the inner wall of the top of the air pipe main body, and an opening is formed in the inner wall of the air pipe main body. A baffle rotationally sleeves the surface of the round rod, a rubber frame is fixedly connected to the top, provided with an opening, of the air pipe body, rubber strips are fixedly connected to the two sides of the baffle correspondingly, sliding grooves are formed in the two sides of the baffle correspondingly, and clamping plates are slidably connected to the inner walls of the sliding grooves. The baffle is manually controlled to rotate on the surface of the round rod, then the baffle is well arranged at the opening formed in the top of the air pipe body, the baffle can be far away from the opening formed in the air pipe body through reverse operation, and then the interior of the air pipe body can be cleaned without detaching the air pipe body.

The utility model discloses an electric melting pipe fitting without setting welding time, and belongs to the technical field of electric melting pipe fittings. The pipe fitting comprises a pipe fitting body, the outer side wall of the pipe fitting body is provided with an electrode tip and a temperature sensing electronic element which can be fused when the sensed temperature reaches the set temperature, a resistance wire is embedded in the inner side wall of the pipe fitting body, one end of the resistance wire is connected with the electrode tip, and the other end of the resistance wire is connected with the temperature sensing electronic element; the outer side wall of the pipe fitting body is further provided with an observation hole used for conducting visual inspection on the welding fusion welding area. Welding time does not need to be set, welding can be carried out only by setting welding voltage, automatic circuit breaking can be carried out after welding meets the requirement, secondary welding cannot be carried out, and the conditions of over welding and under welding can be avoided at the same time; a convenient mounting position and a wiring position between the resistance wire and the temperature-sensitive electronic element can be provided for the temperature-sensitive electronic element; and the protection can be provided for electric connection parts such as a resistance wire and a binding post on the wiring terminal.

The utility model discloses a PE (Poly Ethylene) prefabricated hole water hose, which relates to the technical field of irrigation equipment and comprises a water hose main body, a plurality of prefabricated holes are arranged on the water hose main body at intervals, externally inlaid threaded seats are welded at the prefabricated holes by ultrasonic waves, and internal threads are arranged at through holes of the threaded seats. The threaded seat is connected with the first external thread of the connecting pipe through the internal thread, the upper end of the connecting pipe is provided with a second external thread connected with the pipe fitting, the tail end of the connecting pipe is provided with a filtering assembly, and a cleaning assembly is arranged in the connecting pipe. According to the design scheme, the first-stage filter screen filters large-particle silt and impurities, the inclined section at the bottom can prevent the impurities from being attached to the filter screen under the pressure of water flow and blocking the water flow, meanwhile, the impact of the water flow on the first-stage filter screen is relieved, the service life is prolonged, and the water flow drives the scraper to rotate through the impeller and the connecting rod; impurities at the secondary filter screen are scraped, the secondary filter screen is prevented from being blocked, the irrigation effect is prevented from being influenced, the maintenance frequency is reduced, and maintenance and replacement are convenient.

The invention relates to the technical field of valves, in particular to a linkage type intelligent adjusting control valve which comprises an intercepting pipeline, a butterfly plate and the like. And a butterfly plate is rotationally connected in the intercepting pipeline. When chemicals need to be added into water, the branch pipes are connected with the corresponding connecting cylinders, then the intercepting pipeline is blocked through the butterfly plate, the chemicals can be added into the mixing pipeline through the feeding pipeline, the chemicals and the water in the mixing pipeline are fused and then flow into the water pipe, the chemicals can be effectively and conveniently added into the water, and the chemical adding efficiency is improved. The initial concentration of the medicament in the water is detected through the detector located on the left side of the feeding pipeline, and then the concentration of the medicament in the water added with the medicament is detected through the detector located on the right side of the feeding pipeline, so that the adding amount of the medicament in the feeding pipeline can be dynamically adjusted through detection data of the detectors; therefore, the addition amount of the medicament is reasonable.

The utility model provides a pipeline interface filtering and cleaning device for building water supply and drainage, which belongs to the technical field of water supply and drainage pipeline filtering, and comprises a pipeline main body, an impurity discharge port, a water inlet, a water outlet and a water outlet, the impurity discharging opening corresponds to the impurity discharging bin; the filtering part comprises a sliding frame slidably connected to the inner wall of the mounting groove, a first filtering net fixedly connected to the inner wall of the sliding frame, fixing rods fixedly connected to the side wall of the sliding frame and symmetrically distributed about the central axis of the first filtering net, and fixing plates fixedly connected to the outer walls of the fixing rods, and the fixing plates are slidably connected with the pipeline body; the blocking part is connected to the impurity discharging opening in a sliding mode, and the blocking part is matched with the filtering part; according to the utility model, automatic cleaning of impurities is realized, the later maintenance cost is reduced, and the overall filtering effect is improved.

The invention relates to the technical field of valves, in particular to a dual-mode valve structure. Comprising a pipeline body, a first valve assembly, three second valve assemblies, an outlet flange and an inlet flange, and the first valve assembly and the three second valve assemblies are arranged on the pipeline body; the first valve assembly comprises a first valve shell, a first valve element, two first bearings, two first sealing pieces, an impurity smashing unit and a first valve rod, the first valve shell is connected with the pipeline body, the first valve element is rotationally arranged in the first valve shell and located between the two first sealing pieces, and the first valve rod is connected with the first valve element; the first valve element is provided with a plurality of filtering holes, the impurity smashing unit is connected with the first valve shell and located below the first valve shell, and through the arrangement of the structure, the effects that the filtering mode and the free circulation mode can be flexibly switched according to the working condition of a medium, the switching process is stable and free of impact, and the automatic impurity smashing function is achieved are achieved.

The water conservancy pipeline for the water conservancy project comprises two pipeline bodies and a sand accumulation pipe connected between the two pipeline bodies, the sand accumulation pipe is fixedly connected with the pipeline bodies through a plurality of bolts, and the upper end and the lower end of the sand accumulation pipe are fixedly connected with an upper expansion pipe and a desilting opening respectively. A T-shaped groove is formed in the upper surface of the lower desilting cover, a monitoring pipe vertically penetrates through the interior of the sand accumulation pipe, the lower end of the monitoring pipe is rotationally connected with the T-shaped groove, the upper end of the monitoring pipe movably penetrates through the upper desilting cover and extends to the upper portion of the upper expansion pipe, and a spiral cover covers the upper end of the monitoring pipe; the multiple light sensors are installed on the side wall of the desilting opening, the detecting ends of the multiple light sensors directly face the monitoring pipe, desilting can be conducted on the desilting opening with much silt without opening the desilting opening one by one, the workload of workers is effectively reduced, and meanwhile the desilting efficiency is improved.

The utility model discloses a double-lug-handle type hydraulic turbine steel pipe manhole door compression bolt stretching support which comprises a bearing beam (1), jacks (2) perpendicular to the bearing beam (1) are arranged on the two sides of the upper end of the bearing beam (1), a plurality of sets of balance beam supporting rods (3) perpendicular to the bearing beam (1) are arranged in the middle of the bearing beam (1), and balance beams (4) are arranged at the upper ends of the balance beam supporting rods (3). Ear handles (5) are symmetrically arranged in the balance beam (4), a guide seat (6) is arranged between the balance beam supporting rods (3), and a dial indicator support (7) capable of moving relative to the guide seat (6) is arranged in the guide seat (6). In the process of pulling the manhole door to move stably, the sealing threshold value of the manhole door can be detected, and leakage caused by failure of rubber on the manhole door due to the fact that the manhole door is pulled too tightly is avoided.

The utility model discloses an anti-clogging same-layer drainage pipe fitting with a water seal, which comprises a branch pipe and the water seal, the branch pipe is connected with a main vertical pipe through the water seal, the water seal is of a U-shaped cavity structure partitioned by a middle partition plate, and the water seal is respectively provided with a water inlet and an overflow port on the outer wall of the cavity on two sides of the middle partition plate; the water inlet is connected with a branch pipeline; the overflow port is enclosed by a horizontal pipe wall at the upper part, a side pipe wall and a vertical pipe wall at the lower part; the vertical pipe wall forms an overflow baffle; the water seal is additionally provided with a drainage area at an overflow port, the drainage area is located between the main vertical pipe and the water seal, and the drainage area extends outwards through a horizontal pipe wall, extends downwards and outwards through an inclined wall externally connected with an overflow baffle, and then is connected to the side wall of the main vertical pipe; the lower ends of the inclined walls intersect on the bottom edge of the water passing opening and are in smooth connection with the bottom edge of the water passing opening; the side pipe wall extends and then is connected with two side edges of the water passing opening. The utility model solves the technical problems of pipeline blockage and unsmooth flow of the same-layer drainage pipe fitting with the water seal.

The utility model relates to the technical field of connecting pipelines, and provides an anti-backflow device which comprises a pipe body, an access cover and a baffle, a flow channel is arranged in the pipe body, an access hole is formed in the peripheral side of the pipe body, and the access hole is communicated with the flow channel; the access cover comprises a cover plate and a fixing frame, and the cover plate abuts against the pipe body in a sealed mode and blocks the access hole; the fixing frame is fixedly arranged on the cover plate and connected with the pipe body in a clamped mode. The baffle is rotationally arranged in the flow channel and selectively blocks the flow channel. According to the anti-reflux device, the cover plate and the fixing frame are arranged, and the fixing frame is matched with the pipe body in a clamping manner, so that the cover plate can be quickly disassembled and assembled by utilizing the clamping and separation of the fixing frame and the pipe body, and the maintenance efficiency of the anti-reflux device is improved.

A water conservancy pipeline comprises a pipeline body, the interior of the pipeline body is divided into a filtering cavity I and a filtering cavity II through a filtering plate I and a filtering plate II, a vertical baffle is arranged in the filtering cavity I, a discharging hopper I is arranged below the vertical baffle and in the filtering cavity I, and a discharging opening I communicated with the discharging hopper I is formed in the bottom of the pipeline body; an inverted-L-shaped filtering plate is arranged in the filtering cavity II, a discharging hopper II is arranged below the inverted-L-shaped filtering plate and in the filtering cavity II, and a discharging opening II communicated with the discharging hopper II is formed in the bottom of the pipeline body; the filter plate I can preliminarily filter water, residues left after filtration fall into the discharge hopper I and are precipitated, the residues are cleaned by rotating the cover body, the filtered water is further filtered when passing through the filter plate II, similarly, impurities in the filtered water are cleaned out by rotating the cover body, and therefore the filter plate I can filter the water preliminarily, and residues left after filtration fall into the discharge hopper I and are precipitated. Impurities in water can be effectively treated, and the interior of the pipeline body is prevented from being blocked.

The utility model relates to the technical field of waste gas treatment, and discloses a flow guide structure of waste gas treatment equipment, which comprises a mounting frame, a flow guide mechanism is arranged on the inner side of the mounting frame, a sealing mechanism is arranged at the top of the flow guide mechanism, the flow guide mechanism comprises a conveying pipe, and the conveying pipe is fixedly connected to the inner side of the mounting frame. The waste gas treatment equipment comprises a conveying pipe, a first flow guide plate is slidably connected to the interior of the conveying pipe, a second flow guide plate is slidably connected to the interior of the conveying pipe, and a connecting pipe is fixedly connected to the left side of the conveying pipe. The first guide plates and the second guide plates are distributed on the right side in the conveying pipe in a vertically staggered mode, waste gas can be divided and steered multiple times, the flowing path of the waste gas is changed, the waste gas can evenly enter the conveying pipe at a certain angle, and it is avoided that the waste gas directly impacts the inner wall of equipment or a local area to form turbulent flow; the waste gas is promoted to be fully dispersed in the conveying pipe.