69 results about "Leaking water" patented technology

The utility model relates to the technical field of permeable pavement water seepage tests, in particular to a permeable pavement water seepage test bed, which comprises a base, a water seepage test bed and a water seepage test bed, a test structure is mounted on the inner side of the base and comprises a water collecting cover, the water collecting cover is fixedly mounted on the inner side of the base, a grid plate is fixedly mounted in the top surface of the water collecting cover, a water barrel is movably mounted in the upper end of the support, and a guide rod is fixedly connected to the outer wall of the water barrel; a spring is fixedly connected to the outer side of the upper end of the guide rod, a sealing ring adheres to the bottom face of the water barrel, a positioning block is welded to the middle of the top face of the base, and a graduated water barrel is installed on the inner side of the positioning block. According to the utility model, the water collecting cover is matched with the grid plate, so that pavement samples with different sizes can be supported, and during a test, leaked water spots can be collected through the water collecting cover, so that the water spots can be uniformly discharged in the graduated water bucket, and the test can be ensured to be smoothly carried out.

This application relates to the field of water supply network monitoring and leakage control technology, and provides a pipeline leakage monitoring method, device, terminal equipment, and storage medium. The method includes: acquiring first time-series noise data of the pipeline uploaded by multiple first monitoring devices; identifying leaks in the pipeline based on the first time-series noise data to obtain at least one second monitoring device that triggers a leakage event; wherein the second monitoring device is included within the first monitoring device; acquiring the first pipe segment monitored by each second monitoring device and the corresponding first material information of the first pipe segment; and calculating the probability distribution of the leakage point and the leakage impact area based on the first material information and second time-series noise data corresponding to each first pipe segment. This can improve the accuracy of leak point location and visually present the leakage range using a probability cloud map, realizing intelligent, visual, and efficient operation and maintenance of water supply pipeline leakage monitoring.

The utility model relates to the technical field of concrete production, in particular to a water supply device with a leakproof structure, which comprises a box body, a plurality of supporting legs are mounted at the bottom of the box body, an observation window is mounted at the bottom end of one side of the box body, a water outlet is mounted at the bottom end of the other side of the box body, and a cover door is hinged to the top of the box body. A door handle is installed at one end of the top of the cover door, a maintenance assembly is installed in the middle of one end of the upper surface of the box body, an alarm assembly is installed in the middle of one side of the box body, and a filtering assembly is installed at one end of the maintenance assembly. According to the improved water supply device, waste of a large amount of water resources is avoided, meanwhile, leaked water can be prevented from being accumulated into the water supply device, potential safety hazards such as electric leakage and short circuit are avoided, management personnel can be reminded in time to conduct maintenance work, impurities in water can be filtered out during water supply work, and the service life of the water supply device is prolonged. And the problem of device damage caused by impurity blockage is effectively avoided.

The utility model discloses a sectional type heating and ventilation radiator which comprises a mounting frame, a plurality of radiating fins are detachably arranged on the mounting frame, connecting pipes are arranged at the two ends of the radiating fins and the two ends of the mounting frame, a connecting structure is arranged on the mounting frame, and the connecting pipes are connected with the connecting structure. The connecting structure comprises a middle pipe, a supporting ring and a mounting ring, so that the two cooling fins can be conveniently connected through the connecting structure; the supporting rings, the mounting rings and the connecting pipes are matched with one another, a collecting structure is arranged at the bottom of the mounting frame, the collecting structure comprises a collecting box, a first heat conduction pipe and a second heat conduction pipe, a water drainage opening is formed in the collecting box, and the collecting box is connected with the mounting frame through bolts. And therefore, leaked water can be conveniently absorbed through the collecting structure.

The utility model provides a stop valve stem packing seal automatic hold-down device, including: valve body, protection device and extrusion device, protection device includes: protection cover, first seal cartridge, seal ring and seal ring, the protection cover is provided in the valve body, first seal cartridge is connected to the surface of protection cover in sliding mode, and the first seal cartridge is connected to the surface of the seal ring in sliding mode. The sealing ring is fixedly connected to one end of the first sealing sleeve, the sealing ring is fixedly connected to one end of the first sealing sleeve, the extrusion device comprises an adjusting groove, an extrusion spring and an adjusting sleeve, the adjusting groove is formed in the protective sleeve, and the extrusion spring is arranged in the adjusting groove. According to the automatic pressing device for the packing seal of the valve rod of the stop valve, the protective sleeve is matched with the first sealing sleeve, the sealing ring and the sealing ring to seal the extrusion spring, so that the situation that the spring is eroded by leaked water or other conveyed objects when the packing is abraded and leaks is prevented, and the service life of the extrusion spring is prolonged.

The invention relates to a leakage-proof building water supply and drainage structure, which relates to the technical field of building water supply and drainage, and comprises a drainage pipe mounted on a roof, an anti-permeation sealing ring mounted between the drainage pipe and the roof and used for sealing, a filtering mechanism mounted on the drainage pipe, and a sealing mechanism mounted on the roof, the sealing mechanism comprises a transparent collecting box which is mounted on the drainage pipe and is used for collecting leaked water, a transparent storage box which is arranged in the transparent collecting box, an air bag which is arranged between the anti-permeation sealing ring and the roof, and an inflating material which is filled in the transparent storage box and can react with the water to generate gas; the lower end of the transparent storage box is provided with a water inlet for water to enter, and the top of the transparent storage box is provided with an air delivery pipe communicated with the air bag. According to the structure, when the gap between the drainage pipe and the anti-permeation sealing ring is enlarged, the enlarged gap can be sealed, and water is prevented from permeating a house.

The invention belongs to the technical field of nuclear power station operation, and particularly relates to a method for maintaining a thermal state of a VVER nuclear power unit through an atmosphere release valve. Comprising the following steps that 1, after a primary loop reaches a hot state, the steam sides of four steam generators are separated from a main steam collecting pipe; 2, the temperature of the first loop is maintained within the thermal state temperature range through an atmosphere release valve; 3, primary loop leakage is supplemented in the form of distributing water to the drainage collecting box, and the liquid level of the primary loop is maintained; and 4, after the secondary loop rebuilds vacuum, the steam pipelines of the four steam generators are communicated with the main steam collecting pipe. The method has the beneficial effects that the extra cooling and heating process of the reactor after defect elimination can be avoided, and waste liquid generated in the process is greatly reduced; extra cooling and heating processes of the reactor can be avoided, and the unit starting time after overhauling is greatly shortened; the problem that the degasser cannot distribute water and only can supplement boric acid during a thermal state can be solved.

The invention relates to the technical field of poultry drinkers, in particular to a spherical sealing taper pipe thread type poultry drinker, which comprises a drinking unit, the drinking unit comprises a shell, a valve body is arranged in the shell, a first water control cavity is arranged in the valve body, the bottom of the first water control cavity is communicated with a second water control cavity, and the bottom of the second water control cavity is communicated with the conical pipe thread type poultry drinker. The bottom of the second water control cavity communicates with a rolling ball cavity, a first sealing ring is arranged in the rolling ball cavity, and a water control mechanism used for controlling drinking water to enter the valve body is installed in the first water control cavity. The reset action of the steel ball body can be smoother, the water flow speed is uniform and stable, the situation that poultry pecks and swings a head repeatedly due to unstable water flow is reduced, the water flow is controlled to be in a low-pressure outflow state all the time, the situation that feet or / and breasts of the poultry make contact with leaked water to cause diseases is avoided, water resources are saved, and the water resource utilization rate is increased. And the cleanliness around the device is improved.

A system and method for identifying the sources of leaking water in a home or other facility. In particular, the embodiments provide devices that can dye water in a plumbing system to provide a visual indicator of water that has leaked from a pipe. These include manifold assemblies with integrated injection devices, as well as stand-alone injection devices that can be coupled to individual pipes and / or pipe connectors.

The utility model relates to the technical field of drainage structures, and discloses a power distribution bus duct drainage structure which comprises a bus duct and a drainage assembly, the drainage assembly is arranged on the bus duct and comprises a water collection tank, the water collection tank is fixedly connected to the upper surface of the bus duct, and the bottom of the water collection tank is fixedly connected with an arc-shaped block. The drainage assembly comprises a water collection tank, the left surface and the right surface of the water collection tank are fixedly connected with water outlet tanks communicated with the water collection tank, the drainage assembly further comprises two rectangular plates, the two rectangular plates are fixedly connected to the lower surface of the bus duct, and T-shaped sliding plates are arranged on the lower surfaces of the two rectangular plates. According to the drainage structure of the power distribution bus duct, leakage water can be prevented from permeating into the bus duct for a long time, the drainage effect of the top of the bus duct is improved, the leakage water can be collected and prevented from falling into other places, centralized treatment of the leakage water is facilitated, and the practicability of the drainage structure of the power distribution bus duct is improved.

The application provides a smart water supply pipe network leakage monitoring and positioning system and method, relates to the technical field of monitoring and positioning, and is characterized in that information monitoring modules are arranged on the water supply pipe network, information of the water supply pipe network is monitored, water supply pipe network collection data is obtained, the water supply pipe network collection data is subjected to preliminary analysis and processing, and water supply preliminary processing data is obtained; water supply feature analysis and abnormality identification are performed according to the water supply preliminary processing data, water supply feature abnormality identification data is obtained, abnormality analysis and early warning are performed according to the water supply feature abnormality identification data, abnormality analysis and early warning data is obtained; water supply pipe abnormality positioning information is determined according to the abnormality analysis and early warning data, abnormality positioning and repair monitoring are performed according to the water supply pipe abnormality positioning information, positioning and repair monitoring data is obtained, the application can realize the intelligent monitoring and positioning technology of active monitoring, accurate identification, efficient positioning and closed-loop operation and maintenance, and improves the intelligent operation and maintenance level and operation reliability of the water supply pipe network.

The utility model relates to an anti-side-leakage overturning type cup cover which comprises a bottom cover, an installation hole is formed in the bottom cover, a suction pipe is fixedly arranged in the installation hole in a penetrating mode, and a suction nozzle is fixedly arranged above the suction pipe in a sleeved mode. The sealing assembly is arranged above the bottom cover, the sealing assembly is used for sealing the suction nozzle, the sealing assembly comprises a fixing sleeve and a top cover, the fixing sleeve is fixedly arranged above the bottom cover, the top cover is hinged to the upper portion of the fixing sleeve, the top cover is arranged above the mounting hole and the suction nozzle in a covering mode, and a sealing plug is fixedly arranged in the top cover; by using the sealing assembly and the fixing assembly, the cup cover can be better protected against side leakage, liquid in the cup is prevented from leaking out of a straw opening in the cup cover when the cup inclines, sealing of the liquid in the cup is improved, meanwhile, the closed cup cover can be better protected against touch opening, and the cup cover is protected from being damaged. Water leakage caused by accidental opening of the cup cover is prevented, the self-locking effect of the cup cover can be further improved, and the cup cover is convenient to use.

The utility model discloses a polyethylene plastic pipe connecting device, and relates to the technical field of plastic pipe installation. Comprising a connecting pipe, fixing pipes are arranged at the two ends of the connecting pipe, fixing covers are arranged on the outer sides of the fixing pipes, and mounting grooves are formed in the inner walls of the two ends of the fixing pipes; the mounting assembly is arranged on the outer side of the connecting pipe and used for communicating the plastic pipe, the mounting assembly comprises an extrusion part and a fixing part, the fixing part is arranged in the connecting pipe and used for supporting the plastic pipe, and the extrusion part is arranged on the outer side of the fixing part and used for connecting the extrusion part with the plastic pipe. Through the arrangement of the extrusion piece and the fixing piece, the extrusion cover, the extrusion cushion, the sealing ring, the supporting pipe, the abutting cushion and the adjusting pipe are matched, so that the plastic pipe is supported while being connected, the plastic pipe is prevented from being stressed and deformed in the connecting process, and the service life of the plastic pipe is prolonged. And a gap is formed between the plastic pipe and the joint, so that the plastic pipe leaks water.

To provide an externally installed lint filtration device, washing system, and control method. [Solution] The solution comprises an externally installed lint filter (20), a washing system, and a control method. The lint filter (20) includes a filtration module (600) and a detection module. The aforementioned filtration module (600) receives and filters the water to be filtered, and the lint filter (20) has a water intake (22) that communicates with the filtration module (600) and is connected to an external connection pipeline. The aforementioned detection module is for detecting whether the water intake (22) is properly connected to the external connection pipeline. The externally installed lint filter (20) can be directly connected to the washing equipment (10), thereby realizing the filtration function without occupying the internal space of the washing equipment (10). Furthermore, by installing the detection module, the problem of the lint filter (20) leaking water at the water intake (22) position and being unable to perform an effective filtration function when the water intake (22) is not properly connected to the external connection pipeline can be avoided.

The utility model discloses a leakage detection and water collection device for a granary. The device comprises a support and a water collecting barrel, the water collecting barrel is located in an inner cavity of the support, color developing paper is arranged at the upper end of the support, the color developing paper is correspondingly arranged above the water collecting barrel, and a through hole is formed in the middle of the color developing paper; when water drops on the display paper, irreversible color change occurs, the water also flows into the water collecting barrel along the display paper, and a worker can monitor and check through a video and also can manually inspect arrangement points. Through the preset arrangement points, even if water stains are dry, the water leakage position of the warehouse can be found in time, the risk that manual inspection cannot be carried out is reduced, leaked water can be collected in the water collecting bucket, economic losses caused by water leakage are avoided, and workers are reminded to check and repair leakage in time.

The utility model relates to the technical field of constructional engineering, in particular to a constructional engineering water supply, drainage, heating and ventilation reserved sleeve device which comprises a reserved sleeve, two mounting plates are arranged on the outer wall of the reserved sleeve, the two mounting plates are arranged on the same cross section of the reserved sleeve, and the two mounting plates are symmetrically distributed. A mounting hole is formed in the surface of the mounting plate, and the inner ring wall of the mounting hole is a threaded surface. When the reserved sleeve is used for installing the heating and ventilation pipe, the heating and ventilation pipe can be stably installed in a wall body, the reserved sleeve is also composed of a multi-layer structure, and the outer layer structure made of stainless steel materials can have enough compressive strength and good corrosion resistance. The waterproof layer made of the high-density polyethylene material can prevent leaked water from corroding the wall body when leakage occurs in the local position of the heating and ventilation pipe, and the heat preservation layer made of the polyurethane foam material can reduce heat conduction of the wall body and heat conveying loss when the heating and ventilation pipe conveys heat.

The utility model relates to a cover body part, a heating body assembly and drinking water equipment. The cover body part comprises a main body structure; the pipeline structure protrudes out of the main body structure in the vertical direction, and a water through opening is formed in the end, away from the main body structure, of the pipeline structure; wherein the cover body piece is provided with a water guide opening and a water drainage opening communicated with the water guide opening, the water guide opening is located below the water through opening, the plane where the water guide opening is located intersects with the vertical direction, and at least part of the side wall of the pipeline structure extends to the water guide opening from the water through opening. According to the water dispenser, the water outlet is arranged, so that leaked water can be discharged to a specified position through the water outlet, the situation that the leaked water does irregular motion along the surface of the cover body part, and consequently the leaked water drops to electrical components in the water dispenser is avoided, normal use of the water dispenser is guaranteed, and potential safety hazards such as short circuit and electric leakage are reduced.

This utility model discloses a sewage floating debris cleaning device, relating to the field of sewage treatment technology. It includes a sewage treatment tank, with a filter cylinder rotatably connected to the top of the tank. The filter cylinder has several evenly distributed drainage holes on its surface. A tilting drive mechanism is installed on the sewage treatment tank. A delivery pipe located in the middle of the filter cylinder is installed on the left and right sides of the sewage treatment tank via support frames. This utility model drives the filter cylinder to rotate via the tilting drive mechanism, causing the rolling plate, under the elastic action of the elastic element, to collect and tumble the floating debris and other waste screened out by the filter cylinder. When the floating debris tumbles above the conveying mechanism, some of it falls onto the conveying mechanism under its own weight and the action of the scraper, and is then transported to a collection component for collection and processing. By continuously screening out floating debris from the sewage and simultaneously transporting and collecting it, the sewage can be continuously filtered without causing filter clogging.

The present application relates to a kind of dam leak fast plugging method, belong to dam emergency technology field in water conservancy engineering, IPC classification number E02B3 / 16, E02B1 / 00.The plugging method of the present application adopts the assembly type dam leak step-by-step plugging device and is composed of traction water delivery rope, salvinia leaf, load-bearing water delivery rope and high water-absorbing resin ball, keeps suspended state in water body after being assembled, when moving to the vicinity of leak water inlet, water flow suction will high water-absorbing resin ball and load-bearing water delivery rope be pulled into dam leak, salvinia leaf sinks and is fixed outside water inlet side.Water is injected into high water-absorbing resin ball through traction water delivery rope, high water-absorbing resin swells quickly when meeting water.Limited by positioner, after high water-absorbing resin ball swells, spherical body mainly develops in transverse direction, and the fitting degree of spherical body and leak hole wall soil can be enhanced by positioner net structure.After multiple high water-absorbing resin balls swell and absorb water, series closed space is formed in hole, and step-by-step plugging and step-by-step closed gas integration operation of leak are realized.

The invention discloses a surface cleaning system, and belongs to the technical field of cleaning appliances, the surface cleaning system comprises a sewage suction port and a sewage cavity communicated with the sewage suction port, the sewage cavity is communicated with the sewage suction port through a sewage suction channel to store sewage sucked from the sewage suction port, the sewage cavity discharges the sewage through a sewage discharge channel, and the sewage discharge channel is further provided with a power cavity and a switching device. The surface cleaning system comprises a power cavity, a sewage cavity and a switching device, the switching device acts to enable the power cavity and the sewage cavity to have a communicated sewage suction state and a separated isolation state, and the surface cleaning system further comprises a pressure reducing device. And when the power cavity is switched to the sewage suction state, sewage in the sewage cavity is sucked into the power cavity through the pressure difference and then is discharged. In the sewage discharging process, sewage is rapidly discharged from the sewage cavity under the pressure difference effect of the power cavity and the sewage cavity, the pressure effect borne by the sewage cavity is small, deformation caused by the high pressure effect is avoided, and the possibility of water leakage and gas leakage of the sewage cavity is reduced.

The utility model discloses a multifunctional detection device suitable for a stainless steel vacuum cup, which relates to the technical field of stainless steel vacuum cup detection and comprises a detection frame, support frames are symmetrically and fixedly connected to the bottom of the detection frame, a motor is fixedly connected to one side of the interior of the detection frame, and most of the motor extends into the detection frame. And a detection mechanism is arranged in the detection frame, the detection mechanism comprises a rotating assembly and a fixing assembly, and the outer side of a rotating plate is rotationally connected with a pulling plate. According to the multifunctional detection device suitable for the stainless steel vacuum cup, the air tightness of the vacuum cup can be detected through the arranged detection mechanism, if the vacuum cup leaks water, the vacuum cup seeps water under violent shaking, otherwise, the vacuum cup does not seep water, and the air tightness of the vacuum cup before leaving a factory is ensured to reach the qualified standard; and the water seepage situation during use of customers is avoided, the structure is simple, and the practicability is high.

The embodiment of the present application discloses a condenser and a clothes processing device, the condenser comprises a first sub-shell and a shell part; the shell part is arranged on the first sub-shell and forms a condensing channel with the first sub-shell, and the first sub-shell or the shell part is provided with a water inlet hole; wherein the shell part and / or the first sub-shell further define a water inlet cavity and a water spraying port, one end of the water inlet hole penetrates through the outer side wall of the condenser, the other end communicates with the water inlet cavity, the water inlet cavity communicates with the condensing channel through the water spraying port, and external cleaning liquid can flow through the water inlet hole and be sprayed out through the water spraying port. The condenser of the embodiment of the present application is beneficial to reducing the cleaning dead angle in the condenser, and is also beneficial to reducing the production cost of the condenser and reducing the probability of the condenser from leaking water and air.

The utility model relates to the technical field of rainwater collection, in particular to an environment-friendly rainwater collection device for municipal engineering. The planting box has the advantages that the gathering hopper can be gathered into the planting box through the connecting supporting pipes, leaked water is guided into the water storage tank, rainwater or irrigation water is collected, water flow loss is prevented, meanwhile, water in the water storage tank can be absorbed through the wetting cotton strips in the dry season, and the planting box is convenient to use. Water is supplemented into soil on the inner wall of the planting box through the infiltration effect of the infiltration cotton cushion, meanwhile, if the air temperature rises, water in the water storage tank evaporates upwards, the soil can be kept moist, and therefore the water retention effect is improved, and the irrigation frequency is reduced; a plurality of water storage tanks of the rainwater collecting device can be connected in series to form a huge rainwater collecting space, so that water can be uniformly distributed for uneven rainfall or irrigation, and uneven water distribution is prevented.

The application discloses a firing forming method of end inkstone stone powder, and belongs to the technical field of waste resource utilization and ceramic product manufacturing. The method aims to solve the problem of direct discarding of a large amount of stone powder waste generated in the process of end inkstone carving, resource waste and environmental pollution. The technical scheme of the application is as follows: the end inkstone stone powder waste is collected, powdered, and sieved for raw material pretreatment; the obtained powder is mixed with water, and the mixture is left to stand and dehydrated to obtain plastic mud; then the mud is formed and dried, and then sintered under a specific temperature curve, and finally a ceramic product with a compact structure is obtained. Through the above-mentioned pure physical preparation and sintering process, the application realizes efficient recovery and high-value utilization of the end inkstone stone powder, the obtained product has excellent performance, has the characteristics of not leaking water, can be used as a living utensil or a decorative product, and meets the green manufacturing concept. The process flow chart of the application is shown in FIG. 2.

The invention provides a light material collecting device of a fan blade crushed material water separator, which comprises an elevator, an automatic scraper plate and a belt dryer, the elevator is arranged at a light material outlet of a water separation tank, the bottom of the elevator is fixedly connected with a plane sieve plate, and light materials floating on the water surface are lifted to the liquid level through the plane sieve plate. The automatic scraping plate is arranged on one side of the elevator and connected with the first hydraulic cylinder, and when the plane sieve plate is lifted to the position close to the automatic scraping plate in the horizontal direction, the automatic scraping plate stretches out and scrapes light materials on the plane sieve plate outwards. The belt dryer is arranged outside the discharging end of the water separation pool, and the automatic scraper plate scrapes light materials on the plane sieve plate to the feeding end of the belt dryer. In the process that the light materials are lifted upwards, water carried by the light materials leaks downwards through the sieve holes of the plane sieve plate, the amount of water carried by the light materials can be reduced, excessive water is prevented from being discharged, and follow-up drying of the light materials is facilitated.

The utility model belongs to the technical field of building fire water supply, and provides a leak-proof building fire water supply device which comprises a valve body, a data box and a data transmission end. The valve body is provided with two connectors, the valve body is connected with the two connecting pipes through the two connectors, and flow sensors are arranged in the two connecting pipes; the data box is arranged on the valve body, and a control module is arranged in the data box. According to the building fire water supply device, the valve bodies are connected to a plurality of proper positions of a fire pipe network, meanwhile, the flow sensors are arranged in the pipe, the flow in the pipe is monitored in real time, information is transmitted to the control module in the data box, and when the flow monitored by the flow sensor at a certain position in the pipe network is different from the flow monitored by the adjacent flow sensor, the control module is started; the control module transmits information to maintenance and management personnel through the data transmission end to quickly lock the water leakage pipe section, so that the water leakage pipe section can be found at the first time, and overhaul and maintenance can be carried out on the pipe section or the valve body between the two flow sensors.

A method for estimating a mass m of leaked water from a pipeline valve per unit time based on an enthalpy difference for the mass m of leaked water, between a starting point of the pipeline and a valv

The utility model relates to the technical field of upright lockrand metal roof construction, in particular to an upright lockrand metal roof system, which comprises a main steel structure, a keel adapter is mounted on the main steel structure, a main keel is mounted on the keel adapter, and a profile steel bottom plate is fully paved above the main keel. A plurality of groups of profiled steel bottom plates are arranged on the main keel, the profiled steel bottom plates are fixed on the main keel through stainless steel screws at lap joint positions of the plurality of groups of profiled steel bottom plates, and a T-shaped code fixing support is arranged above the profiled steel bottom plates. And meanwhile, measures are taken to block and seal the position where the waterproof layer of the support is broken, it is guaranteed that in the normal service life, a waterproof layer system is sealed, does not leak water and has ductility, and the whole structure better meets the requirements for attractive building modeling and durable performance.

The present application relates to a kind of sewage tank buoy, sewage tank and cleaning appliance, buoy includes buoy main body, sealing element, the inside of buoy main body is hollow;Sealing element is connected at the top of buoy main body, sealing element includes annular ring body, ring body has flanging, flanging extends in the direction away from the outside of the top of buoy main body;Sewage tank, including tank, buoy, tank has first inlet, first outlet, sewage area is formed in the inside of tank, first inlet, first outlet communicate sewage area, buoy is set in sewage area, and first outlet can be opened or closed according to buoyancy.This application is firmly attached to the sealing position on the sewage tank by the sealing flange of buoy, the greater the suction, the better the sealing, not easy to leak air and water, especially can seal sewage, so that water is isolated to the inside of sewage tank, will not be sucked to host, prevent damage to the host of cleaning equipment, its structure is simple, and the sealing effect is good.

The utility model provides a through-wall pipeline plugging device which comprises a functional cover arranged at the tail end of a working pipe, an operation opening is formed in the lower portion of the functional cover, a control valve is installed at the operation opening, a liquid storage cavity is formed between the functional cover and an inner sleeve, and the liquid storage cavity communicates with the operation opening. The functional cover comprises an arc-shaped plugging plate, a top plate is arranged between each end of the upper portion of the plugging plate and the inner sleeve, an end plate is arranged at the end, away from the working pipe, of the plugging plate, and the gap between the plugging plate and the inner sleeve is gradually increased from the side close to the working pipe to the side away from the working pipe. The through-wall pipeline plugging device is simple in structure and reasonable in design, the functional cover is welded to the tail end of the working pipe, so that a closed space is formed in the functional cover, when the through-wall pipeline plugging device is welded, leaked water flow is allowed to be discharged through the operation opening, and after the plugging device is welded, the operation opening is closed through the control valve, so that the sealing effect is achieved. And the construction operation is simple, and time and labor are saved.