4883 results about "Drain tube" patented technology

An elongated floor cleanout assembly includes a drain assembly. The drain assembly has a body assembly and a grating cover secured to the body assembly by at least one screw. The drain assembly also has a cap enclosing the drain assembly and secured to the grating cover by the at least one screw. The cap defines at least one slit having an arcuate portion and an end. The at least one screw is captured in the arcuate portion and the cap can be rotated to selectively allow the at least one screw to freely pass through the end for removal of the cap without removing the at least one screw.

The invention relates to the technical field of drainage pipe network defect detection and computer vision, in particular to a drainage pipe network defect detection method based on data optimization and multi-model fusion, and the method comprises the steps: collecting a video in a pipeline through a detection robot, and carrying out the frame extraction to obtain an original image; carrying out the quality optimization of the image through employing a lens fouling restoration algorithm, an image defogging algorithm and an illumination enhancement algorithm; positioning a defect area by using the target detection model, and performing pixel-level segmentation through the U-Net semantic segmentation model to obtain a defect contour; visual features and morphological features are extracted, feature fusion is carried out in combination with an attention mechanism, and finally a classifier is input to realize accurate identification of defect types. Targeted solutions are provided for multiple common imaging defects in the drainage pipe network, the method can adapt to complex and changeable actual detection environments, good generalization ability and practical value are achieved, and reliable technical support can be provided for intelligent operation and maintenance of the urban drainage pipe network.

The invention discloses a sponge city rainwater treatment system based on big data, which comprises a data acquisition module, and relates to the technical field of sponge city rainwater treatment.In a rainwater purification module, an automatic purifying agent adding program is started, so that the rainwater purification efficiency is improved, and rainwater is accelerated to flow into the rainwater purification module; a water storage space is vacated for a rainwater regulation and storage facility; a drainage valve of the drainage pipe is in a semi-open state, rainwater overflow in the rainwater regulation and storage facility caused by the fact that a large amount of initial rainwater rapidly flows into the rainwater regulation and storage facility is avoided, and the rainwater is dredged in order; when the time is within the overflow risk time period and reaches the dynamic early warning threshold value, the rainwater is further dredged through the fact that the drainage valve of the drainage pipe is in a full-open state and the operation power of the pump station is increased; at the moment, the rainwater regulation and storage facility conducts intermittent drainage, the time needed for reducing the water stored in the rainwater regulation and storage facility to be below the early warning threshold value is shortened, and the urban waterlogging risk is reduced.

The utility model discloses a pulse type cloth bag dust removal device with a cooling structure, relates to the technical field of dust removal devices, and aims to solve the problems that in the prior art, when high-temperature flue gas is subjected to dust removal treatment, the temperature in the device is increased, so that the dust removal efficiency is influenced, and the aging and abrasion of a cloth bag are accelerated. An ash hopper is fixedly installed below the device box body, an air inlet pipe is fixedly installed on one side of the ash hopper and extends into the ash hopper, a first water tank and a second water tank are symmetrically and fixedly installed below the two sides of the device box body respectively, and a water inlet pipe is fixedly installed below one side of the first water tank. A drainage pipe is fixedly installed above one side of the second water tank, a first temperature guide plate and a second temperature guide plate are fixedly installed on the two sides of the lower portion in the device box body along one side of the first water tank and one side of the second water tank respectively, a cooling folded plate is arranged in the device box body, and a water cavity is formed in the cooling folded plate.

The invention discloses a flocculation sedimentation tank for sewage treatment in oxford fabric production, and belongs to the technical field of oxford fabric production, the flocculation sedimentation tank comprises a tank body, a water inlet pipe is arranged on the upper side of one end of the tank body, a drainage pipe is arranged on the lower side of the other end of the tank body, and isolation plates are mounted on the two sides in the tank body; according to the invention, by arranging the collecting assembly, a collecting box is placed on a lifting plate, and supporting strips on two sides of the lower end of the collecting box enter grooves in the upper end of the lifting plate, so that the collecting box and the collecting box can be separated into a first water storage tank, a second water storage tank and a third water storage tank; a first magnetic strip at the lower end of a supporting strip and a second magnetic strip in a groove are adsorbed to adsorb and fix a collecting box, flocculation groups are guided into the collecting box through an inclined plate during flocculation work, meanwhile, when a lifting plate ascends, the inclined plate moves to clean the side edge of a separation plate, and the collecting box can be taken out of the lifting plate through a lifting rod to be cleaned. By arranging the mounting assembly, flocculation groups can be collected, and centralized collection and cleaning of the flocculation groups are facilitated.

A self-cleaning method of a washing machine comprises the steps that after each washing procedure is finished, a system automatically detects the real-time humidity and the residual dirt concentration of an inner container of the washing machine, if the humidity is higher than a preset threshold value and the dirt concentration exceeds a datum line, an ultraviolet disinfection process is automatically triggered, UV-C lamp tubes installed on the top and the side wall of the inner container are started for irradiation sterilization, and the ultraviolet disinfection process is stopped; the duration time is 10-30 minutes, the built-in water flow nozzle module is activated in a set period or when a high dirt accumulation level is detected according to dynamic adjustment of the environment temperature and humidity and the use frequency, and the wall face of the inner container, the door seal ring and the drainage pipeline are flushed in all directions through high-pressure pulse water flow. According to the invention, the fundamental conversion from passive response to active prevention is realized, the equipment can perceive the environmental state of the inner container in real time by integrating a multi-dimensional sensor network and an AI prediction model, trend pre-judgment is carried out based on big data of user use habits, water quality conditions and washing modes, and a cleaning program is started when pollution does not appear so as to nip in the bud.

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The utility model relates to the technical field of drainage pipelines, in particular to a self-cleaning drainage pipeline which comprises a pipeline body provided with a water inlet end and a water outlet end, a shell is arranged on the outer wall of the pipeline body, a filter plate is detachably connected in the shell, and a cleaning mechanism is arranged on the inner wall of the pipeline body. The cleaning mechanism comprises two lantern rings, the interiors of the two lantern rings are rotationally connected with a rotating shaft, the end, close to the filter plate, of the rotating shaft is fixedly connected with a brush plate abutting against the filter plate, the outer wall, close to the water inlet end, of the rotating shaft is fixedly connected with a plurality of paddles, and the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods; the paddle driven by water flow is linked with the rotating shaft to synchronously drive the brush plate and the spiral scraping plate to rotate, so that automatic brushing of the filter plate and continuous scraping of impurities on the inner wall of the pipeline are realized. External electric power or mechanical power is replaced with fluid kinetic energy, self-cleaning is completed under the condition of zero extra energy consumption, and filter plate pore blockage and pipe wall sediment accumulation are effectively avoided.

The utility model discloses a side flushing bubble cleaning device for prune production, which comprises a cleaning bin used for containing cleaning liquid and fresh prunes, a filter screen capable of swinging is mounted in the cleaning bin, and a discharge port used for discharging the fresh prunes is arranged on the side wall of the cleaning bin; the gas spraying pipe can spray gas outwards and is rotationally connected with the side wall of the cleaning bin, gas spraying plates capable of spraying gas to the side end are arranged at the two ends of the gas spraying pipe, and the gas spraying plates communicate with the gas spraying pipe; the water inlet drainage pipe can inject cleaning liquid into the cleaning bin and is arranged at the top end of the side wall of one end of the cleaning bin; the drainage pipe is arranged on the bottom surface of the side wall of the cleaning bin, and the drainage pipe and the water inlet drainage pipe are oppositely arranged. The prune fresh fruit cleaning device has the advantages that bubbles can be sprayed out in the horizontal direction and the vertical direction in cleaning liquid, contact between prune fresh fruits and the cleaning liquid can be improved, and the cleaning effect and the cleaning efficiency are improved.

The utility model discloses a vertical steam-water separator which comprises a tank body, the tank body is communicated with a steam inlet pipe, an exhaust pipe and a drain pipe, a baffle plate for dividing the tank body into an inner cavity and an outer cavity is arranged in the tank body, and a heat insulation material is packaged in the inner cavity, so that the baffle plate can be kept in a high-temperature state. And water vapor entering the tank body is prevented from being cooled and condensed on the surface of the baffle plate with relatively low temperature. The inner cavity is fixedly arranged on the tank body through two nested and separated barrels, a through hole is formed between the two barrels, high-temperature water in the steam-water separator can be kept for a period of time in the tank body through the two barrels, continuous evaporation of the high-temperature water is facilitated, after the liquid level exceeds the through hole, the electronic liquid level meter sends out a signal, the PLC control system opens the electronic valve, and the steam-water separator is started. The drainage work is completed through the siphon principle.

The utility model relates to the field of sewage treatment, in particular to a sludge discharge device for sewage treatment, which comprises a sludge treatment box, a sewage inlet pipe and a collection box, the sewage inlet pipe is arranged on the left side of the sludge treatment box, a sewage pump is mounted on the sewage inlet pipe, and a waterproof servo motor and a filter pressing plate are arranged in the sludge treatment box. The sewage treatment device disclosed by the utility model has the beneficial effects that the filter pressing plate and the waterproof servo motor are matched for use, so that impurities in sewage can be quickly and effectively separated from a water body, and the sewage treatment efficiency is improved; the design of the movable baffle can prevent sludge from entering the sewage inlet pipe or influencing the normal operation of the scraper, so that the smooth operation of the system is ensured; and the arrangement of the telescopic hose, the drainage pipe and the water pump ensures the effective discharge of the filter-pressed clear water without manual intervention, so that the automation degree is improved.

The utility model discloses energy-saving deodorization type sewage treatment environment-friendly equipment, which particularly relates to the technical field of sewage treatment and comprises a reaction barrel, a support frame fixedly connected to the outer side of the reaction barrel, a connecting hopper communicated to the top end of the reaction barrel, the connecting hopper and the reaction barrel are fixedly connected through bolts, one side of the connecting hopper is communicated with an exhaust pipe, and the bottom end of the reaction barrel is communicated with a drainage pipe. The top end of the reaction barrel is communicated with a filter box, a filter assembly is mounted in the filter box, a circulating mechanism is mounted on the outer side of the reaction barrel, and a first deodorization layer, a second deodorization layer and an activated carbon filter plate are mounted in the reaction barrel. By arranging the filtering assembly and the circulating mechanism, large solids in sewage can be effectively filtered, so that the content of the solids in the sewage can be reduced, the service life of equipment is prolonged, meanwhile, the sewage circularly flows among the first deodorization layer, the second deodorization layer and the activated carbon filter plate, and the sewage treatment efficiency is improved. The full contact of the sewage with the adsorption material and the microorganisms is ensured, so that the treatment efficiency is improved.

The sesame oil heat dissipation device comprises a water tank and a rotating power mechanism, a water adding pipe is installed at a water adding opening in the upper end of the left side of the water tank, a water draining pipe is installed at a water draining opening in the bottom end of the right side of the water tank, and a first valve is installed on the water draining pipe; the sesame oil cooling device comprises a water tank, an oil inlet pipe is rotationally connected to the middle of the upper side of the water tank, an oil adding hopper is installed at an oil adding opening in the upper end of the oil inlet pipe, the bottom end of the oil inlet pipe extends into the water tank, the side face of the bottom end of the oil inlet pipe communicates with at least four connecting pipes, and the connecting pipes are arranged around the center axis of the oil inlet pipe at equal intervals in an array mode. By arranging the rotating power mechanism, the oil inlet pipe, the connecting pipe, the upper annular oil pipe, the oil distributing pipe, the lower annular oil pipe and the oil outlet pipe can be driven to rotate, the sesame oil makes full contact with cooling water, the cooling efficiency is effectively improved, and by arranging the oil distributing pipe, the sesame oil can make contact with the cooling water as much as possible.

The invention discloses a centrifugal machine for sludge dewatering, belongs to the technical field of sludge dewatering, and aims to solve the problems that when the centrifugal machine for sludge dewatering is used, sludge on the inner wall of a rotary drum can be gradually compacted to form a filter cake layer, particles in the filter cake layer easily form a bridging structure at an inlet of a through hole, and the sludge dewatering efficiency is affected. A controller is arranged on the outer wall of the supporting frame, a cylinder is arranged in the supporting frame, one side of the cylinder communicates with a drainage pipe, a first driving assembly is arranged in the cylinder, a dewatering assembly is arranged on one side of the first driving assembly, a second driving assembly is arranged in the cylinder and rotationally connected with the cylinder, and a sewage pumping assembly is arranged at the top of the supporting frame. According to the invention, dual blockage clearing of crushing blockages by the conical rod and purging by high-pressure gas is conveniently realized, shutdown disassembly is not needed, continuous smoothness of the water outlet hole is guaranteed, stable efficiency of centrifugal dewatering is maintained, and the dewatering effect is enhanced.

The invention relates to the field of drainage pipe network traceability, in particular to a drainage pipe network inflow and seepage traceability analysis method and system. The method comprises the steps that a drainage pipe network time sequence monitoring data set is acquired, water quality parameter concentration changes in the drainage pipe network time sequence monitoring data set are analyzed, and pollutant instantaneous dilution is generated; obtaining an infiltration water quality fingerprint database, performing correlation analysis on the pollutant instantaneous dilution degree and the infiltration water quality fingerprint database, and determining water quality infiltration fingerprint similarity; on the basis of the water quality infiltration fingerprint similarity, the contribution change of external water inflow to the drainage pipe network flow is speculated, and a flow rainfall response coefficient is generated; and based on the flow rainfall response coefficient and the water quality infiltration fingerprint similarity, carrying out comprehensive traceability analysis, and generating an inflow and infiltration traceability analysis report. According to the method, in the inflow and infiltration traceability process, dynamic contributions of different external water bodies can be accurately stripped and quantified, and economic waste and potential safety hazards are avoided.

The invention belongs to the technical field of water supply and drainage devices, and discloses an energy-saving building water supply and drainage device with rainwater collection and utilization, one end of a treatment box is connected with a rainwater collection pipe and a kitchen wastewater collection pipe, the other end of the treatment box is connected with a drainage pipe, and a water collection tank is fixed on the inner wall of one end of the treatment box; a water outlet pipe is arranged at the lower end of the water collecting tank, and a water wheel is rotationally connected below the water outlet pipe; a central shaft of the water wheel is rotationally connected with the treatment box; a guide plate is arranged below the water wheel, a water outlet cavity is arranged between the guide plate and the inner bottom surface of the treatment box, and the drainage pipe is communicated with the water outlet cavity; a first filter screen is arranged at the other end of the flow guide plate, a brush is installed on the center shaft, and brush avoiding openings are formed in the portions, on the two sides of the brush, of the water flow partition plate; filter screen frames are placed in the areas on the two sides, and impurity inlets corresponding to the brush avoiding openings are formed in one sides of the filter screen frames. Impurities cleaned by the device are convenient to clean.

The utility model discloses a mine tunnel device for controlling mine ground pressure and a rock stratum, which is characterized in that through the arrangement of structures such as a driving paddle, a transmission component, a rotating shaft, a moving shaft, a cleaning plate, a cleaning brush and a filter plate, the filter plate is arranged on a water outlet to filter running water; the large particles in the flowing water can be conveniently separated, the situation that the drainage groove and the drainage pipe are blocked by the large particles in the flowing water, and consequently the drainage groove and the drainage pipe are blocked by water which cannot flow is avoided, and meanwhile in the using process, the driving shaft is driven by the flowing water to rotate, and the driving shaft drives the rotating shaft to rotate; the rotating shaft drives the cleaning brush on the cleaning plate to clean the filter plate, so that the filter plate can be effectively prevented from being blocked by large particles in flowing water, the situation that water cannot normally flow downwards is avoided, meanwhile, the flowing water is used as a driving power source, and existing resources can be effectively, reasonably and fully utilized.

The multifunctional partitioned temperature control medical storage cabinet comprises a multifunctional medical temperature control cabinet, and a drying mechanism and a heat dissipation auxiliary mechanism are arranged in the multifunctional medical temperature control cabinet; according to the multifunctional partitioned temperature control medical storage cabinet, by arranging the drying mechanism, the heat dissipation auxiliary mechanism and the cleaning mechanism, the multiple improvement effect on the environment in the cabinet is achieved, firstly, a motor drives a lead screw to drive a support to move, a cleaning wiping plate can be periodically attached to the back face of the partitioned storage cabinet, condensate water formed due to temperature difference is cleaned and scraped, and the cleaning effect is improved; according to the drying device, local moisture accumulation caused by long-term adhesion of water drops is avoided, the mildew risk is reduced from the source, meanwhile, condensate water is extruded to flow into the water storage tank and is discharged through the drainage pipe, the internal humidity control capacity is further improved, and then the drying box is heated by the heating plate, so that drying agent particles continuously keep active; and the transmission plate drives the transmission ring and the transmission blades to rotate to stir the drying agent particles, so that moisture absorption is more uniform and efficient.

The invention provides a sewage treatment device based on phycomycete granular sludge, which comprises a base, a water inlet pipe, a water outlet pipe, and a first cylinder, a second cylinder and a third cylinder which are mounted on the base and are sequentially arranged from inside to outside in a sleeving manner, and a primary reaction area, a light supplementing area and a secondary reaction area are sequentially formed from inside to outside; sewage in the primary reaction area can overflow into the secondary reaction area from the top of the light supplementing area; the water inlet pipe supplies sewage to the primary reaction area; a drainage pipe is used for draining water from the secondary reaction area; the light supplementing area supplements light to the primary reaction area and the secondary reaction area at the same time; the reactor further comprises an aeration assembly and a guide cylinder, the guide cylinder is arranged in the first cylinder to divide the primary reaction area into a stirring reaction area and a backflow area, and the tops and the bottoms of the stirring reaction area and the backflow area are communicated with each other; and the aeration assembly is arranged below the guide cylinder. The primary reaction area and the secondary reaction area are supplemented with light through the light supplementing area, so that the system can keep stable and continuous operation, and the energy consumption can be effectively reduced.

Various implementations include a breast tissue expander device. The device includes one or more tabs extending outwardly from a body of the device for coupling the device to the chest wall of a patient. The device further includes an aspiration port in fluid communication with a drain tube for draining body fluid, along with retention members for securing the drain tube to the body. The device may also include one or more flow barriers configured to prevent the inadvertent leakage of expansion fluid or body fluid from the device.

The utility model relates to the technical field of waste gas treatment washing towers, in particular to a plasma waste gas treatment device which comprises a main body of a tower body structure, an inner cavity is formed in the main body, a vertical water supply pipeline is arranged in the inner cavity, a plurality of water conveying frames which are longitudinally distributed at intervals are arranged on the water supply pipeline, and each water conveying frame comprises a water drainage pipe, a communicating pipe and a flow guide table. The drainage pipe is an annular pipe body with a plurality of water outlet holes evenly distributed in the bottom, the flow guide table is an annular plate body arranged below the water outlet holes, the inner end and the outer end of the communicating pipe communicate with the water supply pipeline and the drainage pipe correspondingly, and water in the water supply pipeline can penetrate through the water outlet holes to flow into the top end face of the flow guide table from top to bottom after flowing through the communicating pipe and the drainage pipe. And an annular water curtain is formed after guiding of the top end face of the flow guide table. The utility model is favorable for solving the problem that the purification effect is easy to influence due to the fact that only an atomizing nozzle is adopted for spraying treatment in some existing purification spraying towers, and spaces for harmful substances to escape still exist among fine water drops in an atomizing area.

The invention discloses a directional long drill hole continuous drainage extraction promoting device and method, and relates to the technical field of coal mine underground gas extraction, the directional long drill hole continuous drainage extraction promoting device comprises a hole protection pipe, a drainage pipe, a drainage valve and an extraction pipeline, the extraction pipeline is connected with the hole protection pipe, the interior of the hole protection pipe is connected with the drainage pipe through welding rods, and the welding rods between the drainage pipe and the hole protection pipe are distributed in the radial direction; the multiple welding rods are axially distributed along the drainage pipe, and the end of the drainage pipe is connected with the drainage valve. According to the directional long drilling continuous drainage pumping promoting device and method, automatic response is achieved, manual intervention is not needed, the material A and the material B can be automatically switched according to the water accumulation state, manual judgment or operation is not needed, and the directional long drilling continuous drainage pumping promoting device and method adapt to the complex drilling environment and are particularly suitable for deep long drilling; the structure is stable and reliability is high.

The invention provides a device for simulating brine-sediment migration characteristics of a salt-cavern gas storage under the action of air pressure rise and fall and a test method. The simulation test device comprises a gas injection system, a simulation salt cavity, a gas production system, a brine discharge system, a temperature regulation and control system and a pore pressure measurement system. The gas injection system is connected with the simulated salt cavity through a gas injection pipe; the gas production system is connected with the simulated salt cavity through an exhaust pipe; the simulated salt cavity and the brine recovery device are connected through a simulated brine discharging pipe and a water discharging pipe; and the temperature regulation and control system and the pore pressure measurement system are connected with the simulated salt cavity through pipelines. The test device is reasonable in design, through an indoor simulation test, the brine and sediment migration rule under the free sinking condition, the sediment gap structure evolution rule under the self-weight compaction effect and the brine and sediment secondary migration rule under gas injection and production can be researched, and reference is provided for reasonable setting of injection and production operation parameters of the salt cavern gas storage.

The utility model discloses an oil separation tank device for production wastewater, which comprises a tank body, an arc-shaped filter screen basket arranged at the front end of the tank body, a slag discharge pipe arranged on the side wall of the tank body and matched with the arc-shaped filter screen basket, a spiral conveying structure arranged on the tank body and matched with the arc-shaped filter screen basket, and a water inlet pipe arranged on the tank body and matched with the arc-shaped filter screen basket, a drainage pipe is arranged at the tail end of the pool body, an oil baffle plate and a spoiler which are matched with each other are arranged in the pool body, the interior of the pool body is divided by the spoiler to form a settling area, a blow-off pipe is arranged at the bottom end of the settling area, a blow-off valve is arranged on the blow-off pipe, a blow-off box is connected to the bottom end of the blow-off pipe, and a blow-off assembly is arranged in the blow-off box. According to the utility model, automatic cleaning of the arc-shaped filter screen basket can be realized, meanwhile, automatic discharge and cleaning of precipitated impurities are realized, and the zanthoxylum oil wastewater treatment effect is improved.

The utility model discloses a raw coal on-line preheating device of a pulverized coal preparation system, and relates to the technical field of blast furnace ironmaking coal injection. A steam main pipe and an outlet main pipe are arranged on the outer side of a raw coal bunker, a plurality of steam branch pipes are connected between the steam main pipe and the outlet main pipe, and the steam branch pipes penetrate into the raw coal bunker at different heights of the raw coal bunker and penetrate out of the raw coal bunker after heat exchange structures are arranged on horizontal planes at the heights. The part, penetrating out of the raw coal bunker, of each steam branch pipe is also connected with a steam branch pipe drainage pipe; the outlet main pipe and each steam branch pipe drainage pipe are respectively connected with a drain valve; a steam branch pipe anti-collision device is fixedly arranged above each steam branch pipe in the raw coal bunker and is used for blocking impact and friction of raw coal on the steam branch pipes; in consideration that steam is discharged after the raw coal is preheated, a dust remover is further arranged at the top of the raw coal bunker for forced discharging; the raw coal preheating device is simple in structure, and the raw coal preheating effect is effectively improved; the water content of the preheated raw coal entering the mill is reduced, and the yield of the mill can be effectively improved.

A drain may include ligature resistant features to inhibit anchoring a ligature or string to or around the installed drain. A drain can include an inlet or upper opening, an outlet or lower opening, and a channel fluidly connecting the upper opening to the lower opening. The channel may be configured to prevent linear flow of fluid from the upper opening to the lower opening and to inhibit anchoring a ligature about any opening or portion of the drain.

The drainage device comprises a water pan, a drainage pipe, a first drainage pump and a first vibrator, the water pan is provided with a drainage port, the drainage pipe is connected with the drainage port, the first drainage pump is arranged on the drainage pipe, the first vibrator is arranged on the side wall of the drainage pipe, and the first vibrator is arranged on the side wall of the drainage pipe. The device is used for eliminating clogging of the drainage pipe in a vibrating mode.

The utility model discloses a contact disinfection tank convenient to overhaul, which comprises a disinfection tank body, a plurality of cutoff walls are arranged in the disinfection tank body in parallel, one ends of the cutoff walls are sequentially and alternately fixed on two opposite side walls of the tank body, and a plurality of water channels which are sequentially communicated end to end to form baffling are formed in the disinfection tank body. A water inlet is formed in the flowing water channel at the head end, a water outlet is formed in the flowing water channel at the tail end, an outer pool body is further arranged on the outer side of the disinfection pool body, a drainage pipe is arranged on the outer pool body, a partition wall is arranged in the outer pool body and divides the outer pool body into a water collecting pool and a water inlet pool, and the water collecting pool is arranged close to one side of the water inlet; the water inlet is 10-20cm away from the bottom of the disinfection tank body; a first valve and a second valve are respectively arranged on the water inlet and the partition wall; a sewage draining exit is formed in the bottom of each flowing water channel, the sewage draining exits are located in the middle of the flowing water channels, and a sewage draining valve is arranged at each sewage draining exit.

The invention provides a basement outer wall joint position anti-seepage device which comprises basement outer walls and further comprises an elastic rubber water stop piece arranged between the basement outer walls and used for covering a joint and compensating deformation of the joint. The strip-shaped fixing piece is used for fixing the elastic rubber water stop piece on a base layer on one side of a joint through a fastener; a water collecting opening of the funnel-shaped water collector faces the elastic rubber water stop piece; the drainage pipe is connected with a water outlet of the funnel-shaped water collector; the elastic rubber water stop piece, the strip-shaped fixing piece and the funnel-shaped water collector are connected into an integral prefabricated assembly in a bonding mode. According to the waterproof structure, the fundamental problems of'stopping but not draining and only blocking but not dredging 'in a traditional basement outer wall joint waterproof technology are solved, and the industrial defects that an existing water stop belt is difficult to adapt to joint deformation and prone to failure and tearing, and a waterproof layer is damaged due to water pressure accumulation caused by the fact that leaked water cannot be actively guided and drained are effectively overcome.

The utility model provides a pneumatic type in-situ circulating ecological filtering system which comprises a water lifting pipe, a water storage square barrel and an algae attachment square plate, the upper end of the water lifting pipe is connected with a valve for discharging water, and the lower end of the water lifting pipe is connected with a pneumatic generator and is fixedly connected with a water guide pipe through a fixer; the fixing device penetrates through the wall of the square water storage barrel, the water guide pipe is located in the square water storage barrel, the upper end of the water guide pipe is connected with a variable-diameter connector, and the diameter of the variable-diameter connector is gradually increased in the upper end opening direction. A microbial filter material is arranged in the water storage square barrel, a blocking filter screen is mounted above the filter material, a water guide opening is formed in one side of the barrel and located above the blocking filter screen, and the water guide opening is fixedly connected with the algae attachment square plate to guide water flow into the square plate; a micropore cross plate is laid on the surface of the square plate, a full-spectrum lamp is arranged above the square plate, and a drainage pipe is connected to one side. The device can improve dissolved oxygen in water and stabilize water quality, so that the aquaculture density, survival rate and yield are improved, and the whole device has the advantages of high filtering efficiency, good aquaculture effect, low energy consumption, low operation cost and the like.