354 results about "Tube drainage" patented technology

The utility model relates to a membrane filtration system which comprises a water collecting pipeline and a membrane filtration device installed on the water collecting pipeline, the membrane filtration device is provided with a membrane element, and the water collecting pipeline comprises a water production header pipe, a water inlet header pipe and a water drainage header pipe which are arrayed in the same plane in the horizontal direction and are provided with closed upper ends and open lower ends; the water production manifolds are symmetrically communicated with the two sides of the water production header pipe and are rigidly connected with the water inlet header pipe and the water drainage header pipe respectively; the water inlet manifolds are symmetrically communicated with the two sides of the water inlet header pipe and are rigidly connected with the water production header pipe and the water drainage header pipe respectively; the drainage manifolds are symmetrically communicated with the two sides of the drainage main pipe and are rigidly connected with the water inlet main pipe and the water production main pipe respectively; a penetrating fluid outlet communicated with the water producing manifold, a pretreatment liquid inlet communicated with the water inlet manifold and a concentrated liquid outlet communicated with the water discharging manifold are formed in the membrane element. The manifolds and the membrane elements are installed in a simplified and matched mode, the manifolds and the header pipe are supported by each other through rigid connection, and the auxiliary fixing structure is simplified.

The utility model relates to an undisturbed deep-scale drilling sampling device for a seabed sandy soil settled layer, which comprises a floral tube and a ship deck, and a sampling structure is arranged at the floral tube; the sampling structure comprises a rod-shaped heavy hammer arranged in the floral tube, a guide is arranged on the outer surface of a rod-shaped heavy hammer rod and fixedly installed on the inner wall of the floral tube through a fixing screw, a tube drainage hole is further formed in the side wall of the floral tube, and a sampling partition is installed on the inner wall of the middle end of the floral tube. According to the utility model, the rod-shaped heavy hammer performs drainage downward movement in the floral tube, strikes the sampling tube, repeatedly lowers the sampling equipment at the same hole site and continues to sample at the original hole site, in order to reduce sample disturbance or sample without disturbance as much as possible, the rod-shaped heavy hammer strikes 1-2 during sampling each time, the sampling length is controlled to be about 1m, and the sampling depth can reach 40m after the operation is repeated, so that the sampling efficiency is greatly improved. The device is extremely small in disturbance and large in sampling depth, and is an edge tool for marine sedimentology research.

The invention relates to the field of sewage and wastewater treatment and discharge, in particular to a wastewater treatment and discharge device which comprises a first drainage pipe, a water collection plate is fixedly connected to the bottom of the inner side of the first drainage pipe, and a rainwater collection mechanism is mounted in the first drainage pipe and comprises a connecting rod in sliding connection with the first drainage pipe. The bottom of the connecting rod is connected with a water collecting air bag, the top of the connecting rod is connected with a circular plate, sewage pipes are arranged on the two sides of the first drainage pipe, one sides of the sewage pipes are connected with side pipes communicated with the first drainage pipe, the bottom of the first drainage pipe is connected with a second drainage pipe, and the two sides of the second drainage pipe are connected with grease pipes. And along with various kinds of garbage, according to the equipment, rainwater is firstly collected, then buoyancy generated by the rainwater on the water collecting air bag is utilized, the garbage gathered at the inlet is pushed to move upwards, the blocked garbage is discharged, rainstorm water is helped to be rapidly drained away, and the problem that a sewer pipeline is blocked is avoided.

The invention provides a double-layer outer-rigid inner-flexible composite lining drainage system and a construction method thereof, and belongs to the technical field of high-water-pressure tunnel drainage type lining design and construction. The outer-layer rigid drainage system is arranged in a full-ring mode, the radial water guide blind pipes are vertically inserted into surrounding rock, the annular water guide blind pipes and the longitudinal water guide blind pipes are pre-buried in a secondary lining, the water guide blind pipes are connected through five-way connectors, and the tail ends of the annular water guide blind pipes are connected into an inverted arch center ditch. The inner-layer flexible drainage system is arranged in a semi-ring mode, the planar geotechnical cloth is located on the outer side of the annular drainage blind pipe, the annular drainage blind pipe is connected with the longitudinal water collection blind pipe through the three-way connector, the two ends of the transverse drainage blind pipe are connected with the longitudinal water collection blind pipe and the drainage side ditch respectively, and the drainage side ditch is communicated with the inverted arch center ditch through the transverse drainage blind pipe. The method has the advantages that a large amount of underground water is drained before entering the primary support, the drainage and pressure reduction effects are very obvious, the safety reserve is high, the structural durability is remarkably improved, and the service life of a tunnel is prolonged.

The utility model discloses an urban channel embankment retaining wall structure which comprises an embankment, a water retaining system and a drainage system. The dike comprises a gravity type retaining wall and a concrete bottom plate, the gravity type retaining wall is of a right trapezoid section, the upstream side is vertical, the top of the concrete bottom plate is a horizontal plane and bears the gravity type retaining wall, the upstream side is thickened, and the dike is arranged on the two sides of the channel; the water retaining system comprises at least two groups of breast boards which can be moved into or out of the channel to connect and disconnect water flow, and an enclosure space formed by the two groups of breast boards and the dike is used as a construction area; the drainage system comprises a drainage main pipe and a drainage branch pipe, the drainage main pipe is arranged along the backwater side slope toe of the gravity type retaining wall in a full-length mode and located at the top of the concrete bottom plate, and the drainage branch pipe is located at the top of the concrete bottom plate and communicated with the channel at one end and connected into the drainage main pipe at the other end. The front portion of each drainage branch pipe is provided with a gate groove and a gate capable of sliding up and down along the gate groove, the drainage system is opened and closed by opening and closing the gates, and the drainage branch pipes are arranged on the outer sides of the at least two breast boards to serve as water inlet ends and water outlet ends respectively. According to the utility model, through gate lifting, breast board assembly and drainage of the drainage main pipe / branch pipe, the construction diversion of the dredging and overhauling channel section can be realized.

The utility model discloses a rain and sewage mixing detection experiment device applicable to a drainage network. The rain and sewage mixing detection experiment device comprises a first water storage tank, a second water storage tank, a third water storage tank and a drainage network header pipe, the drainage network header pipe is provided with a plurality of inspection wells; a plurality of first water inlet branch pipes corresponding to the inspection wells are formed on the first water inlet pipe; a plurality of second water inlet branch pipes corresponding to the inspection wells are formed on the second water inlet pipe; and a plurality of third water inlet branch pipes corresponding to the inspection wells are formed on the third water inlet pipe. According to the rain and sewage mixing detection experiment device suitable for the drainage network, by simulating different water inlet situations, the change rule of operation of a main pipe of the drainage network is obtained, and the change rule detected and summarized by the experiment device is applied to actual water quality detection and hydraulic condition detection of the main pipe of the drainage network; therefore, whether the mixed connection condition exists in the main pipeline of the drainage network or not can be more accurately judged, and then corresponding measures are taken in time according to the detection result to ensure smooth operation of urban rainwater pipelines and sewage pipelines.

The intelligent water-saving and energy-saving vegetable greenhouse comprises a controller, a greenhouse roof and an initial rainwater discarding device, a plurality of rainwater guiding grooves are formed in the greenhouse roof, the initial rainwater discarding device comprises a rainwater container and a U-shaped pipe, a filtering cavity is formed in the top of the rainwater container and communicates with the rainwater container through a water collecting opening, one side of the filtering cavity communicates with the rainwater guiding grooves, and the other side of the filtering cavity communicates with the U-shaped pipe; one end of the U-shaped pipe is communicated with the bottom of the rainwater container, the other end of the U-shaped pipe is a drainage end, the water flow of the drainage end of the U-shaped pipe is smaller than that of the water collecting opening, the water collecting opening is connected with a floating ball through a rope, and the radial size of the floating ball is larger than the radial size of the water collecting opening; a drip irrigation pipeline is arranged in the greenhouse and communicated with the water storage tank through a water pump, and the controller is connected with the water pump. According to the greenhouse, the rainwater collection efficiency and cleanliness can be improved, the integrated design of rainwater collection, automatic irrigation and temperature and humidity adjustment is achieved, and the integration, the environmental protection property and the resource utilization efficiency of the greenhouse are improved.

The utility model provides an oil field well site pollutant collecting device, which relates to the technical field of oil field well site pollutant collection, and comprises a box body, a centrifugal cylinder, a filter screen and a filter grating, the box body is provided with a water inlet pipe facing a cylinder opening of the centrifugal cylinder, and a mounting cover for rotatably mounting the centrifugal cylinder is fixedly connected in the box body. The bottom face of the mounting cover is obliquely arranged, the flow meter in the connecting pipe can record the flow of water discharged by the centrifugal cylinder in real time through the connecting pipe, the water discharging pipe and the flow meter, the flow meter in the connecting pipe is combined with the sewage inflow recorded by the flow meter in the water inlet pipe, personnel can conveniently judge the permeability degree of the centrifugal cylinder, and the flow meter in the water discharging pipe can record the water discharging amount of the filtering grating. And in combination with the water inflow, recorded by the flow meter in the connecting pipe, entering the filtering grid, personnel can conveniently judge the permeation degree of the filtering grid, then the personnel can conveniently master the permeation degree of the filter screen and the filtering grid, and then the personnel can conveniently judge when to clean the centrifugal cylinder and the filtering grid.

The invention discloses a dish-washing machine, relates to the technical field of dish-washing machines and aims to solve the problem that humidity in an inner container is high after washing of a dish-washing machine in the prior art. The dish washing machine comprises a machine shell, an inner container, a drainage device and a dehumidification device, and a containing cavity is formed in the machine shell; the inner container is arranged in the containing cavity and connected to the machine shell. A cleaning cavity and a first water outlet communicated with the cleaning cavity are formed in the inner container; the drainage device is connected to the first water outlet and used for discharging waste liquid in the inner container to the outside of the machine shell; the dehumidification device is connected to the machine shell; the dehumidification device comprises a driving part and a drainage hose, one end of the drainage hose communicates with the first water outlet, and the other end of the drainage hose is used for communicating with the exterior of the machine shell; the driving part is connected with the drainage hose and used for squeezing the drainage hose in the radial direction of the drainage hose and squeezing the peripheral wall of the drainage hose in the flowing direction of media in the drainage hose so as to drive the media in the drainage hose to flow. The dishwasher is used for washing tableware.

The invention provides a waste iron ore tailing pond comprehensive treatment construction method which comprises the following steps: S1, landform measurement: measuring and detecting landform by using an unmanned aerial vehicle so as to form a digital model of a landform area range, S2, landform trimming simulation: trimming the generated digital model so as to form a landform area range, and S3, carrying out comprehensive treatment on the landform area range. The volume of earthwork needing to be carried and moved in the correction process can be calculated through a digital model, the carrying directions of different earthwork volumes are determined, and aiming at the problems of low actual construction efficiency and the like, protective measures such as an impermeable layer and a slope masonry grid are arranged on a dam body, vegetation greening and the like are adopted to eliminate potential safety hazards of the dam body; a percolation facility composed of a water storage layer, a percolation body, an anti-seepage film, a percolation pipe, a drainage pipe and the like, a plant buffer zone and the like are arranged in the reservoir area beach face range, and therefore a comprehensive integrated system combining interception, drainage, buffering and percolation of surface runoff is formed in the reservoir area range.

The invention discloses an operation method of a high-voltage transformer substation tubular bus drainage wire detaching and erecting robot, and relates to the technical field of power construction. Comprising the steps of obtaining parameter data outside a tubular busbar drainage wire; a positioning model is constructed, the positioning model is based on the parameter data, an operation plan of the disassembly and assembly robot is output, and the operation plan comprises an operation position, an operation path and operation time; constructing a detection model, and obtaining environment data influencing the operation of the dismounting and building robot outside the tubular busbar drainage wire based on the detection model and the parameter data; obtaining attribute data of the disassembly and assembly robot; and constructing an influence discrimination model. According to the method, the attribute data and the environment data are efficiently matched through the feature tree diagram to form an accurate mapping relation, so that it is ensured that the disassembly and assembly robot can accurately recognize and understand the working environment in the working process, the data processing efficiency is improved, and the adaptability of the robot to the working environment is further enhanced.

The utility model provides water reducing agent filtering equipment, which relates to the technical field of filtering and comprises a tank body and a rotating shaft, the bottom of the tank body is supported by three groups of supporting plates, a feeding port is formed in the top of the tank body, and a sealing plug cover covers the feeding port; the bottom of the tank body is funnel-shaped, a discharge pipe is connected to the conical tip of the funnel, and a water valve is mounted on the discharge pipe; a cleaning mechanism and an intercepting mechanism are arranged; the cleaning scraping plate scrapes off impurities intercepted on the filtering plate, so that the impurities fall into a pocket ring below; the intercepting plate I and the intercepting plate II cooperatively operate to divide the interior of the tank body into an upper independent space and a lower independent space; clear water is injected into the tank body through the water inlet pipe, meanwhile, the impurity removal pipe is used for draining water, the pocket ring is washed, and it is ensured that the pocket ring always maintains the good impurity storage capacity; timed cleaning of the filter plate is realized, and filtered impurities can be discharged; the problems that when existing filtering equipment is used for filtering and removing impurities of a water reducing agent, intercepted impurities are easily accumulated at filtering holes to form blockage, and the filtering effect is reduced are solved.

The utility model relates to a water turbine top cover pressure reducing, water draining and air supplementing shared system which is used for water turbine top cover pressure reducing, water draining and air supplementing and comprises a top cover, a water draining and air supplementing branch pipe, a water draining and air supplementing annular pipe, a water draining pipe, an air supplementing pipe and a reserved forced air supplementing pipe. The drainage pipe is led out from the pressure reduction drainage air supply ring pipe and drains water to a water turbine draft tube, the air supply pipe is led out from a power plant to the drainage air supply ring pipe, a reserved forced air supply pipe is arranged on the air supply pipe, and forced air supply can be conducted on the water turbine when necessary. According to the water turbine top cover pressure reduction drainage and air supply shared system, the functions of a top cover pressure reduction drainage pipe, a vacuum breaking valve and a reserved forced air supply pipe are integrated, and top cover equipment arrangement can be optimized.

The utility model discloses a horizontal pressure applying system and belongs to the technical field of civil engineering. The horizontal pressure applying system comprises a plastic hard pipe, a drainage plate, a rubber hose, a rubber hose sealing bottom, a pressurizing branch pipe, a pressurizing main pipe, an air compressor, a sand filtering groove, a vacuumizing branch pipe, a vacuumizing main pipe, a vacuumizing machine, a plastic diaphragm, a low soil weir and air-closed pressing soil; one end of the rubber hose is communicated with the plastic hard pipe and is fixedly arranged with the plastic hard pipe, the other end of the rubber hose is fixedly provided with the rubber hose sealing bottom, the drainage plate is fixedly adhered to the outer side of the rubber hose, the pressurizing branch pipe is communicated with the plastic hard pipe and is fixedly arranged, and the pressurizing main pipe is communicated with the pressurizing branch pipe and is fixedly arranged. According to the horizontal pressure applying system, in the soft foundation treatment process, bidirectional pressure applying can be achieved, the pressure applying speed can be increased, the foundation treatment effect is good, and the consumed time is short.

The present invention proposes an ecological concealed pipe drainage structure for improving saline-alkali land and an application method thereof, which relates to the technical field of soil drainage and saline-alkali land management; the ecological concealed pipe drainage body includes a plurality of drainage units connected by assembly, and the drainage unit includes: an inner core layer, a skeleton layer, and a permeable filter cloth layer, etc.; an application method of an ecological concealed pipe drainage structure for improving saline-alkali land includes S1: land leveling; S2: determining layout parameters and plans according to the soil physical and chemical properties, basic data and specifications of the saline-alkali land; S3: processing and manufacturing the ecological concealed pipe drainage body; S4: installation; S5: planting crops on the saline-alkali land; S6: soil salt leaching; S7: drainage and salt removal; S8: anti-blocking and maintenance of the ecological concealed pipe drainage body and improvement of the air permeability of the saline-alkali land, etc. The present invention is green and environmentally friendly, has good drainage and desalination effects, is not easily blocked, can improve the air permeability of the saline-alkali land, and meets the technical requirements of the green development of the saline-alkali land.

The invention discloses a building drainage double-channel top-extending breather pipe system, and belongs to the technical field of building drainage engineering. Comprising an outer pipe, an inner pipe, a drainage stand pipe connector and a special ventilation stand pipe connector, the outer pipe and the inner pipe are arranged in a sleeved and concentric or eccentric tangent mode, the inner pipe extends out of the bottom of the outer pipe, the drainage stand pipe connector connected with a building drainage stand pipe is arranged at the extending end of the bottom of the inner pipe, and an outlet in the bottom of the outer pipe is obliquely connected with the special ventilation stand pipe connector. The special ventilation vertical pipe connector is connected with a building drainage special ventilation vertical pipe, and the top of the inner pipe and the top of the outer pipe extend out of a floor to form a top-extending ventilation pipe outlet communicated with the atmosphere outside a building. The system can significantly improve the drainage capacity of a building drainage system, reduce the number of roof-extending pipelines, reduce the roof water leakage rate, detect the airflow direction and air pressure in the drainage pipeline, further judge the working condition in the system, enhance the risk early warning capacity of the system, and lay a foundation for sound and intelligent water supply and drainage systems.

The present invention relates to the field of building construction, and specifically to a regular bottom-expanded size bladder injection bag, comprising a slurry bladder bag, an upper partition, a grouting pipe, a drainage network, a drainage pipe and a limit strip, wherein an upper partition is arranged at the upper end of the slurry bladder bag, a hole cover is arranged in the middle of the upper partition, a conveying rod is detachably arranged on the upper partition at the periphery of the hole cover, a grouting pipe is arranged on the hole cover, the grouting pipe is connected with the inside of the slurry bladder bag, a drainage network is arranged on the outside of the slurry bladder bag, the drainage network is connected to the drainage pipe through the upper partition and the hole cover, the drainage pipe is arranged on the hole cover, a bottom partition or a pile shoe is arranged at the lower end of the slurry bladder bag, and a limit strip is located on the outside of the slurry bladder bag and is hingedly arranged on the upper partition. It also relates to a regular bottom-expanded size bladder injection molding method. The present invention can effectively control the unfolding shape of the bladder injection bag, can realize the regularization and optimization of the shape of the pile end enlarged head, can accelerate the compaction of the soil, expand the compaction range of the soil and increase the compaction space, and improve the bearing capacity of the pile end and the pile as a whole.

The invention discloses a dust falling system for a flat ground type red mud storage yard through a filter cake method and a using method.The dust falling system comprises the red mud storage yard, nozzles, valves, a water conveying main pipe, water conveying branch pipes, a water drainage vertical shaft, a water drainage pipe, a clarification tank, a water return tank, a lifting pump and a partition dam, the red mud storage yard is high in the periphery and low in the middle, and dam bodies are arranged on the periphery of the red mud storage yard; the clarification tank and the water return tank are arranged outside the red mud pile yard, the partition dam is arranged between the clarification tank and the water return tank and provided with an overflow port so that the clarification tank can be communicated with the water return tank, the lifting pump is installed in the water return tank and connected with the water delivery main pipe, the water delivery branch pipes are connected with the water delivery main pipe, and the spray heads and the valves are installed on the water delivery branch pipes. The drainage vertical shaft is arranged in the red mud storage yard and is lower than a dam body around the red mud storage yard, the drainage vertical shaft is communicated with the clarification tank through a drainage pipe, and the drainage pipe slopes towards the clarification tank. The device is simple in structure, dust falling is achieved through spraying of the nozzles, and water is recycled through the drainage vertical shaft and the drainage pipe.

The utility model discloses an aquaculture pond drainage well which comprises a well body, a well step is arranged in the well body, a drainage branch pipe is arranged on one side of the well step and penetrates through the well body, drainage main pipes are symmetrically arranged on the two sides of the well body, the periphery of the well body is connected with a brick lower pond step, and a blocking net is arranged in the brick lower pond step. According to the inspection well, the prior art is improved, in actual use, the inspection well is provided with the steps leading to the bottom, the pulling and inserting pipe can be controlled conveniently, and impurities such as sludge in the inspection well can be cleaned conveniently; usually, no water or only a small amount of water exists in the well, the well can not enter the pond, the water level or drainage is controlled in the well without water or with a small amount of water, and operation is convenient. The drainage branch pipe is connected with the pond section end and is provided with a movable filter screen, the movable filter screen can be replaced according to the size of bred animals to prevent escape, and large-particle impurities in water can be effectively prevented from entering the well; and the lower pond step can provide convenience for cleaning or replacing the blocking net and fishing.

The sponge city pipeline sewage intercepting device comprises a supporting frame, a filter pipe, a drainage pipe, a first filter screen and a second filter screen, the filter pipe is connected to the supporting frame, a filter cavity is formed in the filter pipe, an opening is formed in the filter cavity, the drainage pipe is connected to the filter pipe, the first filter screen is detachably connected to the opening, and a handle is rotationally connected to the first filter screen; the first filter screen can be conveniently detached from the filter pipe through the handle, so that the first filter screen can be conveniently cleaned, garbage in the filter cavity can be conveniently cleaned, and the second filter screen is detachably connected to the interior of the filter cavity, so that the garbage can be conveniently cleaned out of the filter cavity from the interior of the filter cavity.

The supporting and irrigation device comprises a water containing device and a fixing structure, a supporting insertion rod used for being inserted into the ground is arranged at the lower end of a water containing body, a water inlet pipe is vertically arranged on the side face of the supporting insertion rod, and a drainage pipe communicated with the water inlet pipe is arranged at the bottom of the water containing body and provided with a switch valve; an annular water seepage main pipe is arranged on the outer side of the soil ball, and the water drainage pipe is located on the inner side of the annular water seepage main pipe and communicated with the annular water seepage main pipe. Through mutual cooperation of the supporting insertion rod, the fixing structure and the irrigation device, supporting and irrigation are combined, and the utilization rate of the device is high.

The utility model discloses a rainwater collecting device for rainwater detection, and relates to the technical field of rainwater collection, the rainwater collecting device comprises a collecting frame, a flow dividing assembly is installed in the collecting frame, and a containing assembly is installed on the inner bottom wall of the collecting frame. According to the rainwater collecting device for rainwater detection, rainwater falls on a conical screen frame and enters a bucket-shaped collecting cover through a water leakage opening to be collected, water in the bucket-shaped collecting cover is discharged into an open box through a connecting pipe, a drainage hose and a drainage head, and a sliding block moves in the bottom wall of a limiting seat along the outer wall of an adjusting lead screw; the sliding block drives the bearing seat and the drainage head to move, and the drainage head moves to the upper part of another open box to continuously collect rainwater, so that when the rainwater is collected, impurities such as leaves, branches and dust mixed in the rainwater can be filtered and separated, and the rainwater at different time periods in the same region can be collected for later detection; and the functionality of the whole device can be improved.

1. Name of the designed product: rescue vehicle. 2. Use of the designed product: used for pipe laying, drainage or water supply rescue operation. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model provides a toilet drainage deodorization system which comprises a pedestal pan cover, a plurality of drainers, a drainage main pipe and an exhaust main pipe, water seals are arranged in the drainers, the pedestal pan cover comprises a cushion ring, a cover plate and an air suction assembly, the air suction assembly comprises an exhauster, and a main air suction pipe communicated with the interior of the pedestal pan is arranged on the exhauster. An air outlet of the exhauster is communicated with the main exhaust pipe, each drainer is provided with a water supplementing pipe communicated with the water tank, the main air suction pipe is provided with an air-sensitive detection head, the cushion ring is provided with a pressure sensor, and one side, close to the cushion ring, of the cover plate is provided with an infrared sensor. When the device is used in a toilet, the exhauster works to pump and drain odor generated by a pedestal pan, a drainage pipe and a floor drain, and when water is flushed, the water inlet valve in the water tank supplements water to the water seal in the drainer, so that the water seal in the drainer can be effectively prevented from losing water and being invalid due to evaporation and siphoning; and water stored in the water seal can be prevented from being changed into a hotbed for breeding mosquitoes and bacteria for a long time.

The utility model relates to the technical field of fixing brackets, in particular to sewage purification equipment for environment-friendly engineering construction. The sewage purification device comprises a purification box, a top cover, a sewage inlet pipe, a drainage pipe and a filter plate, a fixing device is arranged in the purification box and comprises a fixing frame, one side of the fixing frame is fixedly connected with the purification box, four telescopic rods are fixedly connected to one side of the fixing frame, and the other side of the fixing frame is fixedly connected with the top cover. The output ends of the four telescopic rods are fixedly connected with a placing frame, one side of the placing frame is fixedly connected with a rubber frame, one side of the rubber frame is slidably connected with a filter plate, one side of the filter plate is slidably connected with a pressing frame, and one side of the pressing frame is slidably connected with two screw rods. The problems that according to traditional sewage purification equipment for environment-friendly engineering construction, sewage is generally filtered and purified through a filter plate, but the filter plate is basically fixed in the equipment through screws, so that the filter plate is inconvenient to replace and disassemble, and inconvenience is brought to replacement work are solved.

The invention relates to the technical field of field infiltrating irrigation, and provides field infiltrating irrigation equipment and method.The field infiltrating irrigation equipment comprises a plurality of infiltrating irrigation pipes and further comprises a filter box, a centrifugal pump, a first flow dividing pipe, a drainage pipe and a filter mechanism, the filter box is arranged on one side of the multiple infiltrating irrigation pipes, and the centrifugal pump is arranged on the other side of the multiple infiltrating irrigation pipes; a box cover is installed on the top side wall of the filter box through bolts, the centrifugal pump is arranged on one side of the filter box, the output end of the centrifugal pump communicates with the filter box, a water inlet pipe is installed at the input end of the centrifugal pump, the first flow dividing pipe is arranged on one side of the infiltrating irrigation pipes, and the two ends of the first flow dividing pipe are sealed. A second flow dividing pipe is arranged between the first flow dividing pipe and the infiltrating irrigation pipe in a communicating mode, the drainage pipe is arranged between the filter box and the first flow dividing pipe in a communicating mode, and through the technical scheme, the technical problem that in the prior art, in the process of filtering water flow in the infiltrating irrigation pipe, a filter screen needs to be frequently cleaned, and the infiltrating irrigation efficiency is affected is solved.

The invention relates to the technical field of water treatment equipment, in particular to water treatment equipment with a magnetic seed cyclic regeneration function, which comprises a treatment bin, a conveying pipe, a drainage pipe and a discharge pipe are arranged on the treatment bin, a high-speed shearing machine and a magnetic separator are arranged in the treatment bin, a treatment device is arranged on the drainage pipe, and the magnetic separator is arranged in the treatment bin. A drainage groove is formed in the treatment device and is used for adsorbing magnetic flocculates in water discharged by the drainage pipe; a removing device for removing magnetic flocculates in the drainage groove is arranged on the treatment bin; a gathering device is arranged in the drainage groove, and an inclined plane part used for gathering and collecting the magnetic flocculate is arranged in the gathering device. The invention aims to improve the cyclic regeneration utilization rate of magnetic seeds and reduce the treatment cost of a magnetic flocculation water treatment method.

The invention provides an indoor unit of an air conditioner, which is provided with a drainage system with low cost and excellent laying freedom. An indoor unit (2) is provided with: a cabinet (5) that can be attached to the ceiling of an air-conditioned room; a heat exchanger (3) housed in the case (5); a drain pan (6) for storing drain water accompanying heat exchange by the heat exchanger (3); and a drainage system (33) for discharging the drainage stored in the drainage pan (6) to the outside of the case (5) and guiding the drainage to a drainage pipe (32) provided in the ceiling of the air-conditioned room, the drainage system (33) being provided with: a drainage pipe seat (31) protruding from the case (5); a flexible hose (35); and a first connection part (36) connecting the drain pipe seat (31) and the flexible hose (35), the first connection part (36) being inclined with respect to the protruding direction of the drain pipe seat (31).

The invention relates to an ecological dredging bottom mud water thermal phase change vacuum preloading dehydration drying system and method, and the system comprises a vertical drainage system which comprises a plastic drainage plate, a drainage branch pipe and a double-hand-plate joint; the vacuum loading system comprises a vacuum pump and a water-vapor separation tank, the water-vapor separation tank is connected with a drainage main pipe, and the drainage main pipe is connected with a drainage branch pipe through a tee joint; the high-temperature hot water circulation loading system comprises a heat preservation heating water tank, a water guide main pipe, steel wire hoses and U-shaped heating pipes, the heat preservation heating water tank is connected with the steel wire hoses through the water guide main pipe, and the steel wire hoses are connected with the U-shaped heating pipes; the temperature control system is used for detecting the water temperature of the heat-preservation heating water tank and heating the heat-preservation heating water tank; the sealing system comprises geotechnical cloth and polyvinyl chloride sealing films, the geotechnical cloth is laid in a layered mode, and the polyvinyl chloride sealing films are pressed into the film pressing grooves in the boundary of the dehydration area respectively. The bottom is heated by adopting a hot water circulating system, the bottom mud is heated, the permeability of the bottom mud is improved, and rapid dehydration and drying are realized in combination with vacuum preloading.

The utility model belongs to the field of drainage engineering facilities, and discloses an FRP pipe lightweight concrete combined member, which comprises drainage ditch prefabricated members, direct connecting members and bent connecting members, FRP pipes are installed in the drainage ditch prefabricated members, a plurality of groups of cover plates are installed on the drainage ditch prefabricated members, and the drainage ditch installation can be completed by connecting the plurality of groups of drainage ditch prefabricated members. The drainage ditch prefabricated parts can be connected through direct-connection connecting pieces, if the drainage ditch needs to be bent, the drainage ditch prefabricated parts can be connected through bent connecting pieces at the bent positions, and during connection, the FRP pipes are connected with the connecting pipes in the connecting pieces in a welded mode, so that connection can be completed; the drainage ditch component is compact and reasonable in structural design, convenient to transport and convenient and fast to use and install, the construction period can be greatly shortened, and economic benefits are created.