30results about How to "Effective drainage" patented technology

The utility model discloses a video lamp with a spliced panel, which belongs to a decorative lamp and comprises a sectional material lamp body groove, a light source component is mounted in the sectional material lamp body groove, the panel is further mounted on the sectional material lamp body groove in a fastening manner, the panel is provided with a plurality of splicing units, and each splicing unit is provided with a hollow drain hole. End covers are mounted at the two ends of the profile lamp body groove, and hollow drainage holes are also formed in the end covers; a junction box assembly is installed on the lower portion of the profile lamp body groove and electrically connected with the light source assembly. The panel is designed to be of the splicing structure with the hollowed-out drainage holes, the end covers with the hollowed-out drainage holes are matched, the sectional material lamp body groove can effectively drain water in the longitudinal direction and the transverse direction, water accumulation in the light source cavity is avoided, the light source assembly is directly clamped and installed in the sectional material lamp body groove and is not installed in a plate penetrating mode any more, and after hidden wiring is adopted, the light source assembly can be directly installed in the sectional material lamp body groove. The junction box can be installed on the lower portion of the profile lamp body groove in a sealed mode, and waterproof sealed use is achieved.

The utility model relates to the technical field of glazed tile, disclose a kind of glazed tile of splicing pattern, including glazed tile body one, the outer wall of glazed tile body one is provided with glazed tile body two, the inside of glazed tile body one and glazed tile body two is evenly provided with two glass curtain walls, the outer wall of two glass curtain walls is evenly coated with reflective coating, the inside of glazed tile body two is provided with waterproof assembly, the inside of glazed tile body one and glazed tile body two is evenly provided with sealing assembly.In the utility model, it is difficult to realize the efficient sealing of the whole, and it is difficult to cope with the thermal expansion and contraction and displacement of the building main body, thereby the problems of water leakage and air permeation occur, the efficient sealing effect can effectively prevent the infiltration of rainwater, ensure that the building is not damaged by moisture to improve the durability of the building, reduce the damage and maintenance cost caused by water infiltration.

The application relates to the technical field of building waterproofing, and discloses a composite waterproof structure for a high-pressure water environment and a construction method thereof, which comprises a concrete base body including a bearing platform and a raft, the bearing platform is located on the upper surface of the raft and the side wall is exposed, a gradient pressure-resistant waterproof layer covers the exposed surfaces of the side wall of the bearing platform and the plane of the raft, and the gradient pressure-resistant waterproof layer comprises, from inside to outside, an interface reinforcing layer, a permeable epoxy resin layer which penetrates into the surface of the concrete base body by 0.5-1 mm in depth, and a dynamic response layer which is a polyurethane-rubber composite elastomer layer and is tightly attached to the outer surface of the interface reinforcing layer. The gradient pressure-resistant waterproof layer composed of the interface reinforcing layer, the dynamic response layer and a rigid protective layer is combined with the bearing platform and the raft in the concrete base body, and the rigid protective layer enhances the wear resistance, so that the composite waterproof structure with high pressure resistance and high wear resistance is realized, and the stability and durability of the waterproof structure in the high-pressure water environment are effectively improved.

The utility model relates to an unmanned plane technical field, concretely relates to a land and resources surveying and mapping unmanned plane rotation camera device, including unmanned plane main part, the bottom fixedly connected with connecting seat of unmanned plane main part, the bottom rotationally connected with connecting shell of connecting seat, the inside of connecting shell is equipped with camera, the outside of connecting seat is equipped with rainproof subassembly, the inside of connecting shell that is located camera's outside is equipped with protection subassembly, compares with current camera device, mechanical locking replaces traditional spring buckle, avoids unmanned plane vibration and leads to rain cover to fall off, and elastic rain cover is pasted connecting seat surface, effectively drains rainwater, protects camera from getting wet, and through the rotation block operation can complete fixed or release, and the maintenance is convenient, and electric telescopic link drive moving frame, drive moving block sliding, make guide rod push the protection plate open and close, close protection plate when not working, avoid camera and be impacted or dust pollution by external force.

The utility model relates to the technical field of paper diapers, in particular to a novel paper diaper urine collector. Comprising a paper diaper body, easy-to-tear openings are symmetrically formed in the paper diaper body, a double-faced adhesive tape type absorption pad is arranged between the easy-to-tear openings in the two sides, a covering film is arranged on the outer side of the double-faced adhesive tape type absorption pad, a conveying belt is arranged at the bottom of the double-faced adhesive tape type absorption pad, and a collecting pipe is movably arranged on one side of the bottom of the paper diaper body. The tail end of the conveying belt is connected to the collecting pipe in a clamped mode. The paper diaper adopts the double-side easy-to-tear opening design and is matched with the double-faced adhesive tape type absorption pad for use, baby urine can be effectively absorbed and stored, a urine sample can be conveniently and rapidly collected, the use position can be conveniently adjusted according to different babies through the easy-to-tear opening design, meanwhile, the purity and accuracy of the sample are ensured, and the use effect is good. Effective drainage of urine is guaranteed through the design of a conveying belt flow channel at the bottom of the double-faced adhesive tape type absorption pad, the collection efficiency is improved while leakage is prevented, and meanwhile stimulation to the skin of a baby is avoided through the conveying belt and the collection pipe which are externally connected.

The invention relates to a multilayer composite peritoneal dialysis catheter outlet superficial layer infection control medicine patch device, and belongs to the technical field of medical instruments. The device comprises a medicine patch body, a guide rod and a traction strip, the top end of the guide rod is fixedly connected with the right side of the patch body; the upper part of the traction strip is fixedly connected with the lower part of the medicine patch body; according to the device, by optimizing the structural design and material selection, subcutaneous targeted drug delivery, efficient fester adsorption and drainage, non-invasive fixing functions, convenient replacement and other functions can be achieved, and the device is particularly suitable for superficial layer infected parts which are difficult to treat through conventional drug change.

The utility model discloses a side slope photovoltaic foundation device for the sunny side of a road. The side slope photovoltaic foundation device comprises a prefabricated foundation anti-skid bottom plate, a road anti-collision pier arranged on one side edge of the prefabricated foundation anti-skid bottom plate and a plurality of photovoltaic foundation prefabricated piers which are arranged on the prefabricated foundation anti-skid bottom plate and form a square matrix. The prefabricated foundation anti-skid bottom plate, the highway anti-collision pier and the photovoltaic foundation prefabricated pier are of a prefabricated integrally-formed structure and are used for being constructed and installed in the same period with a side slope of a highway. The top end of each photovoltaic foundation prefabricated pier is provided with an assembly pressing block, and the assembly pressing blocks are connected to the photovoltaic foundation prefabricated piers through assembly pressing block embedded parts. The assembly pressing block is used for fixing the photovoltaic panel assembly. Drain holes are reserved in the road anti-collision pier and the photovoltaic foundation prefabricated pier respectively. A cable channel reserved hole is reserved in the upper portion of the photovoltaic foundation prefabricated pier. According to the slope photovoltaic foundation device for the sunny side of the highway, a prefabricated integrally-formed structure is adopted, the structure is stable and durable, meanwhile, a roadbed can be prevented from being damaged, and the sideslip risk of slope operation can also be avoided.

The utility model relates to rice seedling raising seed soaking technical field, and disclose a kind of seed soaking device for rice seedling raising, comprising: seed soaking box subassembly: square seed soaking box, its bottom is equipped with four supporting legs, for supporting seed soaking box in working plane;Drain pipe, for controlling liquid discharge;Aeration component: mounting bracket, fixedly welded in the outside wall of seed soaking box;Fixed on mounting bracket, its output end is connected with connecting pipe;Multiple aeration pipes, horizontal arrangement and penetrate the side wall of seed soaking box, each aeration pipe is communicated with aerator by connecting pipe, and the pipe wall of aeration pipe is uniformly distributed with aeration hole.The seed soaking device for rice seedling raising, improve seed soaking uniformity and germination rate, aeration system provides continuous, uniform oxygen supply, avoid seed to rot or uneven germination due to oxygen deficiency, bubble agitation promotes seed soaking liquid uniform distribution, ensure that every seed can be fully contacted with active ingredient, improve seed soaking effect, aeration pipe spacing and aperture optimization ensure bubble cover entire seed soaking area, no dead angle.

An integrated eustachian tube sustained-release drainage device is provided with a drug-carryable, degradable and compressible elastic support, a drainage mechanism for draining liquid in the eustachian tube and a degradable connecting line, the drainage mechanism being fixed to the front end of the elastic support through the connecting line. The integrated eustachian tube drainage device can effectively drain the effusion and secretion in the eustachian tube, improve the ventilation and drainage conditions of the middle ear. The elastic support is composed of a degradable material and can carry drugs to continuously release the drugs, effectively treating diseases such as eustachian tube inflammation and reducing inflammatory reactions and promoting mucosal repair. Moreover, the degradable material of the elastic support reduces the long-term impact on the patient and reduces the risk of infection. The integrated eustachian tube drainage device can also be stably fixed in the eustachian tube, thereby improving the reliability of treatment.

This utility model discloses a heat pump casing that facilitates drainage, including a casing, an evaporator, a heat conduction chamber, a compressor unit, and a drainage mechanism. The drainage mechanism adopts a nested structure of upper and lower U-shaped shells, and achieves stable installation through a support pipe and an L-shaped connector. The remaining openings on both sides of the lower shell, together with the inclined connecting plate, guide the condensate to collect and be discharged through an L-shaped bend with a solenoid valve. This structure solves the problems of condensate retention, inconvenient drainage control, and structural instability in traditional heat pump casings, and has the advantages of efficient drainage, reliable support, and convenient installation. It is suitable for optimizing the drainage system of various heat pump equipment.

This utility model discloses a biomimetic breathable flowerpot, relating to the field of flowerpot technology. It includes a pot body with side walls and multiple circumferentially oriented air vents. A honeycomb biomimetic drain tray is located at the bottom of the pot body, with multiple honeycomb drain holes and honeycomb air guide holes on its sidewalls. A biomimetic base is located at the bottom of the honeycomb biomimetic drain tray, including a base side wall with multiple circumferentially oriented drainage holes. An air vent adjustment mechanism is located at the top of the biomimetic base and is fitted onto the outside of the honeycomb biomimetic drain tray. This utility model, by incorporating a honeycomb biomimetic drain tray, achieves both rapid drainage and efficient air permeability while maintaining structural stability. The hexagonal honeycomb structure of the honeycomb possesses the characteristics of "high strength, lightweight, and porosity," resulting in good uniformity of airflow within the pot, increased air permeability, and significantly improved drainage speed.

The utility model relates to a kind of fine particle grade mineral medium spiral chute ore-dressing equipment, including spiral chute, the internal flow guide mechanism of spiral chute is provided, the flow guide structure includes two spiral tracks and a flow guide box, two the spiral track is respectively arranged on the outer spiral inner side wall and inner spiral inner side wall of spiral chute, the flow guide box is slidably installed between two spiral tracks by driving cone wheel, the driving cone wheel is installed in flow guide box both sides, the flow guide box both sides are connected with clamping plate, flow guide roller is rotatably connected between two the clamping plate, the flow guide roller is in contact with spiral chute inner bottom surface.This equipment is combined ingeniously by spiral chute and flow guide mechanism, can make mineral evenly distribute on spiral chute and continuously flow with water flow, so as to realize the efficient flow guide and accurate sorting of mineral.

The utility model discloses a separated spray dust removal tower which comprises a tower body, a plurality of groups of spray pipes and spray heads, a sedimentation tank arranged at the bottom of the tower body, a spray pump communicated with the spray pipes, and spray isolation components arranged between the adjacent spray pipes. The spraying isolation assembly comprises an annular water collection tank, a water baffle arranged above the through hole, a water drainage pipe communicated with the water collection tank and a plurality of supporting pieces, the water collection tank is used for collecting spraying liquid on the upper layer, the water baffle is arranged above the through hole in a suspended mode and prevents the spraying liquid from directly dripping to the lower layer, and the water drainage pipe introduces the collected liquid into the sedimentation tank. By means of the structure, liquid physical isolation of different spraying intervals is achieved, meanwhile, vertical and smooth flowing of flue gas is kept, the dust removal efficiency is improved, interlayer interference is avoided, and the device has the advantages of being simple in structure, high in adaptability, stable in operation and the like and is suitable for various industrial flue gas treatment scenes.

The utility model relates to die technical field, concretely is iron tooth punch -die with many drainage grooves, including base, the both sides of base's top are equipped with the side plate, is provided with the upper die and lower die between the side plate, the bottom of upper die is equipped with the male die, the top of lower die is provided with female die, pre -place the material to be stamped on female die, the upper die downward stamping, drive male die and female die pressure, make the material to be stamped on female die stamping forming, the inside of female die is provided with the recess, the outside of recess is provided with a plurality of drainage grooves. This iron tooth punch -die with many drainage grooves, the utility model's female die sets up a plurality of drainage grooves outside the recess. In the stamping process, the material of iron tooth protruding part and other positions can be effectively drained to both sides and other effective positions, greatly reduces the waste of material. The drainage groove of reasonable design can guide the orderly flow of excess material, avoids the massive accumulation of material in protruding part and other key areas.

The utility model relates to the technical field of mortar pumps, and discloses a spiral mortar pump which comprises a pump body, the pump body comprises a pump cavity, a fluid inlet and a fluid outlet, the pump cavity is communicated with the fluid inlet and the fluid outlet, and a fluid inflow channel is formed between the pump cavity and the fluid inlet; and the impeller is rotationally arranged in the pump body and comprises an impeller body and blades, and the tops of the blades spirally extend into the fluid inflow channel. A fluid inlet is formed in the pump cavity, a fluid inlet channel is formed between the pump cavity and the fluid inlet, the top of the blade spirally extends into the fluid inlet channel, after mortar enters from the fluid inlet, the blade can effectively conduct drainage in the fluid inlet channel, flow guiding starts at the position of the fluid inlet, perpendicularity of the cutting face, making contact with the mortar, between the blade and the mortar is reduced, and therefore the cutting efficiency is improved. Blade abrasion is reduced, and the service life of the pump is prolonged.

This invention provides a garment processing device, including a support, a garment processing drum, and a suction and drainage device. The garment processing drum is mounted on the support and configured to accommodate garments to be processed. The suction and drainage device has a suction port that communicates with the inside of the garment processing drum. The suction and drainage device is configured to draw liquid from the garment processing drum through the suction port to discharge the liquid from the drum. The garment processing drum is arranged such that liquid is discharged only through the suction and drainage device. The garment processing device does not have an outer drum, allowing for an enlarged garment processing drum and expanded washing capacity. Drainage is achieved directly using the suction and drainage device. The suction and drainage device is located on the outer side of one end of the garment processing drum, not occupying internal space and allowing for a larger washing capacity. This location also facilitates maintenance and installation of the suction and drainage device.

This invention relates to the field of construction technology in pebble-rich water-bearing areas, and more specifically, to a construction method for buildings in such areas. The method involves first digging drainage ditches around higher elevations to intercept surface water; then, integrating high and low elevation areas for unified excavation of the foundation pit, utilizing natural elevation differences and a gravity-fed drainage system using perforated UPVC pipes and graded crushed stone; setting up temporary water-retaining embankments and implementing staggered construction from high to low elevations, with closed-loop dedicated drainage channels at the junctions to direct water flow; installing prefabricated waterproof concrete collection wells in low-lying areas, forming a closed-loop waterproof system with foundation brick formwork and flexible waterproof membrane; and finally, constructing crushed stone drainage blind paths along the surrounding wall foundations and backfilling. This invention achieves continuous, all-weather, non-powered water control, ensuring the stability of the foundation pit slopes and zero leakage in the main structure. This invention is mainly applied to the construction of buildings in pebble-rich water-bearing areas.

The application discloses a coaxial multi-atmosphere water guide laser processing device, which comprises a laser generating module, a light-water coupling module, a protective gas flow generating module and a composite nozzle assembly. The light-water coupling module couples the water jet and the laser by total reflection to form a laser water jet. The protective gas flow generating module comprises a first protective gas flow generating module and at least one second protective gas flow generating module, and can generate multiple layers of coaxial protective gas flows. The first protective gas flow spirally surrounds the outside of the laser water jet, and the second protective gas flow further surrounds the outside of the first protective gas flow. The composite nozzle assembly is composed of a first nozzle and at least one second nozzle which are coaxially nested from inside to outside. Finally, the output is a coaxial composite jet composed of the laser water jet and the multiple layers of protective gas flows. The application solves the technical problems that are difficult to simultaneously realize efficient water drainage, prevent molten material from splashing back and maintain the stability of the water jet in the prior art.

The present application relates to the technical field of coal mine water prevention and control, and particularly discloses an intelligent monitoring and control method for coal mine water prevention and control. The present application intelligently identifies the position of a hydrological disaster source in a coal mine underground roadway by monitoring the hydrological disaster related information of the coal mine underground roadway, and starts a drainage device near the hydrological disaster source, thereby avoiding or reducing the loss caused by the hydrological disaster to a certain extent. The present application analyzes the reference drainage parameters of the operation drainage device of each hydrological disaster source by monitoring the severity of each hydrological disaster source in the coal mine underground roadway, and controls the operation drainage device of each hydrological disaster source based on the reference drainage parameters, thereby improving the pertinence and effectiveness of the coal mine underground roadway water prevention and control work to a certain extent. The present application monitors the drainage effect of the operation drainage device on both sides of the hydrological disaster source, starts and controls the auxiliary operation drainage device, and analyzes and controls the reference drainage parameters of the auxiliary operation drainage device according to the actual situation, thereby ensuring that the drainage operation can be effectively performed under various complex hydrological disaster conditions.

The utility model relates to an upright lockrand piece and waterproof roof.The upright lockrand piece comprises a fixing support and a clamping hoop, the fixing support comprises a connecting part and an upright part which are connected with each other, and the clamping hoop is connected to the outer side of the upright part in a clamped mode; and an accommodating gap for accommodating an overlapping area at the connecting edge of the two waterproof coiled materials is reserved between the inner side surface of the clamping hoop and the upright part. According to the vertical edge locking piece for lap joint edge locking of the waterproof coiled materials, the fixing support and the clamping hoop are arranged, the fixing support can be connected to a roof through the connecting part, the edge connecting positions of the two adjacent waterproof coiled materials are overlapped and then clamped on the vertical part of the fixing support, the edge connecting positions of the two adjacent waterproof coiled materials are effectively sealed, and the waterproof effect is good; in addition, a plurality of drainage areas separated by a plurality of groups of vertical lockrand pieces which are longitudinally arranged can be formed on the roof, and effective drainage of the roof is facilitated.

This utility model discloses a sunken bathroom waterproof structure, including a floor slab structure and a wall structure. The upper end of the floor slab structure has a lower groove. Inside the lower groove, from bottom to top, are arranged a first waterproof coating, a waterproof mortar layer, a first waterproof and seepage-proof layer, a concrete layer, a second waterproof and seepage-proof layer, a leveling layer, and a tile layer. A main drain pipe is located near the wall structure. A floor drain is located at the center of the tile layer, and the lower end of the floor drain is connected to a drain pipe. The drain pipe is vertically arranged with one end extending to the bottom of the lower groove. An L-shaped secondary drain pipe is located to the left of the main drain pipe, and the other end of the secondary drain pipe passes through the floor slab structure and connects to the main drain pipe. This application includes a first leakage drainage component, a second leakage drainage component, and a secondary drain pipe. Furthermore, the first and second waterproof and seepage-proof layers have a conical structure, and the first waterproof coating has a sloping structure, which features timely and efficient drainage.

The application discloses a high-deep long tunnel structure arranged in water-rich surrounding rock. The high-deep long tunnel structure can effectively drain water according to the water seepage condition outside the tunnel surrounding rock, and guarantees the operation safety of the long tunnel body. The high-deep long tunnel structure comprises a long tunnel body, a surrounding rock water condition identification system, a water collecting, pressure equalizing, water conveying and pressure releasing system and a control assembly. The water collecting, pressure equalizing assembly of the water collecting, pressure equalizing, water conveying and pressure releasing system is arranged between the secondary lining layer and the primary support layer of the long tunnel body, and the water collecting end of the water collecting, pressure equalizing assembly penetrates through the primary support layer in the radial direction and extends into the water-rich surrounding rock. The water pressure monitoring assembly of the surrounding rock water condition identification system is arranged in the water-rich surrounding rock outside the long tunnel body. The surrounding rock water condition identification system and the water conveying and pressure releasing assembly are connected with the control assembly respectively. The high-pressure water stored in the water-rich surrounding rock is collected through the water collecting, pressure equalizing assembly, and is input into the drainage system of the long tunnel body according to the parameters monitored by the surrounding rock water condition identification system and under the cooperation of the control assembly.

The application provides an air conditioner outdoor unit electric control box mounting structure, the outdoor unit comprises an outdoor unit bottom plate, the air conditioner outdoor unit electric control box mounting structure comprises a wind isolation vertical plate arranged on the outdoor unit bottom plate, one side of the wind isolation vertical plate is a compressor cavity, and the wind isolation vertical plate comprises a mounting plate and an electric control box mounting opening formed in the mounting plate; the air conditioner outdoor unit electric control box mounting structure further comprises an electric control box, the electric control box is arranged on one side of the wind isolation vertical plate and faces the compressor cavity, the electric control box comprises a radiator support and a water guide groove arranged on at least one side of the radiator support, and the radiator support is arranged on the electric control box mounting opening. The application solves the problems that water droplets are easily thrown into the electric control box and water accumulation is difficult to drain between the air conditioner outdoor unit electric control box and the electric control box mounting opening.

The invention discloses an anti-blocking peritoneal drainage tube with a built-in self-cleaning mechanism, and belongs to the technical field of medical care. Cleaning action is triggered by manually pressing an external pressing ring, when a second sliding ring moves downwards, a sliding column slides along a track of an inclined groove, a second supporting rail generates circumferential deflection, and the self-cleaning mechanism is arranged on the second sliding ring; the cleaning tentacles scrape impurities such as tissue debris and blood clots attached to the edges of the suction main hole and the suction branch holes and the outer wall of the abdominal cavity drainage inner tube, the multiple elastic frameworks are opened to prevent visceral organ tissues from being sucked into the suction main hole and the suction branch holes, the sliding columns slide to the lowest ends of the inclined grooves and are located at the bottoms of the vertical grooves, and after the pressing rings are loosened, the suction main hole and the suction branch holes can be sucked into the suction main hole and the suction branch holes. The elastic reset force of the elastic skeleton drives the cleaning assembly to reset, a single cleaning cycle is completed, the traditional mode of normal saline flushing, negative pressure suction or drainage tube replacement is abandoned, the purposes of efficient drainage and active blocking prevention are achieved, the blocking rate of a traditional drainage tube and the risk of postoperative complications are greatly reduced, and the whole-process operation is easy and convenient. And external complex power equipment is not needed.

The utility model discloses an alignment-free grass planting brick, and belongs to the technical field of grass planting bricks. The grass planting brick comprises a grass planting brick body, a grass planting hole is formed in the top face of the grass planting brick body in a penetrating mode, a water storage groove is formed in the inner wall of the grass planting hole, a drainage groove is formed in the bottom face of the grass planting brick body, a clamping block is fixedly connected to one side of the grass planting brick body, and a clamping groove is formed in the other side of the grass planting brick body. The drainage grooves, the water storage grooves, the clamping blocks and the clamping grooves are matched, alignment-free rapid installation can be achieved through equidistant staggered splicing of the hexagonal clamping blocks and the clamping grooves on the side edges, construction efficiency is improved, transverse and longitudinal displacement of the brick body is limited, paving stability is guaranteed, rainwater can be collected and stored through the water storage grooves, and the rainwater slowly infiltrates downwards to supply water to plant roots; and the drainage grooves and the adjacent brick bodies are in butt joint to form an integral drainage network, so that efficient drainage is realized, and water accumulation is avoided.

A secondary drainage system for draining water seeping from tile grout in bathrooms addresses the technical problem mentioned in the background art: secondary drainage relies on secondary leveling, requiring a drainage slope of at least 2° with the ground as the base layer and the secondary drain outlet as the lowest point. Therefore, without leveling the ground, water seeping into the tile grout cannot be effectively drained. The system includes a main drain pipe with an inlet and an outlet at both ends. Four branch pipes are connected to the main drain pipe, each connected to the side wall of the main drain pipe and evenly distributed circumferentially. Each branch pipe has a connecting pipe with several through holes for collecting water from the grout between adjacent tiles and discharging it into the branch pipe. Adjacent connecting pipes have connecting components, including a first connector, a second connector, a first elbow, a second elbow, and a plug.

The invention discloses an underground entrance flood control system and a control method, and belongs to the technical field of urban drainage waterlogging prevention and flood disaster prevention and control. The problems that in the prior art, due to the fact that water drainage, flood prevention and flood drainage of an underground inlet cannot be effectively connected when rainwater flows backwards, an underground space is flooded to cause disasters, single-stage water drainage facilities are insufficient in flow passing capacity, most water retaining facilities are fixed, daily passing is affected, water drainage equipment lacks intelligent linkage, and the water drainage efficiency is poor are solved. And the damage of the rainwater storage tank affects at least one problem of later drainage and flood prevention effects. The flood control system comprises a stepped drainage assembly, a rainwater regulation and storage pond and a drainage pump set, the drainage pump set is arranged in the rainwater regulation and storage pond, a water outlet of the stepped drainage assembly is connected with a water inlet of the rainwater regulation and storage pond, and the rainwater regulation and storage pond is arranged on the side of an underground entrance ramp. The method can be used for underground entrance flood control.

The invention discloses a wellhead intelligent desanding skid-mounted device which comprises a rotational flow desanding cylinder unit, a dynamic liquid discharging and sand collecting tank unit, a pipeline system, a replaceable rotational flow desanding cylinder, a device support assembly, a valve control device and a monitoring device. The replaceable cyclone desanding cylinders with different sizes are arranged along a guide rail on the device support assembly in a sliding manner and are detachably connected with the pipeline system; the cyclone desanding cylinder is communicated with the gas inlet pipeline and the gas outlet pipeline, the dynamic liquid discharge and sand collection tank unit is communicated with the liquid discharge pipeline and the sand discharge pipeline, and the bypass pipeline is communicated with the gas inlet pipeline and the gas outlet pipeline; an inverted-U-shaped self-adaptive liquid discharging structure is arranged in the dynamic liquid discharging and sand collecting tank, and an online cleaning structure and a monitoring device are arranged in the dynamic liquid discharging and sand collecting tank. According to the invention, through cooperative arrangement of multiple groups of cyclone desanding cylinders and sand collecting tanks and cooperation of valve group switching, continuous desanding operation under gas injection and gas production working conditions is realized, shutdown sand discharge is avoided, the adaptability to sand-containing working condition changes is improved, and the operation reliability and maintenance efficiency of the device are enhanced.

This invention relates to the field of wastewater treatment technology, and in particular to a scraper and flotation device for wastewater treatment, comprising a skimming assembly including a rotating drum, two sets of scrapers disposed on the rotating drum, and a movable component disposed on the scrapers; the movable component includes a groove formed on the scraper, a sliding groove formed on both sides of the groove, a movable plate disposed on the groove, a movable slot formed at the bottom of the movable plate, and a spring component disposed at the bottom of the movable plate; the movable plate moves against the top of the scraper under the elastic potential energy of the spring component; this invention solves the problem that a large amount of water is simultaneously brought into the collection device when the skimming assembly scrapes and collects scum by driving the movable plate to dynamically reverse its shape during the scraping process of the scraper rotating.