76results about How to "Improve drainage effect" patented technology

The invention provides an annual intercropping green manure planting method suitable for orchards in plateau areas. According to the method, tartary buckwheat and vicia villosa are mainly adopted as green manure plants, and a plurality of key steps of land parcel selection, soil preparation before sowing, variety selection, seed treatment, green manure sowing, plant management, cutting and covering and the like are clearly stipulated. The method can improve the utilization rate of nutrients in the soil, increase the content of organic matters in the soil, improve the soil quality, effectively inhibit growth of weeds between rows and on ridges of the organic apple orchard, reduce the weeding cost, and solve the problem of high labor cost caused by long-term ploughing and weeding of the organic apple orchard in the plateau mountain area of Yunnan province. Excessive dependence on organic fertilizer is effectively relieved, and the method is an annual intercropping mode for comprehensively improving ecological benefits and economic benefits of the orchard.

The invention relates to the technical field of explosion-proof permanent magnet motors, and discloses a low-voltage explosion-proof dust explosion-proof permanent magnet motor which comprises an explosion-proof shell, a front end cover and a rear end cover, the front end cover and the rear end cover are arranged on the two sides of the explosion-proof shell respectively, and the front end cover and the rear end cover are both attached to the explosion-proof shell. And a dustproof heat dissipation mechanism is arranged on the rear end cover. Through the design of a dustproof heat dissipation mechanism, a connecting rod drives fan blades and a U-shaped plate to rotate, after the fan blades rotate, external airflow is sucked from an air inlet hole to achieve the purpose of air cooling, before the airflow enters, a filter screen filters dust, a cleaning layer cleans away dust on the filter screen when passing through the filter screen, and when passing through a scraper blade, the dust on the filter screen is cleaned away by the cleaning layer; the scraper blade scrapes off dust on the cleaning layer, air-cooled gas is finally discharged through the exhaust hopper, the scraped-off dust can be quickly blown away, the situation that dust explosion is possibly caused by dust gathering is avoided, the application range is wider, and safety is higher.

The invention discloses an eye implant which comprises an implant body, the implant body is in a strip shape, the outer contour of the upper surface of the implant body is in a protruding arch shape or a semi-arch shape and used for making contact with a sclera, and the lower surface of the implant body is in a plane shape and used for making contact with a choroid; a longitudinal drainage groove is formed in the upper surface of the implant body in the front-back direction of the implant body. The whole implant body is of a structure that the front end and the rear end are gradually thin and the middle is thick or the rear end is gradually thin and the middle is thick to the front end, the implant body can smoothly enter the suprachoroidal space, an originally narrow gap of the suprachoroidal space is expanded, the outflow amount of aqueous humor from the suprachoroidal space is increased through the longitudinal drainage grooves, the drainage effect is good, blocking is not prone to occurring, and the application range is wide. The effect of reducing the intraocular pressure is achieved. The lower surface of the implant body is planar, so that the attachment area of the implant body and the choroid is larger, the implant body can be stably attached to the choroid, the risk of displacement of the anterior chamber and the choroid is reduced, the implant body is prevented from being exposed to the anterior chamber to touch the cornea, and the risk of loss of corneal endothelial cells is reduced to the maximum extent.

The invention discloses a pleural effusion drainage device for postoperative treatment, which comprises a drainage tube, a liquid collection container, a negative pressure generation device and a controller, one end of the drainage tube is communicated with the liquid collection container, the other end of the drainage tube is provided with a drainage end, the inner side of the drainage end is provided with a first pressure sensor, and the drainage tube is provided with a contraction part; a second pressure sensor is arranged on the inner side of the contraction part; and the negative pressure generating device is communicated with the liquid collecting container and is electrically connected with the controller. The negative pressure of the liquid collecting container is controlled through the negative pressure generating device, the negative pressure of the liquid collecting container is kept in a proper state, a good drainage effect can be obtained, and postoperative observation and recovery of a patient are facilitated. Besides, a contraction part is designed on the drainage tube, the viscous hydrops are gathered at the contraction part, the pressure of the contraction part is detected by a second pressure sensor, and if the contraction part is blocked, the drainage tube can be kept unobstructed by increasing the negative pressure output of the negative pressure generating device.

The invention discloses a reciprocating pultruder suitable for a glass fiber reinforced plastic bridge, and the invention relates to the technical field of pultruders. The invention comprises an extruder, the extruder is fixedly connected to the side of the support plate away from the bottom plate, the winding box is fixedly connected to the top of the bottom plate, the winding assembly is slidably connected to the inside of the winding box, the impregnation shell is fixedly connected to the top of the bottom plate, the impregnation assembly is slidably connected to the inner wall of the impregnation shell, the extrusion assembly is fixedly connected to the top of the bottom plate, one side of the winding box is fixedly connected to the side of the threading plate away from the extruder, and the remaining two threading plates are slidably connected to the inside of the impregnation shell, the number of threading plates is set to three, the three threading plates gradually become smaller, and the glass fiber yarns inserted into the three threading plates gradually come together to form a dense structure, which is conducive to improving the strength of the glass fiber reinforced plastic bridge after forming, and the glass fiber yarns unwound from the winding box are far apart, and each fiber is clearly distinguished when punching, and it is not easy to pierce the wrong hole.

The invention discloses an anion exchange membrane electrode and a preparation method and application thereof, and belongs to the technical field of new energy material and catalytic electrode preparation, the method comprises the following steps: S1, preparing an anode catalyst slurry comprising a hydrophobic covalent organic framework material, an anode catalyst, an anion exchange ionomer and a solvent; s2, preparing a cathode catalyst slurry of which the components comprise a cathode catalyst, an anion exchange ionomer and a solvent; and S3, respectively spraying or coating the anode catalyst slurry and the cathode catalyst slurry on two side surfaces of an anion exchange membrane or a gas diffusion layer, and carrying out heat treatment to obtain the anion exchange membrane electrode. The method provided by the invention can solve the problems of large gas-liquid-ion three-phase mass transfer resistance, easy shielding of active catalytic sites by ionomers and unbalanced water management in the membrane electrode assembly in the existing AEMWE device.

The invention discloses a water-cooling chip removal device and method for machine tool machining, and relates to the technical field of machine tools. The chip removal device comprises a chip removal bottom box arranged on the lower portion of a machine tool body, and further comprises a chip collection unit and a chip removal unit, the chip removal unit comprises a vibration screening assembly, a chip guide assembly and a liquid removal assembly; the vibration screening assembly is used for screening the waste chips collected by the collecting assembly according to the volume; the scrap guiding assembly is used for conducting the screened scraps into the liquid removing assembly, and waste liquid in the scraps is removed through the liquid removing assembly. The chip removal device has the advantages that by adopting a collection mode of matching gravity collection and adsorption collection, chips in a machine tool can be thoroughly collected, waste is avoided, meanwhile, by adopting a chip removal mode of matching vibration screening, rotary centrifugation and air blowing, grading treatment of the chips can be achieved according to the size, and the chip removal efficiency is improved. Meanwhile, waste liquid adhered to the scraps can be removed, and the treatment effect is better.

The invention relates to the technical field of labels, in particular to a label management system for private domain drainage, firstly, the system generates a unique two-dimensional code for each commodity, the unique two-dimensional code comprises commodity identification information and private domain drainage information, the two-dimensional code can be used for warehouse-in and warehouse-out management of a warehouse and can also provide skipping of a private domain platform for consumers to scan the code, and when the commodities are put in and out of the warehouse, the commodity identification information is stored in the private domain drainage information; a worker updates an inventory state in real time by scanning a code, when a consumer scans the code, the system guides to a private domain platform according to a preset path to promote interaction between a merchant and the consumer, and the system also provides real-time acquisition and analysis of code scanning data, helps the merchant to understand a drainage effect, optimizes a marketing strategy, and improves the marketing efficiency through data-driven precise marketing. The system can push personalized contents to different consumers, and the drainage effect and the re-purchase rate are improved. According to the invention, through the design of one-code multi-purpose and one-object one-code, the functions of commodity warehousing and ex-warehouse management and private domain drainage are integrated, and the warehousing and marketing processes of the clothing industry are optimized.

The drainage device comprises a mushroom head, a drainage tube, a first water bag and a second water bag, the mushroom head is arranged at the end of the drainage tube, a plurality of drainage holes communicated with an inner cavity of the drainage tube are distributed in the surface of the mushroom head, and the drainage tube is fixedly sleeved with the first water bag and the second water bag on one side of the mushroom head. The first water bag is communicated with the first water injection port, the second water bag is communicated with the second water injection port, the first water injection port and the second water injection port are fixedly arranged on the drainage tube, and the first water injection port and the second water injection port are both provided with switch valves which can be connected with a water injection device to alternately inject water into the first water bag and the second water bag. The first water bag and the second water bag are used for fixing the device in the intestinal tract, the water bags are large in self weight and can be better tightly attached to the intestinal wall, intestinal juice and other contents are prevented from seeping through the water bags to pollute an operation wound, and the first water bag and the second water bag are alternately used so that the burden of the intestinal wall can be relieved; intestinal injury caused by intestinal wall ischemia due to long-time compression of a single part of the intestinal wall is avoided.

The utility model relates to the technical field of urban rail transit vehicle base engineering design, in particular to an inspection pit drainage combined structure of a double-layer vehicle base TOD, a surface layer is arranged above a two-layer plate, floor drains are respectively arranged on two sides of the surface layer, the floor drains are positioned on the outer side of an inspection pit, and the surface layer and the floor drains are arranged on the outer side of the inspection pit. The surface layer has a certain gradient in the direction from the inspection pit in the upper layer to the floor drain; a drainage ditch is arranged in the inspection pit on the lower layer, and the floor drain is communicated with the drainage ditch through a drainage pipeline. The utility model has the advantages that the number of invalid space sandwich plates is reduced, the construction cost is greatly reduced, and the damage factors to the overhead line system are reduced; the structure is simple and reasonable, transformation of an existing double-layer vehicle base can be achieved, the drainage effect is stable, and the method is suitable for popularization.

This application relates to the technical field of drainage devices, and provides a postoperative irrigation and drainage mechanism, including an irrigation tube and a drainage tube. The outer diameter of the irrigation tube is smaller than the inner diameter of the drainage tube. The irrigation tube includes an inlet section and an irrigation section that are interconnected. The central axes of the inlet section and the irrigation section are not on the same straight line. An inlet is provided on one side of the drainage tube, and the inlet section extends out of the inlet. The irrigation section is located inside the drainage tube and is arranged along the inner wall of the drainage tube. The length direction of the irrigation section is consistent with the length direction of the drainage tube. Several side holes are provided on the side of the drainage tube along its length direction. Based on this, clogging of the drainage tube can be avoided as much as possible, and the drainage effect can be improved.

The utility model relates to the technical field of medical auxiliary instruments, in particular to a drainage tube for drainage after head and neck thyroid surgery and an auxiliary structure, which comprises an application pressing sheet, neck bandages are connected to the left side and the right side of the application pressing sheet, one end, far away from the application pressing sheet, of each neck bandage is connected with an adhesive tape, and the adhesive tape is connected with a drainage tube for drainage after head and neck thyroid surgery. A pipe inserting base is arranged in the middle of the top of the application pressing piece, fixing vertical plates are arranged on the portions, located on the left side and the right side of the pipe inserting base, of the top of the application pressing piece, and extrusion springs are connected to the tops of the inner sides of the fixing vertical plates in a longitudinal symmetry mode. The auxiliary structure of the drainage tube can be used for carrying out auxiliary supporting and fixing on the connecting end of the drainage tube body and the neck, the supporting force can prevent the connecting end from being folded and shrunken due to the action amplitude, and therefore the drainage effect is improved.

The utility model discloses a waterproof device for doors and windows, belongs to the technical field of waterproof of doors and windows, and solves the problems that a window sash of an existing device is easy to cause downward bending of a transverse groove plate, so that the sliding of the window sash is not smooth, the transverse groove plate is horizontally arranged, the flowing speed of water on the top surface of the transverse groove plate through a through hole is slow, and the drainage effect is poor. Comprising a door and window frame, and a groove is formed in the inner wall of the door and window frame; a lower supporting plate with the section in a right triangle shape is fixedly installed on the inner wall of the bottom side of the groove, drainage holes distributed in a linear array mode are formed in the bottom end of the outer vertical face of the groove, and a first guide rail and a second guide rail which are vertically arranged are arranged on the top face of the lower supporting plate. The first guide rail and the second guide rail are supported through the lower supporting plate so that the window sash can smoothly slide on the first guide rail and the second guide rail, rainwater in the groove can be gathered on the top face of the lower supporting plate, then the rainwater flows towards the outer vertical face along the top face of the lower supporting plate, and the rainwater drainage rate can be increased.

The embodiment of the invention discloses a live broadcast-based content publishing method and device, equipment and a medium, and is applied to the technical field of Internet. The method comprises the steps that a live broadcast interface of target live broadcast is displayed, first prompt information is displayed on the live broadcast interface in response to generation of target media content, target published content is published based on triggering operation for the first prompt information, and a content detail page of the target published content comprises the target media content and a live broadcast entrance. The live entry is used for accessing the target live. By adopting the embodiment of the invention, the drainage effect of the live broadcast can be improved after the live broadcast starts.

The present invention discloses a surface cleaning device with good dirt suction effect, comprising a dirt suction fan and a floor brush provided with a roller brush, the floor brush being provided with a dirt suction port facing the roller brush, a comb tooth member with multiple comb teeth and a scraper, the comb tooth member and the scraper respectively abut against the roller brush to scrape off dirt on the surface of the roller brush, the dirt suction fan sucks away the scraped dirt / dirty liquid through the dirt suction port, the comb tooth member extends downward from the top outer side of the dirt suction port to the dirt suction port to partially cover the dirt suction port to increase the suction pressure, and at the same time the comb teeth guide the sucked dirt or dirty liquid toward the dirt suction port, most of the dirty liquid and dirt sucked from the surface to be cleaned to the dirt suction port as well as entangled objects such as hair can easily enter the dirt suction port, the dirt suction effect is good, the dirt suction efficiency is high, thereby bringing a good experience to customers.

The invention discloses a lightning protection blade for a wind turbine, belonging to the technical field of wind power generation. The upper and lower parts of the base are connected to the blade body and the connector respectively, a second cavity is provided in the blade body, and a support plate is provided inside the second cavity; a support column passes through the support plate and the two ends are connected to the inner wall of the second cavity; a third cavity is provided outside the second cavity, and a metal mesh is provided inside the third cavity; a first conductive strip is provided on the outer surface of the blade body, and the first conductive strip is connected to a lead-in terminal; a second conductive strip is connected to the tip of the blade body, and the second conductive strip is connected to a lightning receptor, and the bottom of the lightning receptor passes through the blade body to reach the third cavity and is connected to the metal mesh; a conductive rod is connected to the back surface of the blade body, and the first conductive strip and the second conductive strip are both connected to the conductive rod, and the conductive rod is connected to the grounding device of the wind turbine through a wire. The invention can effectively protect the blade from lightning strikes, and improve the firmness of the blade while reducing the weight of the blade, thereby increasing the service life of the blade.

The application discloses a precision filter for chemical production and processing and a processing method thereof, and relates to the technical field of sodium benzoate preparation, which comprises a fixed base, a partition disc and a cleaning assembly. The top of the fixed base is welded with a shell, the outer surface of the shell is provided with a visual window, and the left side of the shell is connected with a water inlet pipe. The precision filter for chemical production and processing and the processing method thereof have the following advantages. The preparation liquid in the shell is filtered by the outer filter shell first, and then filtered by the inner filter pipe. In addition, the top cover is moved upwards to drive the pull rod and the limiting cover to move upwards, so that the plug is separated from the plug hole, and the connecting seat is separated from the pipe. The improved precision filter is used in cooperation with the outer filter shell and the inner filter pipe, so that the double filtering purpose is achieved, the filtering effect is improved, the disassembly and assembly process of the inner filter pipe is simplified, and the regular replacement of the inner filter pipe is facilitated.

The invention belongs to the technical field of vehicles, and discloses a battery pack box body capable of preventing coolant leakage and a vehicle, the battery pack box body comprises a battery box frame body, an integrated liquid cooling plate and a bottom protection plate, the integrated liquid cooling plate is located between the battery box frame body and the bottom protection plate, and the integrated liquid cooling plate is provided with at least one liquid discharge hole. The liquid discharging hole is communicated with an interlayer area between the integrated liquid cooling plate and the bottom protection plate, and a soluble breathable film and a liquid discharging unit used for preventing the soluble breathable film from being dissolved in advance are arranged at the liquid discharging hole. The liquid discharging function can be automatically started when the cooling liquid leaks, external impurities can be effectively prevented from entering, meanwhile, the problems of detection and differential pressure balance of the sealed space at the bottom of the battery pack are solved, and therefore the safety performance of the battery pack is comprehensively improved.

The invention discloses a cinder ladle accumulated liquid emptying device, and relates to the technical field of cinder ladle accumulated liquid emptying devices, the cinder ladle accumulated liquid emptying device comprises a portal frame, a suction assembly, a blowing assembly, a communicating assembly and a driving assembly; the suction assembly is used for performing suction operation on accumulated liquid in the cinder ladle; the blowing assembly is used for conducting blowing operation on the side face of the inner wall of the cinder ladle and cleaning residual water drops on the side face of the inner wall of the cinder ladle. The liquid suction pipe is unwound through the first electric winding drum, so that after the liquid suction head is lowered to the bottom of the cinder ladle, accumulated liquid in the cinder ladle is sucked and discharged; when the accumulated liquid is sucked, the rotating motor drives the spray head to do circular motion, and air flow sprayed by the spray head blows down residual water drops on the side wall of the cinder ladle, so that the water drops on the side wall of the cinder ladle fall down in an accelerated manner and are gathered at the bottom of the cinder ladle; the horizontal guide rod drives the spray head to move along the track of the corrugated annular guide rail, and the spray head is forced to obliquely move up and down.

The invention belongs to the technical field of municipal engineering, and particularly relates to an anti-blocking gutter inlet for municipal engineering, the interior of a vertical shaft is divided into a water inlet chamber and a dirt removal chamber through a partition plate, a water inlet wellhead and a dirt removal wellhead are arranged at the upper end of the vertical shaft, and a pneumatic telescopic rod for rotating a first well lid is arranged in the water inlet wellhead; the water inlet chamber is internally provided with a self-power-generating crushing mechanism for cutting up plants and plastic bags in rainwater; the self-power-generating crushing mechanism can conveniently cut up plants and packaging bags which enter along with rainwater from the opening, facing the road, of the water inlet opening, so that the situation that the rainwater inlet is blocked after the plants and the packaging bags are mixed is avoided, and waterlogging of a city due to blockage of the rainwater inlet is avoided; therefore, the pneumatic telescopic rod can drive the first well lid to turn upwards when stretching out and drawing back, blockage caused by the small water inlet of the rainstorm water inlet well mouth is avoided, and the flood drainage capacity of the gutter inlet is improved.

The invention provides a wound dressing change device for thoracic surgery patients, and belongs to the technical field of wound dressing change, washing and drainage. Comprising a nursing bed body, a human body model is arranged at the top of the nursing bed body, a nursing trolley body is arranged on one side of the nursing bed body, a storage box is arranged at the bottom of the nursing trolley body, a storage plate is arranged at the top of the nursing trolley body, and a collecting barrel is arranged at the top of the storage plate. By arranging the flushing drainage mechanism, the auxiliary cleaning and dressing change mechanism can be installed on the edge of one side of the nursing bed body, then the flushing drainage mechanism is installed on the auxiliary cleaning and dressing change mechanism to be used, and then a connecting pipe is fixed to the flushing drainage mechanism to conduct dressing change flushing operation on a wound; and redundant liquid generated in the flushing process can be drained and collected into the collecting barrel by the flushing drainage mechanism, and solid waste and liquid waste are rapidly separated by utilizing the separation net, so that subsequent treatment is facilitated.

The utility model discloses a rail drainage structure of an aluminum alloy sliding door, which comprises a drainage tank mounted on a rail plate, two groups of slideways are arranged at the top of the rail plate, the drainage tank comprises a discharge port and a water outlet, the discharge port is communicated with the water outlet, a filter component is arranged on the drainage tank, and the filter component is communicated with the slideway. The filter assembly comprises a filter part and a cleaning part, the filter part comprises a filter screen, and the filter screen is fixed in the discharge port; by means of the designed filtering assembly, impurities and foreign matter on the track can be conveniently prevented from entering the interior of the discharging opening in the using process, and dust and impurities entering the interior of the discharging opening are intercepted and filtered; when a lot of dust and impurities are accumulated on the surface of the filter screen, the cleaning brush can be moved to sweep the dust and the impurities on the filter screen to one side, and then related tools are used for cleaning the dust and the impurities, so that the drainage effect is stable when water in the rail passes through the drainage groove.

The present application relates to a kind of air duct systems, including shell, motor assembly housed in shell and the air duct mechanism of cooling motor assembly, motor assembly has fixed stator in shell and the rotor of passing in stator, air duct mechanism has the drive fan installed in rotor, drive fan rotation generates cooling gas, air duct mechanism includes by the flow guide member rotated by cooling gas, first air duct formed between stator and shell and the second air duct independent of first air duct, second air duct is at least partially downstream of flow guide member, and, angle grinder using the air duct system has excellent heat dissipation performance and dustproof performance.

The utility model relates to the field of wearable anti-blocking effusion drainage devices, and discloses a wearable anti-blocking effusion drainage device which comprises a storage mechanism, a drainage mechanism is fixedly arranged at one end of the upper side of the storage mechanism, an extraction mechanism is fixedly arranged at the other end of the upper side of the storage mechanism, a fixing belt is fixedly arranged on the rear side of the storage mechanism, and the drainage mechanism and the extraction mechanism are fixedly arranged on the back side of the storage mechanism. The drainage mechanism comprises a cover, a drainage pipe is fixedly arranged at the upper end of the cover, the extraction mechanism comprises a telescopic shell, a spring is fixedly arranged on the inner side of the telescopic shell, a second pipeline is fixedly arranged at the upper end of the telescopic shell, and a first pipeline is fixedly arranged on one side of the second pipeline. According to the drainage device, extracted gas or liquid can be conveniently placed through the storage mechanism, the liquid or the gas can be conveniently conveyed through the drainage mechanism, the extraction mechanism extracts air in the storage mechanism to achieve the drainage strengthening effect, and the mechanism is convenient to wear through the fixing belt.

The utility model relates to the technical field of walking aids, in particular to a patient walking aid with a chest bottle fixing function. The breast bottle fixing device comprises a mounting plate, elbow support assemblies symmetrically arranged on the two sides of the mounting plate, two limiting assemblies which are parallel to the width direction of the mounting plate and slide in the height direction of the mounting plate, and a breast bottle fixing basket fixed to any elbow support assembly. The limiting assembly comprises two oppositely-arranged sliding blocks, a guide plate fixed to the two sliding blocks, an elastic band fixedly connected with one end of the guide plate and a guide ring fixed to the other end of the guide plate. The elastic band is matched with the guide ring; sliding rails arranged in the height direction are symmetrically arranged on the two sides of the mounting plate, and the two sliding blocks slide along the corresponding sliding rails respectively. Movement of the upper limbs of the patient is limited through the limiting assembly, the patient is prevented from driving the drainage tube to move in the walking process, and then the drainage tube is prevented from being folded relative to the chest bottle and even slipping off from the chest bottle.

The utility model relates to the technical field of medical drainage devices, in particular to an osteomyelitis medullary cavity drainage device which comprises a flushing tube, a drainage tube and a liquid collecting cover with a downward opening. The negative pressure drainage device is reasonable and compact in structure and convenient to use, after flushing liquid medicine is injected into the flushing pipe, the medullary cavity of a patient can be quickly flushed, and pus, hydrops, dead bones, granulation and the like are suspended in the flushing liquid medicine after falling off and being diluted, so that the pus and the like can be quickly discharged out of the body of the patient under the action of negative pressure, and the negative pressure drainage device has the advantages of being good in drainage effect and high in speed. The liquid collecting cavity communicated with the drainage tube can effectively increase the inner diameter size of the drainage cavity, and can effectively prevent large-size scab blocks, dead bones, granulation and the like from blocking the drainage tube and affecting the drainage effect; in addition, treatment liquid medicine can be injected into the medullary cavity through the device, so that treatment medicine is directly and fully contacted with the affected part for a period of time and then is discharged through the drainage tube in time, and the phenomenon that the metabolic burden of liver and kidney functions is aggravated due to the fact that too much medicine enters the whole body tissue is avoided.

The application discloses a washing machine, which comprises an outer drum, an exhaust hole arranged on the rear wall of the outer drum and used for connecting the inside of the outer drum with the outside, and a flow guide structure arranged at the exhaust hole and used for guiding water flow into the outer drum. The application can keep the air pressure inside and outside the outer drum stable during use, and when washing clothes, the flow guide structure can guide the generated turbulent water flow through the exhaust hole again, so that the washing water is guided into the outer drum again, the washing water is prevented from directly flowing out of the exhaust hole and water resource waste is avoided, and the use effect of the equipment is improved.

The utility model discloses an internally fixed anti-slip seroperitoneum drainage tube. The drainage tube comprises a drainage tube body, the drainage tube body is a coaxial double-cavity tube with an inner-layer tube cavity and an outer-layer tube cavity, a drainage end is arranged at one end of the drainage tube body, a connector plug is arranged at the other end of the drainage tube body, and the drainage end is in a pigtail shape and is provided with a plurality of drainage side holes; the portion, close to the drainage end, of the drainage tube body is sleeved with a balloon, the drainage tube body penetrates through the interior of the balloon, the connector plug is fixedly connected with a water injection tube and a liquid extraction tube, the water injection tube is communicated with an outer tube cavity of the drainage tube body, and the liquid extraction tube is communicated with an inner tube cavity of the drainage tube body. A water injection hole for filling the balloon by injecting water into the balloon is formed in the tube wall of the outer-layer tube cavity, and the liquid extraction tube is communicated with the inner-layer tube cavity of the drainage tube body. According to the structural design of the drainage tube, the problems that the drainage tube is not well fixed and is prone to slipping can be solved, seepage of an abdominal cavity puncture point is reduced, and a safer and more effective guarantee is provided for a patient who performs abdominal cavity puncture catheterization drainage.

This application relates to the field of irrigation technology, specifically disclosing a water-saving irrigation and drainage device for farmland, including a buried infiltration body, a water storage tank, a sprinkler assembly, and a surface pumping assembly. The buried infiltration body is installed below the field surface. The water storage tank is connected to both the buried infiltration body and the sprinkler assembly via pipes, and the surface pumping assembly is connected to the pipes connecting the water storage tank and the sprinkler assembly. Compared to existing technologies, this application not only utilizes the buried infiltration body to collect excess groundwater but also treats surface water accumulation through the surface pumping assembly, significantly improving drainage efficiency. Simultaneously, the entire device stores the collected water for irrigation, improving irrigation water efficiency and avoiding water waste. Moreover, the connections between the components are simple and reasonable, making construction relatively easy. A single buried infiltration body can be installed underground independently, eliminating the need for extensive field excavation and reducing construction difficulty.