10results about How to "Stable drainage" patented technology

This utility model relates to the field of road drainage technology, and in particular to a roadbed drainage structure, including a road surface and a roadbed. A drainage trough is provided on the roadbed, and a drainage grate corresponding to the drainage trough is embedded in the road surface. Drainage pipes are buried on both sides of the drainage trough within the roadbed, with one end of each pipe connected to the middle of the drainage trough and communicating with it. An anti-clogging component is provided within the drainage trough. The anti-clogging component includes a filter screen, a sand collection tray, and a drainage cylinder mesh. The drainage cylinder mesh is correspondingly arranged with the drainage pipes, and both ends of the drainage cylinder mesh are connected through the middle of the filter screen. The lower side of the filter screen is detachably connected to the sand collection tray, and a sedimentation net is provided on the upper side of the sand collection tray. This utility model provides an anti-clogging component below the drainage grate, and the filter screen has a cage-like structure for easy removal and cleaning. It also increases the side and upper filter surfaces to intercept and collect large debris such as branches and leaves, preventing branches and leaves from completely clogging the filter screen and ensuring stable drainage.

The present application provides a chest drainage tube and a chest drainage system with the chest drainage tube, comprising a collecting tube and a discharge tube integrally extended from the collecting tube, wherein at least a first drainage channel and at least a second drainage channel are formed in the collecting tube, the first drainage channel is used for draining liquid in the chest cavity, and the second drainage channel is used for draining gas in the chest cavity; a discharge channel is formed in the discharge tube, the discharge channel is communicated with the first drainage channel and the second drainage channel, so as to discharge the liquid and / or the gas entering through the first drainage channel and the second drainage channel to the outside of the body; the collecting tube comprises a closed section and an open section, the open section is integrally extended from one end of the closed section, and the closed section is located between the discharge tube and the open section; the first drainage channel and the second drainage channel located in the closed section are closed channel structures, and the first drainage channel and the second drainage channel located in the open section are open channel structures, so that the medium in the chest cavity enters the corresponding drainage channel through the open section.

The application discloses an engineering tire pattern structure with equal groove width, variable pitch, low noise and full wear period, and the like, and relates to the technical field of tires. The application breaks through the technical bottleneck of single performance, inconsistent performance of each pitch, uneven wear, poor structural reliability and low universality in the design of a traditional engineering tire variable pitch, and through integrated innovative design of equal groove width basic design+density differentiation matrix solid convex point+three-order universal pitch proportion, the application realizes the coordinated consideration of low noise, performance consistency, uniform wear and structural reliability, and is suitable for the use requirements of engineering tires in heavy load and multiple working conditions in all directions.

The application provides a variable liquid level periodical uniform outflow device, which comprises an outflow pipe, a guide rail, a magnetic valve and a floating body trigger cylinder; the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downward with the decrease of the liquid level, thereby opening the cross flow pipe at the corresponding position and canceling the pushing force on the magnetic valve at the upper position to reset it, so that the water tank outlet realizes periodical uniform outflow of water with stable drainage and periodical equal flow drainage while the liquid level continuously decreases; the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downward with the decrease of the liquid level, thereby opening the cross flow pipe at the corresponding position to realize periodical uniform outflow of water, without the need of additional external power source, stable power supply, effectively reducing power cost and maintenance cost; the device can realize periodical uniform outflow of water, has wide application range, realizes uniform and stable outflow of water, and avoids unintended influence caused by continuous outflow of water.

The application relates to the technical field of medical devices, in particular to a combined postoperative abdominal belt with drainage management and medicine external application functions, which comprises a middle abdominal belt, a plurality of first side abdominal belts, a medicine application groove is arranged in the middle of the middle abdominal belt, a plurality of first drainage tube limiting grooves are arranged in the side of the middle abdominal belt, a second drainage tube limiting groove corresponding to the first drainage tube limiting groove is arranged in the side of the first side abdominal belt. The application is provided with an inflatable air bag in the drainage tube limiting groove, which can realize flexible clamping and positioning of the drainage tube after inflation, can firmly fix the drainage tube, and will not cause excessive compression to the drainage tube to cause poor drainage. The middle abdominal belt and the side abdominal belt are detachably spliced through magic tape, the number and splicing positions of the side abdominal belts can be flexibly selected according to the body shape and the wound position of a patient, the drainage tube limiting grooves are synchronously adjusted with the side abdominal belts, the drainage tube is ensured to always pass out of the abdominal belt in the shortest path, and the risk of bending of the drainage tube in the external body is reduced.

This application relates to the field of spillway debris interception technology. ， In particular, this invention relates to a debris-blocking grid device for the drainage holes of an aeration tank in a spillway, comprising multiple sets of circular steel rings and vertical support rods. The multiple sets of circular steel rings are connected along their circumference via the vertical support rods, and the diameter of the multiple sets of circular steel rings increases sequentially from top to bottom, forming a debris discharge frame. This application utilizes multiple sets of circular steel rings and vertical support rods, covering the drainage holes and enclosing them. During spillway discharge, floating debris is blocked outside the drainage holes, ensuring stable drainage and allowing the aeration tank ventilation system to operate normally. This ensures safe and stable spillway discharge. Furthermore, when not discharging, the drainage holes can be cleaned with cleaning blocks. Therefore, this invention effectively solves the problem of existing drainage holes being blocked by floating debris during drainage, thus affecting the efficiency of flood discharge.

The invention discloses a drain board adopting a regenerated plastic composite core board and a preparation method of the drain board, and belongs to the technical field of drain boards. The drainage plate comprises a regenerated plastic composite core plate, a filter membrane, a reinforcing sleeve and a splicing structure. The core plate takes regenerated polypropylene as a base material, glass fiber powder and a compatilizer are added to enhance the performance, and a trapezoidal drainage channel is arranged to improve the compression resistance and drainage stability. The filter membrane is made of regenerated polyester non-woven fabric and is mechanically meshed with the core plate through a needling composite process. According to the invention, high-value utilization of waste plastic is realized, the production cost is remarkably reduced, excellent mechanical properties and drainage stability are ensured, and the composite material is suitable for projects such as roadbeds, gardens, building foundation pits and the like.

The utility model provides a vibrating table body structure with a drainage function, which belongs to the technical field of vibrating tables and comprises a vibrating table, a drainage component and an anti-blocking component, and the drainage component comprises two water inlet grooves arranged at the top of a vibrating table plate. Water can enter a water inlet groove through a water inlet hole in a protective cover, then enters a base through a water inlet pipe and is discharged to a connector through a guide plate to be discharged, a user needs to connect the connector with an external pipeline during installation, waterproof cloth needs to be installed on the four sides of a vibration table during installation of the vibration table, and large-area leakage is prevented. When large-area leakage occurs, water overflows from the four edges of the vibration table, is accumulated on the base and can be isolated by the isolation frame, so that the water is discharged into the base through the emergency hole, and condensed water in the vibration table is discharged through the condensed water drainage pipe, and therefore, the purposes of stable drainage and emergency drainage are achieved.

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.

The invention relates to a high-precision wastewater filtering system, and relates to the technical field of wastewater filtering. The present invention; according to the technical scheme, the device comprises a precipitation assembly used for precipitating large particles and located in an A area on the upper right side of a frame; the magnetic separation assembly is used for adsorbing fine magnetic substances, is connected to one side of the water outlet end of the precipitation assembly through a pipeline, and is positioned in the area A; the upper part of the treatment component is filtered through micron-sized non-woven fabric, the lower part of the treatment component receives filtered wastewater, and the treatment component is arranged in the region B, is positioned at the bottom of the magnetic component and receives wastewater discharged by the magnetic component; the two groups of filtering tanks are positioned in the area C and are connected with the treatment assembly through a multi-stage centrifugal pump; the suction assembly is arranged in the treatment assembly in a floating manner; the oil skimming assembly is used for receiving the oil dirt sucked out by the suction assembly and filtering the oil dirt, sewage obtained after the oil dirt is filtered is discharged into the treatment assembly again, and the oil skimming assembly is located in the area A; and the oil content detector is arranged in the middle of the suction assembly.