34results about How to "Stable drainage" patented technology

The invention relates to the technical field of medical drainage equipment, in particular to in-vivo effusion drainage equipment for breast surgery, which comprises a storage rack, a pair of drainage tubes and an overclothes for a patient to wear, two drainage bottles are placed in the storage rack, a box body is arranged at the top of the storage rack, and a driving mechanism is arranged in the middle of the interior of the box body; two first gas distribution mechanisms and two second gas distribution mechanisms are arranged in the box body and are symmetrically arranged relative to the driving mechanism. The first air distribution mechanism is driven by the driving mechanism to work to inflate and deflate the pressing air bag set, automatic pressing can be conducted on the mammary gland portion of an operation area of a patient, effusion can be rubbed away, accumulation of the effusion in mammary gland tissue is avoided, hematoma or blood clots are reduced, and the effusion is discharged more effectively; blood circulation and metabolism of surrounding tissues are promoted through pressing, swelling of an operation area is eliminated, postoperative pain and discomfort of a patient are relieved, swelling of the patient is relieved, and the healing process of the tissues is improved.

The invention relates to the technical field of medical instruments, and discloses an interventional drainage shunt tube with a slit valve. The catheter comprises a catheter body of a tubular structure, the catheter body comprises a far-end part provided with an inlet, a near-end part arranged as a blind end and an inner cavity communicating the far-end part and the near-end part, and a slit valve is arranged on the peripheral wall, close to the blind end, of the near-end part. The slit valve is opened through the pressure difference between the ventricular system and the venous system to discharge cerebrospinal fluid from the ventricular system to the venous system, and the distance 10 between the end, close to the blind end, of the slit valve and the blind end in the axial direction meets # imgabs0 #, so that the situation that excessive gas remains in the drainage shunt tube, and consequently the drainage shunt tube is completely blocked and fails is avoided. According to the drainage shunt tube, gas residues in the blind end of the shunt tube can be reduced, and stable drainage of the shunt tube can be ensured, so that the safety and the stability of the drainage shunt tube are improved.

The invention belongs to the field of municipal drainage, and particularly relates to an underground space structure serving as an emergency regulation and storage space for excessive rainwater. In a normal state, the water inlet channel is normally closed, the special waterproof door is unobstructed, and the rain sewage regeneration module operates normally. During waterlogging, people and vehicles are emptied, the special waterproof door is closed, and the emergency regulation and storage space is used for regulating and storing rainwater. The system comprises a vertical stacking type module and a transverse stacking type module, and comprises a rainwater treatment module, a sewage treatment module, a regulating reservoir module, a drainage pumping station module and the like. The special waterproof door comprises a main door, an auxiliary door, a transition cabin and the like. The outside is communicated with a water inlet closed conduit, comprises a rain gauge and the like, and is controlled by a hydraulic discharge gate and the like. The system further comprises a control system which can switch idle, water inlet, water storage and water drainage modes according to different rainfall conditions, and linkage control over all the devices is achieved. The urban inland inundation can be effectively handled, and reasonable regulation, storage and utilization of rainwater are achieved.

The invention provides an odor-resistant basin replacement core, and belongs to the technical field of basin drainage pieces. The technical problem that normal drainage is affected due to the fact that an odor-resistant plug of an existing counter basin drainage piece is not used for a certain time and cannot be opened is solved. The deodorant basin replacement core comprises a drainage cylinder, a pressing bouncing mechanism and a deodorant umbrella cover, the pressing bouncing mechanism comprises a bouncing shell and a moving assembly, the bouncing shell is positioned in the drainage cylinder, the moving assembly is connected to the bouncing shell, and the deodorant umbrella cover is connected to the lower end of the drainage cylinder. The deodorant umbrella cover always tends to move upwards and blocks the lower end opening of the lower water cylinder, the replacement core further comprises a vertically-arranged ejector rod, the upper end of the ejector rod is axially fixed to or integrally connected to the moving assembly, and the lower end of the ejector rod faces downwards and is opposite to the deodorant umbrella cover; the downward moving stroke of the moving assembly located at the low position is larger than the interval size between the lower end of the ejector rod and the deodorization umbrella cover. The normal drainage function can be effectively guaranteed.

The utility model discloses a fixing structure of a drainage bag and a urine bag drainage bag thereof, and relates to the technical field of urine bag drainage bags, the fixing structure comprises a fixing mechanism body, the fixing mechanism body comprises a hanging hook, and the outer surface of the hanging hook is provided with a limiting groove and a hanging groove. The drainage bag body, the catheter and the fixing mechanism body are matched with one another, the hanging hook can be hung on a guardrail of a sickbed through the hanging groove, and then the drainage bag body and the catheter are clamped in the limiting groove through the limiting rod and the limiting block for hanging drainage; when a patient gets out of bed and forgets to take out the drainage bag body, the drainage bag body and the catheter can be pulled out of the limiting groove through inertia force by means of the limiting rod and the limiting groove which are obliquely arranged, but the situation that the catheter is forcibly pulled out of the body of the patient is avoided, and the drainage bag is safer; the hanging nose and the hanging buckle are matched with each other, so that the drainage bag body can be conveniently hung on trousers of a patient.

The utility model belongs to the technical field of medical instruments, and particularly relates to a seepage absorption device which comprises a drainage bag, a drainage tube is fixedly connected to the drainage bag, an absorption assembly is arranged on the outer side of the drainage tube and comprises an attaching auxiliary pad, an absorption pad and a bottom sealing cover plate, the absorption pad is located in the attaching auxiliary pad, and the bottom sealing cover plate is arranged on the bottom sealing cover plate. The bottom sealing cover plate is located at the bottom of the attaching auxiliary pad, and the attaching auxiliary pad is fixedly connected with the drainage tube; the attaching auxiliary pad can be located at the peripheral position of a wound, the attaching auxiliary pad is connected through the adhesive strip, absorption can be conducted through the absorption pad, at the moment, the absorption pad is affected by the gravity of seepage and acts on the pressure gauge, when the seepage is within a set threshold value, an alarm is given through the alarm, and therefore medical workers are reminded to conduct treatment in time; the attaching auxiliary pad is located on the outer side of the drainage tube, seepage can be collected and fed back to medical staff, the tube can be fixed and limited, and drainage is stably conducted.

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 utility model belongs to the technical field of high-pressure pump self-pressurization energy recovery, and particularly relates to a high-pressure pump self-pressurization energy recovery device which comprises a base, a capsule is installed on the inner wall of a shell, nitrogen is filled in the capsule, a plurality of sets of circular grooves are formed in the inner wall of the shell, balls are assembled in the circular grooves in a sliding mode, and the balls are connected with the base. The outer wall of the capsule is attached to the balls, a first rubber supporting ring is installed on the inner wall of one side of the shell, a second rubber supporting ring is installed in the other side of the shell and located at the position of the material guiding opening, energy recovery and utilization are achieved through shrinkage and expansion of the capsule, namely, the capsule can stretch out and draw back repeatedly and rub against the inner wall of the shell, and therefore the capsule can be recycled. The first rubber supporting ring and the second rubber supporting ring protect the capsule when the capsule expands, meanwhile, the balls are rotationally installed on the whole inner wall of the shell, sliding friction is conducted between the capsule and the balls when the capsule stretches out and draws back repeatedly, friction resistance is reduced, the service life of the capsule can be prolonged, and the protection performance of the capsule can be improved.

The utility model belongs to steam trap technical field, specifically disclose a steam trap, including the valve body, one side of valve body is connected with the delivery pipe fixedly, the surface fixed connection of delivery pipe has the fixed block, the inside of fixed block is established with the placing groove, the inside sliding connection of placing groove has the filter plate, one side of filter plate is connected with the side frame fixedly, one side of fixed block is connected with the fixed plate fixedly, the inside of fixed plate is established with the sliding slot, the inside sliding connection of sliding slot has the L shape rod, the inside fixed connection of sliding slot has the spring, place the filter plate in the delivery pipe can directly intercept the impurity that carries in the steam, avoid its into the valve cavity and cause the blockage or wear and tear key components, effectively prevent the opening and closing action of the trap of impurity interference, reduce the failure risk that causes because of the impurity accumulation, can be cleaned or replaced alone simultaneously without disassembling whole valve, shorten the maintenance cycle.

The present invention relates to the technical field of pipe network monitoring, and in particular to a risk monitoring system for an urban pipe network, comprising a delivery collection unit, a discharge collection unit, a data collection unit, a model building unit, a risk assessment unit and an instruction transmission unit, for obtaining the delivery flow of water flow at each position in the pipe network, obtaining the discharge flow at each discharge outlet of the pipe network, determining a risk assessment value for a single area through a risk assessment model according to the acquired parameters, and determining whether the pipe network has a risk according to the risk assessment value. When it is determined that the pipe network has a risk, a corresponding instruction is generated based on the determined cause, and the risk assessment model is optimized and the opening of each valve in the pipeline is determined according to the instruction, thereby improving the monitoring efficiency of the pipe network.

The invention provides a vertical oil separation device, a separation method and a refrigerating system, and belongs to the technical field of refrigerating systems.The vertical oil separation device comprises a shell, a plurality of storage tanks, a plurality of static pressure sensors, an oil storage cavity, a liquid inlet pipe and a control module, the control module is electrically connected with the static pressure sensor, the liquid drainage switch valve, the oil drainage switch valve, the oil return switch valve and the separation switch valve, and when the static pressure detected by the static pressure sensor is larger than a static pressure preset value, the liquid drainage switch valve is controlled to be opened and closed in a delayed mode. The multiple storage tanks are arranged, each storage tank is provided with the corresponding static pressure sensor, the static pressure sensors are used for being associated with the liquid drainage switch valves, and refrigerants and lubricating oil are continuously layered and concentrated, so that the concentration of the lubricating oil is improved, it is ensured that refrigerant liquid drained out of each storage tank does not contain the lubricating oil, and the liquid drainage and oil drainage processes are stably operated.

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 invention discloses a drainage device and a fuel oil system. The drainage device comprises a water collecting cup, a buoy structure and an adsorption structure. The water collecting cup is provided with a water inlet and a water outlet; the buoy structure comprises a buoy and a blocking part, the buoy is arranged in the water collecting cup and can float along with the liquid level in the water collecting cup, and the blocking part is arranged on the buoy, blocks the water outlet when the buoy sinks to the bottom of the water collecting cup and opens the water outlet when the buoy floats upwards; the adsorption structure is installed on the water collecting cup and can adsorb the buoy when the buoy floats upwards and apply upward adsorption force to the buoy, and the adsorption force is smaller than the sum of the gravity of the buoy and the gravity of the blocking part. According to the scheme, the water drainage starting time and the water drainage ending time are controlled through buoyancy, gravity and adsorption force, the structure is simple and reliable, and cost is low; meanwhile, the mode of increasing the adsorption force at the beginning of drainage can avoid drainage termination caused by descending of the buoy, and stable drainage is guaranteed.

The invention relates to the technical field of refrigeration equipment, and discloses a pump body assembly for a compressor, which comprises a crankshaft, a first cylinder, a second cylinder and a middle partition plate. The end of the crankshaft extends to an oil pool at the bottom of the compressor shell, and the crankshaft is provided with a first oil way channel communicating with the oil pool. The first cylinder is provided with a first suction port. The second cylinder is provided with a second air suction port. The middle partition plate is arranged between the first air cylinder and the second air cylinder and provided with a second oil way channel. The first oil way channel and the second oil way channel are communicated to form an internal oil way circulation channel of the pump body assembly, and oil at the bottom of the compressor shell is stably drained to the first air suction port and the second air suction port under the action of the first throttling valve and the second throttling valve by utilizing the pressure difference in the compressor shell, so that the oil suction efficiency is improved. And then the oil flows to other moving parts of the pump body assembly, so that reliable lubrication of the moving parts is ensured, and the reliability of the compressor is enhanced. The invention further discloses the compressor.

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.

The utility model relates to an overflow valve and a hydraulic system. The overflow valve comprises a valve body and a valve element, a valve cavity used for containing the valve element is formed in the valve body, and the valve element is connected to the valve cavity in a sliding mode. A liquid inlet and a liquid outlet which are communicated with the valve cavity are formed in the valve body, a liquid inlet cavity is formed in the first end of the valve element, and the inlet end of the liquid inlet cavity is communicated with the liquid inlet; an overflow hole communicated with the liquid inlet cavity is formed in the side wall of the valve element, and an overflow space communicated with the overflow hole is defined by the side wall, provided with the overflow hole, of the valve element and the side wall of the valve cavity; the valve core can move between a first position and a second position; at the first position, the overflow space is located between the liquid inlet and the liquid outlet; and at the second position, the overflow space is communicated with the liquid outlet, so that the fluid is discharged from the liquid outlet. According to the overflow valve, through the arrangement of the overflow holes, overflow fluid can be drained out stably, and the eccentric wear phenomenon of the valve body and noise generated by overflow are reduced.

The utility model relates to the technical field of rubber mixing, and discloses a cooling temperature control device of a rubber mixing mill, which comprises a main body, a squeeze roller; a water pipe; the guide structure is arranged at the end of the water pipe, inserted into a cavity of the extrusion roller and used for guiding cooling water, the cavity of the extrusion roller is divided by the guide structure to form a bent flowing channel, the cavity of the extrusion roller is divided by the partition plates with the notches, and therefore when water flows in the cavity of the extrusion roller in the radial direction, the cooling water flows in the cavity of the extrusion roller. Water needs to continuously flow through the notches to reach the other side of the partition plate after being separated and guided by the partition plate, the included angle between every two adjacent notches takes 180 degrees as an example, when the water enters one side of the other partition plate from one side of the partition plate, the water flows through the notches and continuously changes the direction and forms a bent flowing track, and the water flows through the notches to reach the other side of the partition plate. The flow track length of water in the extrusion roller cavity can be increased, the contact time and the contact area of the water and the extrusion roller are increased, and the heat exchange effect of the water and the extrusion roller is improved.

The utility model relates to the technical field of centrifugal machines, and discloses a disc centrifugal machine using an ultra-thin drum disc, which comprises a main body mechanism, a feeding mechanism and a discharging mechanism, the feeding mechanism is positioned in the main body mechanism, the discharging mechanism is positioned at the top of the main body mechanism, the main body mechanism comprises the thin disc, and the thin disc is positioned in the main body mechanism. A disc discharging port is formed in the surface of the thin disc, a first mounting piece is fixedly connected to the surface of the thin disc, a positioning block is fixedly connected to the surface of the first mounting piece, a second mounting piece is fixedly connected to the surface of the thin disc, and a positioning hole is formed in the surface of the second mounting piece. According to the centrifugal machine, the first mounting piece and the second mounting piece are arranged and matched with the positioning block and the positioning hole, when the centrifugal machine is mounted, positioning and mounting can be carried out more quickly, meanwhile, when the centrifugal machine runs, a thin disc can be fixed and kept stable when following centrifugation, and the flow guide plate is arranged, so that the flow guide effect is better. And during installation, centrifugal liquid can be stably drained out from the discharging pipe.

The utility model discloses a water supply and drainage device for a deep foundation pit, which relates to the technical field of water supply and drainage and comprises a drainage shell, first filter screens are fixedly arranged at the upper ends of two sides of the drainage shell in a penetrating manner, collecting boxes are arranged at the lower ends of two sides of the drainage shell in a contact manner, and through holes are formed in the lower ends of the collecting boxes; second filter screens are fixedly arranged at the lower ends of the two sides of the drainage shell in a penetrating mode and matched with the through holes, a water pump is fixedly arranged on the inner wall of the drainage shell, a water suction pipe is fixedly arranged in the water pump in a penetrating mode, the upper end of the water suction pipe penetrates out of the drainage shell and extends to the outside, and cleaning brushes are arranged on the sides, away from each other, of the two first filter screens in a contact mode. And a pushing cleaning mechanism is arranged at the top of the cleaning brush. According to the drainage shell, the collecting box, the cleaning brush and the pushing and cleaning mechanism, sundries blocked on the outer side of the filter screen can be cleaned and pushed out to be collected into the collecting box in the drainage process, blockage of the impurities to the filter screen is reduced, and drainage stability is guaranteed.

The utility model relates to the technical field of leakage prevention, and discloses a curtain wall unit body leakage prevention construction structure which comprises an upper stand column and a lower stand column, a water collecting groove is formed in the side face between the upper stand column and the lower stand column, a core inserting plate is arranged between the upper stand column and the lower stand column, and the core inserting plate corresponds to the water collecting groove in position. And the core inserting plate and the water collecting tank are integrally provided with drain holes. According to the utility model, the core inserting plate is arranged to prevent collision and extrusion in the construction process, the anti-cracking and breakage-proof effects are good, the drain hole is formed in the core inserting plate, so that a water source in the upper upright post and the water collecting tank can be quietly drained into the lower upright post through the drain hole, the internal drainage effect is achieved, and the waterproof sealant plays a better sealing and waterproof role on a connecting seam; the whole structure is provided with an anti-collision and anti-deformation structure, cracking and leakage are not prone to occurring, internal drainage can be formed through sealing, drainage is stable, leakage is not prone to occurring, and later maintenance is convenient.

The utility model discloses an engine oil monitoring device which comprises a detection filter box, a pair of drainage valves and a drainage pump, the drainage valves are installed on the two sides of the detection filter box respectively, the drainage pump is installed on the drainage valves, a filter monitoring structure is installed on the detection filter box, and the filter monitoring structure is connected with the drainage pump. The utility model relates to the technical field of engines, and through the design of the Z-shaped drainage tube, the T-shaped drainage tube and the L-shaped drainage tube, oil can be stably and horizontally drained, so that fluctuation and loss of the oil in the flowing process are reduced, and the operation efficiency of a system is improved; by changing the current direction of the lifting electromagnet, the magnetic adsorption or magnetic repulsion of the lifting electromagnet can be adjusted, so that the stable lifting of the filtering inner box is realized. The adjusting mode is flexible and convenient, and the position of the filtering inner box can be rapidly adjusted according to needs.

The invention relates to a system and method for treating desulfurization wastewater by using a dry slag removal system of a coal-fired unit, and the system comprises a dry slag bin which is provided with an input end, an output end and a level gage; the wastewater conveying device is connected with the input end; the pipeline residue filter is connected with the output end; the drainage device is connected with one end, far away from the output end, of the pipeline residue filter; the flow meter is arranged on the drainage device; the slag discharging device is connected with the end, close to the output end, of the pipeline slag filter, the slag discharging device comprises a pneumatic valve plate, and when the monitored value of the flow meter is zero, the pneumatic valve plate is opened, so that the stable effluent quality of the dry slag bin is guaranteed, the qualified effluent quality of the dry slag bin is guaranteed, and the water quality of the dry slag bin is guaranteed. And stable operation of a subsequent drainage device is further ensured.

The utility model discloses a filter suitable for high-viscosity phenyl silicone oil, which comprises a feeding valve, a filter box and a discharging valve, and relates to the technical field of phenyl silicone oil production, a lifting extrusion plate is stably lifted, so that gas on the inner side of a lifting extrusion box can be effectively and efficiently drained to the inner side of the filter box; due to the design, the gas flowing efficiency and speed are improved, and the whole treatment process can be accelerated; through the cooperation of a lifting driver, a lifting threaded pipe and a lifting threaded rod, a lifting extrusion plate can realize stable lifting, so that a certain pressure difference is formed, and raw materials are drained to the filtering box in a high-pressure state; the high-pressure drainage is beneficial to better removing impurities in the raw materials and improving the product quality; the lifting speed and amplitude of the lifting extrusion plate can be ensured through accurate control of the lifting driver, and therefore accurate control over the flow and pressure of the raw materials is achieved.

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 discloses an overhead line insulated wire drainage device, which comprises a positioning frame, the positioning frame is used for positioning and supporting the overhead line insulated wire drainage device, an auxiliary positioning mechanism is fixedly arranged in the middle of the positioning frame, and positioning drainage mechanisms are fixedly arranged at two ends of the auxiliary positioning mechanism; the positioning drainage mechanism comprises a fixing frame; according to the utility model, the middle position of the main line is peeled and then positioned at the top end of the first clamping seat, and the second clamping seat rotationally connected with the bottom end of the first positioning screw rod stably extrudes the outer wall of the peeled main line, so that the internal connecting line of the main line is in close contact with the drainage connecting seat; one end of the drainage connecting line is connected to the corresponding line position, stable drainage of the main line is facilitated, the main line is positioned through the fixing rings fixed to the two ends of the fixing frame, the use convenience of the overhead line insulated wire drainage device is improved, and the stability of the overhead line insulated wire drainage device is improved.

The invention provides a horizontal oil separation device, a separation method and a refrigerating system, and belongs to the technical field of refrigerating systems.The horizontal oil separation device comprises a shell, a plurality of storage tanks, a plurality of static pressure sensors, an oil storage cavity, a liquid inlet pipe and a control module, the control module is electrically connected with the static pressure sensor, the liquid drainage switch valve, the oil drainage switch valve, the oil return switch valve and the separation switch valve, and when the static pressure detected by the static pressure sensor is larger than a static pressure preset value, the liquid drainage switch valve is controlled to be opened and closed in a delayed mode. The multiple storage tanks are arranged, each storage tank is provided with the corresponding static pressure sensor, the static pressure sensors are used for being associated with the liquid drainage switch valves, and refrigerants and lubricating oil are continuously layered and concentrated, so that the concentration of the lubricating oil is improved, it is ensured that refrigerant liquid drained out of each storage tank does not contain the lubricating oil, and the liquid drainage and oil drainage processes are stably operated.

The present application relates to rain sewage shunt technical field, specifically disclose a kind of unpowered buoyancy control type rain sewage shunt, including outer shell, integrated flow channel device, central control block, siphon and round plug ring.Center control block is composed of upper and lower linkage rainwater hollow box and sewage hollow box, can be slidable along the shunt passage axis.This device does not need external power, relies on buoyancy and self-weight to automatically switch rain sewage flow channel, sunny day to open sewage channel, rain to open rainwater channel, cooperate with breathing tube to balance air pressure to avoid jam, with the help of siphon to realize automatic reset.Compact structure, stable operation, applicable to community rain sewage shunt reconstruction and new drainage system.