116results about How to "Reduce dwell time" patented technology

The invention relates to the technical field of finned heat exchangers, and discloses an adjustable finned heat exchanger which comprises a shell, air passing openings are formed in the two sides of the shell, a plurality of heat exchange modules used for heat transfer are arranged in the shell, the heat exchange module located in the middle is fixed to the shell, and the air passing openings are formed in the air passing openings. The other heat exchange modules are slidably connected with the shell through guide mechanisms, the distance between the heat exchange modules can be adjusted through adjusting mechanisms, the heat exchange modules are communicated through second corrugated pipes, and fans are fixed to the inner sides of the two ends of the shell through bolts. According to the heat exchanger, through the movable heat exchange module, auxiliary shaking can be conducted on water drops, the water drops fall off from the heat exchange module, the retention time of the water drops on the heat exchange module is shortened, corrosion of the water drops to the heat exchange module is reduced, and the service life of the heat exchanger is prolonged.

The invention relates to the technical field of film processing, and particularly discloses a plastic film processing waste recovery device which comprises a recovery box, a feeding port is formed in the top end of the recovery box, and the recovery box comprises a primary crushing mechanism used for primary crushing and a cleaning mechanism used for preventing winding. In the using process, through mutual cooperation of the primary crushing mechanism and the secondary crushing mechanism, waste materials can be further crushed into smaller shapes, gradual refining treatment on the waste materials can be achieved in a multi-stage crushing mode, the crushing uniformity and fineness are improved, the quality of recycled products is improved, and the recycling efficiency is improved. Through mutual cooperation of the primary crushing mechanism and the cleaning mechanism, waste remaining in notches between the crushing teeth can be scraped away in time, so that cleanliness between the crushing teeth is kept, it is guaranteed that the crushing rollers can continuously and efficiently conduct crushing work, normal operation of equipment is guaranteed, the shutdown maintenance time is shortened, and the production efficiency is improved. And the working efficiency and the reliability of the device are improved.

The invention discloses a purification device for producing electronic-grade hydrofluoric acid, which relates to the technical field of hydrofluoric acid production, and comprises a rectifying tower body, tower plates movably connected in the rectifying tower body at equal intervals, overflow weirs fixedly connected on the tower plates, a rotating speed convenient regulation and control mechanism and a state monitoring feedback mechanism, the follow-up rod and the tower plates installed on the outer surface of the follow-up rod can be driven to synchronously rotate in the rectifying tower body, so that the gas-liquid contact area is increased, the gas-liquid contact time is prolonged, the mass transfer process between gas and liquid phases is promoted, in the rectifying process, the separation efficiency and purity can be improved, impurities in raw materials can be removed more easily, and the product quality is improved. And the rotation of the tower plate can enhance the mixing of the liquid on the tower plate, so that the liquid is more uniformly distributed on the tower plate, the residence time and dead zone of the liquid on the tower plate are favorably reduced, and the separation efficiency is further improved.

The invention relates to the technical field of sludge separation, and discloses a sewage and sludge separation device which comprises a main body, the top of the main body is in bolted connection with a top cover, the outer surface of the main body is fixedly connected with a water outlet pipe, a discharge port is formed in the outer wall of the main body, a discharge door is hinged to the interior of the discharge port, and a spring rod is rotationally connected to the side, close to the main body, of the discharge door. The ends, away from the discharging door, of the spring rods are rotationally connected with blocking doors. At the moment, sludge becomes a sludge cake after being extruded, residual water in the sludge can be discharged outwards through filtering holes in an inner sleeve, when sludge and water are separated through centrifugal force generated by extrusion of a lower top plate and rotation of a conical barrel, a double filtering system is formed, and the speed of water passing through a filtering net and a filtering plate is increased; and compared with a traditional gravity precipitation separation mode, the separation time is greatly shortened, so that the separation efficiency of sewage and sludge is integrally improved.

The utility model relates to a broken bridge aluminum window frame with a drainage structure, and belongs to the field of broken bridge aluminum doors and windows, the broken bridge aluminum window frame comprises a window frame body, the window frame body comprises aluminum profiles located on the two sides, and an isobaric cavity is formed between the two aluminum profiles; an isobaric rubber strip is arranged outside the isobaric cavity, an abutting part of the isobaric rubber strip comprises a plurality of protruding heat insulation strips, a plurality of first drainage holes are formed between every two adjacent heat insulation strips, and a plurality of second drainage holes are formed in the supporting part; an inner drainage cavity is formed in the aluminum profile close to the indoor side, and an inner drainage opening is formed in the inner drainage cavity. An outer drainage cavity is formed in the aluminum profile close to the outdoor side, and an outer drainage opening is formed in the outer drainage cavity. The first drainage hole, the second drainage hole and the inner drainage opening close to the indoor side are communicated to form an inner drainage channel; the first drainage hole, the second drainage hole and the outer drainage opening close to the outdoor side are communicated to form an outer drainage channel. The heat insulation strip has the effect that accumulated water between the adjacent heat insulation strips can be cleared away more conveniently.

The utility model discloses a flash collection system of a slag flushing water evaporator, which comprises a shell, a slag water inlet is arranged at the top of the shell, a slag water outlet is arranged at the bottom of the shell, a plurality of evaporation chambers are separated in the shell, every two adjacent evaporation chambers are separated by a slag water overflow port, and the slag water overflow ports are horizontally arranged. A negative pressure steam pipeline is arranged on the side wall of the shell and on the side opposite to the slag water overflow port, each evaporation chamber is provided with a metal inclined plate capable of sealing the evaporation chamber, the metal inclined plates are arranged in an inclined mode, and the inclined lower ends of the metal inclined plates are connected with the slag water overflow port, so that the flow direction of negative pressure steam in each evaporation chamber is the side upward flow direction. A first demister is installed between the lower inclined end of the metal inclined plate and the side wall of the shell, and a second demister is installed at a pipeline opening of the negative pressure steam pipeline. According to the demister, slag water, tiny slag cotton and suspended solids entering the demister and the heat exchanger can be effectively reduced, and the problems that the running time of a unit is short, and the demister and the heat exchanger are often scaled and blocked are solved.

The utility model discloses a waterproof water guide groove for a building roof for building integrated photovoltaics (BIPV). The photovoltaic panel groove comprises a groove body, the groove body is arranged at a gap between every two adjacent photovoltaic panels, and the middle part of the groove body extends upwards to form a convex part; the groove body is divided into two water collecting grooves by the protruding part, and a plurality of drainage grooves are distributed in the water collecting grooves. A filter screen is fixedly arranged at the bottom of the drainage groove; a water collecting chamber is fixedly arranged at the bottom of the tank body; the gradient on the two sides of the protruding part accelerates the drainage speed of water flow, and therefore the drainage efficiency is improved. Due to the fact that the protruding part is arranged, a relatively high area is formed in the middle of the groove body, water flow can flow towards the two sides more easily, and accumulated water is prevented from being formed in the middle. The potential damage of moisture to the building and the photovoltaic panel is reduced, and meanwhile, the drying and cleaning of the tank body are kept; and the direction and the speed of water flow are changed through the protruding parts, impurities and particles can be precipitated in the water collecting chamber more easily, and therefore cleaning work is more convenient and efficient.

The application relates to the computer technical field and discloses a precision inspection method and system based on a multi-dimensional green pass image, aiming to solve the problems of low efficiency, high artificial dependence, inaccurate fee evasion identification and the difficulty in balancing the traffic experience and supervision in the existing green pass vehicle inspection. The method comprises the following steps: acquiring vehicle static information, cargo images, travel paths, historical records and environment perception and other multi-source data; after being structured, cleaned and aligned, a green pass image covering four-dimensional features of vehicles, cargos, travel and behavior is constructed; a pre-trained multi-layer fusion inspection decision model is inputted, and a risk score and an inspection level suggestion are outputted, and the inspection strategies of exemption, image review or opening-box inspection are executed in parallel. Through a cross-dimensional attention mechanism and online incremental learning, high-precision, self-adaptive and intelligent inspection is realized, and the efficiency and fairness are significantly improved.

The application discloses a continuous high-stability high-speed ultrasonic welding automatic production line, which comprises a feeding conveying section, a rolling welding section and a discharging conveying section, the feeding conveying section is connected with the feeding end of the rolling welding section, and the discharging end of the rolling welding section is connected with the discharging conveying section; the rolling welding section comprises a welding conveying belt and a rolling welding mechanism, the rolling welding mechanism is installed on one side of the welding conveying belt, and the welding unit in the ultrasonic rolling welding mechanism is used for rolling welding of a workpiece to be welded on the welding conveying belt in conveying. The application has the advantages of improving the welding effect consistency and stability of the workpiece, and improving the production capacity and efficiency.

The present invention discloses a device for dehydrating C4, and relates to the technical field of chemical raw material processing. The present invention comprises a coalescer body, wherein a dehydrating device is arranged inside the coalescer body, wherein the dehydrating device comprises a fixed cylinder, wherein the fixed cylinder is fixed to the rear side of the inner wall of the coalescer body, wherein a three-pronged round frame is penetrated and clamped on the front side of the fixed cylinder, wherein a plurality of through-hole disks are evenly and equidistantly fixed inside the three-pronged round frame, and two foam filter blocks are fixed on the rear side of the through-hole disks. Through the arrangement of the dehydrating device, the present invention enables the channel formed by the semicircular plate and the through-hole disk to increase the travel path of the C4 gas in the coalescer body, thereby improving the effect of the foam filter block on dehydrating the C4 gas; at the same time, the rotating rod, the sleeve, the abutment rod, the trapezoidal curve rod, and the insertion rod cooperate to drive the semicircular plate to squeeze the foam filter block, thereby squeezing out the water adsorbed in the foam filter block.

The application relates to the technical field of powder production and processing equipment, in particular to a flow guide device for airflow mill pulverization and a pulverizer adopting the flow guide device, wherein the flow guide device for airflow mill pulverization comprises a device body, a flow guide area, a collection area and a drainage area are formed in the device body, and the collection area and the drainage area are distributed around the flow guide area; when the device body is matched with a pulverization cavity and the pulverization cavity is in a working state, airflow sprayed from a nozzle flows to the lower part of the collision area after collision in the middle of a pulverization area and then flows into the flow guide area and the drainage area in sequence; the collection area collects coarse particles sinking downwards, the collection area is formed with an opening, coarse particles in the collection area can flow out through the opening, the flowed-out coarse particles can flow into the drainage area together with airflow and flow out of the drainage area; the flowing direction of airflow flowing out of the drainage area is towards the top of the pulverization cavity. The flow guide device for airflow mill pulverization can improve powder preparation efficiency and improve the vortex state at the bottom of the pulverization cavity.

The utility model discloses a line sweep light source of high heat dissipation performance relates to the technical field of detection light source. Line sweep light source of high heat dissipation performance includes base, light emitting component and heat dissipation component, base includes seat body, heat dissipation block and mounting block, seat body is provided with accommodating cavity, light emitting component and heat dissipation component, a plurality of mounting blocks are arranged along first horizontal direction interval arrangement setting, the second mouth is formed between adjacent mounting block and is defined, the first mouth is set up along the second horizontal direction through setting of heat dissipation block, and a plurality of first mouths are distributed along first horizontal direction interval, a plurality of heat dissipation blocks are arranged along second horizontal direction interval, the air between the adjacent two heat dissipation blocks can flow to the plurality of mounting blocks and the heat dissipation block adjacent to the plurality of mounting blocks through the first mouth, and then flows out from the second mouth, improve the flowability of air, reduce the distance required for the air between the adjacent two heat dissipation blocks to flow outward.

The invention provides a gas recovery device and epitaxy equipment, the gas recovery device is used for recovering gas in an epitaxy reaction chamber, the gas recovery device comprises a guide pipe and a gas collection container, the first end of the guide pipe is communicated with the epitaxy reaction chamber, and the second end of the guide pipe is communicated with the gas collection container; and a guide part for promoting gas to flow towards the gas collection container is arranged in the guide pipe.

The invention discloses a data caching method, system and device based on a multi-level caching architecture and a medium, and relates to the technical field of data caching, the method comprises the following steps: respectively determining a plurality of logic addresses corresponding to the same data block as associated addresses, and obtaining the address number of the logic addresses of each data block; for each data block, obtaining the access frequency of each associated address in the current cache cycle, calculating to obtain the association strength of each associated address according to the number of logical addresses corresponding to the data block, and deleting the associated address with the lowest association strength until the logical address of the data block is unique when a new logical address needs to be inserted; determining a logic address uniquely corresponding to the same data block as a non-associated address, and when a new data block needs to be inserted, deleting the data block with the lowest access frequency for the insertion of the new data block; and error discrimination of the cache data popularity is reduced and eliminated, and the utilization rate of the cache space is effectively improved.

The invention relates to the technical field of cosmetic packaging boxes, in particular to a powder box which comprises a box body. The isolation mechanism is arranged in the box body and divides an inner cavity of the box body into a containing cavity used for containing powder and a powder outlet cavity located on the opening side of the box body; the isolation mechanism comprises a first separation block and a second separation block. The middle of the first separation block and the middle of the second separation block are coaxially connected through a guide circular ring and a guide circular groove matched with the guide circular ring and can rotate relatively. The first partition block is provided with a first powder outlet cavity, the second partition block is provided with a second powder outlet cavity, and the first powder outlet cavity and the second powder outlet cavity are both located on the inner side of the guide circular ring; the first powder outlet cavity is provided with at least one first powder outlet hole, and the second powder outlet cavity is provided with at least one second powder outlet hole. The device has the effect that the situation that powder enters all positions in the interlayer is reduced.

The utility model relates to the technical field of fragrance enhancing machines, and discloses a microwave infrared fragrance enhancing machine capable of preventing water vapor from flowing back, which comprises a bridge body, a pair of heating boxes are arranged on the bridge body, a microwave power box is arranged on the heating boxes, the microwave power box and the heating boxes form a microwave heating box, and the top of each heating box is connected with a conical moisture discharging pipe. The top of the conical moisture removal pipe is connected with a spiral moisture removal pipe, the spiral moisture removal pipe is arranged in a downward inclined mode, the high end of the spiral moisture removal pipe is connected with the conical moisture removal pipe, and the low end of the spiral moisture removal pipe is connected with a centrifugal fan. The centrifugal fan is used for accelerating discharge of water vapor, the persistence time of the water vapor in the conical moisture removal pipe is shortened, meanwhile, the water vapor is discharged through the spiral moisture removal pipe, and due to the fact that the spiral moisture removal pipe is obliquely arranged downwards, liquefied water in the spiral moisture removal pipe is discharged out of the spiral moisture removal pipe through self gravity and cannot flow back into the conical moisture removal pipe; therefore, the water vapor is liquefied and flows back, and the aroma improving effect of the aroma improving machine is not affected.

The utility model relates to food processing technical field discloses a kind of beef granule baking machines with turnover function, including heating semicircle bottom, the top of heating semicircle bottom is fixedly connected with baking wall, the top of baking wall is fixedly connected with fixed cover, the top of fixed cover is fixedly connected with torque motor, the driving end of torque motor is fixedly connected with rotary arm, rotary arm is rotatably connected with connecting rod at one end away from torque motor, the outside of heating semicircle bottom is fixedly connected with automatic switch component.The utility model in, through the accurate control of torque motor, the timed quantitative input of beef granule can be realized, this not only can avoid the uneven stirring caused by too much one-time feeding, ensure that each beef is heated fully, but also can reduce the direct contact of artificial and machine, reduce the safety risk caused by machine sudden start, make feeding rhythm and baking process more matched simultaneously, improve the smoothness of overall processing.

This utility model relates to the field of coal tar processing technology, specifically to a coal tar hydrogenation reactor, including a reaction tank. A catalyst box is located at the lower end of the reaction tank, and a mixing mechanism is installed inside the reaction tank. The mixing mechanism includes a first rotating rod and a stirring rod. The top end of the first rotating rod is fixedly connected to the output end of a motor. A spiral blade and a baffle plate are fixedly connected to the outer side of the first rotating rod. The motor drives the first rotating rod to rotate the spiral blade and baffle plate above the inside of the reaction tank to initially mix the coal tar and hydrogen. It also drives the stirring rod to rotate inside the catalyst box to stir the catalyst, achieving dynamic gas-liquid mixing, accelerating the dissolution of hydrogen in the coal tar, reducing gas phase residence time, enhancing reactor mixing efficiency, and simultaneously continuously agitating the catalyst to prevent catalyst caking, improve the utilization rate of active sites, and extend catalyst life.

The invention discloses a distillation device for preparing isohexanediol, and relates to the technical field of preparing isohexanediol, including a distillation tower body, a steam pipe, a liquid pipe, and a support. In the distillation device for preparing isohexanediol, when distilling isohexanediol, a driving motor drives a driving rod to rotate, and through the cooperation of a spiral groove and a ball, a push plate can effectively push the steam at the lower part of the distillation tower body to circulate upward, thereby improving the distillation efficiency. At the same time, the cooperation of a lifting block and a conversion block ensures that the push plate is in an open state when descending, thereby avoiding an increase in the pressure drop in the tower caused by steam extrusion, thereby reducing energy consumption. In addition, the rotation of the driving rod can also drive a convex block to move in a circle, and through the cooperation of a spring two and a sliding rod, the tower plate is continuously vibrated, breaking the static state of the liquid, promoting mixing and renewal, reducing the residence time, avoiding local overheating or blockage, keeping the liquid flowing smoothly, and further improving the distillation efficiency.

The invention relates to the technical field of fiber spinning machines, and provides a special fiber spinning machine which comprises a fiber liquid pump station, a pipeline component, a gel tank assembly and a lifting assembly. The fiber liquid pump station is communicated with the gel tank assembly through a pipeline part, the transmission end of the lifting assembly is arranged at the top end of the gel tank assembly, the lifting assembly comprises a yarn separating shuttle, and the yarn separating shuttle extends into the gel tank assembly; the lifting assembly drives the filament separating shuttle to move up and down to adjust the filament bundle dipping time. The technical problem that in the prior art, the tow dipping bath time and the exposure time in air are inconvenient to adjust is solved, and the adjusting efficiency of the tow dipping bath time and the exposure time is improved.

The invention relates to the technical field of flow guide and water distribution for water ecological management, and discloses a flow guide and water distribution device for water ecological management, which comprises a water treatment tank, and also comprises a water guide tank fixedly connected to one side of the water treatment tank and used for guiding water treated by the water treatment tank; and the inclined plate is installed in the water guide tank, and a through hole is formed in the side, away from the water treatment tank, of the water guide tank and used for guiding treated water. By arranging the opening and closing mechanism, water treated by the water treatment tank is guided out through the water guide pipes, closure of two water guide pipes is controlled and water outlet of the water guide pipes on the two sides is limited by controlling movement of check blocks, and therefore the water level in the water treatment tank is increased, and mixing treatment is conducted in cooperation with medicine flowing out of the medicine box; and then the water is guided out along the water guide pipe, so that the self-purification capacity of the water body is enhanced, pollutants in the water body are absorbed and degraded, and a clear water type water ecosystem is successfully constructed and stably operated.

The invention discloses a high-voltage frequency converter oil cooling unit, relates to the technical field of frequency converter heat dissipation, solves the problem of cooling oil solidification, and comprises a frequency converter shell, one side of the frequency converter shell is connected with a transmission structure, the transmission structure comprises an oil delivery pump, and the oil delivery pump drives a draft fan and a transmission screw to rotate through transmission. The output end of the oil delivery pump is connected with a flow guide oil pipe, an oil body grinding assembly is installed at the joint of the flow guide oil pipe and the oil delivery pump and comprises a movable lantern ring, the movable lantern ring is arranged on one side of the flow guide oil pipe in a sleeving mode, a grinding ball is arranged in the movable lantern ring, and the grinding ball grinds solidified oil bodies. A dredging insertion rod is mounted on one side of the interior of the movable lantern ring, and the dredging insertion rod dredges the oil pipe; the problems of solidification and volatilization of cooling oil in a low-temperature environment are effectively delayed in a mechanical transmission mode.

The utility model discloses an intake manifold, an engine and a vehicle, and relates to the technical field of engine intake, the intake manifold comprises a manifold body, the manifold body is provided with a pressure stabilizing cavity, a bent waste gas channel, a gas inlet communicated with the pressure stabilizing cavity, a gas outlet communicated with the pressure stabilizing cavity, a waste gas inlet communicated with the bent waste gas channel and a waste gas outlet communicated with the bent waste gas channel, and the waste gas outlet is communicated with the position, close to the gas outlet, of the pressure stabilizing cavity. According to the technical scheme, condensate water generated in the pressure stabilizing cavity is reduced.

The utility model belongs to valve technical field especially relates to a kind of dynamic sealing gate valve, comprising: valve body, valve body has flow passage and the door cavity that intersects with flow passage;Gate, gate is positioned in door cavity, and can be moved between the closed position of blocking fluid through flow passage and the open position of allowing fluid through flow passage;Further comprising: valve seat, valve seat is arranged in the flow passage of valve body and can cooperate with the panel of gate to form seal;Annular groove, annular groove is arranged in the radial outer surface of valve seat and is coaxially distributed with valve seat, annular groove is provided with axial sealing assembly;Radial passage, radial passage is opened on valve seat, radial passage has several and can directly transmit fluid pressure from passage to annular groove to be used for quickly activating axial sealing assembly. Wherein, axial sealing assembly can be bidirectional sealing, relative to prior art, the utility model effectively improves the sealing effect of gate valve.

The utility model discloses a household garbage leachate microfiltration device which comprises a microfiltration membrane assembly, the microfiltration membrane assembly is used for filtering leachate, the microfiltration membrane assembly is further connected with a storage tank assembly, a backwashing assembly and an acid pickling assembly, the storage tank assembly is used for storing crystal substances, and the backwashing assembly is connected with the acid pickling assembly; by the adoption of the method, the functions of normal water production, crystallization accumulated sludge discharge, backwashing dredging, chemical cleaning and the like are integrated, the production function integration characteristic is achieved, operation is easy and convenient, efficient interception is conducted through the microfiltration membrane assembly, the production efficiency is improved, and the production cost is reduced. The problem that crystals cannot be efficiently removed independently by means of precipitation and other measures is avoided, the standing time and the occupied area are reduced, the microfiltration membrane assembly is convenient to discharge sludge, rapid sludge discharge and rapid production can be achieved according to the combined action of gravity and air pressure, meanwhile, cleaning and overhauling are convenient, hydrochloric acid liquid can be recycled, the use amount of cleaning acid liquid is reduced, and the cost is reduced. And the use cost is lower.

The utility model relates to the field of chemical production, and provides a C12-14 tertiary amine preparation system. Comprising an amination kettle, a coil heat exchanger is installed in the amination kettle, a gas outlet is formed in the top of the amination kettle and connected with the bottom of a separation tower through a pipeline, a gas outlet in the top of the separation tower is connected with a condenser through a pipeline, and a gas outlet of the condenser is connected with a gas suction port of a gas compressor through a pipeline. And an exhaust port of the gas compressor is connected with a gas distribution pipe at the bottom in the amination kettle through a gas pipeline. Gas raw materials which are not completely reacted in the reaction process and uncondensed raw materials are compressed through a gas compressor and then are fed into the bottom of an amination kettle together with the gas raw material dimethylamine, uniform spraying is performed through a distribution pipe at the bottom of the amination kettle, and turning of the raw materials is formed in the amination kettle while spraying is performed; gas raw materials, solid catalysts and liquid raw materials are in full contact, and the reaction efficiency is improved.

The utility model discloses a system for managing a waffle box. The waffle box is configured to store semiconductor crystal grains of the same category or BIN category after the semiconductor crystal grains are sorted from a crystal grain sorting machine. The system includes at least one waffle box arrangement mechanism including at least one waffle box movement mechanism configured to transfer the waffle boxes from a placement station of a die sorter to a number of waffle box stacks. According to the utility model, the problem of insufficient wafer box types of crystal grains sorted from a semiconductor wafer can be solved, which affects the output yield in the crystal grain sorting process. The utility model also relates to a system comprising at least one identification label scanner, and the identification label scanner is configured to identify at least one identification label on the waffle box so as to ensure that the waffle box is identified and tracked and the correct waffle box is used.

This invention relates to the field of animal husbandry technology and discloses a sealed modular pigsty, including a modular pigsty body, a load-bearing slatted floor, a V-shaped baffle, and an isolation and odor-proof unit. The isolation and odor-proof unit includes an air cushion isolation module, an isolation and odor-proof module, an anti-adhesion module, and a dry and wet separation module. By setting the air cushion isolation module, a horizontal air cushion layer is formed between the load-bearing slatted floor and the V-shaped baffle. The airflow pressure physically isolates heavy odorous gases such as ammonia and hydrogen sulfide produced by manure fermentation, preventing them from flowing back up along the gaps in the slats to the pigs' activity area. At the same time, the air blowing holes guide the airflow downwards to the inclined surface of the V-shaped baffle, pushing the manure and urine attached to the inclined surface downwards, reducing the residence time of manure and urine at the bottom, avoiding the problem of airflow short-circuiting or local negative pressure, and solving the technical problem of odor easily diffusing upwards from the bottom in traditional sealed modular pigsties, leading to a decline in indoor air quality.

The invention discloses an anticoagulant drug administration device and method after gynecological pelvic surgery, the device comprises an injection waistband and a massage waistband arranged on the outer side of the injection waistband, and the width of the injection waistband is smaller than that of the massage waistband; the injection waistband comprises an injection waistband body, a plurality of injection units arranged on the injection waistband body and a control unit connected with the injection units. One end of the injection unit is sunken, a plurality of microneedles are arranged at the sunken position of the injection unit, the air pump can inflate and deflate the massage assembly and the jacking assembly, and the massage assembly can evenly pressurize the lower abdomen to promote venous return of the lower limbs; the device is simple in structure and convenient to use, the safety of treatment is effectively enhanced, the device can more effectively inhibit thrombus formation through the dual effects of medicine injection and physical pressurization, and comprehensive and reliable anticoagulation treatment guarantee is provided for patients.

This application provides a highly absorbent multilayer composite antibacterial dressing, belonging to the field of medical dressing technology. It uses any one of QSA dressing, QOSA / CMCS dressing, or QSA / DHQ dressing as the contact layer and a needle-punched absorbent pad as the absorbent layer, constructing a highly absorbent multilayer composite antibacterial dressing through interlayer bonding. This multilayer composite antibacterial dressing allows for controllable liquid transport direction, facilitating the coordinated regulation of exudate introduction, diffusion, and storage processes, thereby improving overall management efficiency.