41results about How to "Relieve blockage" patented technology

The invention provides a motor, a power assembly and a vehicle, and relates to the field of electric vehicles, and the motor comprises a motor shell and a plurality of stator cores. And the winding slots of each stator core are arranged along the circumferential direction of the motor. The plurality of stator iron cores comprise two first stator iron cores and a second stator iron core, and the second stator iron core is arranged between the two first stator iron cores along the axial direction of the motor. The second stator iron core, the two first stator iron cores and the motor shell form a first gap. One opening of one first through hole and one opening of the other first through hole in each first stator iron core in the axial direction of the motor are exposed in the first gap, and the maximum distance between one first through hole and the axis of the motor in the radial direction of the motor is smaller than the minimum distance between the other first through hole and the axis of the motor. The cooling efficiency of the motor can be improved by adjusting the flow channels of the stator cores, and normal running of a vehicle is ensured.

The utility model discloses a diammonium phosphate granulating and drying system which comprises a grid plate, a grid plate is horizontally fixed at the lower part of the granulator, and a plurality of strip-shaped holes which are parallel to one another are formed in the grid plate; a plurality of sliding grooves are formed in the inner wall of the tail of the drying machine in the axial direction, a crushing base plate is inserted into each sliding groove in a sliding mode, the crushing base plates are fixedly connected with the drying machine through penetrating screws, and a plurality of crushing teeth are vertically fixed to the crushing base plates. The device has the advantages that caked materials granulated by the granulator are intercepted on the grid plate, and part of the caked materials are pushed out from the discharge door by the material pushing plate, so that the caked materials are cleaned; after the materials are dried by the drying machine, the materials are thrown up by the material raising plate and fall on the crushing teeth on the crushing base plate under the action of gravity, so that the primary crushing effect on the dried caked materials is achieved, the caked materials generated in the granulation process can be effectively crushed, and the normal production efficiency and the production quality are prevented from being influenced by material blockage.

The invention discloses an intelligent real-time measurement and control method and system for underground drip irrigation, and belongs to the technical field of water-saving irrigation. The hardware layer comprises a main pipe, a head branch pipe, a capillary pipe, a tail branch pipe, a tail teletransmission pressure gauge and a flush valve which are connected in sequence; the main pipe is perpendicular to the head branch pipe, the tail branch pipe is parallel to the head branch pipe, and the capillary pipe is perpendicularly arranged between the tail branch pipe and the head branch pipe; an electromagnetic valve is further arranged between the tail branch pipe and the flushing valve; the software layer comprises a data acquisition and transmission module, a data processing and analysis module and a control and management module; according to the intelligent real-time measurement and control method and system for underground drip irrigation provided by the invention, the investment of system maintenance cost and the like is reduced to a great extent, and the economic benefit of crop planting is improved.

The invention provides an intelligent two-way single-lane reconstruction and extension signal management and control method and system, and belongs to the technical field of road traffic planning. Comprising the following contents; establishing a two-way single-lane simulation road network, and arranging a signal lamp and a visual identification unit at an entrance lane of a reconstruction and extension construction area of the simulation road network; an intelligent agent based on a deep reinforcement learning algorithm D3QN-PER is constructed; in the environment of the simulation road network, the intelligent agent is trained based on a reward function, and the reward function is based on the number of vehicles running at the speed lower than the set running speed in the last time step in the reconstruction and extension construction area; and regulating and controlling traffic control signal lamps of the reconstruction and extension construction area through the trained intelligent agent, and selecting an optimal signal lamp state for output. According to the method, after the simulation environment is established, the positions and the motion states of the vehicles are considered, the intelligent agent is trained by reducing the number of the vehicles running at a low speed in the reconstruction and extension construction area, and the vehicles in the two-way single lane are guided to pass.

This invention discloses a composite open vertical shaft impact crusher, relating to the technical field of sand making equipment. It includes a crusher body, which comprises a feed hopper with a feed inlet at its center. The feed hopper includes a carrying plate, which includes a horizontal plate and an angle adjustment plate hinged together. The angle adjustment device drives the angle adjustment plate to rotate, changing the diameter of the feed inlet. Through precise control of the angle adjustment device, the diameter of the feed inlet is dynamically adjusted according to the material blockage and flow rate, ensuring smooth material flow. The position of the angle adjustment plate can be fine-tuned according to actual needs, ensuring optimal pretreatment of the material before it enters the crushing zone, thereby improving crushing efficiency and quality.

The utility model relates to the technical field of road drainage, and discloses a vertical grate type gutter inlet for cities, which comprises a plurality of catch basins built in a green belt and attached to a motorway, a water inlet is reserved on the front side surface of the catch basins above the motorway, a vertical rainwater grate is mounted on the catch basins at the position of the water inlet, and the vertical rainwater grate is mounted on the vertical rainwater grate. A main drainage port is reserved in the lower middle position of the rear side face of the catch basin, a main drainage pipe is buried in the position, corresponding to the main drainage port, of the rear side of the catch basin, a plurality of auxiliary drainage ports are reserved in the bottom position of the rear side face of the catch basin, and auxiliary drainage pipes are buried in the positions, corresponding to the auxiliary drainage ports, of the rear side of the catch basin. A pipe orifice of the auxiliary drainage pipe is positioned in the green belt. According to the vertical grate type gutter inlet, two groups of drainage pipes are arranged, one group is connected with an existing drainage irrigation ditch for outward drainage, and the other group is directly communicated to a soil layer in a green belt, so that water can be additionally replenished into the soil layer of the green belt during rainfall, and the soil layer of the green belt can obtain more natural rainwater replenishment.

A hidden drainage ditch system of a building curtain wall comprises a drainage ditch, a cover plate is installed on the drainage ditch, a water inlet is further formed in the upper portion of the drainage ditch, and the hidden drainage ditch system further comprises a filtering assembly arranged at the water inlet. The filtering assembly further comprises a primary filtering piece and a secondary filtering piece; the primary filter part comprises a barrier plate mounted at the water inlet, and a drainage gap for water flow to pass through is formed between the barrier plate and the water inlet; the secondary filtering piece comprises a filtering plate and a plurality of leakage holes formed in the filtering plate. According to the utility model, the blockage problem of the drainage ditch can be further relieved, and the maintenance intensity of the drainage system can be effectively reduced, so that the reliability and stability of the drainage system are enhanced.

The invention discloses a sewage treatment device convenient to reduce sludge, and relates to the technical field of sewage treatment.The sewage treatment device comprises a sewage purification table, a mixing pool is installed at one end of the sewage purification table, a sewage cutting-resistant plate is slidably connected to the inner wall of the mixing pool, and a filter plate is installed in the middle of the sewage purification table; an L-shaped sliding tooth plate is driven by rotating teeth, so that a sewage cutting stopping plate begins to perform a reciprocating cutting effect on the inner wall of the mixing tank, and dirt which is mixed, settled and coagulated into blocks and flocculent in the mixing tank can be uniformly cut; meanwhile, an adjusting plate can be driven to drive a cutting turning plate to turn over in a reciprocating mode at a water outlet under the extrusion effect of a distance adjusting groove formed in a sewage cutting stopping plate, and the cutting turning plate is driven to change at different angles in an arc-shaped turning groove through mutual extrusion of the arc-shaped turning groove and the cutting turning plate; sewage can be more fully mixed when flowing through the sewage treatment device, so that the sewage treatment effect is more uniform.

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.

The present invention belongs to the field of wetland technology, and specifically relates to a wetland ecological water level regulation system and method. The wetland ecological water level regulation system includes a water supply pool and a wetland foundation. The wetland foundation is provided with a rubble stone layer, a water supply layer, a first filter material layer and a second filter material layer from bottom to top. A water supply device is provided in the water supply layer. The water supply device is connected to the water supply pool. The water in the water supply pool enters the water supply device. The water supply device includes a vibration device. The vibration device of the present invention can not only block the water outlet, but also vibrate when supplying water to disperse the blockage and achieve the effect of alleviating the blockage of the filter material. The water level regulation method of the present invention is based on the above-mentioned wetland ecological water level regulation system.

This invention provides a flue gas nitrogen oxide reduction catalyst and its preparation and processing methods, relating to the field of industrial catalysis technology. The flue gas nitrogen oxide reduction catalyst has two functional zones, A and B, arranged sequentially along the flue gas flow direction. Functional zone A is a porous structure located at the inlet end for intercepting dust in the flue gas; functional zone B is located downstream of functional zone A and is the main reaction zone for the catalytic reduction of nitrogen oxides. The flue gas nitrogen oxide reduction catalyst provided by this invention protects the catalytic activity of functional zone B by intercepting dust in functional zone A. This partitioned design synergistically solves the problems of clogging and poisoning, significantly extending the catalyst's lifespan.

The invention discloses a spraying structure for a devolatilization device, which comprises an outer pipe, a conveying pipe and a nozzle, the outer pipe is tightly connected with an input pipe of circulating hot water through an auxiliary pipe, and is used for receiving the supply of hot water; one end of the conveying pipe is firmly connected to the outer pipe, the other end of the conveying pipe extends into the kettle body and is tightly connected with the spray head, and a spraying opening of the spray head is arranged downwards; the outer pipes and the sprayers are arranged in two sets, each set of outer pipes is provided with one set of sprayers correspondingly connected with the outer pipes, and the upper set of sprayers and the lower set of sprayers are arranged in a staggered mode in the spatial layout.

The utility model provides a novel rainwater grate, which comprises a main body frame and a lily leaf sealing element, the main body frame is provided with a drain hole for water to pass through, the lily leaf sealing element is arranged at the drain hole, the lily leaf sealing element has a water passing opening state and a blocking closing state, and when the lily leaf sealing element is in the water passing opening state, the lily leaf sealing element is blocked. Rainwater flows into the existing drainage system through the lily leaf, and when the lily leaf sealing piece is in a closed blocking state, the lily leaf sealing piece and the main body frame jointly form a separation assembly. The device has the anti-blocking and deodorant functions under the working condition of dry seasons; under the working condition of rainy seasons, the rainwater grate has high permeability and water passing performance, and the anti-blocking effect is better than that of a traditional rainwater grate; the device is simple in structure and low in production cost, can be applied to new construction and reconstruction of road drainage system facilities, and has good application prospects.

This invention relates to the field of flood control manhole cover technology, and proposes an anti-clogging manhole cover for flood control emergency use in municipal engineering. The cover includes: a cover body with several vertically extending drainage windows; several flaps that open and close within the drainage windows, each flap having an upward-lifting portion. When the flap is open, the upward-lifting portion rotates to the top of the cover body and is tilted. Moving objects on the road press down on the flaps, causing them to close; a filter cover located below the upward-lifting portion, with an anti-clogging channel inside. When the flap is open, the upper part of the filter cover passes through the drainage windows and rotates to the top of the cover body, while the lower part of the filter cover is located inside the drainage windows or below the cover body; and an actuating element that drives the flaps to rotate and open. This technical solution solves the problem in the prior art where manhole covers in motor vehicle lanes cannot effectively participate in drainage during flood control emergencies, thus affecting traffic flow.

The utility model belongs to the technical field of waste incineration power generation, and particularly relates to a waste incineration waste residue recovery device. Comprising a treatment bin, a feeding pipe and a discharging pipe are sequentially arranged on the upper side face and the lower side face of the treatment bin, the feeding pipe and the discharging pipe communicate with the interior of the treatment bin, and an incineration waste residue classified collection assembly is arranged in the treatment bin. Through structural improvement, magnetic metal in waste residues generated after waste incineration can be rapidly separated out, the magnetic metal can be synchronously collected through the scraper blade while being separated, blockage can be relieved through the externally arranged multifunctional auxiliary scraper blade in the collection process if corresponding blockage occurs, and the waste residues can be recycled. The overall practicability and convenience are higher, and the overall working efficiency is improved.

The utility model relates to the technical field of metering machines, in particular to an adjustable valve metering machine. According to the technical scheme, the metering machine discharging channel comprises a metering machine discharging channel body and further comprises a connecting frame, and the connecting frame is fixedly connected to the bottom of the metering machine discharging channel body; and the receiving hopper is fixedly connected to the end, away from the discharging channel of the metering machine, of the connecting frame, the top of the receiving hopper is located under the bottom end of the discharging channel of the metering machine, and the bottom end of the receiving hopper is fixedly connected with a discharging pipe used for guiding flow. By rotating the rotating valve shaft, the rotating valve shaft drives the rotating valve block to rotate in the discharge pipe, so that a gap between the valve and the discharge pipe 4 is adjusted, the outflow rate of materials is further controlled, and the stirring mechanism can stir accumulated materials, accelerate flowing of the materials and relieve the blockage problem. And the discharging condition of the materials is intelligently monitored, and the sudden blockage problem is intelligently and rapidly solved.

The present invention proposes a melt impregnation mold and method for thermoplastic resin-based prepreg (tape), belonging to the field of melt impregnation molds and processes. The invention solves the problem that the existing melt impregnation mold is difficult to complete the continuous impregnation process of thermoplastic resin on fiber and the impregnation efficiency is low. It includes an upper mold and a lower mold, the upper mold is covered on the upper part of the lower mold, the upper mold includes an upper mold cover plate, an upper mold impregnation roller and an upper mold guide roller, the number of the upper mold impregnation rollers is multiple, and the multiple upper mold impregnation rollers are arranged below the upper mold cover plate at intervals along the length direction of the upper mold cover plate, and an upper mold guide roller is arranged below the upper mold cover plate, and the lower mold includes two lower mold side plates, a lower mold middle plate, a rotating impregnation roller, a rotating guide roller and a rotating calendering roller, and the two lower mold side plates are arranged on both sides of the lower mold middle plate in the width direction. It is mainly used for melt impregnation of thermoplastic resin-based prepreg (tape).

This invention relates to a crushing and screening system for lithium hexafluorophosphate crystals, belonging to the technical field of crushing and screening equipment for lithium hexafluorophosphate crystals. The invention includes a casing, a first-stage crushing mechanism, a second-stage crushing mechanism, a third-stage crushing mechanism, a first screen plate, a second screen plate, and a first guiding assembly. The casing has a feed inlet at the top and a discharge outlet at the bottom. The first, second, and third-stage crushing mechanisms are arranged sequentially from top to bottom within the casing, with the outlet of the previous crushing mechanism staggered from the inlet of the next crushing mechanism. The first screen plate guides the crystals from the outlet of the first-stage crushing mechanism into the second-stage crushing mechanism, and the second screen plate guides the crystals from the outlet of the second-stage crushing mechanism into the third-stage crushing mechanism. The first and second screen plates screen out crystals of acceptable particle size. The first guiding assembly has interconnected transverse and vertical material guiding channels, with the transverse material guiding channel extending below the first screen plate.

The invention relates to the technical field of garden pruning equipment, in particular to garden pruning equipment which comprises a connecting rod assembly, a control mechanism is fixedly mounted at the tail end of the connecting rod assembly, and a cutting mechanism is fixedly mounted at the front end of the connecting rod assembly; the cutting mechanism comprises a U-shaped frame, a driving assembly is installed between the two sides of the U-shaped frame, a cutter assembly is installed on the driving assembly in a transmission mode, a cutter holder assembly is fixedly installed at one end of the U-shaped frame, and a grinding assembly is arranged in the cutter holder assembly; the cutter assembly comprises a mounting batten; a cavity is formed in the mounting batten, spray holes are formed in the bottom surface of the mounting batten, a pipe joint is mounted on one side of the mounting batten, and a liquid supply assembly is fixedly connected to the end, away from the mounting batten, of the pipe joint; through the arrangement of the liquid supply assembly and the mounting batten, synchronous medicine feeding operation can be carried out in the branch cutting-off process; and through the arrangement of the grinding assembly, the cutter can be automatically ground in each cutting operation process.

The invention belongs to the technical field of cosmetics, and particularly relates to an anti-aging repairing composition and a cosmetic. The anti-aging repairing composition comprises needle-like silica and a nucleic acid tetrahedron solution. According to the composition and the cosmetic, controlled skin injury is formed through the needle-like silica, skin pore blockage is relieved, natural stripping of aged cuticle is accelerated, microcirculation of skin cells below the cuticle is activated, the overall metabolic condition of epidermis is improved, a natural skin repairing mechanism is stimulated, and under the synergistic effect of tFNA, the skin can be effectively repaired. Synthesis of important construction substances such as collagen, elastin and hyaluronic acid is promoted, the skin barrier function is repaired, and the skin health state is improved. Therefore, various skin defects such as skin photoaging, roughness, relaxation, wrinkles, dryness, hyperpigmentation, sensitivity and angiotelectasis are remarkably improved.

The utility model relates to a kind of gas monitoring devices with quick-release filter core and back blow ash cleaning structure, belong to environmental monitoring equipment technical field, to solve the problem of existing gas monitoring device filter core easy to block, replacement maintenance difficulty.This gas monitoring device with quick-release filter core and back blow ash cleaning structure includes detector main body and filter component, gas sensor, main control board, main air inlet channel and back blow ash cleaning component are equipped in detector main body;Filter component is detachably connected in the air inlet end of detector main body by quick-release mechanism;The back blow ash cleaning component includes back blow air pump and gas path switch valve, can be under the control of main control board, realize the reverse blow ash cleaning of filter core in filter component.This gas monitoring device with quick-release filter core and back blow ash cleaning structure realizes the automatic maintenance of device by integrated back blow ash cleaning function, prolongs filter core life;Meanwhile, quick-release mechanism simplifies the replacement operation of filter core, significantly improves the reliability of monitoring and the convenience of maintenance.

The utility model relates to the technical field of micro-fluidic chips, in particular to a micro-fluidic chip with an anti-blocking function, which comprises a body. An opening of the sample adding hole is formed in the upper surface of the body; the at least one sample separating channel is communicated with the sample adding hole, and an anti-blocking area is arranged between the sample separating channel and the sample adding hole; wherein the anti-blocking area comprises a transition section which is arranged along the edge of the sample adding hole and is positioned on the lower surface of the body, at least two first bulges which are arranged towards the lower surface of the body are arranged on the transition section at intervals, and a first transition channel is formed between every two adjacent first bulges; a second transition channel is formed between the first protrusion and the first side edge of the transition section. The problem of fiber blockage in the centrifugal sample separation process is effectively relieved by adopting the design of the double transition channels formed by the multi-bulge layout.

The utility model discloses a screening device for powder sodium silicate production. The screening device comprises a cylindrical outer cover. The lower end face of the cylindrical outer cover is closed, a detachable upper cover plate is installed on the upper end face of the cylindrical outer cover, a feeding pipe is installed on the upper surface of the detachable upper cover plate, a coarse material outlet and a fine material outlet are formed in the lower end face of the cylindrical outer cover, a main shaft is rotationally connected into the cylindrical outer cover, and the upper end of the main shaft penetrates through the detachable upper cover plate. According to the screening device for powder sodium silicate production, powder sodium silicate is screened in a sealed mode, dust overflow of the powder sodium silicate in the screening process can be effectively avoided, meanwhile, the powder sodium silicate can be effectively screened out by shaking the screen, and the powder sodium silicate can be effectively screened out by shaking the screen. The blocking condition of meshes of the screen can be effectively relieved; raw materials needing to be screened are fed into the first conical collecting barrel through the feeding pipe and finally fall onto the spiral filter screen through a discharging opening in one end of the conical collecting barrel.

The invention provides a crown block scheduling method and device, a storage medium and electronic equipment. The crown block scheduling method comprises the following steps: acquiring a current index position of a target crown block on a planned path in a current detection period; under the condition that the current index position changes relative to the historical index position, determining whether the current index position is an end point index position of the planned path or not; if the current index position is not the end point index position, determining whether an assignable index position exists or not; the distributable index position is one or a plurality of continuous idle index positions ranked behind the current index position on the planned path, and the distance from the current index position to the distributable index position does not exceed the limiting distance; and if the assignable index position exists, assigning the assignable index position to the target crown block. The target crown block only occupies the index position within the limited distance, and the number of the index positions occupied by the target crown block at the same time is reduced, so that mutual interference between crown blocks is reduced, blockage is relieved, and crown block scheduling efficiency is improved.

The application discloses a kind of stator and vacuum pump, it is related to vacuum pump technical field, including stator main body and purging module, the stator main body inside is limited to the compression cavity for accommodating rotor, the purging module is set to the outer wall of the stator main body, and the purging module has gas inlet connector, the inside of the purging module is provided with inflow chamber, the inflow chamber and the compression cavity are communicated by blowing gas connector.The application is introduced into inflow chamber by setting blowing gas module, directly introduced into compression cavity by blowing gas connector, effectively relieve the gas reflux caused pipeline blockage, simplify the pipeline structure of gas path purging, to reduce the processing difficulty.

The utility model relates to the technical field of plate heat exchangers, and discloses a plate heat exchanger with a filter screen pipe, which comprises a shell I. A medium inlet pipe and a medium outlet pipe are arranged on the front side of the shell I. Flanges are fixedly mounted on the outer sides of the medium inlet pipe and the medium outlet pipe. The inner wall of the medium inlet pipe and the inner wall of the medium outlet pipe are slidably connected with a first-stage coarse filter pipe, a sliding groove is formed in the outer edge of the first-stage coarse filter pipe, a clamping groove is formed in the inner side of the flange, and a spring is arranged on the inner wall of the sliding groove. Through cooperative use of clamping blocks and clamping grooves, after filter screens of a first-stage coarse filter pipe, a second-stage filter pipe and a third-stage fine filter pipe are blocked by impurities or incrustation, a pressing plate is pressed downwards, so that the pressing plate applies downward pressing force to a sliding plate, and at the moment, the sliding plate downwards extrudes a spring to generate deformation shrinkage, so that the filter screens of the first-stage coarse filter pipe, the second-stage filter pipe and the third-stage fine filter pipe are blocked by the impurities or the incrustation; and through cooperation between the limiting block and the limiting groove, sliding of the sliding plate can be limited, and the sliding plate slides downwards.

The invention belongs to the technical field of building construction, and particularly relates to building raw material production and processing ball-milling equipment which comprises a processing main body, the processing main body comprises an isolation cylinder, a sliding sealing cover is slidably connected to the top of the inner wall of the isolation cylinder, and ball-milling equipment is arranged on the upper portion of the inner wall of the isolation cylinder. A funnel guide cylinder is fixedly connected to the middle of the inner wall of the isolation cylinder, drainage equipment is arranged at the bottom of the funnel guide cylinder, and a discharging bottom cylinder is arranged at the bottom of the isolation cylinder. According to the device, thrown stones are ball-milled into fine construction stones through the ball-milling equipment above, but the processed stones are not directly discharged, but are stored in the spherical container below for mixing work, and the feeding port of the spherical container is blocked during discharging work, so that the situation that the discharging port is blocked due to excessive stones in the spherical container is prevented, and the construction efficiency is improved. And during discharging, discharging work of the stone can be accelerated through centrifugal force of rotation, and the problem that a through opening of the guide pipe barrel is blocked is solved.

The utility model discloses a wet-process granulating and discharging device, which relates to the technical field of granulating and comprises a support frame and a wet-process granulating machine body, the wet-process granulating machine body is mounted above the support frame, feeding ends are mounted on the left side and the right side of the upper surface of the wet-process granulating machine body, and a support frame is mounted above the wet-process granulating machine body; a discharging end is mounted below the wet-process granulator body, a stirring assembly is mounted on the transmission shaft, and a conveying pipe is mounted at the lower end of the discharging end; and a splicing arc-shaped assembly is mounted below the conveying pipe. According to the wet granulating and discharging device, the feeding ends are arranged on the left side and the right side of the wet granulating machine body, and the reciprocating motion of the conveying plate is utilized, so that materials uniformly enter the granulating machine from multiple positions, the problem of feeding and discharging blockage is effectively solved, the uniformity of the raw materials in the granulating process is ensured, the consistency of the granulating effect is improved, and the production efficiency is improved. The granularity difference of a final product is reduced, and the requirement of high-quality production is met.

The utility model relates to the technical field of medical equipment, and discloses a pipeline assembly and a sphygmomanometer, the pipeline assembly comprises a main pipeline, an air release valve, an air pump and an electromagnetic valve, the main pipeline is provided with a first pipe opening communicated with the air release valve, a second pipe opening communicated with the air pump and a third pipe opening communicated with the electromagnetic valve, and the first pipe opening is located above the second pipe opening; the second pipe opening is located above the third pipe opening so that the air pump can be located above the electromagnetic valve. According to the sphygmomanometer, the air escape valve is located at the highest position of the main pipeline, so that the difficulty that dust is sucked by the air escape valve is increased, the possibility that the dust possibly enters the air escape valve to block the air escape valve is reduced, the problem that the air escape valve is prone to being blocked is solved, and then normal work of the sphygmomanometer and the service life of the sphygmomanometer are guaranteed; the air pump is located above the electromagnetic valve, so that the air pump is separated from the bottom wall of the shell, a gap is formed between the air pump and the bottom wall of the shell, the difficulty that dust in the shell is sucked into the main pipeline through the air pump is increased, and normal work of the sphygmomanometer is further guaranteed.

This invention discloses a mixed-use (edible and ornamental) lake composite diverse wetland module and its construction method, relating to the field of wetland ecological engineering technology. It includes a primary purification unit located on the lake shoreline, a deep purification and resource production unit located in the open water area of ​​the lake, and a hydraulic connection system connecting the primary purification unit and the deep purification and resource production unit. This mixed-use (edible and ornamental) lake composite diverse wetland module and its construction method connects surface flow wetland units and horizontal subsurface flow wetland units in series to form a primary purification unit. This unit is then spatially combined and hydraulically connected with an aquatic vegetable-type floating island wetland constructed based on a bamboo frame, netting, vegetable rotation ponds, and supporting bamboo poles. A directional water flow path including an inlet area, a wedge-shaped distribution channel, and a collection pipe is also provided. This constructs a three-dimensional composite purification system integrating primary interception, deep purification, and resource production, achieving synergy between water purification efficiency and edible plant resource production.