73 results about "Reciprocating flow" patented technology

The invention relates to the technical field of axial flux motors, in particular to a stator cooling structure, a stator assembly and an axial flux motor, the stator cooling structure comprises a shell and a partition plate, the shell is internally provided with a cooling cavity for accommodating a plurality of stator units, and the shell is connected with an inlet for inputting a cooling medium and an outlet for outputting the cooling medium; the partition plate is connected into the shell and divides the cooling cavity into a first cavity and a second cavity in the thickness direction. The partition plate is provided with a first via hole matched with the stator unit and a plurality of channels communicated with the first cavity and the second cavity, and reciprocating flow of a cooling medium between the first cavity and the second cavity is achieved through the channels. The stator heat dissipation effect can be improved, and local high temperature in the stator is prevented.

The invention discloses a non-contact mechanical sealing device for a rolling bearing, and relates to the technical field of non-contact sealing, the non-contact mechanical sealing device comprises a sealing end shell, a mounting flange, a connecting end shell and a rotating shaft, the sealing end shell is internally provided with a sealing mechanism for realizing sealing of a connecting structure of the sealing end shell and the rotating shaft; a lubricating mechanism for promoting liquid in the sealing end shell to flow back and forth is arranged on the side face of the sealing mechanism. An outer liquid sealing mechanism used for supplementing lubricating oil in the sealing end shell in real time is installed on the front side of the sealing end shell, and a liquid conveying port is formed in the outer surface of the outer liquid sealing mechanism. The sealing mechanism comprises an inner sealing ring, an annular sealing structure is additionally arranged at the joint of the side face of the sealing end shell and the rotating shaft through the side sealing ring groove and the side wedge ring, a multi-stage sealing defense line is formed by the annular sealing structure and a main sealing interface, and the overall sealing reliability between the inner wall of the sealing end shell and the rotating shaft in the axial direction and the radial direction is further improved.

The invention discloses a cold plate-based battery thermal management system and an operation control method thereof. The system comprises a plurality of battery units, two liquid cooling plates and a filling material, the battery units are vertically arranged between the two liquid cooling plates; and the filling material is embedded among the battery units. According to the operation control method, the temperature field of the battery unit is monitored in real time, and the flow direction of the cooling liquid in the liquid cooling plate is dynamically adjusted according to the temperature difference of the battery pack and the highest temperature monitoring result, so that more low-temperature cooling liquid can be guided to the area of the battery unit with higher temperature. Compared with traditional fixed-period reciprocating flow, the battery thermal management system based on the cold plate and the operation control method of the battery thermal management system achieve lower battery pack temperature difference and better battery pack temperature uniformity under the condition that the reversing times of cooling liquid are the same, so that the service life of the battery pack is prolonged, and the performance of the battery pack is improved; the method has the advantages of simple operation, good adaptability, low operation cost and good temperature control effect.

The present application relates to sewage treatment technical field, in order to solve the internal physical separation of sewage treatment equipment in the prior art, the volume of each process section is fixed, the sewage treatment capacity of equipment is fixed, each process section volume cannot be adjusted with the change of external factors, thereby the sewage treatment capacity of equipment is inconvenient to adjust;An integrated domestic sewage treatment system is provided, including horizontal tank body, the front end of the inside of tank body is provided with at least a group of first aeration device, the rear end of the inside of tank body is provided with at least a group of membrane module and second aeration device;And the front end and the rear end in the inside of tank body are formed by the first aeration device, membrane module and second aeration device in tank body to form pressure difference, so that the sewage in tank body reciprocating flows from rear end to front end;It can realize the flow of sewage between different fuzzy process sections, complete biochemical reaction process, reduce equipment cost, energy consumption and failure rate, and improve the effect of standard discharge rate.

The utility model discloses a control device of a gas-steam combined cycle unit, which relates to the technical field of gas and comprises a gas turbine and a steam turbine, and a heat exchanger is connected between the gas turbine and the steam turbine. In the process that cold water enters the cylinder from the water inlet pipe and flows towards one end of the steam outlet pipe, when the cold water flows between the inner side of the cylinder and the outer side of the main steam passing pipe, the cold water forms internal and external conversion annular flow through flow guide of the multiple inner circulation gaps and the multiple outer circulation gaps, and therefore the cold water forms radial reciprocating flow in the flowing process; therefore, the inner layer and the outer layer of cold water are continuously changed, heat exchange of the main gas passing pipe and the gas passing branch pipes is more uniform, the phenomenon that a relatively static heat exchange layer is formed is avoided, the heat exchange efficiency of high-temperature flue gas and cold water is enhanced, and the heat exchange effect of the gas-steam combined cycle unit control device is enhanced.

This invention relates to the field of cold stamping die technology and discloses a design template for a cold stamping die sleeve, including a base, a pad fixedly installed inside the base, a die sleeve fixedly installed inside the pad, a die sleeve fixedly installed inside the die sleeve, and a cooling water inlet connector, a cooling water outlet connector, and a lubricant connector fixedly installed outside the base. The die sleeve has an interface docking mechanism, an automatic lubrication mechanism, and an assembly mechanism. The automatic lubrication mechanism includes a driven column. This invention effectively reduces stamping friction between dies through precise injection of lubricating oil. Simultaneously, the reciprocating flow of oil between the die sleeve and the inner core provides hydraulic-assisted damping, effectively absorbing the impact vibration generated during stamping, thereby extending the service life of the die and improving the processing quality of the stamped parts.

The utility model discloses a plain river network reciprocating flow choking and guiding device, which relates to the field of river channel guiding facilities and comprises a plurality of guiding plates arranged on two sides of a river channel bank, the appearance of each guiding plate is in a Tesla valve shape, and all the guiding plates are arranged on the river channel bank in the same direction; the fixed seats are arranged in one-to-one correspondence with the guide plates, and the fixed seats are arranged on the bank of the river channel; one end of the fixing frame is rotationally arranged on the fixing seat, and the other end of the fixing frame is connected with the flow guide plate; according to the device, a simple flow blocking-guiding structure is constructed in a plain river network area by utilizing a Tesla valve principle, so that the flow direction of a river channel water body can be controlled under a certain hydrological condition, accurate prevention and control of a protection area can be realized, and the flow blocking-guiding structure has the characteristics of simplicity in design and construction, low economic cost, good prevention and control effect and the like.

The utility model discloses an aluminum hydroxide washing device, which relates to the technical field of aluminum hydroxide production and comprises a bottom plate, two vertical plates are symmetrically and fixedly connected to the top of the bottom plate, a washing box is rotatably connected between the two vertical plates through two first rotating rods which are symmetrically distributed front and back, and a first motor is fixedly connected to the front side of the vertical plate on the front side. The output end of the first motor penetrates through the vertical plate and is fixedly connected with the front end of the first rotating rod on the front side, a box cover is installed on the top of the washing box, and the top of the box cover communicates with multiple rows of liquid spraying pipes. During use, the washing box is driven by the first motor and the first rotating rod to swing left and right in a reciprocating mode, aluminum hydroxide can flow left and right on the supporting plate in a reciprocating mode, cleaning liquid is sprayed to the supporting plate in cooperation with the multiple rows of liquid spraying pipes located on the upper side of the supporting plate, and the aluminum hydroxide can make full contact with the cleaning liquid; and the aluminum hydroxide cleaning effect and quality are improved.

The application relates to a submarine large-diameter pipeline installation device and a construction process thereof, in particular to a submarine large-diameter pipeline installation device and a construction process thereof with a pipe diameter larger than DN1200. The device comprises a pipeline body, the two ends of the pipeline body are provided with an ellipsoidal flange, and the pipeline body is provided with an anti-sliding pipe shoe; the anti-sliding pipe shoe comprises a wave-shaped flat pipe shoe, an anti-rolling support and a fixing sleeve, the wave-shaped flat pipe shoe is symmetrically provided with double wave-shaped plates on the two sides, and the wave-shaped flat pipe shoe is provided with the anti-rolling support; the anti-rolling support is provided with the fixing sleeve matched with the pipeline body. The pipeline body is installed underwater in sections through the anti-sliding pipe shoe, the device can adapt to relatively complex sea conditions such as reciprocating flow, the requirement for the leveling of the submarine pipeline bed is reduced, the large-diameter pipeline with a diameter larger than DN1200 can be quickly installed, cost is saved, the operation is simple, and the construction is convenient.

The invention discloses a quantitatively-added lubricating oil preparing and blending device, relates to the technical field of lubricating oil blending, and aims at solving the technical problems that a stirring structure in the lubricating oil preparing and blending device is single in function and low in applicability. The top of the blending tank is fixedly connected with a top cover through a first bolt, and a stirring mechanism is fixedly arranged in the blending tank. Through an iris structure, a plurality of stirring rods are driven to move, two states of dispersing and gathering of the stirring rods are presented, during dispersing of the stirring rods, lubricating oil can be stirred, in the stirring process, the lubricating oil at the bottom of the blending tank flows in a reciprocating mode through a dust removal assembly, the lubricating oil mixing efficiency is improved, and when the stirring rods form a pipeline shape, the lubricating oil can be uniformly mixed. The lubricating oil mixing device can convey and filter lubricating oil and has two different use states, the lubricating oil mixing efficiency is improved, and the applicability of the device is improved.

The application relates to a self-adaptive air cooler and an adjusting method thereof, which comprises a cooling cylinder, an inflow medium expansion cylinder, an outflow medium collection cylinder, a moving pipe arranged in the cooling cylinder and moving in parallel, a flow resistance mechanism arranged on the moving pipe in parallel and a moving mechanism arranged on the cooling cylinder; the moving pipe is connected with the expansion cylinder and the collection cylinder respectively; the moving mechanism drives the moving pipe to move and adjusts the interval of the moving pipe; gas flows into the cooling cylinder, is temporarily stored in the flow resistance mechanism, flows along the moving pipe and is discharged. The problems that the medium needs to flow back and forth in the cooling pipe to complete air cooling, the processing capacity is limited when the inflow amount of the medium is large, the gas amount generated by the fan is constant, and the air cooling capacity is limited when the temperature of the medium changes are solved.

The application discloses a method and device for controlling liquid reciprocating flow based on magnetic force and application. The method provided by the application utilizes the interfacial capillary force generated by the hydrophilic magnet on the gas / liquid / solid three-phase interface formed before the liquid is separated to realize the flow control of the liquid. The method has the advantages of: 1) non-contact flow control, which can avoid the pollution caused by contact control (such as mechanical probe control); 2) the liquid is moved smoothly and quickly, no bubbles and new gas-liquid interfaces are generated, the severe friction and vibration on the gas-liquid interface are avoided, and the aerosol generation probability is reduced; 3) compared with the existing magnetic control mode for moving or disturbing the liquid by pushing force, the aerosol pollution risk is greatly reduced. In addition, the beneficial effects of only 1-2 minutes for one round of antigen-antibody combination and 5-15 minutes for one detection are realized, and the detection speed is much higher than that of the traditional immunodetection method based on a reaction cup or a microhole plate.

The invention relates to the technical field of dies, in particular to an automobile metal plate stamping die which comprises an upper die body and a lower die body, the upper die body is located over the lower die body, guide mechanisms are arranged on the left side and the right side of the upper die body and the left side and the right side of the lower die body correspondingly, and each guide mechanism comprises a guide column and a sliding base. A second heat dissipation structure for absorbing heat emitted by local high temperature generated during stamping is arranged in the lower die, the first heat dissipation structure and the second heat dissipation structure are connected through a connector, and the connector is used for achieving reciprocating flowing of the liquid cooling medium between the first heat dissipation structure and the second heat dissipation structure and absorbing heat and cooling the liquid cooling medium. Closed-loop liquid cooling circulation is formed through the first heat dissipation structure in the guide column and the second heat dissipation structure in the lower die, a liquid cooling medium is continuously cooled through the connector, dual efficient heat dissipation of a guide mechanism and a stamping area is achieved, friction heat and stamping local high temperature are remarkably reduced, sheet metal part deformation is avoided, the stamping precision is improved, and the product quality is improved. The effects of cooperative heat dissipation and efficient cooling are achieved.

The present application relates to a kind of turbulence system and construction method for slowing down scouring erosion of seabed around offshore wind turbine pile foundation, to destroy original downflow and horseshoe vortex system, set wide range of spoiler at a distance from wind turbine pile foundation body, especially in the direction of reciprocating flow dominant direction;More intensive and higher spoiler is arranged within one times pile diameter range around pile foundation body, and the bed surface around pile foundation body is mainly protected.The present application designs spoiler and achieves the purpose of large-scale anti-scouring by the arrangement mode of multiple initiatives combination and multiple devices joint action, and is strong in universality, can be used in different terrain and different environment, especially effective for reciprocating flow.

The utility model discloses a kind of adjustable connected body oil cylinder, specifically related to mechanical technical field, the utility model includes two identical oil cylinder and adjusting seat group, oil cylinder includes cylinder body, piston rod, piston and end piece, one end of cylinder body is closed end, and is connected with pull ring one, the other end of cylinder body is the open end with communicating inner chamber, and open end is connected with the end piece for slidingly connecting piston rod, piston is fixedly connected in the inner end of piston rod, and piston is slidingly connected in cylinder inner chamber, the outer end of piston rod is connected with pull ring two, the side portion of end piece is provided with pipe joint one, pipe joint one is communicated with adjusting seat group by hose, the hydraulic oil in two oil cylinders is filled between respective piston and end piece respectively, and is circulated by adjusting seat group. It can be realized in stretching process to extrude transmission to hydraulic oil, realize stretch adjustable, relative to the original compression adjustable type oil cylinder structure, more suitable for the use of stair machine, mountain climber and other exercise equipment.

The utility model provides an automatic dispersion machine suitable for water-based gloss oil production, which comprises a base, side plates, a rotating shaft, a fixing frame, a dispersion tank, a motor, a material guide pipe and a scattering mechanism, the side plates are fixed on the upper side surface of the base, and the rotating shaft is rotatably arranged between the side plates; a fixing frame is fixed in the middle of the rotating shaft, a dispersing tank is fixed in the middle of the fixing frame, and a material guide pipe is fixed at one end of the dispersing tank; the motor is fixed to the side face of one side plate, and the output end of the motor is fixed to the rotating shaft. The scattering mechanism is fixed to the fixing frame, and the output end of the scattering mechanism is rotationally arranged in the dispersing tank. According to the device, mixed liquid of a water-based gloss oil raw material and a dispersing agent can flow in a reciprocating mode, the water-based gloss oil raw material and the dispersing agent are fully fused, in addition, the flowing liquid can be beaten through the scattering mechanism, and the fusion efficiency of the water-based gloss oil raw material and the dispersing agent is further improved.

The invention belongs to the technical field of vehicle accessories, and relates to a shock absorber which comprises a bottom valve assembly, a working cylinder assembly and an external nitrogen storage bottle, a damping cavity for oil liquid to flow back and forth is formed in the bottom valve assembly, the external nitrogen storage bottle comprises an outer bottle body and an inner bottle body which are arranged at an interval, the inner bottle body is provided with a floating piston in a sliding mode, and the floating piston is arranged in the working cylinder assembly. The floating piston divides a cavity of the inner bottle body into a gas cylinder oil cavity and a gas cavity, an oil overflow cavity is formed between the outer bottle body and the inner bottle body, the gas cylinder oil cavity is communicated with the oil overflow cavity through an oil overflow hole, the oil overflow cavity is communicated with the working cylinder assembly through a backflow channel, and the oil overflow hole is formed in the top of the gas cylinder oil cavity. According to the shock absorber provided by the invention, the technical problem of oil series flow of an existing nitrogen shock absorber can be solved.

The invention relates to a self-adaptive adjusting air cooler and an adjusting method thereof. The self-adaptive adjusting air cooler comprises a cooling cylinder, an expanding cylinder for a medium to flow in, a collecting cylinder for a medium to flow out, moving pipes which are movably arranged in the cooling cylinder in parallel, flow blocking mechanisms which are arranged on the moving pipes in parallel, and a moving mechanism which is arranged on the cooling cylinder, wherein the moving pipe is respectively communicated with the expanding cylinder and the collecting cylinder; the moving mechanism drives the moving pipes to move, and the distance between the moving pipes is adjusted. Gas flows into the cooling cylinder and is temporarily stored in the flow blocking mechanism, and the gas flows along the moving pipe and is discharged. The problems that in an existing scheme, a medium needs to flow back and forth in a cooling pipe to complete air cooling, when the inflow amount of the medium is large, the processing capacity is limited, the amount of gas generated by a fan is constant, and the air cooling capacity is limited when the medium temperature changes are solved.

The utility model provides a heating core body with double S-shaped flow channels, which solves the technical problems that when cooling liquid in an existing PTC (Positive Temperature Coefficient) heating core body flows through a water chamber, the water flow direction of the cooling liquid is random, vortexes are easy to form, vortex bubbles are further generated, local temperature is too high, and heating is not uniform, and can be widely applied to the field of PCT (Positive Temperature Coefficient) heating. The water heater specifically comprises a middle shell and a water tank, a plurality of heating bag grooves are formed in the middle shell side by side, and the heating bag grooves are in an inward concave shape and extend towards the bottom of the middle shell; a water chamber is formed in the water tank, a water inlet pipe and a water outlet pipe which are communicated with the water chamber are arranged on the side wall of the water tank, a baffle is arranged in the middle of the water tank and located between the water inlet pipe and the water outlet pipe, one end of the baffle is closed, the other end of the baffle is open, and cooling liquid can only pass through the open end of the baffle. A convex edge is further arranged on the inner side wall of the water tank, and the convex edge directly faces the heating groove of the heating bag groove and is tightly attached to the heating groove; and the convex edge, the baffle and the heating groove jointly form a reciprocating flow channel in the water chamber.

A cooling fabric comprises a fabric body with several breathable cooling structures on its bottom surface. The fabric body includes a bottom layer, a middle layer, and a top layer, with the middle layer located between the bottom layer and the top layer. The top layer has a breathable mesh structure and a breathable yarn layer woven into its outer wall. When used in clothing, the breathable cooling structures allow outside air to enter through the surface layer of the breathable mesh structure during wear and movement. This air passes through the mesh openings into corresponding cavities and then into the breathing channels. The cooling film within the breathing channels deforms under the influence of airflow, with its curved portion extending out of the breathing channel from the middle section to contact the skin. With the reciprocating flow of air, the cooling film intermittently contacts the skin, accelerating the evaporation of sweat and providing a lasting cooling sensation.

This invention discloses a model test apparatus and method for analyzing the influence of seepage force on sediment initiation under wave-current action. The apparatus includes a horizontal water tank made of plexiglass, a wave-current generator, a seepage force generator, and a data acquisition module. The combined reciprocating motion of a first and second piston installed at the end of the horizontal water tank creates a reciprocating flow to simulate wave motion. A circulating water system is added to simulate the combined effect of wave and current. A first water reservoir simulates different water depths through air pressure regulation. The seepage force generator is used to place sediment samples and generate seepage force with a specified distribution. The data acquisition module is used to collect the data required for the experiment. The sediment initiation process is observed using a high-definition digital imaging device combined with image processing technology. This invention has the advantages of small footprint, convenient operation, and precise control.

This invention belongs to the field of marine engineering technology, and particularly relates to a device for protecting offshore wind turbine pile foundations from scour in reciprocating currents. The device includes a breakwater base; a breakwater core, set on the breakwater base, with a trapezoidal cross-section; a seaward slope, laid on the seaward side of the breakwater core, comprising a sedimentation zone, a sediment collection platform, and an erosion prevention zone from top to bottom; a leeward slope, laid on the seaward side of the breakwater core, with a slope of 1:1.5 to 1:3; and a breakwater crest, located at the top of the breakwater core, with a triangular cross-section, the width gradually increasing from the top downwards, and its bottom abutting against the top of the sedimentation zone, the top of the breakwater core, and the top of the leeward slope, respectively. The sedimentation zone is located at the top of the seaward slope with a slope of 1:1.5 to 1:3; the erosion prevention zone is located at the bottom of the seaward slope, abutting against the breakwater base, with a slope of 1:1 to 1:1.5; and the sediment collection platform is located between the sedimentation zone and the erosion prevention zone, with a width 1.5 to 3 times the width of the breakwater core, connecting the sedimentation zone and the erosion prevention zone.

This invention discloses an adaptive flow-guided cooling immersion liquid cooler for energy storage battery packs and a thermal management method, relating to the field of energy storage battery thermal management technology. The liquid cooler includes a liquid cooler body, a circulating water tank, immersion circulation pipelines, heat exchange flow-guided pipelines, adaptive flow-guided heat exchange components, and a control system. The liquid cooler body is divided into a liquid distribution chamber, an immersion chamber, and a heat exchange chamber. Left and right guide vanes are staggered to form an S-shaped reciprocating flow channel, and the vane tilt angle is adjustable. Dual circulation pipelines connect the immersion chamber and the heat exchange chamber respectively. The thermal management method divides four heat dissipation modes according to the cooling medium temperature. Under high load conditions, it optimizes the pipeline flow velocity and guide vane tilt slope through a thermal-fluid coupling mathematical model and dynamic weight allocation. This invention can optimize the flow field distribution, enhance microscopic heat transfer, effectively improve the uniformity of the battery pack temperature field, reduce the risk of thermal runaway, adapt to the efficient and stable heat dissipation requirements of large-capacity, high-power-density energy storage batteries, and improve battery operating safety and cycle life.

The utility model discloses an anti-scalding electric iron which comprises an electric iron body, an L-shaped plate is installed in the electric iron body in a sliding mode, a heating plate is installed at the bottom of the L-shaped plate in a sliding mode, a cooling box is fixedly installed in the electric iron body, and a piston is installed in the cooling box in a sliding mode. A top column fixedly installed on one side of the L-shaped plate is fixedly installed on the top of the piston, a cooling plate is fixedly installed in the electric iron body, a cooling groove is formed in the cooling plate, the two ends of the cooling groove communicate with a liquid inlet pipe and a circulating pipe correspondingly, and the liquid inlet pipe and the fixing plate communicate with the cooling box. The cooling plate, the cooling groove, the circulating pipe, the cooling box and the like are used, heat dissipation can be conducted on an ironing bottom plate of the electric iron, the situation that heat dissipation cannot be conducted in time, and due to poor heat dissipation, aging of internal elements of the electric iron is accelerated is avoided, meanwhile, cooling liquid can flow in a reciprocating mode, circulating heat dissipation is conducted, and the service life of the electric iron is prolonged. And the cooling effect is greatly improved.

This invention discloses a modular dual-cylinder magnetorheological damper, comprising a main cylinder assembly and an outer cylinder assembly. The main cylinder assembly includes a main cylinder body and a first-stage piston, which is controllably slidably disposed within the main cylinder body, which is filled with magnetorheological fluid. The outer cylinder assembly includes an outer cylinder body and a second-stage piston installed within the outer cylinder body. Both axial ends of the outer cylinder body are connected to the main cylinder body and are respectively located on both sides of the sliding direction of the first-stage piston. The magnetorheological fluid can reciprocate between the main cylinder body and the outer cylinder body as the first-stage piston slides. This invention, through its modular design and innovative asymmetric damping force output, significantly reduces manufacturing costs, improves production efficiency and operational stability, and greatly enhances the flexibility and adaptability of the damper, providing strong support for the widespread application and further development of magnetorheological vibration reduction technology.

The utility model discloses a shock absorber, brake shock absorption linkage system and vehicle, including outer cylinder, inner cylinder, pipe body and adjusting piece, the inner cylinder is assembled in the outer cylinder in slip, the outer cylinder is provided with a first cavity, the inner cylinder is provided with a second cavity; the pipe body is arranged in the first cavity and extends into the second cavity, the pipe body is provided with a flow channel communicated with the first cavity and the second cavity, and the flow channel is used for enabling damping liquid to flow between the first cavity and the second cavity in a reciprocating mode when the inner barrel slides relative to the outer barrel; the adjusting part is arranged on the pipe body and is adjustable relative to the position of the pipe body, and the adjusting part is used for adjusting the through-flow area of the flow channel. According to the shock absorber, the supporting performance can be improved when a vehicle is braked, the situation that a vehicle head sinks instantly due to emergency braking is avoided, and the comfort and safety of vehicle driving are improved.

The invention relates to the technical field of slurry conveying, and provides a fluid end structure of a diaphragm pump for conveying high-concentration slurry and a control method.The fluid end structure comprises a base, the diaphragm pump, a slurry inlet valve, a slurry discharging valve and a connecting pipeline, and the slurry discharging valve is arranged below a diaphragm chamber of the diaphragm pump; the connecting pipeline comprises a slurry inlet pipe, a slurry distributing pipe, a slurry storage pipe, a slurry output pipe, a slurry outlet pipe, a slurry discharge pipe, a connecting pipe and a connecting bent pipe, and the slurry inlet valve, the connecting pipe and the slurry discharge valve jointly form a three-way flow channel allowing slurry to flow back and forth. The three-cylinder pump of the diaphragm pump superposes smooth flow through three pistons with the phase difference of 120 degrees from the mechanical principle, a slurry return pipe and an external pressure stabilizing device dynamically absorb a pressure peak value and compensate a flow valley value by compressing and releasing nitrogen, and therefore pipeline pressure fluctuation is controlled within an extremely low range, and the pressure fluctuation of the pipeline is controlled within an extremely low range. The problems of large fluctuation and easy scaling in the prior art are solved.

The invention discloses an industrial wastewater rapid treatment device which comprises a grid type roller arranged horizontally in the axial direction, a spiral piece is arranged in the roller, a sealing box is arranged below the roller, an arc-shaped sealing plate is arranged in the sealing box, and the sealing plate is used for sealing the arc-shaped lower portion of the roller. According to the industrial wastewater rapid treatment device, the roller is used for filtering wastewater and separating solid residues in the wastewater, the liquid collecting space at the bottom of the roller can store a small amount of liquid, the liquid collecting space is used for collecting the liquid, and the liquid collecting space is used for filtering the wastewater and separating solid residues in the wastewater. Solid residues are dispersed in the liquid, the probability that the solid residues adhere to the inner wall of the roller is reduced, meanwhile, the conveying efficiency of the solid residues in the roller is improved, the sealing box can further form a temporary container at the bottom of the roller, and the liquid in the temporary container flows between the sealing box and the roller in a reciprocating mode to form double-face washing on the net face at the bottom of the roller.

The utility model discloses a lubricating oil processing agitator, including the inner box, the outside of inner box is provided with the outer box, and the cavity is formed between inner box and outer box, and the bottom of cavity is provided with a plurality of communicating inner box's flow channel, and the lower surface of outer box is fixedly installed with the sealing base through bolt, and the inner side of inner box is rotatably connected with the positive direction stirring rod and a plurality of reverse stirring rods, and the upper surface of outer box is provided with the pressure control mechanism of control cavity gas pressure, and the inner wall of discharge pipe is provided with the electromagnetic valve. Through the positive direction stirring rod and a plurality of reverse stirring rods rotate simultaneously, can be to the lubricating oil in the inner box positive direction stirring and reverse stirring, through setting pressure control mechanism, through increasing the air pressure in the cavity and reducing the air pressure in the cavity, can make the lubricating oil reciprocating flow through the flow channel between the inner box and the cavity, to further improve the stirring effect, the utility model discloses the stirring mode is various, and the stirring mixing effect is improved greatly.

The utility model relates to the technical field of polyester staple fiber processing, in particular to a reciprocating machine for polyester staple fiber processing, which comprises a reciprocating machine base, a support plate is fixed at the top end of the reciprocating machine base, a connecting hole is arranged on the surface of the support plate, a connecting shaft is fixed on the surface of an operating plate, and the connecting shaft is rotatably connected in the connecting hole. A first mounting seat and a second mounting seat are fixed on the surface of the operation plate; the reciprocating machine has the beneficial effects that the operation plate intermittently rotates above the reciprocating machine base, one end of a limiting rod stays in a limiting rod mounting groove after rotation is completed, and the other end of the limiting rod is inserted into a first limiting groove or a second limiting groove to limit the operation plate, so that the stability of the operation plate in the operation process of the spray gun is guaranteed; lubricating oil can flow between the upper end and the lower end of the inner wall of the operation panel in a reciprocating mode, waste of the lubricating oil can be avoided, and a certain section of the operation panel can be prevented from being in a poor lubrication state.