1812 results about "Liquid drop" patented technology

The invention belongs to the technical field of microfluidics, and particularly relates to a liquid separation-convergence integrated liquid drop micro-fluidic chip and a liquid drop preparation method.The liquid separation-convergence integrated liquid drop micro-fluidic chip is characterized in that a liquid drop generation unit is arranged at the communication position of a branch splitting channel and a convergence channel which is correspondingly communicated with the branch splitting channel; and under the action of continuous phase shearing force, the dispersed phase solution is sheared off by the continuous phase solution, so that liquid drops are formed. The droplet generation units are symmetrically arranged along the circumference of the channel, the distance from each unit to the center is equal, and a continuous phase solution and a dispersed phase solution encountered at each droplet generation unit are almost equivalent, so that the sizes of the generated droplets are consistent, the droplets with basically consistent sizes are obtained at a collection port, and high-flux preparation of microspheres with uniform sizes is realized.

The invention discloses a jet type micro-droplet generation device and a micro-droplet generation method thereof, and belongs to the technical field of liquid-liquid heterogeneous / homogeneous reaction devices. The device comprises an injection pipe, the injection pipe is used for conveying a first liquid phase, the interior of the injection pipe is of a cavity structure, the injection pipe comprises a feeding section, a mixing section, a diffusion section and a feeding pipe, the feeding section, the mixing section and the diffusion section are sequentially communicated and coaxially arranged, the feeding pipe is used for conveying a second liquid phase, and the feeding pipe penetrates through the side wall of the feeding section and extends into an inner cavity of the injection pipe; a discharging opening of the feeding pipe is formed in the mixing section, and an annular flowing space is formed by the outer wall of the feeding pipe and the inner wall of the mixing section. The feeding pipe extends into the mixing section to form an annular flowing space, and a second liquid phase is dispersed into small liquid drops by fully utilizing the annular space and a strong shear flow field in the mixing section. The method is suitable for a liquid-liquid heterogeneous / homogeneous system, including a liquid-liquid heterogeneous / homogeneous reaction crystallization system generated by solid particles.

This disclosure provides for devices, methods, and systems for generating a plurality of droplets within a collecting container at an extremely high rate (e.g., of at least 1 million droplets per minute, etc.), each of the plurality of droplets comprising an aqueous mixture for a digital analysis, wherein upon generation, the plurality of droplets is stabilized in position within a region of the collecting container. The inventions enable partitioning of samples for digital analyses at unprecedented rates, where readout of signals from targets within such partitions can still be achieved in accordance with various assays.

This invention discloses a corrosion resistance testing device for PFA film production, relating to the field of film corrosion testing technology. It includes a housing, with a mounting plate fixedly connected inside the housing. A mounting frame is fixedly connected to the upper end of the mounting plate. A rotating column is penetrating the inner top wall of the mounting frame and rotatably connected to the mounting frame. A rotating plate is fixedly connected to the lower end of the rotating column. Multiple corrosive liquid droplet application mechanisms are provided on the rotating plate, evenly spaced along the circumference of the rotating plate. A rotating mechanism connected to the rotating column is provided on the mounting frame. A mounting groove is provided at the upper end of the mounting frame, and a limiting mechanism is provided inside the mounting groove. A partition plate is fixed inside the housing, located below the mounting plate. This invention, through the movement of the PFA film, enables different corrosive liquids to sequentially test the corrosion resistance of different positions on the PFA film, making the corrosion resistance testing process more efficient.

The invention discloses an underground coal mine wet-type centrifugal dust removal mechanism, a dust removal system and a use method of the dust removal system. The mechanism comprises an inner shaft, a middle barrel and an outer barrel which are coaxially arranged, a second blade is arranged on the outer side of the inner shaft; a plurality of through holes are formed in the peripheral side of the middle barrel, and first blades are arranged on the inner side of the middle barrel; a first annular area is formed between the middle barrel and the inner shaft, a second annular area is formed between the middle barrel and the outer barrel, and the inner shaft and the middle barrel are driven to rotate in the same direction. Dust-containing fluid enters from one end of the first annular area and is discharged from the other end of the first annular area or is upwards discharged from a hollow hole of the inner shaft; and dust-containing liquid drops subjected to rotating centrifugation are discharged from the sewage draining exit. A controllable forced rotating flow field can be formed, so that dust-containing fluid is subjected to larger centrifugal force, stress is uniform, the track is stable, the risk of impact rebound is reduced, fine dust capture and gas separation are completed, decoupling of centrifugal separation and collection of the dust-containing fluid is achieved, and the dust removal effect is better.

The invention discloses an immersed rotating packed bed combined coil device and method for reactive extraction, and the combined coil device comprises a shell, a liquid inlet, a sealing assembly, a liquid premixing pipe, a packing assembly, a heat exchange jacket, a liquid emptying port, a liquid outlet and a spiral coil assembly; according to the device, a reactor cavity is completely filled with liquid, so that an immersed reaction environment is formed; and a strong shearing effect is generated by utilizing the supergravity silk screen filler, so that rapid heterogeneous mixing is realized, and the reaction selectivity is improved. Meanwhile, a supergravity reaction area and a coil flow area are combined into a whole, the spiral coil can repeatedly change the flow direction and form vortex to realize continuous flow of the material and maintain the dispersion state of liquid drops, and the retention time of the material is flexibly regulated and controlled by adjusting the length of the coil, so that the reaction conversion rate is remarkably improved.

The utility model relates to the technical field of coking, in particular to a high-performance spray type saturator. The main body structure is a vertical container, the lower part of the container is a crystallization chamber, the upper part is an absorption chamber, and the absorption chamber is communicated with the crystallization chamber through an inner conical section and a downcomer; the lower part of the spiral deacidification device is positioned in the absorption chamber, the upper part of the spiral deacidification device is higher than the absorption chamber, and the spiral deacidification device, the absorption chamber and the crystallization chamber are coaxially arranged. Coke oven gas enters the absorption chamber of the saturator from the gas inlet and is in countercurrent full contact with spraying mother liquor in the absorption chamber to remove ammonia in the gas, then the gas enters the spiral acid remover, and most liquid drops in the gas are removed under the action of a spiral structure, so that the gas and the liquid are better separated, and meanwhile, the gas flow resistance is reduced.

The utility model discloses a novel gas injection tower plate with an open type flow baffle. The novel gas injection tower plate mainly comprises the flow baffle, a gas injection plate and gas rising holes, in order to improve the mass transfer efficiency and control the gas trend, a gas guide flange can be formed on the jet plate. Gas enters from the gas rising holes to drive liquid to rise along the spraying plate to reach the flow baffle, and the liquid is split into a large number of small liquid drops under the crushing action of the flow baffle, so that the gas-liquid contact area is increased, the gas-liquid mass transfer effect is enhanced, and the separation efficiency is improved; meanwhile, the gas phase and the liquid phase are blocked at the flow baffle, the speed is reduced, the liquid phase entrained in the gas phase can be conveniently condensed and fall back, and entrainment is reduced. The treatment capacity of the novel gas injection tower plate with the open type flow baffles can reach 1.5-2.5 times that of a common tower plate, the pressure drop of the tower plate is about 30%-60% that of the common tower plate, the entrainment entrainment rate is about 60%-90% that of a rectangular floating valve, and the novel gas injection tower plate has the advantages of high separation efficiency and wide operation range.

A method of manufacturing a display apparatus includes discharging liquid droplets in a first area of a substrate, moving a discharge part by a first distance along a side of the substrate and discharging the liquid droplets in a second area of the substrate, and moving the discharge part by a second distance along the side of the substrate and discharging the liquid droplets in a third area of the substrate. The first distance is different from the second distance.

The invention provides a flow sorter liquid drop delay adjusting method and system based on real-time cell flow velocity, relates to the field of flow sorting, and ensures that the liquid drop delay time can not be delayed even if factors such as temperature, nozzle state, air pressure and pipelines are changed in the sorting process by monitoring the cell flow velocity in real time and dynamically adjusting the liquid drop delay time. And the charge loading time of the liquid drop can be accurately controlled. Meanwhile, the liquid drop delay time is dynamically adjusted in real time, so that the random distribution of the cell flow velocity during high-speed sample loading can be effectively dealt with, and the cells at different positions can be accurately sorted. The automatic calibration and self-stabilization functions are achieved, a large number of experiment articles and a complex optimization process are not needed, accurate control over liquid drop delay can be completed only through real-time monitoring and adjustment on the basis of liquid drop delay initial value setting, the separation efficiency is improved, the experiment cost and the operation difficulty are reduced, and the separation efficiency is improved. And the cell sorting requirements in various biomedical fields are met.

The invention provides an MEMS component and a vibration cavity structure and a liquid ejection head thereof, the MEMS component comprises a piezoelectric actuator structure, and the vibration cavity structure is in contact with the piezoelectric actuator structure; the vibration cavity structure comprises a vibration cavity and a cavity wall, and the inner side wall of the cavity wall is arc-shaped; the vibration cavity structure is made of silicon and / or silicon oxide. The cavity wall of the vibration cavity structure disclosed by the invention adopts the design of the arc-shaped inner side wall, so that the deformation volume of the vibration cavity is increased on the premise that the density of the spray holes of the liquid spray head is not changed, and the size of liquid drops is effectively increased; and meanwhile, the liquid ejection head can realize ejection of liquid drops with the same size by using relatively small driving voltage, so that the energy consumption is reduced.

The utility model provides a droplet evaporation and combustion experimental device for observing flame. The droplet evaporation and combustion experimental device comprises a support frame; the liquid drop generating and conveying system is arranged on the experiment platform and is used for generating and conveying liquid drops; the heating system is arranged on the supporting frame and located above the liquid drop generating and conveying system, and the liquid drop generating and conveying system can convey the liquid drops to the heating system; and the shooting and data acquisition system is positioned on one side of the heating system and is used for shooting the state of the liquid drops in the heating system. According to the utility model, droplet evaporation and combustion experiments can be completed, droplet shape and flame form images can be acquired at a high speed, droplet evaporation and combustion rules can be further obtained, and deeper understanding of atomization combustion is facilitated.

The embodiment of the utility model provides a base assembly and a dish-washing machine, the base assembly comprises a base and a water retaining structure, an inner container has a liquid dropping level where leaked liquid drops, an electric appliance is installed through the base, the water retaining structure is arranged above a base body, the water retaining structure is provided with a water receiving groove, and when the inner container is placed on the base, the water receiving groove is located below the liquid dropping level; leaked liquid flowing out of the liquid dropping level is received through the water receiving groove, the probability that splashed water makes contact with an electric appliance in an electric shock mode can be reduced through the side wall forming the water receiving groove, and therefore the probability of electric shock accidents is reduced.

The utility model belongs to a spraying device, and provides a supersonic spraying device, a non-invasive spraying device and a spraying instrument.The problems that spraying is not uniform and operation is inconvenient still exist in an existing instrument, and the supersonic spraying device, the non-invasive spraying device and the spraying instrument.The supersonic spraying device comprises a liquid section, a gas inlet section, a contraction section, a throat part and an expansion section, and the gas inlet section, the contraction section, the throat part and the expansion section are coaxially and sequentially connected; liquid enters from the liquid section, gas is accelerated through the contraction section, reaches the throat part and is continuously accelerated at the expansion section, the liquid entering from the liquid section is atomized under the action of the gas at the throat part, is brought into the expansion section and is finally sprayed out from the spraying opening along with continuous acceleration, and the uniform spraying effect is achieved. According to the supersonic jet device, the ratio of the axial length L1 to the axial length L2 is designed, the structure of the supersonic jet device is further optimized, and actual verification shows that under the optimized ratio, the jet force of the supersonic jet device is obviously improved, the particle size and the jet range of jetted liquid drops are better, and the flow speed of the liquid drops is more stable.

To provide a coating system that can improve the property of discharging air bubbles and foreign matter from inside a coating head unit.SOLUTION: A painting robot 10 comprises: a painting head unit 50 comprising a painting head 53; a robot arm R1, which moves the painting head unit 50 to a desired position; a head control unit 90, which controls operation of the painting head 53; and a control unit comprising a robot arm control unit 70, which controls operation of the robot arm R1. The robot arm control unit 70 is configured to perform: head movement control to move the painting head unit 50 to shift a posture of the painting head unit 50 from an ejection position of ejecting droplets, so as to move air bubbles B1 present in the painting head 53; and posture return control to return the posture of the painting head unit 50 to the ejection position. The head control unit 90 is configured to perform droplet ejection control to eject droplets from a nozzle 54 during or immediately after the posture return control.SELECTED DRAWING: Figure 2

The invention belongs to the technical field of microfluidics, and particularly relates to a microfluidic chip and a method for preparing liquid drops in a high-flux and large-scale manner. A step emulsification structure and a liquid drop splitting structure are used together, a liquid drop generation structure is arranged at the communication position of a branch splitting channel and a main channel unit correspondingly communicated with the branch splitting channel, a dispersion phase necks at the liquid drop generation structure under the action of interfacial tension to form liquid drops, and the liquid drops are generated under the leading of the interfacial tension, so that the dispersion phase is uniform in dispersion. Therefore, the size of the liquid drops is basically determined by the channel width of the liquid drop generation structure, the branch splitting channel is designed to be wide, the influence of manufacturing errors on the uniformity of the generated liquid drops can be reduced, the branch splitting channel is designed to be a plurality of serpentine channels, and the uniformity of the liquid drops is improved while high-flux liquid drop preparation is guaranteed; and then the liquid drops flow through the main channel unit and are converged into the main splitting channel, and the liquid drops are uniformly split into liquid drops with smaller sizes through the liquid drop splitting structure, so that the preparation of the liquid drops with high flux and uniform sizes is realized.

The invention discloses a preparation method of a microfluidic phase change cooling liquid, and belongs to the technical field of advanced thermal management material preparation. According to the method, a specific microfluidic flow and functional fluid are designed, and a molten phase-change material fluid, a shell fluid containing curable resin and a heat-conducting filler and a cooling base fluid insoluble in a shell are pumped into a microfluidic chip respectively. In a chip flow channel, under the action of hydrodynamic force and interfacial tension, shell layer fluid wraps phase change material fluid in situ, and monodisperse core-shell liquid drops are formed and dispersed in base fluid. And then guiding the liquid drops to pass through a curing area, so that the shell layer is cured in the flowing process, and a suspension system with the phase change microcapsules dispersed in the base solution is directly obtained. According to the invention, accurate control of the size of the phase change microcapsule and the thickness of the shell layer is realized, and the preparation method of the phase change cooling liquid which is continuous, efficient and controllable in structure is provided.

The invention belongs to the technical field of microfluidics, and particularly relates to an integrated liquid drop micro-fluidic chip based on 3D printing and a liquid drop preparation method. Comprising a continuous phase channel unit and a dispersed phase channel unit, the continuous phase channel unit comprises a main channel unit, and a plurality of main split channels are communicated in the circumferential direction around an outlet of the main channel unit; the dispersed phase channel unit comprises a branch channel unit, a plurality of branch splitting channels are circumferentially communicated around an outlet of the branch channel unit, a droplet control structure is arranged at the communication part of the main splitting channel and the outlet of the branch splitting channel, and a droplet generation channel is arranged at the communication part of the outlet of the branch splitting channel and the outlet of the main splitting channel; an outlet of each liquid drop generation channel is communicated with a collection opening; the multiple collection openings communicate with the amplification section structure, and an outlet of the amplification section structure communicates with a total collection opening. The three-dimensional space is fully utilized, high-flux and uniform preparation of the liquid drops can be achieved, and the method is suitable for large-scale production of the liquid drops.

The meat hanging carriage of the refrigerator car comprises a carriage body, a top cover is installed at the top end of the carriage body, a plurality of sets of supporting blocks are parallel to a supporting frame, a supporting plate is fixedly installed at the top ends of the supporting blocks and the supporting frame, a plurality of sets of annular grooves are formed in the outer surface of the supporting plate, and the annular grooves are communicated with the top cover. The annular groove in the outer surface of the supporting plate is ingenious in design, and liquid generated by meat is effectively guided to flow. When liquid drips into the annular groove, the liquid can smoothly penetrate through the supporting plates along the track of the groove and flows to the liquid storage shell through the slope-shaped flow guide channels between the supporting blocks. According to the design, the gravity effect is fully utilized, it is ensured that liquid can be rapidly and effectively collected, it is effectively avoided that the liquid is retained or diffused in the compartment, and the compartment is kept clean and dry.

The present invention discloses a bionic regulation method for a number of bounces of a droplet on a metal surface based on acoustic in-situ monitoring, which comprises the following steps: obtaining dynamic contact characteristics and acoustic properties of a solid-liquid interface of metal superhydrophobic surfaces with different surface information in the droplet bounce process based on an optical-acoustic synchronous in-situ testing system for droplet bounces; and obtaining a correlation among the metal superhydrophobic surface, the acoustic response and the droplet bounce behavior based on the dynamic contact characteristics and the acoustic properties of the solid-liquid interface, and machining and modifying a micro-nano structure of the metal surface by combining a coupled bionic concept according to the correlation. A scientific basis and a novel design method are provided for the bionic regulation of the number of droplet bounces over the metal surface.

The invention relates to the technical field of puncture instruments, in particular to a pressing perforation liquid dropping permeation device and method. The device comprises a shell, a seal and a blocking piece, and a liquid storage cavity is formed in the shell; the seal is movably sleeved with the shell from the opening of the shell, a sealing piece is arranged between the seal and the inner wall of the shell, a pressed face is arranged at one end of the seal and extends out of the shell, and a plurality of microneedles are arranged on the pressed face; a first elastic piece is arranged between the seal and the shell, a transition cavity is formed in the seal, and the seal is provided with a liquid inlet and a liquid outlet; the blocking piece is movably arranged in the transition cavity, a second elastic piece is arranged between the blocking piece and the transition cavity, and the second elastic piece applies elastic force to the blocking piece to enable the blocking piece to seal the liquid inlet. According to the device, linkage design is adopted, perforation liquid dropping and permeation can be completed only through pressing and lifting actions in use operation, and the practical operation convenience is high. In addition, after the micropores are formed through puncturing, the micropores are immediately covered with liquid, permeation is carried out before the micropores are closed, and the permeation efficiency is improved.

The invention provides a method and device for reducing coating defects of a disc-type ceramic membrane, and the method comprises the following steps: positively mounting a clamp on a spraying station, enabling the ceramic membrane to dynamically rotate, and cleaning and activating the front surface of the ceramic membrane by adopting a low-temperature plasma technology; carrying out negative pressure suction on the ceramic membrane while the ceramic membrane is dynamically rotated, and spraying a membrane preparation liquid on the front surface of the ceramic membrane by adopting ultrasonic atomization; and dynamically rotating the ceramic membrane, and performing negative pressure suction on the ceramic membrane, so that the circular arc part of the ceramic membrane is dynamically dip-coated in the membrane preparation liquid. According to the method, dynamic rotation of the ceramic membrane, negative pressure and ultrasonic spraying are cooperated, ultrasonic atomized liquid drops are sucked into a micropore structure or surface gaps when making contact with the surface of the ceramic membrane, pinholes or defects of the membrane layer are avoided, and the uniform, dense and defect-free membrane layer is formed; and non-contact with the ceramic membrane can be realized, and the coating defect caused by improper contact before the membrane layer is dried is effectively prevented.

The utility model relates to the technical field of microfluidics, and discloses a microfluidics device. A microfluidic main body of the microfluidic device is provided with a first liquid flow channel and a second liquid flow channel, the first liquid flow channel comprises a first liquid injection port, a mixing communication port and a first pressure equalizing port which are communicated in sequence, and the second liquid flow channel comprises a second liquid injection port, a fusion cavity, a reaction cavity and a second pressure equalizing port which are communicated in sequence; the control unit comprises a micro-flow pump, a flow meter, a liquid drop generator and a temperature control chip which are in communication connection, the micro-flow pump and the flow meter are both arranged between the second liquid injection opening and the fusion cavity and used for pumping a preset amount of second solution to the fusion cavity, and the liquid drop generator is arranged at the cavity bottom of the reaction cavity and communicated with the mixing communication opening; the dispersing device is used for dispersing a first solution to be mixed with a second solution in the fusion cavity to form a mixed solution; the temperature control chip is arranged in the reaction cavity and used for providing a preset temperature for the mixed solution in the reaction cavity. The micro-fluidic device disclosed by the utility model is higher in integration level and has more functions at the same time.

The invention relates to the technical field of solid-liquid interfaces and liquid drop movement and control, in particular to a method and device for achieving left-right controllable spontaneous rotation of liquid drops based on light induction, and the method comprises the following steps that acid liquid drops containing photoacid are dropwise added to the surface of liquid metal; a light source system is adopted to irradiate liquid drops on one side of the liquid drops, the liquid drops are induced to locally release non-uniform H < + > ions, and interface chemistry is initiated to generate gradient change distribution; the light intensity generated by the light source system promotes the formation of asymmetric tension distribution on the liquid drop and liquid metal interface, and drives the liquid drop to rotate along a preset direction; and by changing the irradiation position, the liquid drops can be switched between left rotation and right rotation. According to the present invention, by using the mechanism of combining the interface Marangoni effect and the light-induced acidity regulation and control, the stable and rapid spinning behavior of the liquid drop can be represented by adjusting the position, the irradiation time and the irradiation intensity of the illumination region, and the rotation direction can be reversibly switched between the left rotation and the right rotation.

The invention provides a numerical method for immiscible solution drop swallowing behavior in limited shear flow, and relates to the technical field of immiscible solution drop swallowing behavior, a simulation task based on a phase field model and a Navier-Stokes equation is established, a computational domain is discretized through a finite element method, a physical field is initialized, and in each time step, the physical field of the immiscible solution drop swallowing behavior in limited shear flow is calculated. Updated velocity field and phase field data are obtained through coupling solution, the interface curvature change rate and the flow field vorticity intensity are comprehensively calculated, a global index representing the dynamic intensity of the system is generated, the index is compared with a preset threshold value, and the dynamic intensity of the system is calculated. When the index is higher than a threshold value, a smaller step length and a higher grid resolution are adopted, otherwise, a larger step length and a lower resolution are adopted, finally, solver configuration is automatically reconstructed according to the selected parameters, solving is continued under a new adjusting strategy, a self-adaptive numerical simulation cycle is formed, and a new time step is obtained. And completing simulation and outputting complete field data of the liquid drop swallowing process.

The invention relates to the technical field of fertilizer manufacturing, and discloses a high-efficiency fertilizer coating machine which comprises a base and further comprises a fixed cylinder connected to the left side of the top of the base, a fixed plate connected to the right side of the top of the base, two ends of a roller are rotationally connected with the fixed cylinder and the fixed plate respectively, and a coating mechanism is arranged on the roller. The impurity removing mechanism is arranged on the left side of the roller and used for removing impurities of the fertilizer entering the roller, and the screening mechanism is arranged on the right side of the roller. Through the synergistic effect of the electrostatic assembly and the atomizing spray pipe, coating agent fog drops are negatively charged, fertilizer particles are positively charged after being rubbed by a friction block, and dust particles are adsorbed by utilizing Coulomb force, so that dust dissipation is reduced, and the health of operators is guaranteed; coulomb force is utilized to break through the limitation of mechanical turning, so that coated liquid drops are directionally adsorbed to the surfaces of particles, and the coating effect of the fertilizer is improved.

The invention discloses a crystallization device for sodium sarcosinate production, relates to the technical field of crystallization devices, and aims to solve the problems that when supersaturated liquid drops make contact with the wall surface of a low-temperature gas-liquid separator, water evaporation is intensified, the solubility of solute is further reduced due to temperature reduction, crystal precipitation is accelerated under the dual action, the supersaturated liquid drops are prone to being attached to the wall of a tank in the crystallization process, and the crystallization effect is poor. In order to solve the problems that the heat exchange efficiency is influenced by scaling of a tank wall, wall-adhered crystals cannot be recycled and the yield is reduced in the prior art, an evaporator is mounted on one side of a gas-liquid separator, a cyclone separator is mounted on the other side of the gas-liquid separator, an ultrasonic disperser is mounted on one side of the cyclone separator, a membrane filter is mounted on one side of the ultrasonic disperser, and a water outlet is formed in the other side of the membrane filter. A gas-liquid separator cleaning mechanism is mounted in the gas-liquid separator, a gas-liquid separator scraping frame is mounted at one end of the gas-liquid separator cleaning mechanism, and a membrane filter cleaning mechanism is mounted in the membrane filter.

The invention discloses an oil and gas exploitation associated gas intelligent recovery device, and relates to the field of oil exploitation, the oil and gas exploitation associated gas intelligent recovery device comprises a tank body used for providing a separation space, a separation pipe used for conveying separated gas and a baffle used for breaking descending liquid drops are rotatably arranged in the tank body, and a connecting rod is arranged between the separation pipe and the baffle; and the power assembly is used for driving the separation pipe and the baffle to rotate synchronously. According to the intelligent recovery device for the oil and gas exploitation associated gas, in the gas-liquid separation process of the associated gas, the power assembly drives the separation pipe and the baffle to rotate synchronously, and therefore the beneficial effects that firstly, the action positions of the separation pipe and the baffle can be continuously replaced, local abrasion of the separation pipe can be avoided as much as possible, and the recovery efficiency of the associated gas is improved; and secondly, in the rotating process of the connecting rod, the connecting rod can collide with falling liquid drops, so that the gas-liquid separation effect can be improved.

The invention discloses a bimetallic composite material preparation method and system based on metal droplet size regulation and control, and belongs to the technical field of centrifugal casting. According to the method, aiming at a bimetal system with a liquid-liquid mixing and dissolving gap, an alloy melt is smelted according to a preset proportion, and then precise control over the size of second metal phase liquid drops is achieved in a casting ladle by regulating and controlling the standing time in combination with a high-temperature and high-speed camera shooting system. Then relevant casting parameters are input into an autonomously derived liquid drop movement speed and trajectory prediction model, the liquid drop position is predicted, and finally the centrifugal rotating speed or the heating power is adjusted through feedback control according to the deviation between a prediction result and a preset trajectory, so that directional preparation of different structures of the bimetal composite material is achieved. The corresponding system comprises a monitoring module, a calculation module and an execution module which cooperatively complete parameter monitoring, calculation analysis and precise regulation and control in the material preparation process. The casting inclusion defect can be reduced, the product quality instability is reduced, and directional preparation of different structures of the bimetal composite material is achieved.

This disclosure provides for devices, methods, and systems for generating a plurality of droplets within a collecting container at an extremely high rate (e.g., of at least 1 million droplets per minute, etc.), each of the plurality of droplets comprising an aqueous mixture for a digital analysis, wherein upon generation, the plurality of droplets is stabilized in position within a region of the collecting container. The inventions enable partitioning of samples for digital analyses at unprecedented rates, where readout of signals from targets within such partitions can still be achieved in accordance with various assays.