189 results about "Micro bubble" patented technology

A method of priming an interventional device assembly includes providing the interventional device assembly, the interventional device assembly including a first interventional device and a second interventional device, the second interventional device being positioned within the first interventional device. The method further includes reciprocally moving at least one of the first interventional device and the second interventional device relative to the other of the first interventional device and the second interventional device while flushing a lumen between the first interventional device and the second interventional device with fluid to remove microbubbles from the lumen.

The invention relates to the technical field of metal die-casting forming, and discloses a vacuum die-casting method for a high-reliability aluminum alloy motor end cover, which comprises the following steps: carrying out acoustic levitation purification treatment on an aluminum alloy melt; detecting the acoustic purity of the purified melt on line by adopting an acoustic characteristic sensing device; feeding the melt into a mold cavity for vacuum die-casting filling; and according to the detection result of the acoustic purity, an electromagnetic coil preset at the hot spot area of the mold is controlled in a feedforward mode, and magnetic field induction partition solidification of the hot spot area is achieved. According to the method, through the synergistic effect of melt purification and solidification control, micro bubbles and inclusions in the melt are removed through acoustic levitation purification firstly, then accurate magnetic field induction partition solidification is conducted on a hot spot area through feedforward control based on melt quality real-time data, formation of microscopic and macroscopic defects is effectively inhibited, and the quality of the melt is improved. The manufactured motor end cover is high in internal density and good in mechanical property and air tightness, and the product reliability is remarkably improved.

The invention belongs to the technical field of generator set monitoring, and particularly relates to a pumped storage generator set safety state monitoring and diagnosing method and system. Temperature data of cooling system fluid are collected in real time, the local temperature abnormal rising phenomenon is accurately detected, and the bubble accumulation possibility is calculated; evaluating whether the stator cooling efficiency is reduced and analyzing specific reasons; on the basis of the analysis results, operation parameters of the cooling system are adjusted to reduce bubble accumulation, the working state of the adjusted system is continuously monitored, whether the local overheating risk is reduced or not is judged, and finally the safety monitoring strategy of the generator set is optimized; by means of the series of steps, the detection and evaluation capacity for accumulation and influences of the micro bubbles in the cooling system is remarkably improved, the safety and reliability of the generator set are effectively improved, the service life of equipment is prolonged, and the maintenance cost is reduced.

The invention relates to the technical field of flotation devices, in particular to a graphite black powder microbubble flotation device which comprises a flotation column, a material collecting cover is installed at the top of the flotation column, the bottom of the material collecting cover is located below an opening in the top of the flotation column and is of a flat bottom structure, a discharging groove is formed between the inner wall of the material collecting cover and the outer wall of the flotation column, and one side of the bottom of the discharging groove communicates with a discharging pipe. According to the foam discharging device, the first rotating shaft can be driven to rotate through the driving assembly, so that the two first scrapers rotate in the opposite directions, foam collected in the discharging groove is pushed towards the discharging pipe, and the foam can rapidly flow to the discharging pipe and is discharged and collected; and then the first scraping plate ascends and rotates again to conduct next scraping operation, in the whole scraping process, the foam can be continuously scraped to the discharging pipe in a reciprocating mode, the discharging speed of the foam is increased, foam accumulation is avoided, and the situation that the foam flows to the position away from the discharging pipe in the rotating process is avoided.

The utility model discloses a battery piece cleaning device. The battery piece cleaning device comprises a cleaning tank; the preparation mechanism is used for preparing cleaning liquid, microbubbles exist in the cleaning liquid, and a battery piece is arranged in the cleaning tank in a working state; the recycling mechanism is used for collecting the cleaning liquid overflowing from the cleaning tank; the treatment mechanism is connected with the recovery mechanism, the treatment mechanism at least comprises a detection assembly, a backflow assembly, a waste liquid assembly and a liquid preparation assembly, the detection assembly is used for detecting the cleaning liquid collected by the recovery mechanism, and the backflow assembly is used for conveying the cleaning liquid in the detection assembly into the preparation mechanism; the waste liquid assembly is used for conveying the cleaning liquid in the detection assembly into the waste liquid tank, and the liquid preparation assembly is used for preparing the cleaning liquid in the detection assembly. Residual impurities on the surface of the battery piece and in the grid line groove are stripped by using the microbubbles, and the cleaning liquid is recycled and classified, so that the cleaning liquid in the cleaning groove always has certain cleaning power, and the recycling rate of the cleaning liquid is improved.

The invention relates to a microbubble generating assembly and device. The microbubble generating assembly comprises a first connecting body and a second connecting body, an injector connector is arranged at one end of the first connector, a first connecting section connected with the second connector is arranged at the other end of the first connector, and the first connecting section is composed of a first straight section and a first contraction section; the second connecting body comprises a second connecting section and a Venturi tube, and a gap cavity is formed between the first contraction section and a third contraction section of the Venturi tube; a plurality of air inlet channels connected with the gap cavity are formed in the side wall of the second connecting section; an independent fluid and gas mixing structure is adopted, acceleration is carried out according to the Bernoulli principle, the static pressure of fluid is reduced, and in cooperation with a gap cavity between the first contraction section and the Venturi tube, more gas in the gap cavity is brought into liquid when the accelerated liquid enters a fluid channel of the second connector, so that the gas in the gas channel is reduced; and through the Venturi tube structure, bubbles in the liquid can be sheared, so that the volume of the bubbles is reduced, and the number of the bubbles is increased.

The invention discloses a one-kiln two-line production process for energy-saving glass, and relates to the technical field of energy-saving glass plate production. A shunting pressure stabilizing chamber, a central partition wall and an electromagnetic-platinum combined stirring device are arranged at the tail end of a melting furnace, and are matched with prolonging of clarification residence time and a microbubble bubbling device, so that a highly uniform temperature field and component distribution can be obtained before molten glass enters a feeding channel, and bubbles and inclusions are fully eliminated. By means of the collaborative measure, the melt cleanliness is remarkably improved, optical defects such as stripes, stones and white points in the subsequent forming process are greatly reduced, and the appearance and the physical strength of a finished product are more reliable. By means of the Y-shaped double feeding channels and the independent temperature control tin bath, ultra-thin glass and medium-thickness glass can be produced at the same time in the same melting furnace and do not interfere with each other. The main line focuses on the flatness and the optical quality of the energy-saving glass of the building curtain wall, and the branch line focuses on the thickness control and the surface smoothness of the ultrathin energy-saving glass.

To provide a technology capable of discharging purified water containing micro-bubbles without performing construction work on a raw water supply part.SOLUTION: A water purifier 1 comprises a main body 100, a filter material part 200, and a micro-bubble generating part 300. The main body 100 has an inflow entrance 101 for raw water FL1, a water discharge port 102 for discharging at least purified water FL2, and a flow path 103 connecting the inflow entrance 101 to the water discharge port 102. The filter material part 200 is detachably provided in the flow path 103 and is a portion where the raw water FL1 flows in and the purified water FL2 flows out. The micro-bubble generating part 300 is detachably provided in the flow path 103 and is capable of mixing micro-bubbles MB into the purified water FL2 discharged from the water discharge port 102. Additionally, the micro-bubble generating part 300 may be provided in an outflow path 70 where the purified water FL2 flowing out from the filter material part 200 flows to the water discharge port 102 in the flow path 103.SELECTED DRAWING: Figure 9

The invention belongs to the technical field of packer detection, and relates to a method for detecting the airtight sealing performance of a packer, and a device for detecting the airtight sealing performance of the packer comprises a pipeline unit, a bubble measuring unit, a leakage rate measuring unit, an air pressure detecting unit, a to-be-detected unit and a controller. Performing double-signal cross validation according to the obtained visual data and infrared data to obtain a bubble recognition result, and if the bubble recognition result meets a grade judgment condition, judging that the to-be-detected piece is at a V0 grade; and if the bubble identification result does not meet the grade judgment condition, executing a leakage rate measurement step. In the first aspect, during bubble detection, through double-signal cooperative cross validation of visual form verification and infrared signal positioning and targeted recognition of tiny bubbles through an enhanced linkage mode, the accuracy of effective bubble recognition is improved. On the second aspect, the volume of the measuring cylinder is coarsely adjusted and finely adjusted through cooperation of the macroscopic adjusting and controlling assembly and the microcosmic adjusting and controlling assembly, and the accuracy of calculating the gas leakage rate is improved.

The invention discloses a novel micro bubble generating mechanism, and relates to the technical field of wine treatment, the novel micro bubble generating mechanism comprises a micro bubble generator body, a water molecule bubble generator, a high-speed rotating blade, an air pressure conversion mechanism and a high-grade stainless steel high-density gauze, one end of the micro bubble generator body is provided with an inlet, and from one end to the other end of the micro bubble generator body itself there is provided with in sequence the water molecule bubble generator, the air pressure conversion mechanism and the high-grade stainless steel high-density gauze. Through the arrangement of the micro bubble generating mechanism, a traditional decanting mode is broken.

The utility model relates to the technical field of magnetic filters, in particular to a multifunctional magnetic filter, which is characterized in that a plurality of rib plates are fixedly arranged in the side wall of a lower barrel, L-shaped grooves are formed in the rib plates, a lower fixing seat and an upper fixing seat are placed in the L-shaped grooves, the upper end of the lower fixing seat and the lower end of the upper fixing seat are step-shaped, and the lower end of the lower fixing seat and the lower end of the upper fixing seat are connected with the rib plates. An inner filter screen and an outer filter screen are arranged between the lower fixing seat and the upper fixing seat, and the inner filter screen and the outer filter screen are positioned in the step-shaped interiors of the lower fixing seat and the upper fixing seat; the upper end of the upper cylinder body is in threaded connection with a magnetic rod assembly, and a first protective sleeve is fixedly connected into the upper fixing seat; the meshes of the outer filter screen are small, small impurities are filtered, meanwhile, the meshes of the inner filter screen and the outer filter screen are different in size, microbubbles dissolved in water can be broken and removed to the maximum extent, and all impurities are discharged by opening the blow-down valve after the magnetic bar assembly is pulled out. Of course, the inner and outer filter screens can be taken out and cleaned from the outside.

The present invention relates to a micro-bubble nozzle and a washing device having the micro-bubble nozzle. The micro-bubble nozzle comprises an integrated nozzle and a bubbler, wherein at least one first-stage diameter-reducing conical portion is provided along the water flow direction in the integrated nozzle, a main spray hole is formed on the top of the most downstream first-stage diameter-reducing conical portion of the at least one first-stage diameter-reducing conical portion, and a plurality of auxiliary spray holes are provided around the main spray hole on the most downstream first-stage diameter-reducing conical portion; at least one air inlet hole is provided on the tube wall of the integrated nozzle, and at least one air inlet hole is positioned close to the main spray hole and the auxiliary spray hole, so that air is sucked into the integrated nozzle through at least one air inlet hole under the negative pressure caused by the expansion and spraying of water from the main spray hole and the auxiliary spray hole and mixed with the water flow to generate bubble water; and the bubbler is fixed on the outlet end of the integrated nozzle and is configured to form micro-bubble water when the bubble water flows through it. The micro-bubble nozzle has good micro-bubble generation performance and low manufacturing cost.

The invention provides an organoid robot control method and system, a computer program product and a readable medium, relates to the field of organoid micro-robot driving, and aims to solve the problems of rapidness and flexibility of a flexible continuum organoid robot in motion form control. Magnetic particles and micro bubbles are used as a head end executor and a tail end executor respectively; monitoring current pose data of the organ-like robot and obstacle boundary data in real time; obstacle avoidance and path planning are carried out according to the set target position, the current pose data and the obstacle boundary data, a magnetic signal and an ultrasonic signal with multiple superposed magnetic fields are generated, and the magnetic signal and the ultrasonic signal control the poses of the head end actuator and the tail end actuator respectively. Therefore, the organ-like robot is controlled to move to the target position. The method is mainly used for driving and controlling the organ-like robot.

A device, system and process involve conducting electroporation of microvesicles or exosomes or other target structures in a microfluidic arrangement at pressures that exceed atmospheric pressure. Single as well as multiple flow configurations can be employed. In some cases, the system and its operation are computer-controlled for partial or complete automation.

The invention relates to the technical field of medical instruments, and discloses an injection type microbubble generator which comprises a microbubble generator body and an injector, the microbubble generator body comprises a shell located in the microbubble generator body and fixedly installed, and the two ends of the shell are provided with an input end and an output end respectively; and a porous membrane is fixedly installed in the shell and close to the input end, a vortex cavity is formed in the shell and located on the right side of the porous membrane, and a micro screen is installed in the shell and located on the right side of the vortex cavity in a clamped mode. According to the injection type microbubble generator and the microbubble generation method thereof, liquid is preliminarily sheared and dispersed through a pretreatment structure of a cross-shaped shearing frame and a porous ceramic core of an injector push rod, and a four-stage treatment structure of porous membrane dispersion, vortex cavity shearing, micro-screen refining and Venturi synergistic (connecting assembly) in the microbubble generator is combined, so that the microbubble generation efficiency is improved. The size difference of the microbubbles can be effectively reduced, and the uniformity of the microbubbles is improved.

The radome bonding tool comprises a chassis base internally provided with a containing cavity, a telescopic arm extending in the vertical direction is slidably connected to the position, on one side of the containing cavity, of the chassis base, a pressing roller assembly is rotationally assembled at the top end of the telescopic arm, and one end of the pressing roller assembly extends in the horizontal direction; the compression roller assembly is arranged on the antenna main body and is rotationally connected with the gear roller assembly through an elastic connecting piece, the compression roller assembly is configured to compress a glue film on the antenna main body, the gear roller assembly is configured to imprint the compressed glue film to form corrugated lines, the compression roller assembly is hollow, and a plurality of steel balls are arranged in the compression roller assembly. And the plurality of steel balls are configured to jump up and down along with the rotation of the compression roller assembly so as to assist the adhesive film in discharging bubbles generated during surface mounting while compacting the adhesive film. The arc-shaped protrusions are arranged in the compression roller assembly, the rotary motion of the compression roller is converted into micro-vibration generated by irregular collision of the steel balls, and therefore the surface tension of bubbles is damaged through vibration, and the micro-bubbles are actively discharged.

The invention provides a cell reaction bag with a double-gas-path ventilation device, the cell reaction bag comprises a reaction bag body, a ventilation device and a stirring device, the ventilation device comprises a ventilation disc, the ventilation disc is provided with a first hole group and a second hole group, and the ventilation disc is internally provided with a first channel and a second channel which are respectively communicated with the first hole group and the second hole group; the bottom of the ventilation disc is provided with a first air inlet and a second air inlet which are communicated with the first channel and the second channel respectively. According to the ventilation device disclosed by the invention, two groups of holes with different sizes and corresponding channels are arranged, so that double-gas-path ventilation is formed, different gases can be respectively introduced, large bubbles are generated on the outer side of the ventilation disc, and micro bubbles are generated on the inner side of the ventilation disc; the gas dissolving efficiency is improved, uniform gas distribution is ensured, and uniform growth of cells is facilitated; different requirements on gases such as oxygen and carbon dioxide in the cell culture process can be accurately controlled, and a more suitable gas environment is provided for cell growth.

The present invention provides an AutoCell Platform (ACP), an advanced, fully automated, functionally closed system designed to revolutionize the manufacturing of genetically modified cell therapies. This innovative platform integrates automation, closed-loop processing, and novel technologies to address the inefficiencies and high costs of traditional methods. Key features include automated centrifugal seeding for enhanced genetic modification efficiency, microbubble-assisted cell selection for precise cell isolation, and a modular design for scalable amplification across clinical and research environments. By reducing production timelines from 30-40 days to less than 3 days and orders of magnitude in cost, the ACP enables instant manufacturing, decentralization, and broader accessibility. Advanced quality control measures and standardized design ensure compliance and consistent therapeutic outcomes. The ACP supports a variety of applications from CAR-T therapies to regenerative medicine, representing a transformative leap in global accessibility of precision medicine and life-saving cell therapies.

The invention discloses a construction and analysis method and a simulation system of a dynamic model of bubbles in a liquid cavity in a viscoelastic tissue, and a numerical simulation system for performing a cavitation effect in high-intensity focused ultrasound therapy based on the model, and the method comprises the following steps: firstly, establishing a modified microbubble dynamic model based on a Keller-Miksis equation; microbubbles are placed in a liquid cavity wrapped by viscoelastic tissue, the constraint relation of the radius of the liquid cavity to the radius of the bubbles is introduced, and the viscoelastic stress-strain relation of the tissue is described by adopting a Voigt model, so that a cavitation kinetic model closer to the actual biological tissue is constructed. Secondly, the sound pressure waveform of the focus area is obtained through HIFU sound field simulation; and finally, taking the simulated sound pressure as a drive input kinetic model, and solving to obtain a microbubble oscillation behavior, tissue internal stress distribution and maximum compression stress. The system comprises a model building module, a sound field simulation module and a dynamics simulation module. According to the method, the cavitation dynamic process in the tissue under the action of the HIFU can be more accurately simulated, and an effective numerical analysis tool is provided for analyzing the tissue damage related to cavitation.

The utility model belongs to the technical field of mechanical stirring flotation machines, and discloses a high-speed microbubble stirring impeller for a mechanical stirring flotation machine, which comprises a spindle seat hub. The impeller air pipes extend out of the main shaft seat hub in the circumferential direction; the tail wing is arranged on one side of the impeller air pipe; and the stirring blades are fixedly connected to the tail ends of the top and the bottom of the impeller air pipe, an air inlet is formed in the spindle seat hub, and the air inlet is communicated with the interior of the impeller air pipe. According to the utility model, the miniaturization of the impeller is realized, the mass and the volume of the impeller are reduced, and the energy conservation and consumption reduction of the mechanical stirring flotation machine are realized; the impeller air pipe is arranged on the impeller and rotates at a high speed along with the impeller, micron-sized aeration bubbles can be exploded, and the flotation efficiency and the flotation effect are greatly improved.

The present invention relates to a fluidized flotation device and flotation method for wide-size particles, belonging to the field of mineral sorting technology, and solving the problems in the prior art of fluidized flotation that the applicable sorting size is too narrow and the recovery efficiency of all-size particles is too low. The present invention comprises a hydrocyclone, a microbubble generator, a fluid distributor and a flotation column, wherein the hydrocyclone and the microbubble generator are both located on the outside of the flotation column, the fluid distributor is located at the bottom of the flotation column, the microbubble generator is connected to the fluid distributor, the bottom flow port of the hydrocyclone is connected to the feed port of the flotation column, and the overflow port of the hydrocyclone is connected to the feed port of the microbubble generator. The present invention constructs a high-turbulence environment suitable for fine-particle mineralization and a low-turbulence dissipation flow field suitable for coarse-particle recovery in one device, and performs point-feeding on the corresponding size materials, thereby achieving efficient sorting of wide-size materials in all sizes.

The invention relates to a microbubble generator, an injector, an injection needle, a microbubble generation assembly and an auxiliary device for foaming experiment operation, the front part of the injector is hermetically connected with the near end of a mounting shell, and the output end of the injector is connected with a fluid inlet of the microbubble generation assembly; through the arrangement of the fixing frame and the power device, the situation that the contrast agent pushing and injecting speed of an operator is low or the pushing and injecting times are different is greatly reduced, the more effective detection effect is achieved, and meanwhile through the unique microbubble mixer, the situation that the operator conducts detection through a manual oscillation method is avoided; and the microbubble generating assembly is arranged in the microbubble generator, so that the mixing amount of gas in unit liquid can be increased, the volume of the mixed gas is smaller, the quantity of the mixed gas is larger, and a surfactant is dissolved in the liquid, so that a large amount of mixed microbubbles are more stable, and an ideal diagnosis effect can be achieved by utilizing the contrast agent to contrast.

The invention provides a gas-liquid separation device based on stepped bubble breaking. The gas-liquid separation device comprises an outer cavity and a rotating mechanism, the outer cavity comprises an inlet cavity and a liquid bearing cavity; a separation cavity, a bubble breaking element and a transmission shaft are sequentially and coaxially arranged in the liquid bearing cavity from top to bottom, the transmission shaft is fixed below the bubble breaking element and is in transmission connection with the rotating mechanism, and the rotating mechanism drives the bubble breaking element and the separation cavity to rotate synchronously; the top end of the exhaust pipe extends out of the upper end surface of the inlet cavity and exhausts air outwards. According to the invention, a variable super-gravity field is provided, a centrifugal field is dynamically enhanced, bubble breaking and separation processes are coupled, strong breaking of large bubbles and micro bubbles is realized through shear flow-turbulent flow driving, deep separation of membrane liquid drops is enhanced by using a gas-liquid density difference effect, and a high-precision bubble breaking effect is realized.

1. The name of the design product: negative pressure micro-bubble cleaning machine. 2. The use of the design product: cleaning machine for pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The present disclosure provides a method for producing an electrolyte solution which can contain a high concentration of micro bubbles, and a method for producing a micro bubble-containing solvent which can be used for preparing the electrolyte solution, by suppressing decrease in micro bubbles during filtration.

The utility model belongs to the technical field of ultra-micro bubble generator installation, and discloses an ultra-micro bubble generator installation structure which comprises a generator body, a control panel is fixedly arranged at the front end of the generator body, an air guide pipe is fixedly arranged at the rear end of the generator body, and the tail end of the air guide pipe further comprises a bubble assembly and an installation assembly. The bubble assembly comprises a bubble head fixedly connected with the air guide pipe, and a bubble outlet is fixedly formed in the other end of the bubble head. The installation assembly comprises a fixing ring fixedly connected with the air guide pipe, a bubble head structure at the tail end of the air guide pipe is installed in a guide frame through a telescopic connecting shaft and the guide frame structure in the installation assembly, and the bubble heads are controlled to be orderly installed at the easy edge position through movement of a sliding block. And the position of the bubble head in the inner part is controlled by stretching the telescopic connecting shaft, so that the position of the bubble head is limited, orderly installation is realized, and subsequent debugging of the bubble head by a worker is facilitated.

This invention belongs to the field of fiber optic sensing application technology, specifically relating to a high-sensitivity air microbubble strain sensor based on the vernier effect and its fabrication method. The sensor consists of a parallel microbubble sensing cavity Fabry-Perot interferometer and an air reference cavity Fabry-Perot interferometer. The microbubble sensing cavity Fabry-Perot interferometer is made by fusion splicing two single-mode optical fibers, with an ellipsoidal microbubble embedded at the center of its conical region. The air reference cavity Fabry-Perot interferometer is made by fusion splicing two single-mode optical fibers through a hollow capillary tube, with the two single-mode fiber segments forming an air cavity within the capillary tube. When the microbubble sensing cavity and the air reference cavity are connected in parallel, their signals overlap, resulting in an envelope modulation effect. Compared to using the microbubble sensing cavity alone, this significantly amplifies the sensitivity, improves the sensor's sensing performance, and achieves high-sensitivity air microbubble strain sensing.

The utility model relates to an auxiliary device for foaming experiment operation, a microbubble generator, an injector, an injection needle, a microbubble generating assembly and an auxiliary device for foaming experiment operation, the front part of the injector is hermetically connected with the near end of a mounting shell, and the output end of the injector is connected with a fluid inlet of the microbubble generating assembly; through the arrangement of the fixing frame and the power device, the situation that the contrast agent pushing and injecting speed of an operator is low or the pushing and injecting times are different is greatly reduced, the more effective detection effect is achieved, and meanwhile through the unique microbubble mixer, the situation that the operator conducts detection through a manual oscillation method is avoided; and the microbubble generating assembly is arranged in the microbubble generator, so that the mixing amount of gas in unit liquid can be increased, the volume of the mixed gas is smaller, the quantity of the mixed gas is larger, and a surfactant is dissolved in the liquid, so that a large amount of mixed microbubbles are more stable, and an ideal diagnosis effect can be achieved by utilizing the contrast agent to contrast.

This invention provides a technology that enables the generation of a larger number of microbubbles in a microbubble generating device. [Solution] The microbubble generating device comprises an inlet, an outlet, a first microbubble generation unit provided between the inlet and outlet, and a second microbubble generation unit provided between the first microbubble generation unit and the outlet. The first microbubble generation unit includes a venturi section having a narrowing channel whose diameter decreases as it moves from upstream to downstream, and an expanding channel whose diameter increases as it moves from upstream to downstream. The second microbubble generation unit includes a plurality of swirling flow generation units arranged in line along the downstream central axis direction of the second microbubble generation unit. Each of the plurality of swirling flow generation units includes a shaft portion extending in the downstream central axis direction, an outer periphery surrounding the shaft portion, and a plurality of blade portions provided between the shaft portion and the outer periphery, which generate a swirling flow that flows in a predetermined swirling direction relative to the shaft portion.