4467 results about "Gas bubble" patented technology

The invention provides a multi-source data fusion modeling method and system in an aeration process, and is applied to the field of intelligent aeration control in sewage treatment. The method comprises the steps that multi-source time sequence data such as dissolved oxygen, turbidity, flow, temperature, power and pool bottom pressure pulsation signals are collected, dissolved oxygen response lag is calculated through cross-correlation analysis with power change as the reference, time sequence alignment is carried out, and a dissolved oxygen reference interval is predicted by utilizing calibration data in combination with a physical constraint LSTM model; performing spectral analysis on the pressure pulsation signal to extract a gas-liquid coupling characteristic value, and generating a cooperative regulation instruction of the frequency of the blower and the rotating speed of the stirrer based on the information; by means of the scheme, control oscillation caused by lag of the dissolved oxygen sensor can be effectively overcome, online monitoring of bubble form distribution is achieved, the gas-liquid mass transfer efficiency is improved, invalid aeration is avoided, and system energy consumption is remarkably reduced on the premise that stable effluent quality is guaranteed.

The invention relates to the field of sealing detection, in particular to a high-pressure stop valve body sealing performance detection device which comprises a detection box body used for placing a valve body for observation and comprising a water tank, the water tank is arranged to be a U-shaped groove with an upward opening, and the bottom of the side of the water tank is fixedly connected with a mounting plate. An outer electric push rod is mounted at the top of the mounting plate; and the supporting assembly is arranged in the water tank, is used for bearing the valve body and comprises a cross beam, and limiting sliding rails are arranged on the two sides of the cross beam. Through cooperation of the first plugging assembly, the second plugging assembly and the supporting assembly, external bubble interference can be effectively avoided, two-way pressure detection is supported, and the detection accuracy and automation level are improved, so that the problems that in the prior art, in the detection process, non-leakage bubbles are generated, judgment of detection personnel is interfered, and the detection efficiency is improved are solved. And false detection or missing detection is caused. And due to limitation of one-way detection, the sealing performance of the valve body in a two-way pressure-bearing state is difficult to comprehensively evaluate.

The invention discloses forming equipment for ceramic guide rail production and a forming method thereof, and relates to the technical field of ceramic guide rail forming, the forming equipment comprises a conveyor, a forming processing box and a raw material box, and the top of the conveyor is provided with the forming processing box. The ultrasonic disperser arranged in the raw material box is combined with the constant-temperature heating sleeve and the viscosity sensor of the conveying pipe, uniform flowing and accurate metering injection of slurry are guaranteed, in the forming stage, the vacuum pump actively pumps out bubbles in a cavity through the micropore array, pores are further eliminated in cooperation with the high-frequency micro-vibration device, the compactness and surface smoothness of the guide rail are greatly improved, and the production efficiency is improved. The cooling runner realizes gradient cooling and curing through closed-loop control of a temperature sensor and a temperature regulator, ceramic cracking deformation is effectively inhibited, the rotary mold assembly supports multi-angle adjustment, nondestructive demolding of a complex structure is facilitated, the production period is shortened, the process stability, energy consumption control and equipment adaptation flexibility are further enhanced, and the production efficiency is improved. And the targets of high precision, low defect and batch production are achieved.

The invention relates to the technical field of industrial process control, and discloses an intelligent optimization control method of an alkaline water hydrogen production system, which comprises the following steps: a controller synchronously acquires real-time voltage, current and temperature data of an electrolytic bath; theoretical reversible voltage is calculated according to a Nernst equation, ohm voltage drop is eliminated, and a bubble additional impedance value representing the bubble coverage degree is analyzed; performing differential processing on the change rate of the bubble additional impedance value to generate a flow feed-forward control instruction, combining a feedback control instruction based on temperature deviation to synthesize a target rotating speed instruction, and driving an alkali liquor circulating pump to adjust the flow speed; according to the method, the bubble impedance observation model is constructed, so that zero-delay sensing and decoupling control over the state of bubbles in the electrolytic cell are achieved, hysteresis of single temperature feedback is eliminated, and the problems of actuator saturation and model aging drifting are solved.

The invention relates to the technical field of vapor-liquid two-phase cooling, and discloses a vapor-liquid two-phase cooling method and system based on phase change immersion. The method comprises the following steps: acquiring a multi-modal monitoring data set of a target cooling system; performing spatial gradient feature extraction, transient response analysis and motion mode analysis processing on the data to obtain a temperature field feature matrix, a thermal load fluctuation vector and a bubble dynamics feature sequence; performing multi-physical field coupling processing on the features to generate a fusion cooling state feature set; a pre-configured multi-phase flow simulation model is called to carry out cooling efficiency evaluation, and a cooling efficiency index set containing the correlation mapping relation between the working medium flow characteristics and the heat exchange efficiency is generated; performing collaborative anomaly traceability processing based on the mapping relationship, and generating a phase change anomaly traceability report for identifying an abnormal boiling region and a working medium flow defect mode; and generating a cooling parameter self-adaptive control strategy according to the traceability report, and sending the cooling parameter self-adaptive control strategy to a cooling control system to execute real-time parameter adjustment.

The invention relates to the technical field of bubble generation, and provides a micro-nano bubble stable generation method and a micro-nano bubble stable generation device.The method comprises the steps that a liquid-phase working medium flows through a Venturi tube, so that negative pressure is formed in the throat portion of the Venturi tube, a gas-phase working medium is sucked in, preliminary mixing is conducted, and a gas-liquid mixture is obtained; the gas-liquid mixture is tangentially guided into a rotary-cut type excitation cavity to drive a free rotating impeller in the rotary-cut type excitation cavity to rotate, and fine shearing is conducted on bubbles; the gas-liquid mixture obtained after fine shearing is guided into a diffusion and flow stabilization cavity for speed reduction and flow stabilization; the gas-liquid mixture subjected to flow stabilization flows through a nanocrystallization foam stabilizing unit, a plurality of parallel micro-channels are arranged in the nanocrystallization foam stabilizing unit, and the surface of the inner wall of each micro-channel is covered with a layer of nanofiber net-shaped structure; and carrying out final nanocrystallization and interface stabilization treatment on the gas-liquid mixture through a nanofiber net structure, and outputting stable micro-nano bubble liquid. The problems of poor stability, short service life and high energy consumption of the traditional technology are solved.

A vertical bubble machine, includes a housing, an air blowing component, a film forming component, a film scraping component, a pumping component and a liquid storage container; a mounting cavity is arranged in the housing, the film forming component is fixed in an opening of the mounting cavity, a plurality of bubbling holes are arranged on the film forming component, a liquid outlet is arranged on the film forming component, the film scraping component is rotatably assembled above the film forming component, the film scraping component is used for picking up bubble water from the liquid outlet and then sweeping past the plurality of the bubbling holes to form bubble films; the air blowing component is arranged in the mounting cavity and is located below the film forming component, an air outlet of the air blowing component faces to the film forming component.

The invention discloses an intelligent management method and system for a distributed liquid cooling energy storage system. The method comprises the following steps: identifying a sound wave reflection signal of which a sound wave reflection source type is a bubble; determining a bubble static gathering area based on the positions of the bubbles and the distance between the bubbles; calculating a fluid retention degree index in the bubble gathering area, and judging the fluid retention degree in the bubble gathering area; judging whether a local overheating risk exists in the bubble static gathering area with the serious fluid retention degree or not; predicting the temperature, bubble size and data of a bubble static aggregation area in a future preset time period, and determining a time point of a local overheating risk; and evaluating and optimizing the accuracy of the bubble size prediction model, the fluid retention degree index formula and the local overheating risk evaluation model. Through the technical method provided by the invention, the accuracy of bubble monitoring, the timeliness of overheating risk assessment and the optimization efficiency of the cooling effect in the liquid cooling energy storage system are remarkably improved, the service life of equipment is prolonged, and the maintenance cost is reduced.

The present invention relates to the technical field of steel metallurgy process simulation, and specifically relates to a simulation method for particle motion and interaction behavior within a continuous casting mold. The simulation method comprises the following steps: acquiring mold parameters and establishing a model; performing fluid domain volume extraction and structured mesh division on the model; importing the mesh model into simulation software and performing iterative solution; establishing injection points for argon bubbles and inclusions within the mold, compiling and calculating the flotation removal of argon bubbles and inclusions at a steel-slag interface, the capture thereof at a solidification front, and collision-aggregation, and performing coupled computation; and post-processing the simulation results to obtain the flow field, temperature field, solidified-shell distribution, and discrete-phase motion behavior within the mold at different time points. The method of the present invention enables analysis of the motion and interactions of discrete-phase particles such as argon bubbles and inclusions within the mold, thereby accurately predicting the distribution of the particles in the molten steel and the solidified shell.

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 discloses a cosmetic glass bottle surface polishing method and system, and the method comprises the steps: carrying out gradient mesh abrasive composite modification on a sand leather base material, and carrying out three-dimensional cutting according to the surface curve contour of a glass bottle through a laser cutting technology to form a composite sand leather polishing piece; the composite sand leather grinding piece is assembled at the executing end of a six-axis linkage mechanical arm, partition differentiated grinding is carried out according to the surface pollutant distribution density image recognition result, and a glass bottle rough blank obtained after preliminary grinding is obtained; performing synchronous purging on the surface of the glass bottle rough blank by adopting inert gas flow with a micro-bubble generation device, and controlling the composite sand leather polishing piece to perform micro-vibration at the same time, so as to obtain a glass bottle semi-finished blank; and the glass bottle semi-finished blank is placed in a sealed cavity to be sprayed, final polishing is carried out in cooperation with pulse type ultrasonic vibration, and a cosmetic glass bottle finished product is obtained. According to the embodiment of the invention, high-precision grinding of the curved surface of the glass bottle can be realized, and the surface cleanliness and the gloss uniformity are improved.

The invention discloses a quantitative recognition device for the number and size of bubbles at a rotating impeller of a multiphase pump. The quantitative recognition device comprises a two-phase flow experiment system, the multiphase pump, a high-speed camera, a light source and the like. The preprocessing and data analysis system and the deep learning system are arranged in the computer; the two-phase flow experiment system and the image acquisition system are electrically connected with the computer through lines. The invention further discloses a quantitative recognition method for the number and size of the bubbles at the rotating impeller of the multiphase pump. According to the method, the problems of low blistering recognition precision, low efficiency and large error caused by the existing manual measurement method are solved, and a reference method is provided for exploring the influence of gas distribution at the impeller in the multiphase pump on pump operation and optimizing design of the multiphase pump.

The invention relates to the technical field of stator assembly glue pouring, in particular to a motor stator assembly glue pouring device and a glue pouring process, the motor stator assembly glue pouring device comprises a glue pouring mold, a positioning shaft and a glue pouring ring, the glue pouring mold comprises a lower mold base, an upper mold base and a plurality of connecting pieces; an annular cavity is defined by the outer peripheral surface of the positioning shaft and the inner walls of the lower die holder and the upper die holder, and the annular cavity is communicated with an axial groove of the stator assembly to jointly form a closed glue pouring cavity; the vacuumizing assembly is used for vacuumizing the glue filling cavity; the section of the glue pouring ring is of a W-shaped structure, the highest point in the middle of the glue pouring ring is located over the winding, and the two lowest points correspond to the inner side and the outer side of the winding respectively; a plurality of liquid injection holes are formed in the corners of the two lowest points at intervals in the circumferential direction. Through the W-shaped structure of the glue filling ring, the glue liquid is synchronously filled from the inner side and the outer side of the winding and is matched with immersion type rising, the problems of bubbles and air holes in traditional glue filling are solved, the insulation and heat dissipation performance is guaranteed, and the operation reliability of the motor is improved.

A system includes a flow cell and a fluidics system under pressure causing sheath and sample biological fluids to flow. The fluidics system includes a gas bubble remover to remove and eliminate gas bubbles in the sheath fluid. The flow cell receives sheath fluid from the fluidics system, wherein the sample biological fluid flows with cells or particles through the flow cell to be surrounded by the sheath fluid. A deflection chamber under the flow cell receives drops of the sample biological fluid and sheath fluid out of the flow cell to selectively deflect one or more of the drops along one or more deflection paths. A droplet deposition unit system in communication with the deflection chamber receives the selectively deflected drops in the stream of the sample biological fluid with the one or more biological cells or particles into one or more containers.

The utility model relates to the field of gas-liquid mixing, and provides a bubble generator and an ozone aerator, the bubble generator comprises an inlet connecting end, an outlet connecting end and a throttler assembly, an inlet of the throttler assembly is detachably connected with the inlet connecting end, an outlet of the throttler assembly is detachably connected with the outlet connecting end, and the inlet connecting end is connected with the outlet connecting end. The throttler assembly comprises at least two sets of throttling holes and mixing chambers, and the throttling holes and the mixing chambers are alternately arranged in the direction from the inlet connecting end to the outlet connecting end. And the inner diameter of the throttling hole is continuously reduced. The utility model relates to a flow restrictor assembly, which is used for solving the defect of low inflation efficiency in the prior art, a gas-liquid mixed flow enters the flow restrictor assembly with a plurality of groups of throttling holes and a mixing chamber through an inlet connecting end, and the inner diameters of the plurality of groups of throttling holes are sequentially reduced to carry out multiple times of pressurization, gas dissolving, pressure reduction and gas release to obtain bubbles with smaller diameters, such as nano-scale bubbles. By arranging different groups of throttling holes and mixing chambers, the diameter of generated bubbles is adjusted, the adding efficiency of ozone and other gases is improved, and energy consumption is reduced.

The invention relates to the technical field of aerogel defoaming, in particular to an aerogel slurry vacuum defoaming and dispersing device which comprises a control assembly, a lifting mechanism, a vacuum heating assembly and a stirring assembly, integrates the functions of vacuum defoaming, high-speed dispersing and uniform mixing, and is widely applied to scientific research laboratories and industrial production scenes. A high-precision vacuum system is adopted, tiny bubbles in the material are effectively removed, and the transparency and uniformity of a finished product are remarkably improved; a stepless speed regulation stirring device is arranged, so that the dispersion requirements of materials with different viscosities are met; a totally-closed acrylic protective cover and a stainless steel cavity structure are adopted, so that the operation safety is ensured, and the cleaning is easy; the touch console adopts a PLC + touch screen design, supports accurate setting and real-time monitoring of key parameters such as vacuum degree, time, stirring speed and the like, and is convenient to operate and high in repeatability.

The utility model discloses a high-low pressure conversion structure of a composite elasticizer, which comprises a low-pressure header pipe, a high-pressure header pipe, a low-pressure drainage pipe, a high-pressure drainage pipe, a first air supply pipe and a second air supply pipe, a first filtering bubble bottle is arranged at the air inlet end of the first air supply pipe, and a second filtering bubble bottle is arranged at the air inlet end of the second air supply pipe. A low-pressure airflow adjusting device is arranged at the air outlet end of the low-pressure drainage pipe, and a high-pressure airflow adjusting device is arranged at the air outlet end of the high-pressure drainage pipe. Pressure gas output by the low-pressure drainage pipe and the high-pressure drainage pipe can be conveyed into any one of the first filtering bubble bottles or the second filtering bubble bottles through the low-pressure gas flow adjusting device and the high-pressure gas flow adjusting device respectively. The first air supply pipe and the second air supply pipe can simultaneously and independently supply air through the low-pressure air flow adjusting device and the high-pressure air flow adjusting device. The problem that two surfaces of one composite elasticizer cannot be simultaneously produced when different pressure varieties are processed can be solved, the cost is low, and the practicability is high.

The invention relates to the technical field of concrete bubble monitoring, in particular to an aluminum film system concrete bubble dynamic monitoring and regulating method which comprises the following steps: applying a high-frequency alternating current with a first preset parameter to an aluminum film system to induce eddy current in an aluminum film and enable the aluminum film to generate thermally induced acoustic vibration; meanwhile, an eddy current thermally induced acoustic response signal reflected by an internal interface of the concrete is obtained; based on the response signal, determining current bubble state information in the concrete, including amplitude attenuation characteristics based on the sound pressure signal, frequency spectrum characteristics based on the sound pressure signal and phase delay information; and based on the bubble state information, a regulation and control instruction of a second preset parameter is generated, the regulation and control instruction is executed to adjust the parameter of the high-frequency alternating current applied to the aluminum film system, and directional traction regulation and control are conducted on the bubbles in the concrete. According to the invention, by means of an eddy current thermally induced sound technology, dynamic distribution, including the number, the particle size, the motion trail and the like, of bubbles is captured in real time, and instantaneous changes in the pouring process can be accurately reflected.

The invention relates to the technical field of aluminum formwork construction, aims to solve the problems that in traditional aluminum formwork construction, grout leaks at formwork abutted seams, bubbles are formed on the surface of concrete, and the concrete forming quality is influenced, and provides a construction method for improving the aluminum formwork concrete forming quality, and the construction method comprises the following steps that S1, an aluminum formwork is deeply designed; s2, factory prefabrication; S3, on-site assembly; S4, concrete pouring; S5, aluminum mold dismantling; the aluminum formwork is optimally designed, the exhaust holes are formed in the formwork, the waterproof breathable film is installed, water vapor on the surface of concrete can be effectively removed, bubbles are prevented from being formed on the surface of the concrete, and the forming quality of the surface of the concrete is improved; the structure of the aluminum mold joint is optimized, a positioning groove is designed at the splicing part of the template, and an elastic sealing embedded strip is designed in the positioning groove, so that the problem of slurry leakage of the aluminum mold joint is effectively avoided; and the attached vibrator is combined with a water-vapor separation structure, so that the overall vibrating effect of concrete in the aluminum mold is improved, and the concrete forming quality is improved.

The invention relates to the technical field of power energy and ship resistance reduction, and discloses an internal combustion engine compressed air and electric supercharger ship bubble resistance reduction air supply control system which comprises an internal combustion engine set, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger, an electric supercharger and an electric supercharger, and the internal combustion engine set serves as a power source of the whole system and generates excessive compressed air by delaying the closing moment of an intake valve during conventional operation; the gas-liquid separator is arranged on one side of the internal combustion engine set and used for separating liquid impurities of the compressed air and discharging the liquid impurities regularly; the filter is arranged on the side, away from the internal combustion engine set, of the gas-liquid separator and used for further filtering the compressed air; the first gas storage tank is arranged on the side, away from the gas-liquid separator, of the filter. Compressed air of the internal combustion engine and exhaust gas of the internal combustion engine are used for replacing traditional independent air compression equipment, the effect of reducing the requirement for additional compression equipment is achieved, the problem that a traditional ship bubble drag reduction air supply system is high in energy consumption is solved, the energy utilization efficiency of ship operation is improved, and the overall energy consumption cost is reduced.

The invention provides a pipe body air leakage detection device which comprises a water tank, and a supporting frame is arranged on one side of the water tank. The detection unit is located on the right upper side of the water tank, the lifting unit comprises a clamping piece arranged on the supporting frame through a lifting assembly and an inflation assembly arranged at one end of the clamping piece, the two ends of the clamping piece are rotationally provided with a first sealing seat and a second sealing seat correspondingly, and the inflation assembly is rotationally arranged on the second sealing seat; the lifting assembly is used for driving the clamping piece to lift; the driving unit is arranged on the clamping piece, is in transmission connection with the first sealing seat and is used for driving the pipe body to rotate; the positioning unit is arranged on the support frame, is positioned between the first sealing seat and the second sealing seat and is used for placing a pipe body; the pipe body is arranged in the water tank through the detection unit in the device, the driving unit is matched to drive the pipe body to rotate, the peripheral face of the pipe body can make contact with water in all directions, bubbles can be continuously generated at the leakage position, and the positions of the bubbles can be clearly observed and recorded.

The invention belongs to insulation of superconducting power equipment, and particularly relates to a breakdown voltage prediction method for a liquid nitrogen, insulation barrier and bubble composite system. Comprising the following steps: acquiring electric field distribution characteristic parameters of the resistance type superconducting current limiter through simulation, and designing an equivalent electrode structure capable of reproducing electric field characteristics in a liquid nitrogen environment; establishing a first breakdown voltage prediction model taking the insulation barrier position parameters and the electrode spacing as variables; calculating the surface heat flux of the superconducting strip in the quench fault state; and introducing a bubble influence factor for correction to obtain a second breakdown voltage prediction model. A complex actual insulation system prediction problem is converted into an equivalent model problem which can be verified in a laboratory. And an accurate basis is provided for the insulation design of the resistance-type superconducting current limiter.

The invention discloses a flow velocity measurement system adopting bubble tracing, and the system comprises a circulation loop which is internally provided with a medium storage tank and a pump body; the air supply branch is connected into the circulation loop and provided with an air storage tank, and the air storage tank is used for supplying air to the circulation loop so that bubbles can be generated in the circulation loop; and the flow velocity measuring device is used for monitoring bubbles in the circulation loop. In conclusion, the flow velocity measurement device obtains the bubble motion information from the outside of the circulation loop, and a speed measurement device such as a sensor does not need to be inserted into the circulation loop, so that disturbance to a medium flow field in the circulation loop is avoided, the measurement is more real and reliable, and the accuracy is higher.

The invention discloses an intelligent control system and method for pre-plating impurity removal of electrogalvanizing, and belongs to the technical field of intelligent control of pre-plating impurity removal. The system comprises a bubble influence correction module, a pre-plating state optimization module, a workpiece thickness adjustment module and a plating solution component impurity removal module. The measurement result of the thickness gauge is dynamically corrected according to the bubble influence parameters in the pre-plating process, and the influence of generated bubbles on the accuracy of the measurement result of the thickness gauge is reduced; pre-plating state optimization treatment is conducted according to pre-plating state parameters in the pre-plating process, and the influence of plating solution quality fluctuation on the plating solution performance and the pre-plating layer quality is reduced; anode configuration is dynamically optimized according to the thickness of the workpiece at each position point, and the influence of the thickness of the workpiece at each position point on the uniformity of the pre-plating layer is reduced; and auxiliary impurity removal is carried out according to the components of the pre-plated plating solution, and the plating thickness measurement accuracy is improved by solving the problems of bubble attachment and air gaps of the plating solution, so that the evaluation and control of the pre-plating quality are optimized.

The invention relates to the technical field of air flotation oil removal, and discloses a rotational flow air flotation oil removal device and an oil-water separation process. The rotational flow air flotation oil removal device comprises a tank body; the cyclone assembly is arranged in the tank body and comprises a cylinder body fixedly mounted in the tank body; the gas distribution assembly is coaxially arranged at the bottom of the mixing cavity; the gas distribution assembly comprises a gas distribution disc rotationally arranged at the bottom of the mixing cavity, a gas inlet pipe connected with the center of the bottom of the gas distribution disc in a penetrating mode, a plurality of sets of cylindrical gas holes formed in the radial direction of the gas distribution disc in an array mode, a plurality of sets of spiral cover plates covering the gas distribution disc and conical gas holes formed in the spiral cover plates and corresponding to the cylindrical gas holes. According to the rotational flow air flotation oil removal device, the air distribution disc is driven to rotate intermittently, so that the cylindrical air holes correspond to the conical air holes of the spiral cover plate alternately, tiny bubbles and large bubbles matched with oil drops with different particle sizes are generated, and effective capture of tiny oil drops and rapid separation of medium and large oil drops are achieved.

An electrolyte injection device (100), comprising: a sealing mechanism (10) which is provided with a sealing cavity (11) for accommodating a battery (200); an electrolyte injection mechanism (20) which is configured to temporarily store an electrolyte and be in communication with an electrolyte injection port of the battery (200) so as to inject the electrolyte into the battery (200) through the electrolyte injection port, wherein the electrolyte injection mechanism (20) is in communication with the sealing cavity (11), the sealing mechanism (10) is provided with a gas port in communication with the sealing cavity (11), and the gas port is configured to be in communication with a vacuum generation mechanism so as to extract gas from the sealing cavity (11), the electrolyte injection mechanism (20) and the battery (200), or to be in communication with a positive pressure generation mechanism so as to fill the sealing cavity (11), the electrolyte injection mechanism (20) and the battery (200) with high-pressure gas; and a vibration mechanism (30) which can be at least partially arranged in the electrolyte injection mechanism (20) and is configured to send ultrasonic waves to the electrolyte in the electrolyte injection mechanism (20), wherein the electrolyte vibrates under the action of the ultrasonic waves, and the electrolyte can propagate the ultrasonic waves into the battery (200). When the electrolyte is injected into the battery through the electrolyte injection mechanism, the ultrasonic waves can be directionally propagated into the battery and create a cavitation effect in the electrolyte, fine bubbles are continuously released from a gap and a cavity inside the battery, and ultrasonic vibration can enable relaxation of a battery cell in a battery case. In this way, more gas in the battery can be pumped away during subsequent vacuumizing, an electrolyte level in the battery can drop faster when high pressure is applied, and the battery can more easily achieve an infiltration effect, thereby shortening the electrolyte injection time to improve the production efficiency.

The present application relates to the technical field of bubble plume simulation, in particular to a submarine bubble plume imaging simulation platform and a simulation method. The platform comprises a water tank, a plume leakage simulation system, an environment simulation system and a monitoring control system. The plume leakage simulation system comprises a gas generating mechanism, a water flow generating mechanism and a jet device, and the jet device is arranged at the bottom of the water tank. The environment simulation system is arranged in the water tank. The monitoring control system is connected with the plume leakage simulation system and the environment simulation system. The submarine cold spring bubble plume shape and behavior can be simulated, and the corresponding acoustic and optical images can be collected. These data can be used to train a deep learning model to achieve the function of target detection of the plume in a real sea area.

The invention discloses a micro-channel cooling method and system for semiconductor packaging, and belongs to the technical field of semiconductor packaging detection, and the method specifically comprises the steps: constructing a graded micro-channel network in a semiconductor packaging substrate, the graded micro-channel network is composed of a first-stage main channel and a second-stage branch channel with a smaller equivalent hydraulic diameter, and the first-stage main channel and the second-stage branch channel are communicated through a conical transition section; the pump pumps a cooling working medium into the second-stage branch channel through the first-stage main channel, and flow deviation caused by manufacturing tolerance is compensated through diameter difference. During boiling cooling, a cooling working medium absorbs heat in the second-stage branch channel to form a bubble core, and a periodic expansion or contraction structure in the channel regulates and controls bubble growth; a cooling working medium carrying bubbles enters an inertia damping structure comprising a sudden expansion cavity and a vortex generator for pressure stabilization and then enters an external condenser for phase change, the condensed liquid cooling working medium is injected into a primary main channel again through a pump, and efficient cooling circulation is achieved.

The invention discloses a wafer cleaning device based on ultrasonic cleaning, and relates to the technical field of wafer cleaning devices. Comprising a cleaning machine outer tank body, a wafer cleaning glass tank, an ultrasonic cleaning tank, an ultrasonic device, a bottom plate, a housing, a cleaning tank rail, a flow dividing water supply device and a bubble removing uniform vibration device, ultrapure water serves as a medium, ultrasonic vibration is effectively conducted to the wafer cleaning glass tank, a strong acid solution in the tank is driven to uniformly vibrate, and efficient cleaning of wafers is achieved. High turbulence pulsation and local shearing stress are formed at the junction of oblique water replenishing and the stock solution, large bubbles are sheared into small bubbles, bubble gathering is prevented, and the liquid purity and the ultrasonic cleaning efficiency are improved. Under the centrifugal separation action of the rotational flow connecting base and the annular rotational flow piece, bubbles in water flow are concentrated in the center position, ultrapure water on the outer side is rapidly discharged, the bubbles are efficiently absorbed after making contact with the hydrophobic porous membrane, and the bubble removing effect is remarkably improved.

To provide a processing method of a wafer in which processing waste does not remain in a division groove.SOLUTION: The wafer processing method includes a half-cut groove forming step of forming half-cut grooves in the face side 2 a of the wafer 2, a protective member providing step of providing a protective member on the face side 2 a of the wafer 2 in which the half-cut grooves have been formed, a dividing step of grinding the reverse side 2 b of the wafer 2 to form dividing grooves 70 in the wafer 2, dividing the wafer 2 into individual chips 72, and a cleaning step of cleaning the wafer 2 in which the dividing grooves 70 have been formed. The washing step includes a placing step of placing the protective member side on the spinner table, and a washing step of positioning the ejection port 70a of the washing nozzle 78 at the start point 78a of the dividing groove 70, swinging the washing nozzle 78 in synchronization with the rotation of the spinner table to move the ejection port 78a along the dividing groove 70 such that the ejection port 78a reaches the end point of the dividing groove 70, and ejecting washing water in which air bubbles are generated from the ejection port 78a to cause the washing water to enter the dividing groove 70, thereby removing the processing debris from the dividing groove 70.SELECTED DRAWING: Figure 10