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96 results about "Liquid bubble" patented technology

A bubble is a globule of one substance in another, usually gas in a liquid. Due to the Marangoni effect, bubbles may remain intact when they reach the surface of the immersive substance.

Device for eliminating bubbles in flowing liquid

The utility model discloses a flowing liquid bubble eliminating device which comprises a bubble eliminating box, a water inlet pipe, a water outlet pipe, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet pipe and a liquid outlet pipe, a plurality of first liquid flow cavities and second liquid flow cavities which are communicated in sequence to form liquid flow channels for liquid to be detected to flow up and down in a reciprocating manner are arranged between the water inlet and the water outlet in the defoaming box; the guide pieces are arranged in the first liquid flow cavity and / or the second liquid flow cavity and located close to the liquid level, and the guide pieces are made of hydrophilic materials and extend in the transverse direction to increase the transverse liquid flow distance of the liquid to be measured. By arranging the guide piece, under the drainage effect of the guide piece, liquid flow can be forced to flow by a certain distance in the transverse direction, the transverse flowing distance of the liquid flow below the liquid level is increased, more floating time and time for making contact with the horizontal plane and breaking can be given to bubbles, the probability that the bubbles make contact with the liquid level is increased, and the probability that the bubbles break through the liquid level and overflow is increased; and the defoaming effect and the defoaming efficiency of the device are improved.
Owner:NANJING YIMU INTELLIGENT TECHNOLOGY CO LTD

Processing device for preparing frozen squids by using ultrasonic technology

The invention relates to the technical field of ultrasonic frozen squid processing, in particular to a processing device for preparing frozen squids by utilizing an ultrasonic technology, which comprises a pre-freezing room, a first ice glazing room is arranged on the side surface of the pre-freezing room, a first ultrasonic ice glazing machine is arranged on the inner side of the first ice glazing room, a quick freezing room is arranged on the side surface of the first ice glazing room, and a second ultrasonic ice glazing machine is arranged on the inner side of the quick freezing room. A second ice glazing room is arranged on the side face of the quick freezing room, a second ultrasonic ice glazing machine is arranged on the inner side of the second ice glazing room, and a freezing room is arranged on the side face of the second ice glazing room; the first ultrasonic ice glazing machine and the second ultrasonic ice glazing machine are arranged, the frozen storage quality of squids is improved through the layered ice glazing technology, bubbles of ice glazing liquid are eliminated through ultrasonic oscillation, and the transparency and adhesive force of an ice layer are improved.
Owner:NINGDE CITY YUEHAI AQUATIC PROD

Vapor chamber heatsink assembly

A vapor chamber heatsink assembly, under vacuum, having a working fluid therein, comprising a plurality of heatsink fins and a vapor chamber is provided. The vapor chamber comprises an upper and lower casing having an upper and lower chamber surface, respectively. The upper and lower chamber surfaces define a plurality of obstructers forming a plurality of braided channels therearound. When heat from a greater temperature heat source and a lower temperature heat source is applied to respective contact surfaces of the lower casing, via the plurality of obstructers and braided channels, respectively, the working fluid and liquid vapor slugs / bubbles travel therethrough, providing an effective phase change mechanism to the greater temperature heat source, while concurrently, hindering agglomeration of working fluid thereto. An effective phase change mechanism is also concurrently provided to the lower temperature heat source due to the non-agglomeration of working fluid to the greater temperature heat source.
Owner:COOLER MASTER CO LTD

An embedded dielectrophoresis in-situ Raman spectroscopy system

An embedded dielectrophoresis in-situ Raman spectroscopy system, a first laser emitter emits a first laser to a first lens group, the first laser is converged by the first lens group and incident to a designated area of ​​a sample container flow channel; the first laser emitted from the sample container enters an imaging camera through an objective lens; a second laser emitter emits a second laser to a second lens group, the second laser is incident to a designated area of ​​a sample container flow channel through an objective lens after changing the optical path by selecting a lens group, the liquid bubble or the droplet surface in a microemulsion controlled by dielectrophoresis in the designated area reflects the second laser, the second laser reflected by the droplet surface of the liquid bubble changes the optical path by selecting a lens group and is incident to a third lens group, the second laser emitted by the third lens group is captured by a Raman spectrometer. The present invention can dynamically display the surface properties of liquid bubbles or droplets in microemulsions in real time, and can provide a stable, controllable, non-contact, and non-destructive in-situ characterization method for dynamic analysis of liquids such as water or microemulsions at a micro-mesoscopic scale.
Owner:PEKING UNIV

Liquid bubble eliminating device

The utility model discloses a liquid bubble eliminating device which comprises a defoaming cavity and is characterized in that the defoaming cavity comprises a water overflow cavity, a water inlet cavity and a water outlet cavity, the water inlet cavity is communicated with the water overflow cavity through a water overflow opening, the water inlet cavity is communicated with the water outlet cavity through a water outlet, a water overflow hole is formed in the cavity wall of the water overflow cavity, and the water overflow opening is communicated with the water overflow cavity. A water inlet hole is formed in the cavity wall of the water inlet cavity, a water outlet hole is formed in the cavity wall of the water outlet cavity, the amount of water entering the water inlet cavity through the water inlet hole is larger than the amount of water flowing out of the water outlet hole, the excessive amount of water can be discharged through the water overflow hole, and the bottom edge of the water outlet is lower than the bottom edge of the water overflow hole. According to the liquid bubble eliminating device, liquid paths are switched according to different heights of the overflow port and the water outlet, water flow with bubbles flows to the overflow port, water flow without bubbles flows to the water outlet, and the purpose of effectively eliminating bubbles in liquid is achieved.
Owner:ZHUHAI SYS ENVIRONMENTAL TECH CO LTD

Microbubble generator, gas-liquid bubbling bed reaction device and reaction method thereof

The present application relates to the field of gas-liquid mixing reaction, disclose a kind of microbubble generator, gas-liquid bubble bed reaction device and its reaction method, wherein, the microbubble generator includes Venturi tube (1), the Venturi tube (1) includes taper section (3), throat straight section (4) and gradually expanding section (7), first spiral flow gas hole (13) is provided on the throat straight section (4) and the first spiral flow gas hole (13) is through the wall of tube and is angled with radial direction, the size of the bubble formed in liquid can be reduced by the above technical solution, the residence time of bubble in throat straight section and gradually expanding section is prolonged, so that gas and liquid are mixed uniformly.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A filling device for high-precision energy storage immersion liquid and a filling method thereof

PendingCN122324331AGear pumpProcess engineering
The application discloses a kind of filling device and filling method for high-precision energy storage immersed liquid, it is related to energy storage equipment filling technical field, to solve the problem of insufficient precision of existing filling equipment, easy to introduce bubble and low degree of automation.The device includes sequentially connected oil storage tank, gear pump, defoaming chamber, steady flow tank and needle valve, needle valve is sealedly connected with the cooling system to be filled by quick-change connector;Defoaming chamber is built-in baffle and vacuum pump, for eliminating immersed liquid bubble;Steady flow tank is equipped with air bag and pressure regulating valve, absorbs gear pump pulsation to maintain constant pressure, overall realizes automatic operation by PLC controller.The filling method uses "first fast then slow" speed curve, combined with drop mode and pressure maintaining step to improve precision.The application filling precision is high, no bubble is mixed, degree of automation is high, can satisfy the strict requirement of high-precision energy storage equipment to immersed liquid filling, adapt to the scale production demand of energy storage cooling system.
Owner:安徽巡鹰新能源集团有限公司

Pneumatic head sealing performance detection device

The utility model discloses a pneumatic head sealing performance detection device which comprises a base, a detection cylinder and a gas connecting pipe. The detection cylinder is vertically installed on the base, the detection cylinder is used for containing air tightness detection liquid, a flexible extrusion part is arranged on the side wall of the detection cylinder, and the flexible extrusion part lifts the liquid level height of the air tightness detection liquid through extrusion; the gas connecting pipe is vertically installed in the detection cylinder, the bottom of the gas connecting pipe is connected with a gas source, and the top of the gas connecting pipe is connected with a pneumatic head to be detected. According to the utility model, the liquid level height of the air tightness detection liquid in the detection cylinder is changed by pressing the flexible extrusion part, so that the air tightness detection liquid reaches the detection position of the pneumatic head, the air tightness is judged according to whether the air tightness detection liquid bubbles, and the air tightness detection result of the pneumatic head can be intuitively and quickly obtained. The device has the characteristics of simple structure and convenient operation.
Owner:SHANGHAI VIACERT ELECTROMECHANICAL TECH CO LTD

Method and device for eliminating low-oxygen copper liquid bubbles in horizontal continuous casting crystallization cavity

PendingCN121847734AReduce dead endseliminate generationElectric machineLiquid bubble
The invention discloses a horizontal continuous casting crystallization cavity low-oxygen copper liquid bubble eliminating method and device, and relates to the technical field of low-oxygen copper liquid continuous casting crystallization, a continuous casting machine shell and a bubble eliminating cavity are included, a continuous casting crystallization mechanism is arranged in the continuous casting machine shell, and a stirring mechanism is arranged in the bubble eliminating cavity. The stirring mechanism comprises a first motor arranged in the bubble eliminating cavity, a sliding groove is formed in the first motor, a sliding block is slidably connected to the interior of the sliding groove, a threaded rod is arranged at the output end of the first motor, a threaded cylinder is in threaded connection to the exterior of the threaded rod, and an air suction cylinder is fixedly connected to the interior of the bubble eliminating cavity. The thorn-shaped stirring fan can stir copper liquid in the bubble eliminating cavity at different heights, so that bubbles in the copper liquid are punctured and eliminated, dead angles are few when the bubbles are eliminated, a vacuum environment is formed in the bubble eliminating cavity, some missing bubbles are eliminated again, and the bubbles can be effectively prevented from being generated again in the copper liquid.
Owner:TONGLING UNIV

Multistage high-efficiency bubble dehumidification separation device, dehumidification separation method and application

The application discloses a kind of multistage high-efficiency bubble dehumidification separation devices, including separation dehumidification tank body, and the inside of separation dehumidification tank body and located above the import is provided with at least two levels of independent gas-liquid bubble dehumidification component;Two-stage gas-liquid bubble dehumidification component includes cooling heat exchange component and gas inlet pipeline from bottom air inlet, gas-liquid bubble dehumidification component is filled with dehumidification liquid, and the gas in dehumidification liquid is cooled and dehumidified by cooling heat exchange component.Multiple gas bubble dehumidification components, can be mixed with dehumidification liquid to be processed gas, and utilize cooling heat exchange component to reduce gas temperature to be close to consistent with dehumidification liquid temperature, by the temperature difference design of each level dehumidification heat exchange, with better dehumidification efficiency, by multistage bubble dehumidification principle, can carry out efficient dehumidification in high temperature section and low temperature section respectively, suitable for the occasion needing high-precision dehumidification, such as electrolytic water hydrogen production process anode and cathode gas separation and dehumidification treatment.
Owner:HEFEI KEWELL POWER SYST CO LTD

Solid-liquid-gas interface mass transfer equipment and method

The present invention relates to a solid-liquid-gas interface mass transfer device and method thereof. The solid-liquid-gas interface mass transfer device includes a pretreatment device for the material to be treated, a pre-storage tank for the material to be treated, a gas and pressure control device, a pulse pressure control valve, a reaction tank for the material to be treated, and a gas-liquid mixing device; the solid-liquid-gas interface mass transfer method includes the following steps: S1. Pretreatment step of the material to be treated; S2. Pre-storage step of the material to be treated; S3. Collision and blasting step; S4. Reaction step of the material to be treated; S5. Finished product completion step; Thus, the material to be treated in solid or gas form can collide with the nano-bubble liquid under the physical action of high pressure and high speed, and with the instantaneous blasting generated when the nano-bubble liquid bubbles burst, the material to be treated can fully carry out chemical reactions, achieving the effect of heterogeneous interface mass transfer.
Owner:樊满舟 +1

A large-volume uniform bubble generating device capable of realizing high occupancy of liquid bubbles

The application provides a large-volume uniform bubble generating device with high liquid bubble occupancy, which comprises an air compressor for providing a stable air source, a pressure reducing valve for adjusting the air pressure output by the air compressor, an air flow monitoring device for measuring and dynamically adjusting the air flow into each bubble strip of a bubble generating plate in real time, a first shunt valve and a second shunt valve for shunting air, and a bubble generating plate for generating a uniform bubble field; the application has the following beneficial effects: the combination of the pressure reducing valve and the high-precision air flow monitoring device realizes precise control of the air flow and pressure, improves the uniformity of the bubble field, and avoids the common problem of uneven bubble distribution in traditional equipment; 48 bubble strips of the application are respectively supplied with air through two shunt valves with 24 outlets, and a plurality of micropores are arranged in each bubble strip, so that uniform bubble generation in a large-area water body is realized.
Owner:SHANGHAI JIAOTONG UNIV

Liquid transfer method and liquid transfer device

The present invention provides a liquid transfer method and a liquid transfer device, belonging to the field of molecular diagnosis technology, a liquid transfer component and a carrier platform are movably arranged on a base, a plurality of liquid storage tanks and a sensing component are arranged on the carrier platform, and the method comprises: moving the sensing component to below the projection of the liquid transfer component, making the contact end of the liquid transfer component inductively contact with the sensing component, and recording the contact position as the initial position; moving the liquid storage tank to below the projection of the liquid transfer component, determining the first height according to the preset height and the preset liquid transfer amount and descending, and the liquid transfer component absorbs the liquid in the liquid storage tank; controlling the liquid transfer component to rise, moving another liquid storage tank to below the projection of the liquid transfer component, releasing the liquid absorbed in the liquid transfer component into the liquid storage tank, and completing the quantitative transfer of liquid between the plurality of liquid storage tanks in sequence. By controlling the first height, the liquid transfer amount of the liquid transfer component can be accurately controlled. The liquid transfer component does not need to be specially made, and will not be disturbed by bubbles on the liquid surface, the liquid transfer error is small, and the cost is low.
Owner:XIAN BIOLAB BIOTECHNOLOGY CO LTD

A device for removing bubbles from pickling tank

The present invention discloses a pickling tank bubble removal device, which relates to the field of bubble removal technology and includes a pump, an acid filter, a shunt pipe, a guide structure and a bubble breaking structure, wherein the acid filter is located on the upper side of the pump, and the pump is connected to the acid filter, and the liquid outlet of the acid filter is connected to the shunt pipe; the shunt pipe includes a first pipe and a second pipe, one end of the first pipe is connected to the liquid outlet, and the other end of the first pipe is connected to one end of the second pipe, wherein a liquid reflux surface and a bubble breaking structure provided on the lower side of the liquid reflux surface are provided on the inner wall of one end of the second pipe, and a guide structure is further provided on the inner wall of one end of the second pipe, and the guide structure and the bubble breaking structure are directly opposite. It utilizes the driving force of the simple shunt pipe and the pump to produce the effect of separating liquid bubbles, thereby achieving the specific effect of removing bubbles when transporting various solvents or mixed solutions to the wafer wet process area.
Owner:PNC PROCESS SYSTEMS CO LTD +1

Gradient measuring device for land engineering

The utility model relates to the technical field of slope measuring devices, in particular to a slope measuring device for land engineering, which solves the problems mentioned in the background technology and comprises a machine body, edge strips arranged on the lower portions of the two sides of the machine body, a push frame installed at the bottom of the machine body and connected with the edge strips in a sliding mode, and the push frame is pushed on the edge strips. Edge strips are arranged on the lower portions of the two sides of the machine body and matched with a first guide plate at the front end, a second guide plate at the rear end and a sliding push frame at the bottom, the push frame can slide along the edge strips, the first guide plate and the second guide plate before use, and gravels adsorbed to the bottom of the machine body are effectively pushed and cleared away. The situation that the bottom flatness is destroyed by the adsorbed sand and stone to generate adverse effects on measurement data is avoided, so that the liquid bubble level can perform leveling operation under a flat condition, and the pointer can accurately indicate a gradient value, so that the measurement precision is practically guaranteed, the obtained gradient data is true and reliable, and the measurement accuracy is improved. And an accurate basis is provided for subsequent planning, design and the like of land engineering.
Owner:绥芬河市土地储备整理中心

Foam breaking rectifying tower for preparing high-purity electronic-grade molybdenum hexafluoride and control method

The invention relates to a bubble breaking rectifying tower for preparing high-purity electronic grade molybdenum hexafluoride and a control method, the bubble breaking rectifying tower comprises a plurality of bubble stretching and thinning mechanisms, each bubble stretching and thinning mechanism comprises a gas flow guide frame body, a fixed plate body and a bubble attachment plate, the gas flow guide frame bodies and the fixed plate bodies are arranged on a first mounting bracket at intervals, and the gas flow guide frame bodies and the fixed plate bodies are arranged on a second mounting bracket at intervals; the middle part of the bubble attachment plate is transversely hinged to the top end of the fixed plate body, the bubble attachment plate shields an opening of the gas guide frame body in an unstressed state, and the gas guide frame body and the bubble attachment plate are arranged at an interval; the liquid driving devices are arranged on the second mounting support and used for outputting liquid towards the top of the bubble attachment plate, the bubble attachment plate stretches and thinns a contact line between the foam corresponding fixing plate body and the bubble attachment plate in the rapid swinging process, and after the bubble attachment plate and the gas flow guide frame body are opened, the bubble attachment plate and the gas flow guide frame body are separated from each other. And the bubble attachment plate drives air to flow into the opening so as to break the stretched and thinned part.
Owner:FUJIAN DEXU NEW MATERIALS CO LTD

Multistage gradient energy-saving smelting kiln for medicinal glass tubes and control method

The invention relates to the technical field of glass smelting equipment, in particular to a medicinal glass tube multistage gradient energy-saving smelting kiln and a control method.The medicinal glass tube multistage gradient energy-saving smelting kiln comprises a kiln body, a state detection unit and a control unit, the kiln body comprises a pre-melting section, a main melting section, a homogenizing section and a flow guide section which are sequentially communicated, and a blocking weir is arranged between the main melting section and the homogenizing section; a baffle weir is arranged at the upper end of the main melting section, a circulating groove is formed in the upper end of the baffle weir, heating assemblies are arranged in the pre-melting section and the main melting section, and a feeding mechanism used for feeding is arranged in the pre-melting section. When the water content of the raw materials exceeds the standard, the pre-melting power can be increased, the feeding rotating speed is reduced for sufficient drying, the main melting local power can be adjusted to optimize melting when the particle size or content of silica sand fluctuates, and it is ensured that the bubble density, the stone content and the like of molten glass are stabilized within a set range.
Owner:SHANDONG AHUA PACKAGE PRINTING

Pot cover assembly and cooking utensil

The pot cover assembly comprises a cover body, an inner cover and a steam valve arranged on the cover body, the cover body and the inner cover are matched to define a steam channel, the pot cover assembly further comprises an anti-overflow detection piece, the anti-overflow detection piece at least partially surrounds the steam channel, a butt joint channel is arranged in the steam valve, and the butt joint channel is communicated with the steam valve. The flow area of the butt joint channel is smaller than that of the steam channel, and the butt joint channel partially extends into the steam channel to be communicated with the steam channel. According to the utility model, after liquid and bubbles enter the steam channel, the anti-overflow detection piece can respond in time, so that the detection sensitivity and accuracy of the anti-overflow detection piece are improved, and the detection error is greatly reduced. After the bubbles enter the steam valve, the bubbles can be broken in the steam valve, so that even if the liquid is still kept in a transient boiling state by waste heat in the pot, the phenomenon of overflowing from the pot can be reduced.
Owner:JOYOUNG CO LTD

Large-volume uniform bubble generating device capable of realizing high occupancy of liquid bubbles

The invention provides a large-volume uniform bubble generating device capable of realizing high occupancy of liquid bubbles. The air compressor is used for providing a stable air source; the pressure reducing valve is used for adjusting the pressure of air output by the air compressor; the air flow monitoring device is used for measuring the flow of air entering each bubble strip in a bubble generation plate in real time and dynamically adjusting the flow of air entering each bubble strip in the bubble generation plate; the first-stage shunt valve and the second-stage shunt valve are used for shunting air; the bubble generating plate is used for generating a uniform bubble field; compared with the prior art, the invention has the following beneficial effects: through the combination of the pressure reducing valve and the high-precision air flow monitoring device, precise control of gas flow and pressure intensity is realized, the uniformity of a bubble field is improved, the common problem of uneven bubble distribution in traditional equipment is avoided, and the production efficiency is improved. Air is supplied to the 48 bubble strips through the two flow divider valves with one inlet and 24 outlets, and a plurality of micropores are formed in each bubble strip, so that bubbles in a large-area water body are uniformly generated.
Owner:SHANGHAI JIAOTONG UNIV

Magnetic tile ultrasonic cleaning device and process

The present invention relates to the technical field of magnetic tile cleaning, and in particular to a magnetic tile ultrasonic cleaning device and process. A loading unit is provided, and a plurality of magnetic tiles can be placed at one time through an overlapping component on an annular hanging net. The overlapping component has a simple structure, is convenient for taking and placing the magnetic tiles, and improves the cleaning efficiency of the magnetic tiles. The magnetic tiles dispersedly placed in layers in a circumferential direction do not affect each other during cleaning, and the problem of incomplete cleaning caused by overlapping magnetic tiles is avoided. The cleaning unit is provided, and ultrasonic transducers are staggeredly arranged around the outer end of a specially structured matching cleaning pool. This ensures that bubbles generated by ultrasonic vibrations are relatively uniform in the liquid in the matching cleaning pool, ensures that the cleaning levels of magnetic tiles at different positions and different surfaces of the same magnetic tile are consistent, and comprehensively disturbs the liquid in the matching cleaning pool, which can drive the liquid bubbles to vibrate comprehensively and violently, thereby achieving a more ideal cleaning effect.
Owner:GUANGDONG JINYAN MAGNETOELECTRIC TECH CO LTD

Foam testing device for film removing liquid

The utility model discloses a foam testing device for a stripping solution. The foam testing device comprises a device body, a built-in air pump, a transparent graduated cylinder and a bottom replaceable air outlet hole, a built-in air pump is arranged in the device body, and a heating device, a temperature sensing device and a water bath heating device are arranged on the device body; the device body is further provided with an air flow adjusting knob used for adjusting the built-in air pump. A bottom replaceable air outlet is formed in the center of the bottom of the transparent measuring cylinder with the scales. The device is used for measuring the foaming capacity and the stability of liquid, and can effectively reduce the influence of foam on PCB production and improve the product quality and the production efficiency by quantitatively testing and evaluating the foam condition of related liquid medicine in advance.
Owner:CHEMAX(NANTONG) ELECTRONIC MATERIALS LTD

Biological liquid bubble-blowing deodorization system based on U-shaped pipe principle

The utility model relates to a biological liquid bubble blowing deodorization system based on a U-shaped pipe principle, which comprises a bubble generating device assembly unit, a deodorization liquid supply assembly unit and an ammonia gas and hydrogen sulfide gas detector, and the deodorization liquid supply assembly unit comprises a high-position liquid supply pool, a switch water valve and a U-shaped hose; the height of the liquid level of the high-level liquid supply pool is not smaller than the upper limit of the liquid level in the bubble generating device assembly unit, and one end of the high-level liquid supply pool is communicated with a liquid inlet of a bubble generating device in the bubble generating device assembly unit through a U-shaped hose; a switch water valve used for controlling the U-shaped hose to be connected or disconnected is arranged on the U-shaped hose. The problems of energy waste and high system operation cost caused by atomization deodorization of an existing high-pressure spraying deodorization technology and the problem of high energy consumption of an existing bubble blowing deodorization system are solved.
Owner:HEBEI UNIV OF TECH

Three-dimensional vapor cavity heat dissipation device

The application relates to the technical field of electronic heat dissipation, and particularly provides a three-dimensional vapor cavity heat dissipation device, aiming at solving the problems of low natural convection heat dissipation efficiency and poor heat dissipation effect in the prior art. In the application, pseudo-boiling of a working medium in the evaporation cavity is caused, the heat absorption capacity of the working medium is increased, the heat transfer rate of the working medium is improved, heat is transferred to the evaporation fins, the working medium in the evaporation fins is heated to cause nucleate boiling to form a vapor-liquid bubble-shaped mixed flow, the bubbles rise to the condensation fins under the action of buoyancy, partial condensation is completed, the remaining steam is condensed in the condensation cavity and returns to the evaporation fins to be heated and evaporated, and heat dissipation is completed. The application provides the three-dimensional vapor cavity heat dissipation device with high heat transfer, small temperature difference and high heat dissipation efficiency, and can effectively solve the problems of low natural convection heat dissipation efficiency and poor heat dissipation effect.
Owner:SHENZHEN JIANJU SCI & TECH LTD

Control system for bubbles in liquid film, and wafer cleaning device and wafer cleaning method

The present application relates to a control system for bubbles in a liquid film, and a wafer cleaning device and a wafer cleaning method. The control system for bubbles in a liquid film comprises a megasonic generator, a sampler, a bubble detection module and a controller, wherein the megasonic generator is used for transmitting acoustic energy to a liquid film on a wafer, so as to clean the wafer; the sampler is used for acquiring a liquid in the liquid film on the wafer during a process in which the megasonic generator cleans the wafer; the bubble detection module is connected to the sampler, and is used for performing bubble detection on the liquid acquired in the sampler and determining bubble parameters in the liquid; and the controller is connected to the bubble detection module, and is used for adjusting operation parameters of the megasonic generator on the basis of the bubble parameters, so that the bubble parameters are within a preset range. The present application solves the problem in the prior art of the "cavitation effect" of bubbles caused by the expansion, contraction and oscillation of the bubbles leading to the collapse of and damage to a pattern structure on a wafer, thereby improving the wafer production yield.
Owner:ACM RES (SHANGHAI) INC

A feed microbial agent fermentation tank

The present invention provides a feed microbial inoculant fermentation tank, which relates to the technical field of fermentation, and comprises: a main body component, wherein when foam appears during the fermentation process, a sensing module is triggered, and a motor controls an active component to rotate, and while the active component rotates, two groups of control screws are driven to rotate through a driven component, so that the movable component rises on a tank body, thereby increasing the internal space of the tank body, thereby preventing microorganisms from overflowing from the upper end of the tank body or other pipelines on the top with foam, and solving the problem that foam will appear in the fermentation process of the existing fermentation tank, which has an adverse effect on production. When foam is generated, part of the space in the tank will be occupied by the foam, thereby reducing the filling amount of the inoculant, and often due to untimely defoaming, the height of the foam will continue to rise, and a bubble liquid will appear, which will cause the product and the microorganisms to overflow from the tank body with the foam.
Owner:TAIAN GUANGYUANDA BIOTECHNOLOGY CO LTD

A bubble-breaking distillation tower and control method for preparing high-purity electronic-grade molybdenum hexafluoride

This invention relates to a defoaming distillation column and control method for preparing high-purity electronic-grade molybdenum hexafluoride, comprising: several bubble stretching and thinning mechanisms, each including a gas guiding frame, a fixed plate, and a bubble attachment plate. The gas guiding frame and the fixed plate are spaced apart on a first mounting bracket. The middle part of the bubble attachment plate is laterally hinged to the top of the fixed plate. When the bubble attachment plate is not under stress, it blocks the opening of the gas guiding frame. A gap is provided between the gas guiding frame and the bubble attachment plate. Several liquid driving devices are mounted on a second mounting bracket. The liquid driving devices output liquid toward the top of the bubble attachment plate. During the rapid oscillation of the bubble attachment plate, the contact line between the foam and the fixed plate and the bubble attachment plate is stretched and thinned. After an opening appears between the bubble attachment plate and the gas guiding frame, the bubble attachment plate drives air into the opening, thereby breaking the stretched and thinned portion.
Owner:FUJIAN DEXU NEW MATERIALS CO LTD

Bubble-liquid separator

The utility model relates to a bubble-liquid separator which comprises a barrel (1), a vacuumizing opening (1.1) is arranged on the barrel (1), a liquid outlet (1.2) is arranged at the bottom of the barrel (1), a rotor (3) is arranged at the upper part in the barrel (1), an upper baffle (5) is arranged between the upper part of the rotor (3) and the vacuumizing opening (1.1), and a liquid inlet pipe (6) is upwards inserted into the barrel (1) from the bottom of the barrel (1). And a lower baffle (4) is sleeved on the top of the liquid inlet pipe (6) in the cylinder body (1) and is positioned at the lower part of the rotor (3). The bubble-liquid separator disclosed by the utility model has the advantages of simple structure and low cost.
Owner:JIANGYIN JINFENG METAL TECH CO LTD

Method for testing bending rigidity of two-dimensional nano material

The invention discloses a method for testing the bending rigidity of a two-dimensional nano material, and relates to the field of two-dimensional nano materials. Comprising the following steps: preparing a sample, selecting a two-dimensional nano material, and adhering the two-dimensional nano material to the surface of a substrate; transferring and nanometer liquid bubble forming: transferring the two-dimensional nanometer material to another substrate from the substrate by utilizing a liquid-assisted wet transfer technology, forming nanometer liquid bubbles below the two-dimensional nanometer material in the transferring process due to an interface effect between the two-dimensional nanometer material and a second substrate, and performing morphological analysis. And performing morphological analysis on the nano-vacuole by using an atomic force microscope to obtain the projection radius a of the nano-vacuole. According to the method, on the basis that theoretical calculation is adopted for the mechanical model, the relation between the independent variable and the rigidity is obtained through big data, and then the mechanical model is finally formed in a curve fitting mode, so that the theory and the reality can be combined, and the precision is improved.
Owner:SHANGHAI ZHIKAO HEALTH TECHNOLOGY CO LTD