795 results about "Gas bubble" patented technology

A temperature control device (200) for temperature control of a position-sensitive component (102) of a lithography system (1), comprising a liquid line (208) with a line section (218) for transporting a temperature control liquid (206), and a gas bubble separator (220) with a branch line section (222) branching off from the line section (218), wherein within the branch line section (222) a fluid space (224) and a gas space (226) are formed, fluidly connected to the line section (218), and the gas space (226) is connected to the liquid space (224) by means of a gas passage unit (228) for allowing gas bubbles (216) to pass from the liquid space (224) into the gas space (226).

This invention provides a multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator. An air inlet pipe and an air pipe are sequentially connected along the air inlet direction. A rapid microbubble cutting and diffusion oxygen dissolving unit is fitted outside the air inlet pipe. An inner cylinder and an outer cylinder are sequentially fitted outside the air pipe from the inside to the outside. The inner cylinder has a first inner cylinder section, a second inner cylinder section, and a third inner cylinder section sequentially along the air inlet direction. A medium-sized bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the first inner cylinder section, a large bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the second inner cylinder section, and an air guiding unit is installed on the outer wall of the third inner cylinder section. An air diffuser unit is installed at the air outlet of the air pipe. This multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator effectively cuts air into microbubbles, effectively solving the problems of clogging and short lifespan of traditional aerators after long-term use, and is suitable for aerobic aeration treatment.

This invention discloses an energy-saving pole centrifugal device, belonging to the field of pole processing technology. It includes a support frame, with a centrifugal mechanism at the top of the support frame. The centrifugal mechanism includes a centrifugal cylinder rotatably mounted at the top of the support frame. A third motor is fixedly mounted at the top of the support frame, and a gear is fixedly mounted on the output shaft of the third motor. A limit assembly is provided on the outside of the centrifugal cylinder, and a gear ring is fixedly mounted on the outside of the limit assembly, with the gear meshing with the gear ring. A flow guiding mechanism is provided near the top of the centrifugal cylinder on the support frame. This invention, through the synergistic effect of sliding spiral flow guiding ribs on the inner wall of the centrifugal cylinder and a spiral stirring plate on the outside of the hollow column, can both prevent the concrete aggregate from being sheared and damaged, and fully agitate the concrete, promptly expel internal air bubbles, break the stratification interface of sand, cement slurry, and water during centrifugation, reduce defects such as inner wall laitance, honeycomb, and holes, and significantly improve the pole forming quality and structural stability.

This invention discloses a device and method for treating and reusing circulating water wastewater, specifically relating to the field of wastewater treatment technology. The device includes a treatment cylinder with connecting pipes on both the upper left and right sides. It also includes: a filter assembly disposed on the upper part of the two connecting pipes and communicating with them; an aeration assembly disposed on the bottom wall of the treatment cylinder; and a collection assembly disposed on the top of the treatment cylinder. This invention employs a multi-point distributed annular aeration structure. High-pressure air, through an air outlet mechanism, generates uniform annular bubbles covering the entire cross-section of the treatment cylinder, eliminating aeration dead zones and ensuring more thorough air-water mixing. This significantly improves aeration and oxygenation efficiency, accelerates the oxidation and decomposition of pollutants, and efficiently drives flocculated impurities to the surface through axial bubble circulation. Combined with the top automated collection assembly, it achieves fully automated collection and discharge of scum, improving the purification effect and reuse stability of the circulating water wastewater.

The utility model discloses an epoxy resin terrace vacuum forming auxiliary equipment relates to epoxy resin terrace making technical field, the utility model discloses an exhaust box, the inside top of exhaust box is provided with stirring subassembly, stirring subassembly includes the rotation setting of through shaft in the inside top of exhaust box, and the fixed tooth ring has on the circumference of shaft, and the inside top of exhaust box evenly rotates and is provided with a plurality of gear, and the bottom of gear is provided with conveying spare, and the circumference of shaft evenly fixed a plurality of stirring rod has with the circumference array distribution of stirring rod circumference evenly fixed a plurality of thorn needle, the utility model discloses through the rotation of shaft drive tooth ring rotation, and then drive a plurality of gear rotation and roll the raw material, and the stirring efficiency between raw material is optimized, and the shaft drives stirring rod and thorn needle rotation simultaneously, so that thorn needle can remove the bubble between raw material quickly, and the exhaust efficiency has been improved.

The utility model relates to the technical field of floatation tank, concretely to a multistage separation type floatation tank structure, include: rough separation floatation tank body, fine separation floatation tank body, sweep separation floatation tank body and floatation flow channel, the floatation flow channel is located rough separation floatation tank body and fine separation floatation tank body and the upper end of sweep separation floatation tank body, bubble sieve plate, the top of bubble sieve plate is provided with a plurality of equidistance distribution's bubble hole, the bottom fixed connection of bubble sieve plate inner chamber has a plurality of equidistance distribution's return spring. The utility model has the ability of bubble sieve plate anti - jamming while guaranteeing multistage separation type floatation ability, guarantees the normal operation of multistage separation type floatation tank structure's floatation work, and helps to improve concentrate grade and comprehensive recovery rate.

The utility model relates to the technical field of bubble generator, and disclose a kind of suspended underwater micro-nano bubble generator, including adjustable support mechanism, bubble generating mechanism and external protection mechanism;Bubble generating mechanism is by multistage water pump, inlet pipe, one-way water inlet valve, connecting pump, transport pump, high-speed rotary cutting nanometer bubble pump, conveying pipe and aeration head etc., and is connected by thread seal sleeve to realize pipeline sealing connection.Mainframe box is equipped with buoy, internal and external pressure monitoring sensor, can realize underwater suspension and pressure real-time monitoring.Adjustable support mechanism can adjust equipment installation height, and external protection mechanism is realized waterproof anti-collision protection by protective shell, sealing washer and protective fence.The device adopts multistage water pump to match double high-speed rotary cutting nanometer bubble pump, can accurately control fluid flow rate and pressure, generates bubble particle size uniform, dissolved oxygen efficiency is high, with the characteristics of intelligent control, anticorrosive durable, protective, suitable for water purification, aquatic ecological restoration etc.

This application relates to a continuous feeding device for pressing antistatic calcium sulfate-based raised floors, belonging to the technical field of antistatic calcium sulfate-based raised floor production. It includes a storage tank with a top cover and a feed inlet. An adjustable vibrating mechanism is installed inside the storage tank, and a screw discharge mechanism is installed at the bottom. The adjustable vibrating mechanism includes a suspension rod, a winch, and multiple vibrating rods. The suspension rod is movably mounted inside the storage tank, and the winch is mounted on the top cover. The winch drives the suspension rod to rise and fall, and the multiple vibrating rods are evenly distributed at the bottom end of the suspension rod. This application, by incorporating an adjustable vibrating mechanism, uses vibrating rods to remove air bubbles from the raw material, and then the screw discharge mechanism evenly feeds the raw material, ensuring uniform output and facilitating subsequent pressing and molding.

This invention relates to a method, apparatus, and electronic device for precise flow control of reagents in a reaction tank. The method includes: acquiring the reagent flow rate of a peristaltic pump under different control ratios; calibrating and fitting the control ratio and reagent flow rate to obtain a flow control fitting formula; constructing a flow closed-loop controller, using real-time reagent flow rate as input, a target control ratio as output, and the total reagent extraction volume as the target, for closed-loop control; dividing the control process into time intervals, setting time weights for each time interval, adjusting the input of the flow closed-loop controller according to the time weights, outputting the target control ratio, and controlling the peristaltic pump according to the target control ratio to obtain the required reagent intake for the reaction tank. In summary, this invention addresses the impact of different reagent flow rates on the accuracy of flow sensor measurements by calibrating and fitting the control ratio and reagent flow rate; and eliminates the intake error caused by air bubbles by setting time weights, thus achieving intake control that meets experimental accuracy requirements.

1. Name of the product in this design: Active oxygen bubble generator housing. 2. Purpose of this design: A bubble machine for filling water with active oxygen. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The design for which protection is sought includes color.

The application provides a bubble detection system and method, wherein the bubble detection system comprises a bubble detection unit and a processing unit connected with the bubble detection unit; the processing unit sequentially sends a plurality of different candidate instructions to the bubble detection unit; the bubble detection unit, for each candidate instruction, sends a first signal to a to-be-tested infusion tube according to a signal frequency indicated by the candidate instruction, determines a second signal corresponding to the candidate instruction, and sends the second signal corresponding to each candidate instruction to the processing unit; the processing unit determines signal strengths of the second signals corresponding to the candidate instructions, and determines a control instruction in the plurality of candidate instructions according to a preset screening rule; and the bubble detection unit performs bubble detection on the to-be-tested infusion tube according to the control instruction. In the embodiment, the control instruction is screened according to the signal strengths of the second signals corresponding to the plurality of candidate instructions, so that the bubble detection precision of the bubble detection system is improved.

This invention discloses a bubble generating device and a washing device. The bubble generating device includes: a bubble generating module, which has a dissolved gas space and is provided with an air inlet, a liquid inlet, and a liquid outlet respectively connected to the dissolved gas space. Liquid entering through the liquid inlet and gas entering through the air inlet are adapted to mix in the dissolved gas space and then flow to the liquid outlet, which is connected to a bubbler; and a breather module, which is connected to the bubble generating module and has an exhaust space, which is provided with an exhaust inlet and an exhaust outlet respectively connected to an external space. The bubble generating device of this invention, by mixing gas and liquid to form a large amount of liquid containing bubbles, improves the cleaning properties of items. Furthermore, the bubble generating module and the breather module are integrated into one unit, resulting in a compact overall structure, small footprint, more complete functions, and better performance.

The application discloses a kind of short process gold extraction devices of waste printed circuit board.It includes separation module, collection module and electrodeposition part.Separation module contains leaching tank, and leaching liquid and cleaning liquid are alternately introduced, and leaching process is strengthened using micro-bubble generator and heater, so that gold foil is stripped from the surface of circuit board;Collection module contains filter and temporary storage tank, for intercepting and collecting gold foil and classifying temporary storage liquid;Electrodeposition part is connected to temporary storage tank, and copper in leaching solution is recovered through electrodeposition tank, and tail liquid flows back to leaching tank to realize closed circuit circulation.The application adopts integrated design, and combines selective leaching and physical interception by micro-bubble strengthening, without complex high-temperature or cyanide equipment, and one step realizes efficient stripping of gold and electrolytic recovery of copper;At the same time, leaching solution is closed circuit, and cleaning liquid is recovered in stages, which significantly shortens the process flow, reduces equipment investment and environmental pollution.

The utility model relates to water electrolysis technical field, specifically disclose a kind of low-temperature full gaseous water vapor electrolytic hydrogen production device and system. The utility model aims at overcoming the limitations of existing water electrolysis technology in energy efficiency, cost, system complexity, operation flexibility and environmental adaptability etc. The utility model is core at, under the mild condition lower than 90 DEG C, water is supplied to cathode and anode of electrolytic cell in the form of pure gaseous water vapor simultaneously, using specially designed membrane electrode assembly and internal water management structure, under the action of direct current, water vapor is decomposed efficiently to generate high-purity hydrogen and oxygen. The entire electrolysis process avoids the direct input and circulation of liquid water, realizes gas-solid two-phase interface reaction, significantly simplifies water balance system, reduces equipment volume and weight, solves the bubble coverage of traditional liquid phase electrolysis, mass transfer resistance. The utility model device has the characteristics of modularization and miniaturization, and significantly reduces the net power consumption per unit hydrogen production.

The present application belongs to the field of micro-bubble generating equipment, and discloses a micro-bubble water generating device and a self-cleaning method thereof. The micro-bubble water generating device comprises a gasket, a first pipeline and a second pipeline. One end of the second pipeline is sealingly arranged in the first pipeline, and a throat is formed between the first pipeline and the second pipeline. The gasket is arranged in the throat portion of the throat in an axial stacking manner. Air can enter the throat through the micro gaps between the gaskets and mix with water to form micro-bubble water. The second pipeline can move axially relative to the first pipeline to change the gaps between the gaskets. By arranging the gasket in the throat portion, air enters the throat through the micro gaps between the gaskets and mixes with water, and the generated micro-bubble water has better effect and can be continuously generated. When dirt and impurities are attached to the gasket due to long-time non-use of the micro-bubble water generating device, the gaps between the gaskets can be changed by the axial movement of the first pipeline relative to the second pipeline, so that the self-cleaning of the micro-bubble water generating device is realized.

The application provides a bubble behavior test device and method for simulating a liquid metal cooled reactor, and belongs to the technical field of nuclear engineering. The device aims to solve the problems of high operating temperature, large power consumption and poor safety of a traditional experimental loop using lead-bismuth alloy as a liquid phase medium, and the shortcoming that a traditional contact type measurement method easily causes disturbance to the flow characteristics of fluid. The bubble behavior test device for simulating the liquid metal cooled reactor comprises a flow channel body, a rod bundle matrix and liquid gallium-indium-tin alloy metal arranged in the flow channel body, and a plurality of gas check valves arranged on each rod of the rod bundle matrix; an inert gas output assembly is provided with a plurality of gas output ports and is connected with the gas injection ports on each rod of the rod bundle matrix; an ultrasonic probe array is arranged on the side of the rod bundle matrix and in the central rod; and a fluid circulation assembly is connected with the flow channel body at the inlet end and the outlet end and is used for driving the fluid in the flow channel body to move from top to bottom and separating the gas from the flow channel body. The device is mainly used for simulating the bubble behavior of the liquid metal cooled reactor.

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.

An article comprising: an aerosol generator for generating aerosol from aerosol generating material; a reservoir for storing the aerosol generating material; and a passage leading from the reservoir to an aerosol generator to permit flow of aerosol generating material from the reservoir to the aerosol generator, wherein the passage is shaped to encourage an air bubble to escape the passage into the reservoir.

This utility model relates to the field of environmental engineering technology and provides a micro / nano generator, including a water storage tank. The water storage tank contains a water delivery assembly, and micro / nano bubble discs are uniformly fixed to the bottom of the tank. A diversion structure is fixed to the bottom of the water delivery assembly. A filter structure is located on one side above the water storage tank. The filter structure includes an inner protective cover located on one side above the water storage tank, and an outer protective cover located inside the inner protective cover. The outer protective cover is threadedly connected to the outer wall of the inner protective cover near the PP cotton filter element. By incorporating the filter structure, and with the threaded connection between the inner and outer protective covers, this utility model effectively confines the PP cotton filter element within the inner and outer protective covers, facilitating water filtration through the PP cotton filter element. This achieves the function of convenient water filtration and improves the ease of use of the micro / nano generator.

The utility model discloses a water outlet mechanism and bubble water machine, shell, the shell has cavity, water inlet and water outlet, prevent splashing subassembly, establish in the cavity, prevent splashing subassembly includes buffer portion and water passing portion, water passing portion hollow along water passing portion axial direction direction, water passing portion establishes in the position of cavity corresponding water outlet, buffer portion is away from the one end of water inlet and establishes in water passing portion, buffer portion is close to the one end of water inlet and stretches in the cavity, buffer portion outside surface is equipped with with water passing portion intercommunication's buffer channel, and the utility model provides a water outlet mechanism and bubble water machine can prevent splashing and can ensure water outlet capacity.

The utility model belongs to the technical field of small bucket gas injection water spray leak detection, disclose a kind of small bucket gas injection water spray leak detection device, including small bucket placement fixing frame;Small bucket placement fixing frame's motor drive screw rod drives moving plate to move, cooperate electric telescopic rod to push small bucket and push to the testing abutment plate and fixed, without artificial handling alignment;Water pump and air pump are automatically completed by connecting pipeline water injection and gas injection operation, compared with traditional artificial water injection observation, single bucket detection time is greatly shortened, can adapt to the detection needs of batch production, solve the problem of low artificial efficiency;Gas injection tank body is injected into gas in small bucket by center test through-hole, to form positive pressure in bucket, water storage tank is sprayed to barrel body surface through the same channel, and small leakage point will produce bubble due to gas pressure, facilitate fast identification;The rubber pad of testing abutment plate and small bucket abutment plate ensures sealing, avoids gas and water leakage interference detection.

The bonding method of the present invention includes: fixing a semiconductor device coated with adhesive onto a rotating stage; controlling the temperature of the rotating stage to keep the adhesive in a molten state and below its boiling point; controlling the rotation of the rotating stage in a negative pressure chamber to expel air bubbles from the adhesive; and curing the adhesive in the semiconductor device. The present invention can effectively remove air bubbles from the adhesive, thereby improving bonding strength and subsequent curing and bonding effects; moreover, the method is simple, easy to implement, and easy to operate.

A method of forming a relieved bubble in a can end includes providing a sheet material with a base thickness. The sheet material is formed into a shell. A bubble station upper punch to an upper tooling assembly and a bubble station lower punch to a lower tooling assembly are provided. A relief area is defined between the bubble station upper punch and the bubble station lower punch. A relieved bubble is formed on the shell. The shell is formed into a can end. The relieved bubble is formed into a rivet button. Finishing operations are performed on the can end.

The utility model relates to a mould exhaust structure of annular injection product, and relates to the technical field of mould exhaust structure, including upper die and lower die, the upper die is connected with upper insert needle, the lower die is connected with lower insert needle, the upper die is equipped with forming cavity, the upper end portion of lower insert needle extends to the forming cavity and is with the lower end portion of upper insert needle is low, the utility model discloses solve the device in traditional technology when producing thin -walled annular product, adopt inside multiple runner and glue, when the average wall thickness of product is very thin, the velocity and pressure will be greater, if exhaust does not guide out mould, will produce bubble between runner and runner, affect the problem of product yield.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

The application provides a vacuum mixing process optimization method and system, which comprises collecting mixing container cavity pressure, jacket temperature, material torque, stirring speed, and air extraction flow signal, calculating pressure change rate, torque fluctuation amplitude, air extraction amount per unit time, and pressure fluctuation characteristic quantity, dividing the vacuum mixing process into four stages of initial exhaust, bubble release, viscosity climb, and densification stability; in the initial exhaust section, the vacuum valve opening degree and time length are controlled according to the air extraction amount and the pressure change rate, and the pressure response delay is recorded; in the bubble release section, an air extraction and stop alternating sequence is generated, and the air extraction and stop time length is corrected in combination with the delay; in the viscosity climb section, the target pressure interval is determined according to the torque, temperature, and pressure change rate, and the speed and valve opening degree are cooperatively adjusted to stabilize the pressure; in the densification stability section, a stability criterion is constructed, and the valve opening degree is controlled as needed; when adjacent stages are switched, the target pressure starting point, valve opening degree initial value, speed initial value, and control period of the next stage are corrected according to the end parameters of the previous stage.