2533results about "Mixing methods" patented technology

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.

Various systems, devices, and methods for a ratchet system for a gas canister in a beverage system are provided. In general, a beverage system is configured to form a beverage and dispense the beverage into a container. The beverage system can be a carbonation system configured to form a carbonated fluid and dispense the carbonated fluid into a container. In an exemplary embodiment, the beverage system includes a ratchet system configured to provide feedback to a user indicating that a gas source, such as a CO2 canister for a carbonation system, has been properly coupled to the beverage system. The feedback is configured to be provided to the user automatically in response to the gas source being properly coupled to the beverage system.

The invention relates to the field of petrochemical equipment, and discloses a cobweb-shaped oil-water emulsification turbulator with turbulent flow fins, which comprises an oil-water emulsification pipe, a cobweb-shaped turbulator arranged in the oil-water emulsification pipe, and annular fins and bent fins fixed on the inner side of the pipe wall of the oil-water emulsification pipe, the annular fins and the bent fins are distributed in the axial direction of the oil-water emulsification pipe, the bent fins are arranged close to the cobweb-shaped spoiler, and a gap for fluid circulation is formed between the bent fins and the cobweb-shaped spoiler. A multi-scale composite turbulent flow field is constructed through cooperative cooperation of the annular fins, the bent fins and the cobweb-shaped spoilers, the annular fins can effectively damage a boundary layer of a pipe wall and enhance local shear force, so that oil drops leaning against the wall are separated from the pipe wall and guided to a central area of a pipeline, and the bent fins further guide fluid to deviate towards the center so as to reduce flowing dead zones. The net-shaped structure of the cobweb-shaped spoiler is used for continuously stretching, shearing and secondarily crushing oil drops, and the oil-water mixing uniformity and the emulsifying efficiency are remarkably improved under the combined action of the three parts.

According to the emulsion mixing equipment applied to the mixing field and used for aluminum oxide composite fiberboard production, through a guide cylinder which forms an annular gap with the inner wall of a tank body in an enclosing mode and a stirring assembly arranged on the lower portion of the guide cylinder, raw materials circularly flow between the annular gap and an inner cavity of the guide cylinder, and the stirring assembly and a shearing assembly act synergistically; firstly, raw materials fully flow, components are promoted to be uniformly dispersed, local concentration difference is avoided, a foundation is laid for stable emulsification, agglomeration and precipitation are reduced, the emulsification efficiency and quality are improved, meanwhile, by means of a plurality of heat exchange structures such as a tank shell wall cooling clamping cavity, a spiral heat exchange pipe, an emulsification stator inner heat exchange channel and a guide cylinder shell wall spiral channel, sufficient heat exchange is achieved, and the emulsification efficiency and quality are improved. The raw material temperature is effectively controlled, heat accumulation and overheating are reduced, and the gelation probability is reduced.

The utility model relates to a system for reducing the acid value of hydrolysate in the separation and washing process of dimethyl dichlorosilane hydrolysate. Comprising three stages of coalescers, dimethyl dichlorosilane acidic hydrolysate enters the system from the first stage of coalescer, process water enters the system from the third stage of coalescer, the acidic hydrolysate and diluted hydrochloric acid or process water are mixed in each stage of coalescer, oil-water two-phase separation is completed through multiple times of washing and coalescence, and meanwhile the acid value of the hydrolysate is reduced; each stage of coalescer comprises two static mixers connected in series, a group of prefilters and a large coalescer, the coalescer is Z-shaped, and four stages of filter elements are arranged in each stage of coalescer. Through repeated tests, a modified polyvinylidene fluoride filter element of Pall Company is finally selected, and after continuous three-stage coalescer treatment, the acid value of dimethyldichlorosilane hydrolysate can be reduced to 10 PPM or below.

A preparation equipment and a process for a nylon salt solution. The preparation equipment includes a suspension preparation device, a first salt formation reactor and a second salt formation reactor. The suspension preparation device includes a feeding unit, a continuous feeding unit, a high-shear pump and a mixing reactor, the high-shear pump and the mixing reactor are cyclically connected with and in communication with each other through two connecting pipelines; the second salt formation reactor includes a second diamine feed pipe, a third diamine feed pipe, a circulation pipeline of the second salt formation reactor and an online near-infrared monitoring equipment located on the circulation pipeline of the second salt formation reactor.

The invention relates to the field of water pollution abatement, in particular to an underwater micro-nano bubble generator and a using method thereof.The underwater micro-nano bubble generator comprises a bubble cutting pipe, a bubble cutting generating device is arranged in the middle of the bubble cutting pipe, and an erecting fixing plate is arranged at the front end of the bubble cutting pipe; a plurality of first venturi tubes are arranged on the erected fixing plate, each first venturi tube comprises a first liquid inlet section, a first compression section and a first expansion section, a water passing pipe is connected between the first expansion section and the bubble cutting tube, and an air inlet which is the same as the interior of the first venturi tube is fixedly formed in the first venturi tube; and a second Venturi tube is fixedly mounted at the rear end of the bubble cutting tube, so that the problems that a micro-nano bubble generator in the prior art is relatively high in cost, water and gas cannot be preliminarily mixed before bubble cutting, and the damage resistance is poor can be solved.

The present invention relates to devices and systems for generating nanobubbles. The present invention also relates to methods of generating nanobubbles. The devices, systems and methods of present invention generate nanobubbles by employing one or more mechanism such as cavitation hydrodynamics, shearing force mechanism, baffle jet system and membrane-based diffusion. The devices, systems and methods of present invention produce uniformly sized nanobubbles and find applications in preparing stable nanobubble-infused beverages with high concentration of nanobubbles.

A carbonation device for beverages includes a carbonation tank to receive a beverage to be carbonated and carbon dioxide so as to generate a carbonated beverage, carbonated with the carbon dioxide, and a dispensing device in fluid communication with the carbonation tank to dispense, through a duct, the carbonated beverage to a container for carbonated beverages, the carbonated beverage flowing along the duct in a flow direction.The carbonation device further includes a carbonation sensor associated with the duct and having a radiation source to generate a radiation which strikes the duct along an irradiation direction incident to the flow direction.The carbonation sensor also includes a first photodiode placed on the irradiation direction from a side opposite to the radiation source with respect to the duct, or as an alternative, a second photodiode placed along a diffusion direction substantially orthogonal to the irradiation direction.

Systems and methods for delivering a gas, such as nitric oxide, are provided. In some embodiments, systems and methods are provided for delivering a gas, such as nitric oxide, in the form of nanobubbles and / or a dissolved gas using a liquid medium.

The invention provides a macroscopic efficient flowing high-shear dispersing and emulsifying machine and a reaction kettle comprising the same. The high-shear dispersing and emulsifying machine is characterized in that a conjoined body is mounted above a motor; the stator is installed above the connecting body and comprises a cylindrical side wall, and a plurality of eccentric teeth which are arranged at intervals are arranged at the upper end of the cylindrical side wall in a surrounding mode; a plurality of straight teeth which are arranged at intervals are arranged at the lower end part of the side wall of a rotor main body of the rotor in a surrounding manner; the straight teeth are matched and meshed with the eccentric teeth; one end of the main transmission shaft is connected with a rotating shaft of the motor, the other end of the main transmission shaft penetrates through the conjoined body and the stator and is connected with the rotor, and the motor drives the main transmission shaft to drive the rotor to rotate at high speed. According to the invention, a stirrer does not need to be additionally arranged, the microcosmic dispersing and emulsifying capacity and the good macroscopic flow characteristic can be simultaneously realized, the material treatment efficiency can be improved, the equipment investment cost, the energy consumption cost and the maintenance cost are reduced, and the investment of manpower and material resources is reduced.

The invention discloses a BUB bubble conveying system for a semiconductor production process and a control method, and belongs to the technical field of bubble conveying control, and the method specifically comprises the steps: in a fluid conveying pipeline of the semiconductor production process, generating a bubble group through a bubble generator, and adjusting the bubble generation frequency and volume distribution based on a liquid impedance feedback signal, the flow velocity, pressure and bubble distribution parameters of process liquid are collected, a pre-trained flow field prediction model is used for analyzing the bubble gathering trend, when the transmission retardation risk is detected, the opening degree of a micro valve is automatically adjusted, a bubble path is shunted, and a micro-pulse air pressure signal is applied to the throttling section of the semiconductor production process fluid conveying pipeline. Dynamically matching the bubble rupture phase with the fluid viscosity, and switching to a reverse bubbling mode to perform self-cleaning on the pipeline when detecting that the bubble residue exceeds a threshold value; linkage regulation and control of the multi-node micro valve are achieved, and the uniformity, repeatability and safety of fluid conveying can be kept in long-term operation.

To provide a static mixing apparatus for producing long-term sustainable ozone water that can be easily downsized and can sustain an ozone density for a long term even when inflow pressure of liquid is low.SOLUTION: A static mixing apparatus (40) produces long-term sustainable ozone water having ozone gas sustained for a long term, from liquid mixed with ozone including ozone gas. The static mixing apparatus comprises a static swirl flow generating part (41), arranged in a first tube (TU), which makes the liquid mixed with ozone conveyed from the first tube generate swirl flow, and a cavitation generating part (44), arranged in the first tube, which makes the liquid mixed with ozone swirled in the swirl flow generating part generate cavitation. The cavitation generating part (44) includes a shaft part, a first unit (441) in which a predetermined number of fins are arranged at a first angle around the shaft with respect to a direction of the first tube, and a second unit (442) in which a predetermined number of fins are arranged at the first angle around the shaft part.SELECTED DRAWING: Figure 2

A fire-foam generator (1) comprising a mixing device (2) and an air injection device (3). The mixing device (2) extends along a main axis (X-X) and comprises an inner chamber (20) and an outer chamber (21) extending along and around the inner chamber (20), an inlet mouth (22) for the inlet of a foaming solution into the inner chamber (20) and an outlet mouth (23) for the outlet of the fire-fighting foam from the outer chamber (21). The mixing device (2) comprises a plurality of radial openings (24) for the passage of the foaming solution from the inner chamber (20) to the outer chamber (21). The air injection device (3) comprises an injection channel (30) to introduce compressed air directly into the outer chamber (21).

The invention provides a hydrogen-rich water concentration dynamic adjustment method, and relates to the field of concentration adaptive adjustment, and the method comprises the following steps: S1, data acquisition; step S2, data preprocessing; s3, key influence factors are extracted; s4, acquiring the initial concentration of the hydrogen-rich water; and S5, obtaining the optimized concentration of the hydrogen-rich water: obtaining a dynamic concentration adjustment amount, an extreme environment adjustment amount and an implicit stress adjustment amount through reinforcement learning dynamic optimization, extreme environment adaptation and implicit stress early warning, and obtaining the final concentration of the hydrogen-rich water. According to the method, self-adaptive adjustment of the concentration of the hydrogen-rich water can be performed according to the growth state of the plant and environmental factors, the accuracy of the concentration of the applied hydrogen-rich water is ensured, and the problem that normal growth of the plant is affected due to too high or too low concentration of the hydrogen-rich water is avoided.

The application discloses a kind of nanocellulose modified acrylic water-based emulsion and its preparation method and application, it is related to the technical field of polymer composite.A kind of modified acrylic water-based emulsion includes 180-220 parts of acrylate monomer, 45-60 parts of functional monomer, 3-5 parts of nanocellulose liquid, 4-6 parts of emulsifier, 1.5-2 parts of initiator, 2-3 parts of sodium bicarbonate and 275-300 parts of deionized water, wherein functional monomer includes hydroxy acrylate, acrylonitrile and fluorine-containing acrylate.By using fluorine-containing acrylate with nanocellulose to modify acrylic emulsion, water-based emulsion with good film-forming performance can be prepared, and the formed coating has good adhesion, stain resistance, heat oil resistance and mechanical strength, if the water-based emulsion is applied to the surface modification of filter material, not only can improve the hand feeling of filter material, but also can improve the stain resistance and service life of filter material surface.

The invention discloses a microsphere-shaped ceftiofur hydrochloride nanoemulsion injection preparation device and a production process, and relates to the technical field of injection preparation equipment, and the microsphere-shaped ceftiofur hydrochloride nanoemulsion injection preparation device comprises a sterile tank body and a supporting piece; a first mounting frame and a second mounting frame are arranged on one side of the supporting piece, the first mounting frame is rotationally connected to the supporting piece, the second mounting frame is rotationally connected to the first mounting frame, the rotating axis of the first mounting frame is perpendicular to the rotating axis of the second mounting frame, and the sterile tank body is fixedly connected with the second mounting frame; the axis of the sterile tank body is eccentrically arranged relative to the rotating axis of the second mounting frame, and the sterile tank body rotates around the rotating axis of the first mounting frame while rotating along with the second mounting frame, so that the sterile tank body does three-dimensional compound motion in the space; a stirring disc is movably arranged in the sterile tank body, and the stirring disc can reciprocate in the sterile tank body along the axis direction of the sterile tank body by virtue of the gravity of the stirring disc. The device has the effects of enhancing the material mixing effect and the sampling randomness.

The invention discloses a preparation method of plasma activated water based on a micro-nano bubble synergistic effect, and mainly solves the technical problems that the generation efficiency of liquid-phase active particles in the plasma activated water prepared by the existing method is low, the chemical activity of the plasma activated water is difficult to maintain and the like. The preparation method comprises the following steps: introducing micro-nano bubbles into pure water until the pure water is saturated to obtain micro-nano bubble water; then performing plasma activation treatment on the micro-nano bubble water within 3 minutes to obtain plasma activated water based on the micro-nano bubble synergistic effect; the gas adopted by the micro-nano bubbles is one of air, oxygen, nitrogen or helium. The chemical activity of the plasma activated water is enhanced, the maintenance time of the activity of the activated water is greatly prolonged, efficient production and long-acting storage of the plasma activated water are facilitated, and the method has great significance in biomedical application of the plasma activated water.

The invention discloses an organic silicon defoaming composition for an anti-cancer drug and a preparation method of the organic silicon defoaming composition, and relates to the technical field of defoaming agents. The organic silicon defoaming composition is prepared from the following raw materials in parts by weight: 60 to 70 parts of polyether modified silicone oil, 10 to 15 parts of fumed silica, 4 to 6 parts of a surfactant, 3 to 6 parts of a dispersing agent, 1 to 2 parts of a thickening agent, 5 to 8 parts of a stabilizer and 20 to 30 parts of deionized water. The organic silicon defoaming composition prepared by the invention has good defoaming and foam-inhibiting performance, dispersing performance and high-temperature stability.

The invention relates to the technical field of polyurethane resin processing, and discloses a polyurethane resin processing emulsifying kettle which comprises an emulsifying kettle body installed on the inner side of a rack, a controller is installed on the outer side of the rack, and a movable plate is slidably connected to the top of the rack. After the driving motor is started, the output shaft is rigidly connected with the stirring rod through the coupler to transmit rotating power, when the motor runs, the reciprocating screw rod at the middle end of the stirring rod is synchronously driven to rotate, the reciprocating screw rod is sleeved with the sliding block, and the top of the sliding block is slidably connected with the fixing shaft through the sliding sleeve. Due to guide limitation of the fixed shaft, the sliding block cannot rotate along with the lead screw and can only do up-down reciprocating motion along the shaft, the sliding block is automatically reversed when reaching the limiting position of the spiral groove, the fixed disc on the outer side of the sliding block synchronously moves, the movable rod in the annular groove drives the cleaning ring to slide in a mode of being attached to the stirring rod, the nylon scraper on the inner side scrapes material residues, waste is reduced, and the cleaning efficiency is improved.

A solution applicator assembly comprises an upper body defining an upper channel. The upper body further includes a primary inlet fluidly connected to the upper channel. A lower body defines a lower channel being fluidly connectable to the upper channel to define a central channel. The lower body further defines a primary outlet fluidly connected to the lower channel. A flow control insert is removeably receivable in the central channel for receiving a chemical solution from the upper channel and releasing the solution into the lower channel. The upper body and the lower body are removeably connectable to one another to selectively allow the flow control insert to be removed and positioned in the central channel.

Suppressing methane gas emissions from paddy rice cultivation is extremely important as a measure against global warming. The challenge here is to achieve both improved rice productivity and environmental protection. Specifically, this involves developing a device that can generate large quantities of high-concentration ultrafine bubble (UFB) water in a short time, by adding methane gas emission suppression to the UFB water. [Solution] The UFB generating apparatus of the present invention incorporates a variable-speed rotary stirring device into a UFB generation tank, and this tank is filled with sandy material. By supplying gas and water to this tank at high pressure, the sandy material layer of gas, water, and sandy material is liquefied. By rapidly rotating this liquefied layer with the rotary stirring device, the gas is confined in the pore water of the liquefied layer and then finely fragmented. Furthermore, by using sandy steel slag as the sandy material, in addition to the UFB effect, methane generation due to silica, lime, and iron oxide is suppressed and crop yields are improved.

The utility model discloses a mobile phase mixer applied to a liquid chromatograph, which comprises a shell, two ends of the shell are respectively provided with an inlet and an outlet, and a mixing turbulent flow component and a shunting diffusion component are arranged in the shell; the mixed turbulent flow assembly comprises a turbulent flow column and a turbulent flow ring which are arranged at the inlet position of the shell, the turbulent flow column is matched with the turbulent flow ring, so that a mobile phase passes through a gap between the turbulent flow column and the turbulent flow ring, and a plurality of sections of spirals with opposite rotation directions are arranged on the outer wall of the turbulent flow column; the shunting diffusion assembly is arranged at the rear stage of the mixed turbulent flow assembly and comprises a sleeve filled with shunting balls, and sieve plates are arranged at the two ends of the sleeve. According to the utility model, two or more mobile phases can be effectively mixed, so that liquid is effectively mixed in the mixing cavity, and the full mixing effect is achieved through the continuous change of the states of convergence, diffusion, spiral vortex, diffusion and the like.

The present invention is in the field of stirring, and particularly relates to a stirring assembly including a rotary shaft and a stirring member. The stirring member is fixedly provided on the rotary shaft. The rotary shaft is provided with a first passage therein. The first passage is formed with an air inlet through one end of the rotary shaft. The stirring member is provided with a second passage therein. The second passage is formed with an air outlet through the stirring member. The second passage is connected with the first passage. In the present invention, when the rotary shaft is rotating, the external air is drawn in from the air inlet and discharged from the air outlet to make the liquid to be mixed by the stirring member with the air discharged from the air outlet.

The invention belongs to the technical field of oil exploitation, and particularly relates to a nano bubble generator, a nano bubble preparation method and a method for improving recovery efficiency by using nano bubbles, the nano bubble generator comprises a bubble generator main body, a containing cup and at least one bubble water filter plate, the mesh apertures of the adjacent bubble water filter plates are different, and the containing cup is arranged in the containing cup. The mesh diameter of the bubble water filter plate close to the water inlet end is larger than that of the bubble water filter plate close to the water outlet end. According to the bubble water filter plate disclosed by the invention, nano bubble water is converted into the nano bubble water through an extrusion shearing effect and is extruded out of the meshes, large bubble water can be converted into the nano bubble water, and the gas mixing uniformity is good; by using the nano-bubble method, the injection pressure during water flooding is effectively improved, the swept volume is enlarged, the flowing direction of oil and water is microscopically regulated and controlled, the oil washing efficiency is improved, and residual oil which is difficult to extract by conventional water flooding is effectively displaced.

The invention relates to the technical field of stirring and emulsifying, and particularly discloses a plant growth regulator stirring and emulsifying device which comprises a tank body, a middle shaft is coaxially and rotatably assembled in the tank body, an emulsifying assembly is arranged on the middle shaft, and an upper hopper body and a lower hopper body are further arranged in the tank body and used for buffering powder and liquid materials respectively; a material barrel is arranged on the emulsifying assembly, a sealing partition plate is arranged in the material barrel, the sealing partition plate can ascend and descend in the material barrel along with rotation of the emulsifying assembly, and an upper cavity is formed between the top of the sealing partition plate and the material barrel; according to the stirring and emulsifying device for the plant growth regulator, automatic supplementing and adding of powder auxiliary materials and liquid auxiliary materials in the charging barrel are achieved through lifting of the sealing partition plate, the auxiliary materials can be directly added from the middle of the materials, the time for gradually permeating and dispersing the auxiliary materials downwards from the position above the liquid level is shortened, the dispersing efficiency of the auxiliary materials in the materials is improved, and the stirring and emulsifying efficiency of the plant growth regulator is improved. The mixing speed of the materials and the auxiliary materials is accelerated.

The present technology presents an apparatus for cleaning the air and surfaces within an enclosed space of a viral, microbial, or malodor contamination. In an exemplary embodiment, the apparatus includes: a container configured to contain a water and a solid or gel pack that releases the gaseous cleaning agent upon contact with the water; an aerator housed in the base of the container; an air distributor in the container configured to distribute air from the aerator into the container to cause agitation of the water and release of gaseous agent; and a lid on the container having an opening configured to accelerate an air-borne spray of gaseous agent and water droplets therethrough into the surroundings.

The invention relates to a continuous wet oxidation device for enhanced mass transfer treatment of high-salinity organic wastewater. The continuous wet oxidation device comprises a wastewater storage tank, a liquid inlet system, a high-pressure oxygen storage tank, a gas inlet system, a mass transfer enhanced reactor, a gas-liquid separation system and an oxygen recovery system, the mass transfer enhanced reactor is of a shell-and-tube structure and comprises a reactor shell and a built-in ceramic distributor; a tube pass is formed in the ceramic distributor, and a shell pass is formed between the ceramic distributor and the reactor shell; the tube pass is provided with a liquid feeding port and a liquid discharging port, and the shell pass is provided with a gas feeding port. Oxygen is distributed to a tube pass through the ceramic distributor and is quickly dispersed into micron-sized bubbles, so that the contact area between gas and liquid is increased, and the oxygen utilization rate and the reaction efficiency are improved.

The application discloses a kind of microbubble reinforced ozone catalytic oxidation sewage treatment devices, including reactor body, mixer, overflow pipe, catalyst layer, reactor body top is provided with rotating shaft, rotating shaft one end is connected with motor, the other end is connected with rotating cylinder, rotating cylinder bottom is connected with connecting shaft, connecting shaft both sides are provided with rotating rod, and cutting blade is arranged on rotating rod;The inside of reactor body is provided with baffle, and aerator is arranged on baffle;Air inlet, air outlet are opened on the side wall of reactor body;Water inlet, water outlet are opened on the side wall of reactor body, water inlet pipe passes through water inlet and extends into rotating cylinder, and the side wall of water inlet pipe inside rotating cylinder is provided with first small hole and water inlet pipe top end is closed;Mixer is located below baffle and above catalyst layer;Overflow pipe one end is located above baffle, and the other end passes through baffle and is communicated with mixer;The device solves the problem of low efficiency and high energy consumption of existing ozone sewage treatment equipment.

The invention relates to the technical field of nanotechnology, and discloses a high-concentration nitrogen nanobubble generation method based on multi-mechanism synergy, which comprises the following steps of: simultaneously applying a multi-stage vortex for generating turbulent flow and shearing force and periodically pressurizing and depressurizing the inside of a cavity to a water sample of supersaturated dissolved nitrogen flowing into the cavity, and in the process of reducing the pressure in the cavity, a pulse electric field which is synchronous with the frequency and the phase of the periodic pressure increasing and reducing is applied, and coalescence between interfaces of the continuously generated initial nanobubbles is inhibited through the pulse electric field. A pressure oscillation cavity of the device is provided with a water sample input port and a target concentration nitrogen nanobubble water sample output port, a multi-stage eddy current system for generating turbulent flow is fixedly arranged in the cavity, a pressure adjusting system capable of forming periodic pressure oscillation is communicated with the outside of the cavity, and an electric field generating system containing a relative electrode and a pulse power supply is arranged in the cavity. And the self-adaptive control unit monitors the pressure oscillation frequency and phase in real time and controls the pulse power supply to output a synchronous pulse electric field in a voltage reduction stage.