397results about How to "Improve atomization efficiency" patented technology

The invention relates to a method and system for preparing a particle-reinforced metal-based composite material through injection molding. Ceramic reinforced particles and high-pressure inert gas are uniformly mixed in an acceleration nozzle to be used as an atomizing medium, thereby improving the density, momentum and impact force of the atomizing medium, obviously enhancing the atomization effect and reducing the inert gas consumption as compared with the atomization based on the single use of inert gas. After atomization is completed, the ceramic particles are uniformly dispersed in atomized molten drops, and the molten metal drops doped with the reinforced particles are gradually solidified in the flying process and are ultimately deposited, solidified and molded on a receiver, thus obtaining the high-performance metal-based composite material of which the ceramic reinforced particles are uniformly distributed. In addition, the ceramic reinforcements used in the invention are prepared by a reaction and ball milling method, thereby ensuring that the reinforced particles better in strength, interface stability, high-temperature performance and other aspects can be prepared at a low cost.

The invention discloses an acoustic surface wave electronic cigarette system which comprises a piezoelectric substrate (1), a liquid guide cavity (2), an atomization cavity (3) and feed ports (4). Thefeed ports (4) are used for loading high-frequency signals. The liquid guide cavity (2) and the atomization cavity (3) are arranged on the upper side of the piezoelectric substrate (1); an isolationplate (13) is arranged between the liquid guide cavity (2) and the atomization cavity (3); the feed ports (4) are arranged on the outer side of the piezoelectric substrate (1). The acoustic surface wave electronic cigarette system has the advantages that aerosol generated by the acoustic surface wave electronic cigarette system by means of atomization has small particle sizes, accordingly, the acoustic surface wave electronic cigarette system is high in smoking comfort, and aroma is mellow and exquisite.

The invention relates to a mobile type indoor disinfectant vapor disinfection system, which comprises a disinfectant vapor generation device, a wireless intelligent control system, a power-driven device, an environmental monitoring device, an air supply device, a mobile device and a disinfectant storage device. The disinfectant vapor generation device comprises a disinfectant vapor three-level refinement system, a filtering and catalyzing integrated system and a vapor generation control device; the air supply device supplies secondary power for scattering vapor in a space; and the wireless intelligent control system is communicated with the environmental monitoring device, the air supply device and the power-driven device so as to finish the operations of controlling the disinfectant vapor generation device, acquiring environmental parameters, and switching on/off the air supply device and the power-driven device in a disinfection target. The mobile type indoor disinfectant vapor disinfection system can intelligently, comprehensively and efficiently finish the disinfection operation of a closed space of large-sized equipment and is particularly suitable for the disinfection operation of a closed space with long and narrow passages, so that the mobile type indoor disinfectant vapor disinfection system has the advantages of strong maneuverability, high disinfection efficiency, no secondary pollution, and the like.

The invention discloses a heating assembly for an electronic cigarette. The heating assembly comprises a liquid guide ceramic body, a heating wire and a fixed seat, wherein an accommodating cavity is formed in the fixed seat, the liquid guide ceramic body is fixed in the accommodating cavity, an inlet and an outlet which are communicated with the accommodating cavity are formed in the both ends of the fixed seat, a cigarette liquid inlet communicated with the accommodating cavity is opened in the sidewall of the fixed seat, a fixing hole penetrates in the liquid guide ceramic body, an orifice at one end of the fixing hole is opposite to the inlet, and an orifice at the other end of the fixing hole is opposite to the outlet; and the heating wire is fixed in the fixing hole, in contact with the wall of the fixing hole, and electrically connected with the fixed seat. The heating assembly disclosed by the invention is high in atomization efficiency and reliability, and moreover, the generated cigarette smoke is good in taste.

The invention provides an atomization device and a nozzle thereof. The nozzle comprises a groove seat and an air flow guiding structure. The groove seat is provided with an air inlet, an air conveying pipe, a liquid storing tank and a liquid conveying structure. The air conveying pipe is provided with an air inlet end and an air outlet end. The liquid conveying structure extends from a liquid storing tank to the air outlet end. The air flow guiding structure includes an air flow guiding channel and a stopper. A first opening of the air flow guiding channel communicates with an air inlet. The stopper is arranged in front of the air outlet end. The stopper is provided with a protruding curved surface which faces the air outlet end. An air flow sprayed from the air outlet end strikes to the protruding curved surface and flows to a second opening of the air flow guiding channel. Air in the air inlet is guided to the first opening. The air inlet is arranged at the groove seat and the stopper with the protruding curved surface is arranged in front of the air outlet end to increase the atomization efficiency.

The invention discloses a side exhaust Venturi paint spraying chamber. The chamber comprises a dynamic pressure chamber, a workshop, an air supply device, an air flow guide device, a waste paint adsorption device, a waste paint catching device and an exhaust device, wherein a grid plate is arranged at the bottom of the workshop; the waste paint adsorption device comprises a waste mist generation device; the water mist discharge end of the waste mist generation device is connected with a water mist conveying channel; a spraying device is arranged in the water mist conveying channel; a sewage collection device is arranged on the lower part of the spraying device; and the exhaust device is arranged at the outlet of the water mist conveying channel. The waste mist generation device can atomize a large amount of water, so that the capacity of adsorbing paint mist is enhanced; and the spraying device intercepts most of waste paint-containing waste mist in the sewage collection device when water mist on which waste paint is adsorbed is discharged through the water mist conveying channel, and the residual paint mist-doped air passes through the waste paint catching device and is intercepted for the second time when continuously discharged, so that the rate of adsorbing the paint mist is further improved, and the environment is protected.

The invention relates to a supersonic atomizing nozzle with a two-stage laval and hartmann combined structure. The supersonic atomizing nozzle comprises a liquid guide cavity, wherein a nozzle orifice is formed in the lower part of the liquid guide cavity; an annular high-pressure air inlet cavity surrounds the liquid guide cavity; an air inlet passage is formed in the inner side wall of the annular high-pressure air inflow cavity; the annular high-pressure air inflow cavity is communicated with the nozzle orifice through the air inlet passage; the air inlet passage is of a cross hartmann two-stage resonance tube structure which is formed by communicating an inlet guide pipe, an outlet guide pipe, a first-stage resonance tube and a second-stage resonance tube; the inlet guide pipe and the first-stage resonance tube are arranged on the same straight line; the outlet guide pipe and the second-stage resonance tube are arranged on the same straight line; the tail ends of the first-stage resonance tube and the second-stage resonance tube are sealed; the inlet guide pipe and the outlet guide pipe are reducer pipes with characteristics of a laval pipe. Compared with the prior art, the supersonic atomizing nozzle disclosed by the invention has the advantages that the characteristics of the laval pipe and the cross hartmann resonance tubes are combined to form the air inlet passage with the annular ring structure, so as to obviously improve the nozzle atomizing efficiency, lower the diameter of the atomized particles and narrow the particle size distribution.

The invention discloses a natural focusing type ultrasonic atomization nozzle. The technical problems, such as large volume, invalid liquid splashing at a center hole, large air consumption, small maximal liquid flow, short spraying distance, of a natural scattering type atomization nozzle in the prior art are solved. According to the technical scheme, the natural focusing type ultrasonic atomization nozzle comprises an ultrasonic atomization energy converter, an air channel, a liquid nozzle and an outer shell, wherein the ultrasonic atomization energy converter is arranged in the outer shell; the liquid nozzle is fixedly arranged under the outer shell through a damping supporting mechanism; the air channel is arranged in the middle of the ultrasonic atomization energy converter; the ultrasonic atomization energy converter comprises a piezoelectric vibration pile and an ultrasonic amplitude transformer; the piezoelectric vibration pile is arranged in the outer shell; the ultrasonic amplitude transformer is located in the liquid nozzle; an atomization head end face is arranged on the bottom end face of the ultrasonic amplitude transformer; a nozzle liquid outlet of the liquid nozzle is concentrically surrounding the atomization head end face; a nozzle liquid inlet of the liquid nozzle is arranged on the upper part of the liquid nozzle. The natural focusing type ultrasonic atomization nozzle has the advantage that high-precise high-efficient ultrasonic atomization spraying can be realized.

The invention relates to a laval and hartmann structure integrated type supersonic-speed atomizing nozzle. The nozzle comprises a drainage cavity, wherein a nozzle hole is formed in the lower side of the drainage cavity, an annular high-pressure air inlet cavity surrounds the drainage cavity, an air inlet channel is formed in the inner wall of the high-pressure air inlet cavity which is communicated with the nozzle hole through the air inlet channel, the air inlet channel is of a cross-shaped hartmann two-stage resonating tube structure which is formed after an inlet conduit, an outlet conduit, a primary resonating tube and a secondary resonating tube are communicated, the inlet conduit and the primary resonating tube are located on the same straight line, the outlet conduit and the secondary resonating tube are located on the same straight line, the tail end of the primary resonating tube and the tail end of the secondary resonating tube are closed, the inlet conduit is a reducing channel which has the features of a laval tube, and the outlet conduit is a reducing channel which has the features of a compression tube. Compared with the prior art, the nozzle has the advantages that due to the fact that a laval tube and a cross-shaped hartmann resonating tube are integrated to form the air inlet channel which is of an annular ring structure, nozzle atomization efficiency can be improved remarkably, the diameter of an atomization particle can be reduced, and particle size distribution can be narrowed.

The invention relates to a bubble atomizing nozzle and an adjusting method of the bubble atomizing nozzle. The bubble atomizing nozzle comprises a multi-channel air intake structure consisting of two or more layers of sealing rings, or an external part of an air intake structure of a swirl groove, and an external part having a diffusion conical spray hole, a jackscrew hole and an air-liquid inlet quick mounting joint, wherein the internal part is directly inserted in the external part to assemble the nozzle; the internal part and the external part are sealed by an O-shaped rubber ring and fixed by a jackscrew; and a space between the internal part and the external part is a mixing chamber. The flowing resistance of the internal part is lower, so that the pressure of the mixing chamber can be kept in a higher range, and the atomizing efficiency of the nozzle is higher; a bubble flow formed in the air-liquid two-phase mixing process in the mixing chamber is uniform and stable, so that the stable atomizing effect is realized under the low-air-liquid mass flow ratio (between 0.07-0.1); and the working pressure is low, and the liquid flow is low, so that the stable atomization can be kept under the liquid flow of 3.5-6.0 kg/h and the absolute air-liquid inlet pressure of 0.36-0.40 MPa. The bubble atomizing nozzle is applied to such fields as chemical engineering, motive power and heating and ventilation.

The invention provides a self-adjusting type intelligent atomizing core which comprises a body and a printing resistor arranged on the upper surface of the body. The aperture of crystalline grains inthe body is increased from top to bottom. Due to the big-end-down aperture of the crystalline grains, cigarette liquid can conveniently permeate through the crystalline grains from bottom to top and can be prevented from flowing downward, the upward moving cigarette liquid in a liquid inlet groove can press against the downward movement of the atomized cigarette liquid and the cigarette liquid pressed by the atomized cigarette liquid to move downward, the volatilizing efficiency of the atomized cigarette liquid is improved, and the atomizing efficiency of the cigarette liquid is improved. Dueto the design, the invention further provides a manufacturing method of the self-adjusting type intelligent atomizing core. The manufacturing method includes the steps of sequential overlapping of a plurality of ceramic layers, calcinating, silk-screening and sintering. The method is simple in process and reliable.

The present invention provides a liquid atomizer for atomizing liquid and applied in an atomizing device having an accommodating space and a through hole. The liquid atomizer includes a vibrating element having a first hole corresponding to the through hole; a spray plate having a plurality of spraying holes corresponding to the first hole and being connected with the vibrating element; and a structure element having a second hole corresponding to the plurality of spraying holes of the spray plate and being connected with the spray plate so that the spray plate is disposed between the vibrating element and the structure element. The vibrating element, the spray plate and the structure element are assembled in the accommodating space of the atomizing device. Liquids are atomized via the spraying holes of the spray plate.

The invention discloses a liquid-coated gas desulfurizing/atomizing nozzle which comprises an internal tapered slurry nozzle and an internal tapered gas nozzle, wherein the gas nozzle is arranged in the slurry nozzle, a gap is formed between the outer wall of the gas nozzle and the inner wall of the slurry nozzle, the outer wall of the slurry nozzle is provided with a slurry inlet pipe, and the internal circumferential surface of the slurry nozzle is a thread surface. Pressure gas subjected to pressurization is fed into the gas nozzle with an internal tapered end, further compressed, jetted out from the gas nozzle, and then converged with slurry in a tapered jet chamber of the slurry nozzle so as to form 'liquid-coated gas'; and under the action of high speed and pressure difference, the 'liquid-coated gas' is broken, and liquid drops are separated and broken and finally jetted out by the slurry nozzle, so that the slurry is efficiently atomized, thereby achieving an optimal flue gas desulfurization effect. The slurry inlet pipe is communicated with the gas nozzle in an obliquely-tangential direction, and the installation angle is consistent with the spiral angle of a thread structure, thereby further facilitating the formation of a natural spiral rotational flow when the slurry is fed into a slurry cavity, and facilitating the formation of the 'liquid-coated gas'.

The invention relates to a metal atomization device for the secondary injection of a rotary film, which comprises an input liquid metal jet supplying part; a ring-shaped atomization combined nozzle is formed concentrically with an input liquid metal jet center; a rotating impact platform is arranged at the lower part of the ring-shaped atomization combined nozzle which is provided with an upper nozzle and a lower nozzle; the airstream jetting direction of the upper nozzle is in a downward centrifugal direction to impact the rotary film formed when the impact platform is impacted by the input metal jet, thereby breaking a formed film; the airstream jetting direction of the lower nozzle is in a downward central direction and forms an effective cross angle with the airstream jetting direction of the upper nozzle, thereby impacting the broken liquid metal particles of the formed film and realizing secondary breaking. By adopting the device, better atomization effect and finer metal droplets and powders can be obtained.

The invention relates to a supersonic atomizing nozzle with a single-stage laval and hartmann combined structure. The supersonic atomizing nozzle comprises a liquid guide cavity, wherein a nozzle orifice is formed in the lower part of the liquid guide cavity; an annular high-pressure air inflow cavity is encircled around the liquid guide cavity; an air inlet channel is formed in the inner side wall of the high-pressure air inflow cavity; the high-pressure air inflow cavity is communicated with the nozzle orifice through the air inlet channel; the air inlet channel adopts a cross hartmann two-stage resonance tube structure which is formed from an inlet guide pipe, an outlet guide pipe, a first-stage resonance tube and a second-stage resonance tube which are communicated; the inlet guide pipe and the first-stage resonance tube are arranged on the same straight line; the outlet guide pipe and the second-stage resonance tube are arranged on the same straight line; the tail ends of the first-stage resonance tube and the second-stage resonance tube are sealed; the inlet guide pipe is a reducer pipe with characteristics of a laval pipe. Compared with the prior art the supersonic atomizing nozzle with the single-stage laval and hartmann combined structure disclosed by the invention has the advantages that the characteristics of the laval pipe and the cross hartmann resonance pipe are combined to form the air inlet channel with the annular ring structure, so as to obviously increase the nozzle atomizing efficiency, lower the diameter of the atomized particles and narrow the size distribution.

The invention discloses a fine metal powder atomizing spray nozzle with molten metal easily flowing out. The fine metal powder atomizing spray nozzle is formed by a first assembly and a second assembly, wherein the first assembly is formed by connecting a cone frustum with the lower part of a cylindrical table; a liquid guide pipe is arranged at the center of the first assembly; the second assembly is formed by connecting a conical inner cavity with the lower part of a cylindrical inner cavity; an annular groove is formed in the wall of the cylindrical inner cavity of the second assembly; a horizontal ring surface and an inner arc rotating body which are sequentially connected are arranged at the connected part of the cylindrical table and the cone frustum; a horizontal ring surface and an outer arc rotating body which are sequentially connected are arranged at the connected part of the cylindrical inner cavity and the conical inner cavity; the annular groove forms an air inlet cavity; a three-section type Laval gas channel is formed between the first assembly and the second assembly; the first section is a horizontal air inlet retraction section formed by the horizontal ring surfaces of the first assembly and the second assembly; the second section is an arc expansion section formed by the inner arc rotating body of the first assembly and the outer arc rotating body of the second assembly; and the third section is a linear expansion section formed by the cone frustum of the first assembly and the cylindrical inner cavity of the second assembly.

The invention discloses a rotating electrode preparing micro spherical metal powder and a method of the rotating electrode. A plasma gun is composed of a Laval spraying pipe and a plasma gun head capable of conducting axial feeding, and a plasma gun inner gas way is formed between the plasma gun head and the Laval spraying pipe. The plasma gun head is connected with a gun head push rod, and a rotating electrode bar is connected with an electrode bar push rod. The axial relative position of the rotating electrode bar and the axial relative position of the plasma gun head are controlled and adjusted through the electrode bar push rod and the gun head push rod. A cylinder electrode bar is used as the raw material, and a plasma rotation electrode process is used for conducting the first time of atomization; supersonic speed high-temperature inert gas exerted to an electrode bar melting pool and injected by the adjustable plasma gun head is used for conducting the second time of atomization; centrifugal force of a centrifugal atomization mechanism overcomes tension on the surface of alloy liquid to serve as the upper limit of the atomization collected powder granularity; the efficiency of converting atomization energy into atomization drop surface energy is greatly improved; and the yield of micro powder smaller than 50 microns is greatly increased compared with traditional centrifugal atomization.

A method for detecting bio-available cadmium in soil includes steps: S100, sample collection and pretreatment, to be more specific, sampling soil, subjecting sampled soil to air drying at the room temperature, grinding, and filtering through a 200-mesh screen to obtain a soil sample; weighing 1-5g of the soil sample, adding into a 250mL polytetrafluoroethylene centrifugal cup, adding 25mL of 1mol/L ammonium chloride solution and 25mL of 80% ethanol solution, cleaning through an ultrasonic cleaner, centrifuging through a centrifuge, filtering supernatant through a filter membrane to obtain extract liquid, and adopting HNO3 solution in concentration of 1% to obtain a constant volume; S200, determination of the concentration of bio-available cadmium in the extract liquid, to be more specific,adopting an inductively coupled plasma source mass spectrometer for creating a standard curve for determining different concentrations of bio-available cadmium according to an inductively coupled plasma mass spectrometry method; adopting the inductively coupled plasma source mass spectrometer for measuring concentration of bio-available cadmium in the extract liquid according to the standard curve; S300, result analysis, to be more specific, calculating the content of bio-available cadmium in the soil sample according to measured soil sample mass and measured extract liquid concentration.

The invention discloses a gas atomization nozzle for preparing superfine metal powder. The nozzle is characterized in that the working portion of an upper nozzle (1) is a cone frustum and a metal outflow channel (3) is axially arranged in the center of the upper nozzle; a lower nozzle (2) is formed by connecting an inner cone frustum below a cylindrical inner cavity; an arc-shaped transition section (7) of the lower nozzle is arranged at the joint; an air inlet cavity (4) is formed between the upper nozzle (1) and the cylindrical inner cavity of the lower nozzle (2); and throats (5) and airflow expansion sections (6) are formed by combination of the cone frustum of the upper nozzle (1) and the inner cone frustum of the lower nozzle (2), thus forming a channel with Laval nozzle structure characteristics. The nozzle is suitable for atomization of all the metals and alloy melts with melting points below 1500 DEG C and especially provides a new solution to preparation of the superfine powder of such metals with low melting points as aluminium, zinc, magnesium, tin and the like and alloys.

Disclosed are an ultrasonic atomization piece, an electronic cigarette atomization core and an electronic cigarette atomizer. The ultrasonic atomization piece includes a piezoelectric ceramic main body; one surface of the piezoelectric ceramic main body is in contact with a positive electrode conducting layer, and the other surface of the piezoelectric ceramic main body is in contact with a negative electrode conducting layer, the negative electrode conducting layer extends to the surface of the piezoelectric ceramic main body on which the positive electrode conducting layer is located along a side edge of the piezoelectric ceramic main body, and a plurality of convex point areas, which cover the edge of the positive electrode conducting layer are provided on an edge of the negative conductive layer. The ultrasonic atomization piece, the electronic cigarette atomization core and the electronic cigarette atomizer have the advantages of simple structure, reliable electrical connection, reliable work, high atomization speed, good smoke taste and long service life.