47results about "Aerosol preparation" patented technology

The invention belongs to the technical field of aerosol detection, and particularly relates to an aerosol adsorption material, a preparation method, an aerosol collection device and a detection system. The aerosol adsorption material comprises a polymer microsphere skeleton with a porous structure and a metal organic framework nano-material growing on the surface of the polymer microsphere skeleton, and the metal organic framework nano-material radiates outwards and grows along the surface of the polymer microsphere skeleton; wherein the polymer microsphere skeleton comprises a polystyrene-divinyl benzene microsphere, and the metal organic framework nano material comprises Zn-BDC (zinc-boron dichloride). A Zn-BDC metal organic framework nano material is grown on a porous polystyrene-divinyl benzene microsphere skeleton in a radiation manner, so that the composite adsorbent with a multilevel structure is constructed. According to the design, the macrostructure advantage of a polymer skeleton and the nano-scale ultrahigh adsorption performance of an MOF material are combined, synergistic interaction can be achieved, and efficient and accurate capture of all aerosol components (especially nicotine, characteristic aroma small molecules and the like) is achieved.

The invention discloses a flavor modifier, atomized essence and an aerosol generating device, and relates to the technical field of essence. According to the technical scheme, the flavor modifier comprises an active agent, a compound containing a phenolic hydroxyl group and-O-beta-D-glucosidic bond or a compound containing an alcoholic hydroxyl group and-O-beta-D-glucosidic bond is selected as the active agent, and the flavor modifier can be weakly combined with a Piezo channel in a trigeminal nerve to directly modulate a trigeminal nerve mechanoreceptor, so that the flavor of the trigeminal nerve is improved. The activity of the Piezo channel is inhibited, so that the sensitivity of the Piezo channel to mechanical friction of aerosol particles is reduced, and the nasal cavity roughness is reduced. Meanwhile, the flavor modifier disclosed by the invention can also cooperate with olfactory signals transmitted by other components in the atomized essence to jointly improve the smoothness, the fineness and the overall moist feeling of the fragrance.

A heat-not-burning device(100) and its heating method. The device(100) includes a housing(10), a plurality of heating elements(50), and a control assembly(30). The housing(10) has an accommodating cavity(101); the plurality of heating elements(50) are uniformly mounted on the cavity wall of the accommodating cavity(101) to pierce into the aerosol generating article, which can increase the contact area between the heating elements(50) and the aerosol generating article and help improve the heating uniformity of the aerosol generating article. The control assembly(30) is mounted on the housing and independently electrically connected to each heating element(50). The control assembly(30) is configured to independently control the heating of each heating element(50), which facilitates sequentially and individually controlling one or more heating elements(50) to heat according to the analysis and calculation results of the cumulative heating duration and the total puff duration. This can reduce the heating duration of a single heating element(50) and the heating duration of the part of the aerosol generating article corresponding to each heating element(50), help avoid overheating of part of the aerosol generating article and energy waste, and contribute to improving the energy utilization rate and battery life of the entire device(100).

A method for manufacturing an evaporator core, characterized in that the method comprises the following steps: Providing a ceramic aggregate, a filler, a pore former, and a sintering aid, and mixing to obtain a mixture, wherein the ceramic aggregate has a material purity of chemically pure, analytically pure, and ultrapure, wherein the filler has a material purity of chemically pure, analytically pure, and ultrapure, and wherein the filler comprises at least one of calcium oxide, magnesium oxide, and zinc oxide, and wherein, if the filler comprises calcium oxide, magnesium oxide, and zinc oxide, the mass fraction ratio of the calcium oxide, magnesium oxide, and zinc oxide is (1-3):(1-3):(1-3); Providing a binder and mixing the mixture with the binder to obtain a ceramic material, wherein the binder comprises at least two of paraffin, beeswax, stearic acid, polyethylene and ethylene-vinyl acetate copolymer; Providing a heating element and manufacturing an evaporator core blank from the heating element and the ceramic material; Sintering the evaporator core blank to obtain the evaporator core.

The invention provides a large-particle-size aerosol atomizer which comprises a solution bottle, an aerosol generating chamber is installed on the solution bottle, an aerosol nozzle and an impact ball located in front of the aerosol nozzle are installed in the aerosol generating chamber, a gas inlet nozzle is arranged at one end of the aerosol generating chamber, and an annular gas generating device is arranged at the other end of the aerosol generating chamber. The annular gas generating device comprises a gas inlet end, a contraction cavity and a gas outlet nozzle. The gas inlet end is provided with an annular groove and an annular gas inlet communicated with the annular groove. The aerosol atomizer is small in size, convenient to carry and install, stable in mist spraying, fine and uniform in mist drop and high in atomization efficiency. The aerosol atomizer can be used for generating various aerosols including microorganisms and standard particles with different particle sizes, and standard particle aerosols with the maximum size of 10 microns can be generated.

The application discloses a solid aerosol generating device, which comprises a storage bin, a dispersing assembly, a feeding assembly and an aerosol discharge pipe connected to two ends of the storage bin respectively, the feeding assembly is used for adding powder into the storage bin, and the feeding assembly comprises an upper feeding valve used for controlling the opening and closing of the storage bin and the external environment; the dispersing assembly comprises a rotating brush which is rotatably arranged and tangent to the inner wall of the aerosol discharge pipe, and the rotating brush is used for dispersing the powder in the aerosol discharge pipe so that the powder is mixed with compressed gas to form a solid aerosol. The whole device adopts a sealed design, can effectively isolate the external environment, avoid the influence of the external environment on the powder during the feeding process, realize continuous and stable feeding, and ensure that the generated solid aerosol can be stably and continuously input into a target environment with different pressures.

The invention discloses a turbulence-enhanced braking wear particulate aerosol uniform mixing device which comprises a shell, a brake disc driving shaft and a brake caliper connecting piece, and a mixing cavity is formed in the shell; the brake disc is installed at one end of the brake disc driving shaft and located in the mixing cavity, and the other end of the brake disc driving shaft rotationally penetrates out of the mixing cavity to be connected with an external power source. The brake caliper connecting piece is arranged on the brake disc driving shaft in a sleeving manner, and the brake caliper is mounted on the brake caliper connecting piece; an air inlet and an air outlet are formed in the shell, both communicate with the mixing cavity and are symmetrically formed in the two opposite sides of the brake disc; a sealing environment is provided through the shell, external interference is prevented, particulate matter leakage is avoided, the accuracy and reliability of a detection result are guaranteed, a stable installation foundation is provided for the brake through the brake disc driving shaft and the brake caliper connecting piece, the structure is simple, installation is convenient, and practicability is high.

The application relates to the field of intelligent medical treatment, in particular to a method for generating hydrophilic monodisperse aerosols with different particle sizes for human inhalation. The method comprises the following steps: obtaining a hydrophilic aerosol generating liquid; and conveying the hydrophilic aerosol generating liquid to an aerosol generator to obtain first monodisperse hydrophilic aerosols. The aerosol generator comprises a polydisperse aerosol generator and an aerosol particle size sorting instrument. The hydrophilic aerosol generating liquid is used to generate polydisperse hydrophilic aerosols through the polydisperse aerosol generator. The polydisperse hydrophilic aerosols are filtered through the aerosol particle size sorting instrument to obtain first monodisperse hydrophilic aerosols with different particle sizes. The method can obtain radioactive hydrophilic monodisperse aerosols with good research value.

A method for producing a quantum dot including crystalline nanoparticle fluorescent material, wherein, using a first precursor solution and a second precursor solution containing different elements each other, the second precursor solution is sprayed as an aerosol on the heated first precursor solution, or both the first precursor solution and the second precursor solution are sprayed on a heated solvent as aerosols, and the first precursor solution and the second precursor solution are reacted with each other to synthesize a core particle containing the different elements. The method for producing quantum dots, can suppress the non-uniformity of the particle size of the quantum dots and accompany increase in the distribution of emission wavelengths in large scale synthesis.

The application discloses an aerosol bionic generating device, which comprises a cylinder body, a piston assembly, a first cavity, a first gas channel, a second gas channel and a third gas channel. The piston assembly comprises a piston which is slidably arranged in the cylinder body. One side end surface of the piston assembly and one end inner surface and an inner side wall of the cylinder body form the first cavity. The volume of the first cavity can change with the movement of the piston. The first gas channel can be connected with the first cavity and is used for introducing aerosol into the first cavity. The second gas channel can be connected with the first cavity and is used for introducing dilution gas into the first cavity. The third gas channel can be connected with the first cavity and is used for discharging the gas in the first cavity. The application can simulate the real smoking process of human bodies and generate aerosol close to the real smoking state of human bodies. The application further provides an aerosol bionic generating method based on the aerosol bionic generating device.

The embodiments of the present application relate to the technical field of aerosol generation apparatuses. Disclosed are a color testing calibration method and an aerosol generation apparatus. The method comprises: acquiring a no-load signal of an aerosol generation apparatus, then controlling a color testing apparatus to perform a color test, so as to obtain a new background color value; according to the new background color value and the current background color value, calibrating the current color threshold interval, so as to obtain a new color threshold interval; and storing the new color threshold interval and the new background color value. That is, along with the use of an aerosol generation apparatus, the current background color value and the current color threshold interval are re-calibrated, a new color threshold interval and a new background color value, which are obtained by means of calibration, are used as reference values for color determination, such that the reference values are adapted to a smudge and aging of a color testing apparatus. By means of the present application, fine errors such as small dirt and brightness attenuation can be corrected in a timely manner, color testing is more accurate, and the anti-dirt effect is effectively achieved.

The application provides an amine aerosol control system and method based on a phase change condensation technology, which comprises a particle growth tower, wherein the particle growth tower is provided with a wet air inlet, a decarbonized flue gas inlet, an amine liquid outlet, an exhaust outlet and a control unit; the wet air inlet is connected with a wet air automatic supply unit, the wet air automatic supply unit comprises a wet air preparation tower, and the wet air preparation tower is provided with an air input unit and a circulating water unit; a wet air monitoring unit is arranged between the wet air inlet and the wet air automatic supply unit; the decarbonized flue gas inlet is provided with a flue gas monitoring unit; the control unit is used for controlling the flow of the air input unit and the circulating water unit; the exhaust outlet is provided with a demisting unit, so that the gas discharged from the exhaust outlet is discharged after passing through the demisting unit. Through effective control of the amine aerosol, the application improves the purification efficiency of the decarbonized flue gas, reduces environmental pollution, and realizes comprehensive control of the amine aerosol escape to a certain extent.

To deliver nanoparticles into the atmosphere, a liquid formulation containing the nanoparticles is provided and pressurized to a high operating pressure p. The liquid formulation is delivered at the high operating pressure through at least one spray nozzle orifice that expels the liquid formulation as a jet of continuous droplets containing at least one nanoparticle of the plurality of nanoparticles. The plurality of nanoparticles has a length λ and a maximum length before breakage λ when stretched. max and the liquid formulation has a wall shear rate γ wall [per second]. According to the present invention, the liquid formulation is subjected to λ max / (λ γ wall The wall shear rate is experienced within the spray nozzle orifice for a limited shear time, t, of less than 100 s.

Disclosed is a simple and cost-effective technique for generation of high-throughput aerosols of uniform-diameter submillimeter-size core-shell particles. An aerosol may be created by using, e.g., a first tube filled with liquid and having a small hole through a sidewall, then passing a fluid through the liquid via a second tube passing partially though the first tube at a location above the small hole, forming coaxial flow through the small hole. The diameter of generated core-shell particles scales with the inner and outer diameter of the gas tube nozzle, enabling control on the size of the produced particles. Further disclosed is a simple, scalable and cost-effective technique that enables microencapsulation of various materials. Including highly viscous materials, into sub-10 μm particles. A specially designed atomizing tube interacts with bubbles formed in a liquid comprising a plurality of immiscible liquid layers to generate aerosols of droplets which have layered core-shell structure.

The application discloses a silica aerogel / aluminum silicate fiber paper composite material and a preparation method thereof. In a silica sol process, a solute containing a phytic acid derivative is added to the silica sol, and a mixed system is obtained after sufficient mixing. The silica aerogel / aluminum silicate fiber paper composite material is prepared through normal-pressure drying, the heavy metal adsorption performance of the prepared composite material is greatly improved, and the adhesion of the aerogel on the surface of the fiber paper can also be improved. In the scheme, the normal-pressure drying is adopted, compared with the supercritical CO2 drying, the large and expensive equipment is not needed, the operation is simple, and the large-scale popularization in the later period is facilitated. Compared with the aluminum silicate fiber paper, the high-temperature use performance of the composite material is improved, and the replacement rate of the thermal insulation material is reduced.

In one embodiment, systems and methods include an electrospray device (102) for atomizing fluids comprising a body (114) defining a resonant microwave cavity (116), wherein the body comprises a radio frequency inlet (118) configured to inject a radio frequency signal received from a power source (104) into the resonant microwave cavity, wherein the resonant microwave cavity is configured to to amplify a voltage of the radio frequency signal. The device further comprises a field concentrating pole (120) disposed within the resonant microwave cavity configured to concentrate the amplified voltage at a first end of the field concentrating pole to form an electric field. The device further comprises a nozzle (130) disposed at the first end of the field concentrating pole and a fluid supply line (126) configured to provide a fluid disposed within the field concentrating pole and fluidly connected to the nozzle, wherein the fluid supply line is fluidly connected to a fluid source (128).

The present application relates to the field of fine particulate matter / inhalable particulate matter mass concentration monitor calibration, and particularly relates to a low-concentration aerosol generating method and a generating device thereof. The low-concentration aerosol is formed by adopting electromagnetic mechanical vibration and ultrasonic resonance dust emission, Venturi tube conveying, mixing and dilution, and is uniform and stable.

In one embodiment, systems and methods include an electrospray device for atomizing fluids comprising a body defining a resonant microwave cavity, wherein the body comprises a radio frequency inlet configured to inject a radio frequency signal received from a power source into the resonant microwave cavity, wherein the resonant microwave cavity is configured to to amplify a voltage of the radio frequency signal. The device further comprises a field concentrating pole disposed within the resonant microwave cavity configured to concentrate the amplified voltage at a first end of the field concentrating pole to form an electric field. The device further comprises a nozzle disposed at the first end of the field concentrating pole and a fluid supply line configured to provide a fluid disposed within the field concentrating pole and fluidly connected to the nozzle, wherein the fluid supply line is fluidly connected to a fluid source.

The invention relates to the technical field of aerosol preparation, and discloses a monodisperse aerosol preparation device. The monodisperse aerosol preparation device comprises a high-pressure gas supply system, an aerosol generator, a first aerosol neutralizer, an aerosol filter, a bipolar charge device, a polydisperse aerosol storage tank, an aerosol screening device, a monodisperse aerosol storage tank and a second aerosol neutralizer which are sequentially connected through pipelines; wherein the wall surface of the polydisperse aerosol storage tank is communicated with one of the power supply positive electrode and the power supply negative electrode, and the wall surface of the monodisperse aerosol storage tank is communicated with one of the power supply positive electrode and the power supply negative electrode; the wall surface of a connecting pipeline between the outlet of the polydisperse aerosol storage tank and the inlet of the aerosol screening device is communicated with one of the positive electrode of the power supply and the negative electrode of the power supply, and a pressure difference measuring instrument is arranged between the polydisperse aerosol storage tank and the aerosol screening device, so that the problems of low preparation precision and preparation efficiency of the monodisperse aerosol in the prior art are solved.

The invention relates to the technical field of aerosol generation, in particular to an oleophobic composite film and a preparation method and application thereof.The oleophobic composite film comprises a base material, a transition layer deposited on at least one surface of the base material and a stepped fluorocarbon functional layer covering the surface, away from the base material, of the transition layer; the fluorocarbon functional layer at least comprises a bottom layer, a middle layer and a surface layer, the bottom layer is a hydrogen-containing fluorocarbon layer, the surface layer is a perfluorocarbon layer, the chemical composition of the middle layer changes in a stepped mode in the thickness direction of the oleophobic composite film, and the middle layer gradually transits from the hydrogen-containing fluorocarbon layer close to the bottom layer to the perfluorocarbon layer connected with the surface layer. Due to the synergistic cooperation of the stepped fluorocarbon functional layer and the transition layer, the oleophobic composite film has good oleophobicity, aerosol condensate leakage can be prevented from influencing the base material, and the service life of the oleophobic composite film can be prolonged. The oleophobic composite film is used for preparing the elastic piece, so that the accuracy of the counting function of the aerosol generating device is improved, and the use experience of a user is improved.

The application discloses MnO2 / GO@Fe2O3 composite aerogel and a preparation method and application thereof. The preparation method of the composite aerogel comprises the following steps: preparing manganese dioxide nanotubes; mixing the manganese dioxide nanotubes with graphene oxide and performing a hydrothermal reaction to obtain manganese dioxide / graphene composite aerogel; immersing the manganese dioxide / graphene composite aerogel in a solution containing iron salt and methyl orange, and obtaining a solid mixture after solid-liquid separation; and calcining the solid mixture to obtain the MnO2 / GO@Fe2O3 composite aerogel. The composite aerogel is simple in preparation process and simple in operation process, can effectively remove arsenic in weak acid wastewater, is easy to separate from the wastewater, can be repeatedly used, and solves the problems that single-component arsenic removal powder materials are prone to agglomeration and difficult to separate.

Disclosed herein is an apparatus and method for fabrication of large diameter single-walled carbon nanotube films. Advantageously, large diameter single-walled carbon nanotube films may be useful as transparent electrodes with high transparency and lower sheet resistance. In one embodiment, the method includes supplying carrier carbon monoxide and catalyst precursor through a first inlet at a temperature below the reaction temperature of the catalyst precursor; supplying heated carbon monoxide through a second inlet such that the heated carbon monoxide mixes with the carrier carbon monoxide and the catalyst an aerosol; reacting the aerosol in a reaction chamber to form a composite aerosol of single walled carbon nanotubes, metal nanoparticles, carbon monoxide, and carbon dioxide. In this embodiment, the heated carbon monoxide heats the catalyst precursor which reacts with the carbon monoxide to form carbon nanotubes.

The invention provides a preparation method of a bio-based multiband electromagnetic attenuation material, and belongs to the technical field of electromagnetic attenuation material preparation. The novel broadband electromagnetic wave attenuation material is developed by combining magnetic functionalization and structural engineering on the basis of the natural dispersion characteristic of a biomass material, and the novel broadband electromagnetic wave attenuation material has excellent dispersability and high multi-band electromagnetic wave absorption capacity, so that electromagnetic wave shielding can be effectively carried out in a dynamic environment. The invention aims to solve the problems of difficult dynamic deployment, limited attenuation effect and environmental risk in the prior art.

Disclosed is a simple and cost-effective technique for generation of high-throughput aerosols of uniform-diameter submillimeter-size core-shell particles. An aerosol may be created by using, e.g., a first tube filled with liquid and having a small hole through a sidewall, then passing a fluid through the liquid via a second tube passing partially though the first tube at a location above the small hole, forming coaxial flow through the small hole. The diameter of generated core-shell particles scales with the inner and outer diameter of the gas tube nozzle, enabling control on the size of the produced particles. Further disclosed is a simple, scalable and cost-effective technique that enables microencapsulation of various materials. Including highly viscous materials, into sub-10 pm particles. A specially designed atomizing tube interacts with bubbles formed in a liquid comprising a plurality of immiscible liquid layers to generate aerosols of droplets which have layered core-shell structure.

The invention discloses a powder aerosol state continuous generation powder feeding device which comprises a conveying pipeline, an outlet in the lower portion of the conveying pipeline is connected into an outer cylinder, the lower end of the outer cylinder is provided with a discharging port contracting inwards, a circle of air inlet ring communicating with the interior of the outer cylinder is fixed to the side wall of the outer cylinder, and an air inlet pipe is arranged on the side wall of the air inlet ring; a plurality of vertical air guide plates are distributed on the circumference of the inner wall of the air inlet ring; a fixed cylinder is erected in the outer cylinder through a plurality of fixed plates, the upper part of the fixed cylinder is an upper cone, and a plurality of guide plates are circumferentially distributed between the fixed cylinder below the air inlet ring and the side wall of the outer cylinder; compared with the prior art, the device can continuously and stably convey highly dispersed and non-agglomerated fine ceramic powder aerosol flow.

The present invention relates to the production of carbon materials (eg, carbon nanomaterials) comprising single-walled carbon nanotubes (SWCNTs) and to the carbon materials themselves.

Disclosed herein is a simple method for generation of high-throughput aerosols of monodisperse micro-shell particles. To create the aerosol, small nozzles are employed blowing slightly compressed air on a thin liquid film. This allows one to generate bubble aerosols consisting of particles having a thin liquid shell surrounding a gas core, which are suspended in a carrier gas flow or environment. The diameter of the created liquid shells is uniform and scales with the inner diameter of the blowing nozzle, enabling control on the size of the produced monodispersed aerosol and formation of particles between few microns to several hundred of microns in outer diameter.

The application provides a composite conductive aerogel, which comprises an MXenes material, a graphene nanoribbon and a composite fiber material, and has a three-dimensional interconnected porous network, wherein the composite fiber material comprises carbon nanotubes and carbon fibers, and the carbon fibers wrap the carbon nanotubes. The composite conductive aerogel has good conductivity, compressibility and light specific gravity, and has a wide application prospect.