115results about "Aerosol preparation" patented technology

The invention relates to the field of intelligent medical treatment, in particular to a radioactive monodisperse particle preparation, aerosol generation and animal inhalation deposition in-situ quantification method. Comprising the following steps: acquiring aerosol generation standard particles and radioisotopes; adding the standard particles and radioactive isotopes into a PBS solution, and carrying out an oxidation-reduction reaction to obtain a reaction solution; the reaction solution is washed and filtered through deionized water until no separable gamma activity exists, and the radioactive standard particles used for aerosol generation are obtained.The radioactive aerosol generation particles with the single particle size can be obtained and have good clinical value.

The invention relates to the technical field of activated carbon modification, in particular to aerosol fluidized activated carbon modification equipment and method. The aerosol fluidized activated carbon modification equipment comprises an aerosol generator, an activated carbon modification tank, a Venturi bin, an air inlet pipeline, an induced draft fan, a circulating pipeline and a drying device. Gas is used as a carrier to carry aerosol and gaseous fluidized modified activated carbon particles, complete and uniform impregnation can be achieved, energy is saved, efficiency is high, and the application range is wider. The modified activated carbon prepared by the method can be effectively used for purifying radioactive gas, acid gas, alkaline gas, hydrogen sulfide, mercury steam and other gases.

This invention relates to single-walled carbon nanotube films and methods and apparatus for their manufacture. This document discloses apparatus and methods for manufacturing large-diameter single-walled carbon nanotube films. Advantageously, large-diameter single-walled carbon nanotube films can be used as transparent electrodes with high transparency and low sheet resistance. In one embodiment, the method includes: supplying a support of carbon monoxide and a catalyst precursor through a first inlet at a temperature lower than the reaction temperature of the catalyst precursor; supplying heated carbon monoxide through a second inlet, such that the heated carbon monoxide is mixed with the support of carbon monoxide and the catalyst to form an aerosol; and 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 self-preheating pyrolysis system and a preparation method of micro-nano particles, and relates to the technical field of material preparation, the self-preheating pyrolysis system comprises: a gas inlet part configured to receive precursor aerosol; the combustor is configured to perform pyrolysis on the precursor aerosol by combusting combustible gas and oxidizing gas which are introduced from the outside, so as to obtain micro-nano particles and pyrolysis gas; and the heating part is arranged between the gas inlet part and the combustor and is configured to heat the precursor aerosol entering the combustor by utilizing heat contained in the pyrolysis gas.

The present invention discloses a rectifying container, which includes a main body disposed in an aerosol mixing tube. An accommodation cavity is provided in the main body, and a plurality of rectifying holes penetrating through the side wall of the accommodation cavity are further provided on the main body. A plurality of the rectifying holes are all located below the top plate of the aerosol mixing tube. The accommodation cavity is communicated with an aerosol inlet pipe, and the accommodation cavity is communicated with the aerosol mixing tube through the rectifying holes. The opening direction of the rectifying holes is upward, and the included angle between the rectifying holes and the vertical direction is between 30° and 65°, so that the aerosol flowing out of the rectifying holes can collide with the tube wall or the top plate. The solution adopted by the present invention greatly improves the uniformity of aerosol mixing.

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.

This invention belongs to the field of potassium iodide aerosol preparation technology, specifically relating to a potassium iodide aerosol generating device. It includes a generating chamber, a recovery tank, and a vortex disk. The generating chamber houses a liquid supply assembly and a collection assembly. The liquid supply assembly includes a feed pipe with a spray assembly mounted on it. A long pipe is attached to the feed pipe, passing through a sleeve and a corrugated pipe before being inserted into a storage tank. The spray assembly includes a ball head, a spray pipe, and an inner cylinder. A small-diameter inlet is formed on the side wall of the spray pipe, and a large-diameter inlet is formed on the side wall of the inner cylinder. This invention uses a cylinder to move the feed pipe upwards, causing the spray nozzles on the spray pipe to rotate from the center of the vortex disk towards its edge, thus impacting the crystals within the grooves of the vortex disk. As the spray pipe rotates, the inner cylinder slides into the spray pipe, and the small-diameter inlet on the spray pipe and the large-diameter inlet on the inner cylinder gradually overlap, increasing the solution spray volume and enhancing the impact intensity.

The present invention discloses a power supply device for an aerosol generator and an aerosol generator, the power supply device comprises a shell, a pneumatic switch assembly with a conductive spring sheet, a key assembly, a first contact piece and a second contact piece, one end of the first contact piece and the second contact piece are both accommodated in the shell, and the other end of the first contact piece and the second contact piece are both extended out of the shell for electrical contact with an external load, the key assembly is slidably mounted in the shell, the pneumatic switch assembly is mounted in the shell, and the conductive spring sheet is located between the key assembly and the second contact piece, when the key assembly slides to a first position relative to the first position, the key assembly applies pressure to the conductive spring sheet so that the conductive spring sheet elastically abuts against the second contact piece; when the key assembly slides to a second position, the key assembly cancels the pressure, and the conductive spring sheet rebounds to separate from the second contact piece. The key assembly is used to lock the pneumatic switch, so as to prevent the aerosol generator from being triggered by mistake, thereby improving the safety of use.

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 present invention provides an evaporator core, a method for manufacturing the same, and an aerosol forming device. The method for manufacturing the evaporator core comprises: providing a ceramic aggregate, a filler material, a pore former, and a sintering aid, and mixing them to obtain a mixture, wherein the ceramic aggregate has one of material purities of chemically pure, analytically pure, and ultrapure; providing a binder and mixing the mixture with the binder to obtain a ceramic material; 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 evaporator core according to the present application is made of a ceramic aggregate with a material purity of chemically pure, or analytically pure, or ultra-pure, which can increase the stability of the performance of the evaporator cores from different batches, and the evaporator cores can reproduce the taste highly and tastelessly.

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 present application discloses an aerosol generating device, which includes a main body and a housing. The main body is used to atomize an aerosol-forming substrate to generate an aerosol. The main body has an airflow channel for circulating air and / or aerosol. The main body is accommodated in a housing space of the housing. The housing includes a first housing and a second housing. When the first housing and / or the second housing are moved relative to the main body by an external force, a first relative displacement is generated between the first housing and the second housing to form a first area, thereby activating the aerosol generating device. Regardless of whether a mechanical power switch is provided in the present application, the aerosol generating device can be activated by the relative movement of the housing and the main body, thereby diversifying the functional implementation methods of the device and improving the user experience.

The invention discloses a preparation method of a water-soluble essence slow-release agent, the water-soluble essence slow-release agent, an aerosol generating product and a cigarette case. The preparation method comprises the following steps: respectively weighing water-soluble essence and beta-cyclodextrin according to the mass ratio of the water-soluble essence to the beta-cyclodextrin of (50-60): 1, (60-70): 1, (70-80): 1, (80-90): 1 or (90-100): 1; the preparation method comprises the following steps: adding beta-cyclodextrin into water-soluble essence, and stirring at the rotating speed of 750 to 770 r / min, 770 to 790 r / min, 790 to 810 r / min, 810 to 830 r / min or 830 to 850 r / min, so as to obtain a mixed solution; and homogenizing the mixed solution to obtain the water-soluble essence slow release. The essence slow-release agent capable of regulating and controlling the fragrance release rate, prolonging the fragrance retention time and optimizing the smoke quality is prepared by adopting a simple, convenient, effective and low-cost method, so that technical support is provided for low-tar and harm-reducing development of the cigarette industry. In addition, water is not added in the preparation process, and the water-soluble essence slow-release agent with high stability is obtained in cooperation with selection of technological parameters.

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 including 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 invention belongs to the technical field of conductive silver paste preparation, and particularly relates to a gas-soluble conductive silver paste preparation device which comprises a gasification reaction device, an aerosol preparation device is fixedly connected to the upper surface of the gasification reaction device, and a connecting pipe is rotatably connected to the lower surface of the aerosol preparation device. The connecting pipe penetrates into the gasification reaction device, a transmission structure is arranged on the outer circle face of the connecting pipe, and a screening assembly is arranged on one side of the upper surface of the gasification reaction device. Through cooperation of a transmission structure, a first bevel gear, a circular plate and a connecting rod, a push plate is driven to move up and down in a gas collection cylinder, air is fed into the gasification reaction device, meanwhile, a molecular sieve membrane exhausts oxygen in the gas collection cylinder, the content of oxygen entering the gasification reaction device is reduced, excessive oxygen is prevented from entering the gasification reaction device, and the gasification effect is improved. The preparation of the conductive silver paste by the device is influenced, and the yield of the conductive silver paste prepared by the device is improved.

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 relates to the technical field of medical instruments, in particular to a rock salt aerosol generating device. The rock salt aerosol generating device comprises an aerosol generating structure, wherein the aerosol generating structure comprises a lower inner container, an upper inner container and a separator; a lower cavity is formed in the lower inner container, a cone is arranged at the bottom in the lower cavity, and a gas injection hole is formed in the side wall of the lower inner container; the upper inner container comprises a funnel-shaped inner container and a separator supporting part; the number of the separators is at least two, the separators are assembled in a sealed mode, and the separator air holes formed in the upper and lower adjacent separators are arranged in a staggered mode. The cup shell comprises a base, an outer shell and a top cover; the lower inner container, the base and the shell are respectively assembled in a sealing mode, an air inlet is formed in the bottom of an air input cavity formed after the base and the lower inner container are assembled, and an air outlet is formed in the top cover. Airflow in the pneumatic cavity of the rock salt aerosol generating device is more uniform and free of leakage, the separation efficiency is high, medicine powder residues are eliminated, and mounting and dismounting are convenient.

The present invention relates to an aerosol generating device, which includes a fixing tube for fixing an aerosol-forming substrate, an airway tube sleeved around the periphery of the fixing tube, and a heating component; the fixing tube is a hollow structure with both ends penetrating, and a first opening and a second opening communicating with the first opening are respectively provided at both ends; one end of the airway tube is provided with a supporting wall for supporting the aerosol-forming substrate, and the supporting wall is arranged opposite to the second opening; the aerosol-forming substrate can extend into the fixing tube from the first opening, and the heating component can pass through the supporting wall and be inserted into the aerosol-forming substrate from the second opening to heat the aerosol-forming substrate; when the aerosol-forming substrate withdraws from the fixing tube towards the first opening, the heating component is separated from the aerosol-forming substrate. The aerosol generating device can be quickly and conveniently pulled out from the fixing tube without damaging the aerosol-forming substrate, and has the advantage of simple disassembly and assembly.

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 invention provides a nano aerosol particle generation system based on laser ablation, which comprises a laser ablation system, a flow field regulation and control system and a particle collection system, and is characterized in that the laser ablation system is used for ablating an external target material to generate nano aerosol particles; and the flow field regulation and control system is used for regulating and controlling local airflow in a laser ablation area and rapidly blowing nano aerosol particles generated by ablation of the laser ablation system into the particle collection system for collection. When the device is used, the particle size distribution of nano aerosol particles is adjusted according to the flow and the flow velocity of an ablation area, and the particle concentration of the generated aerosol is changed by adjusting the scanning shape and the scanning speed of a laser spot, so that the independent adjustment of the particle size and the concentration is realized.

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 invention relates to a preparation method and device of ligand-free magnetic iron oxide nano ink. The device comprises a tubular furnace, a plasma reaction cavity and a collection container, an inlet of the tubular furnace is connected with a first gas inlet pipe, an outlet of the tubular furnace is connected with an inlet of the plasma reaction cavity through a pipeline, the inlet of the plasma reaction cavity is connected with a second gas inlet pipe, and the collection container is connected with a gas outlet of the tubular furnace. The outlet of the plasma reaction cavity is connected with a collecting pipe, and the collecting pipe extends into the collecting container. An iron source is heated and sublimated through a tubular furnace to form aerosol, the aerosol is treated through cold plasma, magnetic iron oxide nanoparticles are generated, and the generated nanoparticles have unique surface chemical properties and can be dispersed in polar and non-polar solvents without surface ligands to form the stable magnetic iron oxide nano ink; the magnetic iron oxide nano-ink prepared by the method can be applied to the fields of electronic devices, magnetic anti-counterfeiting and the like.

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.

The application discloses an active oxygen aerosol generating device and a preparation method thereof. The active oxygen aerosol generating device comprises a water tank, the water tank is suitable for containing water and forming an air chamber above the water surface, an air inlet and an air outlet are arranged on the wall of the water tank, and the air inlet and the air outlet are both communicated with the air chamber; a discharge device is arranged on the wall of the water tank and comprises a discharge needle and a needle sleeve sleeved outside the discharge needle, the discharge end of the discharge needle is hidden in the needle sleeve, the discharge end of the discharge needle is exposed to the air in the air chamber, the discharge needle is suitable for discharging the water vapor in the air chamber to generate negative oxygen ions in the air chamber; and an atomizer is suitable for being immersed in the water in the water tank, the atomizer is suitable for atomizing the water in the water tank into water mist floating in the air chamber to mix with the air containing the negative oxygen ions to form the active oxygen aerosol, and the active oxygen aerosol is suitable for being released from the open air outlet to the outside of the water tank along an air duct. The active oxygen aerosol is released outward along the air outlet and the air duct, can exist in a target area for a long time, and improves the disinfection and sterilization effect.

The embodiment relates to a porous absorbent material, and more particularly, to a porous absorbent material including porous grains to facilitate absorption and transfer of a liquid phase. The embodiment provides a porous absorbent material including a plurality of porous grains having micropores formed therein or on a surface thereof using a Benard cell phenomenon, and macropores are formed between the plurality of porous grains.

A generation system, generation method and application for dispersing trace amounts of solids or aerosols in a gas state. The system is composed of an atomization chamber, a reflux chamber, a cleaning pump, an atomization pump, a mixing chamber and connecting components therebetween; the upper part of the atomization chamber is connected to the reflux chamber through a porous plate, and the middle part is connected by a reflux channel; an atomization pump is provided below the atomization chamber, a washing liquid pipe is provided between the atomization chamber and the reflux chamber, and a cleaning pump is provided on the washing liquid pipe. The present invention adopts a fixed pressure difference and porous flow limiting method to balance the flow rates of each channel, selects a small amount of the channel fluid as the output, reduces costs, and improves the reliability and practicability of the system. The system provided by the present invention has the advantages of small volume, being convenient to move, matching application conditions, and low cost.