34 results about "Smoke aerosol" patented technology

The invention discloses a detecting method of aerosol granularity distribution of cigarette smoke, comprising generating smoke sample by cigarette sample via smoke generating device: regulating air flow speed of smoke sample by adopting additional suction source regulating method to satisfy cigarette smoke request regulated and dilute concentration of smoke sample to reach effective detecting scale of aerosol detector; adjusting air flow speed of smoke sample entering aerosol detector for satisfy limited requirement of aerosol analyzer; processing step of aerosol granularity distribution detection and so on. The invention, through improving gas circuit connection design between the smoke sucker and aerosol detecting device, adopting waste discharging device adding assistant gas and additional suction source, designing proper air flow speed and so on, guarantees that cigarette combustion and smoking are accord with requirement when collecting smoke aerosol sample, which accomplishes detection of smoke aerosol sample by present aerosol detector.

The invention provides an ultraclean emission type ammonia-process desulfurization device and technology. The device provided by the invention comprises a pre-washing tower, an absorption tower and anadsorption tower, which are connected in sequence, wherein a flue gas inlet is arranged at the top of the pre-washing tower; a side wall of the pre-washing tower is connected with a side wall of theabsorption tower through a flue gas channel; the top of the absorption tower is connected with the top of the adsorption tower through a flue gas pipeline; a flue gas outlet is arranged on the side wall of the adsorption tower; an activated carbon adsorption layer is arranged on the adsorption tower along a flue gas movement direction. The device provided by the invention is used for treating fluegas; multi-spraying, demisting and dust removal measurement are used and activated carbon adsorption treatment is finally increased, so that the desulfurization and dust removal efficiency is effectively improved; especially, the activated carbon adsorption layer can be used for effectively treating blue smoke or yellow smoke aerosol formed in a smoke pipe outlet and ultraclean emission of dust concentration of the smoke pipe outlet of the desulfurization device can be met.

The invention discloses a microcosmic characterization method for smoke aerosol particles in a cellosilk surface accumulation process. The microcosmic characterization method is characterized in that a microscope is used for performing image acquisition on cellosilk arranged in a smoke channel in an aerosol particle capturing process and then performing image processing, so that the microcosmic process that the aerosol particles are accumulated on the surface of the cellosilk is obtained. A used capturing and shooting device comprises the smoke channel, an observation window formed on the channel, and the microscope with a charge coupled device (CCD) camera, wherein a bracket for clamping the cellosilk is arranged in the channel; and one end of the smoke channel is connected with a smoke collection port, and the other end of the smoke channel is sequentially connected with a filter, a flowmeter and a vacuum pump. By using a smoke particle cellosilk adsorption microcosmic observation device, due to the image acquisition and the image processing, the microcosmic characterization that the smoke aerosol particles are continuously accumulated on the surface of the cellosilk is realized, so that the deep learning of the cellosilk capturing is facilitated; and an evaluation measure is supplied for the novel fiber development.

The invention relates to an elevation-type cigarette side-stream smoke aerosol rapid collecting hood and a detection method thereof. The elevation-type cigarette side-stream smoke aerosol rapid collecting hood comprises a collecting hood body, an electric elevation table and a base support, which are successively connected from top to bottom; the collecting hood body comprises a cylindrical hood body with an air inlet and a funnel hood body connected to the upper end of the cylindrical hood body in a sealing manner; the upper end of the funnel hood body is provided with a funnel hood body exhaustion pipe, the outer side of the funnel hood body exhaustion pipe is sleeved with a pre-dilution casing pipe, the bottom end of the pre-dilution casing pipe is fixed to the outer surface of the funnel hood body in a sealing manner, and the bottom is provided with a pre-dilution air inlet; the base support is fixedly provided with a smoke suction pipeline coaxially arranged with the collecting hood body; the smoke suction pipeline penetrates through the electric elevation table and a central hole of a bottom end cover of the cylindrical hood body and is connected with a smoke suction machine; a cigarette is fixed to the smoke suction pipeline by virtue of a cigarette clamping device and coaxially and vertically installed; and the electric elevation table is used for driving the collecting hood body to integrally move downwards, a descending speed is equal to a smoldering rate of the cigarette, and a distance from a cigarette burning cone to the inlet of the funnel hood body exhaustion pipe is ensured to be 15 to 20 mm.

The invention relates to a method for improving the particle size distribution concentration degree of cigarette aerosols, and belongs to the technical field of cigarettes. The method specifically comprises the steps of preparing an additive which is composed of glycerin and furanone according to a certain proportion into a solution with certain concentration, and afterwards, adding the solution to different parts of the cigarettes. By means of the method for improving the particle size distribution concentration degree of the cigarette aerosols, the distribution proportion of aerosols with the small particle diameters can be reduced, the distribution proportion of the aerosol particles with the middle particle diameters is increased, thus the thus distribution of smoke aerosols with the middle particle diameters is more centralized, and the deposition proportion of the smoke aerosols with the large particle diameters in the oral cavity and the nasal cavity is increased, so that cigarette smoke is richer, the sensory quality of the smoke is improved, the smoke aerosols with the small particle diameters entering the respiratory tract and the lung are reduced, and the safety of the cigarette smoke is improved.

The invention discloses an intelligent pyrotechnic generator, which comprises a base bin, a pyrotechnic generating system arranged in the base bin, and a pressurized gas nozzle arranged on the outer wall in front of the base bin; the pyrotechnic generating system includes a fuel supply system and smoke oil Supply system, the fuel supply system includes a fuel bottle, a one-way valve and a solenoid valve, and a first hose that sequentially connects the fuel bottle, the one-way valve and the solenoid valve to the first copper pipeline in the pressurized air nozzle; smoke oil The supply system includes a smoke oil liquid tank and a booster oil pump, and a second hose that sequentially connects the smoke oil liquid tank and the booster oil pump to the second copper pipeline in the booster gas nozzle; the booster gas nozzle includes a heating chamber, a set The combustion wire mesh in the heating chamber and the ignition device arranged in the heating chamber adjacent to the upper part of the combustion wire mesh are connected to the nozzle outside the heating chamber. The present invention is suitable for simulating the scene of a fire-fighting accident, and realizes fire and smoke when the scene is powered off and the light is weak, so as to truly simulate the scene of fire and smoke at the fire scene.

The invention relates to a method for establishing an animal in-vitro tracheal model for evaluating inflammatory response induced by tobacco mainstream smoke and an evaluation method, and belongs to the technical field of cigarette hazard assessment. The method for establishing the animal in-vitro tracheal model comprises the following steps: 1) separating a tracheal ring; 2) culturing the tracheal ring obtained in the step 1) in vitro; and 3) exposing the tracheal ring cultured in the step 2) to a flue gas condensate for 1 to 24 hours. The evaluation method of the inflammatory response induced by the tobacco mainstream smoke comprises selection of evaluation indexes and division of evaluation criteria; and evaluation of the degree of the inflammatory response. The method has the followingadvantages: 1) the detection method of the tracheal inflammation after smoke exposure has high efficiency; 2) the detection method of the tracheal inflammation after smoke exposure has good repeatability and system stability and high accuracy; and 3) the use range is wide. The method can be applied to in vitro exposure models of cigarette mainstream smoke, sidestream smoke, ambient flue gas and other smoke aerosols.

The invention discloses a mass spectrometer for online detection of cigarette smoke aerosol particulate matter chemical components. The mass spectrometer mainly comprises a smoking machine, an aerodynamic lens, a thermal desorption gasifier, an ion importer, a mass analyzer and the like. The smoking machine is used for simulating the cigarette smoking process of a person, generated smoke aerosol is transmitted into the vacuum cavity through the aerodynamic lens, particulate matter and carrier gas in the smoke aerosol are separated, after the particulate matter is converged and transmitted to the thermal desorption gasifier, the particulate matter absorbs heat of the thermal desorption gasifier to form gaseous molecules, the gaseous molecules are ionized through the ionization source, and the generated ions are vertically introduced into a mass analyzer through an ion introducer, and the mass of the ions is measured, so that the chemical component information of the cigarette smoke aerosol particulate matters is obtained.

The invention relates to a heating cigarette using a Venturi type hollow filter stick. The heating cigarette is composed of a tobacco substance and a hollow filter stick with a Venturi structure, thestructure of a hollow cavity is characterized in that the diameter of the cavity periodically and continuously changes along the axial direction of the hollow filter stick, and a series combination ofa group of thick cavities and a group of thin cavities which are connected in series is formed. When smoke generated by tobacco substance by high-temperature heating passes through the cavity, the flow speed of smoke fluid is changed due to the change of the cavity structure, the fluid state is forced to be changed into a turbulent flow from a laminar flow, so that the heat conduction efficiencyis improved, and thus the good heat transfer and cooling effect is achieved. Meanwhile, when smoke aerosol passes through the venturi type hollow filter stick, the aerosol collides, condenses and releases heat because the diameter of the inner cavity part is continuously and alternately changed, so that the cooling effect is further enhanced. The heating cigarette using the Venturi type hollow filter stick is sufficient in smoke amount, moderate in inlet temperature and good in smoking experience; and in terms of actual production, the processing technology is simple, and the quality control difficulty is small.

The invention belongs to the technical field of tobacco toxicity analysis, and particularly relates to a trapping method and a cytotoxicity testing method for smoke aerosol of a heat-not-burn cigarette. The method for capturing the aerosol in the smoke of the heat-not-burn cigarette comprises the following steps: (1) in the process of smoking the heat-not-burn cigarette, capturing total particulate matters in the smoke by adopting a Cambridge filter, and absorbing smoke gas phase matters penetrating through the Cambridge filter by adopting dimethyl sulfoxide; and after the capture is finished,extracting the smoke total particulate matters captured on the Cambridge filter by adopting dimethyl sulfoxide, and forming a smoke aerosol capture object by the dimethyl sulfoxide with the smoke total particulate matters extracted and the dimethyl sulfoxide with the smoke gas-phase matters absorbed in the step (1). The invention establishes a novel smoke gas solvent trapping method for in-vitrotoxicity test of the heat-not-burn cigarette, achieves comprehensive trapping of smoke aerosol of the heat-not-burn cigarette, and provides a basis for comprehensive evaluation of toxicity test of theheat-not-burn cigarette.

The invention relates to a method for measuring distribution of perfume of a heat-not-burn cigarette in smoke aerosol having different particle sizes, and belongs to the technical field of novel tobacco product perfuming. The method includes adding perfume into the heat-not-burn cigarette; suctioning the cigarette according to a required suction mode; capturing particles having different particlesizes in cigarette smoke aerosol by utilizing an electronic low-pressure impactor (ELPI); performing treatment; and then measuring perfume by adopting a gas chromatograph-mass spectrometer (GC-MS) toobtain a distribution situation of the perfume in cigarette smoke having different particle sizes. The method provides technical support for development of a perfume formula and accurate perfuming ofthe heat-not-burn cigarette.

The invention discloses a suction resistance regulator and an electronic cigarette cartridge comprising the same. The regulator comprises a fuming base material section, a hollow section, a filter tip section and a cylindrical hollow wrapping piece, and more importantly, the draw resistance regulator is a solid cylinder, the side wall of the solid cylinder is enclosed by at least two curved surfaces, a crescent airflow channel is formed between each curved surface of the side wall and the inner wall of the cylindrical hollow wrapping piece of the electronic cigarette cartridge, one or more protruding points are further arranged on the curved surfaces, and one or more transverse grooves are formed in the joint portion of every two adjacent curved surfaces, so that the smoke aerosol channel area and the effective length of the channel can be effectively increased. The full mixing is realized when the smoke cartridge sucks air, cooling is assisted, the smoke amount is increased, meanwhile, suction resistance is effectively reduced, and the suction experience is improved.

The invention discloses a heating cigarette supporting section, a heating cigarette composite filter tip and a heating cigarette, the heating cigarette supporting section comprises a sleeve and an isolation column, and the sleeve is provided with a through groove penetrating in the axial direction of the sleeve; the through groove comprises a first cavity, a mounting cavity and a second cavity which are connected in sequence; the isolation column is mounted in the mounting cavity, and a plurality of through holes penetrating in the axial direction of the isolation column are formed in the isolation column; the sum of the radial cross-sectional areas of the through holes is smaller than the radial cross-sectional area of the first cavity, and the sum of the radial cross-sectional areas of the through holes is smaller than the radial cross-sectional area of the second cavity. In the application, in the process that high-temperature smoke enters the second cavity from the first cavity through the through hole, a low-pressure area full of vortexes can be generated near the necking, smoke aerosol collides and condenses to release heat, release energy and generate energy loss, the high-temperature smoke can be cooled, and water vapor can be condensed, so that the smoke can be cooled, and the smoke can be cooled. The temperature of smog smoked by a user can be ensured to be appropriate, and the user experience is improved.

The invention discloses a method for determining the content of free nicotine and nicotine salt in electronic cigarette liquid and smoke aerosol. The method comprises a total content determination offree nicotine and nicotine salt and a content determination of nicotine salt using gas chromatography (GC).

The invention relates to a venturi type hollow filter stick for heating cigarettes. The outer part of a hollow filter stick body has a smooth cylindrical structure, and an axial hollow cavity is formed in the hollow filter stick body; in the axial direction of the hollow filter stick body, the structure of the hollow cavity is periodically and continuously changed according to the cavity diameter,and a series combination of a group of thick cavities and thin cavities which are connected in series is formed. When smoke passes through the cavity, the flow speed of smoke fluid is changed due tothe change of the cavity structure, the fluid state is forced to be changed from a laminar flow to a turbulent flow, so that the heat conduction efficiency is improved, and thus the good heat transferand cooling effect is achieved. Meanwhile, when smoke aerosol passes through the venturi type hollow filter stick, the aerosol collides, condenses and releases heat because the diameter of the innercavity part is continuously and alternately changed, and the cooling effect is further enhanced. When the filter stick is used for heating cigarettes, the atomization amount of smoke can be ensured while the temperature is reduced, and the experience feeling of a smoker can be met.

The invention relates to a preparation method of a tobacco raw material for heating cigarettes and a heated cigarette product, and the preparation method comprises the following steps: spraying an organic acid solution with the concentration of 10-50wt% on the tobacco raw material, and controlling the spraying amount of the organic acid to be 5-10wt% of the tobacco raw material; spraying a slow-release agent solution with the concentration of 20-40wt% on the tobacco raw material, and controlling the spraying amount of the slow-release agent to be 5-10wt% of the tobacco raw material; and placing the treated tobacco raw material in an environment of 30-50 DEG C and keeping for 8-16 hours to obtain a tobacco raw material finished product for heating the cigarettes. By combining a slow release process and an organic acid salifying technology, nicotine in the first six mouths of smoke in the smoke aerosol is relatively uniformly released, the smoke satisfaction is relatively good, the irritation is small, the nicotine is integrally uniformly released, and the aroma quality is relatively good.

The invention discloses a draw resistance regulator and an electronic cigarette cartridge comprising the same, the draw resistance regulator comprises a fuming base material section, a hollow section, a filter tip section and a cylindrical hollow wrapping piece, and more importantly, the draw resistance regulator is a solid cylinder, the side wall of the solid cylinder is enclosed by at least two curved surfaces, and the curved surfaces are arranged on the side wall of the solid cylinder. A crescent airflow channel is formed between each curved surface of the side wall and the inner wall of the cylindrical hollow wrapping piece of the electronic cigarette cartridge, one or more protruding points are further arranged on the curved surfaces, and one or more transverse grooves are formed in the joint portion of every two adjacent curved surfaces. The smoke aerosol channel area and the effective length of the channel can be effectively increased, the smoke aerosol is fully mixed when the smoke cartridge sucks air, cooling is assisted, the smoke amount is increased, meanwhile, suction resistance is effectively reduced, and the suction experience is improved.

The invention relates to a method for testing particle size distribution of an electronic cigarette smoke liquid additive in smoke aerosol and belongs to the field of electronic cigarette research. Specifically, the method comprises the following steps: putting an additive into electronic cigarette leaves, smoking in an expected smoking mode, capturing smoke aerosol of different particle sizes ofthe electronic smoke by using an electronic low-pressure impactor (ELPI), treating, testing the additive by using a gas chromatography-mass spectrometer (GC-MS), thereby obtaining distribution situations of the additive in smoke of different particle sizes. Therefore, technical supports are provided for electronic cigarette liquid formula study, sensory quality improvement of electronic cigarettesmoke, and the like.

The invention relates to the technical field of heat not-burning cigarettes, and discloses a method for regulating and controlling aerosol smoke of a double-cartridge heat not-burning cigarette and a device thereof, and by controlling the heating temperature and time of a heating element in a matched mode, the heat not-burning cigarette cartridge can generate stable smoke with various concentrations and various smoking time, the aerosol smoke corresponding to multiple mouth numbers is provided for consumers to select multiple smoking modes; heating control modes of the smoking set comprise a rich mode, a standard mode, a healthy mode and a default mode; and when the smoking set detects the heating signal of the set mode, the heating element obtains the index data and performs heating control on the smoke cartridge according to the heating control method of the set mode. According to the method, the smoke cartridge generates stable aerosol smoke with different concentrations and different durations, before a consumer uses the cigarette, the consumer can select a heating control mode for the heat not-burning cigarette according to the own demand to meet the own demand, and the experience feeling of the consumer is improved.

The invention discloses an air supplementing device and an aerosol generating device. The invention relates to the field of aerosol generating devices. The invention particularly discloses the air supplementing device. A communicating port and a communicating pipeline are arranged; the communicating port is adjacent to a smoke outlet; when the air supplementing device is used , a cigarette can bedirectly smoked after being in direct contact with the smoke outlet; at the moment, the communicating pipeline generates air pressure difference at a microphone under the suction action of a user, themicrophone drives a host to supply power to a smoke cartridge so as to start the smoke cartridge, the user can directly drive the smoke cartridge to work through simple smoking steps, the smoke cartridge is driven to work only when the user smokes, and the starting operation of the user is simplified. Meanwhile, a covering plate is arranged to abut against the end, close to the communicating port, of a boss; when a user smokes aerosol, aerosol or mixed gas remaining at the suction nozzle can be prevented from entering the microphone through the communication pipeline at the moment of stoppingsmoking, tobacco tar stain residues, caused by long-term use of the user, of the communication pipeline can be effectively avoided, and gas can also be prevented from flowing back into a smoke cartridge or a main machine.