240 results about "Cigarette smoke" patented technology

The invention relates to the technical field of fire alarm devices, in particular to a fire-fighting fire alarm structure which comprises a protective shell, a ventilation cover is detachably mounted at the bottom end of the protective shell, a stabilizing plate is fixedly mounted at the inner end of the protective shell, a speed reduction disc is rotatably mounted at the center of the stabilizing plate, and a driving rod is arranged at the bottom end of the speed reduction disc. Fan blades are fixedly installed at the ends, away from the speed reduction disc, of the driving rods through bolts, an air suction barrel used for sucking air is fixedly installed at the upper end of the inner side of the stabilizing plate, a stabilizing frame is fixedly installed at the bottom end of the inner side of the stabilizing plate and located on the left side of the air suction barrel, and a metering device used for recognizing whether smoke is fire gas or not is arranged at the inner end of the stabilizing frame; according to the invention, by weighing the mass of the smoke particles, whether the smoke is fire smoke or not is judged, so that the fire smoke and the cigarette smoke can be distinguished, and false alarms can be reduced.

The utility model belongs to the technical field of heating cigarettes, and particularly relates to a three-section particle type aerosol generating product and an aerosol generating system. The aerosol generating product comprises a particle type aerosol generating matrix section, a plugging piece and a filtering section which are sequentially connected in an abutting mode from the far lip end to the near lip end, and a plugging film is arranged at the far lip end of the particle type aerosol generating matrix section. Generally, it is thought that a hollow cooling section needs to be designed in an existing heating cigarette to reduce the smoke temperature, otherwise, the smoke outlet temperature is too high. According to the invention, a hollow cooling section is removed, and a three-section granular aerosol generating product is designed. Compared with a four-section particle type aerosol generating product (a particle type aerosol generating matrix section, a plugging section, a hollow cooling section and a filtering section) with the same length, the three-section particle type aerosol generating product has the unexpected technical effect of reducing the temperature of a cigarette smoke outlet.

The invention belongs to the technical field of cigarette filtration, and relates to a preparation method and application of a biomass-based supramolecular assembly functional material. According to the method, a large number of plant-based fibers existing in the nature serve as a substrate material, gallic acid and ellagic acid with small molecular sizes are adopted to be matched with tannic acid with large molecular sizes to be coordinated with metal ions, tannic acid molecules can be separated, crowding of the tannic acid molecules is relieved, the utilization rate of hydroxyl on the tannic acid molecules is increased, and the yield of the tannic acid is increased. The molecular assembly efficiency is improved. A metal-polyphenol network functional film is generated on the surface of the plant-based fiber material based on the polyphenol regulated supramolecular assembly structure, and the prepared material can effectively remove tar substances, especially polycyclic aromatic hydrocarbon strong cancerogenic substances, in cigarette smoke, so that harmful ingredients inhaled by smokers are reduced, meanwhile, the smoking experience feeling is not affected, and the cigarette quality is improved. The palatability of the filter tip is improved, and the filter tip has better application value and market prospect in the technical field of cigarette filtration.

A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other is provided. The cigarette filter according to one embodiment of the present disclosure reduces each of tar and nicotine, which are delivered through cigarette smoke, by 70% to 95%. The cigarette filter according to one embodiment of the present disclosure has a resistance to draw of 80 mmWG to 200 mmWG. The cigarette filter according to one embodiment of the present disclosure is filled with the lyocell tow at a packing density of 0.2 g / mL to 0.6 g / mL. The cigarette filter according to one embodiment of the present disclosure addresses basic material-related problems, such as low hardness, of the lyocell tow and, further, has excellent filtration functionality as a filter.

The invention relates to the technical field of tobacco manufacturing, in particular to a method for characterizing the quantitative relaxed feeling of an aerosol generating product, the characterization method realizes the conversion of the cigarette smoking relaxed feeling from subjective qualitative feeling to objective quantitative feeling, through accurate sensor monitoring and scientific algorithm calculation, the individual difference of evaluation is greatly reduced, and the evaluation accuracy is improved. Different laboratories and researchers can obtain quantitative results with high repeatability and high credibility according to the method; a powerful tool is provided for a cigarette research and development link, research and development personnel can adjust elements such as a cigarette formula and a filter tip structure in a targeted manner according to quantitative data, and the smoking easiness is accurately optimized; the invention further provides a characterization device for the quantitative suction relaxed feeling of the aerosol generating product, the characterization device comprises a flow sensor A for obtaining airflow flow Q (t), a pressure difference sensor B for obtaining dynamic suction resistance R (t), a time sequence control unit, a suction machine, a power module and a calculation module, the characterization device is used for achieving the steps of the characterization method, and the related computer product is further provided.

The application discloses a construction method of a cigarette oil fume rapid identification marking system, uses oily fluorescent nano quantum dots as a signal part of a marking system, constructs a marking system capable of simultaneously marking multiple oil points, and after oil fume pollution is found in a production process, can quickly and accurately determine oil leakage and hidden point positions according to the markers on the cigarettes, avoids repeated appearance of the oil fume due to the fact that the problem point position cannot be found, and does not affect the efficacy of the oil product, effectively improves the efficiency and accuracy of cigarette oil pollution identification, and timely finds the oil pollution positions, so that the process consumption is reduced, and the quality of the cigarette product is improved.

The invention discloses a preparation method and application of tobacco essential oil, and the preparation method comprises the following steps: (1) drying tobacco leaves until the moisture is less than 5%, and crushing the tobacco leaves into tobacco powder; (2) adding tobacco powder, an extraction solvent and the graphene nano-roll coated ferroferric oxide nano-particle composite material (FG) into an extraction tank for extraction, and cooling and filtering after extraction to obtain a crude extract; wherein the mass ratio of the tobacco powder to the extract solvent is 1: (8-12), and the addition amount of the FG is 0.1% of the total mass; (3) transferring the crude extract into a concentration tank, concentrating under reduced pressure, and removing the organic solvent and water to obtain an extract; and (4) obtaining the tobacco essential oil from the extract by using a membrane separation technology. The tobacco essential oil disclosed by the invention can be well coordinated with cigarette fragrance, obviously improves the smoke quality, softens the cigarette smoke, enriches the fragrance, improves the sweetness and smoothness of cigarettes, reduces irritation and the like, and meanwhile, has the potential of industrial production.

The invention relates to a method for reducing harmful components in cigarette smoke by using food-grade cyclodextrin metal organic framework materials, which is characterized in that two food-grade cyclodextrin metal organic framework materials CD-MOFs are added into cigarette filters for reducing the harmful components in the cigarette smoke. The unique pore structure and rich hydroxyl functional sites of the gamma-cyclodextrin-KOH and the beta-cyclodextrin-KOH are utilized to efficiently adsorb various harmful components in the mainstream smoke of the cigarette. Compared with a control group without any adsorbent and a control group with only activated carbon as the adsorbent, the CD-MOFs has efficient capturing capability on harmful gases such as carbon monoxide, nitrosonicotine, ammonia gas, benzo [a] pyrene and phenol in the cigarette smoke, and can obviously reduce the cigarette hazard index. The two materials are simple in preparation process, high in cost benefit and good in chemical stability, are food-grade porous materials and have incomparable practical application potential compared with traditional non-food-grade porous materials, and an effective solution is provided for developing novel low-harm cigarette products.

The invention discloses a preparation method and application of a Cu-BNNs chemiluminescent probe for detecting nicotine. Boron nitride and copper chloride dihydrate are used as raw materials, oil bath heating is carried out in N-methyl pyrrolidone (NMP) to synthesize a Cu-BNNs probe, the Cu-BNNs probe can generate strong chemiluminescence signals with nicotine and sodium hypochlorite, a chemiluminescence detection platform of nicotine is constructed based on the strong chemiluminescence signals, and the chemiluminescence detection platform is used for detecting the nicotine. The method can be used for detecting the content of a nicotine solution and the content of nicotine in cigarette smoke. The method has the advantages of high sensitivity, strong anti-interference capability, low detection cost, simplicity and convenience in operation and the like.

A cooling belt-shaped fabric is a structure woven from yarns, the surface of the yarns is covered with abundant hairiness, and the hairiness and the yarn woven structure form numerous longitudinal and transverse channels to prolong the time for smoke to pass through. The yarns contain acetate fibers and polylactic acid fibers, and the yarn woven structure includes a structure formed by plying fancy yarns and a structure woven from ply yarns. The fancy yarns include ring yarns, chenille yarns, bamboo yarns, and loop yarns. The preparation method of the cooling belt-shaped fabric includes spinning and weaving, wherein the control of the amount of yarn hairiness is reduced during spinning to achieve a surface with abundant hairiness; and different numbers of yarns and weaving machines are determined during weaving. Acetate fibers and polylactic acid fibers are green, environmentally friendly, renewable, and have a strong ability to remove harmful substances in cigarette smoke. Acetate fibers can support the woven structure in the cooling section, solving the problem of polylactic acid fibers blocking the smoke channel and increasing the inhalation resistance after melting.

The application discloses a kind of heating cigarette smoking matrix processing systems, comprising: the reel unwinding device of sequentially arranged, conveying device, sheet preforming device, flavoring device and forming device;Conveying device is used to convey the sheet wound on reel unwinding device, so that sheet is transported to sheet preforming device;Sheet preforming device includes upper pressing plate and lower pressing plate, the side wall of upper pressing plate and the side wall of lower pressing plate are rotationally connected, and first pre-pressing assembly and second pre-pressing assembly are correspondingly arranged on lower pressing plate and upper pressing plate, so that sheet forms preset structure after being acted on by first pre-pressing assembly and second pre-pressing assembly;Sheet preforming device is located at the first end of sheet preforming device, flavoring device is located at the second end of sheet preforming device, and flavoring device is used to flavor sheet;Forming device is used for the bunching forming treatment of sheet.The present application has the advantages of simple structure, which can effectively reduce the problem of yellow spot smoke, realize automatic bunching, and reduce the operation difficulty of operator.

A device and method for capturing the particle phase and gas phase of cigarette smoke puff by puff, characterized in that it comprises three groups of smoke channel switching units, a smoke particle phase collector, a gas phase capturing bag, an electric rotating mechanism, a single-channel smoking machine, a control unit and related connecting pipelines; each group of smoke channel switching units is composed of a one-to-many intercommunication smoke diverter plate, a single-channel smoke guide plate and a multi-channel smoke diverter plate which are fixed in series in sequence, the single-channel smoke guide plates in each group are connected to the motor rotating mechanism and the single-channel smoke guide plates are rotated successively to complete the successive switching and conducting of each smoke channel of the diverter plates on both sides thereof, so that each puff of smoke enters each smoke channel in sequence, the present invention realizes the puff-by-puff capturing of the particle phase and gas phase of smoke by the successive conducting of each smoke channel, can be used to analyze and study the puff-by-puff release law of flavor components and harmful components in each puff of smoke, and has strong practicality in the development of heated cigarette products.

The invention relates to a filter element for a cigarette, comprising a cartridge (1) for receiving a filter material, at least one filter cover (2, 2 ') for closing the cartridge, and a filter material (3) for filtering cigarette smoke. In this case, the bobbin (1) and / or the at least one filter cover (2, 2 ') is formed from a biodegradable material, and the filter material (3) is formed from a biodegradable bulk material.

The present invention discloses a method and application for simultaneously reducing polycyclic aromatic hydrocarbons in tobacco leaves and cigarette smoke, as well as a cigarette, which relates to the technical field of harm reduction in tobacco processing. The method includes: preparing a lipase solution; uniformly spraying the lipase solution on both the front and back sides of the tobacco leaves to be treated; subjecting the tobacco leaves sprayed with the lipase solution to constant temperature and humidity treatment, and the content of polycyclic aromatic hydrocarbons in the tobacco leaves after lipase treatment is reduced; cutting the tobacco leaves treated with lipase into shreds, and inactivating the lipase in the shredded tobacco leaves treated with lipase; rolling the inactivated shredded tobacco into cigarette sticks, and the content of polycyclic aromatic hydrocarbons in the smoke after combustion is reduced. The method is applicable to low-grade flue-cured tobacco or cut tobacco after threshing and redrying. The cigarette includes shredded tobacco obtained by lipase treatment. The method of the present invention is simple and easy to operate. After treatment with lipase preparation, it can specifically reduce the content of PAHs in tobacco leaves and cigarette smoke, especially the content of fluoranthene, and can significantly improve the safety of tobacco with a high fluoranthene content.

This invention relates to the field of cigarette component analysis technology, and particularly to smoke adsorption materials, trapping sheets, and methods for detecting volatile components in cigarette smoke. The smoke adsorption material comprises tetraazacalix[2]aromatic[2]triazine supported on a covalent organic framework. It exhibits good trapping effect on various components in cigarette smoke, especially polycyclic aromatic hydrocarbons and aromatic amines in very low concentrations. Furthermore, it has a stable structure, the tetraazacalix[2]aromatic[2]triazine is not easily detached, and it has a long service life. When this material is made into a smoke trapping sheet for the detection of volatile components in cigarette smoke, it can fundamentally reduce the extraction loss of smoke components and improve the final detection range and accuracy.

A virtual smoking system includes: a display device configured to display an image of a virtual reality or augmented reality in which cigarette smoke is generated in response to a user wearing the display device puffing or ingesting an article containing nicotine; a reproducing device configured to reproduce sound in response to a user wearing the reproducing device puffing or ingesting the article, thereby providing a user with a virtual smoking experience.

The present application relates to the technical field of adsorbing material, and particularly relates to a modified silica gel adsorbent and a preparation method and application thereof; comprising the following steps: S1, dispersing silica gel particles in ethanol to obtain a dispersion liquid; S2, adding ammonia water and deionized water into the dispersion liquid of step S1; S3, adding a silane coupling agent into the mixed liquid of step S2; S4, heating and stirring the mixed liquid of step S3, and washing after the reaction to obtain a modified silica gel adsorbent; the modified silica gel adsorbent prepared by the preparation method has a high-efficiency tar-reducing function, can significantly regulate cigarette smoke release, and can effectively control the loss of nicotine and moisture while greatly reducing the tar release, and has excellent comprehensive balance.

This invention discloses a cross-linked cyclodextrin polymer, its preparation method, and its applications, belonging to the field of compound synthesis and separation enrichment technology. This invention employs a Sonogashira coupling reaction to react α, β, and γ cyclodextrins with 2-, 3-, or 6-position fully iodine-substituted cyclodextrins with polyalkynyl groups, respectively, to obtain cross-linked cyclodextrin polymers with large specific surface areas and numerous cyclodextrin cavities. These polymers exhibit good separation effects for organic dyes, small organic molecule pollutants, and harmful components in cigarette smoke.

The invention discloses a copper oxide silver-gold chimeric compound, the chemical formula of the copper oxide silver-gold chimeric compound is CuxO / AgAu, and the molar ratio of copper to oxygen to silver to gold is 1: (0.5-1): (0.01-0.2): (0.01-0.2). The invention further discloses a preparation method of the copper oxide silver-gold chimeric compound and application of the copper oxide silver-gold chimeric compound in nicotine SERS detection.

The application discloses a cigarette filter tip additive de-ignition and harm reduction test smoking machine and a test method thereof, and belongs to the field of tobacco detection equipment. The application overcomes the single-function defect of traditional smoking machines, and aims at developing a multifunctional test assembly and test scheme which are urgently needed for cigarette filter tip additives. The multifunctional test assembly and test scheme can not only realize the detection of cigarette smoke components by traditional smoking machines, but also comprehensively test and analyze the de-ignition and harm reduction performance of cigarette filter tip additives. The multi-site synchronous cigarette lighter can realize the simultaneous detection of multiple cigarette samples, and solves the problem of large test error of traditional smoking machines. The rotary self-switching additive filling cabin and the rotary adsorption sampling area realize the continuous test function of different additives, and the operation is convenient. The four detection schemes of adsorption sampling, test paper detection, photochemical detection and residual gas collection detection are combined, the composition of cigarette smoke can be accurately and comprehensively detected, and the de-ignition and harm reduction test of different additives is realized.

1. The name of this design product: Heated cigarette smoke temperature detector. 2. Purpose of the product of this design: Instrument and equipment used in cigarette smoke temperature detection experiments. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention discloses a method for determining the content of multiple carbonyl compounds in cigarette smoke, which comprises the following steps: S1, smoking a cigarette, and capturing the carbonyl compounds in the cigarette smoke by using a filter disc on which DNPH-phosphoric acid is applied, wherein carbonyl compounds in the cigarette smoke react with DNPH on the filter disc under the acidic condition, so that the filter disc with the carbonyl compounds is obtained; s2, putting the filter disc with the carbonyl compound into a container, adding an extracting agent to obtain an extracting solution, then filtering the extracting solution by adopting a microfiltration membrane to obtain a filtrate, and adding pyridine and an internal standard solution into the filtrate to obtain a sample solution; and S3, determining the sample solution by using an ultra-high performance liquid chromatography-quadrupole electrostatic field orbitrap mass spectrometer to obtain the concentration of each carbonyl compound in the cigarette smoke to be detected. The method provided by the invention can realize simultaneous analysis of 16 carbonyl compounds.

The invention discloses a method and system for measuring cigarette smoke indexes, the smoke indexes comprise tar, nicotine and carbon monoxide, and the method comprises the following steps: obtaining standard data: measuring the smoke index of a raw material tobacco shred sample according to a national standard method, and taking the smoke index as a standard smoke index value; a spectrum collection step: collecting a near infrared spectrogram of the raw material tobacco shred sample; establishing a basic model, namely establishing the basic model by utilizing a regression analysis method based on the near infrared spectrogram and the standard smoke index value of the raw material tobacco shred sample; a model correction step: collecting a near infrared spectrogram of the mixed cut tobacco sample, calculating a measured smoke index value of the mixed cut tobacco sample by using the basic model, determining a correction coefficient and obtaining a correction model; and an unknown sample determination step: collecting the near infrared spectrogram of the unknown sample and obtaining the smoke index value of the unknown sample based on the correction model. The cigarette smoke index can be rapidly determined in the raw material formula design adjustment stage, and product waste is avoided.

The application discloses a cigarette smoke sensor automatic production line, which comprises a conveying assembly (10), a labyrinth loading substation (100), a circuit board assembling substation (200), at least two photoelectric element assembling substations (300), a welding substation (400), a calibration substation (500) and a wax coating substation (600). The conveying assembly (10) conveys semi-finished products in a production process between the substations, the substations are arranged according to working procedures and automatically process and detect the semi-finished products according to the working procedures, and the substations can automatically detect processing results and remove unqualified semi-finished products from the conveying assembly. The cigarette smoke sensor automatic production line can automatically produce cigarette smoke sensors, and automatically detects the processing quality of the semi-finished products in necessary working procedures, so that the labor cost is reduced and the production efficiency is improved.

The invention relates to the technical field of cigarette holder filters and cigarette filter tips, and particularly discloses a composition capable of reducing harm of cigarette smoke as well as a preparation method and application of the composition. According to the composition, the chelating agent, the adsorbent, the stabilizer and the masking agent are compounded, inhalation of harmful substances such as harmful heavy metal and tar in smoke can be reduced, specifically, the content of total solid phases, tar, cadmium, arsenic and lead in the smoke is reduced, the incidence rate of various diseases induced by smoking is reduced, and the health of smokers can be improved.

The invention relates to the field of cigarette smoke analysis and detection, and discloses a cigarette smoke cold trap trapping device and a trapping analysis system and method thereof, and the cold trap trapping device comprises a trapping pipe, a vacuum cover, a vacuum pump, a refrigerator, a heat exchanger, a heater, a discharge pipe, a mounting pipe, a gas source and a switch valve. The trapping pipe is arranged in the vacuum cover, the vacuum pump is used for adjusting the pressure in the vacuum cover, the refrigerating machine is used for stepless adjustment of the refrigerating temperature of the trapping pipe, the heat exchanger and the heater are arranged on the periphery of the trapping pipe in a surrounding mode, and the discharge pipe and the installation pipe are communicated to a first port in a parallel connection mode. The positive pressure source and the negative pressure source are communicated with the second port in parallel, so that a stepless adjustable pressure and temperature environment is provided for the trapping pipe, different experiment requirements are met, and the comprehensiveness of detection and analysis is improved; the heat exchanger, the heater, the gas source and the switch valve are matched to operate, so that efficient thermal desorption of flue gas in the trapping pipe is realized, and the trapping detection and analysis efficiency is improved.

The invention belongs to the technical field of tobacco flavor, and provides a temperature response type microcapsule and a preparation method and application thereof.The microcapsule is composed of a core material and a wall material wrapping the core material, and the core material contains subprostrate sophora essential oil, mangnolia officinalis essential oil, borneol and a solubilizer; the wall material is a compound temperature response material of polycaprolactone-polyethylene glycol segmented copolymer and hydroxypropyl methyl cellulose, the response temperature is 50-60 DEG C, and the mass ratio of the core material to the wall material is 1: 4; the encapsulation efficiency of the microcapsule is greater than or equal to 90%, the particle size is 5-20 microns, and the core material release rate at 55 DEG C is greater than or equal to 95%. The preparation method comprises the following steps: preparing a core material emulsion and a wall material solution, mixing and emulsifying, carrying out rotary evaporation, and freeze-drying. The microcapsule is added into a cigarette filter stick according to 0.5%-2.0% of the total mass of the filter stick, when the cigarette is smoked, the core material realizes aroma enhancement-cigarette softening-release promotion synergy, the wall material can realize precise controlled release, the cigarette smoke quality is remarkably improved after the microcapsule is applied, the microcapsule has a remarkable inhibition effect on key inflammatory factors of throat mucosa, has no foreign flavor, is adaptive to the existing cigarette production process, and is convenient for industrial application.

The invention discloses a smoking behavior recognition method based on multi-source perception and particle size fingerprint analysis, which comprises the following steps: arranging a particulate matter sensor module, continuously collecting a multi-channel particle size spectrum in a target space in a non-optical mode, and generating a high-resolution particle size distribution sequence according to time; an infrared sensor module is arranged to monitor entering and leaving states of personnel in real time; the short-term change of the concentration distribution of the particulate matters with different particle sizes is calculated through a parameterization formula, and the accurate judgment of the smoking event is realized in combination with the personnel state and the PM2.5 speed increase in the same period. According to the invention, the infrared sensing data stream and the particulate matter concentration data stream are deeply analyzed, and the on-site state of personnel and the specific fluctuation mode of cigarette smoke are accurately identified; through cross cooperation verification of multi-dimensional features, interference of water vapor, mosquito-repellent incense and non-artificial smoke sources can be effectively eliminated, and unification of high detection precision and low false alarm rate is achieved. According to the method, imaging equipment is completely abandoned, and the risk of privacy disclosure is avoided from the source.

The invention provides a method for reducing crotonaldehyde in cigarette smoke. The method for reducing crotonaldehyde in cigarette smoke comprises the following steps: (1) mixing apocynum venetum extract with a solvent to prepare a first coating liquid; (2) applying the first coating liquid to the tobacco shreds; and (3) manufacturing cigarettes by adopting the tobacco shreds applied with the first coating liquid. The method can effectively reduce the content of crotonaldehyde in the mainstream smoke of the cigarettes, is simple to operate, easy to industrially realize, cheap and easily available in raw materials and low in production cost, the added substances are traditional Chinese medicine extracts, the requirements of food additive substances are met, the crotonaldehyde content in the smoke is reduced, meanwhile, the crotonaldehyde in the smoke can be coordinated with the cigarette smoke, and the aroma quality of the cigarettes is improved.

The present invention relates to a polyamide / cellulose acetate multi-stage fiber composite tobacco film, a preparation method thereof, and an application. The present invention uses polyamide 6 and cellulose acetate as raw materials and prepares a composite tobacco film containing multi-stage sized fibers by means of electrospinning technology. The multi-stage fiber composite film prepared by the present invention has the characteristics of small fiber diameter, multi-stage structure, and high adsorption efficiency. The multi-stage structure can directionally and efficiently adsorb solid particulate matters and toxic and harmful components in indoor cigarette smoke of different sizes, improves the filtering effect, retains a certain cigarette taste, and can also be biodegradable, being green and environmentally friendly. The present invention has the advantages of easily available raw materials, adjustable size, suitability for industrial production, etc., and has good application prospects in flue gas filtration.