127 results about "Burn cigarette" patented technology

The present invention belongs to the field of heat-not-burn cigarettes, and particularly relates to a hermetically heated cigarette rod with controllable draw resistance. The cigarette rod includes, from upstream to downstream, a tobacco section (1) with a sealed upstream end, a controllable draw resistance section (2), and a functional filter section (3) that are coaxially abutted in sequence. The cigarette rod is wrapped with an outer wrapper (4); wherein, the controllable draw resistance section (2) is a tube body having an axial central cavity (2-1) and circumferential sidewall through holes (2-2); the controllable draw resistance section (2) further includes a restricting and guiding element (2-3) disposed in the central cavity (2-1) and having an axial channel. The cigarette rod of the present invention is provided with a barrier layer covering the circumferential sidewall and the sidewall through holes of the central cavity in the controllable draw resistance section, which has a certain air permeability. During suction, it does not affect the inflow of external air; when not sucking, the smoke will not escape through the sidewall through holes either. Therefore, the loss of smoke can be effectively reduced.

The invention relates to a preparation method of a heating cigarette tobacco sheet with high thermal conductivity and a product and application thereof, and the preparation method comprises the following steps: dispersing boron nitride nanowires and / or boron nitride nanotubes in water, and carrying out ultrasonic treatment to obtain a boron nitride dispersion liquid; mixing the tobacco raw material subjected to low-temperature plasma treatment with the dispersion liquid, carrying out vacuum stirring treatment, and then unloading vacuum to normal pressure to obtain a tobacco treatment object; mixing the tobacco pulp with an adhesive, an atomizing agent, water and optional flavors and fragrances to obtain tobacco pulp; carrying out roll forming on the tobacco slurry on a tobacco sheet substrate material to form a sheet blank; and then carrying out drying treatment to obtain the product. The tobacco sheet can solve the problems that an existing heat-not-burn cigarette is poor in heat conductivity, uneven in heating, low in smoke release rate and insufficient in fragrance release, and the smoking experience of a user is improved.

The utility model relates to the technical field of cigarettes, in particular to a heat-not-burn cigarette filter stick which comprises a filter stick inlet section, a filter stick hollow section and a filter stick base material section. The bottom end of the filter stick inlet section is fixedly connected with the top end of the filter stick hollow section, the bottom end of the filter stick hollow section is fixedly connected with the top end of the filter stick base material section, and the bottom end of the filter stick base material section is connected with the tobacco section. The filter stick hollow section comprises the annular shell, the cavity is formed in the center of the annular shell and used for being filled with tricholoma matsutake particles, smoke can be fresh, the smoke contains the effective component, namely, pine mud alcohol, in tricholoma matsutake, and therefore the filter stick is beneficial to the human body, and the smoking feeling of a user is improved. By arranging the filter stick base material section, smoke sequentially passes through the cooling filter element and the filter stick hollow section, the smoke temperature is reduced, meanwhile, beneficial ingredients in tricholoma matsutake particles are released, meanwhile, the cooling groove is formed in the filter stick base material section, a user can be prevented from being scalded due to the fact that the temperature of the filter stick is too high during smoking, and then the use feeling of the cigarette is improved.

The present invention belongs to the technical field of heat-not-burn cigarettes, and particularly relates to a solid gel smoke stick, a preparation method of the solid gel smoke stick, and a cigarette containing the same. The smoke stick has a rod-shaped structure with an outer wall and a core. The outer wall of the smoke stick is beeswax, and the core of the smoke stick is a gel containing a smoking agent. For the first time, the smoke stick formed by surrounding the gel with such an outer wall is filled into the smoke generating section of a heat-not-burn cigarette. The solid gel smoke stick is not a reconstituted tobacco sheet, so the addition amounts of the smoking agent and flavoring substances in the smoke generating section are not restricted. The total amount of the smoking agent and flavoring substances added in the smoke generating section of the present invention under the same weight is 5 to 7 times that in the reconstituted tobacco sheet, which can perfectly solve the problem of insufficient addition amounts of the smoking agent and flavoring substances caused by the limitation of the processing intensity in the reconstituted tobacco sheet.

The present application provides a preparation method for shag for a heat-not-burn cigarette. The method comprises: (1) performing loosening and moisture regain of tobacco leaves to obtain tobacco pieces; (2) spraying a first smoke-producing agent into the tobacco pieces; (3) storing at room temperature the tobacco pieces into which the first smoke-producing agent is sprayed; (4) shredding the tobacco pieces into shag; (5) spraying a second smoke-producing agent into the shag; (6) baking the shag; (7) cooling the shag to room temperature, and spraying spice into the shag; and (8) storing the shag at room temperature to obtain the shag for a heat-not-burn cigarette.

The utility model provides an aroma-carrying gel rod for a cigarette, a filter rod and a heating non-burning cigarette cooling section, the aroma-carrying gel rod comprises an aroma-carrying gel core rod (2) and a high-molecular polymer tube (1), and the high-molecular polymer tube (1) is filled with the aroma-carrying gel core rod (2); in a room temperature environment, the fragrance-carrying gel core rod (2) is in a solid state. The fragrance-carrying gel stick for the cigarette has better fragrance storage and release capacity, and meanwhile, compared with a gel-containing cigarette product produced in a traditional liquid filling mode, the fragrance-carrying gel stick for the cigarette has better temperature resistance and better storage and transportation conditions. Materials used for manufacturing the fragrance-carrying gel stick are wide in source, high in safety and low in cost, and the fragrance-carrying gel stick is simple in structure, easy to prepare and apply and suitable for traditional cigarettes or heating non-combustion fuming products.

The invention provides a heating cigarette based on fuming of a phase-change material. The heating cigarette comprises a filter stick section, a cigarette core section and a phase-change fuming section which are sequentially connected from a near-mouth end to a far-mouth end, the filter stick section, the cigarette core section and the phase change fuming section are wrapped and formed by tipping paper for cigarettes; the filler of the phase change fuming section comprises dry ice microcapsule particles and an adsorption material loaded with liquid nitrogen. According to the heating cigarette, liquid nitrogen in the phase change fuming section can be rapidly refrigerated, water vapor is condensed to generate high-density rime fog, dry ice can maintain a low-temperature state for a long time, the water vapor is condensed to generate high-density rime fog (secondary fuming), the liquid nitrogen and the dry ice are matched for use, the smoke amount can be increased by 300% or above while the temperature is reduced, and then the satisfaction of consumers is better improved.

The invention provides a fuming core material, a preparation method thereof and application of the fuming core material in cigarette heating. The fuming core material is of a three-layer core-shell structure and comprises a composite heat-conducting porous matrix located on the inner layer and loaded with smoke generating components, a pH adjusting layer located on the middle layer and flavor controlled-release microcapsules located on the outer layer. The fuming core material is filled with tobacco components containing nicotine and other flavor components through a three-dimensional composite heat-conducting porous matrix loading frame and wraps core-shell structure microcapsules to form an outer controlled release layer, and a functionalized core material system which is rapid in heat transfer response, adjustable in core material flavor, capable of controlling smoke release and capable of achieving heat-mass transfer coupling is formed. The system not only can fully load nicotine components, shorten heat transfer response time, balance aroma components by using the pH regulator and soften taste, but also enhances flavor release stability and smoke quality and keeps aroma and taste of smoke through the design of the core-shell structure microcapsules.

1. The name of the design product: filter rod (lotus flower shape). 2. The use of the design product: as a filter rod, or filter core, or a section of composite filter rod core of cigarette or heat-not-burn cigarette, used for smoke filtration after being wrapped with a cigarette. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. The rear view, top view and bottom view of each design are the same as the front view, and the rear view, top view and bottom view of each design are omitted. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained: a in design 4 is a transparent film paper.

The present invention belongs to the technical field of heat-not-burn cigarettes, and particularly relates to a smoking segment that increases the draw resistance and smoke volume of cigarettes, a cigarette containing the same, and its preparation. The outer surface of the smoking segment has a threaded groove extending along its axial direction. In order to reduce the empty feeling and insufficient smoke volume of existing cigarettes, the present invention designs a smoking segment with a threaded groove on the outer surface, and the smoking segment has two structures, hollow and solid, which are respectively suitable for central heating and circumferential heating. Under the two heating methods, the channels for smoke and external air flow are the threaded grooves on the outer surface of the smoking segment. This threaded air path can effectively increase the draw resistance and reduce the empty feeling during inhalation.

The utility model discloses an anti-scald acupuncture device which comprises a needle body, the outer wall of the needle body is movably connected with a combustion tank, an anti-scald mechanism is arranged in the combustion tank, and a dustproof mechanism is arranged on the combustion tank. According to the acupuncture and moxibustion device capable of preventing scalding, the burning moxa section is directly placed in the burning net to provide heat for the needle body, and the situation that in the clamping and using process of the moxa section, due to the fact that the moxa section is burnt to the position close to the clamped position, the moxa section is disengaged from being clamped and falls off, burning cigarette ash is raised, and a user is scalded is avoided; the use safety of the device is improved, a bearing block is driven to ascend and descend through rotation of a rotary disc, the position of a combustion moxa section away from a needle body is adjusted, the heating strength on the needle body is adjusted, the flexibility of the device is improved, and moxa sections of different thicknesses can be placed in a combustion net for combustion use. And the combustion net can reduce the situation that cigarette ash is separated from the interior of the combustion tank to the outside, and the application range and safety of the device are improved.

The invention provides a fermented mixed wood aroma-enhancing slow-release spice and application thereof in cigarette heating. The method comprises the following steps: drying and crushing three wood raw materials, namely camphorwood, cinnamon and syzygium aromaticum, sieving with a 50-mesh sieve, and mixing according to a certain proportion; mixing bacillus velezensis liquid, beta-glucosidase, candida antarctica lipase B and neutral protease, spraying the mixture into the mixed wood powder, and carrying out static fermentation to obtain a fermented mixed wood raw material; carrying out dry distillation reaction on the fermented mixture; and refining the collected dry distillation product through a ceramic membrane, mixing with a chitosan solution and an emulsifier, carrying out an ionic cross-linking reaction, and freeze-drying to obtain the fermented mixed wood aroma-enhancing slow-release perfume. When the prepared fermented mixed wood aroma-enhancing slow-release spice is applied to heat-not-burn cigarettes, the aroma of the cigarettes can be obviously improved, the aroma of the cigarettes is coordinated, offensive odor is covered, irritation is reduced, and the heat-not-burn cigarettes are endowed with the aroma of characteristic smoke aroma, chocolate aroma, nut aroma and pineapple aroma.

1. The name of the design product: filter rod (mimicry cavity). 2. The use of the design product: the product is used for filter rod of cigarette or heat-not-burn cigarette filter. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a cigarette core material, a heat-not-burn cigarette and a cigarette preparation process, and the cigarette core material comprises a cigarette core material body which is formed by mixing a filiform cigarette material, a peduncle-shaped cigarette material and a sheet-shaped cigarette material; the sizing agent is arranged on the cigarette core material body, and the sizing agent is used for improving the wettability of the cigarette core material body. According to the cigarette core material, the heat-not-burn cigarette and the cigarette preparation process provided by the embodiment of the invention, under the action of the sizing agent, the wettability of the cigarette core material body is improved, so that the adsorption capacities of all heterogeneity components in the cigarette core material body to feed liquid tend to be close, and when relevant feed liquid is added to the cigarette core material body, the quality of the cigarette core material body is improved. The overall distribution uniformity of the feed liquid is improved, and the atomization release of the smoke agent is more uniform during subsequent heating and smoking, so that the smoking sense of a cigarette product is improved.

The utility model relates to the technical field of atomization, in particular to an aerosol generating device and electronic aerosol generating equipment, the aerosol generating device comprises a first atomization shell, a second atomization shell and an atomization core assembly, the first atomization shell is provided with a suction nozzle, the second atomization shell is movably or detachably connected with the first atomization shell, and the first atomization shell is provided with a suction nozzle. A mounting opening is formed in the end, facing the first atomization shell, of the second atomization shell. Due to the fact that the first atomization shell is provided with the suction nozzle capable of being communicated with the atomization cavity, the suction nozzle can replace a suction nozzle section of a traditional heating non-combustion cigarette cartridge, the suction nozzle is a part of the first atomization shell, the atomization matrix is installed in the atomization cavity of the second atomization shell, the suction nozzle is separated from the atomization matrix, and heat energy generated by heating of the atomization matrix is difficult to transfer to the suction nozzle. A hollow cooling section of a traditional heat-not-burn cigarette cartridge can be omitted, so that an atomization matrix only comprising a tobacco section can be installed in the atomization cavity of the aerosol generating device, and the use cost of a user is greatly reduced.

The utility model discloses a heating body for heating a non-burning cigarette, which comprises an equipment shell, a main limiting cylinder is fixedly sleeved in the middle of the equipment shell, vent holes are formed in the right sides of the equipment shell and the main limiting cylinder, and a first gear and a second gear are connected to the inner side of the equipment shell close to the bottom through bearings. The second gear is located at the bottom of the main limiting cylinder, the top of the second gear is fixedly connected with a threaded cylinder, the inner side of the threaded cylinder is in threaded connection with an inner pushing cylinder, the inner side of the inner pushing cylinder is movably sleeved with a power source assembly, and a power source and a matched assembly used for heating of the heating body are arranged in the power source assembly. And the top of the power supply assembly is fixedly connected with a high-resistance nano oxide ceramic layer and a heating body. According to the utility model, the high-resistance nano oxide ceramic layer and the heating body are arranged, and the spiral structure is adopted, so that the problems that the heating body is not uniform in thermal field, difficult to insert after being used for multiple times and unstable can be solved.

The invention provides a heat-not-burn cigarette and application thereof.The heat-not-burn cigarette comprises a cigarette inner core, and the cigarette inner core is prepared through a method including the following steps that tobacco powder, an atomizing agent, a solvent and a binder are mixed to obtain a mixed solution, then the mixed solution is sucked into foam metal in a vacuumizing mode, and the foam metal is sealed to obtain the heat-not-burn cigarette. And drying to obtain the cigarette inner core. The heating non-combustion cigarette is low in suction resistance, good in heat conduction effect, sufficient in smoke amount, good in production stability and high in consistency.

This invention discloses a heating-not-burning cigarette cooling unit containing a phase change cooling material and a heating-not-burning cigarette. The unit comprises at least a carrier paper and a phase change cooling material coated on the carrier paper. The phase change cooling material is distributed in a non-fully-covering, regular pattern on the carrier paper. The carrier paper coated with the phase change cooling material forms multiple longitudinally extending channels through winding, folding, gathering, bending, and wrinkling, and has a porosity of 40%-90% along the longitudinal direction. The phase change cooling material comprises 55-96 parts by weight of polyethylene glycol, 1-5 parts by weight of in-situ reinforcing material, and 3-40 parts by weight of thermally conductive filler. The heating-not-burning cigarette cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The present invention discloses a cigarette cartridge magazine and a heat-not-burn cigarette device, wherein the cigarette cartridge magazine includes a body, a heating core and a fixing member; wherein a heating space is provided in the body, a limiting cover is formed at one end of the body, at least one airway hole is provided on the limiting cover, and the outer surface of the limiting cover is an arc-shaped surface; one end of the heating core extends into the heating space after passing through the limiting cover; the fixing member abuts against the center portion of the arc-shaped surface, and a gap is formed between the fixing member and the surrounding portion of the center portion, and the other end of the heating core is fixedly connected to the fixing member. The present invention forms a gap between the limiting cover with an arc-shaped surface and the fixing member, thereby, the smoke volatilized from the base of the heat-not-burn cigarette can be temporarily retained in the gap through the airway hole. When inhaling, the smoke retained in the gap can make up for the smoke concentration when taking a puff, so that the concentration of the heat-not-burn cigarette device when taking a puff is closer to that of traditional cigarettes, thereby improving the smoking experience.

The heating non-combustion cigarette smoking set comprises a shell cover, a smoking shell, a battery, a controller, a heating piece and a filter, the cross section of the shell cover and the cross section of the smoking shell are rectangular, a rectangular cavity is formed in the smoking shell, the smoking shell is connected with the shell cover at one end of the cavity, an air inlet communicated with the cavity is formed in the shell cover, and an air outlet communicated with the cavity is formed in the shell cover. A cavity is formed in one end of the smoking shell, an air outlet is formed in the other end of the cavity, a filter is installed in the cavity close to the air outlet, heating pieces are laid on the four walls in the cavity and connected with a battery fixed to the outer side of the smoking shell through connecting wires, the smoking shell is sequentially composed of a lining, a shell body and a coating from inside to outside, and the shell body is made of carbon fiber reinforced polyether-ether-ketone materials. The inner lining is embedded in the inner side of the shell and is made of a stainless steel material, the outer side of the shell is coated with the coating, the coating is a diamond-like carbon film, the hardness of the coating is 2000-3000 Hv, the heating piece is made of a graphene carbon nanotube three-dimensional structure composite material, and the heat conductivity coefficient of the heating piece is 25-30 W / mk.

The present application relates to the technical fields of heating non-combustion cigarette, disclose a kind of double cartridge heating non-combustion cigarette, including smoking section, functional section and two fracture structures, the smoking section includes first smoking section and second smoking section, first smoking section and second smoking section are respectively fixedly connected at the two ends of functional section, first smoking section and second smoking section are filled with tobacco in, two fracture structures are located at the connecting place of first smoking section and second smoking section and functional section respectively, or two fracture mechanisms are all located on functional section.The present application can avoid using the cooling filter rod unit with weak processing and high cost;When rolling production, the slitting process is less, and the costs required for the processing and production of cigarette are reduced;Adapt to corresponding heating non-combustion cigarette set to use double cartridge to produce double heating non-combustion cigarette smoke release simultaneously, improve the quality of smoking.

Using an environmentally friendly cigarette offers several main advantages, including: 1. Filter disposal: This cigarette contains a non-replaceable medical-grade plastic filter that can either be cleaned or washed. 2. Prevention of cigarette fires: The entire cigarette is inserted into a closed cylinder and burned completely. 3. Cleanliness: This cigarette allows the smoker to do without an ashtray due to the closed cylinder. 4. Control over the amount of smoking: The smoker can control the desired amount in advance by regulating the air supply in the cylinder. 5. Odor Elimination: Due to the lack of direct contact between hand and mouth with the burning cigarette, the smoker is freed from odors that normally cling to the hands and mouth. The eco-cigarette consists of two main parts and rods (3) that surround the outer cylinder shell (4). The two parts are the outer cylinder (4), which contains a hollow perforated cylinder (6), and the outer sleeve (10), which contains the holder (7) for the components. These components are the filter (9) and the air cooler (8).

The utility model discloses a kind of heating non-combustion cigarette smoking set clamping and starting device, belong to cigarette smoke detection technical field.The device includes main support, clamping starting block and control device, clamping starting block is slidably installed by dovetail groove guide rail to main support, clamping starting block is built-in air bag and air pressure drive starting head, control device realizes the accurate control of clamping force and starting pressure by multiple independent gas circuit and communication module.The utility model solves the problem that smoking set adaptability is poor in prior art, is prone to mechanical damage, starting efficiency is low and system integration is insufficient, with the advantages of clamping stable, flexible protection, starting synchronism is high and the advantage of high degree of automation, applicable to laboratory efficient smoke suction analysis.

A lyocell fiber tow for a heat-not-burn cigarette filter tip and a preparation method therefor, a heat-not-burn cigarette and a filter tip. The denier per filament of the lyocell fiber tow is controlled in the range from 10.0 D to 30.0 D, the total denier of the tow is controlled in the range of 10000 D to 40000 D depending on the circumference of a filter stick, and the cross section of the lyocell fiber tow is elliptical or circular. Since the lower the denier per filament of the fiber tow, the higher the number of monofilaments, the greater the chance of collision between vape smoke and fibers during movement, and the higher the filtration efficiency of the filter tip, the lyocell fiber tow uses a high-denier-per-filament tow design to reduce the filtration effect thereof; when the denier per filament of the fiber tow remains unchanged, the filtration efficiency increases as the total denier of the fiber tow increases, therefore the lyocell fiber tow uses a low-total-denier design to increase the transmission efficiency for vape smoke; and since the cross section of the lyocell fiber tow is elliptical or circular, the specific surface area can be reduced, thereby achieving a high-permeability effect.

A closed heat-not-burn cigarette and an assembly. The assembly comprises a closed heat-not-burn cigarette (1) and a heating smoking set (2), wherein when in use, the closed heat-not-burn cigarette (1) is inserted into the heating smoking set (2) where the cigarette is heated for smoking. The closed heat-not-burn cigarette (1) comprises a tobacco rod (1-1), a hollow smoke extraction cone (1-2), a smoke transmission pipe (1-3) and a filter tip (1-4), which are sequentially connect to each other in an abutting manner and are wrapped in an external rolling connection material (1-5), at least one through hole (1-3-1) is provided in a side wall of the smoke transmission pipe (1-3), and the through hole (1-3-1) penetrates the external rolling connection material (1-5); the heating smoking set (2) comprises a heating section (2-1), a cap (2-3) and a sealing ring (2-2), the heating section (2-1) being internally provided with a cigarette accommodating cavity (2-1-1) and a heating element (2-1-2), and the inner cavity of the cap (2-3) being of a gradually-expanded structure. Air does not flow through a tobacco section, thereby reducing the oxygen content of the tobacco section; a closed structured is used, thereby preventing tobacco residues from falling off; and aroma components in the tobacco are released more fully, such that the taste is closer to that of traditional tobaccos.

The invention belongs to the technical field of heating non-combustion cigarettes, and provides an aerosol generating material based on biomimetic mineralization and a preparation method thereof.The aerosol generating material is of a fiber net structure, raw materials comprise polysaccharide or modified polysaccharide, polyhydric alcohols and inorganic salt, and the aerosol generating material is prepared through biomimetic mineralization through a direct mixing method or a template aerogel method, the inorganic salt is selected from a calcium-phosphorus compound, silicate, carbonate or phosphate; the loading amount of the polyhydric alcohol in the aerosol generating material is 10%-30%. A fiber net structure is constructed through biomimetic mineralization, a bearing space and a release channel are provided for polyol, and it is ensured that when the aerosol generating material is used for heating cigarette products, the aerosol generating material can show excellent rapid fogging performance.

The invention provides a preparation method of a heat-not-burn cigarette cooling material based on a papermaking method. The preparation method comprises the following steps: preparing base paper; and uniformly dispersing the phase-change microcapsules, the heat-conducting material and the phase-change water-soluble polymer material in water to obtain a mixed solution, coating two surfaces of the prepared base paper with the solution, and drying to obtain the heat-not-burn cigarette cooling material. The preparation method based on a papermaking method has the advantages of being simple and mature in process, suitable for large-scale production, low in cost and the like, the plant fibers serve as a framework in the composite material, the advantages that the paper base is combined with the phase change microcapsules are utilized, and the problems that a PLA film is large in brittleness, not resistant to processing and prone to melting and adhesion at the high temperature are effectively solved; the comprehensive performance of the material is improved.

The present invention discloses a push-button type automatic unloading and resetting heat-not-burn cigarette smoking device, which comprises an upper shell (1), a cigarette cup (2), a heating sheet (3), a unloading button unit (4) and a lower shell (5), wherein a first spring (11) is provided between the inner wall of the upper shell (1) and the outer wall of the cigarette cup (2); the unloading button unit (4) comprises: an unloading button outer shell (41), an unloading button inner shell (42), and a crowbar (43), wherein a second spring (44) is provided between the lower end of the unloading button outer shell (41) and the lower end of the unloading button inner shell (42); the upper end of the unloading button inner shell (42) comprises a movable groove (421), and the middle part comprises a crowbar (422) protruding toward one side of the unloading button outer shell (41). The device simplifies the smoking device, making the process of extracting and unloading cigarettes simpler, and unloading cigarettes and automatically resetting the cigarette cup can be realized by directly pressing a button, thereby improving the smoker's experience.

The application provides a heating non-combustible cigarette structure and a manufacturing method, and relates to the technical field of cigarette manufacturing.The heating non-combustible cigarette structure comprises inner-layer cigarette paper arranged on the outer side of tobacco and outer-layer cigarette paper arranged on the outer side of the inner-layer cigarette paper.The inner-layer cigarette paper is non-ventilation paper provided with an aluminum foil, and the outer-layer cigarette paper is adsorption paper, so that the inner-layer cigarette paper and the outer-layer cigarette paper are processed in groups and are sequentially wrapped on the outer side of the tobacco during cigarette manufacturing.The application is simple in structure, and the outer-layer paper of the heating non-combustible cigarette is divided into a multi-layer structure.The multi-layer paper is processed in groups and is wrapped layer by layer.The same base paper is used in the processing mode, and the functional layers are different, so that the processing can be applied to different specifications and different cigarettes, and the production efficiency is high.The aluminum foil is added to the multi-layer paper, so that the temperature is uniform, and the adsorption layer prevents tar from seeping out, thereby effectively improving the smoking experience of the cigarette.

The present invention belongs to the field of heat-not-burn cigarettes, and particularly relates to an airtight heated cigarette. The cigarette includes, from upstream to downstream, a tobacco section (1), a low draw resistance section (2), and a functional filter section (3) that are coaxially abutted in sequence, and an outer wrapper (4) is wrapped around the cigarette; the low draw resistance section (2) is a tube body having an axial central cavity (2-1) and circumferential side wall through holes (2-2), and the number of the side wall through holes (2-2) is at least one; the circumference and / or upstream end face of the tobacco section (1) is wrapped by a paper-based or foil-based material with airtight or controllable air permeability to form an airtight system. The present invention designs an airtight cigarette for the first time. Since the fresh flue gas formed has a replacement effect on the internal atmosphere of the cigarette, the oxygen content in the cigarette will decrease during the heating process, and even if the temperature is increased, combustion will not occur. Therefore, the heating temperature can be increased to fully release the tobacco aroma components and increase the flue gas volume.