WO2021035885A1 - 一种降温嘴棒及具有该降温嘴棒的低温卷烟 - Google Patents

一种降温嘴棒及具有该降温嘴棒的低温卷烟 Download PDF

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Publication number
WO2021035885A1
WO2021035885A1 PCT/CN2019/110500 CN2019110500W WO2021035885A1 WO 2021035885 A1 WO2021035885 A1 WO 2021035885A1 CN 2019110500 W CN2019110500 W CN 2019110500W WO 2021035885 A1 WO2021035885 A1 WO 2021035885A1
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WIPO (PCT)
Prior art keywords
rod
film
cooling
tow
cooling nozzle
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PCT/CN2019/110500
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English (en)
French (fr)
Inventor
陈义坤
柯炜昌
李丹
刘冰
刘华臣
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湖北中烟工业有限责任公司
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Publication of WO2021035885A1 publication Critical patent/WO2021035885A1/zh

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the invention relates to a cooling nozzle stick and a low-temperature cigarette with the cooling nozzle stick, belonging to the technical field of low-temperature cigarettes.
  • Low-temperature cigarettes heat the tobacco through external heating elements.
  • the atomization medium in the cigarette, the flavor components in the tobacco, and the additional fragrance are heated to produce smoke instead of burning, which can reduce the combustion and heat of the tobacco in traditional cigarettes.
  • an important component is the cigarette of the heated cigarette, which is a tobacco product that releases smoke aerosol under low-temperature heating conditions.
  • the tobacco product reaches the atomization temperature under the conditions of 250°C (degrees Celsius) to 350°C, and the temperature of high-temperature atomized smoke entering the oral cavity through the filter section will be higher than the combustion temperature of ordinary cigarettes. Therefore, the development of cigarettes with suitable temperature is the key to low-temperature cigarettes.
  • the nozzle rod material is used to cool the longitudinally flowing high-temperature atomized flue gas.
  • the cooling material of the mouthpiece is limited by the length of the mouthpiece, and the flue gas flow rate is relatively fast, the cooling effect of the mouthpiece material is poor.
  • the cooling material, especially the cooling nozzle rod prepared in the form of a film will melt when the surface is in contact with high-temperature flue gas, which will easily cause blockage of the flue gas channel, making it difficult for the subsequent cooling material to contact the high-temperature flue gas, which not only affects the cooling effect of the cooling material, but even Lead to a sharp drop in the amount of smoke.
  • the object of the present invention is to provide a cooling nozzle stick and a low-temperature cigarette with the cooling nozzle stick, which can effectively cool the flue gas with high cooling efficiency.
  • the present invention proposes a cooling nozzle rod, comprising: a first hollow rod with a first through hole for smoke to pass through, and the first end of the first hollow rod is used for To connect the tobacco section; a mixed tow rod, which includes a basic tow used to filter harmful components in the smoke and a doped tow that is doped with the basic tow and used for heat storage and cooling, the basic tow The phase transition temperature of the tow is greater than the phase transition temperature of the doped tow, the first end of the mixed tow rod is connected to the second end of the first hollow rod; and the second hollow rod is internally provided In the second through hole through which the flue gas passes, the first end of the second hollow rod is connected to the second end of the mixed tow rod, and the flue gas flows in through the second end of the second hollow rod In the mouth of the user.
  • the basic tow includes acetate tow.
  • the doped tow is made of heat storage material.
  • the doped tow includes polylactic acid fiber tow, polypropylene fiber tow, polyglycolide fiber tow, polyglycolide fiber tow and/or polyvinyl alcohol fiber tow bundle.
  • the mixing ratio of the basic tow and the doped tow is 8:2 to 1:9.
  • the single denier of the basic tow is 6-25, and the single denier of the doped tow is 6-25.
  • a film-coated rod for reducing the temperature of the flue gas is provided between the first hollow rod and the mixed tow rod.
  • the film-coated rod includes a film body and a through hole; the through hole includes a third through hole, which is arranged on the side wall of the film body, and ambient cold air passes through the third through hole. Hole into the inside of the film-coated rod; and a fourth through hole, which is provided in the inside of the film-coated rod, is surrounded by the film body, and the smoke passes through the fourth through hole. The first end of the film-coated rod flows into the second end of the film-coated rod.
  • the film body includes a paper film and a multi-layer cooling film
  • the paper film is wrapped on the outer surface of the multi-layer cooling film
  • the multi-layer cooling film includes a first cooling film and a second cooling film. Two cooling films, the first cooling film is arranged on the outer surface of the second cooling film.
  • a third cooling film is provided on the outer surface of the paper film, and the third cooling film is provided on the outer surface of the paper film.
  • the first cooling film, the second cooling film, and the third cooling film are respectively made of one of polyethylene terephthalate and polylactic acid or a mixture thereof .
  • the thickness of the membrane body is 30-60 microns, and the air permeability of the membrane body is 100-500 CU.
  • the outer surfaces of the first hollow rod, the film-coated rod, the mixed tow rod, and the second hollow rod are respectively provided with a first forming paper.
  • the first hollow rod, the film-coated rod, the mixed tow rod, and the second hollow rod are jointly covered by a second molding paper to form the cooling nozzle rod.
  • the basis weights of the first forming paper and the second forming paper are 60 to 80 grams, respectively, and the air permeability of the first forming paper and the second forming paper are 100 to 500 CU, respectively. .
  • the aperture of the first through hole is 3 to 5 mm.
  • the diameter of the second through hole is 2-5 mm.
  • the present invention provides a low-temperature cigarette, which includes the cooling nozzle rod and the cut tobacco section connected with the cooling nozzle rod.
  • the cooling nozzle rod and the tobacco shredded section are connected by tipping paper.
  • the basis weight of the tipping paper is 60 to 80 grams, and the air permeability of the tipping paper is 100 to 500 CU.
  • the present invention has the following advantages: 1.
  • the present invention is provided with a mixed tow rod, the doped tow is dispersed by the basic tow, the deformation of the doped tow is restricted when heated, and it will not be melted. Blocking the holes in the basic tow can reduce the blockage of the flue gas, thereby improving the flue gas cooling efficiency of the cooling nozzle stick, and the cooling effect is good.
  • the basic tow and/or doped tow of the present invention have a large specific surface, which can increase the total surface area of the mixed tow rod in contact with the flue gas, thereby further improving the cooling efficiency of the cooling nozzle rod. 3.
  • the present invention is equipped with a high single-denier basic tow and doped tow, which can make the ambient cold air fully contact the flue gas, which is beneficial to the flue gas cooling. 4.
  • the present invention is provided with a film-coated rod, which can further reduce the temperature of the flue gas.
  • the film body of the present invention is provided with a first through hole, which can facilitate the introduction of environmental cold air into the film-coated rod to cool the atomized smoke.
  • the present invention is provided with a third cooling film, which can facilitate the lateral heat insulation in the cooling mouth stick, so as to prevent the lips from being burned due to excessive temperature of the cooling mouth stick at the contact part of the lips. 7.
  • the present invention is provided with the first forming paper, which can facilitate the introduction of cold ambient air into the first hollow rod, the film-coated rod, the mixed tow rod and the second hollow rod to cool the atomized flue gas.
  • the present invention is provided with a second forming paper, which facilitates the introduction of ambient cold air into the cooling nozzle bar to cool the flue gas, and can further improve the cooling effect of the cooling nozzle bar.
  • the present invention is provided with tipping paper, which facilitates the introduction of cold ambient air into the cooling nozzle to cool the flue gas, and can further improve the cooling effect of the cooling nozzle. 10.
  • the present invention is equipped with a double hollow rod structure, which can increase the contact area between the ambient cold air and the flue gas, so that the cooling nozzle rod can fully contact the ambient cold air during the interval between two intakes, thereby further improving The cooling effect and cooling efficiency of the cooling nozzle stick effectively cool the flue gas.
  • Figure 1 is a schematic structural diagram of a specific embodiment of the cooling nozzle stick of the present invention.
  • Fig. 2 is a schematic structural diagram of a specific embodiment of the low-temperature cigarette of the present invention.
  • the cooling nozzle rod proposed by the present invention includes: a first hollow rod 1, a first through hole for flue gas is provided inside the first hollow rod 1, and a first end of the first hollow rod 1 Used to connect the tobacco section, the smoke generated by the combustion of the tobacco section enters the first hollow rod 1; the mixed tow rod 2, the mixed tow rod 2 includes the basic tow and the basic tow used to filter harmful components in the flue gas Doped and used for heat storage and cooling, the phase transition temperature of the basic tow is greater than the phase transition temperature of the doped tow, the first end of the mixed tow rod 2 is connected to the second end of the first hollow rod 1 ,
  • the mixed tow rod 2 can effectively reduce the temperature of the flue gas and improve the cooling efficiency;
  • the second hollow rod 3, the second hollow rod 3 is provided with a second through hole for the flue gas to pass through, and the second hollow rod 3 One end is connected to the second end of the mixed tow rod 2, and the smoke flows into the user's mouth through the second end of the second hollow rod
  • the smoke generated by the burning of the tobacco section enters the first hollow rod 1 and flows into the user's mouth through the mixed tow rod 2 and the second hollow rod 3 in turn.
  • the doped tows are dispersed by the basic tows, and the deformation of the doped tows is restricted when heated, and the holes in the basic tows will not be blocked after melting, which can reduce the phenomenon of blockage of smoke and improve the cooling nozzle.
  • the specific surface of the basic tow and/or doped tow is larger, which can increase the total surface area of the mixed tow rod 2 in contact with the flue gas, thereby further improving the cooling efficiency of the cooling nozzle rod.
  • the cooling nozzle rod adopts a double hollow nozzle rod structure, which can increase the contact area between the ambient cold air and the cooling nozzle rod, so that the cooling nozzle rod fully contacts the ambient cold air during the interval between two suctions.
  • the basic tow includes acetate tow, which has a good filtering effect.
  • the doped tow is made of a heat storage material, which can effectively absorb heat and reduce the temperature of the flue gas.
  • the doped tow includes polylactic acid fiber tow, polypropylene fiber tow, polyglycolide fiber tow, polyglycolide fiber tow and/or polyvinyl alcohol fiber tow , Good heat absorption effect.
  • the mixing ratio of the basic tow and the doped tow is 8:2 to 1:9, which can improve the cooling effect and filtering effect of the flue gas.
  • the single denier (denier per filament) of the basic tow is 6-25, which can make the ambient cold air and the flue gas fully contact, which is beneficial to the flue gas cooling.
  • the single denier of the doped tow is 6-25, which can make the ambient cold air and the flue gas fully contact, which is beneficial to the flue gas cooling.
  • a film-coated rod 4 for reducing the temperature of the flue gas is provided between the first hollow rod 1 and the mixed tow rod 2.
  • the film-coated rod 4 includes a film body and a through hole.
  • the through holes include: a third through hole, the third through hole is arranged on the side wall of the membrane body, and ambient cold air enters the inside of the film-coated rod 4 through the third through hole, which can be beneficial to cooling the atomized flue gas; and
  • the fourth through hole is arranged inside the film covered rod 4 and is surrounded by the film body. Smoke flows from the first end of the film covered rod 4 to the second end of the film covered rod 4 through the fourth through hole. end.
  • the film-coated rod 4 is configured as an inner film-coated rod.
  • the film body includes a paper film and a multilayer cooling film.
  • the paper film is arranged on the outer surface of the multilayer cooling film.
  • the multilayer cooling film includes a first cooling film and a second cooling film.
  • the first cooling film is arranged on the second cooling film.
  • the flue gas has a good cooling effect.
  • the film body includes a paper film, a first temperature-reducing film, and a second temperature-reducing film arranged in sequence from the outside to the inside.
  • the film-coated rod 4 is configured as an inner and outer film-coated rod.
  • the inner and outer film-coated rods include an inner film-coated rod and a third cooling film arranged on the outer surface of the paper film, which can facilitate the lateral heat insulation in the cooling nozzle stick, so as to prevent the temperature of the cooling nozzle stick at the contact part of the lips from being too high to burn the lips.
  • the first cooling film, the second cooling film, and the third cooling material are respectively made of one or two of polyethylene terephthalate and polylactic acid.
  • the thickness of the membrane body is 30-60 ⁇ m (micrometers), and the air permeability of the membrane body is 100-500 CU (the amount of air passing through a specified area of paper per minute or 100 ml (ml) of air). Time, the unit is cm 3 /(cm 2 ⁇ min ⁇ kPa)), with good ventilation effect.
  • the first hollow rod 1 includes acetate fiber, and the first through hole is surrounded by the acetate fiber.
  • the hole diameter of the first through hole is 3 to 5 mm (millimeters).
  • the second hollow rod 3 includes acetate fiber, and the second through hole is surrounded by the acetate fiber.
  • the hole diameter of the second through hole is 2-5 mm.
  • the outer surfaces of the first hollow rod 1, the film-coated rod 4, the mixed tow rod 2, and the second hollow rod 3 are respectively provided with a first forming paper, and the first forming paper can be conducive to environmental cooling. Air is introduced into the first hollow rod 1, the film-coated rod 4, the mixed tow rod 2 and the second hollow rod 3 to cool the atomized flue gas.
  • the first hollow rod 1, the film-coated rod 4, the mixed tow rod 2 and the second hollow rod 3 are covered by a second molding paper to form a cooling nozzle rod.
  • the second molding paper is conducive to environmental cooling. Air is introduced into the cooling nozzle rod to cool the flue gas, which can further reduce the temperature of the flue gas.
  • the basis weight of the first forming paper is 60 to 80 grams, respectively.
  • the air permeability of the first forming paper is 100-500 CU, and the air permeability is good;
  • the basis weight of the second forming paper is 60-80 grams, respectively.
  • the air permeability of the second forming paper is 100-500 CU respectively, and the air permeability is good.
  • the cross-sections of the first hollow rod 1, the film-coated rod 4, the mixed tow rod 2, and the second hollow rod 3 are respectively set in a circular shape.
  • the cooling nozzle rod is heated by an inner core heating device or a peripheral heating device.
  • the inner core heating device includes an inner core needle type electric heating device and a sheet type electric heating device.
  • the low-temperature cigarette proposed by the present invention includes a cooling nozzle rod and a shredded tobacco section 5 connected with the cooling nozzle rod.
  • the cooling nozzle rod and the shredded tobacco section 5 are connected by tipping paper, which can further facilitate the introduction of ambient cold air into the cooling nozzle rod to cool the atomized smoke.
  • the basis weight of the tipping paper is 60-80 grams
  • the air permeability of the tipping paper is 100-500 CU
  • the air permeability effect is good.
  • the cooling nozzle rod of the first embodiment consists of a first hollow rod 1, a film-coated rod 4, a mixed tow rod 2 and a second hollow rod 3 in sequence Connected.
  • the low-temperature cigarette of the first embodiment includes the above-mentioned cooling nozzle stick and the shredded tobacco section 5.
  • the total length of low-temperature cigarettes is 58 mm.
  • the diameter of the cigarette is 7.7 mm.
  • the length of the tobacco section 5 is 15 mm
  • the length of the first hollow rod 1 is 14 mm
  • the diameter of the first through hole of the first hollow rod 1 is 4 mm
  • the length of the inner film rod 4 is 15 mm.
  • the length of the tow rod 2 is 6 mm
  • the length of the second hollow rod 3 is 6 mm
  • the diameter of the second through hole of the second hollow rod 3 is 5 mm.
  • Low-temperature cigarettes use inner core heating device for evaluation.
  • the air permeability of the film body of the inner film rod after perforation is 400 CU.
  • the basis weight of the first forming paper and the second forming paper are both 60 grams, and the air permeability of the first forming paper and the second forming paper is 500 CU.
  • the singular number of the acetate tow in the mixed tow rod 2 is 7.3, and the total denier (total filament denier) is 16,000.
  • the single denier of the polylactic acid tow in the mixed tow rod 2 is 8.0, and the total denier is 16000.
  • the blending ratio of acetate tow and polylactic acid tow is 5:5.
  • the low-temperature cigarette of the first embodiment can significantly reduce the temperature of cigarette smoke.
  • the temperature of the flue gas is lower than that of the cooling nozzle rod prepared by the membrane body with the inner membrane rod without the first through hole, and the tow segment only uses the acetate fiber tow single denier 3.2, total denier 32000. 3.2°C.
  • the cooling nozzle rod of the second embodiment consists of a first hollow rod 1, a film-coated rod 4, a mixed tow rod 2 and a second hollow rod 3 Connected one by one.
  • the low-temperature cigarette of the second embodiment includes the above-mentioned cooling nozzle stick and the shredded tobacco section 5.
  • the total length of the low-temperature cigarette is 48 mm, and the diameter of the cigarette is 7.1 mm.
  • the length of the tobacco section 5 is 15 mm
  • the length of the first hollow rod 1 is 7 mm
  • the diameter of the first through hole of the first hollow rod 1 is 3 mm
  • the length of the inner and outer film-coated rod 4 is 14 mm
  • the mixed silk The length of the bundle rod 2 is 6 mm
  • the length of the second hollow rod 3 is 6 mm
  • the diameter of the second through hole of the second hollow rod 3 is 4 mm.
  • Low-temperature cigarettes use peripheral heating devices for evaluation.
  • the air permeability of the film body of the inner and outer film-coated rods after perforation is 300 CU.
  • the basis weight of the first forming paper and the second forming paper are both 60 grams, and the air permeability of the first forming paper and the second forming paper is 300 CU.
  • the single denier of the acetate fiber tow in the mixed tow rod 2 is 11.3, and the total denier is 12,000.
  • the single denier of the polylactic acid tow in the mixed tow rod 2 is 12.0, and the total denier is 10,000.
  • the blending ratio of acetate tow and polylactic acid tow is 6:5.
  • the low-temperature cigarette of the second embodiment can significantly reduce the temperature of cigarette smoke.
  • the first through hole is not provided on the membrane body with the inner membrane rod, and the tow segment only uses the acetate fiber tow single denier 3.2, and the total denier is 22000 compared with the prepared nozzle rod, and the flue gas temperature is lower. 3.5°C.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Nozzles (AREA)

Abstract

一种降温嘴棒及具有降温嘴棒的低温卷烟，降温嘴棒包括：第一中空棒（1），其内部设置有用于烟气通过的第一通孔，第一中空棒（1）的第一端用于连接烟丝段；混合丝束棒（2），其包括用于过滤烟气中有害成分的基本丝束和与基本丝束掺杂且用于储热降温的掺杂丝束，基本丝束的相变温度大于掺杂丝束的相变温度，混合丝束棒（2）的第一端连接第一中空棒（1）的第二端；以及第二中空棒（3），其内部设置有用于烟气通过的第二通孔，第二中空棒（3）的第一端连接混合丝束棒（2）的第二端，烟气经第二中空棒（3）的第二端流入用户嘴中。低温卷烟包括降温嘴棒和与降温嘴棒连接的烟丝段。降温嘴棒能够对烟气进行有效降温。

Description

一种降温嘴棒及具有该降温嘴棒的低温卷烟 技术领域
本发明涉及一种降温嘴棒及具有该降温嘴棒的低温卷烟，属于低温卷烟技术领域。
背景技术
低温卷烟是通过外部加热元件对烟草进行加热，烟支中的雾化介质、烟草中的香味成分以及外加香通过加热产生烟雾，而非通过燃烧，能够减少通过传统香烟中的烟草的燃烧和热降解所产生的已知类型的有害烟尘成分。外部热源加热的新型卷烟中，一个重要的组成部分为被加热卷烟的烟支，该烟支是在低温加热条件下释放出烟气气溶胶的烟草制品。该烟草制品在250℃(摄氏度)～350℃的条件下达到雾化温度，高温雾化烟气通过滤嘴段进入到口腔中的温度会高于普通卷烟燃烧的温度。因此，研制合适温度的卷烟是低温卷烟的关键。
现有技术一般通过嘴棒材料对纵向流动的高温雾化烟气进行降温处理。然而，由于嘴棒的降温材料受嘴棒长度限制，同时烟气流速比较快，因此导致嘴棒材料的降温效果差。降温材料尤其是以薄膜形式制备的降温嘴棒，表面接触高温烟气后会出现熔融现象，容易导致烟气通道堵塞，使得后面的降温材料难以接触高温烟气，不仅影响降温材料的降温效果甚至导致烟气量急剧下降。
发明内容
针对上述问题，本发明的目的是提供一种降温嘴棒及具有该降温嘴棒的低温卷烟，其能够对烟气进行有效降温，降温效率高。
为实现上述目的，一方面，本发明提出了一种降温嘴棒，包括：第一中空棒，其内部设置有用于烟气通过的第一通孔，所述第一中空棒的第一端用于连接烟丝段；混合丝束棒，其包括用于过滤所述烟气中有害成分的基本丝束和与所述基本丝束掺杂且用于储热降温的掺杂丝束，所述基本丝束的相变温度大于 所述掺杂丝束的相变温度，所述混合丝束棒的第一端连接所述第一中空棒的第二端；以及第二中空棒，其内部设置有用于所述烟气通过的第二通孔，所述第二中空棒的第一端连接所述混合丝束棒的第二端，所述烟气经所述第二中空棒的第二端流入用户嘴中。
在一个具体实施例中，所述基本丝束包括醋酸纤维丝束。
在一个具体实施例中，所述掺杂丝束采用储热材料制成。
在一个具体实施例中，所述掺杂丝束包括聚乳酸纤维丝束，聚丙烯纤维丝束，聚乙丙交酯纤维丝束，聚乙交酯纤维丝束和/或聚乙烯醇纤维丝束。
在一个具体实施例中，所述基本丝束和所述掺杂丝束的搀兑比例为8:2～1:9。
在一个具体实施例中，所述基本丝束的单旦为6～25，所述掺杂丝束的单旦为6～25。
在一个具体实施例中，在所述第一中空棒与所述混合丝束棒之间设置有用于降低烟气温度的覆膜棒。
在一个具体实施例中，所述覆膜棒包括膜体和通孔；所述通孔包括：第三通孔，其设置在所述膜体侧壁上，环境冷空气通过所述第三通孔进入所述覆膜棒的内部；和第四通孔，其设置在所述覆膜棒的内部，由所述膜体围设而成，所述烟气通过所述第四通孔从所述覆膜棒的第一端流入至所述覆膜棒的第二端。
在一个具体实施例中，所述膜体包括纸膜和多层降温膜，所述纸膜包覆在所述多层降温膜的外表面，所述多层降温膜包括第一降温膜和第二降温膜，所述第一降温膜设置在所述第二降温膜的外表面。
在一个具体实施例中，在所述纸膜的外表面设置有第三降温膜，所述第三降温膜设置在所述纸膜的外表面。
在一个具体实施例中，所述第一降温膜、所述第二降温膜以及所述第三降温膜分别采用聚对苯二甲酸乙二醇酯、聚乳酸中的一种或其混合制成。
在一个具体实施例中，所述膜体的厚度为30～60微米，所述膜体的透气度 为100～500CU。
在一个具体实施例中，在所述第一中空棒、所述覆膜棒、所述混合丝束棒以及所述第二中空棒的外表面分别设置有第一成型纸。
在一个具体实施例中，所述第一中空棒、所述覆膜棒、所述混合丝束棒以及所述第二中空棒共同通过第二成型纸包覆形成所述降温嘴棒。
在一个具体实施例中，所述第一成型纸和所述第二成型纸的定量分别为60～80克，所述第一成型纸和所述第二成型纸的透气度分别为100～500CU。
在一个具体实施例中，所述第一通孔的孔径为3～5毫米。
在一个具体实施例中，所述第二通孔的孔径为2～5毫米。
另一方面，本发明提出了一种低温卷烟，包括所述降温嘴棒和与所述降温嘴棒连接的所述烟丝段。
在一个具体实施例中，所述降温嘴棒和所述烟丝段之间通过水松纸连接。
在一个具体实施例中，所述水松纸的定量为60～80克，所述水松纸的透气度为100～500CU。
本发明由于采取以上技术方案，其具有以下优点：1、本发明设置了混合丝束棒，掺杂丝束被基本丝束分散，受热时掺杂丝束的形变被束缚，熔融后也不会堵塞基本丝束中的孔洞，能够减少烟气被堵塞的现象，进而能够提高降温嘴棒的烟气降温效率，降温效果好。2、本发明的基本丝束和/或掺杂丝束的比表面大，能够增加混合丝束棒与烟气接触的总表面积，从而能够进一步提高降温嘴棒的降温效率。3、本发明设置了高单旦的基本丝束和掺杂丝束，能够使环境冷空气与烟气充分接触，有利于烟气降温。4、本发明设置了覆膜棒，能够进一步降低烟气温度。5、本发明的膜体上设置有第一通孔，能够有利于环境冷空气导入覆膜棒中冷却雾化烟气。6、本发明设置了第三降温膜，能够有利于降温嘴棒中的横向绝热，以免嘴唇接触部位的降温嘴棒温度过高烫伤嘴唇。7、本发明设置了第一成型纸，能够利于环境冷空气导入第一中空棒、覆膜棒、混合丝束棒以及第二中空棒中冷却雾化烟气。8、本发明设置了第二成型纸，有利于环境冷空气导入降温嘴棒中冷却烟气，能够进一步提高降温嘴棒的降温效果。9、本发明设置了水松纸，有利于环境冷空气导入降温嘴棒中冷却烟气，能够进一步提 高降温嘴棒的降温效果。10、本发明设置了双中空棒结构，能够提高环境冷空气与烟气之间的接触面积，让降温嘴棒在两次品吸的间隔时间内与环境冷空气进行充分接触，从而能够进一步提高降温嘴棒的散热效果和降温效率，对烟气进行有效降温。
本发明的其它特征和优点将在随后的说明书中阐述，并且部分的从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
为了更清楚的说明本发明实施例中的技术方案，下面将对实施例描述中所需要的附图做简单的介绍：
图1是本发明的降温嘴棒的一个具体实施例的结构示意图；
图2是本发明的低温卷烟的一个具体实施例的结构示意图。
具体实施方式
以下将结合附图及实施例来详细说明本发明的实施方式，借此对本发明如何应用技术手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。需要说明的是，只要不构成冲突，本发明中的各个实施例以及各实施例中的各个特征可以相互结合，所形成的技术方案均在本发明的保护范围之内。
如图1所示，本发明提出的降温嘴棒，包括：第一中空棒1，第一中空棒1的内部设置有用于烟气通过的第一通孔，第一中空棒1的第一端用于连接烟丝段，烟丝段燃烧产生的烟气进入第一中空棒1内；混合丝束棒2，混合丝束棒2包括用于过滤烟气中有害成分的基本丝束和与基本丝束掺杂且用于储热降温的掺杂丝束，基本丝束的相变温度大于掺杂丝束的相变温度，混合丝束棒2的第一端连接第一中空棒1的第二端，混合丝束棒2能够有效降低烟气温度，提高降温效率；以及第二中空棒3，第二中空棒3的内部设置有用于烟气通过的第二通孔，第二中空棒3的第一端连接混合丝束棒2的第二端，烟气经第二中空棒3的第二端流入用户嘴中。使用时，烟丝段燃烧产生的烟气进入第一中空棒1内，并依次经混合丝束棒2和第二中空棒3流入用户嘴中。其中，掺杂丝束被基本 丝束分散，受热时掺杂丝束的形变被束缚，熔融后也不会堵塞基本丝束中的孔洞，能够减少烟气被堵塞的现象，进而能够提高降温嘴棒的降温效率。同时，基本丝束和/或掺杂丝束的比表面大，能够增加混合丝束棒2与烟气接触的总表面积，从而能够进一步提高降温嘴棒的降温效率。降温嘴棒采用双中空嘴棒结构，能够提高环境冷空气与降温嘴棒之间的接触面积，让降温嘴棒在两次品吸的间隔时间内与环境冷空气进行充分接触。
在一个具体的实施例中，基本丝束包括醋酸纤维丝束，过滤效果好。
在一个具体的实施例中，掺杂丝束采用储热材料制成，能够有效吸热，降低烟气温度。
在一个具体的实施例中，掺杂丝束包括聚乳酸纤维丝束，聚丙烯纤维丝束，聚乙丙交酯纤维丝束，聚乙交酯纤维丝束和/或聚乙烯醇纤维丝束，吸热效果好。
在一个具体的实施例中，基本丝束和掺杂丝束的搀兑比例为8:2～1:9，能够提高烟气的降温效果和过滤效果。
在一个具体的实施例中，基本丝束的单旦(单丝旦数)为6～25，能够使环境冷空气与烟气充分接触，有利于烟气降温。
在一个具体的实施例中，掺杂丝束的单旦为6～25，能够使环境冷空气与烟气充分接触，有利于烟气降温。
进一步地，在第一中空棒1与混合丝束棒2之间设置有用于降低烟气温度的覆膜棒4。
在一个具体的实施例中，覆膜棒4包括膜体和通孔。通孔包括：第三通孔，第三通孔设置在膜体侧壁上，环境冷空气通过所述第三通孔进入覆膜棒4的内部，能够有利于冷却雾化烟气；和第四通孔，第四通孔设置在覆膜棒4的内部，由膜体围设而成，烟气通过第四通孔从覆膜棒4的第一端流入至覆膜棒4的第二端。
在一个具体的实施例中，覆膜棒4设置成内覆膜棒。此时，膜体包括纸膜和多层降温膜，纸膜设置在多层降温膜的外表面，多层降温膜包括第一降温膜和第二降温膜，第一降温膜设置在第二降温膜的外表面，烟气的降温效果好。优选的，膜体包括由外至内依次设置的纸膜、第一降温膜以及第二降温膜。
在一个具体的实施例中，覆膜棒4设置成内外覆膜棒。此时，内外覆膜棒包括内覆膜棒和设置在纸膜外表面的第三降温膜，能够有利于降温嘴棒中的横向绝热，以免嘴唇接触部位的降温嘴棒温度过高烫伤嘴唇。
在一个具体的实施例中，第一降温膜、第二降温膜以及第三降温材分别采用聚对苯二甲酸乙二醇酯、聚乳酸中的一种或两种制成。
在一个具体的实施例中，膜体的厚度为30～60μm(微米)，膜体的透气度为100～500CU(每分钟透过规定面积纸张的空气量或透过100ml(毫升)空气所需时间，单位为cm 3/(cm 2·min·kPa))，透气效果好。
在一个具体的实施例中，第一中空棒1包括醋酸纤维，第一通孔由醋酸纤维围设而成。其中，第一通孔的孔径为3～5mm(毫米)。
在一个具体的实施例中，第二中空棒3包括醋酸纤维，第二通孔由醋酸纤维围设而成。其中，第二通孔的孔径为2～5毫米。
在一个具体的实施例中，在第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3的外表面分别设置有第一成型纸，第一成型纸能够利于环境冷空气导入第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3中冷却雾化烟气。
在一个具体的实施例中，第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3通过第二成型纸包覆形成降温嘴棒，第二成型纸有利于环境冷空气导入降温嘴棒中冷却烟气，能够进一步烟气的降温效果。
在一个具体的实施例中，第一成型纸的定量分别为60～80克。第一成型纸的透气度分别为100～500CU，透气效果好；第二成型纸的定量分别为60～80克。第二成型纸的透气度分别为100～500CU，透气效果好。这样，基于第一成型纸和第二成型纸，能够进一步提高降温嘴棒的散热效果和降温效率。
在一个具体的实施例中，第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3的横截面分别设置成圆形。
在一个具体的实施例中，降温嘴棒采用内芯加热装置或外围加热装置进行加热。其中，内芯加热装置包括内芯针式电加热装置和片式电加热装置。
如图2所示，本发明提出的低温卷烟，包括降温嘴棒和与降温嘴棒连接的 烟丝段5。
在一个具体的实施例中，降温嘴棒和烟丝段5之间通过水松纸连接，能够进一步利于环境冷空气导入降温嘴棒中冷却雾化烟气。
在一个具体的实施例中，水松纸的定量为60～80克，水松纸的透气度为100～500CU，透气效果好。
下面列举两个具体的实施例
实施例一
在上述实施例的基础上，如图1、图2所示，本实施例一的降温嘴棒，由第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3依次连接而成。本实施例一的低温卷烟包括上述降温嘴棒和烟丝段5。
进一步地，低温卷烟的烟支总长58毫米。烟支直径为7.7毫米。其中，烟丝段5的长度为15毫米，第一中空棒1的长度为14毫米，第一中空棒1的第一通孔的直径为4毫米，内覆膜棒4的长度为15毫米，混合丝束棒2的长度为6毫米，第二中空棒3的长度为6毫米，第二中空棒3的第二通孔的直径为5毫米。低温卷烟采用内芯加热装置进行评吸。
进一步地，内覆膜棒的膜体打孔后透气度为400CU。第一成型纸和第二成型纸的定量均为60克，第一成型纸和第二成型纸的透气度为500CU。
进一步地，混合丝束棒2中醋酸纤维丝束的单数为7.3，总旦(总丝旦数)为16000。混合丝束棒2中聚乳酸丝束单旦为8.0，总旦为16000。醋酸纤维丝束与聚乳酸丝束的搀兑比例为5:5。
本实施例一的低温卷烟，能够明显地降低卷烟烟气的温度。在其它条件同样，与内附膜棒的膜体上不设置第一通孔，且丝束段仅采用醋酸纤维丝束单旦3.2，总旦32000制备的降温嘴棒相比，烟气温度降低3.2℃。
实施例二
在上述实施例一的基础上，如图1、图2所示，本实施例二的降温嘴棒，由第一中空棒1、覆膜棒4、混合丝束棒2以及第二中空棒3依次连接而成。本实施例二的低温卷烟包括上述降温嘴棒和烟丝段5。
进一步地，低温卷烟的烟支总长48毫米，烟支直径为7.1毫米。其中，烟丝段5长度为15毫米，第一中空棒1的长度为7毫米，第一中空棒1的第一通孔的直径为3毫米，内外覆膜棒4的长度为14毫米，混合丝束棒2的长度为6毫米，第二中空棒3的长度为6毫米，第二中空棒3的第二通孔的直径为4毫米。低温卷烟采用外围加热装置进行评吸。
进一步地，内外覆膜棒的膜体打孔后透气度为300CU。第一成型纸和第二成型纸的定量均为60克，第一成型纸和第二成型纸的透气度为300CU。
进一步地，混合丝束棒2中醋酸纤维丝束单旦为11.3，总旦为12000。混合丝束棒2中聚乳酸丝束单旦为12.0，总旦为10000。醋酸纤维丝束与聚乳酸丝束的搀兑比例为6:5。
本实施例二的低温卷烟，能够明显的降低卷烟烟气的温度。在其它条件同样，与内附膜棒的膜体上不设置第一通孔，丝束段仅采用醋酸纤维丝束单旦3.2，总旦22000相比制备的嘴棒相比，烟气温度降低3.5℃。
虽然本发明所公开的实施方式如上，但所述的内容只是为了便于理解本发明而采用的实施方式，并非用以限定本发明。任何本发明所属技术领域内的技术人员，在不脱离本发明所公开的精神和范围的前提下，可以在实施的形式上及细节上作任何的修改与变化，但本发明的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (20)

  1. 一种降温嘴棒，其特征在于，包括：
    第一中空棒，其内部设置有用于烟气通过的第一通孔，所述第一中空棒的第一端用于连接烟丝段；
    混合丝束棒，其包括用于过滤所述烟气中有害成分的基本丝束和与所述基本丝束掺杂且用于储热降温的掺杂丝束，所述基本丝束的相变温度大于所述掺杂丝束的相变温度，所述混合丝束棒的第一端连接所述第一中空棒的第二端；以及
    第二中空棒，其内部设置有用于所述烟气通过的第二通孔，所述第二中空棒的第一端连接所述混合丝束棒的第二端，所述烟气经所述第二中空棒的第二端流入用户嘴中。
  2. 根据权利要求1所述的降温嘴棒，其特征在于，所述基本丝束包括醋酸纤维丝束。
  3. 根据权利要求1所述的降温嘴棒，其特征在于，所述掺杂丝束采用储热材料制成。
  4. 根据权利要求1所述的降温嘴棒，其特征在于，所述掺杂丝束包括聚乳酸纤维丝束，聚丙烯纤维丝束，聚乙丙交酯纤维丝束，聚乙交酯纤维丝束和/或聚乙烯醇纤维丝束。
  5. 根据权利要求1所述的降温嘴棒，其特征在于，所述基本丝束和所述掺杂丝束的搀兑比例为8:2～1:9。
  6. 根据权利要求1所述的降温嘴棒，其特征在于，所述基本丝束的单旦为6～25，所述掺杂丝束的单旦为6～25。
  7. 根据权利要求1所述的降温嘴棒，其特征在于，在所述第一中空棒与所述混合丝束棒之间设置有用于降低烟气温度的覆膜棒。
  8. 根据权利要求7所述的降温嘴棒，其特征在于，所述覆膜棒包括膜体和通孔；所述通孔包括：
    第三通孔，其设置在所述膜体侧壁上，环境冷空气通过所述第三通孔进入所述覆膜棒的内部；和
    第四通孔，其设置在所述覆膜棒的内部，由所述膜体围设而成，所述烟气 通过所述第四通孔从所述覆膜棒的第一端流入至所述覆膜棒的第二端。
  9. 根据权利要求8所述的降温嘴棒，其特征在于，所述膜体包括纸膜和多层降温膜，所述纸膜包覆在所述多层降温膜的外表面，所述多层降温膜包括第一降温膜和第二降温膜，所述第一降温膜设置在所述第二降温膜的外表面。
  10. 根据权利要求9所述的降温嘴棒，其特征在于，在所述纸膜的外表面设置有第三降温膜，所述第三降温膜设置在所述纸膜的外表面。
  11. 根据权利要求10所述的降温嘴棒，其特征在于，所述第一降温膜、所述第二降温膜以及所述第三降温膜分别采用聚对苯二甲酸乙二醇酯、聚乳酸中的一种或其混合制成。
  12. 根据权利要求8所述的降温嘴棒，其特征在于，所述膜体的厚度为30～60微米，所述膜体的透气度为100～500CU。
  13. 根据权利要求7所述的降温嘴棒，其特征在于，在所述第一中空棒、所述覆膜棒、所述混合丝束棒以及所述第二中空棒的外表面分别设置有第一成型纸。
  14. 根据权利要求13所述的降温嘴棒，其特征在于，所述第一中空棒、所述覆膜棒、所述混合丝束棒以及所述第二中空棒共同通过第二成型纸包覆形成所述降温嘴棒。
  15. 根据权利要求14所述的降温嘴棒，其特征在于，所述第一成型纸和所述第二成型纸的定量分别为60～80克，所述第一成型纸和所述第二成型纸的透气度分别为100～500CU。
  16. 根据权利要求1所述的降温嘴棒，其特征在于，所述第一通孔的孔径为3～5毫米。
  17. 根据权利要求1所述的降温嘴棒，其特征在于，所述第二通孔的孔径为2～5毫米。
  18. 一种低温卷烟，其特征在于，包括根据权利要求1～17中任一项所述的降温嘴棒和与所述降温嘴棒连接的所述烟丝段。
  19. 根据权利要求18所述的低温卷烟，其特征在于，所述降温嘴棒和所述烟丝段之间通过水松纸连接。
  20. 根据权利要求19所述的低温卷烟，其特征在于，所述水松纸的定量为60～80克，所述水松纸的透气度为100～500CU。
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