WO2023241398A1 - 一种含丙三醇叶丝的制丝方法 - Google Patents

一种含丙三醇叶丝的制丝方法 Download PDF

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Publication number
WO2023241398A1
WO2023241398A1 PCT/CN2023/098493 CN2023098493W WO2023241398A1 WO 2023241398 A1 WO2023241398 A1 WO 2023241398A1 CN 2023098493 W CN2023098493 W CN 2023098493W WO 2023241398 A1 WO2023241398 A1 WO 2023241398A1
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WIPO (PCT)
Prior art keywords
glycerol
leaves
leaf
tobacco
moisture content
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PCT/CN2023/098493
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English (en)
French (fr)
Inventor
周国俊
吴键
储国海
陈震
王骏
蒋健
肖卫强
夏倩
胡安福
沈凯
黄华
汪华文
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浙江中烟工业有限责任公司
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Publication of WO2023241398A1 publication Critical patent/WO2023241398A1/zh

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/06—Loosening tobacco leaves or cut tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/07—Cutting or removing tie leaves; Cutting-off stem butts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/10—Roasting or cooling tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco

Definitions

  • the invention belongs to the technical field of heated cigarette production technology, and specifically relates to a method for making shredded leaves containing glycerol.
  • reconstituted tobacco leaves still have shortcomings in improving the aroma characteristics of heated cigarette products.
  • Heated cigarettes need to add a high proportion of smoking agent to achieve low-temperature atomization.
  • the smoke agent is mainly composed of glycerol, and its viscosity is significantly higher than that of water.
  • the moisture content of the core of heated cigarettes is generally 6% or even lower, which is significantly lower than the moisture content of traditional cigarettes. This puts new requirements on the drying process after moisture regain.
  • some scholars have conducted some research on the drying process of tobacco materials (such as shredded leaves, tobacco leaves, reconstituted tobacco leaves, etc.), mainly focusing on the effects of drying methods and conditions on the physical properties, chemical composition, sensory quality, and moisture migration of tobacco materials. In terms of the construction and verification of kinetic models, there is currently a lack of targeted research on how to more effectively control the moisture and glycerol content in leaf shreds during the process.
  • the object of the present invention is to provide a method for making glycerin-containing shredded leaves, to realize the control of moisture and glycerol content in heated cigarette shredded leaves, and to make natural tobacco leaves into leaves containing 2-6% glycerol.
  • the moisture content of the shredded leaves is reduced to less than 6%, and the glycerol retention rate of the shredded leaves is increased to more than 85%.
  • a silk making method containing glycerol leaf silk including the following steps:
  • step S1 The tobacco leaves in step S1 enter the process of loosening and moistening the leaves to further increase the dry basis moisture content of the tobacco leaves and completely loosen them;
  • the tobacco leaves enter the glycerin adding process, and glycerin is added to the tobacco leaves to further increase the moisture content of the dry tobacco leaves;
  • step S3 After adding glycerol in step S3, enter the leaf storage process to achieve the absorption and balance of glycerol and dry basis moisture content;
  • step S5 The tobacco leaves after being stored in step S4 enter the shredding process, and the leaf shreds are controlled to a set width;
  • step S6 After the shredding process in step S5, enter the drying process and perform tunnel airflow drying to reduce the dry basis moisture content of the shredded leaves to less than 6% and increase the glycerol retention rate of the dried shredded leaves to more than 85%.
  • step S1 the dry basis moisture content of the tobacco leaves is increased to 15-16%, and the tobacco leaf temperature is increased to 50-55°C.
  • the dry basis moisture content of the tobacco leaves is increased to 17-18%, and the tobacco leaf temperature is increased to 55-60°C.
  • the dry basis moisture content of the tobacco leaves is increased to 22-23%, and the glycerol content rate of the tobacco leaves is increased to 2-6%.
  • the leaf storage temperature is 30-32°C and the leaf storage time is 30-36 hours.
  • the width of the leaf shreds is set to 0.85-0.95mm.
  • step S6 drying process tunnel airflow drying is performed, the drying temperature is 105-145°C, and the drying time is 90-180s.
  • the formula for the moisture content of cut leaves on a dry basis is: Among them, M t is the moisture content on dry basis, %; m t is the mass of leaf shreds at time t during the drying process, g; me e is the mass of absolutely dry material, g.
  • u is the retention rate of glycerol in the shredded leaves, %;
  • C t is the dry glycerol content of the shredded leaves at time t during the drying process, %;
  • C 0 is the initial dry glycerol content of the shredded leaves, %.
  • This technical solution realizes the regulation of moisture and glycerol content in heated cigarette leaf shreds, and provides a glycerin-containing shredded leaf making method, which can make natural tobacco leaves into leaves containing 2-6% glycerol.
  • the moisture content of the shredded leaves is reduced to less than 6%, and the glycerol retention rate of the shredded leaves is increased to more than 85%, which is used to regulate the moisture and glycerol content in the shredded leaves of heated cigarettes.
  • This technical solution uses fixed-bed airflow drying equipment to dry the shredded leaves added with glycerol, and analyzes the effects of the glycerol addition amount and drying temperature on the migration patterns and mutual effects of glycerin and moisture in the shredded leaves, to form a glycerin-containing
  • the drying method of triol tobacco materials improves the glycerol retention rate of the dried leaves and is used to control the moisture and glycerol content in the heated cigarette leaves.
  • Figure 1 is a process flow chart of the silk making method of glycerol-containing leaf silk of the present invention.
  • 200kg of tobacco leaves are fed into the vacuum moisture regain process to increase the dry basis moisture content of the tobacco leaves to 15% and the tobacco leaf temperature to 50°C; the loose leaf moistening process is entered to increase the dry basis moisture content of the tobacco leaves to 17% and the tobacco leaf temperature to 56°C. ; Enter the process of adding glycerol, increase the dry basis moisture content of the tobacco leaves to 22%, and add the glycerol content of the tobacco leaves to 3%; enter the leaf storage process, the storage temperature of the leaves is 30°C, and the storage time is 30 hours; cut the leaves The width is controlled to 0.85mm; enter the drying process and perform tunnel airflow drying.
  • the drying temperature is 103°C
  • the drying time is 200s
  • the moisture content of the dry leaves is 5.9%
  • the glycerol content of the dry leaves is 2.508%
  • the glycerol content is 2.508%.
  • the retention rate is 83.6%.
  • 200kg of tobacco leaves are fed into the vacuum moisture regain process to increase the dry basis moisture content of the tobacco leaves to 15% and the tobacco leaf temperature to 50°C; the loose leaf moistening process is entered to increase the dry basis moisture content of the tobacco leaves to 17% and the tobacco leaf temperature to 56°C. ; Enter the process of adding glycerol, increase the dry basis moisture content of the tobacco leaves to 22%, and add the glycerol content of the tobacco leaves to 3%; enter the leaf storage process, the storage temperature of the leaves is 30°C, and the storage time is 30 hours; cut the leaves The width is controlled to 0.85mm; enter the drying process and perform tunnel airflow drying.
  • the drying temperature is 150°C
  • the drying time is 90s
  • the moisture content of the dry leaves is 5.4%
  • the glycerol content of the dry leaves is 2.373%
  • the glycerol content is 2.373%.
  • the retention rate is 79.1%.
  • 200kg of tobacco leaves are fed into the vacuum moisture regain process to increase the dry basis moisture content of the tobacco leaves to 15% and the tobacco leaf temperature to 50°C; the loose leaf moistening process is entered to increase the dry basis moisture content of the tobacco leaves to 17% and the tobacco leaf temperature to 56°C. ; Enter the process of adding glycerol, increase the dry basis moisture content of tobacco leaves to 22%, and add the glycerol content of tobacco leaves to 2%; enter the leaf storage process, store the leaves at a temperature of 30°C, and store the leaves for 30 hours; cut the leaf shreds The width is controlled to 0.85mm; enter the drying process and perform tunnel airflow drying.
  • the drying temperature is 105°C
  • the drying time is 180s
  • the moisture content of the dry leaves is 5.7%
  • the glycerol content of the dry leaves is 1.774%
  • the glycerol content is 1.774%.
  • Retention rate is 88.7%.
  • the drying temperature is 145°C
  • the drying time is 90s
  • the moisture content of the dry leaves is 5.5%
  • the glycerol content of the dry leaves is 5.98%
  • the glycerol content is 5.98%.
  • the retention rate is 90.6%.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

一种含丙三醇叶丝的制丝方法，包括如下步骤：进入真空回潮工序，实现烟叶的初步提高干基含水率和温度；进入松散润叶工序，实现烟叶的干基含水率进一步提高和完全松散；进入加丙三醇工序，在烟叶中加入丙三醇，实现烟叶干基含水率进一步提高；进入贮叶工序，实现丙三醇和干基含水率的吸收和平衡；进入切叶丝工序，将叶丝控制到固定宽度；进入烘丝工序，进行隧道式气流干燥，实现叶丝干基含水率降低。该制丝方法采用隧道式气流干燥设备对添加丙三醇的叶丝进行干燥，形成一种含丙三醇烟草物料的干燥方法，提高了干燥后叶丝的丙三醇保留率，用于加热卷烟叶丝中水分和丙三醇含量的调控。

Description

一种含丙三醇叶丝的制丝方法 技术领域
本发明属于加热卷烟生产工艺技术领域，具体涉及一种含丙三醇叶丝的制丝方法。
背景技术
目前，市场上大部分加热卷烟产品都采用再造烟叶作为烟芯材料，然而再造烟叶在提升加热卷烟产品香气特征方面仍有缺陷，加热卷烟需要添加高比例的发烟剂以实现低温雾化，发烟剂主要以丙三醇为主，其粘度明显高于水，另外由于天然烟叶的组织结构与纤维重组制备的再造烟叶存在较大差异，添加丙三醇时难以达到再造烟叶对丙三醇的吸收效率和均匀性。
加热卷烟的烟芯含水率一般为6％甚至更低，其值明显低于传统卷烟的含水率，这就对回潮后干燥工艺提出了新要求。近年来，有学者对烟草物料(如叶丝、烟叶、再造烟叶等)的干燥过程开展了一些研究，主要集中在干燥方式和条件对烟草物料物理特性、化学成分、感官品质的影响、水分迁移动力学模型的构建与验证等方面，而对在工艺中如何更加有效的实现对叶丝中水分和丙三醇含量的调控目前缺乏针对性的研究。
发明内容
本发明的目的是提供一种含丙三醇叶丝的制丝方法，实现对加热卷烟叶丝中水分和丙三醇含量的调控，将天然烟叶制成含2-6％丙三醇的叶丝，叶丝含水率降至6％以下，叶丝的丙三醇保留率提高至85％以上。
为实现上述目的，本申请是通过以下技术方案实现的：
一种含丙三醇叶丝的制丝方法，包括以下步骤：
S1、将烟叶投料装桶，进入真空回潮工序，实现烟叶的初步提高干基含水率和温度；
S2、步骤S1的烟叶进入松散润叶工序，实现烟叶的干基含水率进一步提高和完全松散；
S3、松散润叶工序后的烟叶进入加丙三醇工序，在烟叶中加入丙三醇，实现烟叶干在含水率进一步提高；
S4、步骤S3加入丙三醇后，进入贮叶工序，实现丙三醇和干基含水率的吸收和平衡；
S5、经过步骤S4贮叶后的烟叶进入切丝工序，将叶丝控制在设定宽度；
S6、经过步骤S5切丝工序后进入烘丝工序，进行隧道式气流干燥，实现叶丝干基含水率降至6％以下，提高干燥后叶丝的丙三醇保留率至85％以上。
进一步的，步骤S1的真空回潮工序中，将烟叶干基含水率提高至15-16％，烟叶温度提高至50-55℃。
进一步的，步骤S2的松散润叶工序中，将烟叶干基含水率提高至17-18％，烟叶温度提高至55-60℃。
进一步的，步骤S3加丙三醇工序中，将烟叶干基含水率提高至22-23％，烟叶含丙三醇率提高至2-6％。
进一步的，步骤S4贮叶工序中，贮叶温度30-32℃，贮叶时间30-36h。
进一步的，步骤S5切丝工序中，叶丝设定宽度为0.85-0.95mm。
进一步的，步骤S6烘丝工序中，进行隧道式气流干燥，干燥温度105-145℃，干燥时间90-180s。
进一步的，叶丝干基含水率公式为：其中Mt为干基含水率，％；mt为干燥过程中t时刻叶丝的质量，g；me为绝干物料质量，g。
进一步的，叶丝中丙三醇的保留率为：
其中，u为叶丝中丙三醇的保留率，％；Ct为干燥过程中t时刻叶丝的干基丙三醇含量，％；C0为叶丝的初始干基丙三醇含量，％。
与现有技术相比，本申请的有益效果是：
本技术方案实现了加热卷烟叶丝中水分和丙三醇含量的调控，提供一种含丙三醇叶丝的制丝方法，其可以将天然烟叶制成含2-6％丙三醇的叶丝，叶丝含水率降至6％以下，叶丝的丙三醇保留率提高至85％以上，用于加热卷烟叶丝中水分和丙三醇含量的调控。
本技术方案采用固定床气流式干燥设备对添加丙三醇的叶丝进行干燥，分析丙三醇添加量和干燥温度对叶丝中丙三醇和水分迁移规律及其相互影响，形成一种含丙三醇烟草物料的干燥方法，提高干燥后叶丝的丙三醇保留率，用于加热卷烟叶丝中水分和丙三醇含量的调控。
附图说明
图1为本发明含丙三醇叶丝的制丝方法的工艺流程图。
具体实施方式
以结合附图对本发明的技术方案进行详细的说明，以下实施例仅是示例性的，仅能用来解释和说明本发明的技术方案，而不能解释为是对本发明技术方案的限制。
对照例1
烟叶投料200kg，进入真空回潮工序，将烟叶干基含水率提高至15％，烟叶温度提高至50℃；进入松散润叶工序，将烟叶干基含水率提高至17％，烟叶温度提高至56℃；进入加丙三醇工序，将烟叶干基含水率提高至22％，烟叶干基丙三醇含量加至3％；进入贮叶工序，贮叶温度30℃，贮叶时间30h；将叶丝宽度控制0.85mm；进入烘丝工序，进行隧道式气流干燥，干燥温度103℃，干燥时间200s，叶丝干基含水率为5.9％，叶丝干基丙三醇含量为2.508％，丙三醇保留率为83.6％。
对照例2
烟叶投料200kg，进入真空回潮工序，将烟叶干基含水率提高至15％，烟叶温度提高至50℃；进入松散润叶工序，将烟叶干基含水率提高至17％，烟叶温度提高至56℃；进入加丙三醇工序，将烟叶干基含水率提高至22％，烟叶干基丙三醇含量加至3％；进入贮叶工序，贮叶温度30℃，贮叶时间30h；将叶丝宽度控制0.85mm；进入烘丝工序，进行隧道式气流干燥，干燥温度150℃，干燥时间90s，叶丝干基含水率为5.4％，叶丝干基丙三醇含量为2.373％，丙三醇保留率为79.1％。
实施例1
烟叶投料200kg，进入真空回潮工序，将烟叶干基含水率提高至15％，烟叶温度提高至50℃；进入松散润叶工序，将烟叶干基含水率提高至17％，烟叶温度提高至56℃；进入加丙三醇工序，将烟叶干基含水率提高至22％，烟叶干基丙三醇含量加至2％；进入贮叶工序，贮叶温度30℃，贮叶时间30h；将叶丝宽度控制0.85mm；进入烘丝工序，进行隧道式气流干燥，干燥温度105℃，干燥时间180s，叶丝干基含水率为5.7％，叶丝干基丙三醇含量为1.774％，丙三醇保留率为88.7％。
实施例2
烟叶投料200kg，进入真空回潮工序，将烟叶干基含水率提高至16％，烟叶温度提高至55℃；进入松散润叶工序，将烟叶干基含水率提高至18％，烟叶温度提高至60℃；进入加丙三醇工序，将烟叶干基含水率提高至22％，烟叶干基丙三醇含量加至6.6％；进入贮叶工序，贮叶温度32℃，贮叶时间36h；将叶丝宽度控制0.9mm；进入烘丝工序，进行隧道式气流干燥，干燥温度145℃，干燥时间90s，叶丝干基含水率为5.5％，叶丝干基丙三醇含量为5.98％，丙三醇保留率为90.6％。
实施例3
烟叶投料200kg，进入真空回潮工序，将烟叶干基含水率提高至15.3％，烟叶温度提高至53℃；进入松散润叶工序，将烟叶干基含水率提高至17.4％，烟叶温度提高至58℃；进入加丙三醇工序，将烟叶干基含水率提高至22％，烟叶干基丙三醇含量加至3％；进入贮叶工序，贮叶温度31℃，贮叶时间33h； 将叶丝宽度控制0.95mm；进入烘丝工序，进行隧道式气流干燥，干燥温度130℃，干燥时间100s，叶丝干基含水率为5.3％，叶丝干基丙三醇含量为2.63％，丙三醇保留率为87.7％。
这里基于的术语和表述方式只是用于描述，本发明并不应局限于这些术语和表述。使用这些术语和表述并不意味着排除任何示意和描述(或其中部分)的等效特征，应认识到可能存在的各种修改也应包含在权利要求范围内。其他修改、变化和替换也可能存在。相应的，权利要求应视为覆盖所有这些等效物。
同样，需要指出的是，虽然本发明已参照当前的具体实施例来描述，但是本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本发明，在没有脱离本发明精神的情况下还可做出各种等效的变化或替换，因此，只要在本发明的实质精神范围内对上述实施例的变化、变型都将落在本发明的权利要求书的范围内。

Claims (9)

  1. 一种含丙三醇叶丝的制丝方法，其特征在于，包括以下步骤：
    S1、将烟叶投料装桶，进入真空回潮工序，实现烟叶的初步提高干基含水率和温度；
    S2、步骤S1的烟叶进入松散润叶工序，实现烟叶的干基含水率进一步提高和完全松散；
    S3、松散润叶工序后的烟叶进入加丙三醇工序，在烟叶中加入丙三醇，实现烟叶干在含水率进一步提高；
    S4、步骤S3加入丙三醇后，进入贮叶工序，实现丙三醇和干基含水率的吸收和平衡；
    S5、经过步骤S4贮叶后的烟叶进入切丝工序，将叶丝控制在设定宽度；
    S6、经过步骤S5切丝工序后进入烘丝工序，进行隧道式气流干燥，实现叶丝干基含水率降至6％以下，提高干燥后叶丝的丙三醇保留率至85％以上。
  2. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S1的真空回潮工序中，将烟叶干基含水率提高至15-16％，烟叶温度提高至50-55℃。
  3. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S2的松散润叶工序中，将烟叶干基含水率提高至17-18％，烟叶温度提高至55-60℃。
  4. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S3加丙三醇工序中，将烟叶干基含水率提高至22-23％，烟叶含丙三醇率提高至2-6％。
  5. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S4贮叶工序中，贮叶温度30-32℃，贮叶时间30-36h。
  6. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S5切丝工序中，叶丝设定宽度为0.85-0.95mm。
  7. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，步骤S6 烘丝工序中，进行隧道式气流干燥，干燥温度105-145℃，干燥时间90-180s。
  8. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，叶丝干基含水率公式为：其中Mt为干基含水率，％；mt为干燥过程中t时刻叶丝的质量，g；me为绝干物料质量，g。
  9. 根据权利要求1所述的含丙三醇叶丝的制丝方法，其特征在于，叶丝中丙三醇的保留率为：
    其中，u为叶丝中丙三醇的保留率，％；Ct为干燥过程中t时刻叶丝的干基丙三醇含量，％；C0为叶丝的初始干基丙三醇含量，％。
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