阅读说明：本技术 一种烟梗加工方法及卷烟 (Tobacco stem processing method and cigarette ) 是由 万纪强 程向红 顾亮 王宏伟 陈孟起 王鹏飞 胡少东 田海英 卢昶彤 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种烟梗加工方法及卷烟,烟梗加工方法顺次包括烟梗筛分工序、洗梗工序、压梗工序、切梗工序、梗丝加料工序和梗丝干燥工序,其中,梗丝加料工序采用含有油性成分的料液对梗丝进行浸渍处理。本公开的烟梗加工方法可利用烟梗废弃物作为原料制备含有油性成分的梗丝,提高了烟梗利用率与使用价值,丰富了烟梗的利用方式。而且,本公开的方法实施难度与实施成本较低。此外,含有油性成分的梗丝在卷烟在燃烧时由于油性成分与烟草成分燃烧速率存在差异,将会产生噼啪声响,可丰富消费者的抽吸体验。(The invention discloses a tobacco stem processing method and a cigarette, wherein the tobacco stem processing method sequentially comprises a tobacco stem screening process, a tobacco stem washing process, a tobacco stem pressing process, a tobacco stem cutting process, a tobacco stem shred feeding process and a tobacco stem shred drying process, wherein the tobacco stem shred feeding process adopts feed liquid containing oily components to perform dipping treatment on tobacco stems. The tobacco stem processing method disclosed by the invention can be used for preparing the tobacco stem shreds containing oily components by using the tobacco stem wastes as raw materials, so that the utilization rate and the use value of the tobacco stems are improved, and the utilization mode of the tobacco stems is enriched. Moreover, the method disclosed by the invention is low in implementation difficulty and implementation cost. In addition, the cut stems containing the oily components can generate crackling sound due to the difference of the burning rates of the oily components and the tobacco components when the cigarettes burn, and the smoking experience of consumers can be enriched.)

1. The tobacco stem processing method is characterized by sequentially comprising a tobacco stem screening process, a tobacco stem washing process, a tobacco stem pressing process, a tobacco stem cutting process, a tobacco stem shred feeding process and a tobacco stem shred drying process, wherein the tobacco stem shred feeding process adopts feed liquid containing oily components to perform dipping treatment on tobacco stems.

2. The tobacco stem processing method according to claim 1, wherein the length of the tobacco stem obtained by the screening in the tobacco stem screening process is 6-30mm, and the diameter of the tobacco stem is 1-5 mm.

3. The tobacco stem processing method according to claim 1, wherein the gap between the stem pressing rollers in the stem pressing procedure is 1-1.5 mm.

4. The stem processing method according to claim 1, wherein the width of the cut tobacco in the stem cutting process is 0.3-0.5 mm.

5. The tobacco stem processing method according to claim 1, further comprising a tobacco stem storage step between the stem washing step and the stem pressing step.

6. The tobacco stem processing method according to claim 1, wherein the solvent of the liquid used in the stem charging process is at least one of glycerol, propylene glycol, sorbitol and water, the oily component in the liquid is at least one of clove oil, olive oil, soybean oil, coconut oil and camellia oil, and the content of the oily component in the liquid is 20-50 wt%.

7. The tobacco stem processing method according to claim 6, further comprising a stem storing step between the stem feeding step and the stem drying step, wherein the time of the dipping treatment of the stem in the stem feeding step is 5-20min, and the storage time of the stem in the stem storing step is 1.5-3 h.

8. The tobacco stem processing method according to claim 1, wherein the specific drying conditions in the cut stem drying process are as follows:

drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%.

9. The stem processing method according to claim 1, wherein the cut stem obtained after the cut stem drying process has an oil content of 1-10 wt% and a moisture content of 5-15 wt%.

10. A cigarette, characterized in that the cigarette comprises cut stems containing oily components prepared by the tobacco stem processing method according to any one of claims 1 to 9, and the blending amount of the cut stems containing the oily components is 5-30 wt% of the total weight of cut tobacco of the cigarette.

Technical Field

The invention relates to the field of tobacco processing, in particular to a tobacco stem processing method and a cigarette.

Background

The tobacco stems are the coarse and hard veins of the tobacco leaves, account for about 25 to 30 percent of the weight of the leaves and are an important byproduct in the tobacco industry.

In the cigarette industry, tobacco stems obtained by threshing and redrying are subjected to primary screening, the tobacco stems with the length of more than 20mm and the diameter of more than 3mm are subjected to the procedures of washing the tobacco stems, increasing the temperature of the tobacco stems, pressing the tobacco stems, cutting cut tobacco stems, feeding the cut tobacco stems, temporarily storing the cut tobacco stems, puffing and drying, winnowing and screening, perfuming the cut tobacco stems and the like to obtain expanded cut tobacco, and then the expanded cut tobacco is blended into normal cut tobacco, so that the cost and the tar amount of cigarettes can be reduced. The screened tobacco stems with smaller sizes are not utilized as tobacco waste, which not only causes serious resource waste, but also is accompanied with serious environmental pollution.

In recent years, in order to meet the individual requirements of consumers, a series of improvements are made on the aspects of vision and taste of the traditional cigarettes, and a plurality of innovative products such as thin cigarettes, short cigarettes, medium cigarettes, bead blasting cigarettes and the like are provided, so that the important contribution is made to the increase of the cigarette sales volume. However, cigarettes that sound when smoked have been less studied acoustically. Through adding sound generating mechanism in the cigarette, utilize the flow of flue gas to make sound, or add substances such as the rapeseed that is heated and bursts in the pipe tobacco and realize the sound production, not only equipment cost is higher, has increased the complexity of current cigarette process flow moreover, and the popularization degree of difficulty is great.

Therefore, how to provide a tobacco stem processing method which can effectively utilize small-size tobacco stems and enrich the smoking experience becomes a technical problem which needs to be solved urgently in the field.

Disclosure of Invention

The invention aims to provide a novel technical scheme of a tobacco stem processing method which can effectively utilize small-size tobacco stems and enrich the smoking experience.

According to a first aspect of the present invention, there is provided a method of tobacco stem processing.

The tobacco stem processing method sequentially comprises a tobacco stem screening process, a tobacco stem washing process, a tobacco stem pressing process, a tobacco stem cutting process, a tobacco stem shred feeding process and a tobacco stem shred drying process, wherein the tobacco stem shred feeding process adopts feed liquid containing oily components to perform dipping treatment on tobacco stems.

Optionally, the length of the tobacco stem obtained by screening in the tobacco stem screening procedure is 6-30mm, and the diameter of the tobacco stem is 1-5 mm.

Optionally, the gap between the stem pressing rollers in the stem pressing procedure is 1-1.5 mm.

Optionally, the shredding width in the stem cutting process is 0.3-0.5 mm.

Optionally, a tobacco stem storage process is further included between the stem washing process and the stem pressing process.

Optionally, the solvent of the feed liquid adopted in the cut stem charging process is at least one of glycerol, propylene glycol, sorbitol and water, the oily component in the feed liquid is at least one of clove oil, olive oil, soybean oil, coconut oil and camellia oil, and the content of the oily component in the feed liquid is 20-50 wt%.

Optionally, a cut stem storage process is further included between the cut stem charging process and the cut stem drying process, the dipping time of the cut stems in the cut stem charging process is 5-20min, and the storage time of the cut stems in the cut stem storage process is 1.5-3 h.

Optionally, the specific drying conditions in the cut stem drying process are as follows:

drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%.

Optionally, the content of oily components in the cut stem obtained by the cut stem drying process is 1-10 wt%, and the water content is 5-15 wt%.

According to a second aspect of the present invention, a cigarette is provided.

The cigarette comprises the oily-component-containing cut stems prepared by the tobacco stem processing method, and the blending amount of the oily-component-containing cut stems is 5-30 wt% of the total weight of cut tobacco of the cigarette.

The tobacco stem processing method disclosed by the invention can be used for preparing the tobacco stem shreds containing oily components by using the tobacco stem wastes as raw materials, so that the utilization rate and the use value of the tobacco stems are improved, and the utilization mode of the tobacco stems is enriched. Moreover, the method disclosed by the invention is low in implementation difficulty and implementation cost. In addition, the cut stems containing the oily components can generate crackling sound due to the difference of the burning rates of the oily components and the tobacco components when the cigarettes burn, and the smoking experience of consumers can be enriched.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

The tobacco stem processing method sequentially comprises a tobacco stem screening process, a tobacco stem washing process, a tobacco stem pressing process, a tobacco stem cutting process, a tobacco stem shred feeding process and a tobacco stem shred drying process, wherein the tobacco stem shred feeding process adopts feed liquid containing oily components to perform dipping treatment on tobacco stems.

The tobacco stem raw material used in the present disclosure may be derived from smaller sized tobacco stems screened in an expanded cut stem stage.

The length of the tobacco stem obtained by screening in the tobacco stem screening procedure can be 6-30mm, and the diameter of the tobacco stem can be 1-5 mm.

Furthermore, the length of the tobacco stems obtained by screening in the tobacco stem screening procedure can be 10-20mm, and the diameter of the tobacco stems can be 1.5-3 mm.

The gap between the stalk pressing rollers in the stalk pressing procedure can be 1-1.5 mm.

The width of the cut tobacco in the stalk cutting procedure can be 0.3-0.5 mm.

The tobacco stem storage process can be also included between the stem washing process and the stem pressing process.

The solvent of the feed liquid adopted in the stem shred feeding process can be at least one of glycerol, propylene glycol, sorbitol and water, the oily component in the feed liquid can be at least one of clove oil, olive oil, soybean oil, coconut oil and camellia oil, and the content of the oily component in the feed liquid is 20-50 wt%. The content of the oily component in the feed solution may further be 25-35 wt%.

The selected oily components have high boiling points (such as boiling point above 200 deg.C) to avoid the oily components from volatilizing in large amount in the subsequent drying process.

Further, a stem shred storage procedure is also included between the stem shred feeding procedure and the stem shred drying procedure, the dipping treatment time of the stem shreds in the stem shred feeding procedure is 5-20min, and the storage time of the stem shreds in the stem shred storage procedure is 1.5-3 h.

The dipping time of the cut stems in the cut stem charging process can be 10min, and the storage time of the cut stems in the cut stem storage process can be 2 h.

The specific drying conditions in the cut stem drying process can be as follows:

drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%.

The content of oily component in the cut stem obtained by the cut stem drying process can be 1-10 wt%, and the water content can be 5-15 wt%.

Furthermore, the content of oily components in the cut stem obtained by the cut stem drying process can be 2-5 wt%, and the content of water can be 9-12 wt%.

The disclosure also provides a cigarette, which comprises the cut stems containing the oily components prepared by the tobacco stem processing method disclosed by the disclosure, and the blending amount of the cut stems containing the oily components is 5-30 wt% of the total weight of the cut tobacco of the cigarette.

Furthermore, the blending amount of the cut stems containing the oily components is 15-25 wt% of the total weight of the cut tobacco of the cigarette.

The experimental procedures used in the examples below are conventional unless otherwise specified, the materials and reagents used therein are commercially available, and the equipment used in the experiments are well known to those skilled in the art without otherwise specified.

Example 1

The tobacco stems (with the length of 10-20mm and the diameter of 1.5-3mm) obtained by screening are subjected to the procedures of washing the tobacco stems with water, storing the tobacco stems and heating the tobacco stems, and then the tobacco stems enter the procedures of pressing and cutting the tobacco stems, wherein the clearance of rollers in the step of pressing the tobacco stems is set to be 1mm, and the shredding width in the step of cutting the tobacco stems is set to be 0.5 mm.

Adding the clove oil for cigarettes into the feed liquid, wherein the solvent of the feed liquid is a mixed solution of propylene glycol and water (the volume ratio of the propylene glycol to the water is 20:80), and the mass fraction of the clove oil for cigarettes in the feed liquid is 30 wt%. Immersing the cut stems into the feed liquid for 10min, filtering, and storing in a cut stem storage cabinet for 2h to make the cut stems fully absorb the feed liquid.

Drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%. The content of clove oil in the dried cut stems is 5 wt%, and the content of water in the cut stems is 10 wt%.

Adding cut stems containing tobacco clove oil into normal cut tobacco in a mixed tobacco blending process, and rolling to obtain cigarettes, wherein the blending amount is 18 wt% of the total weight of the cut tobacco. After smoking evaluation, the experimenter can make crackling sound when smoking the cigarette.

Example 2

The tobacco stems (with the length of 10-20mm and the diameter of 1.5-3mm) obtained by screening are subjected to the procedures of washing the tobacco stems with water, temporarily storing the tobacco stems and heating the tobacco stems, and then the tobacco stems enter the procedures of pressing and cutting the tobacco stems, wherein the clearance of rollers in the step of pressing the tobacco stems is set to be 1.5mm, and the shredding width in the step of cutting the tobacco stems is set to be 0.3 mm.

Adding camellia oil into stem shred feed liquid, wherein the solvent of the feed liquid is a mixed solution of propylene glycol and water (the volume ratio of the propylene glycol to the water is 20:80), and the mass fraction of the camellia oil in the feed liquid is 25 wt%. Immersing the cut stems into the feed liquid for 10min, filtering, and storing in a cut stem storage cabinet for 2h to make the cut stems fully absorb the feed liquid.

Drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%. The content of the camellia oil in the dried cut stems is 4 wt%, and the content of the water in the cut stems is 12 wt%.

Adding the stem shreds containing camellia oil into normal tobacco shreds in a blending process to obtain cigarettes, wherein the blending amount is 20 wt% of the total weight of the tobacco shreds. After smoking evaluation, the experimenter can make crackling sound when smoking the cigarette.

Example 3

The tobacco stems (with the length of 10-20mm and the diameter of 1.5-3mm) obtained by screening are subjected to the procedures of washing the tobacco stems with water, temporarily storing the tobacco stems and heating the tobacco stems, and then the tobacco stems enter the procedures of pressing and cutting the tobacco stems, wherein the clearance of rollers in the step of pressing the tobacco stems is set to be 1.2mm, and the shredding width in the step of cutting the tobacco stems is set to be 0.4 mm.

Adding olive oil into the feed liquid of cut stems, wherein the solvent of the feed liquid is a mixed solution of sorbitol and water (the volume ratio of the sorbitol to the water is 20:80), and the mass fraction of the olive oil in the feed liquid is 20 wt%. Immersing the cut stems into the feed liquid for 10min, filtering, and storing in a cut stem storage cabinet for 2h to make the cut stems fully absorb the feed liquid.

Drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%. The content of olive oil in the dried cut stems is 4 wt%, and the content of water in the cut stems is 12 wt%.

Adding the stems containing olive oil into normal tobacco shreds in a blending process to obtain cigarettes, wherein the blending amount is 23 wt% of the total weight of the tobacco shreds. After smoking evaluation, the experimenter can make crackling sound when smoking the cigarette.

Example 4

The tobacco stems (with the length of 10-20mm and the diameter of 1.5-3mm) obtained by screening are subjected to the procedures of washing the tobacco stems with water, temporarily storing the tobacco stems and heating the tobacco stems, and then the tobacco stems enter the procedures of pressing and cutting the tobacco stems, wherein the clearance of rollers in the step of pressing the tobacco stems is set to be 1.3mm, and the shredding width in the step of cutting the tobacco stems is set to be 0.3 mm.

Adding coconut oil into feed liquid of cut stems, wherein the solvent of the feed liquid is mixed solution of sorbitol and water (the volume ratio of sorbitol to water is 20:80), and the mass fraction of the coconut oil in the feed liquid is 20 wt%. Immersing the cut stems into the feed liquid for 10min, filtering, and storing in a cut stem storage cabinet for 2h to make the cut stems fully absorb the feed liquid.

Drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%. The coconut oil content in the dried cut stems is 5 wt%, and the moisture content in the cut stems is 11 wt%.

Adding the cut stems containing the coconut oil into normal cut tobacco in a mixed tobacco blending process to be rolled to obtain cigarettes, wherein the blending amount is 25 wt% of the total weight of the cut tobacco. After smoking evaluation, the experimenter can make crackling sound when smoking the cigarette.

Example 5

After the tobacco stems (the length is 10-20mm and the diameter is 1.5-3mm) obtained by screening are subjected to the procedures of washing the tobacco stems with water, temporarily storing the tobacco stems and heating the tobacco stems, the tobacco stems enter the procedures of pressing and cutting the tobacco stems, the gap of rollers in the step of pressing the tobacco stems is set to be 1.5mm, and the shredding width in the step of cutting the tobacco stems is set to be 0.5 mm.

Adding soybean oil into the feed liquid of the cut stems, wherein the solvent of the feed liquid is a mixed solution of glycerol and water (the volume ratio of the glycerol to the water is 20:80), and the mass fraction of the soybean oil in the feed liquid is 20 wt%. Immersing the cut stems into the feed liquid for 10min, filtering, and storing in a cut stem storage cabinet for 2h to make the cut stems fully absorb the feed liquid.

Drying the cut stems by a roller drying method, wherein the hot air temperature is set to be 100 +/-3 ℃, the barrel wall temperature is set to be 120 ℃, and the moisture discharge opening degree is set to be 70%. The content of soybean oil in the dried cut stems is 4 wt%, and the content of water in the cut stems is 12 wt%.

Adding the cut stems containing the soybean oil into normal cut tobacco in a mixed tobacco blending process, and rolling to obtain cigarettes, wherein the blending amount is 20 wt% of the total weight of the cut tobacco. After smoking evaluation, the experimenter can make crackling sound when smoking the cigarette.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.