CN110604336A - A kind of preparation technology of tobacco stem applying atomizing agent - Google Patents

Abstract

The invention provides a process for preparing tobacco stems with an atomizing agent, which comprises the following steps: pre-processing raw tobacco stems; subjecting the pretreated raw tobacco stems to an atomizing agent dipping treatment; The raw tobacco stems are subjected to stem pressing and screening treatment; the raw tobacco stems after the screening treatment are subjected to primary drying treatment and then cut into cut stems; the cut stems are subjected to secondary drying treatment and then stored for later use. The preparation process of applying atomizing agent to tobacco stems creatively uses tobacco stems as raw materials, carries out atomizing agent impregnation treatment, and prepares the cut stems containing the atomizing agent and applies them to the raw cut tobacco of new heat-not-burn cigarettes, thereby broadening the scope of novel heat-not-burn cigarettes. The scope of use of tobacco shredded raw materials increases the utilization value of tobacco stems and reduces the cost of new tobacco raw materials; and the preparation process of the present invention has industrialized production conditions, and a large proportion of atomizing agent can be directly applied to the tobacco stems, and the application ratio of the atomizing agent can be adjusted.

Description

A kind of preparation technology of tobacco stem applying atomizing agent

technical field

The invention relates to the technical field of tobacco processing,

In particular, the present invention relates to a preparation process for applying atomizing agent to tobacco stems.

Background technique

Cut tobacco raw material is the key formulation component of new tobacco (electrically heated non-burning cigarette) products. The composition of cut tobacco raw material determines its sensory quality, style and aroma characteristics, and the content of atomizer in cut tobacco raw material determines the amount of smoke released during the smoking process. The application of the existing new type of tobacco atomizing agent is to treat and grind the tobacco leaves, and apply the atomizing agent as a solvent to form a reconstituted tobacco leaf (rolling method sheet) containing the atomizing agent. agent, and the organoleptic quality of the tobacco sheet contained a relatively large unpleasant smell.

In the prior art, the cut tobacco raw materials of the new type of tobacco are prepared by using tobacco leaves after being treated with an atomizer. There is no research on the application of tobacco stems. The tobacco stems account for 25-30% of the total weight of the tobacco leaves. Among the raw materials, it can not only improve the utilization value of tobacco stems, but also save production costs for enterprises.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a preparation process for applying an atomizing agent to tobacco stems.

In order to solve the above problems, the present invention adopts the following technical solutions:

A preparation process for applying atomizing agent to tobacco stems, comprising the following steps:

Raw tobacco stem pretreatment;

subjecting the pretreated raw tobacco stems to an atomizer dipping treatment;

The raw tobacco stems subjected to the dipping treatment are subjected to stem pressing and screening treatment;

The raw tobacco stems after the sieving treatment are once dried and cut into shredded stems;

The cut stems are subjected to secondary drying treatment and then stored for later use.

Preferably, the pretreatment is as follows: sieving out the thin stems and stems with diameters less than 3 mm and then washing with water to remove the floating ash on the surface of the tobacco stems.

Preferably, the immersion treatment conditions are: the atomizer and water are configured into an atomizer feed liquid at a weight ratio of 1:2 to 4, and the weight ratio of the raw tobacco stems to the atomizer feed solution is 1:1.1 to 1.3, Soaking in a drum-type stem dipping machine, the drum swings with an amplitude of less than 70°, and the raw tobacco stems are tumbled and dipped inside, and the soaking time is 45-55 minutes.

Preferably, the gap between the pressing and pressing rollers is 0.28-0.32 mm, and the sieving sieves out particles with a diameter of less than 1.0 mm.

Preferably, the drying temperature of the primary drying treatment is less than or equal to 80° C., and the drying time is 3 to 6 minutes.

Preferably, the drying temperature of the secondary drying treatment is less than or equal to 80° C., and the drying time is 3 to 6 minutes.

Preferably, the primary drying process or the secondary drying process is performed in a mesh belt dryer.

Compared with the prior art, the technical effect of the present invention is embodied in:

The preparation process of applying atomizing agent to tobacco stems creatively uses tobacco stems as raw materials, carries out atomizing agent impregnation treatment, and prepares the cut stems containing the atomizing agent and applies them to the raw cut tobacco of new heat-not-burn cigarettes, thereby broadening the scope of novel heat-not-burn cigarettes. The scope of use of tobacco shredded raw materials increases the utilization value of tobacco stems and reduces the cost of new tobacco raw materials; and the preparation process of the present invention has industrialized production conditions, and a large proportion of atomizing agent can be directly applied to the tobacco stems, and the application ratio of the atomizing agent can be adjusted.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The embodiment of the present invention provides a preparation process for applying an atomizing agent to tobacco stems, comprising the following steps:

(1) Pretreatment of raw tobacco stems;

(2) Impregnating the pretreated raw tobacco stems with an atomizer;

(3) Pressing and sifting the dipped raw tobacco stems;

(4) The raw tobacco stems after the screening treatment are once dried and cut into shredded stems;

(5) The cut stems are subjected to secondary drying treatment and then stored for later use.

Preferably, the pretreatment conditions in step (1) are: sieving out fine stems and stems with diameters less than 3 mm and then washing with water to remove floating ash on the surface of the tobacco stems. In order to improve the cleaning effect, it can be washed with warm water of 30~40℃.

Preferably, in step (2), the dipping treatment conditions are as follows: the atomizing agent and water are configured into an atomizing agent material liquid at a weight ratio of 1:2 to 4, and the weight ratio of the raw tobacco stems to the atomizing agent material liquid is 1:1.1 ~1.3, soak in a drum-type stem soaking machine, the drum swings with an amplitude of less than 70°, and the raw tobacco stems are tumbled and soaked inside, and the soaking time is 45~55min. After soaking, the atomizing agent liquid in the drum is completely absorbed, the moisture content of the tobacco stems is about 43%~45%, the fibers of the tobacco stems are fully swollen, the volume is increased by about 1.2~1.4 times, the tobacco stems are soft, and there is no free water on the surface; Adjusting the weight ratio of atomizer and water can adjust the application ratio of atomizer.

Preferably, in step (3), the gap between the pressing rollers of pressing the stems is 0.28-0.32 mm, and the tobacco stems have no clear water seepage after pressing, and the tobacco stems are flaky after pressing, and have no obvious rebound. Then sieve to remove the particles with diameter < 1.0mm.

Preferably, the drying temperature of the primary drying treatment in step (4) is ≤80°C, and the drying time is 3-6 minutes. The moisture content of the tobacco stems after pressing is about 44%. The mesh belt dryer is used to dry the tobacco stems. The material is conveyed in a reciprocating operation (feeding from the upper part and discharging from the bottom). Hot air roasting can ensure that the volume of tobacco stems does not shrink, and the moisture content of tobacco stems after drying is 32% to 35%. After primary drying, it is cut into cut stems with a thickness of 0.08mm to meet application requirements.

Preferably, in step (5), the secondary drying also uses a mesh belt dryer to dry the tobacco stems, and the material is transported in a reciprocating operation (feeding from the upper part and discharging from the bottom), using a downward blowing type, and the drying temperature is ≤80 °C. Time 3~6min. After the secondary drying, the moisture content of cut stems is 11%~12%, and the cut stems are filamentous, similar to the shape of cut tobacco.

The atomizing agent in the present invention can be at least one of propylene glycol or glycerin.

The invention creatively uses tobacco stems as raw materials, carries out atomizing agent impregnation treatment, prepares the atomizing agent-containing shredded stems and applies them to the raw tobacco shreds of new heat-not-burn cigarettes, thereby broadening the use range of the new tobacco shredded tobacco raw materials and improving the utilization of tobacco stems. The cost of new tobacco raw materials is reduced; and the preparation process of the present invention has industrial production conditions, and a large proportion of atomizing agent can be directly applied to the tobacco stems, and the application ratio of the atomizing agent can be adjusted.

The following is further described with reference to specific embodiments.

Example 1

Embodiment 1 of the present invention provides a preparation process for applying atomizing agent to tobacco stems, comprising the following steps:

(1) The raw tobacco stems are sieved to remove the thin stems and stems with a diameter of less than 3mm, and then wash the tobacco stems with warm water at 35°C to remove the floating ash on the surface of the tobacco stems;

(2) The atomizing agent and 45°C warm water are prepared into the atomizing agent material liquid in a weight ratio of 1:2.8, and the weight ratio of the tobacco stem material and the atomizing agent material liquid is 1:1.15, and soaked in a drum-type dipping machine. , the drum oscillates with an amplitude of less than 70°, and the tobacco stems are tumbled and dipped inside. The soaking time is 45 minutes. After soaking, the atomizer liquid in the drum is completely absorbed. The moisture content of the tobacco stems is 43%, and the volume of the tobacco stems increases by about 1.3%. times;

(3) Press the stem after dipping with atomizer, the gap between pressing rollers is 0.3mm, no clear water seeps out of the tobacco stem after pressing, the tobacco stem is flaky after pressing, and there is no obvious rebound; then sieve and sieve out the diameter <1.0mm broken end;

(4) The moisture content of the tobacco stems after pressing is 40%. The tobacco stems are dried by a mesh belt dryer. The material is conveyed in a reciprocating operation (feeding from the upper part and discharging from the bottom), and adopts the downward blowing type with a hot air temperature of 70 °C. After drying for 5 minutes, the moisture content of tobacco stems was 33%; then cut into shredded stems with a thickness of 0.08mm;

(5) Dry the cut stems with a mesh belt dryer, and the material is transported in a reciprocating operation (feeding from the upper part and discharging from the bottom), using a downward blowing type, a hot air temperature of 70 ° C, and a drying time of 5 minutes. After drying, the moisture content of the tobacco stems is 11%. The dried cut stems are stored in bags and sealed boxes, and used according to the formula design.

Example 2

Embodiment 2 of the present invention provides a preparation process for applying atomizing agent to tobacco stems, comprising the following steps:

(1) The raw tobacco stems are sieved to remove the thin stems and stems with a diameter of less than 3mm, and then wash the tobacco stems with warm water at 35°C to remove the floating ash on the surface of the tobacco stems;

(2) The atomizing agent and 35°C warm water are prepared into the atomizing agent material liquid at a weight ratio of 1:3.5, and the weight ratio of the tobacco stem material and the atomizing agent material liquid is 1:1.3, and soaked in a drum-type dipping machine. , the drum swings with an amplitude of less than 70°, and the tobacco stems are tumbled and dipped in it. The soaking time is 50 minutes. After soaking, the atomizer liquid in the drum is completely absorbed. The moisture content of the tobacco stems is 44%, and the volume of the tobacco stems increases by about 1.4%. times;

(3) Press the stem after dipping with atomizer, the gap between pressing rollers is 0.3mm, no clear water seeps out of the tobacco stem after pressing, the tobacco stem is flaky after pressing, and there is no obvious rebound; then sieve and sieve out the diameter <1.0mm broken end;

(4) The moisture content of the tobacco stems after pressing is 41%. The tobacco stems are dried by a mesh belt dryer. The material is transported in a reciprocating operation (feeding from the top and discharging from the bottom). Time 4min, the moisture content of dried tobacco stems is 34%; then cut into shredded stems with a thickness of 0.08mm;

(5) Dry the cut stems with a mesh belt dryer. The material is conveyed in a reciprocating operation (feeding from the upper part and discharging from the bottom), using a downward blowing type, a hot air temperature of 75 °C, and a drying time of 4 minutes. After drying, the moisture content of the tobacco stems is 12%. The dried cut stems are stored in bags and sealed boxes, and used according to the formula design.

Example 3

Embodiment 3 of the present invention provides a preparation process for applying atomizing agent to tobacco stems, comprising the following steps:

(1) The raw tobacco stems are sieved to remove the thin stems and stems with a diameter of less than 3mm, and then wash the stems with warm water at 40°C to remove the floating ash on the surface of the stems;

(2) The atomizing agent and 50°C warm water are prepared into the atomizing agent material liquid in a weight ratio of 1:2.5, and the weight ratio of the tobacco stem material and the atomizing agent material liquid is 1:1.3, and soaked in a drum-type dipping machine. , the drum swings with an amplitude of less than 70°, and the tobacco stems are tumbled and dipped in it. The soaking time is 55 minutes. After soaking, the atomizer liquid in the drum is completely absorbed. The moisture content of the tobacco stems is 45%, and the volume of the tobacco stems increases by about 1.4%. times;

(3) Press the stem after dipping with atomizer, the gap between pressing rollers is 0.3mm, no clear water seeps out of the tobacco stem after pressing, the tobacco stem is flaky after pressing, and there is no obvious rebound; then sieve and sieve out the diameter <1.0mm broken end;

(4) The moisture content of the tobacco stems after pressing is 42%. The tobacco stems are dried by a mesh belt dryer, and the material is transported in a reciprocating operation (feeding from the upper part and discharging from the bottom). Time 5min, the moisture content of dried tobacco stems is 35%; then cut into shredded stems with a thickness of 0.08mm;

(5) Dry the cut stems with a mesh belt dryer, and the material is transported in a reciprocating operation (feeding from the upper part and discharging from the bottom), using a downward blowing type, a hot air temperature of 70 ° C, and a drying time of 5 minutes. After drying, the moisture content of the tobacco stems is 12%. The dried cut stems are stored in bags and sealed boxes, and used according to the formula design.

The present invention is not limited to the above-mentioned specific embodiments, and various modifications and variations of the present invention are possible. Any modification, equivalent replacement, improvement, etc. made to the above embodiments according to the technical essence of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. The preparation process for applying the atomizing agent to the tobacco stems is characterized by comprising the following steps of:

pretreating raw material tobacco stems;

carrying out atomization agent dipping treatment on the pretreated raw material tobacco stems;

pressing and screening the impregnated raw material tobacco stems;

the raw material tobacco stems after the screening treatment are subjected to primary drying treatment and then cut into cut stems;

and carrying out secondary drying treatment on the cut stems and storing the cut stems for later use.

2. A process for preparing tobacco stem atomizing agent according to claim 1, characterized in that the pretreatment is: sieving to remove fine stems and stem stalks with diameters less than 3mm, and cleaning with water to remove ash floating on the surface of the tobacco stems.

3. The preparation process of applying the atomizing agent to the tobacco stems as claimed in claim 1, wherein the dipping treatment conditions are that the atomizing agent and water are prepared into atomizing agent liquid according to the weight ratio of 1:2 ~ 4, the raw material tobacco stems and the atomizing agent liquid are soaked in a drum-type stem soaking machine according to the weight ratio of 1:1.1 ~ 1.3.3, a drum swings at an amplitude of less than 70 degrees, and the raw material tobacco stems are rolled and dipped in the drum-type stem soaking machine for 45 ~ 55 min.

4. The process for preparing tobacco stem atomizing agent according to claim 1, wherein the stem pressing roller gap is 0.28 ~ 0.32.32 mm, and the screening sieve removes the powder with the diameter of less than 1.0 mm.

5. The process for preparing tobacco stem atomizing agent according to claim 1, wherein the drying temperature of the primary drying treatment is less than or equal to 80 ℃, and the drying time is 3 ~ 6 min.

6. The process for preparing tobacco stem atomizing agent according to claim 1, wherein the drying temperature of the secondary drying treatment is less than or equal to 80 ℃, and the drying time is 3 ~ 6 min.

7. A process for preparing tobacco stems by applying an atomizing agent to the tobacco stems according to claim 5 or 6, wherein the primary drying treatment or the secondary drying treatment is carried out in a mesh belt type dryer.