CN116138477A - Method for drying Cinnabaris tobacco shreds - Google Patents
Method for drying Cinnabaris tobacco shreds Download PDFInfo
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- CN116138477A CN116138477A CN202310167045.7A CN202310167045A CN116138477A CN 116138477 A CN116138477 A CN 116138477A CN 202310167045 A CN202310167045 A CN 202310167045A CN 116138477 A CN116138477 A CN 116138477A
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- tobacco
- adsorbent
- cinnabaris
- drying
- tobacco shreds
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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
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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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
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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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
- A24B3/00—Preparing tobacco in the factory
- A24B3/16—Classifying or aligning leaves
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Abstract
The invention relates to a method for drying Cinnabaris tobacco shred, which comprises the steps of mixing the Cinnabaris tobacco shred to be dried with an adsorbent, feeding the mixture into a cut tobacco dryer, and feeding the mixture into a winnowing machine for winnowing after reaching adsorption equilibrium at a set temperature and an air flow rate; separating the dried Cinnabaris tobacco shreds from the adsorbent by air separation, and regenerating the separated adsorbent in a regeneration device. The invention combines a low-temperature adsorption drying technology with the existing equipment, and provides a method for drying the Cinnabaris tobacco shreds, which is suitable for actual production, namely, at the near normal temperature and normal pressure, an adsorbent is mixed with the tobacco shreds and then enters a roller cut tobacco drier, then the adsorbent is separated from normal tobacco shreds by a winnowing device after adsorption balance, wherein the cut tobacco drier does not need heating, the characteristic aroma of the Cinnabaris tobacco is not attenuated, and the aroma of the Cinnabaris tobacco is kept to the maximum extent.
Description
Technical Field
The invention belongs to the technical field of cigarette processing, and particularly relates to a method for drying Cinnabaris tobacco shreds.
Background
Cinnabaris is a mutant of Yunyan 87 that converts most of the nicotine into nornicotine, called "sakura" abroad, originally reported in the 50 s of the 20 th century, and has received continued attention from the tobacco industry due to its special "glutinous rice aroma" flavor. As a new tobacco variety, developing a processing technology suitable for the cinnabar tobacco is a prerequisite for realizing industrial production of the cinnabar tobacco, the stability of the aroma of the cinnabar tobacco is poor, and the adoption of the currently commonly used mode of high Wen Hongsi often causes great aroma loss of the cinnabar tobacco, so that developing a tobacco shred drying method suitable for the cinnabar tobacco reduces the characteristic aroma loss, and the processing technology is a problem to be solved urgently. Patent CN102511913A discloses a method for drying tobacco shreds, which adopts a low-temperature freezing technology to quickly freeze the tobacco shreds to-40 to-35 ℃, and then the tobacco shreds are put into a vacuum chamber for drying, so that the phenomena of surface hardening, flavor loss and the like caused by precipitation of soluble substances contained in the tobacco shreds on the surface can be effectively avoided; patent CN114304697a discloses a tobacco shred drying method, which adopts a normal pressure low temperature drying technology to dry pre-frozen tobacco shreds under the working condition of normal pressure or nearly normal pressure low temperature, and the obtained tobacco shreds have adjustable filling value, high whole thread rate, good tobacco shred winding performance after treatment and raw material tobacco fragrance. But the energy consumption is higher at the temperature which is too low, the equipment has larger difference with the existing cigarette processing equipment, new equipment needs to be purchased, and the equipment investment is large.
Disclosure of Invention
The invention aims to provide a method for drying Cinnabaris tobacco shreds, which solves the problem of large equipment investment caused by vacuum drying by adopting a low-temperature freezing technology.
In order to achieve the above purpose, the present application is implemented by the following technical schemes:
a method for drying Cinnabaris tobacco shreds comprises the following steps:
s1, mixing the Cinnabaris tobacco shreds to be dried with an adsorbent, and then feeding the mixture into a cut tobacco dryer to reach adsorption equilibrium at a set temperature and an air flow rate;
s2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach adsorption balance in the step S1 to a winnowing machine for winnowing;
s3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1.
Further, in the step S1, the Cinnabaris tobacco shred to be dried is tobacco shred with the content of Cinnabaris tobacco shred between 0.1% and 100%, and the water content is between 15% and 25%.
Further, the adsorbent is one or more of molecular sieve, activated carbon, bentonite or silica gel, and the weight ratio of the adsorbent to the Cinnabaris tobacco shred to be dried is 0.5-3.0:1.
further, the adsorbent needs to be used after molding, and the weight of the single-particle adsorbent after molding is between 0.5g and 5.0 g.
Further, the temperature of the cylinder wall of the cut-tobacco drier in the step S1 is between 0 and 50 ℃, the humidity of the drying air is between 10 and 30 percent, the wind speed is between 0.1 and 1.0m/S, and the rotating speed of the roller is between 1 and 20r/min.
Further, the temperature of the regenerator in step S3 is between 100 and 350 ℃.
Further, the water content of the dry cinnabar tobacco shreds in the step S3 is between 10 and 15 percent.
The beneficial effects of the invention are as follows:
the low-temperature adsorption drying method of the technical scheme is a novel non-thermal drying method comprehensively utilizing freeze dehumidification and adsorption drying, and is considered as one of the first choice of novel drying technology due to the advantages in energy consumption, environmental protection and quality maintenance. At present, the tobacco shred drying equipment commonly used in industry is a roller type tobacco shred drying machine and a subsequent winnowing machine, so the invention combines a low-temperature adsorption drying technology with the existing equipment, and provides a method suitable for drying the tobacco shred of the cinnabar tobacco in actual production, namely, the adsorbent is mixed with the tobacco shred at nearly normal temperature and normal pressure and then enters the roller type tobacco shred drying machine, and then enters the winnowing machine after adsorption balance, so that the adsorbent is separated from the normal tobacco shred, wherein the tobacco shred drying machine does not need heating, the characteristic aroma of the cinnabar tobacco is not attenuated, and the aroma of the cinnabar tobacco is kept to the maximum extent.
Drawings
Fig. 1 is a schematic diagram of a process for drying Cinnabaris tobacco shreds.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the invention.
In the following embodiments of the present application, when the content of the cinnabar cut tobacco is not 100%, the other cut tobacco matched with the cinnabar cut tobacco is conventional cut tobacco, and each enterprise or each brand can select and use the cinnabar cut tobacco according to the needs.
Example 1
A method for drying Cinnabaris tobacco shreds comprises the following steps:
s1, mixing the cut tobacco to be dried with the water content of 18% and the content of the cinnabar cut tobacco of 100% with a molecular sieve and bentonite according to the mass ratio of 2:1, the D50 weight of the single-particle adsorbent is 1.5g, and the weight ratio of the adsorbent to the cut tobacco to be dried is 1:1, after fully mixing, adding the mixture into a cut-tobacco drier, wherein the temperature of the cylinder wall of the cut-tobacco drier is 35+/-3 ℃, the humidity of drying air is 14%, and the wind speed is 0.3m/s.
S2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach the adsorption balance to a winnowing machine for winnowing.
S3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1. In the embodiment, the regeneration device is a regenerator, the temperature of the regenerator is 300 ℃, and the water content of the dried tobacco shreds is 15%.
Example 2
A method for drying Cinnabaris tobacco shreds comprises the following steps:
s1, mixing the cut tobacco to be dried with the water content of 18% and the content of 10% of the cinnabar cut tobacco with a molecular sieve and bentonite according to a mass ratio of 2:1, wherein the D50 weight of the single-particle adsorbent is 1.5g, and the weight ratio of the adsorbent to the cut tobacco to be dried is 2:1, after fully mixing, adding the mixture into a cut-tobacco drier, wherein the temperature of the cylinder wall of the cut-tobacco drier is 35+/-3 ℃, the humidity of drying air is 12%, and the wind speed is 0.3m/s.
S2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach the adsorption balance to a winnowing machine for winnowing.
S3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1. In the embodiment, the regeneration device is a regenerator, the temperature of the regenerator is 300 ℃, and the water content of the dried tobacco shreds is 12%.
Example 3
A method for drying Cinnabaris tobacco shreds comprises the following steps:
s1, mixing cut tobacco to be dried, active carbon and bentonite with the water content of 22% and the content of cinnabar cut tobacco of 25% according to the mass ratio of 2:1, the D50 weight of the single-particle adsorbent is 1.0g, and the weight ratio of the adsorbent to the cut tobacco to be dried is 3:1, after fully mixing, adding the mixture into a cut-tobacco drier, wherein the temperature of the cylinder wall of the cut-tobacco drier is 40+/-3 ℃, the humidity of drying air is 13%, and the wind speed is 0.5m/s.
S2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach the adsorption balance to a winnowing machine for winnowing.
S3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1. In the embodiment, the regeneration device is a regenerator, the temperature of the regenerator is 300 ℃, and the water content of the dried tobacco shreds is 13%.
Example 4
A method for drying Cinnabaris tobacco shreds comprises the following steps:
s1, mixing the cut tobacco to be dried with the water content of 20% and the content of the cinnabar cut tobacco of 30% with activated carbon and bentonite according to the mass ratio of 2:1, the D50 weight of the single-particle adsorbent is 3.0g, and the weight ratio of the adsorbent to the cut tobacco to be dried is 2:1, after fully mixing, adding the mixture into a cut-tobacco drier, wherein the temperature of the cylinder wall of the cut-tobacco drier is 40+/-3 ℃, the humidity of drying air is 13%, and the wind speed is 0.5m/s.
S2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach the adsorption balance to a winnowing machine for winnowing.
S3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1. In the embodiment, the regeneration device is a regenerator, the temperature of the regenerator is 300 ℃, and the water content of the dried tobacco shreds is 14%.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The method for drying the Cinnabaris tobacco shreds is characterized by comprising the following steps of:
s1, mixing the Cinnabaris tobacco shreds to be dried with an adsorbent, and then feeding the mixture into a cut tobacco dryer to reach adsorption equilibrium at a set temperature and an air flow rate;
s2, conveying the mixture of the Cinnabaris tobacco shreds and the adsorbent which reach adsorption balance in the step S1 to a winnowing machine for winnowing;
s3, separating the dried Cinnabaris tobacco shreds from the adsorbent through air separation, enabling the separated adsorbent to enter a regeneration device for regeneration, and returning the regenerated adsorbent to the step S1.
2. The method for drying the Cinnabaris tobacco shreds according to claim 1, wherein in the step S1, the Cinnabaris tobacco shreds to be dried are tobacco shreds with the Cinnabaris tobacco shred content of 0.1% -100% and the water content of 15% -25%.
3. The method for drying the cinnabar tobacco shreds according to claim 1, wherein the adsorbent is one or more of molecular sieve, activated carbon, bentonite or silica gel, and the weight ratio of the adsorbent to the cinnabar tobacco shreds to be dried is 0.5-3.0:1.
4. a method of drying a cut tobacco of a cinnabar cigarette according to claim 3, wherein the adsorbent is used after molding and the weight of the single-particle adsorbent after molding is between 0.5g and 5.0 g.
5. The method for drying the cinnabar tobacco shreds according to claim 1, wherein the cylinder wall temperature of the cut tobacco dryer in the step S1 is between 0 and 50 ℃, the drying air humidity is between 10 and 30 percent, the wind speed is between 0.1 and 1.0m/S, and the rotating speed of the cylinder is between 1 and 20r/min.
6. The method of drying shredded tobacco of cinnabar smoke according to claim 1, characterized in that the temperature of the regenerator in step S3 is between 100 and 350 ℃.
7. The method for drying the cut tobacco of the cinnabar cigarette according to claim 1, wherein the moisture content of the cut tobacco of the cinnabar cigarette dried in the step S3 is between 10% and 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167045.7A CN116138477A (en) | 2023-02-27 | 2023-02-27 | Method for drying Cinnabaris tobacco shreds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167045.7A CN116138477A (en) | 2023-02-27 | 2023-02-27 | Method for drying Cinnabaris tobacco shreds |
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| Publication Number | Publication Date |
|---|---|
| CN116138477A true CN116138477A (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310167045.7A Pending CN116138477A (en) | 2023-02-27 | 2023-02-27 | Method for drying Cinnabaris tobacco shreds |
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| CN (1) | CN116138477A (en) |
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2023
- 2023-02-27 CN CN202310167045.7A patent/CN116138477A/en active Pending
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