CN107736643B - Tobacco stem baking processing method using THT - Google Patents
Tobacco stem baking processing method using THT Download PDFInfo
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- CN107736643B CN107736643B CN201711236112.7A CN201711236112A CN107736643B CN 107736643 B CN107736643 B CN 107736643B CN 201711236112 A CN201711236112 A CN 201711236112A CN 107736643 B CN107736643 B CN 107736643B
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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
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a tobacco stem baking processing method using THT, which comprises the following steps: 1) feeding the tobacco stems as the incoming material quantitatively, screening the tobacco stems by using crushed stems, and feeding the tobacco stems into THT; 2) controlling the temperature of the THT hot air to 180 ℃, controlling the temperature of the cylinder wall to 160 ℃, and baking the tobacco stems; 3) the roasted tobacco stems enter a water tank type stem washing machine to be washed with hot water, and the water temperature for washing the stems is 60 ℃; 4) the washed tobacco stems enter a storage cabinet for storage; 5) the tobacco stems are subjected to secondary moisture regain after storage, and the moisture regain of the tobacco stems is controlled to be 30% -33%; 6) storing the tobacco stems in a storage cabinet after secondary moisture regain; 7) quantitatively feeding the tobacco stems after secondary stem storage, and steaming the stems; 8) the steamed tobacco stems immediately enter a stem pressing machine to press stems, and then enter a stem shredding machine to shred the stems; according to the tobacco stem baking processing method using THT, part of substances in the tobacco stems are subjected to chemical reaction during baking to generate fragrant substances, so that the quality of cut stems made of the tobacco stems is improved.
Description
Technical Field
The invention relates to the field of cigarette processing, in particular to a method for improving the quality of cut stems by baking and processing tobacco stems in a tobacco shred making process.
Background
The main components of the tobacco stems comprise cellulose, lignin, pectic substance, starch and protein, at present, the process flow shown in figure 2 is generally used in the tobacco stem processing process flow, the cut stems processed by the process flow, the pectic substance, the starch and the protein in the tobacco stems are not effectively converted, and the substances basically do not provide fragrance in the cigarette combustion and smoking process, and mainly generate irritation, wood gas, and residual bitterness and lingering tongue feeling in cavities.
To improve the quality of the cut stems, the chemical composition of the tobacco stems needs to be considered. The pectic substance, starch and protein in the tobacco stem can be converted into fragrant substances under the baking condition. Relevant researches show that under the condition of high temperature (160-220 ℃), starch substances in tobacco stems are subjected to gelatinization reaction and caramelization reaction, and protein is subjected to degradation reaction in the baking process to generate amino acid, and the amino acid and carbohydrate substances are subjected to Maillard reaction together to generate common aroma substances of tobacco. The pectic substance is decomposed and degraded at high temperature (160-220 deg.C) to generate various fragrant substances.
According to the theoretical research and the research result of our laboratory, the tobacco stems (10% -15%) with certain moisture can generate comfortable sweet fragrance and baking fragrance under the baking (160-220 ℃) condition, and the fragrance, the irritation and the aftertaste of the cut stems made of the baked tobacco stems are obviously improved. Meanwhile, the roasted tobacco stems are not recommended to be stored for a long time, because part of generated aroma substances are volatilized and oxidized after being stored for a long time, part of aroma is gradually lost, and the quality of the processed cut stems is reduced.
In addition, in the tobacco stem high-temperature baking process, the internal moisture is quickly vaporized to expand the tobacco stem cell structure, so that the loose degree of the internal expanded structure of the tobacco stem is improved, and further processing and quality improvement of the tobacco stem are facilitated.
In the existing cigarette processing process, the tobacco stems are roasted and dried in a threshing and redrying link, the link aims to dry the tobacco stems, chain plate type drying equipment is usually used as the drying equipment, the drying temperature is usually 80-120 ℃, the temperature condition for roasting and upgrading the tobacco stems cannot be achieved, meanwhile, the threshed and redried tobacco stems need to be stored for a long time after being roasted, and the stabilization and the maintenance of aroma substances after roasting are not facilitated.
THT (high temperature hot air baking roller) is a new tobacco baking device recently appearing and is mainly applied to baking of burley tobacco leaves after being added in the mixed type cigarette manufacturing process, the THT device is structurally characterized in that a rotary roller with steam heating and circulating hot air with a combustion furnace are adopted, the tobacco leaves gradually move backwards through the rotation of the roller after entering the roller, the tobacco leaves are simultaneously heated by the wall of the roller and the hot air passing through the roller, the temperature of the tobacco leaves can be raised to (160-220 ℃), and the tobacco leaves are baked and upgraded. Kunming cigarette factories have ever applied THT to the baking and quality improvement of inferior tobacco leaves. The application of THT to the baking quality improvement of tobacco stems has not been reported and implemented.
Disclosure of Invention
The invention aims to provide a tobacco stem baking processing method using THT, which can convert pectic substance, starch and protein in the tobacco stem into fragrant substances through the processing of THT and improve the quality of the tobacco stem.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a tobacco stem baking processing method using THT comprises the following steps:
1) feeding the tobacco stems as the incoming material quantitatively, screening the tobacco stems by using crushed stems, and feeding the tobacco stems into THT;
2) controlling the temperature of the THT hot air to 180 ℃, controlling the temperature of the cylinder wall to 160 ℃, and baking the tobacco stems;
3) the roasted tobacco stems enter a water tank type stem washing machine to be washed with hot water, and the water temperature for washing the stems is 60 ℃;
4) the washed tobacco stems enter a storage cabinet for storage for 6-24 h;
5) the tobacco stems are subjected to secondary moisture regain after storage, and the moisture regain of the tobacco stems is controlled to be 30% -33%;
6) storing the tobacco stems in a storage cabinet after secondary moisture regaining for 3-12 h;
7) quantitatively feeding the tobacco stems after secondary stem storage, and steaming the stems;
8) the steamed tobacco stalks immediately enter a stalk pressing machine to press stalks and then enter a stalk shredding machine to shred the stalks.
The invention has the beneficial effects that: the THT baking equipment is used for quickly heating the tobacco stems to 160-220 ℃, and partial substances in the tobacco stems are subjected to chemical reaction in the baking process through baking to generate fragrant substances, so that the quality of cut stems made of the tobacco stems is improved.
Drawings
FIG. 1 is a flow chart of a stem treatment process in use;
fig. 2 is a stem treatment process flow of the THT tobacco stem baking of the present invention.
Detailed Description
In the present embodiment, it should be noted that the relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another 4 entities or operations, and do not necessarily require or imply any actual relationship or order between the entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In addition, in the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin fixing manner, or a pin shaft connecting manner, which is commonly used in the prior art, and therefore, detailed description thereof is omitted in this embodiment.
Examples
Referring to fig. 1 to 2, a tobacco stem roasting process using THT includes the steps of:
1) the moisture content of the incoming tobacco stems is 12%, the flow is controlled to be 2000kg/h through quantitative feeding and crushed stem screening, and then the incoming tobacco stems are fed into THT;
2) controlling the temperature of the THT hot air to 180 ℃, controlling the temperature of the cylinder wall to 160 ℃, and baking the tobacco stems;
3) the roasted tobacco stems enter a water tank type stem washing machine for hot stem washing, the stem washing water temperature is 60 ℃, the roasted tobacco stems float on the water surface due to volume expansion, and the feeding channel is recommended to be changed into an N shape;
4) the washed tobacco stems enter a storage cabinet for storage for 6-24 h;
5) the tobacco stems after being stored are subjected to secondary moisture regain, moisture regain equipment can adopt equipment such as a drum-type stem moistening machine and a spiral stem steaming machine, and moisture regain of the tobacco stems is controlled to be 30% -33%;
6) storing the tobacco stems in a storage cabinet after secondary moisture regaining for 3-12 h;
7) quantitatively feeding the tobacco stems after secondary stem storage, and steaming the stems, wherein the stem steaming is suitable for SIROX, HT and other equipment;
8) the steamed tobacco stems immediately enter a stem pressing machine to press stems, and then enter a stem shredding machine to shred the stems;
9) the subsequent process is the same as the existing process and is not described again.
In this example, the THT of step 1) is model 2000, produced by COMAS, Italy, with a nominal flow of 2000 kg/h.
The technical effects of the invention are mainly reflected in the following aspects: the THT baking equipment is used for quickly heating the tobacco stems to 160-220 ℃, and partial substances in the tobacco stems are subjected to chemical reaction in the baking process through baking to generate fragrant substances, so that the quality of cut stems made of the tobacco stems is improved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.
Claims (1)
1. A tobacco stem baking processing method using THT is characterized by comprising the following steps:
1) feeding the tobacco stems as the incoming material quantitatively, screening the tobacco stems by using crushed stems, and feeding the tobacco stems into THT;
2) controlling the temperature of the THT hot air to 180 ℃, controlling the temperature of the cylinder wall to 160 ℃, and baking the tobacco stems;
3) the roasted tobacco stems enter a water tank type stem washing machine to be washed with hot water, and the water temperature for washing the stems is 60 ℃;
4) the washed tobacco stems enter a storage cabinet for storage for 6-24 h;
5) the tobacco stems are subjected to secondary moisture regain after storage, and the moisture regain of the tobacco stems is controlled to be 30% -33%;
6) storing the tobacco stems in a storage cabinet after secondary moisture regaining for 3-12 h;
7) quantitatively feeding the tobacco stems after secondary stem storage, and steaming the stems;
8) the steamed tobacco stalks immediately enter a stalk pressing machine to press stalks and then enter a stalk shredding machine to shred the stalks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711236112.7A CN107736643B (en) | 2017-11-30 | 2017-11-30 | Tobacco stem baking processing method using THT |
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| CN201711236112.7A CN107736643B (en) | 2017-11-30 | 2017-11-30 | Tobacco stem baking processing method using THT |
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| CN107736643A CN107736643A (en) | 2018-02-27 |
| CN107736643B true CN107736643B (en) | 2020-05-05 |
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| CN109298693A (en) * | 2018-09-27 | 2019-02-01 | 云南中烟工业有限责任公司 | A method of hot blast temperature is determined based on amino acid content in pipe tobacco online |
| CN109324580A (en) * | 2018-09-27 | 2019-02-12 | 云南中烟工业有限责任公司 | A method of hot blast temperature is determined based on L-PROLINE content in pipe tobacco online |
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| DE19535587C2 (en) * | 1995-09-25 | 1998-01-22 | Bat Cigarettenfab Gmbh | Method and device for depleting nitrate from tobacco stems |
| CN101611923B (en) * | 2008-06-24 | 2011-11-23 | 湖北中烟工业有限责任公司 | Method for processing burley stems into expanded cut stems |
| CN105077563A (en) * | 2015-08-28 | 2015-11-25 | 安徽中烟工业有限责任公司 | Processing method for pre-pressing threshed and re-dried tobacco stems and producing cut stems |
| CN106387984B (en) * | 2016-11-15 | 2018-01-30 | 吉林烟草工业有限责任公司 | A kind of cigarette cut stem and preparation method thereof and cigarette |
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