CN115886301A - Modulation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves - Google Patents
Modulation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves Download PDFInfo
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- CN115886301A CN115886301A CN202211516957.2A CN202211516957A CN115886301A CN 115886301 A CN115886301 A CN 115886301A CN 202211516957 A CN202211516957 A CN 202211516957A CN 115886301 A CN115886301 A CN 115886301A
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- flue
- cured tobacco
- circulating air
- tobacco leaves
- curing
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 87
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004383 yellowing Methods 0.000 title claims abstract description 24
- 230000001737 promoting effect Effects 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007791 dehumidification Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 3
- 238000001723 curing Methods 0.000 description 42
- 238000005265 energy consumption Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention belongs to the technical field of flue-cured tobacco modulation, and particularly relates to a modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves. The method comprises the following steps: the hot air internal circulation dehumidification, the increase of the circulating air humidity and the increase of the circulating air CO in the curing process of the flue-cured tobacco leaves 2 And (4) content. The invention adopts 'hot air internal circulation dehumidification in the tobacco leaf curing process', on the basis of the existing curing barn equipment, an air inlet door and a dehumidification window are sealed, and hot air circulates in the curing barn; adding a dehumidifier with 3-4 kW to convert gaseous water in circulating air in the curing barn into liquid water and discharge the liquid water out of the curing barn; the heat released by the phase change of the water returns to the curing barn. The method increases the circulating air humidity, and improves the circulating air relative humidity by 3 to 5 percent and the relative humidity by 80 to 90 percent compared with the conventional flue-cured tobacco leaf curing process. "increase the circulating wind CO 2 Content ", compared with conventional flue-cured tobacco leaf curing process, the method improves the circulating air CO 2 30-50% of CO 2 The concentration is 0.070% -0.080%; the hot air is internally circulated, and the tobacco leaves are metabolized by respiration to generate CO 2 Circulating air CO 2 The content is increased.
Description
Technical Field
The invention belongs to the technical field of flue-cured tobacco modulation, and particularly relates to a modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves.
Background
For years, in the curing process of flue-cured tobacco, the tobacco leaves are slow to yellow and poor in uniformity, so that more energy is consumed, and the curing quality of the tobacco leaves is uneven. This problem becomes the bottleneck of the curing development of the flue-cured tobacco.
Disclosure of Invention
The invention aims to provide a curing method for promoting quick and uniform yellowing of flue-cured tobacco leaves, which has the characteristics of reducing curing energy consumption of the flue-cured tobacco leaves and improving curing quality of the tobacco leaves.
In order to solve the technical problems, the invention adopts the following technical scheme:
a modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves comprises the following steps: hot air internal circulation dehumidification, increase of circulating air humidity and increase of circulating air CO in the curing process of flue-cured tobacco leaves 2 And (4) content.
Further, the specific steps of hot air internal circulation dehumidification in the cured tobacco leaf curing process are as follows: on the basis of the existing curing barn equipment, an air inlet door and a moisture exhaust window are sealed, and hot air circulates in the curing barn; a dehumidifier with 3-4 kW is added to convert gaseous water in circulating air in the curing barn into liquid water to be discharged out of the curing barn; the heat released by the phase change of the water returns to the curing barn.
Further, the step of increasing the humidity of the circulating air comprises the following steps: compared with the conventional flue-cured tobacco leaf curing process, the relative humidity of the circulating air is improved by 3-5%, and the relative humidity is 80-90%.
Further, increase the circulating air CO 2 The content steps are as follows: compared with the conventional flue-cured tobacco leaf curing process, the method improves the circulating air CO 2 30-50% of CO 2 The concentration is 0.070% -0.080%; the hot air is internally circulated, and the tobacco leaves are metabolized by respiration to generate CO 2 Circulating air CO 2 The content is increased.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. compared with the conventional flue-cured tobacco leaf curing process technology, the invention shortens the tobacco leaf curing yellowing time by 20-30%, and the tobacco leaves yellow for 36-48 h; the energy consumption of the tobacco leaf curing is reduced by 15-20%, and the power consumption of the primary tobacco leaf is 1.50-2.50 kW h/kg.
2. Compared with the conventional flue-cured tobacco leaf curing process technology, the invention increases the yellowing uniformity of the tobacco leaves by 20-30%, the tobacco leaf transformation uniformity by 90-100%, and improves the uniformity of the curing quality of the tobacco leaves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
In 2022, in the city of shanglong county of qujing, yunnan province, a preparation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves comprises internally circulating and dehumidifying hot air, increasing circulating air humidity and increasing circulating air CO in the preparation process of the flue-cured tobacco leaves 2 Content 3 items.
Hot air internal circulation dehumidification in the flue-cured tobacco leaf modulation process: on the basis of the existing curing barn equipment, an air inlet door and a moisture exhaust window are sealed, and hot air circulates in the curing barn; adding a dehumidifier with 3.5kW to convert gaseous water in circulating air in the curing barn into liquid water to be discharged out of the curing barn; the heat released by the phase change of the water returns to the curing barn.
And (3) increasing the humidity of circulating air: compared with the conventional flue-cured tobacco leaf curing process, the relative humidity of the circulating air is improved by 4.0 percent and the relative humidity is improved by 85 percent.
Increase the circulating air CO 2 The contents are as follows: compared with the conventional flue-cured tobacco leaf curing process, the method improves the circulating air CO 2 40.0% of CO, CO 2 The concentration is 0.0725%.
The yellowing time, uniformity and energy consumption of the cured tobacco leaves during the curing process are measured, and the medium-grade tobacco proportion and average price of the cured tobacco leaves are shown in table 1.
Selecting 1 seat (without adding dehumidifier, circulating air humidity and circulating air CO) of hot air circulation bulk curing barn according to tobacco industry standard (national tobacco compliment (2009) 418) 2 Content), the tobacco leaves are the same as the tobacco leaves treated by the technology, namely the same variety, the same part and the same maturity; the yellowing time, uniformity and energy consumption of the tobacco leaves during the curing process of the cured tobacco leaves are measured, and the medium-grade tobacco proportion and average price of the cured tobacco leaves are shown in table 1.
Table 1 table comparing the results of example 1 with those of conventional art (applied to the northeast yunnan smoke zone)
A modulation method for promoting the rapid and uniform yellowing of flue-cured tobacco leaves is applied to the northeast Yunnan tobacco district, compared with a control, the tobacco leaves yellow within 42.00h, and the tobacco leaf modulation yellowing time is shortened by 27.59%; the yellowing uniformity of the tobacco leaves is 95 percent, and is improved by 26.67 percent; the power consumption is 847.88 kW.h, and the energy consumption for curing the tobacco leaves is reduced by 18.00%; the middle-grade and high-grade smoke proportion is improved by 10.01 percent; the average price is increased by 4.13 yuan/kg. The implementation effect is remarkable.
Example 2
In 2022, in Luxi county, honghe, yunnan province, a preparation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves comprises hot air internal circulation dehumidification, increase of circulating air humidity and increase of circulating air CO in the preparation process of the flue-cured tobacco leaves 2 Content 3 items.
Hot air internal circulation dehumidification in the flue-cured tobacco leaf modulation process: on the basis of the existing curing barn equipment, an air inlet door and a moisture exhaust window are sealed, and hot air circulates in the curing barn; adding a dehumidifier with 3.0kW to convert gaseous water in circulating air in the curing barn into liquid water to be discharged out of the curing barn; the heat released by the moisture phase change returns to the curing barn.
And (3) increasing the humidity of circulating air: compared with the conventional flue-cured tobacco leaf curing process, the relative humidity of the circulating air is improved by 4.5 percent and the relative humidity is improved by 87 percent.
Increase the circulating air CO 2 The content is as follows: compared with the conventional flue-cured tobacco leaf curing process, the method improves the circulating air CO 2 45.0% of CO, CO 2 The concentration was 0.0761%.
The yellowing time, uniformity and energy consumption of the tobacco leaves during the curing process of the cured tobacco leaves were measured, and the medium-grade tobacco proportion and average price of the cured tobacco leaves are shown in table 2.
According to a conventional technology (CK), 1 seat (without adding a dehumidifier or increasing the humidity and CO of circulating air) of a hot air circulating bulk curing barn (national tobacco institute (2009) 418) which meets the tobacco industry standard is selected 2 Content)), the tobacco leaves are the same as the tobacco leaves treated by the invention technology, namely the same variety, the same part and the same maturity; the yellowing time, uniformity and energy consumption of the cured tobacco leaves during the curing process are measured, and the medium-grade tobacco proportion and average price of the cured tobacco leaves are shown in table 2.
Table 2 example 2 comparison table with results of conventional techniques (applied to Yunnan southeast tobacco section)
A modulation method for promoting the rapid and uniform yellowing of flue-cured tobacco leaves is applied to a Yunnan southeast tobacco area, compared with a control, the tobacco leaves yellow within 44.00 hours, and the tobacco leaf modulation yellowing time is shortened by 29.03 percent; the yellowing uniformity of the tobacco leaves is 98 percent, and is improved by 25.64 percent; the electricity consumption is 889.88 kW.h, and the energy consumption for curing the tobacco leaves is reduced by 17.41 percent; the middle-grade and top-grade smoke proportion is improved by 10.83 percent; the average price is increased by 4.34 yuan/kg. The implementation effect is remarkable.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (4)
1. A modulation method for promoting the rapid and uniform yellowing of flue-cured tobacco leaves is characterized by comprising the following steps: the method comprises the following steps: hot air internal circulation dehumidification, increase of circulating air humidity and increase of circulating air CO in the curing process of flue-cured tobacco leaves 2 And (4) content.
2. The modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves according to claim 1, characterized by comprising the following steps: the hot air internal circulation dehumidification method in the flue-cured tobacco leaf modulation process comprises the following specific steps: on the basis of the existing curing barn equipment, an air inlet door and a moisture exhaust window are sealed, and hot air circulates in the curing barn; a dehumidifier with 3-4 kW is added to convert gaseous water in circulating air in the curing barn into liquid water to be discharged out of the curing barn; the heat released by the phase change of the water returns to the curing barn.
3. The modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves according to claim 1, characterized by comprising the following steps: the steps of increasing the humidity of the circulating air are as follows: compared with the conventional flue-cured tobacco leaf curing process, the relative humidity of the circulating air is improved by 3-5%, and the relative humidity is 80-90%.
4. The modulation method for promoting quick and uniform yellowing of flue-cured tobacco leaves according to claim 1, characterized by comprising the following steps: increase circulating air CO 2 The content steps are as follows: compared with the conventional flue-cured tobacco leaf curing process, the method improves the circulating air CO 2 30-50% of CO 2 The concentration is 0.070% -0.080%; the hot air is internally circulated, and the tobacco leaves are metabolized by respiration to generate CO 2 Circulating air CO 2 The content is increased.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211516957.2A CN115886301A (en) | 2022-11-29 | 2022-11-29 | Modulation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211516957.2A CN115886301A (en) | 2022-11-29 | 2022-11-29 | Modulation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves |
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| CN115886301A true CN115886301A (en) | 2023-04-04 |
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| CN202211516957.2A Pending CN115886301A (en) | 2022-11-29 | 2022-11-29 | Modulation method for promoting rapid and uniform yellowing of flue-cured tobacco leaves |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3664034A (en) * | 1970-09-23 | 1972-05-23 | Bouligny Inc R H | Tobacco bulk curing system with improved curing air flow rate control |
| AU7369174A (en) * | 1974-02-28 | 1976-04-01 | Sansyu Sangyo Co., Ltd | Tobacco leaf curing system |
| US4192323A (en) * | 1977-09-21 | 1980-03-11 | Gas-Fired Products, Inc. | Apparatus and method for automatically controlling curing conditions in a tobacco curing barn |
| CN102440430A (en) * | 2011-10-19 | 2012-05-09 | 广东中烟工业有限责任公司 | Bulk curing barn and tobacco flue-curing method using same |
| US20130319434A1 (en) * | 2012-06-01 | 2013-12-05 | August J. Borschke | Method and system for moist tobacco extract isolation |
| CN107890134A (en) * | 2017-12-20 | 2018-04-10 | 云南省烟草公司楚雄州公司 | Shorten the method for closed barn flue-curing time of tobacco leaves |
| CN210538861U (en) * | 2019-08-02 | 2020-05-19 | 云南省烟草农业科学研究院 | Curing barn capable of accurately controlling gas components and concentration |
-
2022
- 2022-11-29 CN CN202211516957.2A patent/CN115886301A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3664034A (en) * | 1970-09-23 | 1972-05-23 | Bouligny Inc R H | Tobacco bulk curing system with improved curing air flow rate control |
| AU7369174A (en) * | 1974-02-28 | 1976-04-01 | Sansyu Sangyo Co., Ltd | Tobacco leaf curing system |
| US4192323A (en) * | 1977-09-21 | 1980-03-11 | Gas-Fired Products, Inc. | Apparatus and method for automatically controlling curing conditions in a tobacco curing barn |
| CN102440430A (en) * | 2011-10-19 | 2012-05-09 | 广东中烟工业有限责任公司 | Bulk curing barn and tobacco flue-curing method using same |
| US20130319434A1 (en) * | 2012-06-01 | 2013-12-05 | August J. Borschke | Method and system for moist tobacco extract isolation |
| CN107890134A (en) * | 2017-12-20 | 2018-04-10 | 云南省烟草公司楚雄州公司 | Shorten the method for closed barn flue-curing time of tobacco leaves |
| CN210538861U (en) * | 2019-08-02 | 2020-05-19 | 云南省烟草农业科学研究院 | Curing barn capable of accurately controlling gas components and concentration |
Non-Patent Citations (1)
| Title |
|---|
| 中国农业科学院烟草研究所主编: "《中国烟草栽培学》", 30 August 1987, 上海科学技术出版社, pages: 247 - 248 * |
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