CN102920001B - Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology - Google Patents

Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology Download PDF

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CN102920001B
CN102920001B CN201210502428.7A CN201210502428A CN102920001B CN 102920001 B CN102920001 B CN 102920001B CN 201210502428 A CN201210502428 A CN 201210502428A CN 102920001 B CN102920001 B CN 102920001B
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tobacco leaf
bulb temperature
tobacco
heat zone
modulation
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CN102920001A (en
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雷丽萍
崔国民
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Yunnan Academy of Tobacco Agricultural Sciences
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Yunnan Academy of Tobacco Agricultural Sciences
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Abstract

The invention discloses a flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology. A low-temperature, low-humidity, and 'dual-low modulation' method is adopted, dry and wet bulb temperatures of the high temperature layer and the lower temperature layer in a baking room are improved step by step in five steps for modulation, and the aim that 'yellow smoke follows by green smoke, the green smoke changes yellow rapidly, the yellow smoke does not change yellow excessively and is modulated to be yellow in the whole furnace' is achieved. According to the invention, a flue-cured modulation technology which corresponds to tobacco leaf curing physiology and biochemistry principle is researched and formulated, overcomes or reduces much 'dull smoke' or 'green smoke', is suitable for flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation, and is the innovation and development of the low-temperature slow yellow change and low-humidity slow leaf drying curing principle.

Description

A kind of flue-cured tobacco differing maturity class tobacco leaf is with stove modulation process
Technical field
The present invention relates to a kind of flue-cured tobacco differing maturity class tobacco leaf with stove modulation process, belong to technical field of tobacco modulation.
Background technology
Flue-cured tobacco maturation is gathered, usual requirement is accomplished " three is same ", i.e.: " same kind, same position, same maturity ", require ripe consistent tobacco leaf of gathering in theory, in actual mechanical process, due to reasons such as human error, operate miss, cigarette strain disease and pests, there are underdone, first ripe, proper mature (ripe), overdone four kinds of differing maturity class in the tobacco leaf of gathering usually.In same stove barn, only a kind of tobacco leaf of maturity class baked by dress, rarely found in production practices, and majority is the tobacco leaf of in-built roasting 2 ~ 3 kinds of maturity class of same stove barn.
If land for growing field crops cigarette strain growth neat and consistent, it is conscientious that tobacco grower adopts cigarette, and the tobacco leaf kind of the in-built roasting differing maturity class of same stove barn is just few; If cigarette strain growth in land for growing field crops is uneven, it is half-hearted that tobacco grower adopts cigarette, and the tobacco leaf kind of the in-built roasting differing maturity class of same stove barn is just many.In flue-cured tobacco differing maturity class tobacco leaf modulated process, turn yellow, rate of drying is inconsistent, yield to yellow tobacco leaf, cyan tobacco leaf is roasting blue or green; Yield to cyan tobacco leaf, yellow tobacco leaf is baked withered, is difficult to coordinate.The flue-cured tobacco syllogic tobacco leaf modulation process that China carries out, simple coarse, can not solve flue-cured tobacco differing maturity class tobacco leaf with stove modulation process problem; In existing external modulation process, as Brazilian modulation process, Zimbabwe's modulation process, U.S.'s modulation process, Japanese modulation process etc., all can not solve flue-cured tobacco differing maturity class tobacco leaf with stove modulation process problem.How to modulate the tobacco leaf of the in-built roasting differing maturity class of same stove barn, be the common difficulty of domestic and international modulation technique personnel.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, provide a kind of flue-cured tobacco differing maturity class tobacco leaf with stove modulation process, to solve the key issue existed in the tobacco leaf modulated process of existing differing maturity class.
In order to solve the above technical problem, a kind of flue-cured tobacco differing maturity of the present invention class tobacco leaf is with stove modulation process, and the step of described technique is as follows:
1. after on fire, with the programming rate of average 2 DEG C/h, in 7.0 ~ 10.0h, heat zone dry-bulb temperature is raised to 34.0 ~ 35.0 DEG C from natural temperature, wet-bulb temperature adjustment is at 31.0 ~ 32.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turn yellow 30% ~ 40%, cryosphere tobacco leaf is heated, dehydration, deliquescing;
2. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 38.0 ~ 39.0 DEG C from 35.0 DEG C, and wet-bulb temperature adjusts at 33.0 ~ 34.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turns yellow 80% ~ 90%, and cryosphere tobacco leaf turns yellow 30% ~ 40%;
3. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 42.0 ~ 44.0 DEG C from 39.0 DEG C, wet-bulb temperature adjustment is at 34.0 ~ 35.0 DEG C, modulating time 8.0 ~ 12.0h, heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%, and cryosphere tobacco leaf turns yellow 80% ~ 90%;
4. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 51.0 ~ 53.0 DEG C from 44.0 DEG C, and wet-bulb temperature adjusts at 36.0 ~ 37.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%;
5. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 68.0 ~ 70.0 DEG C from 53.0 DEG C, wet-bulb temperature adjusts at 40.0 ~ 41.0 DEG C, modulating time 24.0 ~ 36.0h, full stove drying tobacco.
Concrete technology of the present invention is in table 1.
Table 1: flue-cured tobacco differing maturity class tobacco leaf is with stove modulation process
A kind of flue-cured tobacco differing maturity of the present invention class tobacco leaf is with stove modulation process, and be the mend gene on existing Process ba-sis, its reformed AHP point is:
(1) in flue-cured tobacco modulated process, dry-bulb temperature 34.0 ~ 35.0 DEG C, wet-bulb temperature 31.0 ~ 32.0 DEG C, heat zone tobacco leaf turns yellow 30% ~ 40%; Cryosphere tobacco leaf is heated, dehydration, deliquescing.
(2) in flue-cured tobacco modulated process, dry-bulb temperature 38.0 ~ 39.0 DEG C, wet-bulb temperature 33.0 ~ 34.0 DEG C, heat zone tobacco leaf turns yellow 80% ~ 90%; Cryosphere tobacco leaf turns yellow 30% ~ 40%.
(3) in flue-cured tobacco modulated process, dry-bulb temperature 42.0 ~ 44.0 DEG C, wet-bulb temperature 34.0 ~ 35.0 DEG C, heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%; Cryosphere tobacco leaf turns yellow 80% ~ 90%.
(4) in flue-cured tobacco modulated process, dry-bulb temperature 51.0 ~ 53.0 DEG C, wet-bulb temperature 36.0 ~ 37.0 DEG C, heat zone tobacco leaf drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%.
(5) in flue-cured tobacco modulated process, dry-bulb temperature 68.0 ~ 70.0 DEG C, wet-bulb temperature 40.0 ~ 41.0 DEG C, full stove drying tobacco.
Scientific basis of the present invention is: underdone tobacco leaf, first ripe tobacco leaf, and organize relatively tightr, hydrophilic colloid is more, and irreducible water relative amount is higher, and Free water relative amount is lower, and in tobacco leaf modulated process, dehydration is comparatively difficult; Meanwhile, underdone tobacco leaf, first ripe tobacco leaf, chlorophyll in tobacco leaf concentration is higher, and tobacco leaf flavescence process is longer.Proper mature (ripe) tobacco leaf, overdone tobacco leaf, organize more loose, hydrophilic colloid is less, and irreducible water relative amount is lower, and Free water relative amount is higher, and in tobacco leaf modulated process, dehydration is comparatively easy; Meanwhile, proper mature (ripe) tobacco leaf, overdone tobacco leaf, chlorophyll in tobacco leaf concentration is lower, and tobacco leaf flavescence process is shorter.The tobacco leaf of this two type, according to technique modulation wet in technique wet in hot and humid technique, middle temperature, middle temperature high humidity technique, high temperature, the good tobacco leaf of maturity, turns yellow, then blackening very soon; The tobacco leaf that maturity is poor, slowly turns yellow, easily roasting blue or green; Cannot be realized the two take into account.The present invention adopts low temperature and low humidity technique to modulate, the tobacco leaf that maturity is poor, and organize comparatively tight, hydrophilic colloid is more, and moisture holding capacity is comparatively strong, under " low temperature, low humidity " condition, can not excessive desiccation, and produce blue or green cigarette; The good tobacco leaf of maturity, tissue looseness, hydrophilic colloid is less, and moisture holding capacity is more weak, and under the condition of " low temperature, low humidity ", progressively dehydration, flavescence, drying, can not produce black poor tobacco leaf; Like this, " the blue or green cigarette such as tobacco, blue or green cigarette turns yellow soon; tobacco turns yellow unduly; stove Huang is helped in modulation ", the present invention has studied and defined the flue-cured tobacco modulation process meeting above-mentioned tobacco flue-curing Physiology and biochemistry rule, is that low temperature turns yellow slowly, the innovating and developing of low humidity slow curing leaf baking principle.
Beneficial effect of the present invention: present invention is disclosed the impact of low temperature and low humidity Temperature Humidity Combinations on differing maturity class tobacco leaf, flue-cured tobacco differing maturity class tobacco leaf is modulated with stove, truly, effectively, can overcome or reduce more " withered cigarette " or " blue or green cigarette ", significantly improve tobacco leaf modulation quality; Be applicable to the flue-cured tobacco modulation of different ecological environment.
detailed description of the invention:
Below in conjunction with embodiment, the present invention is described in further detail.
A kind of flue-cured tobacco differing maturity of the present invention class tobacco leaf is with stove modulation process, and the step of described technique is as follows:
1. after on fire, with the programming rate of average 2 DEG C/h, in 7.0 ~ 10.0h, heat zone dry-bulb temperature is raised to 34.0 ~ 35.0 DEG C from natural temperature, wet-bulb temperature adjustment is at 31.0 ~ 32.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turn yellow 30% ~ 40%, cryosphere tobacco leaf is heated, dehydration, deliquescing;
2. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 38.0 ~ 39.0 DEG C from 35.0 DEG C, and wet-bulb temperature adjusts at 33.0 ~ 34.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turns yellow 80% ~ 90%, and cryosphere tobacco leaf turns yellow 30% ~ 40%;
3. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 42.0 ~ 44.0 DEG C from 39.0 DEG C, wet-bulb temperature adjustment is at 34.0 ~ 35.0 DEG C, modulating time 8.0 ~ 12.0h, heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%, and cryosphere tobacco leaf turns yellow 80% ~ 90%;
4. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 51.0 ~ 53.0 DEG C from 44.0 DEG C, and wet-bulb temperature adjusts at 36.0 ~ 37.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%;
5. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 68.0 ~ 70.0 DEG C from 53.0 DEG C, wet-bulb temperature adjusts at 40.0 ~ 41.0 DEG C, modulating time 24.0 ~ 36.0h, full stove drying tobacco.
Device therefor of the present invention is conventional air-flow ascending manner or airflow descending type compression intensive baking room, wherein: heat zone, in air-flow ascending manner intensive baking room, refers to the base frame of barn; Fall under a gas flow in formula bulk curing barn, refer to the roof platform of barn; Cryosphere, in air-flow ascending manner intensive baking room, refers to the roof platform of barn; Fall under a gas flow in formula bulk curing barn, refer to the base frame of barn.
Embodiment 1: flue-cured tobacco middle and lower part differing maturity class tobacco leaf is verified with stove modulation process
Task: adopt low temperature and low humidity modulation process, accomplishes " the blue or green cigarette such as tobacco, blue or green cigarette turns yellow soon, and tobacco turns yellow unduly, and stove Huang is helped in modulation ";
Technology path: low temperature turns yellow slowly, low humidity slow curing leaf;
Key problem in technology: low temperature, low humidity, " two low modulation ";
Concrete operations:
(1) after on fire, with the programming rate of average 2 DEG C/h, in 7.0 ~ 10.0h, heat zone dry-bulb temperature is raised to 34.0 ~ 35.0 DEG C from natural temperature, wet-bulb temperature adjusts at 31.0 ~ 32.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 30% ~ 40%; Cryosphere tobacco leaf is heated, dehydration, deliquescing.Burn little fire, make a fire and want " little and bear ";
(2) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 38.0 ~ 39.0 DEG C from 35.0 DEG C, wet-bulb temperature adjusts at 33.0 ~ 34.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 80% ~ 90%; Cryosphere tobacco leaf turns yellow 30% ~ 40%.Burn little fire, make a fire and want " little and bear ";
(3) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 42.0 ~ 44.0 DEG C from 39.0 DEG C, wet-bulb temperature adjusts at 34.0 ~ 35.0 DEG C, modulating time 8.0 ~ 12.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%; Cryosphere tobacco leaf turns yellow 80% ~ 90%.Burn till moderate heat, steady hydrofuge;
(4) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 51.0 ~ 53.0 DEG C from 44.0 DEG C, wet-bulb temperature adjusts at 36.0 ~ 37.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone blade drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%; Burn till big fire, steady warm, constant, a large amount of hydrofuge;
(5) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 68.0 ~ 70.0 DEG C from 53.0 DEG C, wet-bulb temperature adjusts at 40.0 ~ 41.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: full stove drying tobacco.Burn till moderate heat, steady warm, constant, a small amount of hydrofuge.
Modulation result: tobacco leaf color is golden yellow, orange, color and luster is comparatively strong, does not have " withered cigarette ", " blue or green cigarette " appearance; Better-than-average cigarette ratio 95% ~ 98%; Expert is to the smoking result of tobacco leaf: aroma quality is purer, perfume quantity is comparatively sufficient, and overall judging parameter, is better than conventional modulated technique.
Embodiment 2: flue-cured tobacco top differing maturity class tobacco leaf is verified with stove modulation process
Task: adopt low temperature and low humidity modulation process, accomplishes " the blue or green cigarette such as tobacco, blue or green cigarette turns yellow soon, and tobacco turns yellow unduly, and stove Huang is helped in modulation ";
Technology path: low temperature turns yellow slowly, low humidity slow curing leaf;
Key problem in technology: low temperature, low humidity, " two low modulation ";
Concrete operations:
(1) after on fire, with the programming rate of average 2 DEG C/h, in 7.0 ~ 10.0h, heat zone dry-bulb temperature is raised to 34.0 ~ 35.0 DEG C from natural temperature, wet-bulb temperature adjusts at 31.0 ~ 32.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 30% ~ 35%; Cryosphere tobacco leaf is heated, dehydration, deliquescing.Burn little fire, make a fire and want " little and bear ";
(2) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 38.0 ~ 39.0 DEG C from 35.0 DEG C, wet-bulb temperature adjusts at 33.0 ~ 34.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 80% ~ 90%; Cryosphere tobacco leaf turns yellow 30% ~ 40%.Burn little fire, make a fire and want " little and bear ";
(3) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 42.0 ~ 44.0 DEG C from 39.0 DEG C, wet-bulb temperature adjusts at 34.0 ~ 35.0 DEG C, modulating time 8.0 ~ 12.0h.Tobacco leaf variation targets: heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%; Cryosphere tobacco leaf turns yellow 80% ~ 85%.Burn till moderate heat, steady hydrofuge;
(4) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 51.0 ~ 53.0 DEG C from 44.0 DEG C, wet-bulb temperature adjusts at 36.0 ~ 37.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: heat zone blade drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%.Burn till big fire, steady warm, constant, a large amount of hydrofuge;
(5) with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 68.0 ~ 70.0 DEG C from 53.0 DEG C, wet-bulb temperature adjusts at 40.0 ~ 41.0 DEG C, modulating time 24.0 ~ 36.0h.Tobacco leaf variation targets: full stove drying tobacco.Burn till moderate heat, steady warm, constant, a small amount of hydrofuge.
Modulation result: tobacco leaf color is golden yellow, orange, color and luster is comparatively strong, does not have " withered cigarette ", " blue or green cigarette " appearance; Better-than-average cigarette ratio 87% ~ 90%; Expert is to the smoking result of tobacco leaf: aroma quality is purer, perfume quantity is comparatively sufficient, and overall judging parameter, is better than conventional modulated technique.

Claims (1)

1. flue-cured tobacco differing maturity class tobacco leaf is with a stove modulation process, it is characterized in that, the step of described technique is as follows:
1. after on fire, with the programming rate of average 2 DEG C/h, in 7.0 ~ 10.0h, heat zone dry-bulb temperature is raised to 34.0 ~ 35.0 DEG C from natural temperature, wet-bulb temperature adjustment is at 31.0 ~ 32.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turn yellow 30% ~ 40%, cryosphere tobacco leaf is heated, dehydration, deliquescing;
2. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 38.0 ~ 39.0 DEG C from 35.0 DEG C, and wet-bulb temperature adjusts at 33.0 ~ 34.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf turns yellow 80% ~ 90%, and cryosphere tobacco leaf turns yellow 30% ~ 40%;
3. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 42.0 ~ 44.0 DEG C from 39.0 DEG C, wet-bulb temperature adjustment is at 34.0 ~ 35.0 DEG C, modulating time 8.0 ~ 12.0h, heat zone tobacco leaf turns yellow 95% ~ 100%, blade drying 10% ~ 20%, and cryosphere tobacco leaf turns yellow 80% ~ 90%;
4. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 51.0 ~ 53.0 DEG C from 44.0 DEG C, and wet-bulb temperature adjusts at 36.0 ~ 37.0 DEG C, modulating time 24.0 ~ 36.0h, heat zone tobacco leaf drying 50% ~ 60%, cryosphere tobacco leaf drying 10% ~ 20%;
5. with the programming rate of average 1 DEG C/h, heat zone dry-bulb temperature is raised to 68.0 ~ 70.0 DEG C from 53.0 DEG C, wet-bulb temperature adjusts at 40.0 ~ 41.0 DEG C, modulating time 24.0 ~ 36.0h, full stove drying tobacco.
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