CN102626254A - High-quality tobacco leaf baking process - Google Patents

High-quality tobacco leaf baking process Download PDF

Info

Publication number
CN102626254A
CN102626254A CN2012101002819A CN201210100281A CN102626254A CN 102626254 A CN102626254 A CN 102626254A CN 2012101002819 A CN2012101002819 A CN 2012101002819A CN 201210100281 A CN201210100281 A CN 201210100281A CN 102626254 A CN102626254 A CN 102626254A
Authority
CN
China
Prior art keywords
tobacco
temperature
leaf
baking
dry
Prior art date
Application number
CN2012101002819A
Other languages
Chinese (zh)
Other versions
CN102626254B (en
Inventor
张谷林
王忠建
秦霆镐
Original Assignee
云南中建博能工程技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 云南中建博能工程技术有限公司 filed Critical 云南中建博能工程技术有限公司
Priority to CN201210100281.9A priority Critical patent/CN102626254B/en
Publication of CN102626254A publication Critical patent/CN102626254A/en
Application granted granted Critical
Publication of CN102626254B publication Critical patent/CN102626254B/en

Links

Abstract

The invention discloses a high-quality tobacco leaf baking process. Major aims to be fulfilled at every time interval of tobacco leaf baking are classified into a yellowing stage, a wilting stage, a color fixing and leaf drying stage and a stalk drying stage, a more intuitional baking process curve is drawn, and a temperature raising speed, upper and lower limit temperature values, a humidity range to be controlled, heat preserving time, and quality appearance forms including color luster, dryness shape and percentage in all tobacco leaves to be achieved in tobacco leaf baking are set at every stage. At the yellowing stage, the leaf surfaces of tobacco leaves on first and second tobacco leaf baking frames in a baking room become yellow completely; at the wilting stage, all tobacco leaves in a furnace wilt and become yellow; at the color fixing and leaf drying stage, tobacco leaves on a bottom tobacco leaf baking frame become pointed, leaves are drum-shaped or approximately drum-shaped, and the leaf surfaces are dry; and at the stalk drying stage, heat is preserved till all tobacco stalks in the furnace are dried completely. According to the baked tobacco leaves, the green smoke rate and ash hanging rate can be reduced remarkably, and green stalks, clear sheets, green flotation, ash hanging and the like are reduced.

Description

The sound tobacco baking process
Technical field
The present invention relates to a kind of sound tobacco baking process.
Background technology
In leaf tobacco production, kind, cultivation are the bases, and baking is crucial.In recent years, China's method for flue-curing tobacco leaves has experienced the reform of varied form.Such as two stage baking process, multistage baking process, traditional flue-curing barn baking process, syllogic baking process or the like, under specific economic base condition, combine with specific barn type, produced different content, multi-form baking process.
The existing barn great majority of the tobacco grower of Yunnan Province are the characteristics of vertical air-flow ascending manner intensity automation barn at present, and syllogic baking process before in baking, continuing to adopt or traditional flue-curing barn baking process etc. have not all adapted to the requirement that utilizes barn to toast out qualified tobacco leaf.Not only blue or green cigarette, blue veins, leafiness and dust cigarette increase in the bake process, and baking properties is not high, do not reach the due effect of intensive barn curing baking tobacco leaves.Its major reason is the designing requirement of the intensive automation barn of the vertical air-flow ascending manner of baking process technology incompatibility.
Summary of the invention
The object of the invention just provides a kind of sound tobacco baking process; So that the user who utilizes the intensive automation barn of vertical air-flow ascending manner is in tobacco flue-curing; More clearly grasp temperature, the humidity control main points in each stage in the baking; Bring into play the advantage of this kind barn, toast out high-quality tobacco leaf.
The technical scheme of taking: sound tobacco baking process; Be divided into tobacco flue-curing changing yellow stage, wilting phase, fixation cured leaf phase, drying muscle stage four-stage and make more intuitive method for flue-curing tobacco leaves curve according to the main purpose that the day part baking will reach, concrete operations technology is following:
Changing yellow stage: a, dry-bulb temperature is raised to 30 ℃ with the speed of 1 ℃/h, 35 ℃~36 ℃ of wet-bulb temperature, constant temperature 7 hours treats in the barn that the blade tip flavescence rate of tobacco leaf on first tobacco flue-curing frame is not less than 60%;
B, dry-bulb temperature is raised to 35 ℃ from 30 ℃ with the speed of 1 ℃/h; 35 ℃~36 ℃ of wet-bulb temperature; Constant temperature 10 ± 0.2-0.4 hour, treat in the barn that the blade tip of tobacco leaf on first tobacco flue-curing frame is yellow entirely, the blade tip flavescence rate of tobacco leaf is not less than 60% on two tobacco flue-curing framves;
C, dry-bulb temperature is raised to 39 ℃ from 35 ℃ with the speed of 1 ℃/h, 35 ℃~36 ℃ of wet-bulb temperature, constant temperature 10 ± 0.2-0.5 hour, the tobacco surface in the barn on first, second tobacco flue-curing frame was yellow entirely;
The wilting phase: with the speed of 1 ℃/h dry-bulb temperature is raised to 43 ℃ from 39 ℃, 36 ℃~37 ℃ of wet-bulb temperature, constant temperature 11 ± 0.2-0.6 hour, the tobacco leaf in the barn on every tobacco flue-curing frame was yellow entirely, the complete wilting flavescence of stove tobacco leaf;
The fixation cured leaf phase: a, dry-bulb temperature is raised to 47 ℃ from 43 ℃ with the speed of 0.5 ℃/h, 37 ℃~39 ℃ of wet-bulb temperature, constant temperature is no less than 2 hours, and the branch's cigarette muscle and the main cigarette muscle that reach every tobacco leaf on the tobacco flue-curing frame when the tobacco leaf flavescence turn white, and top platform tobacco leaf is yellow entirely;
B, with the speed of 0.5 ℃/h with dry-bulb temperature from 47 ℃ to 55 ℃, 37 ℃~39 ℃ of wet-bulb temperature, constant temperature is no less than 10 hours, the tobacco leaf on the base frame tobacco flue-curing frame colludes point, blade shaped becomes drum or near reel shape, the blade face is dry;
Drying muscle stage: a, dry-bulb temperature is raised to 60 ℃ from 55 ℃ with the speed of 1 ℃/h, 40 ℃~42 ℃ of wet-bulb temperature, constant temperature is no less than 5 hours, and the tobacco leaf on the top platform tobacco flue-curing frame forms drum or near reel shape.
B, with the speed of 1 ℃/h dry-bulb temperature is raised to 65 ℃ from 60 ℃, tobacco leaf has only indivedual several blade master muscle to have 2-3 ㎝ not dried in 40 ℃~42 ℃ of the wet-bulb temperature, this moment barn, and constant temperature is absolutely dry up to full stove cigarette muscle.
According to above-mentioned technology, said constant temperature is meant and heats up when reaching the ceiling temperature value in this processing step, keeps constant temperature.
Process the process curve figure that can instruct the tobacco flue-curing mode of operation according to the relation of the temperature in the above-mentioned technical process, temperature and stoving time.
Adopting resolution ratio is that 0.1 ℃ of accuracy of detection is that 0.25% PT100 is as temperature sensor.
The control of programming rate is realized by " programming rate=(target temperature-observed temperature) ÷ temperature raising time " calculating by computer.
Through repetition test and test, found out the baking process method that is adapted to vertical air-flow ascending manner bulk curing barn and produced process curve.It is that 0.1 ℃ of accuracy of detection is that 0.25% PT100 is applied to tobacco flue-curing as temperature sensor that this process curve adopts resolving power; Guaranteed tobacco leaf requirement to the humiture precision in bake process; The tobacco leaf quality percentage is largely increased, and toasts energy consumption simultaneously and is effectively controlled.Adopting this baking process, can obviously reduce blue smoke rate and dust rate, reduce baking phenomenons such as blue veins, clear sheet, floating green grass or young crops, dust and produce, is the baking process that improves the tobacco flue-curing quality.
Description of drawings
Fig. 1 is the process curve figure that technology of the present invention is processed.
The specific embodiment
Below in conjunction with accompanying drawing, as an example, technical scheme is further specified.
This instance uses the intensive automation barn of vertical air-flow ascending manner; Have 5 tobacco flue-curing framves in the barn from bottom to up; Pack on every tobacco flue-curing frame in barn behind the cigarette, the baking data of in the control of tobacco flue-curing is system computerized, indicating in the input curve are that 0.1 ℃ of accuracy of detection is that 0.25% PT100 places barn as temperature sensor with resolution ratio; Sensor acquisition to temperature, humidity data be connected to control computer in, the igniting get final product.Concrete operations are following:
1, changing yellow stage
(1) speed with 1 ℃/h is raised to 30 ℃ with dry-bulb temperature, constant temperature 7 ± 0.4-0.7 hour, treats that the flavescence of tobacco leaf blade tip reaches 60% on first tobacco flue-curing frame;
(2) with the speed of 1 ℃/h dry-bulb temperature is raised to 35 ℃ from 30 ℃, constant temperature is about 10 hours, and the tobacco leaf blade tip is yellow entirely on the tobacco flue-curing frame, tobacco leaf blade tip flavescence 60% on two tobacco flue-curing framves.
(3) with the speed of 1 ℃/h dry-bulb temperature is raised to 39 ℃ from 35 ℃, constant temperature is about 10 hours, and the tobacco surface on one, two tobacco flue-curing frame is yellow entirely.
(4) note:, please in barn, mend wet if wet-bulb temperature does not reach requirement.
2, the wilting phase
With the speed of 1 ℃/h dry-bulb temperature is raised to 43 ℃ from 39 ℃, constant temperature is about 11 hours, and the tobacco leaf on five tobacco flue-curing framves is yellow entirely, the complete wilting flavescence of stove tobacco leaf.
3, the fixation cured leaf phase
(1) with the speed of 0.5 ℃/h dry-bulb temperature is raised to 47 ℃ from 43 ℃, constant temperature turned white when the tobacco leaf flavescence reaches five tobacco leaf offshoot and master pulses on the tobacco flue-curing frame about 2 hours, and top platform tobacco leaf is yellow entirely.
(2) with the speed of 0.5 ℃/h with dry-bulb temperature from 47 ℃ to 55 ℃, constant temperature is about 10 hours, tobacco leaf colludes point on the base frame tobacco flue-curing frame, blade shaped becomes drum or near reel shape, is commonly called as parent roll, the blade face is dry.
4, drying muscle stage
(1) with the speed of 1 ℃/h dry-bulb temperature is raised to 60 ℃ from 55 ℃, constant temperature is about 5 hours, and top platform tobacco leaf reaches parent roll.
(2) with the speed of 1 ℃/h dry-bulb temperature is raised to 65 ℃ from 60 ℃, tobacco leaf has only minority blade master muscle to have 2-3 ㎝ not dried in this moment barn, and constant temperature cigarette muscle on top platform tobacco flue-curing frame is absolutely dry.
5, points for attention: change the variation standard that do not reach at tobacco leaf, need to prolong constant temperature time.Change the variation standard that reaches in advance at tobacco leaf, need to shorten constant temperature time, get into the next stage in advance.
The flavescence degree of tobacco surface is through eye-observation in the bake process, if arrive current running time in baking stage, and the flavescence degree of tobacco surface does not also reach requirement, can the stoving time of current generation be prolonged; If tobacco surface flavescence degree has reached the current generation requirement, and more than running time, stoving time is shortened to this requirement of adaptation.
According to method for flue-curing tobacco leaves provided by the invention, the first-class cigarette ratio in the tobacco leaf that toasts out is 92.5%, improves 58.5% than standard barn, and roasting bad tobacco leaf ratio is 0.7%, reduces by 5.6% than standard barn.One kilogram of dried cigarette of every baking only consumes 1.21 yuan of labour costs, reduces 1.57 yuan than standard barn; Whenever roasting one kilogram of average energy consumption cost of dried cigarette is 0.43 yuan, compares with the standard barn, reduces 0.26 yuan, reduces cost 38%; The input and output of baking energy consumption cost is than being 1:30.99 times.

Claims (5)

1. sound tobacco baking process; Be divided into tobacco flue-curing changing yellow stage, wilting phase, fixation cured leaf phase, drying muscle stage four-stage and make more intuitive method for flue-curing tobacco leaves curve according to the main purpose that the day part baking will reach, it is characterized in that operating procedure is following:
Changing yellow stage: a, dry-bulb temperature is raised to 30 ℃ with the speed of 1 ℃/h, 35 ℃~36 ℃ of wet-bulb temperature, constant temperature 7 hours treats in the barn that the blade tip flavescence rate of tobacco leaf on first tobacco flue-curing frame is not less than 60%;
B, dry-bulb temperature is raised to 35 ℃ from 30 ℃ with the speed of 1 ℃/h; 35 ℃~36 ℃ of wet-bulb temperature; Constant temperature 10 ± 0.2-0.4 hour, treat in the barn that the blade tip of tobacco leaf on first tobacco flue-curing frame is yellow entirely, the blade tip flavescence rate of tobacco leaf is not less than 60% on two tobacco flue-curing framves;
C, dry-bulb temperature is raised to 39 ℃ from 35 ℃ with the speed of 1 ℃/h, 35 ℃~36 ℃ of wet-bulb temperature, constant temperature 10 ± 0.2-0.5 hour, the tobacco surface in the barn on first, second tobacco flue-curing frame was yellow entirely;
The wilting phase: with the speed of 1 ℃/h dry-bulb temperature is raised to 43 ℃ from 39 ℃, 36 ℃~37 ℃ of wet-bulb temperature, constant temperature 11 ± 0.2-0.6 hour, the tobacco leaf in the barn on every tobacco flue-curing frame was yellow entirely, the complete wilting flavescence of stove tobacco leaf;
The fixation cured leaf phase: a, dry-bulb temperature is raised to 47 ℃ from 43 ℃ with the speed of 0.5 ℃/h, 37 ℃~39 ℃ of wet-bulb temperature, constant temperature is no less than 2 hours, and the branch's cigarette muscle and the main cigarette muscle that reach every tobacco leaf on the tobacco flue-curing frame when the tobacco leaf flavescence turn white, and top platform tobacco leaf is yellow entirely;
B, with the speed of 0.5 ℃/h with dry-bulb temperature from 47 ℃ to 55 ℃, 37 ℃~39 ℃ of wet-bulb temperature, constant temperature is no less than 10 hours, the tobacco leaf on the base frame tobacco flue-curing frame colludes point, blade shaped becomes drum or near reel shape, the blade face is dry;
Drying muscle stage: a, dry-bulb temperature is raised to 60 ℃ from 55 ℃ with the speed of 1 ℃/h, 40 ℃~42 ℃ of wet-bulb temperature, constant temperature is no less than 5 hours, and the tobacco leaf on the top platform tobacco flue-curing frame forms drum or near reel shape;
B, with the speed of 1 ℃/h dry-bulb temperature is raised to 65 ℃ from 60 ℃, tobacco leaf has only indivedual several blade master muscle to have 2-3 ㎝ not dried in 40 ℃~42 ℃ of the wet-bulb temperature, this moment barn, and constant temperature is absolutely dry up to full stove cigarette muscle.
2. sound tobacco baking process according to claim 1 is characterized in that said constant temperature is meant when intensification reaches the ceiling temperature value in this processing step, maintenance constant temperature.
3. sound tobacco baking process according to claim 1 is characterized in that processing the process curve figure that can instruct the tobacco flue-curing mode of operation to the relation of the temperature in the technical process, temperature and stoving time.
4. sound tobacco baking process according to claim 1, it is characterized in that in the operational process of craft adopting resolution ratio is that 0.1 ℃ of accuracy of detection is that 0.25% PT100 is as temperature sensor.
5. sound tobacco baking process according to claim 1, the control that it is characterized in that programming rate are calculated by " programming rate=(target temperature-observed temperature) ÷ temperature raising time " by computer and realize.
CN201210100281.9A 2012-04-09 2012-04-09 High-quality tobacco leaf baking process CN102626254B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210100281.9A CN102626254B (en) 2012-04-09 2012-04-09 High-quality tobacco leaf baking process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210100281.9A CN102626254B (en) 2012-04-09 2012-04-09 High-quality tobacco leaf baking process

Publications (2)

Publication Number Publication Date
CN102626254A true CN102626254A (en) 2012-08-08
CN102626254B CN102626254B (en) 2014-09-10

Family

ID=46584785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210100281.9A CN102626254B (en) 2012-04-09 2012-04-09 High-quality tobacco leaf baking process

Country Status (1)

Country Link
CN (1) CN102626254B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102920001A (en) * 2012-11-30 2013-02-13 云南省烟草农业科学研究院 Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology
CN102987540A (en) * 2012-11-26 2013-03-27 湖北省烟草科研所 Tobacco leaf prewilting baking process for bulk curing barn
CN105286067A (en) * 2015-11-04 2016-02-03 云南省烟草农业科学研究院 Method for improving curing quality of tender mature-delay tobacco leaves
CN105341986A (en) * 2015-11-04 2016-02-24 云南省烟草农业科学研究院 Method for improving curing quality of tobacco leaves affected by Cold Dew
CN105455187A (en) * 2015-12-02 2016-04-06 云南省农业科学院农业环境资源研究所 Intensive curing method for flue-cured tobacco variety NC102
CN107156212A (en) * 2017-07-07 2017-09-15 芜湖飞越食品有限公司 A kind of intelligent temperature control food-processing method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB832991A (en) * 1956-10-19 1960-04-21 Francisco Romero Prats 11 Improvements in or relating to a process of treating tobacco
JPS5493257A (en) * 1977-09-27 1979-07-24 Brown & Williamson Tobacco Tobacco drying method
CN101416770A (en) * 2008-11-25 2009-04-29 云南省烟草科学研究所 Cured tobacco baking technique capable of preventing 'black ant peel' symptom during baking tobacco leaf
CN101416767A (en) * 2008-11-25 2009-04-29 云南省烟草科学研究所 Cured tobacco baking technique capable of improving quality and flavoring
WO2010074908A1 (en) * 2008-12-23 2010-07-01 Williams Jonnie R Tobacco curing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB832991A (en) * 1956-10-19 1960-04-21 Francisco Romero Prats 11 Improvements in or relating to a process of treating tobacco
JPS5493257A (en) * 1977-09-27 1979-07-24 Brown & Williamson Tobacco Tobacco drying method
CN101416770A (en) * 2008-11-25 2009-04-29 云南省烟草科学研究所 Cured tobacco baking technique capable of preventing 'black ant peel' symptom during baking tobacco leaf
CN101416767A (en) * 2008-11-25 2009-04-29 云南省烟草科学研究所 Cured tobacco baking technique capable of improving quality and flavoring
WO2010074908A1 (en) * 2008-12-23 2010-07-01 Williams Jonnie R Tobacco curing method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102987540A (en) * 2012-11-26 2013-03-27 湖北省烟草科研所 Tobacco leaf prewilting baking process for bulk curing barn
CN102987540B (en) * 2012-11-26 2014-06-25 湖北省烟草科研所 Tobacco leaf prewilting baking process for bulk curing barn
CN102920001A (en) * 2012-11-30 2013-02-13 云南省烟草农业科学研究院 Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology
CN102920001B (en) * 2012-11-30 2015-01-07 云南省烟草农业科学研究院 Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology
CN105286067A (en) * 2015-11-04 2016-02-03 云南省烟草农业科学研究院 Method for improving curing quality of tender mature-delay tobacco leaves
CN105341986A (en) * 2015-11-04 2016-02-24 云南省烟草农业科学研究院 Method for improving curing quality of tobacco leaves affected by Cold Dew
CN105455187A (en) * 2015-12-02 2016-04-06 云南省农业科学院农业环境资源研究所 Intensive curing method for flue-cured tobacco variety NC102
CN107156212A (en) * 2017-07-07 2017-09-15 芜湖飞越食品有限公司 A kind of intelligent temperature control food-processing method

Also Published As

Publication number Publication date
CN102626254B (en) 2014-09-10

Similar Documents

Publication Publication Date Title
CN104255959A (en) Automatic production line for Houdou Lanxiang
CN105104601B (en) A kind of automation continuous manufacturing process of large leaf tea processing green tea
CN103783231B (en) Production method for jasmine flower flavor type black tea
CN204270181U (en) A kind of long-range intelligent control system for greenhouse
CN102669313A (en) Roasted famous high-quality green tea and production process thereof
CN105180640B (en) The method for drying wood of multi-parameter monitoring
CN105519708A (en) A processing process for rocked black tea
CN103082039A (en) Method for increasing dry tea green degree of green tea
CN101953405A (en) Tea mechanization and clean production line
CN203152132U (en) Greenhouse planting system of internet of things
CN101991180B (en) Tobacco leaf curing process capable of improving curing quality of flue-cured tobacco variety KRK26
CN101283835B (en) Tobacco roasting process of intensive hothouse
CN102948500A (en) Processing technology of green tea
CN103392840B (en) Novel black tea production process
CN103461557A (en) Processing process for Yinhao green tea
CN102613324A (en) Processing technique for Guire No. 1 green tea
CN101940360B (en) Method for curing cigar wrapper tobaccos
CN102511917B (en) Tobacco flue-curing method for bulk curing barn
CN102302064B (en) Device and process for baking dark tea
CN104430993A (en) Processing method of Congou black tea
CN103421572B (en) A kind of machine-made charcoal
CN102125249B (en) Drying method of momordica grosvenori and momordica grosvenori obtained by using same
CN104304524A (en) Production process of oolong tea
CN203378549U (en) Novel efficient energy-saving tobacco leaf curing equipment
CN103815067B (en) A kind of processing technology of congou tea

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model