CN102247004B - Leaf wetting method for improving quality of redried tobacco sheets - Google Patents
Leaf wetting method for improving quality of redried tobacco sheets Download PDFInfo
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- CN102247004B CN102247004B CN 201110199350 CN201110199350A CN102247004B CN 102247004 B CN102247004 B CN 102247004B CN 201110199350 CN201110199350 CN 201110199350 CN 201110199350 A CN201110199350 A CN 201110199350A CN 102247004 B CN102247004 B CN 102247004B
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Abstract
The invention discloses a leaf wetting method for improving quality of redried tobacco sheets. The method comprises the following steps of: setting a vapor pressure value at 0.8-1 MPa, wherein circulating hot air reaches 80 DEG C; wetting leaves for the first time so as to ensure that the temperature of upper tobacco leaves reach 55-65 DEG C while the water content of the upper tobacco leaves reach 18-21%, the temperature of middle tobacco leaves reach 50-56 DEG C while the water content of the middle tobacco leaves reach 18-22%, and the temperature of lower tobacco leavers reach 50-58 DEG C while the water content of the lower tobacco leaves reach 18-20%; carrying out secondary wetting according to technological parameter requirements specified in YC/T146-2001; and adjusting water content and temperature for the secondary wetting. Compared with a traditional process, the leaf wetting method for improving the quality of the redried tobacco sheets, disclosed by the invention, has the advantages of increasing the rate of big and middle sheets in a finished product tobacco sheets by 1.23-1.83%, reducing the loss of the big and middle sheets before and after redrying by 1.08-2.44%, reducing the stalk proportion by 0.19-0.40% and obviously reducing water spots and flush tobaccos; the tobacco leaves have the advantages of bright and uniform color, increased oil content, rich elasticity and looser organization structure; and the tobacco sheets are obviously improved in the aspect of sensory quality index.
Description
Technical field
The invention belongs to cigarette beating and double roasting technical field, be specifically related to a kind of leaves moisting method that can effectively improve redrying piece cigarette quality.
Background technology
Leaves moisting is the important foundation link in the beating and double roasting process, directly has influence on the quality and the availability of redrying finished product sheet cigarette.At present the leaves moisting in the beating and double roasting mainly is to take steam and add the mode that water mixes, according to " tobacco threshing and redrying technological specification " (YC/T146-2001) technological parameter carry out.This traditional leaves moisting technology causes the inner moisture of tobacco leaf outwards to move because atomized water forms the smaller globule at tobacco leaf surface easily, and the tobacco leaf surface moisture distribution is inhomogeneous; Local moisture is excessive; Cause water stain cigarette ratio to increase, big-and-middle rate is not high, and has some defectives at aspects such as color and luster, glossy, perfume quantity, pleasant impression, assorted gas, excitants; The industrial applicability of finished product sheet cigarette reduces, and quality that former cigarette is potential and using value can not embody fully.Therefore, the leaves moisting mode in the existing beating and double roasting being improved ten minutes is necessary.
Summary of the invention
The objective of the invention is to deficiency, a kind of leaves moisting method that improves redrying piece cigarette quality is provided to prior art.Adopt the leaves moisting of pressure decatizing vapour; Effectively ensure that the moisture content in leaves after the leaves moisting evenly distributes, further increase the pliability of tobacco leaf, make tobacco leaf looser with unfold; Satisfy the technological requirement of beating leaf, beat leaf quality, finished product sheet cigarette quality and industrial applicability thereby further improve.
The object of the invention is achieved through following technical scheme.
Except as otherwise noted, the percentage that the present invention adopted is percetage by weight.
Technical scheme of the present invention is based on following understanding: the leaves moisting in the beating and double roasting is carried out with mode of heating often; The tobacco leaf external temperature is higher than inside; Thereby impelled the transmission of heat ecto-entad, caused forming moisture and moved zone (being the saturated vapor layer) slowly on the tobacco leaf top layer.If adopt the leaves moisting of pressure decatizing vapour this moment, can quicken saturated vapor layer moisture to the tobacco leaf diffusion inside, thereby ensure that effectively moisture evenly distributes in the tobacco leaf, the phenomenon of local moisture accumulation can not appear.
A kind of leaves moisting method that improves redrying piece cigarette quality may further comprise the steps:
(1) setting the steam pressure value is 0.8～1MPa;
(2) open heat exchanger before feeding intake, preheating leaves moisting tube makes circulating air reach 80 ℃～120 ℃; In warm, forbid in the leaves moisting tube, adding steam, prevent that condensation from taking place, and reduces the appearance of water stain cigarette;
(3) heat, moist steam valve are regulated in the back (promptly a profit) that feeds intake, progressively increase by one moisten tobacco leaf temperature and moisture content, make it reach following requirement respectively: upper tobacco leaf: temperature is 55 ℃～65 ℃, and moisture is 18%～21%; The middle part tobacco leaf: 50 ℃～56 ℃, moisture is 18%～20%; Lower tobacco leaf: 50 ℃～58 ℃, moisture is 18%～20%;
In (4) two whens profit, by regulation technological parameter requirement among the YC/T146-2001, before opening/steam valve of back, adjustment two profit moisture and temperature make circulating air be controlled at 80～100 ℃ of scopes, are beneficial to moisture and ooze in further even.
With respect to prior art, the present invention possesses following advantage: beating under the constant situation of leaf and redrying technology, compare with traditional leaves moisting technology; Adopt big-and-middle rate of finished product sheet cigarette of technology leaves moisting redrying of the present invention to improve 1.23～1.83%, big-and-middle loss reduced by 1.08～2.44% before and after the redrying, contains the stalk rate and reduced by 0.19～0.40%; Water stain and flush cigarette obviously reduces; The tobacco leaf color and luster is vivid and even, and oil content increases and high resilience, and institutional framework is more loose; Have clear improvement at aspects such as organoleptic quality index perfume quantity, sophistication, assorted gas, stimulation, pleasant impression, the sweet and senses of promoting the production of body fluid.Technology of the present invention is easy, with low cost, have application prospect well.
The specific embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but embodiment is not the qualification to technical scheme of the present invention.Any technical staff who is familiar with the present technique field is equal to replacement or change according to scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed in protection scope of the present invention.
Embodiment 1
Adopt traditional handicraft leaves moisting and the leaves moisting of pressure decatizing vapour to carry out leaves moisting respectively to the Baoshan, Yunnan in 2009 K326B3F tobacco leaf, specific as follows:
Traditional handicraft leaves moisting:, adopt carbonated drink mixing to carry out leaves moisting according to the medium tobacco leaf working process parameter of stipulating among the YC/T146-2001.
The leaves moisting of pressure decatizing vapour: setting the steam pressure value is 0.8～1MPa; Open heat exchanger before feeding intake, preheating leaves moisting tube reaches more than 90 ℃ circulating air, in warm, forbids in the leaves moisting tube, adding steam, prevents that condensation from taking place, and reduces the appearance of water stain cigarette.One profit: K326B3F tobacco leaf 20 * 10 feeds intake
3Kg sets tobacco leaf supplied materials flow 11 * 10
3Kg opens heat, moist steam valve, makes steam pressure reach 0.95～1MPa, increases the temperature and the moisture content of a profit tobacco leaf, makes its temperature reach 56～62 ℃, and moisture reaches 18.5%～19.5%; Two profits: by regulation technological parameter requirement among the YC/T146-2001, before opening/steam valve of back, regulate two profit temperature to 56～62 ℃, moisture to 19%～20% makes circulating air be controlled at 80～100 ℃ of scopes, is beneficial to moisture and oozes in further even.Accomplish leaves moisting behind the 12min.
Play leaf and redrying by same process after the leaves moisting, redrying piece tobacco leaf chip architecture is estimated, color and luster, oil content, institutional framework and the blade stretching of sheet cigarette are estimated according to GB2635-92 according to YC/T 146-2001; According to YC/T138-1998 sheet cigarette aesthetic quality is evaluated, the result shows: compare with traditional leaves moisting, among the Baoshan K326B3F in 2009 behind the pressure decatizing vapour leaves moisting beating and double roasting; Water stain cigarette obviously reduces, and big-and-middle rate improved 1.83%, and big-and-middle loss late reduced by 2.11% before and after the redrying; Broken cigarette rate has reduced by 2.03%; Contain the stalk rate and reduced by 0.4%, the color and luster of finished product sheet cigarette is comparatively vivid and even, is rich in oil content and flexible; Institutional framework is comparatively loose, and the blade stretching is better; Show as the aesthetic quality: flue gas is comparatively fine and soft, and fragrance matter is better, and assorted gas is lighter, and pleasant impression is cleaner and sweet sense is more obvious, stimulates less (result sees table 1～3).
Table 1 Baoshan K326B3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece tobacco leaf chip architecture are relatively
Remarks: loss late is big-and-middle loss late before and after the redrying
Table 2 Baoshan K326B3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece cigarette presentation quality are relatively
Table 3 Baoshan K326B3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece cigarette aesthetic quality are relatively
Embodiment 2
High post richness in 2009 is sought red big C3F tobacco leaf adopt traditional leaves moisting technology and pressure decatizing vapour to carry out leaves moisting respectively, specific as follows:
Traditional handicraft leaves moisting:, adopt carbonated drink mixing to carry out leaves moisting according to the first-class tobacco leaf working process parameter of stipulating among the YC/T146-2001.
The leaves moisting of pressure decatizing vapour: open heat, moist steam valve, make steam pressure reach 0.85～95MPa, increase the temperature and the moisture content of a profit tobacco leaf, make its temperature reach 52～56 ℃, moisture reaches 18%～20%; Two profits:, before opening/steam valve of back, regulate two and moisten temperature to 52～56 ℃, moisture to 18%～19% by regulation technological parameter requirement among the YC/T146-2001.Make circulating air be controlled at 80～100 ℃ of scopes, be beneficial to moisture and ooze in further evenly.Accomplish leaves moisting behind the 11min.
Sheet cigarette quality to high post richness in 2009 is sought after the red big C3F redrying is estimated, and the result shows: compare with traditional leaves moisting, in the pressure decatizing vapour leaves moisting finished product sheet cigarette; Water stain cigarette obviously reduces, and big-and-middle rate improved 1.51%, and big-and-middle loss late reduced by 2.44% before and after the redrying; Broken cigarette rate has reduced by 1.91%, contains the stalk rate and has reduced by 0.31%, and color and luster is vivid and even; Be rich in oil content and flexible, institutional framework is loose, and the blade stretching is good; Show as the aesthetic quality: flue gas is fine and soft, and aroma quality is sufficient, and assorted gas is light, and pleasant impression is totally comfortable and sweet sense is obvious, stimulates little (result sees table 4～6).
Table 4 high post richness in 2009 is sought red big C3F tradition leaves moisting and the comparison of pressure decatizing vapour leaves moisting redrying piece tobacco leaf chip architecture
Remarks: loss late is big-and-middle loss late before and after the redrying
Table 5 high post richness in 2009 is sought red big C3F tradition leaves moisting and the comparison of pressure decatizing vapour leaves moisting redrying piece cigarette presentation quality
Table 6 high post richness in 2009 is sought red big C3F tradition leaves moisting and pressure decatizing vapour leaves moisting redrying piece cigarette aesthetic quality comparison
Embodiment 3
Repeat embodiment 1; Adopt traditional leaves moisting technology and pressure decatizing vapour to carry out leaves moisting respectively to Baoshan K326X3F tobacco leaf in 2009; Wherein the leaves moisting of pressure decatizing vapour has following difference: open heat, moist steam valve, make steam pressure reach 0.95～1MPa, increase the temperature and the moisture content of tobacco leaf; Make the temperature of a profit tobacco leaf reach 52～56 ℃, moisture reaches 18.5%～19.5%; Two profits:, before opening/steam valve of back, regulate two and moisten temperature to 56～62 ℃, moisture to 19%～20% by regulation technological parameter requirement among the YC/T146-2001.
To tablet quality evaluation after the redrying, the result shows: compare with traditional leaves moisting, in the Baoshan K326X3F finished product sheet cigarettes in 2009 behind the pressure decatizing vapour leaves moisting beating and double roasting; Water stain cigarette obviously reduces, and big-and-middle rate improved 1.23%, and big-and-middle loss late reduced by 1.08% before and after the redrying; Broken cigarette rate has reduced by 1.69%, contains the stalk rate and has reduced by 0.19%, and color and luster is vivid and even; Be rich in oil content and flexible, institutional framework is loose, and the blade stretching is good; Show as the aesthetic quality: flue gas is fine and soft, and aroma quality is sufficient, and assorted gas is light, and pleasant impression is totally comfortable and sweet sense is obvious, stimulates little (result sees table 7～9).
Table 7 Baoshan K326X3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece tobacco leaf chip architecture are relatively
Remarks: loss late is big-and-middle loss late before and after the redrying
Table 8 Baoshan K326X3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece cigarette presentation quality are relatively
Table 9 Baoshan K326X3F tradition leaves moisting in 2009 and pressure decatizing vapour leaves moisting redrying piece cigarette aesthetic quality are relatively
Claims (1)
1. leaves moisting method that improves redrying piece cigarette quality may further comprise the steps:
(1) setting the steam pressure value is 0.8～1MPa;
(2) open heat exchanger before feeding intake, preheating leaves moisting tube makes circulating air reach 80 ℃～120 ℃; In warm, forbid in the leaves moisting tube, adding steam, prevent that condensation from taking place, and reduces the appearance of water stain cigarette;
(3) feed intake after, regulate heat, moist steam valve, progressively increase the temperature and the moisture content of a profit tobacco leaf, make it reach following requirement respectively: upper tobacco leaf: temperature is 55 ℃～65 ℃, and moisture is 18%～21%; The middle part tobacco leaf: 50 ℃～56 ℃, moisture is 18%～20%; Lower tobacco leaf: 50 ℃～58 ℃, moisture is 18%～20%;
In (4) two whens profit, by regulation technological parameter requirement among the YC/T146-2001, before opening/steam valve of back, adjustment two profit moisture and temperature make circulating air be controlled at 80～100 ℃ of scopes, are beneficial to moisture and ooze in further even.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103263071A (en) * | 2013-05-24 | 2013-08-28 | 红云红河烟草(集团)有限责任公司 | Method for machining tobacco leaves capable of selectively reducing crotonaldehyde emission content in cigarette smoke |
| CN103271427A (en) * | 2013-05-24 | 2013-09-04 | 红云红河烟草(集团)有限责任公司 | Tobacco leaf processing method for selectively reducing cigarette smoke gas NH3 releasing quantity |
| CN103767059B (en) * | 2013-12-20 | 2015-10-14 | 川渝中烟工业有限责任公司 | Reduce the beating and double roasting method of CO burst size |
| CN104323414B (en) * | 2014-11-07 | 2015-12-30 | 中国烟草总公司郑州烟草研究院 | A kind of method improving beating and double roasting raw tobacco material water uniformity |
| CN104432457A (en) * | 2014-12-03 | 2015-03-25 | 四川烟叶复烤有限责任公司泸州复烤厂 | Improved continuous threshing and redrying processing craft of tobacco leaves |
| CN108851165A (en) * | 2018-07-30 | 2018-11-23 | 重庆烟叶复烤有限公司万州复烤厂 | A kind of tobacco constant temperature leaves moisting method |
| CN110973682B (en) * | 2019-12-10 | 2021-09-14 | 红塔烟草(集团)有限责任公司 | Method for calculating flow matching performance between threshing and redrying processes |
| CN112772960B (en) * | 2021-02-05 | 2022-08-19 | 河南中烟工业有限责任公司 | Leaf moistening method for keeping neutral aroma substances of flue-cured tobacco |
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| RU2356466C1 (en) * | 2008-05-26 | 2009-05-27 | Олег Иванович Квасенков | Method for producing reconstituted tobacco |
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| CN1659985A (en) * | 2004-12-30 | 2005-08-31 | 将军烟草集团有限公司 | Method for threshing ad redrying tobacco by using microwave technology |
| EP1726224A1 (en) * | 2005-05-26 | 2006-11-29 | Iberpapel, S. L. | Method for gumming reconstituted tobacco sheets |
| CN101049181A (en) * | 2007-05-14 | 2007-10-10 | 云南烟草科学研究院 | Method for sorting processes by tobacco leaf module in technique for preparing shreds |
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