CN101254022A - Smoked sheet multiple roasting method and special-purpose equipment thereof - Google Patents
Smoked sheet multiple roasting method and special-purpose equipment thereof Download PDFInfo
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- CN101254022A CN101254022A CNA2008100495776A CN200810049577A CN101254022A CN 101254022 A CN101254022 A CN 101254022A CN A2008100495776 A CNA2008100495776 A CN A2008100495776A CN 200810049577 A CN200810049577 A CN 200810049577A CN 101254022 A CN101254022 A CN 101254022A
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Abstract
The invention relates to a smoked sheet re-drying method and a special device thereof, and is characterized in that the smoked sheet re-drying method comprises the steps as follows: smoked sheets to be re-dried pass through three series drying areas of an airflow drying cavity in an airflow-typed smoked sheet re-drying device in sequence under the control of a feeding machine; the fluidized smoked sheets are heated by utilizing the convection heating of the hot air; the three drying areas of the airflow drying cavity respectively realize the heating up, the rapid dehydration and the water balance of leaves, so as to lead the moisture content of the smoked sheets to directly reach the technological requirements of 11 percent to 13 percent without cooling and dampening. The device comprises the feeding machine, a belt scale (3) which is arranged at a discharge hole of the feeding machine, a belt conveyor (4) which is connected with the discharge hole of the belt scale, and the airflow-typed smoked sheet re-drying device which is connected with a discharge end of the belt conveyor; wherein, the airflow-typed smoked sheet re-drying device comprises a first drying area (5), a second drying area (6) and a third drying area (7) which are formed by three unattached drying apparatuses that are combined in series.
Description
Technical field
The present invention relates to the process technology that grows tobacco, relate to a kind of smoked sheet multiple roasting method and special equipment thereof specifically.
Background technology
To be tobacco leaf be converted to an arrangement and the preparatory process of industrial production raw material from agricultural product in tobacco redrying, is important link in the whole processing of tobacco.(" tobacco science and technology " 2005 5 phase 3 pages).Along with the development of tobacco redrying technology, beating and double roasting is the mode of generally taking at present, promptly realizes that at Redrying Factory the leaf stalk of tobacco leaf separates, and carries out redrying respectively, delivers to cigar mill again and uses.The beating and double roasting production procedure is through joining leaf, separate handle, leaves moisting, beating leaf and remove several important procedures such as stalk, smoked sheet multiple roasting, packing and binding.After tobacco leaf enters production line, at first with tobacco leaf evenly, neat and labour contractor's direction as one man is placed on the conveyer belt, through the rotor that is installed in the conveyer belt top separate after send into the leaves moisting operation; After the leaves moisting operation is carried out heating and moistening to tobacco leaf, send into dozen leaf and go to obstruct operation, the offal and the smoked sheet of tobacco leaf are separated the about 15%-18% of smoked sheet moisture after the separation; Then smoked sheet is sent into the smoked sheet multiple roasting operation, smoked sheet is carried out drying handle, make the smoked sheet moisture drying to 11%-13%, carry out packing and binding.
Wherein smoked sheet multiple roasting operation main task is carried out drying to tobacco leaf, makes its moisture satisfy process requirements.For the two kinds of methods that have of smoked sheet multiple roasting operation employing, a kind of is the guipure tunnel type Convective Heating that generally adopts at present; A kind of is heating using microwave.
Present widely used smoked sheet multiple roasting process using guipure tunnel type Convective Heating., be sent on the conveyer belt of subsequent processing successively after super-dry, cooling, three kinds of processing of moisture regain through the smoked sheet of beating the leaf operation by the smoked sheet of brush roll after with redrying.
After the supplied materials smoked sheet of moisture content 15%-18% send machine feeding foraminous conveyer by quantitative storage in this method, form the thickness bed of material relatively uniformly, promptly dewater to moisture content 8%-10% through dryer section, be cooled to 20-40 ℃ at cooling section, getting damp again in moisture regain section at last, discharging enters the smoked sheet packaging process to the 11%-13% moisture content.Wherein dryer section generally is divided into three above dry sections, and first district and last district's temperature are low slightly, are 80-100 ℃ (fingering wind-warm syndrome degree) that the mesozone temperature is high slightly, and general≤120 ℃, the dry-heat air of circulation is the air intake mode under He Er district, a district adopts.Be that hot blast upwards passes through the bed of material by the foraminous conveyer bottom, and three districts are opposite, make the air intake mode that goes up that adopts.This technology dry section temperature drift, fragrance matter easily loses, and is unfavorable for keeping the sucking quality of tobacco leaf.In addition owing to adopt the defeated material mode of guipure, smoked sheet is in static relatively state in the redrying process, be subjected to layer thickness when dry and air quantity is inhomogeneity influences, the diverse location dewatering speed is inconsistent, moisture content is inhomogeneous when causing smoked sheet dry, have to adopt over-drying method in order to address this problem, the smoked sheet moisture content is dried to the flex point (smoked sheet moisture content about 8%) of constant-rate drying period to decreasing drying rate period, tobacco leaf is under this moisture content condition, tobacco leaf intensity is low, makes broken serious during packing; Simultaneously, tobacco mellowing is also had a strong impact on, and has to be provided with processing links such as cooling, moisture regain, has strengthened the redrying process loss; And because smoked sheet passed through strong dehydration, cooling, three processes of humidification, cause the processing intensity of smoked sheet excessively, cause smoked sheet in the redrying process, to lose a large amount of flavor matters, and increased a large amount of energy resource consumptions.
Patent CN1659985 provides a kind of method of utilizing microwave technology to carry out tobacco threshing redrying, the smoked sheet multiple roasting of this method is to utilize microwave drying to finish: evenly be layered on blade on the guipure, utilize microwave that blade is carried out drying then and handle, make leaf water be dried to 11%-13%.This method helps to solve the residing position of moisture content difference, the tobacco leaf difference of dry preceding tobacco leaf, the uneven situation of dry back tobacco leaf moisture content that causes.But microwave drying is subjected to magnetron to make Power Limitation, is difficult to realize that big flow redrying is to satisfy industrial production requirement.In addition, the main components and parts-magnetron of microwave drying is limited service life, generally after using 1 to 2 year, needs below its power attenuation to 80% to change, and use cost is higher.The security of microwave work also is the problem that need treat cautiously.
Summary of the invention
Purpose of the present invention at the weak point of existing smoked sheet multiple roasting production technology, provides a kind of smoked sheet multiple roasting method and special equipment thereof just.
Smoked sheet multiple roasting method of the present invention comprises the steps: and will treat the control of the smoked sheet of redrying by feeding machine, pass through successively in three serially connected dry sections of airflow drying cavity of air-flowing type smoked sheet multiple roasting equipment, utilize the hot-air convection heating to heat to being in fluidised smoked sheet, three dry sections of airflow drying cavity are realized intensification, fast dewatering and the water balance to blade respectively, smoked sheet moisture is not needed through supercooling and moisture regain and directly reach the technological requirement of 11%-13%.
The wind speed of the dry section described in the present invention is 1.5m/s to 4m/s; The dry wind temperature of first dry section is 60 ℃ to 80 ℃, and the dry wind temperature of second dry section is 70 ℃ to 90 ℃, 50 ℃ to 70 ℃ of the dry wind temperature of the 3rd dry section.
The special equipment that is used for smoked sheet multiple roasting method among the present invention comprises feeding machine, is arranged on the belt-type electronic scale at feeding machine discharging opening place, the belt conveyor that links to each other with the electronic scale discharging opening and the air-flowing type smoked sheet multiple roasting equipment that links to each other with the belt conveyor discharge end, and described air-flowing type smoked sheet multiple roasting equipment comprises first dry section, second dry section, the 3rd dry section that is made of three independently drying equipments that combine with serial arrangement.
Below in the hothouse of the drying equipment of the every platform independent described in the present invention is provided with a temperature sensor, in the porch of hothouse material the material casting roller is installed, one blanking web plate is installed below the material inlet in hothouse, and a B/P EGR Back Pressure Transducer EGR is equipped with in the top in the hothouse; The expansion chamber below that is positioned at hothouse is equipped with a belt conveyor, in hothouse discharging opening above be provided with the commentaries on classics net; One end of backwind tube is connected with the commentaries on classics net port of export, and the other end links to each other with circulating fan, and backwind tube is provided with wind-supplying mouth; The humidity discharging ash discharging hole is arranged on the air outlet place of circulating fan; Described wind-supplying mouth, humidity discharging ash discharging hole place are provided with damper; The discharging opening of first dry section is arranged on the charging aperture place of second dry section, and the 3rd dry section discharging opening below is provided with conveying mechanism, and is provided with a Moisture Meter at this.
The characteristics of the method for the invention are that tobacco leaf is under the drive of heated drying air stream, advance along the airflow drying cavity, along with the cross section change of airflow drying cavity is big, the reduction of thermal air current speed, when air velocity is lower than the tobacco leaf floating velocity, tobacco leaf is deposited on the built-in belt conveyor of airflow drying cavity bottom, transfer out the airflow drying cavity by belt feeder, be thrown into the airflow drying cavity of second dry section through the material casting roller of first dry section inlet, so repeatedly, tobacco leaf is through the drying of three dry sections, and being dewatered to moisture is promptly to finish the tobacco redrying process behind the 11%-13%.First baking temperature in three dry sections of air-flowing type smoked sheet multiple roasting equipment is 60 ℃-80 ℃, is the heating zone of tobacco leaf, is used to promote the temperature of tobacco leaf, the fraction moisture of the dry tobacco leaf of meeting in this process; Second dry section is the main drying zone of tobacco leaf, and design temperature is 70 ℃-90 ℃, according to the moisture content of outlet of tobacco leaf, adjusts the drying tobacco ability in two districts automatically; The 3rd dry section is the water balance district, and baking temperature is 50 ℃-70 ℃, and moisture content in leaves obtains stable and balance in this district.But the temperature of three dry sections is manual adjustments both, can regulate automatically again, and regulating automatically is the quantity of steam of controlling heat exchanger by the signal that the temperature sensor that is installed in the hot blast import feeds back, forms the temperature that three districts are regulated in closed-loop control.
Method of the present invention is at handled different blades: as different brackets, the different humidity situation of blade, can and regulate the wind speed of each dry section and temperature waits and obtains satisfied moisture control accuracy by suitable selection.In the method for the invention, be in hothouse at dry heat wind action lower blade and be in suspended state vertically upward, fall into slowly on the belt conveyor in the expansion chamber with rear blade, and be admitted to next dry section, the dry run time is short, it is broken little to make.In addition, for the efficient that keeps dry, the dry back hot blast humidity discharging amount in each district is about 30%.Owing to reduced cooling section and moisture regain section with respect to the traditional redrying machine that generally uses in the dry run, so dry energy consumption cost reduces.
In addition, in dry run, material absorbs heat from hot-air after, the moisture content in leaves vaporization enters hot-air, and humidity increase, the temperature of hot-air are descended.In order to keep the relatively stable of hot-air humiture, the hot air system hot-air that a part of humidity is higher is discharged from the exhaust outlet on the backwind tube, replenishes a part of fresh air simultaneously.
Beneficial effect of the present invention is as follows:
Method of the present invention can reduce the processing link of smoked sheet multiple roasting compared to existing technology, it is broken to reduce tobacco leaf making in process, the primary drying of smoked sheet behind the realization air exercise leaf, whole process flow adopts the hot-air less than 100 ℃, can reduce the loss of fragrance matter, effectively the organoleptic quality of tobacco leaf after the maintenance redrying reduces energy resource consumption simultaneously.
Description of drawings
Fig. 1 process chart of the present invention.
Fig. 2 is for realizing special equipment structural representation of the present invention.
Fig. 3 is the front view of the drying equipment (dry section) of the platform independent shown in Fig. 2.
Fig. 4 is the vertical view of Fig. 3.
Sequence number among Fig. 2,3,4: 1, feeding machine, 2, store feeding machine, 3, electronic scale, 4, belt conveyor, 5, first dry section, 6, second dry section, the 7, the 3rd dry section, 8, circulating fan, 9, belt conveyor, 10, the material casting roller, 11, hothouse, 12, B/P EGR Back Pressure Transducer EGR, 13, collecting box, 14, wind-supplying mouth, 15, expansion chamber, 16, change net, 17, feeding plate, 18, dust discharge humidity discharging mouth, 19, heat exchanger, 20 backwind tubes.
The specific embodiment
The present invention is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, smoked sheet multiple roasting method of the present invention comprises the steps: and will treat control such as the scraper-type feeding machine feeding storage feeding machine of the smoked sheet of redrying by feeding machine, after storing the electronic scale metering that is provided with behind the feeding machine, send into air-flowing type smoked sheet multiple roasting equipment with constant flow through belt conveyor, pass through successively in three serially connected dry sections of airflow drying cavity of air-flowing type smoked sheet multiple roasting equipment, utilize the hot-air convection heating to heat to being in fluidised smoked sheet, three dry sections of airflow drying cavity are realized the intensification to blade respectively, fast dewatering and water balance do not need through supercooling and moisture regain smoked sheet moisture and directly reach the technological requirement of 11%-13%.The wind speed of described dry section is 1.5m/s to 4m/s; The dry wind temperature of first dry section is 60 ℃ to 80 ℃, and the dry wind temperature of second dry section is 70 ℃ to 90 ℃, 50 ℃ to 70 ℃ of the dry wind temperature of the 3rd dry section.
As Fig. 2, Fig. 3, shown in Figure 4, special equipment of the present invention comprises scraper-type feeding machine 1, the storage feeding machine 2 that links to each other with scraper-type feeding machine discharge end, is arranged on belt-type electronic scale 3, belt conveyor 4 that links to each other with the electronic scale discharging opening that stores feeding machine discharging opening place and the air-flowing type smoked sheet multiple roasting equipment that links to each other with the belt conveyor discharge end, and described air-flowing type smoked sheet multiple roasting equipment comprises first dry section 5, second dry section 6, the 3rd dry section 7 that is made of three independently drying equipments that combine with serial arrangement; Wherein in the hothouse 11 of the drying equipment of every platform independent below be provided with a temperature sensor, porch at hothouse 11 materials is equipped with material casting roller 10, one blanking web plate 17 is installed below the material inlet in hothouse 11, and a B/P EGR Back Pressure Transducer EGR 12 is equipped with in the top in the hothouse 11; The below that is positioned at the expansion chamber 15 of hothouse 11 is equipped with a belt conveyor 9, in hothouse 11 discharging opening above be provided with and change net 16; One end of backwind tube 20 is connected with commentaries on classics net 16 ports of export, and the other end links to each other with circulating fan 8, and backwind tube 20 is provided with wind-supplying mouth 14; Humidity discharging ash discharging hole 18 is arranged on the air outlet place of circulating fan; Described wind-supplying mouth 14, humidity discharging ash discharging hole 18 places are provided with damper; The discharging opening of first dry section 5 is arranged on the charging aperture place of second dry section 6, and the 3rd dry section 7 discharging openings below is provided with common moisture instrument and conveying mechanism 9.
Say that more specifically the main process of air-flowing type smoked sheet multiple roasting equipment drying of the present invention is: the smoked sheet after the economy-combat leaf goes to obstruct by scraper plate feeding machine 1 through storing the metering units that feeding machine 2, gauge line and electronic scale are formed---belt-type electronic scale 3 is quantitatively sent into material casting roller 10 through belt conveyors 4 smoked sheet is thrown in the hothouse 11 with certain initial velocity; The upwards operation of blanking web plate 17 of 11 belows, dry-heat air drying chamber, smoked sheet is upwards floating under the effect of wind-force, each smoked sheet carries out sufficient heat exchange with dry-heat air again simultaneously,, owing to dropping on the web plate 17 of hothouse bottom, the effect of its gravity greater than wind-force and enter in the collecting box 13 at the big foreign material of the indivedual density of this process.The present invention has realized that by the expansion chamber 15 that is provided with the dried smoked sheet of vanes hothouse falls on the conveyer belt 9 in the expansion chamber, makes heat exchanging process more abundant, can improve the uniformity of drying efficiency and smoked sheet drying.Realized the dried forms of " moving is quiet ".In order accurately to adjust wind speed and the wind-warm syndrome in each hothouse of the present invention, be provided with B/P EGR Back Pressure Transducer EGR 12 and temperature sensor 11 in the above and below of hothouse, B/P EGR Back Pressure Transducer EGR 12 can monitor the negative pressure variation situation in the hothouse at any time, in normal negative pressure variation scope, smoked sheet can be owing to wind-force is not enough the situation of whereabouts putty.When exceeding the value of setting, adjust the damper make and break size of wind-supplying mouth 14 or dust discharge humidity discharging mouth 18 automatically by the instruction of automatic control system.When the temperature of hot blast changes, regulate the steam supply of heat exchanger in real time by automatic control system.For energy-conservation, hot blast is recycling once more after changeing net filtration after the drying of the present invention, for the efficient that keeps dry, will discharge about 30% in the circulating air, and in time replenish ozone.The present invention's return air duct is provided with wind-supplying mouth 14, also is provided with a dust discharge humidity discharging mouth in the exit of blower fan.By regulating damper separately, can effectively control the degree of purity and the drying efficiency of dry-heat air.
Each dry section described in the present invention is that the drying equipment by a relatively independent platform independent constitutes, and for fear of interference, the material casting utensil has dual-use function, promptly when guaranteeing sealing material is thrown in the hothouse lightly, and its rotating speed adopts variable-frequency control technique.
Claims (4)
1, a kind of smoked sheet multiple roasting method, it is characterized in that: this method comprises the steps: and will treat the control of the smoked sheet of redrying by feeding machine, pass through successively in three serially connected dry sections of airflow drying cavity of air-flowing type smoked sheet multiple roasting equipment, utilize the hot-air convection heating to heat to being in fluidised smoked sheet, three dry sections of airflow drying cavity are realized intensification, fast dewatering and the water balance to blade respectively, smoked sheet moisture is not needed through supercooling and moisture regain and directly reach the technological requirement of 11%-13%.
2, smoked sheet multiple roasting method according to claim 1 is characterized in that: the wind speed of described dry section is 1.5m/s to 4m/s; The dry wind temperature of first dry section is 60 ℃ to 80 ℃, and the dry wind temperature of second dry section is 70 ℃ to 90 ℃, 50 ℃ to 70 ℃ of the dry wind temperature of the 3rd dry section.
3, a kind of special equipment that is used for the described smoked sheet multiple roasting method of claim 1, this equipment comprises feeding machine, is arranged on the belt-type electronic scale (3) at feeding machine discharging opening place, the belt conveyor (4) that links to each other with the electronic scale discharging opening and the air-flowing type smoked sheet multiple roasting equipment that links to each other with the belt conveyor discharge end, and it is characterized in that: described air-flowing type smoked sheet multiple roasting equipment comprises first dry section (5), second dry section (6), the 3rd dry section (7) that is made of three independently drying equipments that combine with serial arrangement.
4, special equipment according to claim 3, it is characterized in that: the below in the hothouse of the drying equipment of described every platform independent (11) is provided with a temperature sensor, porch at hothouse (11) material is equipped with material casting roller (10), the material inlet below is equipped with a blanking web plate (17) in hothouse (11), and a B/P EGR Back Pressure Transducer EGR (12) is equipped with in the top in the hothouse (11); The below that is positioned at the expansion chamber (15) of hothouse (11) is equipped with a belt conveyor (9), and the top of discharging opening is provided with in hothouse (11) changes net (16); One end of backwind tube (20) is connected with commentaries on classics net (16) port of export, and the other end links to each other with circulating fan (8), and backwind tube (20) is provided with wind-supplying mouth (14); Humidity discharging ash discharging hole (18) is arranged on the air outlet place of circulating fan; Described wind-supplying mouth (14), humidity discharging ash discharging hole (18) locate to be provided with damper; The discharging opening of first dry section (5) is arranged on the charging aperture place of second dry section (6), and the 3rd dry section (7) discharging opening below is provided with Moisture Meter and conveying mechanism (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100495776A CN101254022B (en) | 2008-04-21 | 2008-04-21 | Smoked sheet multiple roasting method and special-purpose equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100495776A CN101254022B (en) | 2008-04-21 | 2008-04-21 | Smoked sheet multiple roasting method and special-purpose equipment thereof |
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| CN101254022A true CN101254022A (en) | 2008-09-03 |
| CN101254022B CN101254022B (en) | 2010-06-02 |
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| CN2008100495776A Active CN101254022B (en) | 2008-04-21 | 2008-04-21 | Smoked sheet multiple roasting method and special-purpose equipment thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599625A (en) * | 2012-03-30 | 2012-07-25 | 中国烟草总公司郑州烟草研究院 | Method and device for direct drying and redrying of tobacco strips |
| CN103315375A (en) * | 2013-06-05 | 2013-09-25 | 红云红河烟草(集团)有限责任公司 | Re-drying method for improving quality of re-dried tobacco laminas |
| CN103876277A (en) * | 2014-04-11 | 2014-06-25 | 龙岩烟草工业有限责任公司 | Device and method for controlling material flow |
| CN104238478A (en) * | 2013-06-20 | 2014-12-24 | 四川烟叶复烤有限责任公司宜宾复烤厂 | Tobacco redrying production line hot machine material-lack energy saving method |
| CN104340633A (en) * | 2014-10-11 | 2015-02-11 | 中国烟草总公司郑州烟草研究院 | Double-layer mesh belt type direct redrying equipment and redrying method thereof |
| CN108095180A (en) * | 2016-11-25 | 2018-06-01 | 北京航天试验技术研究所 | It is a kind of to improve process and the device that piece tobacco quality is guaranteed the quality with storage |
| CN111248482A (en) * | 2020-04-01 | 2020-06-09 | 贵州中烟工业有限责任公司 | Mesh belt direct drying and redrying process for five drying areas |
| CN111820448A (en) * | 2020-06-11 | 2020-10-27 | 内蒙古昆明卷烟有限责任公司 | Tobacco biological enzyme inactivation device and method |
| CN112450479A (en) * | 2020-10-10 | 2021-03-09 | 云南烟叶复烤有限责任公司麒麟复烤厂 | Experimental method and device for directly drying and redrying tobacco flakes |
| CN112841700A (en) * | 2021-03-09 | 2021-05-28 | 云南中烟工业有限责任公司 | Tobacco sheet aroma-keeping energy-saving redrying system and using method |
| CN112998300A (en) * | 2021-01-30 | 2021-06-22 | 上海蓬帆贸易服务中心 | Efficient tobacco drying equipment |
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| DE2335970C2 (en) * | 1973-07-14 | 1982-02-18 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Method and device for drying tobacco |
| DE2724037A1 (en) * | 1977-05-27 | 1978-12-07 | Hauni Werke Koerber & Co Kg | DEVICE FOR DRYING A CONTINUOUSLY SUPPORTED TOBACCO STREAM |
| GB2083600B (en) * | 1980-02-28 | 1984-01-18 | Hauni Werke Koerber & Co Kg | Method and apparatus for drying tobacco |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599625A (en) * | 2012-03-30 | 2012-07-25 | 中国烟草总公司郑州烟草研究院 | Method and device for direct drying and redrying of tobacco strips |
| CN102599625B (en) * | 2012-03-30 | 2014-04-09 | 中国烟草总公司郑州烟草研究院 | Method and device for direct drying and redrying of tobacco strips |
| CN103315375A (en) * | 2013-06-05 | 2013-09-25 | 红云红河烟草(集团)有限责任公司 | Re-drying method for improving quality of re-dried tobacco laminas |
| CN103315375B (en) * | 2013-06-05 | 2015-04-08 | 红云红河烟草(集团)有限责任公司 | Re-drying method for improving quality of re-dried tobacco laminas |
| CN104238478A (en) * | 2013-06-20 | 2014-12-24 | 四川烟叶复烤有限责任公司宜宾复烤厂 | Tobacco redrying production line hot machine material-lack energy saving method |
| CN103876277A (en) * | 2014-04-11 | 2014-06-25 | 龙岩烟草工业有限责任公司 | Device and method for controlling material flow |
| CN103876277B (en) * | 2014-04-11 | 2015-10-14 | 龙岩烟草工业有限责任公司 | A kind of control device of mass flow and method |
| CN104340633A (en) * | 2014-10-11 | 2015-02-11 | 中国烟草总公司郑州烟草研究院 | Double-layer mesh belt type direct redrying equipment and redrying method thereof |
| CN108095180A (en) * | 2016-11-25 | 2018-06-01 | 北京航天试验技术研究所 | It is a kind of to improve process and the device that piece tobacco quality is guaranteed the quality with storage |
| CN111248482A (en) * | 2020-04-01 | 2020-06-09 | 贵州中烟工业有限责任公司 | Mesh belt direct drying and redrying process for five drying areas |
| CN111248482B (en) * | 2020-04-01 | 2021-10-15 | 贵州中烟工业有限责任公司 | Mesh belt direct drying and redrying process for five drying areas |
| CN111820448A (en) * | 2020-06-11 | 2020-10-27 | 内蒙古昆明卷烟有限责任公司 | Tobacco biological enzyme inactivation device and method |
| CN112450479A (en) * | 2020-10-10 | 2021-03-09 | 云南烟叶复烤有限责任公司麒麟复烤厂 | Experimental method and device for directly drying and redrying tobacco flakes |
| CN112450479B (en) * | 2020-10-10 | 2022-07-22 | 云南烟叶复烤有限责任公司麒麟复烤厂 | Equipment and method for directly drying and redrying tobacco flakes |
| CN112998300A (en) * | 2021-01-30 | 2021-06-22 | 上海蓬帆贸易服务中心 | Efficient tobacco drying equipment |
| CN112841700A (en) * | 2021-03-09 | 2021-05-28 | 云南中烟工业有限责任公司 | Tobacco sheet aroma-keeping energy-saving redrying system and using method |
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| CN101254022B (en) | 2010-06-02 |
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