CN102028304B - Two-stage silk dryer combined with insulation cylinder and steam sheet cylinder - Google Patents
Two-stage silk dryer combined with insulation cylinder and steam sheet cylinder Download PDFInfo
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- CN102028304B CN102028304B CN 200910272275 CN200910272275A CN102028304B CN 102028304 B CN102028304 B CN 102028304B CN 200910272275 CN200910272275 CN 200910272275 CN 200910272275 A CN200910272275 A CN 200910272275A CN 102028304 B CN102028304 B CN 102028304B
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Abstract
The invention discloses a two-stage tobacco shred baking machine with the combination of a heat-preservation cylinder and a steam sheet cylinder, belonging to the technical field of tobacco shred baking machines in the cigarette industry. The two-stage tobacco shred baking machine is formed by connecting a front tobacco shred baking cylinder and a rear tobacco shred baking cylinder in series in an embedding mode, wherein the front tobacco shred baking cylinder and the rear tobacco shred baking cylinder are mutually independent, the front tobacco shred baking cylinder is a heat-preservation type tobacco shred baking cylinder with a heating pipeline or a heat-preservation type tobacco shred baking cylinder without the heating pipeline, and the rear tobacco shred baking cylinder is a steam sheet type tobacco shred baking cylinder; the front tobacco shred baking cylinder and the rear tobacco shred baking cylinder are fixed on the same rack, the axle wires of the front tobacco shred bakingcylinder and the rear tobacco shred baking cylinder are superposed; and the connection part between the front tobacco shred baking cylinder and the rear tobacco shred baking cylinder is provided witha wind shield and material guiding device. The two-stage tobacco shred baking machine has the advantages of reasonable design, simple structure, easiness in implementation and convenience in operation, and the temperature, the rotation speed, the retention time and the like of the front and the rear tobacco shred baking cylinders can be respectively controlled so that the moisture content of tobacco shreds can be ensured to meet requirements and the quality of the tobacco shreds can be furthest guaranteed, therefore, the two-stage tobacco shred baking machine has great popularization and application values in the cigarette industry.
Description
Technical field
The invention belongs to the baking silk equipment technical field of cigarette industry, be specifically related to a kind ofly be connected by two baking silk cylinder tandems, and not only can regulate separately but also two-stage type baking silk equipment that linkage is regulated.
Background technology
In prior art, the cut-tobacco drier of cigarette industry is all the single-stage cut-tobacco drier, as Rotary drier, channel type cut tobacco drying machine etc.Although these single-stage cut-tobacco driers can satisfy the needs of production in enormous quantities, the working environment of pipe tobacco in cylinder is consistent, is in all the time the condition of high temperature 130 ℃ of left and right.And well-known, under this condition of high temperature, the fragrance of pipe tobacco is unfavorable for keeping, and having a large amount of fragrance at high temperature overflows, and is unfavorable for the interior quality of pipe tobacco, and flavor is inhaled in impact to a certain extent.And the baking silk technical process of prior art cut-tobacco drier can not be regulated at random, can not be applicable to changeable material and the state of material, therefore can not obtain high-quality baking silk product.
Summary of the invention
Above-mentioned deficiency for prior art, the technical problem to be solved in the present invention is to provide the two-stage type cut-tobacco drier that a kind of heat-preservation cylinder and steam thin-sheet barrel share, first under the low temperature environment of heat-preservation cylinder, pipe tobacco is carried out drying, take off part moisture, under the hot environment of steam thin-sheet barrel, pipe tobacco is carried out drying again, finally reach dehydration, and can keep aroma of tobacco shreds on higher degree.
The axis of cylinder overlaps; The junction of described front baking silk cylinder and rear baking silk cylinder also is provided with every the wind material guide device.
It is exactly within the rear end of front baking silk cylinder is embedded into the front end of rear baking silk cylinder that described embedded series connection connects, and leaves the gap of separate rotation.
Described separate front baking silk cylinder and rear baking silk cylinder refers to that it is provided with independently separately and can realize infinite variable speed transmission system.
Described separate front baking silk cylinder and rear baking silk cylinder refer to that it is provided with independently heat circulating system and described humidity discharging system separately.
In the inner ring and the interlayer between the outer ring of described heat preserving type baking silk cylinder with warming pipeline, be provided with the warming pipeline that can lead to circulating air or hot water, be provided with the outer ring stationary magazine creel outside the outer ring, be provided with heat-insulation layer outside the stationary magazine creel of outer ring, on inner ring with flight.
Outer ring and inner ring that described heat preserving type without warming pipeline dries by the fire the silk cylinder are all the thin plate circles, are provided with the interlayer of directly logical warming circulating water between outer ring and inner ring, are provided with flight on inner ring.
Describedly be arranged on front baking silk tube rear end every the wind material guide device, formed by three half elliptics or Semicircular baffle, wherein, the arc-shaped side of every baffle plate becomes 90～miter angle to be fixedly connected with front baking silk tube rear end inwall rib, three baffle plates are equally distributed on same cross section in front baking silk cylinder, and three baffle plates are to be on different planes.
The bracket base at described front baking silk cylinder and rear baking silk cylinder two ends is Height Adjustable lowering or hoisting gear.
The outer fixed cover that does not rotate is set outside described front baking silk cylinder and rear baking silk cylinder, is provided with the insulation steam pipe coil between front baking silk cylinder and rear baking silk cylinder and outer fixed cover.
The present invention is reasonable in design, and is simple in structure, implements easily, easy to operate, can control respectively the temperature of former and later two baking silk cylinders, rotating speed, and retention times etc. both can guarantee that the moisture of pipe tobacco reaches requirement, can guarantee to greatest extent again to dry by the fire the quality of silk.
Description of drawings
Accompanying drawing 2 is heat source system schematic diagrams of the present invention;
Accompanying drawing 3 is tube structure schematic diagrames of one embodiment of the invention;
Accompanying drawing 4 is tube structure schematic diagrames of another embodiment of the present invention;
Accompanying drawing 9 is axial perspective view every wind material guide device one embodiment of the present invention;
Accompanying drawing 10 is side-looking structural representations of accompanying drawing 9;
Accompanying drawing 11 is that the A of a baffle plate of accompanying drawing 10 is to structural representation;
Accompanying drawing 12 is the simple structural representations of critical piece of the present invention;
Accompanying drawing 13 is dotted line frame part one embodiment structure for amplifying schematic diagrames in accompanying drawing 12;
Accompanying drawing 14 is another embodiment structure for amplifying schematic diagrames of dotted line frame part in accompanying drawing 12.
Accompanying drawing acceptance of the bid score state as follows: the 1-charging aperture; 2-placket pipeline; The outer fixed cover of 3-; 4-placket thermal source; The 5-frame; 6-placket humidity discharging system; Cylinder humidity discharging system after 7-; Cylinder thermal source after 8-; Bobbin road after 9-; The 10-discharging opening; The 11-swivel joint; 12-placket rotating mechanism; The 13-placket; Cylinder rotating mechanism after 14-; Cylinder after 15-; 16-frame support roller system; 17-outer ring stationary magazine creel; The 18-warming pipeline; The 19-flight; The 20-bonding pad; 21-outer ring holding screw; The 22-heat-insulation layer; The 23-inner ring; 24-warming circulating water; 25-catch A; 26-catch C; 27-catch B; 28-thin plate circle; The 29-jet chimney; 30-thin plate circle; The 31-support screw; 32-adjusted nut; Adjusting nut under 33-; The 34-firm banking; 35-steam-operating or hydraulically operated equipment, the 36-lowering or hoisting gear.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention and Relational Questions are described in further detail.At first simply introduce Relational Questions, structure and the prior art of cut-tobacco drier of the present invention are very different, but also there are many places to continue to use prior art, cut-tobacco drier front end as prior art has cup, and there is rear chamber the rear end, and this is the same in the present invention, for simple and direct display structure, these contents have been omitted, and following diagram is described also this problem, illustrates in the lump at this.In fact, the content of these prior aries is apparent to those of ordinary skill in the art, and everybody understands, so do not do too much description.The course of work of brief description cut-tobacco drier of the present invention.In cut-tobacco drier of the present invention, baking silk cylinder also becomes certain inclination angle with horizontal plane, and front baking silk cylinder direction is higher, and rear baking silk cylinder direction is lower.Pipe tobacco feeds the guide cylinder with the charging aperture of jigging conveyer the past drying cylinder.In order to promote the initial movable of pipe tobacco in the guide cylinder, the stock guide in the guide cylinder is spiral.Pipe tobacco enters drying cylinder, along with the rotation of drying cylinder, and just dry completely send from rear chamber when pipe tobacco is subjected to action of gravitation to run to a lower end by a higher end.Be contained in the heat exchanger plate on the drying cylinder inwall, to the pipe tobacco heating, play again on the one hand the effect of flight on the one hand, lean on the pipe tobacco deadweight to fall after pipe tobacco is taken up, make the contact surface of pipe tobacco and air-flow increase to improve rate of drying, and can impel pipe tobacco to move to the other end from an end of drying cylinder.Due to heating, the moisture in cut-tobacco drier is diffusion towards periphery internally, and the effect of hot-air system is exactly absorb and take away boil-off gas, and dry run is carried out smoothly.One road hot blast of cut-tobacco drier is entered by the cup direction, becomes following current to contact with pipe tobacco, and another road hot blast is taken out case by the vapour dirt of rear chamber and entered, and prevents dirt gas because temperature is hanged down very much dewfall in rear chamber, and boil-off gas is taken out case from vapour dirt and drawn and enter by the road sack cleaner.When pipe tobacco kind, humidity and changes in flow rate, can reach by the rotating speed of adjusting steam pressure, hot blast temperature and drying cylinder best baking silk effect.Whole baking silk process is continuously automatically.
As shown in Figure 1, secondary cut-tobacco drier profile of the present invention and the cut-tobacco drier profile of prior art have many different, find out that from diagram secondary cut-tobacco drier of the present invention is respectively arranged with placket thermal source 4 and rear cylinder thermal source 8, is respectively arranged with placket humidity discharging system 6 and rear cylinder humidity discharging system 7.This shows that placket of the present invention and rear cylinder are to have separate heat circulating system and humidity discharging system.Wherein, placket pipeline 2 is the front ends that both led to placket, leads to again the rear end of placket; Equally, rear bobbin road 9 is the front ends that both led to rear cylinder, leads to again the rear end of rear cylinder.This shows that hot wind supply of the present invention or water are not only can realize the downflow type operation but also can realize reverse-flow operation.As shown in Figure 2, be the concrete structure that has removed the cylindrical shell after outer fixed cover, this figure main what show is heat source system schematic diagram of the present invention, same as shown in Figure 1.Be also shown in placket 13 and be provided with placket rotating mechanism 12 in this figure, rear cylinder 15 is provided with rear cylinder rotating mechanism 14, show that placket 13 and rear cylinder 15 can distinguish independent rotation, they can also can be with not identical rotating speed realization running separately with identical rotating speed.Can also see the front end of cylinder 15 after the embedded insertion in rear end of placket 13 in accompanying drawing 2, both are socketed and are in same inclination angle, are arranged on same frame.
The displaying contents of accompanying drawing 3 has been removed other appurtenances, and in the present embodiment, placket 13 is embedded to be butted up against in rear cylinder 15, both are in same inclination angle, be arranged on same frame, placket 13 is the heat preserving type baking silk cylinders with warming pipeline, and rear cylinder 15 is steam thin board type baking silk cylinders.The displaying contents of accompanying drawing 4 has been removed other appurtenances, and in the present embodiment, placket 13 is embedded to be butted up against in rear cylinder 15, both are in same inclination angle, be arranged on same frame, placket 13 is the heat preserving type baking silk cylinders without warming pipeline, and rear cylinder 15 is steam thin board type baking silk cylinders.
Accompanying drawing 9-11 is the view every the wind material guide device of the present invention, two baking silk cylinders 13,15 have independently hot air circulating system and humidity discharging system in secondary cut-tobacco drier of the present invention, will produce like this a drawback: the connected mode of drying by the fire the silk cylinder due to two-stage type is the series connection form, therefore " string wind " phenomenon might appear in the hot blast in baking silk cylinders at different levels in cyclic process, namely in process of production, first order baking silk cylinder 13 interior hot blasts flow in second level baking silk cylinder 15, and the hot blast in second level baking silk cylinder 15 flows in first order baking silk cylinder 13.In this case, cause circulating air not controlled, the accuracy to processing especially exports moisture content and causes adverse effect.Invented this every the wind material guide device for solving this difficult problem the applicant, the applicant also is called it every wind material separation device not, this is an important technology feature of the present invention, if there is no this device, the baking silk cylinder 13,15 of two docking can't realized different temperature respectively, different rotating speeds under different hot blasts and the condition of humidity discharging system, is completed the operation of baking silk jointly.The purpose of this device is two baking silk cylinders 13,15 are realized every and constantly, do not allowed air-flow crossfire in two cylinders, and guarantee again the material motion from front to back in two, this is difficult to accomplish.This device of the present invention is very ingenious, it is comprised of three half elliptics or Semicircular baffle, wherein, the arc-shaped side of every baffle plate becomes 90～miter angle to be fixedly connected with front baking silk tube rear end inwall rib, three baffle plates are equally distributed (each baffle plate be separated by 120 degree angles arrange) on same cross section in front baking silk cylinder, and three baffle plates are to be on different planes.Because three baffle plates are interlaced, from scheming upper visual effect, the straight line center of three baffle plates is (be called the vision intersection point, it can be actual intersecting, and can be also actual non-intersect, according to circumstances decides) of handing on one point.These three baffle plates become 90～miter angle to be fixedly connected with front baking silk tube rear end inwall rib, therefore the various structures situation are arranged, when they are an angle of 90 degrees with being connected of inwall, a kind of special circumstances, this moment, three baffle plates were semicircle, and are parallel to each other, are arranged on equably on different cross sections.When three baffle plates were other angle with being connected of inwall, baffle plate was half elliptic, and they are crossing or disjoint on aforementioned vision intersection point.Operation principle every the wind material guide device is: by the setting of baffle plate, make in two cut-tobacco driers and can not collaborate, baffle plate be is connected with baking silk cylinder and move with baking silk cylinder, material is along with the motion of baking silk cylinder promotes forward from the mutual gap of the straight line portion of baffle plate, thereby realizes every the wind function of separated material not.
Accompanying drawing 12-14 is the structural representation of lowering or hoisting gear 36 of the present invention.Front baking silk cylinder 13 dries by the fire the 15 socket connections of silk cylinder with being connected as shown in the figure, is co-located on same support.In the bottom of support, lowering or hoisting gear 36 is set.This lowering or hoisting gear can be manual adjustments, can be also automatically to regulate, and as shown in Figure 13 for changing the cut-tobacco drier substructure height by the manual adjustments screw mandrel, thereby controls the running time of pipe tobacco in baking silk cylinder.Accompanying drawing 14 is depicted as self-regulation structure, and described self-regulation structure can be pneumatic or the lowering or hoisting gear 35 that surges.In adjustable angular range, pipe tobacco can not crossed slow or cross suddenly to cause in each section cut-tobacco drier junction and latter end tobacco-dryer exit because of angle and putty occur.
In a word, the present invention adopts two kinds of dissimilar baking silk cylinders 13,15 to be combined with the form of series connection.First order baking silk cylinder 13 carries out drying to pipe tobacco under low temperature environment, take off part moisture, and temperature is adjustable continuously between 50-100 ℃, and pipe tobacco is relatively long in the low-temperature zone processing time; Second segment baking silk cylinder 15 carries out drying to pipe tobacco under hot environment, temperature is adjustable continuously between 100-150 ℃, takes off part moisture, until reach 12.5% ± 0.5% moisture content of technological requirement, this process time is short, reaches the effect of fast dewatering.After finally reaching dehydration, keep the effect of aroma of tobacco shreds.
The applicant produces as a trial cut-tobacco drier of the present invention, and contrasts with the cut-tobacco drier of prior art, and comparing result is asked for an interview table 1.
Table 1, cut-tobacco drier of the present invention and prior art contrast
By data in table 1 find out temperature standard of the present invention poor be 0.045, and the temperature standard of prior art poor be 0.270, the poor temperature standard than prior art of temperature standard of the present invention is poor little a lot, illustrates that cut-tobacco drier temperature fluctuation of the present invention is much smaller.
The single stage type cut-tobacco drier of prior art is mainly to come adjusting water content by the thin plate temperature, and the thin plate temperature realizes by quantity of steam.But, because this medium of steam is stable not, cause the thin plate temperature wayward, thereby cause the fluctuation of outlet moisture content larger.And secondary cut-tobacco drier of the present invention to control the medium of temperature be hot water, hot water with respect to steam stable many, the control of thin plate temperature is also more accurate, therefore exporting moisture content just can satisfy technological requirement greatly.In addition, the whole baking silk environment of single stage type cut-tobacco drier is all to carry out under the high temperature of 130 degrees centigrade of left and right, and under this environment, the fragrance in pipe tobacco can overflow in a large number.And the first order cut-tobacco drier of two-stage type cut-tobacco drier is to allow tobacco low-temperature dewater at a slow speed, essential fragrance under low-temperature condition in pipe tobacco is difficult for overflowing, in the cut-tobacco drier of the second level, pipe tobacco high temperature fast shaping, although the aroma of tobacco shreds under the condition of high temperature easily overflows, but because second level cut-tobacco drier rotating speed is fast, the time of staying of pipe tobacco in the cut-tobacco drier of the second level is short, the fragrance of pipe tobacco also has little time to overflow, pipe tobacco has just left cut-tobacco drier, therefore, compare the single stage type cut-tobacco drier, the two-stage type cut-tobacco drier can allow the fragrance of pipe tobacco fully be kept.By smoke panel test personnel's the checking of smokeing panel test of specialty, the fragrance in the pipe tobacco that two-stage type cut-tobacco drier of the present invention is produced is denseer than the fragrance of ordinary single-stage cut-tobacco drier.The mouthfeel of smokeing panel test is also improved significantly.
Claims (9)
1. the two-stage type cut-tobacco drier that share of a heat-preservation cylinder and steam thin-sheet barrel, contain organic frame support roller system, vapour, water supply system, humidity discharging system, control system is characterized in that: described two-stage type cut-tobacco drier is connected and composed by two separate front baking silk cylinders (13) and (15) the embedded series connection of rear baking silk cylinder; Wherein, front baking silk cylinder (13) is with the heat preserving type of warming pipeline baking silk cylinder or without the heat preserving type baking silk cylinder of warming pipeline, and rear baking silk cylinder (15) is steam thin board type baking silk tin; Described front baking silk cylinder (13) and rear baking silk cylinder (15) are fixed on same frame (5), and the axis of front baking silk cylinder (13) and rear baking silk cylinder (15) overlaps; The junction of described front baking silk cylinder (13) and rear baking silk cylinder (15) also is provided with every the wind material guide device; Describedly be arranged on front baking silk cylinder (13) rear end every the wind material guide device, formed by three half elliptics or Semicircular baffle, wherein, the arc-shaped side of every baffle plate becomes 90～miter angle to be fixedly connected with the rib of front baking silk cylinder (13) rear end inwall, three baffle plates are equally distributed on same cross section in front baking silk cylinder (13), and three baffle plates are to be on different planes.
2. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: it is exactly within the rear end of front baking silk cylinder (13) is embedded into the front end of rear baking silk cylinder (15) that described embedded series connection connects, and leaves the gap of separate rotation.
3. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel is characterized in that: described separate front baking silk cylinder (13) and rear baking silk tin (15) refer to that it is provided with independently separately and can realize infinite variable speed transmission system.
4. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: described separate front baking silk cylinder (13) refers to that with rear baking silk tin (15) it is provided with independently heat circulating system and described humidity discharging system separately.
5. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: described heat preserving type with warming pipeline dries by the fire in the inner ring and the interlayer between the outer ring of silk cylinder, be provided with the warming pipeline (18) that can lead to circulating air or hot water, be provided with outer ring stationary magazine creel (17) outside the outer ring, be provided with heat-insulation layer (22) outside outer ring stationary magazine creel (17), inner ring (23) is upper with flight (19).
6. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: outer ring and inner ring that described heat preserving type without warming pipeline dries by the fire the silk cylinder are all thin plate circle (30), be provided with the interlayer of directly logical warming circulating water (24) between outer ring and inner ring, be provided with flight (19) on inner ring.
7. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel is characterized in that: the bracket base at described front baking silk cylinder (13) and rear baking silk cylinder (15) two ends is Height Adjustable lowering or hoisting gear (36).
8. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: outside described front baking silk cylinder (13) and rear baking silk cylinder (15), the outer fixed cover (3) that does not rotate is set, is provided with the insulation steam pipe coil between front baking silk cylinder (13) and rear baking silk cylinder (15) and outer fixed cover (3).
9. the two-stage type cut-tobacco drier that share of heat-preservation cylinder according to claim 1 and steam thin-sheet barrel, it is characterized in that: the placket pipeline (2) of described front baking silk cylinder (13) is all to be communicated with the rear and front end of front baking silk cylinder (13); The rear bobbin road (9) of rear baking silk cylinder (15) is all to be communicated with the rear and front end of rear baking silk cylinder (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910272275 CN102028304B (en) | 2009-09-27 | 2009-09-27 | Two-stage silk dryer combined with insulation cylinder and steam sheet cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910272275 CN102028304B (en) | 2009-09-27 | 2009-09-27 | Two-stage silk dryer combined with insulation cylinder and steam sheet cylinder |
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| Publication Number | Publication Date |
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| CN102028304A CN102028304A (en) | 2011-04-27 |
| CN102028304B true CN102028304B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910272275 Active CN102028304B (en) | 2009-09-27 | 2009-09-27 | Two-stage silk dryer combined with insulation cylinder and steam sheet cylinder |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105455186B (en) * | 2016-01-21 | 2017-04-19 | 昆明船舶设备集团有限公司 | Rotary thin-plate stepped tobacco shred drying system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10007128A1 (en) * | 2000-02-17 | 2001-08-23 | Hauni Maschinenbau Ag | Fluidized bed tobacco handler has hood sidewalls vertical parallel to vibro-conveyor flow line using centrifugal separator and cellular conveyor to sort tobacco and return shreds grade to hood store. |
| CN2666180Y (en) * | 2003-09-23 | 2004-12-29 | 秦皇岛烟草机械有限责任公司 | Channel type cut tobacco drying machine |
| WO2007045606A1 (en) * | 2005-10-17 | 2007-04-26 | Comas - Costruzioni Macchine Speciali - S.P.A. | Rotary dryer for leaf, strip or shredded tobacco |
| CN201238594Y (en) * | 2008-06-19 | 2009-05-20 | 湖北中烟工业有限责任公司 | Multistage type roller burley tobacco baking machine |
| CN201238593Y (en) * | 2008-06-24 | 2009-05-20 | 湖北中烟工业有限责任公司 | Low-temperature tobacco oven heated by hot-water system |
-
2009
- 2009-09-27 CN CN 200910272275 patent/CN102028304B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10007128A1 (en) * | 2000-02-17 | 2001-08-23 | Hauni Maschinenbau Ag | Fluidized bed tobacco handler has hood sidewalls vertical parallel to vibro-conveyor flow line using centrifugal separator and cellular conveyor to sort tobacco and return shreds grade to hood store. |
| CN2666180Y (en) * | 2003-09-23 | 2004-12-29 | 秦皇岛烟草机械有限责任公司 | Channel type cut tobacco drying machine |
| WO2007045606A1 (en) * | 2005-10-17 | 2007-04-26 | Comas - Costruzioni Macchine Speciali - S.P.A. | Rotary dryer for leaf, strip or shredded tobacco |
| CN201238594Y (en) * | 2008-06-19 | 2009-05-20 | 湖北中烟工业有限责任公司 | Multistage type roller burley tobacco baking machine |
| CN201238593Y (en) * | 2008-06-24 | 2009-05-20 | 湖北中烟工业有限责任公司 | Low-temperature tobacco oven heated by hot-water system |
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| CN102028304A (en) | 2011-04-27 |
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