CN103230092A - Method and equipment for enhancing density uniformity of stem shreds manufactured from microwave expanded tobacco stems - Google Patents
Method and equipment for enhancing density uniformity of stem shreds manufactured from microwave expanded tobacco stems Download PDFInfo
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- CN103230092A CN103230092A CN201310198341XA CN201310198341A CN103230092A CN 103230092 A CN103230092 A CN 103230092A CN 201310198341X A CN201310198341X A CN 201310198341XA CN 201310198341 A CN201310198341 A CN 201310198341A CN 103230092 A CN103230092 A CN 103230092A
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Abstract
The invention provides a method and equipment for enhancing density uniformity of stem shreds manufactured from microwave expanded tobacco stems and particularly relates to the technical field of manufacturing the stem shreds from microwave expanded tobacco stems, belonging to the technical field of tobacco manufacturing. In a process of manufacturing the stem shreds from microwave expanded big tobacco stems, a working procedure of pneumatic separation is set after a working procedure of shred cutting, the stem shreds or tobacco stem powder with big density can be separated and removed by pneumatic separation equipment, and then expanded tobacco stems with uniform density can be obtained, so that the density uniformity of the stem shreds manufactured from the expanded tobacco stems can be increased. After the working procedure of cutting the tobacco stems to shreds, the pneumatic separation equipment is arranged so as to separated out the stem shreds or tobacco stem powder with big density from the expanded stem shreds; the manufactured stem shreds are high in filling value and uniform in density; and after the stem shreds are added in cigarettes, the intra-batch fluctuation of release amount of tar in smoke of the cigarettes can be reduced, and the inter-batch stability of the release amount of the tar in the smoke of the cigarettes can be enhanced, and a cracking phenomenon occurring when the cigarettes burning can be reduced.
Description
Technical field
A kind of method and apparatus that improves the made stem density uniformity of microwave expansion offal of the present invention especially utilizes the microwave expansion offal to make the technical field of stem, belongs to tobacco manufacturing technology field.
Background technology
Chinese patent CN2607033Y discloses a kind of many wave sources and has presented a mouthful microwave expansion offal device more.
Chinese patent CNl518906A discloses a kind of offal and has mixed the method that the microwave expansion offal is used in the back with microwave low-loss solid medium particle heating agent.
Chinese patent CN 202077560 U disclose a kind of drum-type offal continuous microwave expansion device, adopt the mass transport cylinder can realize the continuous conveying of offal.
Above Chinese patent method can realize that all the microwave expansion of offal produces continuously, but because microwave energy field has noncontinuity and heteropical characteristics, above microwave expansion method all can not make offal evenly expand, simultaneously, bigger and the rotten offal of moisture is difficult for expanding under microwave action in the offal, above reason causes jointly that to contain the demi-inflation rate in the offal behind microwave expansion lower, the offal that density is higher, the made stem filling of these offals value reduces, add in the cigarette and can reduce suction quality, increase the tar content in the cigarette smoke, cause the fluctuation of cigarette smoke tar content to increase, influence the cigarette product quality.
Chinese patent application CN102125293A discloses a kind of preparation technology of cigarette expansion cabo bar silk, and its offal after with microwave expansion recovers through moisture regain equilibrium water conten, section, storage, chopping, microwave that typing is expanded and the moisture regain perfuming, obtains the finished product stem.
Chinese patent application CN102178341A discloses a kind of offal throwing processing method, and it through microwave expansion, moisture regain, offal section, the chopping of stalk sheet, stem drying, obtains the finished product stem with offal.
Chinese patent application CN102551189A discloses a kind for the treatment of process of the stalk bar that expands; its offal after with offal or microwave expansion through soak, the storage stalk, quantitatively feeding, warming and humidifying, cut that stalk sheet, stalk sheet are temporary, row's stalk sheet, the chopping of stalk sheet, quantitatively reinforced, the storage stem of feeding, stem, quantitatively feeding, drying, stem perfuming, obtain the finished product stem.
Chinese patent application CN102631015A discloses the thread contour machining procedure of a kind of offal, it with offal through preliminary treatment, microwave expansion, washing stalk, storage stalk, offal make in order, offal cut into slices, obstruct that sheet is reinforced, storage sheet, the chopping of stalk sheet, stem are finalized the design drying, stem perfuming, obtains the finished product stem.
Above microwave expansion offal processing method all can not be removed the higher offal of density in the microwave expansion offal, in the stalk throwing process that expands, all can not reject the made stem of high density offal, these high density stems after mixing pipe tobacco and manufacturing cigarette, the problem that the cigarette that contains the high density stem will occur puncturing that cigarette paper, seam broken, burning velocity are inhomogeneous, the burst size of suction quality variation, cigarette smoke tar increases.
In existing wind subset, the light effectively material of telling all uses pipeline to carry gentle material separating device that the light matter material is told, carrying and separation process makes material moisture reduction, mechanical friction violent, cause material size to diminish, and produce a large amount of broken ends, reduced material use value, be not suitable for the made stem of less, the breakable microwave expansion offal of physical size own is separated.
Summary of the invention
The objective of the invention is to solve the deficiency that prior art exists, a kind of method that improves the expanded cut stem density uniformity is provided, make the made stem density of microwave expansion offal even, the filling value is higher and stable, guarantees behind the adding cigarette that cigarette quality is stable.
Realize that the present invention improves the following method of employing of the made stem density uniformity of microwave expansion offal: in expanded cabo throwing flow process, the pneumatic separating operation is set after the chopping operation, by the wind sorting equipment in the pneumatic separating operation the big stem of density or offal powder separation are rejected, can obtain the uniform expanded cabo of density after the separation, improve the uniformity of the made stem density of expanded cabo.
The pneumatic separating operation can be arranged on after the expanded cabo chopping operation to expanded cut stem mixes optional position between allotment of labor's order, after preferential position is the stem drying process.
Use the high density stem in the made stem of wind sorting equipment removal microwave expansion offal.
Described wind sorting equipment divides device for double-chamber type wind, and double-chamber type wind divides that device comprises air inlet (1), damping sheet (2), the sieve (3) that shakes, charging aperture (4), transmit guipure (5), inlet scoop (6), auxiliary air inlet (7), cleaning brush (8), discharging opening (9), tailover blanking port (10), separation bin (11), blanking storehouse (12), offal blanking port (13) and screen cloth (14);
Separation bin (11) upper portion side wall communicates with blanking storehouse (12) upper portion side wall, transmit guipure (5) and be communicated with separation bin (11) and blanking storehouse (12) by this phase port, the phase passage port arranges the air curtain of isolating two storehouses, bottom, blanking storehouse arranges discharging opening (9), the top of separation bin (11) arranges negative pressure inlet scoop (6), separation bin (11) sidewall arranges charging aperture (4) over against the bottom of transmitting guipure (5) one ends, separation bin (11) bottom arranges the groove that shakes (3) of band mesh, shake the damping sheet (2) of band mesh is set under the groove (3), the air inlet (1) over against separation bin (11) lower port is installed in damping sheet (2) below, and the groove that shakes (3) end connects rejects thing blanking port (10).
Furtherly, transmit guipure and be horizontally disposed with in separation bin and blanking storehouse, the structure of air curtain arranges auxiliary air inlet for the phase port bottom that joins in separation bin and blanking storehouse, arranges a series of upwards vertically over against the exhaust vent that transmits guipure on the auxiliary air inlet.
Furtherly, little 100～the 2100Pa of pressure ratio standard atmospheric pressure that inlet scoop (6) is located, big 100～2000 Pa of mesh place pressure ratio standard atmospheric pressure of groove (3) shake, the air inlet that damping sheet (2) connects down is vertical corner structure, and the air intake direction of horizontal segment is consistent with the moving direction that transmits guipure; Pressure in the blanking storehouse (12) is standard atmospheric pressure.
Furtherly, separation bin is horn-like greater than end opening suitable for reading, and the sloped sidewall in storehouse has angle demodulator, and damping sheet adopts the pull chute to be installed in to shake the groove below.
Furtherly, transmit guipure and dispose correction and tensioning apparatus; The end that the transmission guipure is arranged in the blanking storehouse is provided with cleaning brush; Utilize negative pressure, deliver to the blanking storehouse by transmitting guipure (5) absorption material by separation bin.
Furtherly, between separation bin and the blanking storehouse auxiliary air inlet is arranged, form gas curtain by air intake and isolate two storehouse air and flow, thereby make the separation bin (11) that communicates be in different pressures with blanking storehouse (12).Separation bin (11) utilizes wind from top, storehouse negative pressure and bottom malleation material to be carried out secondary separation; The pressure balance face position of the interior malleation wind of separation bin (11) and negative pressure wind is adjustable up and down.
Furtherly, there is transmission guipure (5) to be interconnected between separation bin and the blanking storehouse, the air exchange of auxiliary air inlet (7) between knot two storehouses; Air inlet has damping sheet (2) to carry out the wind speed adjusting, makes the cross section in the separation bin (11) be different blast and wind speed; The blanking storehouse is at atmospheric pressure state, and material is subjected to the self gravitation effect, and transmits guipure (5) and separates, and falls in the mode of freely falling body; The groove (3) that shakes uses the two-part base plate, and the effect that separation bin (11) below is first section is that below positive pressure gas stream is passed through, rather than the screening material; Second section is screen cloth (14), and its effect is the screening material.
Furtherly, screen cloth (14) is slotted hole, avette slotted hole, slotted hole and avette slotted hole hole long 6-15mm, the wide 1-6mm in hole, the preferred long 12mm in hole, the wide 3mm in hole.
Operation principle of the present invention: the microwave expansion offal is made into after through moisture regain, storage stalk, section, reinforced, chopping, drying process thread, send into the separation bin (11) that the two storehouses of wind pressure type shown in the present wind divides device by conveyer belt, because action of inertia, stem is to the descending motion of previous crops parabola, in this process, wherein dust and the broken end of offal less than 1mm is subjected to suction function to be upward through transmission guipure (5), enters dust pelletizing system by inlet scoop (6); The qualified stem of part light specific gravity is subjected to the top suction function, is adsorbed on to transmit on the guipure (5); Part stem is subjected to lifting of malleation wind in dropping process, light stem progressively separates with unexpanded heavier stem, and crosses pressure balance face under the lifting of malleation wind, is being transmitted on the guipure (5) by negative-pressure adsorption; After remaining unexpanded heavier stem falls to the groove that shakes (3), carry through the groove that shakes, fallen and separated by the rejecting thing blanking port (10) of the groove below that shakes; Being adsorbed on the stem that transmits on the guipure (5) is transmitted guipure and brings the blanking storehouse into, because blanking storehouse (12) has auxiliary air inlet (7) to blow out malleation air-flow formation gas curtain with separation bin (11) is middle, two storehouses are communicated with and air exchange is isolated, air pressure is with extraneous identical in the blanking storehouse, the stem that transmits on the guipure (5) is subjected to the effect of self gravitation to fall to being discharged by discharging opening (9), be transferred to take away and enter next procedure, finish the sorting of high density stem and reject, thereby improved the stem density uniformity.
Advantage of the present invention is:
1, effectively removes expanded cut stem middle-high density stem and offal powder.
2, the expanded cut stem density of removing behind the high density stem is more even, and can be evenly distributed in the pipe tobacco after pipe tobacco mixes, make cigarette after, cigarette burning speed evenly, the burst size reduction of no seam broken, cigarette smoke tar, effectively improve cigarette quality stability.
3, remove broken last expanded cut stem high purity, effectively reduce the burst size of follow-up operation dust in production environment.
4, double-chamber type wind divides device can avoid the mechanical friction that traditional wind send, gas lock discharging equipment produces the made stem of less, the breakable microwave expansion offal of physical size, and the broken supplies consumption that causes is made in the friction of reduction material.
Description of drawings
Fig. 1 is embodiment 1 process chart of the inventive method;
Fig. 2 is embodiment 2 process charts of the inventive method;
Fig. 3 is embodiment 3 process charts of the inventive method;
Fig. 4 is embodiment 4 process charts of the inventive method
Fig. 5 is concrete equipment schematic diagram of the present invention.
Among the figure: 1-air inlet, 2-damping sheet; 3-the groove that shakes, 4-charging aperture, 5-transmission guipure, 6-inlet scoop, 7-auxiliary air inlet, 8-cleaning brush, 9-discharging opening, 10-rejecting thing blanking port, 11-separation bin, 12-blanking storehouse.
The specific embodiment
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Embodiment 1: as shown in Figure 1, offal behind the microwave expansion, volume increases 200-350%, moisture reaches 3-5%, and 75-90 ℃ of temperature are through the washing stalk, moisture is increased to 25-30%, with the offal section, slice thickness is 0.2mm, stores the stem that is cut into width 0.8mm after 1-3 hours more then, through microwave drying, moisture is reduced to 10-12%, through double-chamber type wind subset high density stem and the broken end of offal is removed, simultaneously to low-density stem cooling and shaping, obtain the uniform low-density stem of density through the moisture regain perfuming, moisture of cut stem control 12.5-13.5%, is made the finished product stem, use for mixing to be equipped with.
Embodiment 2: as shown in Figure 2, offal is through microwave expansion, volume increases 200-350%, moisture reaches 3-5%, 75-90 ℃ of temperature, through cooling and shaping, storage ageing 7-60 days, get damp again then, make offal moisture reach 18-20%, then offal is cut into slices, slice thickness 0.8mm, the chopping of stalk sheet, tobacco cut width 0.2mm, stem is dried to moisture 13-14%, through double-chamber type wind subset high density stem and the broken end of offal are removed, simultaneously to low-density stem cooling and shaping, obtained the uniform low-density finished product of density stem.
Embodiment 3: as shown in Figure 3, with the offal microwave expansion, volume increases 200-350%, moisture reaches 3-5%, 75-90 ℃ of temperature, through soaking moisture is increased to 30-35%, obstructed 1-3 hours through storage then, quantitative feeding, warming and humidifying is to 55-70 ℃ of moisture content 32-38% temperature, be cut to the stalk sheet of thickness 0.3mm, the stalk sheet is temporary, row's stalk sheet, the stalk sheet is cut to the stem of width 0.9mm, quantitative feeding, stem is reinforced, storage stem 1-6 hours, quantitative feeding, dry, the stem perfuming, through pneumatic separator high density stem and the broken end of offal are removed, obtained the finished product stem.
Embodiment 4: as shown in Figure 4; offal process warming and humidifying is to 65-70 ℃ of moisture 12-15% temperature; pass through microwave expansion then; volume increases 200-350%; moisture reaches 3-5%; 75-90 ℃ of temperature; through washing stalk machine moisture is increased to 20-25%; storage stalk 1-6 hours, offal made, were cut to that stalk sheet, the stalk sheet of thickness 0.2mm is reinforced in order, storage sheet 1-4 hours, stalk sheet are cut to width 0.8mm stem, dry, the stem perfuming of stem typing; storage silk, through pneumatic separator high density stem and the broken end of offal are removed, mixed then and be fitted in the pipe tobacco.
Above-mentioned four embodiment of process handle resultant expanded cut stem, can mix by formula rate to be assigned in the pipe tobacco, finally make finished cigarettes, and then realize a kind of method that improves the expanded cut stem density uniformity of the present invention.
Embodiment 5: in certain trade mark cigarette throwing process, tobacco leaf enters the separation bin 11 that the two storehouses of wind pressure type shown in the present wind divides device after through moisture regain, reinforced, leaves storage, warming and humidifying, chopping, drying process, because action of inertia, pipe tobacco is to the descending motion of previous crops parabola, in this process, wherein transmit the mesh size of guipure 5 less than 1mm() dust and the broken end of tobacco be upward through by suction function to transmit guipure 5, enter dust pelletizing system by inlet scoop 6; The qualified pipe tobacco of part light specific gravity is subjected to the top suction function, is adsorbed on to transmit on the guipure 5; Part pipe tobacco is subjected to lifting of malleation wind in dropping process, progressively sign with heavier stalk than the film silk and separate, and cross the pressure balance face that forms in the separation bin 11 under the lifting of malleation wind, is being transmitted on the guipure 5 by negative-pressure adsorption; After remaining pipe tobacco and stalk label mixed material fall to the groove 3 that shakes, under shake groove 3 and malleation wind action power, mixed material is further loose, and lighter pipe tobacco is signed with heavier stalk and separated again, and under the lifting of malleation wind, cross pressure balance face, transmitted on the guipure 5 by negative-pressure adsorption; Proportion is bigger in the pipe tobacco stalk is signed through the groove 3 that shakes and is carried, and is fallen and separated by the rejecting thing blanking port 10 of the groove below that shakes; Being adsorbed on the pipe tobacco that transmits on the guipure 5 is transmitted guipure and brings blanking storehouse 12 into, because air pressure is with extraneous identical in the blanking storehouse 12, pipe tobacco on the transmission guipure 5 is under the effect of gravity, drop down onto discharging opening 9, taken away by conveyer belt and to enter next procedure, finish the sorting of high density stem and reject, thereby improved the stem density uniformity.
Use the flexible air classifier punishment in advance test of same batch pipe tobacco and conventional leaf silk, the key technical indexes testing result such as following table.
There is the guipure 5 of transmission to be interconnected between separation bin 11 of the present invention and the blanking storehouse 12, the air exchange of auxiliary air inlet 7 between knot two storehouses.
Separation bin 11 of the present invention utilizes wind from top, storehouse negative pressure and bottom malleation material to be carried out secondary separation.
Air inlet of the present invention has damping sheet 2 to carry out the wind speed adjusting, makes the cross sections in the separation bin 11 be different blast and wind speed.
The present invention utilizes the negative pressure that transmits guipure 5 tops, and the absorption material is delivered to the blanking storehouse by separation bin.
Between separation bin and the blanking storehouse auxiliary air inlet is arranged, form gas curtain by air intake and isolate two storehouse air and flow, thereby make the separation bin 11 that communicates be in different pressures with blanking storehouse 12.
The blanking storehouse is at atmospheric pressure state, and material is subjected to the self gravitation effect, and transmits guipure 5 and separates, and falls in the mode of freely falling body.
The pressure balance face position of malleation wind and negative pressure wind is adjustable up and down in the separation bin 11.
The groove 3 that shakes uses netted base plate, and effect is that below positive pressure gas stream is passed through, rather than the screening material.
Transmitting the mesh size size of guipure 5 uses adjusts according to the size of sorting material particle.
More than five embodiment only in order to technical scheme of the present invention to be described, be not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art should be appreciated that it still can make amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. method that improves the made stem density uniformity of microwave expansion offal, it is characterized in that: in expanded cabo throwing flow process, the pneumatic separating operation is set after the chopping operation, by the wind sorting equipment in the pneumatic separating operation the big stem of density or offal powder separation are rejected, can obtain the uniform expanded cabo of density after the separation, improve the uniformity of the made stem density of expanded cabo.
2. according to the method for the raising expanded cut stem density uniformity described in the claim 1, it is characterized in that: the pneumatic separating operation can be arranged on after the expanded cabo chopping operation to expanded cut stem mixes optional position between allotment of labor's order, after preferential position is the stem drying process.
3. according to the method for the raising expanded cut stem density uniformity described in the claim 1, it is characterized in that: use the high density stem in the made stem of wind sorting equipment removal microwave expansion offal.
4. the equipment of the made stem density uniformity of raising microwave expansion offal according to claim 1, it is characterized in that described wind sorting equipment divides device for double-chamber type wind, double-chamber type wind divides that device comprises air inlet (1), damping sheet (2), the sieve (3) that shakes, charging aperture (4), transmit guipure (5), inlet scoop (6), auxiliary air inlet (7), cleaning brush (8), discharging opening (9), tailover blanking port (10), separation bin (11), blanking storehouse (12), offal blanking port (13) and screen cloth (14);
Separation bin (11) upper portion side wall communicates with blanking storehouse (12) upper portion side wall, transmit guipure (5) and be communicated with separation bin (11) and blanking storehouse (12) by this phase port, the phase passage port arranges the air curtain of isolating two storehouses, bottom, blanking storehouse arranges discharging opening (9), the top of separation bin (11) arranges negative pressure inlet scoop (6), separation bin (11) sidewall arranges charging aperture (4) over against the bottom of transmitting guipure (5) one ends, separation bin (11) bottom arranges the groove that shakes (3) of band mesh, shake the damping sheet (2) of band mesh is set under the groove (3), the air inlet (1) over against separation bin (11) lower port is installed in damping sheet (2) below, and the groove that shakes (3) end connects rejects thing blanking port (10).
5. according to the equipment of the made stem density uniformity of the described raising microwave expansion of claim 4 offal, its feature is being: transmit guipure and be horizontally disposed with in separation bin and blanking storehouse, the structure of air curtain arranges auxiliary air inlet for the phase port bottom that joins in separation bin and blanking storehouse, arranges a series of upwards vertically over against the exhaust vent that transmits guipure on the auxiliary air inlet.
6. according to the equipment of claim 1 or the made stem density uniformity of 4 described raising microwave expansion offals, it is characterized in that: the little 100～2100Pa of pressure ratio standard atmospheric pressure that inlet scoop (6) are located, big 100～2000 Pa of mesh place pressure ratio standard atmospheric pressure of groove (3) shake, the air inlet that damping sheet (2) connects down is vertical corner structure, and the air intake direction of horizontal segment is consistent with the moving direction that transmits guipure; Pressure in the blanking storehouse (12) is standard atmospheric pressure.
According to the made stem density uniformity of the described raising microwave expansion of claim 4 offal equipment, its feature is being: separation bin is horn-like greater than end opening suitable for reading, the sloped sidewall in storehouse has angle demodulator, and damping sheet adopts the pull chute to be installed in below the groove that shakes; Transmit guipure (5) and dispose correction and tensioning apparatus; The end that transmission guipure (5) is arranged in the blanking storehouse is provided with cleaning brush; Utilize negative pressure, deliver to the blanking storehouse by transmitting guipure (5) absorption material by separation bin.
8. the equipment of the made stem quality of raising microwave expansion offal according to claim 4 and yield, its feature is being: between separation bin and the blanking storehouse auxiliary air inlet is arranged, form gas curtain by air intake and isolate two storehouse air and flow, thereby make the separation bin (11) that communicates be in different pressures with blanking storehouse (12); Separation bin (11) utilizes wind from top, storehouse negative pressure and bottom malleation material to be carried out secondary separation; The pressure balance face position of the interior malleation wind of separation bin (11) and negative pressure wind is adjustable up and down.
9. according to the equipment of the made stem density uniformity of the described raising microwave expansion of claim 4 offal, it is characterized in that having between separation bin and the blanking storehouse transmission guipure (5) to be interconnected, the air exchange of auxiliary air inlet (7) between knot two storehouses; Air inlet has damping sheet (2) to carry out the wind speed adjusting, makes the cross section in the separation bin (11) be different blast and wind speed; The blanking storehouse is at atmospheric pressure state, and material is subjected to the self gravitation effect, and transmits guipure (5) and separates, and falls in the mode of freely falling body; The groove (3) that shakes uses the two-part base plate, and the effect that separation bin (11) below is first section is that below positive pressure gas stream is passed through, rather than the screening material; Second section is screen cloth (14), and its effect is the screening material.
10. according to the equipment of the made stem density uniformity of the described raising microwave expansion of claim 4 offal, it is characterized in that screen cloth (14) is slotted hole, avette slotted hole, slotted hole and avette slotted hole hole long 6-15mm, the wide 1-6mm in hole, the preferred long 12mm in hole, the wide 3mm in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198341.XA CN103230092B (en) | 2013-05-26 | 2013-05-26 | Improve the method and apparatus of the made stem density uniformity of Microwave expansion tobacco stem |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198341.XA CN103230092B (en) | 2013-05-26 | 2013-05-26 | Improve the method and apparatus of the made stem density uniformity of Microwave expansion tobacco stem |
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| CN103230092A true CN103230092A (en) | 2013-08-07 |
| CN103230092B CN103230092B (en) | 2016-01-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105249522A (en) * | 2015-09-25 | 2016-01-20 | 红云红河烟草(集团)有限责任公司 | Method for processing tobacco stem shreds |
| CN106108098A (en) * | 2016-08-19 | 2016-11-16 | 云南中烟新材料科技有限公司 | A kind of thin short cabo expansion restructuring throwing processing technique |
| CN113519886A (en) * | 2021-07-27 | 2021-10-22 | 贵州中烟工业有限责任公司 | Method and device for controlling moisture at cut stem drying outlet and readable storage medium |
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| US4898189A (en) * | 1987-07-11 | 1990-02-06 | Korber Ag | Method of and apparatus for treating uncured tobacco |
| CN2602618Y (en) * | 2002-12-09 | 2004-02-11 | 周川 | Microwave treatment device for continuous cut tabacco expansion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113519886A (en) * | 2021-07-27 | 2021-10-22 | 贵州中烟工业有限责任公司 | Method and device for controlling moisture at cut stem drying outlet and readable storage medium |
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|---|---|
| CN103230092B (en) | 2016-01-06 |
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