CN101019688A - Method of raising the homogeneity of stalk shreds - Google Patents
Method of raising the homogeneity of stalk shreds Download PDFInfo
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- CN101019688A CN101019688A CN 200710054068 CN200710054068A CN101019688A CN 101019688 A CN101019688 A CN 101019688A CN 200710054068 CN200710054068 CN 200710054068 CN 200710054068 A CN200710054068 A CN 200710054068A CN 101019688 A CN101019688 A CN 101019688A
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Abstract
The process of raising the homogeneity of stalk shreds includes the following steps: cutting tobacco stalk into shreds, puffing and drying to form puffed stalk shreds, wind selecting to depurate puffed stalk shreds, and sieving puffed stalk shreds in a vibrating sieve with mesh size of 3.35-4.75 mm to separate puffed stalk shreds into two parts including the part in the required size to be fed to the next working procedure and the part with overlong size to be returned to the cutting step.
Description
Technical field
The present invention relates to the process technology method that grows tobacco, relate to a kind of method that improves homogeneity of stalk shreds specifically.
Background technology
Along with the development of tobacco stem shred expansion technique, make the expansion effect of dry back stem be significantly improved.Its preparation method may further comprise the steps: a, offal is cut into silk; B, the stem that cuts into handled with drying process by expanding after, make it to form expanded cut stem; C, expanded cut stem is sent into selection by winnowing removal of impurities operation carry out removal of impurities and purify, afterwards it is directly mixed and be fitted on Ye Sizhong and use as the raw material of cigarette.Meeting (filament broken rate≤3.0%, filling value 〉=6.5cm under the prerequisite of cigarette process standard to stem physical quality index
3/ g), because the stem expansion effect is remarkable, existing processing result often causes stem long filament proportion in stem excessive, 4.75mm above long filament rate proportion can reach more than 25%, make leaf silk, stem and sheet and shreds mix timing mixing, mix the uniformity imbalance of joining, directly influenced the uniformity and the resistance to suction fluctuation that roll back cigarette Zhi Zufen, inherent quality and flue gas quality stability also are under some influence.
Summary of the invention
Purpose of the present invention provides a kind of just can separate the long filament in the stem at existing weak point in the above-mentioned existing stem treatment technology, then in the low method of under the broken situation long filament being spared the raising homogeneity of stalk shreds of silk processing of making.This method can improve the uniformity of stem size, meet at stem under the prerequisite of filament broken rate of cigarette process regulation and stipulation, assurance enters with the ratio more than 80% of accounting for of 3.35-4.75mm length mixes allotment of labor's preface, improve pipe tobacco and mix the uniformity of joining, thereby guarantee to roll the uniformity of back cigarette Zhi Zufen, reduce the resistance to suction fluctuation, improve the inherent quality and the flue gas quality stability of cigarette product.
Purpose of the present invention can realize by following technique measures:
The method of raising homogeneity of stalk shreds of the present invention may further comprise the steps: a, offal is cut into silk; B, the stem that cuts into handled with drying process by expanding after, make it to form expanded cut stem; C, expanded cut stem is sent into selection by winnowing removal of impurities operation carry out removal of impurities and purify; D, the expanded cut stem after removal of impurities purified are sent into sieve diameter and are sieved processing greater than 3.35mm and smaller or equal to the vibratory sieve within the 4.75mm scope, the expanded cut stem of handling by screening is divided into two parts, the expanded cut stem of dimensional requirement up to specification is sent into next procedure, and the expanded cut stem of keeping somewhere the against regulation dimensional requirement on screen cloth is that long filament is left; E, the long filament that stays is sent into even wire process carry out break process; F, the expanded cut stem after even wire process is handled are admitted to c once more, the d operation is carried out circular treatment, till whole expanded cut stems dimensional requirement all up to specification.
At the cigarette process regulation and stipulation: the water content of expanded cut stem is 12.5～14.5%, and the anti-working ability of expanded cut stem is poor under this water content condition, easily makes broken.Handle and spare silk, essence is one long filament is broken into the process of short silk that therefore in even silk processing procedure, expanded cut stem must bear bigger mechanical force, has the broken problem of making inevitably.Broken excessive as if making, must cause the bigger waste of cigar mill, this also is that cigar mill is unacceptable.
For avoiding the generation of above-mentioned situation, reduce broken rate, the even silk process described in the present invention adopts the method for circular treatment, and expanded cut stem is carried out repeatedly fragmentation, makes even silk process soft as far as possible.If the sieve diameter of vibratory sieve is 4.75mm, the size Control of so even silk process should be greater than the sieve diameter (as 6.5mm) of vibratory sieve, after long filament is handled through even silk, must reach the given size requirement by some expanded cut stem, and other a part of expanded cut stem does not reach the given size requirement, pass through vibratory sieve once more, the expanded cut stem of dimensional requirement up to specification is separated with the expanded cut stem of against regulation dimensional requirement, the expanded cut stem of against regulation dimensional requirement is spared silk once more to be handled, so circulation, in each even silk processing procedure, must reach the given size requirement by some expanded cut stem, up to whole expanded cut stems dimensional requirement all up to specification.Though the even silk processing procedure in the inventive method is cyclic process, in fact this even silk method has reduced the intensity of expanded cut stem break process, has reached the minimizing expanded cut stem and has made broken purpose.
Major advantage of the present invention is: increase screening and even silk device can effectively improve homogeneity of stalk shreds after drying, improve the comprehensive quality of Cigarette, under the constant substantially prerequisite of whole cut rate, this method can be reduced to the above long filament rate of 4.75mm proportion below 1% from about 25%, the uniformity that cuts filler in cigarette props up strengthens, and cigarette props up the resistance to suction fluctuation significantly to be reduced.
Description of drawings
Fig. 1 is a process route chart of the present invention.
Fig. 2 is a kind of even silk treatment facility that is applicable to the inventive method.
Fig. 3 is the enlarged drawing of even silk device among Fig. 2.
Among Fig. 2,3: 1, conveying equipment, 2, even silk device, 2-1, motor, 2-2, rotor, are forged a knife 2-4, frame hurdle at 2-3,2-5, web plate, 2-6, discharge bucket, 2-7, housing, 3, pneumatic separator, 3-1, vertical air channel, 3-2, conveyer belt, 3-3, selection by winnowing casing, 3-4, discharging gas lock, 4, discharging equipment, 5, vibratory sieve, 5-1, compass screen surface.
The specific embodiment
The present invention describes in further detail below with reference to embodiment (accompanying drawing).
As shown in Figure 1, the method for raising homogeneity of stalk shreds of the present invention may further comprise the steps: a, offal is cut into silk; B, the stem that cuts into handled with drying process by expanding after, make it to form expanded cut stem; C, expanded cut stem is sent into selection by winnowing removal of impurities operation carry out removal of impurities and purify; It is that the vibratory sieve of 4.75mm sieves processing that d, the expanded cut stem after removal of impurities purified are sent into sieve aperture, the expanded cut stem of handling by screening is divided into two parts, the expanded cut stem of dimensional requirement up to specification is sent into next procedure, and the expanded cut stem of keeping somewhere the against regulation dimensional requirement on screen cloth is that long filament is left; E, the long filament that stays is sent into even wire process carry out break process; F, the expanded cut stem after even wire process is handled are admitted to c once more, the d operation is carried out circular treatment, till whole expanded cut stems dimensional requirement all up to specification.
As shown in Figure 2, described even silk treatment facility comprises conveying device 1, even silk device 2, pneumatic separation device 3, drawing mechanism 4, vibratory sieve 5; The discharging opening of the discharge end of described conveying device 1 and even silk device 2 is connected with the selection by winnowing casing 3-3 of pneumatic separation device 3 by vertical air channel 3-1; Vibratory sieve 5 is positioned at the below of the discharging gas lock 3-4 of pneumatic separation device 3, and the discharging opening that is arranged on the mass transport base plate of vibratory sieve compass screen surface 5-1 below links to each other with discharging equipment 4, and the discharge end of vibratory sieve compass screen surface 5-1 links to each other with the charging aperture of even silk device 2.
As shown in Figure 3, rotation fragmentation cutter group, frame hurdle 2-4, web plate 2-5, the parts such as discharge bucket 2-6, housing 2-7 mainly formed by motor 2-1, by the rotor 2-2 and the 2-3 that forges a knife of described even silk device 2 are formed.Above housing 2-7, be provided with the charging aperture that links to each other with the discharge end of vibratory sieve compass screen surface 5-1, the rotor 2-2 that is driven by motor 2-1 is installed on the housing 2-7 by bearing block, surrounding rotor 2-2 is installed with the 2-3 that forges a knife of some quantity in uniform mode, be installed with arc web plate 2-5 by the frame hurdle 2-4 that is positioned at below the housing in housing 2-7, arc web plate 2-5 and rotor 2-2 are installed in the housing 2-7 in the concentric mode; The below of frame hurdle 2-4 is provided with is equipped with discharge bucket 2-6, and discharge bucket 2-6 links to each other with the vertical air channel 3-1 of pneumatic separator 3; Discharge bucket 2-6 constitutes the air channel with housing 2-7, in vertical air channel 3-1 under the effect of negative pressure, from (charging aperture) suitable for reading of housing 2-7, formed one air-flow via rotor 2-2, frame hurdle 2-4, discharge bucket 2-6 to vertical air channel 3-1, and this air-flow is consistent with the direction of motion of expanded cut stem.
Operation principle of the present invention is as follows:
At first offal is cut into silk, after afterwards the stem that cuts into being handled by expansion and drying process, make it to form expanded cut stem; Form expanded cut stem and send into 3 pairs of expanded cut stems of pneumatic separator by conveying equipment 1 and carry out selection by winnowing removal of impurities processing through overexpansion and the dry back of handling; After expanded cut stem enters pneumatic separator 3, in vertical air channel 3-1, finish the flotation removal of impurities, the foreign matter that mass density is big is signed to wait as stalk and fall and discharge pneumatic separator 3 from vertical air channel 3-1, vertical air channel 3-1's qualified expanded cut stem rises in wind-force effect lower edge, enter selection by winnowing casing 3-3, expanded cut stem and flow separation then, expanded cut stem drops on the conveyer belt 3-2, conveyer belt 3-2 directly drops on the compass screen surface 5-1 of vibratory sieve 5 after expanded cut stem is sent pneumatic separator 3 via discharging gas lock 3-4, be covered with sieve aperture on the compass screen surface 5-1 of vibratory sieve 5, the dimensional structure of sieve diameter decision finished product expanded cut stem, sieve diameter can determine that the sieve diameter that present embodiment adopts is 4.75mm according to arts demand.Under the effect of vibratory sieve 5, expanded cut stem moves ahead along the compass screen surface 5-1 of vibratory sieve 5, expanded cut stem less than sieve diameter, be considered to reach the dimensional requirement of regulation, 5-1 leaks down from compass screen surface, drops on the base plate of vibratory sieve 5, and continues to move ahead on the base plate of vibratory sieve 5, front opening place until vibratory sieve 5 falls, and sends into next procedure by discharging equipment 4; Greater than the expanded cut stem of sieve diameter, be considered to not reach the dimensional requirement of regulation, can not leak down from compass screen surface 5-1,5-1 moves ahead along compass screen surface, sends into even silk device 2 by vibratory sieve 5 and spares the silk processing.Expanded cut stem is screened into two parts like this, and the expanded cut stem size of sending into even silk device 2 comprises the size of length direction and the size of width all greater than the regulation requirement.
After expanded cut stem is sent into even silk device 2 by vibratory sieve 5, under the effect of deadweight and air-flow, to the operation of the below of even silk device 2.In even silk device 2, motor 2-1 drives rotor 2-2 and rotates at a high speed, when expanded cut stem through out-of-date, the 2-3 that forges a knife on the rotor 2-2 impacts expanded cut stem at a high speed, and with the expanded cut stem fragmentation, the expanded cut stem after the fragmentation drops on the frame hurdle 2-4, when the size of expanded cut stem goes up the mesh size of web plate 2-5 less than frame hurdle 2-4, expanded cut stem falls from the mesh of web plate 2-5,, is fallen until the mesh from web plate 2-5 by further broken greater than the expanded cut stem of the mesh size of web plate 2-5.
For reduce make broken, the mesh size of web plate 2-5 should be greater than the sieve diameter on the compass screen surface 5-1 of vibratory sieve 5, the sieve diameter of the vibratory sieve 5 that present embodiment adopts is 4.75m, mesh diameter adopts 6.5mm, though it is broken and from the expanded cut stem that the mesh of web plate 2-5 falls through the 2-3 that forges a knife, the size of demi-inflation stem is still greater than the sieve diameter of vibratory sieve 5, do not reach the technological requirement that even silk is handled, but because mesh strengthens, reached that the expanded cut stem of technological requirement is then easier to be fallen from the mesh of web plate 2-5, avoid being subjected to forging a knife excessively the impacting of 2-3, therefore, this part expanded cut stem is fallen from the mesh of web plate 2-5 as early as possible, can avoid making of expanded cut stem in the even silk process broken to greatest extent.
Under the effect of air-flow, help expanded cut stem after the 2-3 that forged a knife impacts fragmentation for downward suction of expanded cut stem, this suction, fall from the mesh of web plate 2-5.
The expanded cut stem that falls from the mesh of web plate 2-5, enter discharge bucket 2-6, under the effect of air-flow, further enter vertical air channel 3-1, with do not mix by the follow-up expanded cut stem of handling of sending into pneumatic separator 3 of conveying equipment 1 through screening and even silk, vertical air channel 3-1 rises in wind-force effect lower edge then, vertical air channel 3-1 finishes the removal of impurities of follow-up expansion stem selection by winnowing is handled in this process, the two-way expanded cut stem enters selection by winnowing casing 3-3 together then, via conveyer belt 3-2, discharging gas lock 3-4 sends pneumatic separator 3, drop on the compass screen surface 5-1 of vibratory sieve 5, sieve, through even silk handle and follow-up expanded cut stem in the qualified expanded cut stem of size send into next procedure by discharging equipment 4, do not reach the long filament of expanded cut stem in the follow-up expansion stem of dimensional requirement through even silk processing, send into even silk device 2 by vibratory sieve 5, spare silk and handle.
Form the even silk of circulation system by even silk device 2, pneumatic separator 3, vibratory sieve 5 like this, the expanded cut stem of against regulation dimensional requirement is handled through the even silk of one or many, finally reach requirement, and make the requirement of the dimensional structure production of cigarettes of product expanded cut stem.Form the even silk of circulation system by even silk device 2, pneumatic separator 3, vibratory sieve 5, the process that impacts to expanded cut stem in even silk process is soft relatively, what expanded cut stem was subjected to impacts number of times relatively still less, though can not avoid making broken fully, but, can will make broken being controlled in the acceptable scope, reach under the low condition of expanded cut stem water content, improve the purpose of homogeneity of stalk shreds.
Described conveying equipment 1, pneumatic separator 3, discharging equipment 4, vibratory sieve 5 are even to be known commercially available prod to be the common equipment that tobacco produces.
Claims (1)
1, a kind of method that improves homogeneity of stalk shreds, this method may further comprise the steps: a, offal is cut into silk; B, the stem that cuts into handled with drying process by expanding after, make it to form expanded cut stem; C, expanded cut stem is sent into selection by winnowing removal of impurities operation carry out removal of impurities and purify, it is characterized in that: d, the expanded cut stem after removal of impurities purified are sent into sieve diameter and are sieved processing greater than 3.35mm and smaller or equal to the vibratory sieve of 4.75mm, the expanded cut stem of handling by screening is divided into two parts, the expanded cut stem of dimensional requirement up to specification is sent into next procedure, and the expanded cut stem of keeping somewhere the against regulation dimensional requirement on screen cloth is that long filament is left; E, the long filament that stays is sent into even wire process carry out break process; F, the expanded cut stem after even wire process is handled are admitted to c once more, the d operation is carried out circular treatment, till whole expanded cut stems dimensional requirement all up to specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710054068 CN101019688A (en) | 2007-03-16 | 2007-03-16 | Method of raising the homogeneity of stalk shreds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710054068 CN101019688A (en) | 2007-03-16 | 2007-03-16 | Method of raising the homogeneity of stalk shreds |
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| CN101019688A true CN101019688A (en) | 2007-08-22 |
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| CN 200710054068 Pending CN101019688A (en) | 2007-03-16 | 2007-03-16 | Method of raising the homogeneity of stalk shreds |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238923A (en) * | 2013-05-26 | 2013-08-14 | 红塔烟草(集团)有限责任公司 | Method and device for improving purity of stalk filament prepared through microwave expansion |
| CN106418655A (en) * | 2016-11-23 | 2017-02-22 | 河南中烟工业有限责任公司 | Tobacco stem length homogenizing device |
| CN106853454A (en) * | 2015-12-09 | 2017-06-16 | 上海烟草集团有限责任公司 | A kind of waste tobacco leaf fragmentation classified use device |
| CN112021640A (en) * | 2020-08-20 | 2020-12-04 | 红云红河烟草(集团)有限责任公司 | Processing technology for improving proportion of filamentous cut stems |
-
2007
- 2007-03-16 CN CN 200710054068 patent/CN101019688A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238923A (en) * | 2013-05-26 | 2013-08-14 | 红塔烟草(集团)有限责任公司 | Method and device for improving purity of stalk filament prepared through microwave expansion |
| CN106853454A (en) * | 2015-12-09 | 2017-06-16 | 上海烟草集团有限责任公司 | A kind of waste tobacco leaf fragmentation classified use device |
| CN106853454B (en) * | 2015-12-09 | 2020-03-31 | 上海烟草集团有限责任公司 | Discarded tobacco leaf fragmentation and classification utilization device |
| CN106418655A (en) * | 2016-11-23 | 2017-02-22 | 河南中烟工业有限责任公司 | Tobacco stem length homogenizing device |
| CN106418655B (en) * | 2016-11-23 | 2018-03-27 | 河南中烟工业有限责任公司 | A kind of offal length Homogenization Treatments device |
| CN112021640A (en) * | 2020-08-20 | 2020-12-04 | 红云红河烟草(集团)有限责任公司 | Processing technology for improving proportion of filamentous cut stems |
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Open date: 20070822 |