CN101444327A - Tobacco online expansion and treatment device, equipment system and processing method thereof - Google Patents
Tobacco online expansion and treatment device, equipment system and processing method thereof Download PDFInfo
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- CN101444327A CN101444327A CNA2008102432269A CN200810243226A CN101444327A CN 101444327 A CN101444327 A CN 101444327A CN A2008102432269 A CNA2008102432269 A CN A2008102432269A CN 200810243226 A CN200810243226 A CN 200810243226A CN 101444327 A CN101444327 A CN 101444327A
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Abstract
The invention provides a tobacco online expansion and treatment device for carrying out online continuous treatment at a lower temperature by utilizing low-cost overvoltage working gases, an equipment system and a corresponding processing method thereof. The tobacco online expansion and treatment device is an expansion air lock with a feed inlet and a discharge hole; and an air inlet communicated with an overvoltage thermal gas source is formed on an expansion air lock casing. The invention realize the online continuous treatment of tobacco instantaneous pressure release expansion conveniently and effectively and simplifies the tobacco online expansion and treatment equipment system by utilizing the expansion air lock with good sealing performance as the tobacco online expansion and treatment device. Meanwhile, compared with the prior tobacco expansion processing method, the invention not only has the advantage of low cost of working media, but also greatly reduces the operating temperature during the expansion and treatment, and is favorable for low-temperature flavor protection.
Description
Technical field:
The present invention relates to a kind of tobacco expanding treatment system and equipment, relate in particular to a kind of tobacco online expansion treating apparatus and device systems that utilizes heated air such as overvoltage steam or hot-air to carry out serialization pipe tobacco expanding processing.
The invention still further relates to a kind of above-mentioned tobacco online expansion treatment facility system that adopts and carry out the method that tobacco online expansion is handled.
Background technology:
China is the country based on Virginian-type cigarette, compares with external blended type cigarette, and Flue-cured Tobacco in China type cigarette tar content is higher relatively, and for reducing the tar content of Virginian-type cigarette, expanded cut tobacco falls burnt technology and obtained popularization.Pipe tobacco is after expanding, and it is big that volume becomes, and the filling value increases, mix in the cigarette composition with certain proportion, by reducing individual cigarette weight, increase suction and quiet combustion speed, reducing puff number, not only can reduce the production of cigarettes cost, and harm reduction has positive effect to reducing cigarette tar and reducing.
In the currently used tobacco expanding technology, what comparatively popularize is carbon dioxide tobacco expanding technology, freon tobacco expanding technology and nitrogen tobacco expanding technology, wherein uses the most general with carbon dioxide tobacco expanding technology.More than the tobacco expanding rate of these tobacco expanding technology higher, general tobacco fill value can reach more than 50%, but the broken rate height of pipe tobacco, the pipe tobacco loss is bigger, the pipe tobacco fragrance loss is big, withered and burnt smell is heavy, flue gas drying, the complex process of these technology of while, cost of equipment maintenance and production cost are higher.
Patent 200510010637.X has announced that a kind of is the tobacco expanding process of medium with water.This method is in batches with the moisture of pipe tobacco humidification to 20%-30%, with the high temperature gas flow of pipe tobacco by 250 ℃-360 ℃, makes the moisture 6%-13% of dropping to of pipe tobacco again, impels pipe tobacco to produce in the process of pipe tobacco fast dewatering and expands.The tobacco fill value that this method expands is lower, and expansion rate is the highest can only to be reached about 20%.And the temperature of its dehydration expansion process reaches 250 ℃-360 ℃, is unfavorable for the maintenance of pipe tobacco fragrance.
Patent 200720029527.2 has been announced the method and apparatus that expands a kind of Wen of utilization principle expands to pipe tobacco.Utilize Wen's principle that expands, promptly by moment release of pressure pipe tobacco produce to be expanded, can reduce the expansion process temperature, help reducing destruction to pipe tobacco material fragrance, but require to have higher expansion process pressure simultaneously, in order to guarantee enough expansion process pressure, the charging and discharging mouth of the disclosed corresponding expansion gear of this patent all need be provided with seal valve.Therefore this device can not be realized continuous feed; its discharging also is difficult to realize continuously; it also need add a pipe tobacco output device in the operating pressure jar simultaneously; can not avoid the broken rate of pipe tobacco material in processing procedure further to increase like this; also add simultaneously the manufacture difficulty and the maintenance cost of large equipment, be difficult to realize large-scale industrial production.
Be to reduce broken rate, patent 200720029526.8 also provides a kind of tobacco expanding equipment of static state, and this device structure is simple, but needs to be aided with a large amount of artificial in the production process, and can not realize continuous production.
In addition, when patent 200720029527.2 and patent 200720029526.8 are carried out every batch of tobacco expanding, all need emptying pressurization storehouse steam, air consumption is big, and energy waste is serious.
Summary of the invention:
Technical problem to be solved by this invention provides a kind of low-cost overvoltage hot gas that utilizes, and carries out the tobacco online expansion treating apparatus of on-line continuous processing at a lower temperature.
Tobacco online expansion treating apparatus of the present invention is one to have the expansion gas lock of charging aperture and discharging opening, and the rotation disc top of expansion gas lock is equiped with the movable sealing plate of radiai adjustment automatically; Expansion gas lock housing is provided with the air inlet that is communicated with the overvoltage hot gas source; The center line of described charging aperture and discharging opening all becomes angle with the median vertical line of expansion gas lock, and discharging opening deflection supplied materials mouth direction; In the rotation disc rotary course of expansion gas lock, respectively have at least more than one disc isolated between air inlet and the charging aperture and between air inlet and the discharging opening.
Described movable sealing plate, it can be the web pattern that the CN200620165029.6 patent is provided, that is: offer groove at the disc top of expansion gas lock dress, install holddown spring in the groove, holddown spring props up the bottom of inserting the rigid seal slide plate in the groove, drop bar is by the pressing plate clamping that is fixed on the disc top, and drop bar withstands on the inner cancave cambered surface in valve casing chamber by being installed in the spring compression of its bottom.
In order further to strengthen of the sealing of expansion gas lock to the overvoltage hot gas that inner chamber fed, the rotatory sealing valve arrangement that can realize radial seal and axial seal simultaneously that the present invention also can adopt CN200720044702.5 to provide, promptly in the disc top of expansion gas lock installing movable sealing plate, the end play autocompensation installation is set on the side plate of expansion gas lock housing, and its basic structure is as described in the CN200720044702.5.The expansion gas lock in the course of the work, when the expansion gas lock causes each parts of valve body to expand with heat and contract with cold because of variations in temperature, the radial clearance autocompensation installation can keep in touch the drop bar of the disc top end of star rotor with the valve casing cavity wall, the end play autocompensation installation guarantees the both sides sealing of star rotor, can gap or clamping stagnation not occur because of expanding or shrinking.Simultaneously, adopt this clearance automatic compensation device, the problem that can further avoid sealing part abrasion easily to lose efficacy reduces because of changing the shutdown maintenance number of times that seal must carry out.
The present invention directly adopts the expansion gas lock as the expansion process device, has realized the continuous processing of tobacco online expansion easily.Simultaneously for solving the sealing problem of gas lock to overvoltage gas, on the rotation disc of expansion gas lock and side plate, designed self-adjustable radially movable sealing plate and axial seal coil structures, guaranteed that tobacco expanding handles required operating pressure.
In addition, for the anti-processability of the pipe tobacco that further solves cigarette manufacturing enterprise 10%-13% moisture is low, easily make broken problem, as preferred version, the angle of the center line of described charging aperture and expansion gas lock median vertical line is between 0 °-60 °, and discharging opening is partial to the supplied materials direction.If still keep the vertical feed inlet and outlet structure of existing gas lock, so, when pipe tobacco drops on the shell inner surface of expansion gas lock because of deadweight, promote the pipe tobacco rotation by disc, pipe tobacco just may be made broken because of the rubbing of disc top and shell inner surface, even pipe tobacco can clamping stagnation between disc top and shell inner surface, it is broken not only to cause pipe tobacco to make, and also can influence the sealing of gas lock internal over pressure gas.The present invention can guarantee under self-gravity action, can rest on the zone between two disc in the pipe tobacco rotation course of conveying by changing the position of feed inlet and outlet, and the pipe tobacco that reduces in the gas lock course of conveying is made broken.In addition, the change of the position of feed inlet and outlet, also guaranteed in the process of gas lock rotor rotation, remained the sealing that has at least more than one disc to realize the gas lock cavity between air inlet and charging aperture, air inlet and the discharging opening, maintenance with the overvoltage gas pressure helps expanding.
Another technical problem to be solved by this invention provides a kind of online expanded system of pipe tobacco that includes above-mentioned tobacco online expansion treating apparatus.
Tobacco expanding treatment system of the present invention comprises tobacco expanding treating apparatus, hot blast calibrator, material air separation; Described tobacco expanding treating apparatus, hot blast calibrator and material air separation are connected successively; Described tobacco expanding treating apparatus is foregoing expansion gas lock.
Described hot blast calibrator comprises drying duct, the air heater and the blower fan of hot blast is provided to drying duct.Described drying duct adopts impulse type airflow drying tube and the form that back taper type airflow drying tube combines, the typing effect that is beneficial to keep dry, and the length of shortening airflow drying tube.Described impulse type airflow drying tube is meant the drying tube that caliber alternately enlarges and dwindles, and employing impulse type airflow drying tube can make pipe tobacco constantly be accelerated in drying tube along with air-flow and slow down; Described back taper type airflow drying tube is meant the drying tube that caliber enlarges gradually along airflow direction, and the interior air velocity of pipe is reduced gradually, increases the time of staying of pipe tobacco in drying tube.
Described material steum separating device comprises the commentaries on classics net formula material steam separator of material gas separation bin and one or more parallel connection, changes net formula material steam separator and is arranged on material gas separation bin upper end, and be interconnected.Separate and change the combination that net formula material vapour gas separates by the whirlwind blanking, realize that material vapour separates, reduce the sinking speed of pipe tobacco in the separation process of material gas, help reducing pipe tobacco and make brokenly, can obtain higher material gas separative efficiency simultaneously.
When reality is used, moisture is that 10%-13% pipe tobacco material is sent into expansion gas lock charging aperture by auxilliary connection equipment, pressure is 0.1MPa-0.8Mpa, temperature is that 100 ℃-260 ℃ overvoltage hot gas (water vapour or air) is sent into the expansion gas lock by air inlet, pipe tobacco with gas lock disc lattice when discharging opening rotates, carry out sufficient heat exchange with the gas lock gas inside, the fiber air chamber of pipe tobacco is activated, in the gas lock exit, unlatching along with disc, pipe tobacco is inflated when being discharged into atmospheric pressure environment suddenly by overpressure conditions, pipe tobacco is transported to material gas separation bin at the drive lower edge of hot blast drying tube then, pipe tobacco after material gas separates is from the output of discharging gas lock, and hot blast is collected the back circulation by the commentaries on classics net material steam separator of top, material gas separation chamber and added heat utilization.
Another technical problem to be solved by this invention provides a kind of low-cost overvoltage hot gas that utilizes, and carries out the tobacco expanding processing method of on-line continuous processing at a lower temperature.
Tobacco online expansion processing method of the present invention comprises tobacco expanding, pipe tobacco typing and pipe tobacco moisture regain treatment process; Described tobacco expanding treatment process is: with moisture content is 10%-13% pipe tobacco supplied materials, sends into the import of expansion gas lock; Pipe tobacco with expansion gas lock disc lattice when discharging opening rotates and the overvoltage hot gas of expansion gas lock inside carry out heat exchange; In the exit of expansion gas lock, along with the unlatching of expansion gas lock disc, pipe tobacco by moment release of pressure expand.
Overvoltage hot gas of the present invention can be overvoltage steam or overvoltage hot-air, and as preferred version, the pressure of overvoltage steam or overvoltage hot-air is 0.1MPa-0.8Mpa, and temperature is 100 ℃-260 ℃.
Simultaneously, pipe tobacco should carry out sufficient heat exchange with the overvoltage hot gas of gas lock inside, but long between also unseasonable, can there be expansion process effect preferably the time that pipe tobacco stops in the expansion gas lock at 4-20 seconds.
The present invention utilizes a kind of steam of overvoltage cheaply or overvoltage hot-air, realizes tobacco expanding under the state that certain pressure changes.Utilization of the present invention has the expansion gas lock of excellent sealing as the tobacco expanding treating apparatus, has realized the on-line continuous processing processing that pipe tobacco moment release of pressure expands effectively.Compare with existing tobacco expanding processing method, the present invention not only working media is with low cost, and the operating temperature during expansion process reduces greatly, helps low temperature and protects fragrant.
As further improvement, pipe tobacco typing treatment process of the present invention can be: the back pipe tobacco that expands is under the drive of 100 ℃ of-160 ℃ of hot blasts, to enter pulsed pneumatic drying pipe and back taper airflow drying tube, by heated-air drying and shaping in temperature.The dryness finalization of pipe tobacco after the form that adopts the impulse type airflow drying tube to combine with back taper type airflow drying tube expands, the back pipe tobacco that expands constantly is accelerated in drying tube along with air-flow earlier and slows down, this typing effect that helps keeping dry improves dryness finalization efficient.
To sum up, the present invention has the following advantages:
1, adopts the overheated working gas of overvoltage that pipe tobacco is implemented to expand, combine the advantage of pressure and temperature expanded cut tobacco, under lower temperature and lower pressure, realized the expansion of pipe tobacco.
2, by the pressure and temperature of control working gas, control the expansion rate of pipe tobacco indirectly, realized the controllability of tobacco expanding rate, it is broken to have reduced making of expanded cut tobacco.
3, the gas that is used for expanded cut tobacco is ordinary hot air or steam, has realized low-cost expanded cut tobacco.
4, device systems has used cyclone feeder and the combination that rotary drum material gas separates, and has reduced the sinking speed of pipe tobacco in the separation process of material gas, has reduced pipe tobacco and has made broken.
5, the device systems overall structure is simple, has reduced equipment cost and energy consumption.
Description of drawings:
Be described further with regard to technology contents of the present invention below in conjunction with accompanying drawing:
Fig. 1: tobacco online expansion treating apparatus structural representation of the present invention;
Fig. 2: tobacco expanding treatment facility system architecture schematic diagram of the present invention;
Fig. 3: tobacco expanding processing method process flow diagram of the present invention.
The specific embodiment:
As shown in Figure 1, the tobacco online expansion treating apparatus is an expansion gas lock 7.As preferred embodiment, described expansion gas lock 7 comprises charging aperture 7-1, housing 7-2, air inlet 7-4, rotation disc 7-5, discharging opening 7-6; The axis of the center line of charging aperture 7-1 and expansion gas lock 7 is 30 ° of-45 ° of angles; Discharging opening 7-6 deflection supplied materials mouth direction; Rotation disc 7-5 top is provided with movable sealing sheet 7-3; Air inlet 7-4 is communicated with the overvoltage hot gas source.
During 7 work of expansion gas lock, direction of rotation direction shown in " M " arrow among Fig. 1 of its rotation disc 7-5, to guarantee in the process of gas lock rotor rotation, remain the sealing that has at least one or more above disc to realize the gas lock cavity between air inlet and charging aperture, air inlet and the discharging opening, with the maintenance that is more conducive to expand with the overvoltage gas pressure, guarantee that the expansion gas lock can provide the enough needed pressure of tobacco expanding in the moment that discharging opening discharges gas, tobacco mixture.
As shown in Figure 2, tobacco expanding treatment facility of the present invention system comprises tobacco expanding treating apparatus, hot blast calibrator, material air separation.Described tobacco expanding treating apparatus, hot blast calibrator and material air separation are connected successively; Described tobacco expanding treating apparatus is one to have the expansion gas lock 7 of excellent sealing as previously mentioned.
As shown in Figure 2, described hot blast calibrator comprises the blower fan 10 of back taper drying tube 5, impulse drying pipe 6, gas heater 9 and band humidity discharging mouth, and impulse drying pipe 6 one ends are connected with expansion gas lock discharging opening 7-6, and the other end is connected with back taper pipe 5; Gas heater 9 feeds temperature in impulse drying pipe 6 be 100 ℃-260 ℃ xeothermic gas, and intend being heated gas by blower fan 10 circulation inputs.
As shown in Figure 2, described material air separation comprises discharging gas lock 1, backwind tube 2, changes net feeder 3, expects gas separation bin 4, ash fall device 8, wherein, changes net feeder 3 and can be made up of one or more groups.Ash fall device 8 is made up of air inlet 8-1, ash discharge piston 8-2, filter screen 8-3, gas outlet 8-4, ash hole 8-5 several sections.
The said equipment system in use, pipe tobacco is sent into expansion gas lock charging aperture 7-1 by auxilliary connection equipment, pressure is that 100 ℃-260 ℃ the hot compressed gas of crossing is sent into the expansion gas lock by air inlet 7-4 for the 0.1MPa-0.8MPa temperature, pipe tobacco is with rotating disc 7-5 when discharging opening 7-6 rotates, carry out sufficient heat exchange with the gas lock gas inside, the fiber air chamber of pipe tobacco is activated, at gas lock outlet 7-6 place, unlatching along with rotation disc 7-5, pipe tobacco is inflated when being discharged into atmospheric pressure environment suddenly by overpressure conditions, pipe tobacco enters back taper pipe 5 at the drive lower edge of hot blast impulse drying pipe 6 and is transported to material gas separation bin 4 then, pipe tobacco after material gas separates is from 1 output of discharging gas lock, hot blast is under the swabbing action of blower fan 10, collect the back by the commentaries on classics net feeder 3 of material gas separation bin 4 tops and remove dust through ash fall device 8 by backwind tube 2, recycling behind the discharge section moisture by gas heater 9 heating backs.
As shown in Figure 3, the technological process of using the present invention to carry out tobacco expanding comprises following step:
One, pipe tobacco preliminary treatment
The handled moisture of the present invention is 10%-13% pipe tobacco material, can be obtained by dual mode:
(1) obtains by the direct chopping of the blade behind the microwave tobacco bale loosening;
(2) the leaf filament processing process by routine obtains.By the leaf filament processing process of routine, for example successively through section moisture regain, smoked sheet chopping, shredded tobacco baking operation, acquisition moisture is 18%-20% pipe tobacco material, by after microwave or the alternate manner baking, moisture in cut tobacco is reduced to 10%-13% again.
Two, carry out the expanded and pipe tobacco typing of pipe tobacco through pretreated pipe tobacco by device systems of the present invention.Be specially: pipe tobacco is sent into expansion gas lock charging aperture 7-1 by auxilliary connection equipment; Pressure is that 100 ℃-260 ℃ overvoltage hot gas is sent into the expansion gas lock by air inlet 7-4 for the 0.1MPa-0.8MPa temperature; Pipe tobacco is with rotating disc 7-5 when discharging opening 7-6 rotates, carry out sufficient heat exchange with the gas lock gas inside, the time that pipe tobacco stops in the expansion gas lock is 4-20 seconds, the fiber air chamber of pipe tobacco is activated, at gas lock outlet 7-6 place, along with the unlatching of rotation disc 7-5, pipe tobacco is inflated when being discharged into atmospheric pressure environment suddenly by overpressure conditions; Pipe tobacco is the combination drying pipe that enters impulse drying pipe 6 and back taper pipe 5 under the drive of 100 ℃ of-160 ℃ of hot blasts in temperature then, by heated-air drying and shaping, is transported to material gas separation bin 4 then, and the pipe tobacco after material gas separates is from 1 output of discharging gas lock.After expanded typing was handled, the moisture of pipe tobacco material decreased, and is generally about 5%-12%.For guaranteeing the heat exchanger time of pipe tobacco in the expansion gas lock, when the processing flow was 100-700Kg/h, the rotating speed of expansion gas lock was 10-20r/min.
Three, with the reinforced moisture 11%-13% that gets damp again of expanded cut tobacco.
Four, pipe tobacco stores, and mixing is mixed.
Claims (10)
1, a kind of tobacco online expansion treating apparatus is characterized in that: described tobacco online expansion treating apparatus is one to have the expansion gas lock of charging aperture and discharging opening; The center line of described charging aperture and discharging opening all becomes angle with the median vertical line of expansion gas lock, and discharging opening deflection supplied materials mouth direction; The expansion gas lock has the rotation disc and the gas lock housing that includes near the side plate of rotation disc both sides around its axis rotation; The gas lock housing is provided with the air inlet that is communicated with the overvoltage hot gas source; The rotation disc top of expansion gas lock is equiped with the movable sealing plate of radiai adjustment automatically; In the rotation disc rotary course of expansion gas lock, respectively have at least more than one disc isolated between air inlet and the charging aperture and between air inlet and the discharging opening.
2, tobacco online expansion treating apparatus as claimed in claim 1 is characterized in that: the side plate of expansion gas lock housing is provided with the end play autocompensation installation.
3, as claim 1 or 2 described tobacco online expansion treating apparatus, it is characterized in that: the angle of the center line of described charging aperture and the vertical RADIAL of expansion gas lock is less than or equal to 60 ° greater than 0 °.
4, a kind of tobacco expanding treatment facility system comprises tobacco expanding treating apparatus, hot blast calibrator, material air separation; Described tobacco expanding treating apparatus, hot blast calibrator and material air separation are connected successively; It is characterized in that: described tobacco expanding treating apparatus is claim 1,2 or 3 described tobacco online expansion treating apparatus.
5, tobacco expanding treatment facility as claimed in claim 4 system, it is characterized in that: described hot blast calibrator comprises drying duct, the air heater and the blower fan of hot blast is provided to drying duct; Wherein, described drying duct comprises the pipeline of being made up of impulse type airflow drying tube and back taper type airflow drying tube.
6, as claim 4 or 5 described tobacco expanding treatment facility systems, it is characterized in that: described material steum separating device comprises the commentaries on classics net formula material steam separator of material gas separation bin and one or more parallel connection, change net formula material steam separator and be arranged on material gas separation bin upper end, and be interconnected.
7, a kind of tobacco online expansion processing method comprises tobacco expanding, pipe tobacco typing and pipe tobacco moisture regain treatment process; It is characterized in that: described tobacco expanding treatment process is: with moisture content is 10%-13% pipe tobacco supplied materials, sends into the import of expansion gas lock; Pipe tobacco with expansion gas lock disc lattice when discharging opening rotates and the overvoltage hot gas of expansion gas lock inside carry out heat exchange; In the exit of expansion gas lock, along with the unlatching of expansion gas lock disc, pipe tobacco by moment release of pressure expand.
8, tobacco online expansion processing method as claimed in claim 7 is characterized in that: the pressure of the overvoltage hot gas of expansion gas lock inside is 0.1MPa-0.8Mpa, and temperature is 100 ℃-260 ℃.
9, tobacco online expansion processing method as claimed in claim 8 is characterized in that: the time that the overvoltage hot gas of pipe tobacco and gas lock inside carries out heat exchange is 4-20 seconds.
10, as claim 7,8 or 9 described tobacco online expansion processing methods, it is characterized in that: described pipe tobacco typing treatment process is: the back pipe tobacco that expands is under the drive of 100 ℃ of-160 ℃ of hot blasts in temperature, enter the drying duct that includes impulse drying pipe and back taper drying tube, by heated-air drying and shaping.
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| CN2008102432269A CN101444327B (en) | 2008-12-26 | 2008-12-26 | Tobacco online expansion and treatment device, equipment system and processing method thereof |
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| CN2008102432269A CN101444327B (en) | 2008-12-26 | 2008-12-26 | Tobacco online expansion and treatment device, equipment system and processing method thereof |
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| CN101444327B CN101444327B (en) | 2011-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102907758A (en) * | 2011-08-03 | 2013-02-06 | 北京航天试验技术研究所 | Expanding method of vacuum microwave tobacco shreds |
| CN103263076A (en) * | 2013-05-16 | 2013-08-28 | 湖南中烟工业有限责任公司 | Device for recovering tobacco from leaf-containing stems through grinding and separation |
| CN105639712A (en) * | 2016-03-24 | 2016-06-08 | 红云红河烟草(集团)有限责任公司 | Temperature-increasing and pressure-increasing pipeline type moisture regaining system for drying head and tail of cut tobacco |
| CN108840478A (en) * | 2018-07-10 | 2018-11-20 | 白忠海 | A kind of environment-friendly metal waste liquid recovery apparatus |
| CN112369640A (en) * | 2020-11-23 | 2021-02-19 | 湖北中烟工业有限责任公司 | Tobacco leaf raw material for heating non-combustible cigarette and treatment method thereof |
| CN113198625A (en) * | 2021-05-31 | 2021-08-03 | 江西理工大学 | High-efficient many cones swirler |
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| CN106839753B (en) * | 2016-12-30 | 2018-10-30 | 山东中烟工业有限责任公司 | A kind of guide cover structure suitable for pneumatic convey drier charging gas lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791942A (en) * | 1986-08-01 | 1988-12-20 | The American Tobacco Company | Process and apparatus for the expansion of tobacco |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102907758A (en) * | 2011-08-03 | 2013-02-06 | 北京航天试验技术研究所 | Expanding method of vacuum microwave tobacco shreds |
| CN103263076A (en) * | 2013-05-16 | 2013-08-28 | 湖南中烟工业有限责任公司 | Device for recovering tobacco from leaf-containing stems through grinding and separation |
| CN105639712A (en) * | 2016-03-24 | 2016-06-08 | 红云红河烟草(集团)有限责任公司 | Temperature-increasing and pressure-increasing pipeline type moisture regaining system for drying head and tail of cut tobacco |
| CN108840478A (en) * | 2018-07-10 | 2018-11-20 | 白忠海 | A kind of environment-friendly metal waste liquid recovery apparatus |
| CN108840478B (en) * | 2018-07-10 | 2021-09-17 | 苏州乐米凡电气科技有限公司 | Environment-friendly metal waste liquid recovery unit |
| CN112369640A (en) * | 2020-11-23 | 2021-02-19 | 湖北中烟工业有限责任公司 | Tobacco leaf raw material for heating non-combustible cigarette and treatment method thereof |
| CN113198625A (en) * | 2021-05-31 | 2021-08-03 | 江西理工大学 | High-efficient many cones swirler |
| CN113198625B (en) * | 2021-05-31 | 2022-05-27 | 江西理工大学 | High-efficient many cones swirler |
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| CN101444327B (en) | 2011-08-17 |
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