EP2026667A1 - Séchoir électrique pour sécher un produit de tabac fibreux - Google Patents

Séchoir électrique pour sécher un produit de tabac fibreux

Info

Publication number
EP2026667A1
EP2026667A1 EP07725547A EP07725547A EP2026667A1 EP 2026667 A1 EP2026667 A1 EP 2026667A1 EP 07725547 A EP07725547 A EP 07725547A EP 07725547 A EP07725547 A EP 07725547A EP 2026667 A1 EP2026667 A1 EP 2026667A1
Authority
EP
European Patent Office
Prior art keywords
tobacco
feed
tube
feed pipe
drying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07725547A
Other languages
German (de)
English (en)
Inventor
Torsten Grigutsch
Ullrich Bartsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2026667A1 publication Critical patent/EP2026667A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/12—Steaming, curing, or flavouring tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/103—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with specific material feeding arrangements, e.g. combined with disintegrating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/22—Tobacco leaves

Definitions

  • the invention relates to a current dryer for drying a fibrous tobacco product according to the preamble of claim I 3 and a corresponding drying method.
  • Such a current dryer for drying tobacco is known from EP 0 895 721 B1, wherein in the feed tube, a rotating conditioning roll is arranged with nozzle openings for generating water vapor or water jets for steaming or humidifying tobacco flowing through the feed pipe.
  • a rotating conditioning roll is arranged with nozzle openings for generating water vapor or water jets for steaming or humidifying tobacco flowing through the feed pipe.
  • the steaming or moistening of the tobacco for example, for the sake of influencing the taste, may be unfavorable.
  • the mechanical action of the conditioning roller on the tobacco for specific types of tobacco, for example expanded tobacco can lead to a reduction in quality.
  • a non-generic current dryer with a feed tube without conditioner is known from EP 0 969 749 B1.
  • the object of the present invention is to provide a current dryer with variable possibilities for handling the tobacco before it is introduced into the transport tube, wherein in particular an unfavorable effect of the conditioning device or conditioning medium on the tobacco is to be avoided.
  • the invention solves this problem by the means of claims 1 and 6. Due to the inventively provided further feed pipe, for example, an independent feed under other conditions than in the equipped with the conditioning device feed pipe done. Through the further feed pipe, the possibilities for the treatment of the tobacco can be extended prior to introduction into the transport tube.
  • the further feed tube may preferably be free of a conditioning device, whereby an unfavorable introduction of effect of a conditioning or conditioning medium can be avoided on certain types of tobacco.
  • either the conditioning equipped feed tube may be used if conditioning of the tobacco is desired by means of the conditioner, preferably closing the further feed tube, or the further feed tube may be used if conditioned the tobacco is not required or disadvantageous by means of the conditioning device, in which case the other feed tube is preferably closed.
  • both feed tubes may be used to feed the transport tube with tobacco in parallel.
  • the moist tobacco for example ribbed section
  • the process gas is deprived of energy in the form of temperature by the already registered tobacco due to its drying.
  • Tobacco with a lower moisture content, for example leaf cut, compared to the first tobacco introduced can be introduced through the downstream feed tube.
  • the conditioning medium used in the conditioning device may in particular be water vapor, preferably saturated steam, in order to achieve an optimum expansion effect, water, or a mixture thereof.
  • the conditioning effect is not limited to the expansion of tobacco.
  • the steam also other effects can be achieved in addition to or instead of the expansion effect, for example, drying the tobacco by using superheated steam or humidifying the tobacco by using moistened steam or water.
  • FIG. 2 shows a schematic representation of a current dryer according to a second embodiment in the region of the tobacco inlet
  • FIG 3 shows a schematic representation of a current dryer according to a third embodiment in the region of the tobacco inlet.
  • the flow dryer 10 includes a transport tube 1 1 for a hot gas stream 12, which is closed to form a circuit in itself.
  • the flow of the hot gas 12 is maintained by means of a compressor 13 arranged in the transport tube 11.
  • known means for heating the hot gas stream 12 and for supplying fresh heated gas in the transport tube 1 1 and for discharging spent gas from the transport tube 1 1 is provided.
  • a first feed tube 15 is provided, which opens into the transport tube 1 1, so that the mouth of the first feed tube 15 into the transport tube 1 1 a first tobacco inlet opening 14 in the transport tube 1 first forms.
  • a rotating roller 17 is arranged, which is referred to as Winnowerwalze.
  • the axis of rotation of the roller 17 is arranged substantially perpendicular to the flow direction of the tobacco through the feed pipe 15. In the figures, the axis of rotation of the roller 17 is arranged, for example, perpendicular to the plane of the paper.
  • the rotation roller 17 includes a hollow shaft 18 which is driven to rotate about the rotation axis.
  • the roller 17 preferably comprises axial rows of tine-shaped radial pins 19 which form rotating rakes in order to loosen or singulate the tobacco product 13 by mechanical action.
  • outlet nozzles are preferably distributed over the circumference and the width of the hollow shaft 18.
  • the hollow shaft 18 is acted upon from the inside with water vapor, which exits through the outlet nozzles in the form of water vapor jets 20, so that due to the rotation of the rotating roller 17 results in a rotating water vapor jet curtain.
  • the tobacco material 16 When using saturated steam, the tobacco material 16 is expanded as it passes through the radiation curtain. Further details can be taken from EP 0 895 721 B1. Alternatively or in addition to the outlet nozzles in the hollow shaft 18, outlet nozzles can be provided in the pins 19, which are then expediently designed as hollow pins.
  • the rotary roller 17 can be preceded by a rotary valve 21 with a cellular wheel 22.
  • a rotary feeder may be provided behind the rotation roller 17 to form a treatment space between the rotary valves.
  • the feed tube 15 comprises chamber-like widened sections for the rotation roller 17 and the cellular wheel 22.
  • the term “tube” is therefore by no means limited to a specific cross-sectional shape or to a fixed tube cross-section.
  • the tobacco material 16 enters the transport tube 1 1 a.
  • the hot gas stream 12 receives the incoming tobacco material 16 and transports it in the direction of the arrow through the drying tube 18. After passing through a vertical drying section 24, the dried tobacco is separated from the hot gas stream 12 in a separator 23.
  • a downstream additional feed pipe 25 is arranged downstream of the first feed pipe 15 in the flow direction. If necessary, a rotary feeder 26, but no conditioning device corresponding to the rotary roller 17, is provided in the second feed tube 25.
  • the mouth of the downstream feed pipe 25 is closed by means of a shut-off element 27, for example a slide.
  • Tobacco 16 is therefore introduced only through the first feed tube 15 in the dryer 10. This operating mode is particularly advantageous when the conditioning device 17 is used for conditioning the tobacco 16.
  • the first feed tube 15 may be provided by means of a corresponding obturator 28 indicated by dashed lines, for example a slide for closing the first inlet opening 14, and the downstream feed pipe 25 can be opened by opening the obturator 27 to make a supply of dashed tobacco tobacco 16 in the dryer 10 through the further feed pipe 25, bypassing the conditioning device 17.
  • both feed tubes 15, 25 may be opened in FIG. 1 to provide simultaneous feed through both feed tubes 15, 25.
  • This may be useful, for example, to introduce more moist tobacco 16 through upstream feed tube 15 and less wet tobacco 16 through downstream feed tube 25, such that the more moist tobacco on the route between the two feed tubes provides additional drying compared to the less moist one Tobacco learns.
  • the embodiment according to FIG. 2 differs from that according to FIG. 1 in that, instead of a downstream further feed pipe, a further feed pipe 29 arranged in the flow direction of the hot gas 12 is connected to the transport pipe 11. If necessary, a rotary feeder 30, but preferably no conditioning device corresponding to the rotary roller 17, is provided in the further feed tube 29.
  • the upstream feed pipe 29 is used to feed the dryer 10. In other modes, alternatively or additionally, the first feed tube 15 may be used to feed the dryer 10. If the upstream feed pipe 25 is not used, it is expediently closed by means of an associated obturator 31.
  • FIG. 3 illustrates that the invention is not limited to two feed tubes.
  • the invention is not limited to a conditioning device in the form of a rotatable roller. It may, for example, also be a space-fixed conditioning device, as known from DE-A 102004018879 act.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne un séchoir électrique servant à sécher un produit de tabac fibreux (16) comportant un tuyau de transport (11) traversé par un gaz de chauffage (12) et un tuyau d'alimentation (15) débouchant dans le tuyau de transport (11) servant à alimenter le tuyau de transport (11) en tabac (16), un dispositif de conditionnement (17) transmettant un matériau de conditionnement (20) étant disposé dans le tuyau d'alimentation (15), et se caractérise en ce que le séchoir électrique comporte au moins un autre tuyau d'alimentation (25 ; 29) débouchant dans le tuyau de transport (11) pour alimenter le tuyau de transport (11) en tabac (16). L'invention concerne en outre un procédé de séchage correspondant.
EP07725547A 2006-05-23 2007-05-22 Séchoir électrique pour sécher un produit de tabac fibreux Withdrawn EP2026667A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610024936 DE102006024936B3 (de) 2006-05-23 2006-05-23 Stromtrockner zum Trocknen eines faserförmigen Tabakprodukts
PCT/EP2007/004651 WO2007134879A1 (fr) 2006-05-23 2007-05-22 Séchoir électrique pour sécher un produit de tabac fibreux

Publications (1)

Publication Number Publication Date
EP2026667A1 true EP2026667A1 (fr) 2009-02-25

Family

ID=38441606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725547A Withdrawn EP2026667A1 (fr) 2006-05-23 2007-05-22 Séchoir électrique pour sécher un produit de tabac fibreux

Country Status (4)

Country Link
EP (1) EP2026667A1 (fr)
CN (1) CN101448415A (fr)
DE (1) DE102006024936B3 (fr)
WO (1) WO2007134879A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL211482B1 (pl) * 2007-09-24 2012-05-31 Int Tobacco Machinery Poland Sposób i dozownik do zwiększenia sprawności procesu napęczniania oraz suszenia materiałów organicznych, zwłaszcza w suszarce strumieniowej
EP2113176A1 (fr) 2008-04-16 2009-11-04 Philip Morris Products S.A. Procédé pour la préparation d'un mélange de tabac
DE102012200934B3 (de) * 2012-01-23 2013-04-18 Hauni Maschinenbau Ag Stromtrockner und Stromtrocknungsverfahren zum Trocknen eines Tabakmaterials
EP2929788B1 (fr) * 2014-04-04 2018-06-06 GARBUIO S.p.A. Installation pour le séchage de matières particulaires
CN105686044A (zh) * 2016-03-24 2016-06-22 云南中烟工业有限责任公司 一种烟草物料混合干燥方法及其装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323515B (en) * 1997-03-27 1999-02-10 British American Tobacco Co Tobacco dryers
DE19734364A1 (de) * 1997-08-08 1999-02-11 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Aufbringen eines Konditionierungsmediums auf Tabakmaterial
DE19909318C2 (de) * 1999-03-03 2001-06-28 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Expansion von Tabakmaterial
DE102004018879A1 (de) * 2004-04-15 2005-11-03 Hauni Primary Gmbh Förderanordnung für eine Maschine der tabakverarbeitenden Industrie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007134879A1 *

Also Published As

Publication number Publication date
DE102006024936B3 (de) 2007-10-11
CN101448415A (zh) 2009-06-03
WO2007134879A1 (fr) 2007-11-29

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