EP0917828A2 - Procédé et dispositif de régulation de l'humidité de sortie du tabac - Google Patents

Procédé et dispositif de régulation de l'humidité de sortie du tabac Download PDF

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Publication number
EP0917828A2
EP0917828A2 EP98121560A EP98121560A EP0917828A2 EP 0917828 A2 EP0917828 A2 EP 0917828A2 EP 98121560 A EP98121560 A EP 98121560A EP 98121560 A EP98121560 A EP 98121560A EP 0917828 A2 EP0917828 A2 EP 0917828A2
Authority
EP
European Patent Office
Prior art keywords
tobacco
drum
nozzle
moisture
water flow
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.)
Granted
Application number
EP98121560A
Other languages
German (de)
English (en)
Other versions
EP0917828B1 (fr
EP0917828A3 (fr
Inventor
Dietmar Franke
Fritz Schelhorn
Hans-Werner Fuchs
Harald Hofmann
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.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
BAT Cigarettenfabriken 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 British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Publication of EP0917828A2 publication Critical patent/EP0917828A2/fr
Publication of EP0917828A3 publication Critical patent/EP0917828A3/fr
Application granted granted Critical
Publication of EP0917828B1 publication Critical patent/EP0917828B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A24B3/06—Loosening tobacco leaves or cut tobacco

Definitions

  • the invention relates to a method and a device for regulating the Initial moisture content of a dissolving / conditioning and possibly a sauce drum processed tobacco.
  • a dissolving / conditioning and optionally dissolving / conditioning / sauce drum has the function to loosen the raw tobacco delivered in bale form, to sauce and for the others Prepare process steps in tobacco preparation.
  • Special embodiments such drums are for example from WO 90/13231, EP-B-0 424 501 and EP-A-0 471 513.
  • FIG. 5 of EP-A-0 471 513 A typical embodiment is shown in Fig. 5 of EP-A-0 471 513, wherein the water nozzles are in the entry area of the drum and as two-substance nozzles are trained to apply a mixture of water and steam. It will sought that the tobacco, for example, when leaving the drum Initial moisture from about 12% to about. 16.5% has the exact value depends on the subsequent process steps of tobacco preparation.
  • the invention is therefore based on the object, a method and a To provide device in which the disadvantages mentioned above do not occur and where in particular the initial moisture content of the tobacco is at an optimal value can be adjusted.
  • the advantages achieved with the invention are based on the use of a two-stage water entry, namely once in the inlet area of the drum and on the other hand in the outlet area.
  • the target value for the water flow rate in the The inlet area of the drum is calculated depending on the target value for the tobacco output moisture, which in turn is dependent on the following Process steps depends, and on the actual values for that of the drum supplied tobacco mass flow, the tobacco inlet moisture and the steam flow rate.
  • a water flow rate is therefore used in the inlet area of the drum, which is tailored to the procedure, but is not yet strictly according to the Target value for the tobacco output moisture is aimed. This is only done by means of a second Water entry in the outlet area of the drum is set exactly, the target value this second water entry from the target and actual value for the tobacco outlet moisture is calculated. Only in the second stage is there in a way Fine-tuning the regulation of the tobacco outlet moisture, so that one with high Accuracy receives a value for the subsequent process steps of Preparation of tobacco is optimal.
  • the water flow rate for the Water supply in the outlet area of the drum by comparison with the actual value adjusted for the amount of water sprayed to the lowest possible Obtain deviations from the target value for the tobacco source moisture.
  • the sauce that may be added to the drum also contains water in extreme cases up to about 90%, according to a preferred embodiment when calculating the water flow rate for the inlet area of the drum the target value for the flow of the sauce fed into the drum is taken into account, in order to avoid excessive deviations or fluctuations here too.
  • the calculation of the water flow rate for the Inlet area of the drum through a formula that defines the main influencing parameters considered, namely the target value for the tobacco source moisture, the Actual value for the tobacco mass flow, the actual value for the input moisture of the tobacco, the actual value for the steam flow and finally possibly the Target value for the sauce flow.
  • the cutting frequency the slicer determined by the belt scale, so that with high uniformity A constant tobacco mass flow is supplied to the drum.
  • a first light barrier that sits at the beginning of the impact belt and at the slicer actuates an empty message.
  • the two nozzles are two-substance nozzles trained who inject a two-component mixture of water and steam.
  • both the amount of steam supplied and the amount of water supplied recorded and adjusted to the respective target values in order to be too strong here Exclude fluctuations to a large extent.
  • the sauce is also expediently introduced in the discharge area arranged two drum nozzle for a sauce / steam mixture.
  • the drum is equipped with a "pneumatic Blade "that rinses contaminants from the surface of the drum, the too inhomogeneous process conditions and especially too strong Fluctuations in heat transfer can result.
  • FIGS. 1 and 2 generally by reference number 10 indicated plant is used to process the delivered in the form of tobacco bales 12 Raw tobacco for the further process steps in tobacco preparation and has, seen in the conveying direction of the tobacco bales 12, a conveyor belt 14 on which the individual tobacco bales 12, which are released from their packaging, lie in a row.
  • the conveyor belt 14 transports the tobacco bales 12 to one in the tobacco industry referred to as "slicer" cutting device 16, in which the Tobacco bale 12 by a vertically movable cutting knife 18 in individual Portions are divided.
  • the cut front, such as disc or cuboid area 20 of each tobacco bale 12 falls down on a baffle 22, which brings this tobacco slice 20 to a belt scale 24, which weighs the tobacco slice and the belt speed the tobacco mass flow in kg per Hour determined, so that 20 for each cut tobacco slice current tobacco mass flow value.
  • the tobacco slice 20 arrives at an entry channel 26 for a rotating release conditioning and optionally sauce drum 28, which over a two-fluid nozzle 30, which is located in the entry area of the drum 28, in the illustrated embodiment in the input end wall 32 of the drum 28, Water and steam is supplied, the amount of water sprayed so is set that the tobacco is dissolved and processed for transport.
  • Another two-substance nozzle 34 is located in the discharge hood 36 of the drum 28 and also sprayed a mixture of water and motive steam on the dissolved Tobacco particles that are discharged from the drum 28.
  • the amount of water sprayed on the outlet should have a uniform outlet moisture guarantee the tobacco that is used for further processing.
  • nozzle 38 for the introduction of sauce and steam, which is used in the case that the drum 28 also as a sauce drum should serve.
  • the three nozzles 30, 34 and 38 are steamed from supplied to a common line 40 which is connected to the nozzles.
  • the drum has a recirculating air duct 42, into which steam from the line 40 is sprayed. This will change the temperature of the drum set.
  • a hood heater is installed, which as Steam heat exchanger is designed to condense sauce and water at the To prevent discharge hood 36.
  • a '' pneumatic blade '' is provided in the upper area of the drum, namely, a pipe 52 provided with outlet nozzles, which is fed with compressed air.
  • the compressed air blown out cyclically from the nozzles approx. Every three minutes releases Contaminants from the inner wall of the drum 28, so that no sauce and Tobacco deposits can occur. Due to the rotation of the drum, the entire cylindrical inner surface of the drum in the region of the discharge end cleaned so that no contamination can occur there.
  • the drum 28 is inclined downwards inclined so that the loosened, conditioned and possibly with sauce Tobacco can fall down on a discharge chute 46 that the tobacco one Conveyor belt 48 and thus the further process steps of tobacco preparation feeds.
  • a first sensor 54 for the actual value of the input moisture which is located above the belt scale 24 and the Moisture of the tobacco slices 20 lying on the belt scale 24 with one of the in the Tobacco industry techniques determined.
  • the belt scale 24 determines the actual value of the tobacco mass flow.
  • the regulation of the tobacco mass flow takes place with the help of the belt scale 24.
  • the belt scale 24 can run faster or slower. So the drum 28 a practically constant tobacco mass flow fed.
  • the actual value determined by the belt weigher 24 and fed to the drum 28 Tobacco mass flow is also used to calculate the water flow rate on the drum entry that is sprayed from the nozzle 30, i.e., this Water flow rate depends on the current tobacco mass flow.
  • Light barrier 50 is provided, which determines whether a tobacco slice 20 on the Band 22 is or not. If the light barrier 50 signals an empty message, see above is the next cut tobacco slice 20 on a slicer 16 Tilting device 53 released. If the second light barrier is empty 51 at the end of the impact belt 22, the speed of the impact belt 22 is increased, to close the gap between tobacco layers 20, thereby creating a Seamless allocation of the belt scale 24 is guaranteed.
  • the cutting frequency of the slicer knife 18 through the belt scale 24 determines, i.e. if the tobacco mass flow falls below the target value, it will Slicer knife 18 moves faster to increase tobacco slices 20 per unit time to produce.
  • a third transducer 58 is connected to a central feed 60 for the steam connected and determines the current actual value for the Steam mass flow.
  • the actual value for the tobacco mass flow, the actual value for the input moisture and the actual value for the steam mass flow is transferred to a computer 62, the one from the instantaneous values of these actual values and two process parameters on the other hand, namely the target value for the sauce flow and the target value for the tobacco outlet moisture, the target value for the water flow rate calculated, which is given to a first controller 64.
  • the first controller 64 receives the output signal of a fourth Transducer 66 connected to a first water feed 68 for the Two-substance nozzle 30 is connected.
  • the controller 64 processes the target and the actual value for the water flow rate in the usual way and produces a Control signal for a water flow valve 70, which is in the water supply line 72 to the two-substance nozzle 30 between the first water feed 68 and the fourth sensor 66 is located.
  • the factor A contained in this formula is in the range of 0.4 to 1 and has the Purpose, the influence of the amount of steam on the amount of water on the process and on to adapt the system 10.
  • the differences in the Condensation of steam on tobacco is taken into account, a characteristic of the following Influencing variables depends on: drum temperature, tobacco temperature, amount of steam and Airflow profile in the drum. Based on empirical data can be considered this parameter the factor A can be set.
  • the value for the factor B is in the range from 0.6 to 0.8 and indicates that the calculated amount of water is about 60 to 80% of the total amount of water in the Process corresponds.
  • the remaining amount of water i.e. 20% to 40% of the total amount of water, serves as a work area for regulating the initial moisture at the tobacco discharge, which takes place via the two-substance nozzle 34 in the discharge area.
  • the sauce flow rate should still be considered as the sauce also contains water.
  • the water content of commercially available sauces is in the range from 50% to almost 100% and is taken into account by the factor C, whose Numerical value is between 0.5 and almost 1.
  • the actual value of the initial moisture content of the tobacco is included on the conveyor belt 48 a fifth transducer 74 determined, the output signal to one second controller 76 is given, which also the target value for the Tobacco outlet moisture receives, as can be seen from Figure 3.
  • the second controller 76 processes the two signals in the usual manner in accordance with one of the known control mechanisms and generates a target value for the water flow in the discharge area, which is passed to a third controller 78, the the actual value of the water supply to the two-substance nozzle 34 from a sixth Sensor 80 receives, which is in the water line 82 between a second water feed 84 for the discharge area and the two-substance nozzle 34 located.
  • the third controller 78 controls a flow control valve 86 that between the second water feed 84 and the transducer 80 is arranged.
  • the actual values for the tobacco mass flow match Steam flow rate and the tobacco inlet moisture set the target value for the water flow rate constantly on, so that taking into account the target value for the Tobacco exit moisture, among others, from the following process steps and depends on the type of tobacco used, and possibly on the target value the optimum water flow rate for the sauce flow can be calculated can, from which in turn in the first controller 64 an optimal target value for the Amount of water is regulated, which at the inlet of the drum 28 by means of Two-substance nozzle 30 is sprayed onto the tobacco in the drum 28. Doing so automatically takes into account the mass of steam supplied to the system.
  • the amount of water for the two-substance nozzle 34 is controlled by a cascade control 76 78 determines, the tobacco outlet moisture via the guide controller 76 is settled.
  • the sauce flow rate is separated by a control circuit, not shown regulated.
  • control circuit in the recirculation air duct injected amount of steam adjusted to the temperature of the drum 28 on a to keep the specified target value.

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  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP98121560A 1997-11-20 1998-11-18 Procédé et dispositif de régulation de l'humidité de sortie du tabac Expired - Lifetime EP0917828B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751525 1997-11-20
DE19751525A DE19751525C2 (de) 1997-11-20 1997-11-20 Verfahren und Vorrichtung zur Regelung der Ausgangsfeuchte von Tabak

Publications (3)

Publication Number Publication Date
EP0917828A2 true EP0917828A2 (fr) 1999-05-26
EP0917828A3 EP0917828A3 (fr) 2000-01-12
EP0917828B1 EP0917828B1 (fr) 2002-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121560A Expired - Lifetime EP0917828B1 (fr) 1997-11-20 1998-11-18 Procédé et dispositif de régulation de l'humidité de sortie du tabac

Country Status (3)

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US (2) US6155269A (fr)
EP (1) EP0917828B1 (fr)
DE (1) DE19751525C2 (fr)

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EP1759601A1 (fr) * 2005-08-31 2007-03-07 International Tobacco Machinery Poland Ltd Procédé et dispositf pour le traitement thermique de matières en vrac, en particulier matériaux végétaux organiques
EP1486130A4 (fr) * 2002-03-14 2011-03-16 Japan Tobacco Inc Procede de regulation de l'humidite de matiere brute et machine a cet effet
EP2417860A1 (fr) * 2010-08-11 2012-02-15 Köhl Maschinenbau AG Dispositif et procédé de séparation de parties de balles d'un produit comprimé
WO2012025130A1 (fr) * 2010-08-24 2012-03-01 Hauni Maschinenbau Ag Dispositif pour traiter du tabac
CN102423128A (zh) * 2011-11-02 2012-04-25 江苏智思机械集团有限公司 滚筒加料机
CN102551188A (zh) * 2011-12-31 2012-07-11 贵州烟叶复烤有限责任公司 烟叶梗头打叶处理工艺
WO2012130823A1 (fr) 2011-03-30 2012-10-04 Basf Se Concentrés en suspension
WO2012146535A1 (fr) 2011-04-28 2012-11-01 Basf Se Procédé pour la préparation de 2,4-dihydro-[1,2,4]triazole-3-thiones 2-substituées
WO2012146598A1 (fr) 2011-04-28 2012-11-01 Basf Se Procédé de préparation de 4-amino-2,4-dihydro-[1,2,4]triazole-3-thiones 2-substituées
CN103202526A (zh) * 2012-01-11 2013-07-17 湖北中烟工业有限责任公司 用于大惯性系统烟片回潮机的加水离散调节方法
WO2013167237A1 (fr) * 2012-05-07 2013-11-14 Hauni Maschinenbau Ag Procédé et dispositif pour desserrer, conditionner et saucer du tabac
WO2014060955A1 (fr) * 2012-10-16 2014-04-24 Souza Cruz S.A. Équipement de traitement destiné au tabac ou à une autre matière en vrac sensible à la sollicitation mécanique
CN104041934A (zh) * 2013-03-11 2014-09-17 中烟机械技术中心有限责任公司 烟叶的浸泡装置及浸泡方法
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CN109380761A (zh) * 2018-10-12 2019-02-26 云南中烟工业有限责任公司 一种提高低等级烟叶综合品质的方法
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EP1269869B1 (fr) * 2000-02-16 2006-06-14 Japan Tobacco Inc. Procede de production de tabac hache et systeme de production utilise dans le procede de production de tabac hache
ITTV20010086A1 (it) * 2001-07-02 2003-01-02 Garbuio Spa Macchina per il trattamento del tabacco
EP1729602A1 (fr) 2003-12-22 2006-12-13 U.S. Smokeless Tobacco Company Procede de traitement pour compositions de tabac ou de tabac a priser
PL2537072T3 (pl) 2010-02-17 2014-05-30 Hauni Maschinenbau Gmbh Urządzenie do wstępnej obróbki tytoniu w przemyśle tytoniowym i sposób eksploatacji urządzenia
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CN103844337B (zh) * 2012-11-28 2016-04-13 山东中烟工业有限责任公司青岛卷烟厂 烟叶松散回潮设备及其加水控制方法
DE102012224272A1 (de) * 2012-12-21 2014-06-26 Hauni Maschinenbau Ag Blendverfahren und Blendvorrichtung zum Mischen einer Mehrzahl von Tabakkomponenten
CN103082390B (zh) * 2013-01-29 2015-08-12 福建中烟工业有限责任公司 一种滚筒式烘丝机三级调节的控制方法
DE102013221663A1 (de) * 2013-10-24 2015-04-30 Hauni Maschinenbau Ag Einrichtung und Verfahren zum Lösen von Tabakgut in einer Anlage der Tabak verarbeitenden Industrie
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CN104865976A (zh) * 2015-03-25 2015-08-26 红塔烟草（集团）有限责任公司大理卷烟厂 松散回潮物料水分自动控制模式
EP3302108B1 (fr) * 2015-06-05 2021-05-19 Hulecos SA Dispositif d'humidification et d'aromatisation actives, système et procédé d'utilisation dudit dispositif
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DE102017120169A1 (de) * 2017-09-01 2019-03-07 Hauni Maschinenbau Gmbh Trommel der Tabak verarbeitenden Industrie zum Behandeln von Tabak
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EP1486130A4 (fr) * 2002-03-14 2011-03-16 Japan Tobacco Inc Procede de regulation de l'humidite de matiere brute et machine a cet effet
EP1759601A1 (fr) * 2005-08-31 2007-03-07 International Tobacco Machinery Poland Ltd Procédé et dispositf pour le traitement thermique de matières en vrac, en particulier matériaux végétaux organiques
EP2417860A1 (fr) * 2010-08-11 2012-02-15 Köhl Maschinenbau AG Dispositif et procédé de séparation de parties de balles d'un produit comprimé
WO2012025130A1 (fr) * 2010-08-24 2012-03-01 Hauni Maschinenbau Ag Dispositif pour traiter du tabac
WO2012130823A1 (fr) 2011-03-30 2012-10-04 Basf Se Concentrés en suspension
WO2012146535A1 (fr) 2011-04-28 2012-11-01 Basf Se Procédé pour la préparation de 2,4-dihydro-[1,2,4]triazole-3-thiones 2-substituées
WO2012146598A1 (fr) 2011-04-28 2012-11-01 Basf Se Procédé de préparation de 4-amino-2,4-dihydro-[1,2,4]triazole-3-thiones 2-substituées
CN102423128A (zh) * 2011-11-02 2012-04-25 江苏智思机械集团有限公司 滚筒加料机
CN102423128B (zh) * 2011-11-02 2013-12-04 江苏智思机械集团有限公司 滚筒加料机
CN102551188A (zh) * 2011-12-31 2012-07-11 贵州烟叶复烤有限责任公司 烟叶梗头打叶处理工艺
CN102551188B (zh) * 2011-12-31 2014-04-02 贵州烟叶复烤有限责任公司 烟叶梗头打叶处理工艺
CN103202526A (zh) * 2012-01-11 2013-07-17 湖北中烟工业有限责任公司 用于大惯性系统烟片回潮机的加水离散调节方法
CN103202526B (zh) * 2012-01-11 2015-03-11 湖北中烟工业有限责任公司 用于大惯性系统烟片回潮机的加水离散调节方法
WO2013167237A1 (fr) * 2012-05-07 2013-11-14 Hauni Maschinenbau Ag Procédé et dispositif pour desserrer, conditionner et saucer du tabac
WO2014060955A1 (fr) * 2012-10-16 2014-04-24 Souza Cruz S.A. Équipement de traitement destiné au tabac ou à une autre matière en vrac sensible à la sollicitation mécanique
US9427018B2 (en) 2012-10-16 2016-08-30 Souza Cruz, S.A. Equipment for tobacco treatment or another bulk material sensitive to mechanical stress
CN104041934A (zh) * 2013-03-11 2014-09-17 中烟机械技术中心有限责任公司 烟叶的浸泡装置及浸泡方法
CN104041934B (zh) * 2013-03-11 2016-08-24 中烟机械技术中心有限责任公司 烟叶的浸泡方法
CN108294352A (zh) * 2017-01-11 2018-07-20 红塔烟草(集团)有限责任公司 滚筒烘丝机物料水分超限预警控制系统
CN109380761A (zh) * 2018-10-12 2019-02-26 云南中烟工业有限责任公司 一种提高低等级烟叶综合品质的方法
CN110879581A (zh) * 2019-12-12 2020-03-13 河南中烟工业有限责任公司 一种叶片加料的料液控制方法及系统
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CN118356014A (zh) * 2024-05-20 2024-07-19 广东中烟工业有限责任公司 梗丝水分稳定性控制方法、装置、电子设备及存储介质

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DE19751525C2 (de) 2003-02-13
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US6155269A (en) 2000-12-05
EP0917828A3 (fr) 2000-01-12
US20010000095A1 (en) 2001-04-05
DE19751525A1 (de) 1999-06-02

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