EP2342982A1 - Fabrication de tronçons de filtre et machine de tronçon de filtre - Google Patents

Fabrication de tronçons de filtre et machine de tronçon de filtre Download PDF

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Publication number
EP2342982A1
EP2342982A1 EP11150009A EP11150009A EP2342982A1 EP 2342982 A1 EP2342982 A1 EP 2342982A1 EP 11150009 A EP11150009 A EP 11150009A EP 11150009 A EP11150009 A EP 11150009A EP 2342982 A1 EP2342982 A1 EP 2342982A1
Authority
EP
European Patent Office
Prior art keywords
granules
filter
filter material
metering
mixture
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Withdrawn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
EP11150009A
Other languages
German (de)
English (en)
Inventor
Sönke Horn
Stephan Wolff
Thorsten Scherbarth
Jann De Boer
Irene Maurer
Alexander Buhl
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 EP2342982A1 publication Critical patent/EP2342982A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product

Definitions

  • the invention relates to a method and a filter rod machine of the tobacco processing industry for the production of filter strands.
  • EP 1 464 241 A1 For example, there is known a method for producing a nonwoven fabric for the manufacture of filters of the tobacco processing industry, and a filter strand production device.
  • isolated filter material is conveyed to a fluidized bed and conveyed by means of a transport air flow in the direction of a strand-building device to be aufauert on the strand-building device.
  • the strand building device comprises a suction belt conveyor.
  • the formed fiber strand is conveyed in a formatting device and formed there, for example, to a round fiber strand, wrapped with a wrapping material, to be cut to length, so that filter rods of multiple use length can be provided.
  • the device described therein is characterized in that separating devices are provided which are designed separately from each other.
  • the devices in the two cited European patent applications process finite fibers, so that nonwovens, filter rods and filters are made of finite fibers and optionally other filter components such as granules.
  • DE 10 2006 028 382 A1 describes a method for operating a filter rod machine, wherein a Saugstrangadder a first filter material made of finite fibers and a second filter material, which consists of granules, are supplied.
  • the invention is based on the idea that for the second filter material, which is used for the production of filter strands of finite fibers in combination with at least one other, ie first, filter material made of fibers, a granular mixture of pure, that is not mixed, granules in at least is provided in each case a metering device, so that in a first Metering device, for example, unmixed granules of a first grade and unmixed in a second metering, ie pure granules of a second grade is introduced, wherein granules from the first and second metering a granule mixture for the second (non-fibrous) filter material is obtained by dispensing granules.
  • filter material that does not serve to form the filter material strand as it passes through, for example, a suction belt of Saugstrangenseers or is sucked past the suction belt, so lost for strand formation, collected.
  • the collected filter material contains the granulate mixture, which is separated, for example, in a separation device, wherein the separated granulate mixture obtained from the collected filter material is recycled to a third metering device of the granule feed device so that the third metering device provides the recycled, separated granulate mixture for the second filter material and is used.
  • the collected filter materials are recycled to at least a portion of the filter rod machine, which in the conveying direction of the filter materials upstream of the feeding to the Saugstrangadder is located, wherein prior to feeding the second filter materials to the suction belt conveyor, the filter materials are separated or separated, for example, in a segregation device.
  • granules also powder is understood.
  • the granules or powder serves to enhance the smoke-absorbing or adsorbing properties of the filter.
  • the granules can also serve to release flavoring substances in the filter when smoking a cigarette.
  • the granules used are non-fibrous filter material.
  • first (pure) granules activated carbon (Charcoal) and as a second (pure) granules a binder granules or hot melt or the like are filled in the first and second metering device.
  • the Saugstrangrawer as a second filter material from the third metering device consisting of a granular mixture separated granules and / or two granules are respectively supplied from the first and the second metering device.
  • the granules released by the first and second metering devices of the granule feed device and / or the granules delivered by the third metering device of the granule feed device Granulate mixture is brought together in a collection area and that the filter material provided in the collection area is fed to the suction belt conveyor.
  • the collecting area for the granules released and the granulate mixture from the separate metering devices can also be designed as a mixing area or is.
  • the fill level of the granules or of the granulate mixture in the separate metering devices is detected in each case.
  • the granules and / or the granule mixture from a respective supply or the like are introduced into the metering devices.
  • a regulating device and / or control device for the metering devices for the granules and the granule mixture are provided, wherein in particular using the control device and / or using the control device, the granules and the granular mixture in a predetermined ratio or mixing ratio for the second filter material is provided.
  • the control device and / or control device are connected in one embodiment with level sensors of the metering, so that the level of the metering devices is monitored and regulated depending on the levels of addition and removal or release of the granules and the granules corresponding to the provision of a second filter material or controlled.
  • the object of the invention is also achieved by a filter rod machine the tobacco processing industry for producing a filter strand of the tobacco processing industry with a first filter material supply for supplying a first filter material and a second, designed as Granulatzu seafood fitted Filtermaterialzutax issued for supplying a second granular filter material to a Saugstrang makeuper, and with a Saugstrang makeuper so that a Filter material strand from the first and second filter materials fed to the Saugstrang simpleer, a collecting device for passing through the Saugstrang considerer filter material and with a separating device for separating the granules of the filter materials from the collecting device and with a return device for returning the separated granules to Granulatzulite
  • the granulate feeding device has a plurality of separate metering devices, s o that from a first and second metering device each granulate and from a third metering device, the separated granules having a granular mixture,
  • a collecting area is provided, so that the granulate and / or granular mixture discharged from the respective metering devices of the granulate feeding device is brought together in the collecting area and that the filter material provided in the collecting area can be fed to the suction strand conveyor.
  • the metering of Granulatzu slaughter grounds each have at least one or more level sensors, whereby the level of the granules or the granule mixture is monitored in the respective metering device or can be, so that, for example, filling shafts of the metering device are always sufficiently filled in operation.
  • the Granulatzu slaughterhouse founded on a granule accelerating device which accelerates granules in the direction of Saugstrangenseers and emits in a suction shaft of Saugstrang cleanseers, so that from the Saugstrang simpleer supplied filter materials, a filter strand of fibers of finite length is produced, the filter strand in addition to fibers of finite length further constituents has a plurality of granules or a granule mixture.
  • a control device and / or a control device is provided for the metering devices, wherein in particular the at least one level sensors of the metering devices are connected to the control device and / or the control device to operate the metering devices according to, a predetermined mixing ratio of the (pure) granules and the granulate mixture is formed or adjusted by the operation of the metering devices.
  • the metering device is kept filled during operation.
  • the individual metering devices each have a hopper and a metering rollers, wherein by means of metering rollers granules and / or a granular mixture are metered from the hopper.
  • Embodiments of the invention may satisfy individual features or a combination of several features.
  • Fig. 1 shows a sectional view through a device for manufacturing of filter strands of finite fibers.
  • fibers 12 of a first type of fiber and fibers 13 of a second type of fiber are fed by a first feed tube 14 and a second feed tube 15 into a first stowage bay 11 and a second stowage bay 11 'by means of, for example, transport air.
  • the first type of fiber 12 may be, for example, a multiple-component fiber, in particular bicomponent fiber, and the second type of fiber 13 fibers of cellulose acetate, cellulose or carbon fibers.
  • Various fiber materials which have a finite length, can be provided.
  • the length of the fibers may preferably be smaller than the length of the filter rod to be produced. Accordingly, this may be between 0.1 mm and 60 mm and in particular preferably between 0.2 mm and 10 mm.
  • the fiber thickness should be 1 to 20 dtex, preferably 2 to 6 dtex.
  • the average fiber diameter may be in the range of preferably 10 to 40 .mu.m, in particular 20 to 38 .mu.m and in particular preferably between 30 and 35 microns.
  • the fibers are preferably crimped, in particular zigzag-shaped and have 10 sheets per 10 mm.
  • the fibers 12 and 13 are removed from the accumulated area of the fibers of the storage chutes 11 and 11' and knocked out with a racket roller 17 or 17 'and into the first fiber feed chute 19 and the second fiber feed chute 19'. transferred.
  • the various fiber types 12 and 13 are combined to form a fiber mixture 32.
  • the fiber mixture 32 enters a conveyor shaft 21 and can accumulate shortly before the feed roller 22 of a carding device or a part of a carding device.
  • the dosage of the fiber types 12 and 13 is done by, for example, controlling the removal rates of the fibers by means of the feed roller 16, 16 'and / or racket roller 17, 17'.
  • the feed roller 16, 16 ' can be designed slowly running, such that they promote the fibers against a spring-mounted trough, which is not shown. In this case, the fibers are drawn in and compacted into a thin compact fiber cake, which is not shown.
  • the between the feed roller 16, 16 'and trough downwardly funded fiber cake is then milled or knocked out at the bottom of the trough of each of a fast-running bat roller 17, 17'.
  • the fibers are loosened, isolated and entered into the shafts 19, 19 '.
  • a supporting air flow can be used, which in Fig. 1 but not shown.
  • the fiber mixture is detected by the feed roller 22 and conveyed against the trough 23 and then a leaf spring battery 24.
  • the trough 23 is spring-loaded. The result is a thin, compact fiber cake, which is not shown, and which is promoted and compressed between the feed roller 22, the trough 23 and the leaf spring battery 24.
  • rollers 25, 26 and 27 are designed as a card or equipped with sawtooth or Trapezyakgarnituren. The rolling speeds are increasing from roller 25 to roller 27.
  • the fibers 32 are transferred tangentially to the counter-rotating roller 26. Since the roller 26 rotates faster than the roller 25 and in particular has a finer card structure or a finer sawtooth or Trapez leopardgarnitur, there is a longitudinal alignment, parallelization and separation of the fibers in the transfer.
  • the fibers 32 After the fibers 32 have been held in the clothing of the roller 26 about 180 ° on the circumference, the fibers 32 are tangentially transferred to the turn in opposite directions rotating roller 27. Since the roller 27 rotates faster than the roller 26 and in particular has a finer card-like structure or a finer Sge leopard- or Trapez leopardgarnitur, is again a longitudinal alignment, parallelization and separation of the fibers in the transfer. After the fibers 32 have been held in the set of the roller 27 by 180 °, the fibers 32 are transferred tangentially upwards into an air flow 44 of a channel or a suction shaft 28. Subsequently, the fiber mixture 32 reaches a suction belt 29 of a suction belt conveyor 30.
  • the suction belt conveyor 30 closes what is in Fig. 1 not shown, a conventional strand forming device, such as shown in FIG. 10 of EP 1 464 241 A1 , In this respect, reference is made in full to the disclosure of this European patent application.
  • the fibers 32 in the suction shaft 28 may first be dropped onto a spreader cloth and then sucked into a suction shaft according to the EP 1 584 248 A1 happen, in which case in the carding preferably a roller more or less use a roller.
  • a fan 31 is provided in direct connection to the merging region 20.
  • the fan 31 generates a transport air flow 42 in the conveyor shaft 21.
  • Measures may be provided to ensure a closed circuit of the transport air flow, for example, 21 transport air openings are provided in the lower region of the conveyor shaft, which ensure that transport air discharged from the conveyor shaft 21 is carried without fibers, and then fed back to the fan.
  • a drive belt 36 is provided which indicates, for example, a drive of the roller 25.
  • the rollers 25 to 27 and the other rollers used can also be driven by a motor with a direct drive.
  • Fig. 1 the supply of a granulate 43 to the fiber mixture 32 by means of Granulatzu slaughter 50. This happens shortly before the shuddering of the filter material on a suction belt of a Saugstrangmakeers 30 in the suction shaft 28th
  • a Granulatzu slaughter 50 is provided in schematic sectional views, which is part of a filter rod machine for the production of filter strands.
  • a filter rod machine described with individual elements or devices, such. B. a Strangeinheit, a filter material processing unit, a separating device, a fiber mill, a fluidized bed conveyor and a Saugstrang makeuper, wherein the fluidized bed conveyor and the Saugstrang makeuper can also be assigned to the Strangeinheit, are known from Fig. 20 of said European patent application of the associated description of the figures.
  • Corresponding variants are shown in FIGS. 17, 18 and 19.
  • details of this device in Figs. 21 and 22 and the associated description of the EP 1 464 241 A1 known.
  • the Granulatzu slaughter 50 has several separate supply lines, wherein the Granulatzu slaughter 50 in particular a separate supply line for a granulate A or the grade A, a supply line for a granule B or the granule B and a supply line for the granules A / B has.
  • the delivery lines are according to the invention from each other functionally separated.
  • the Granulatzu slaughter 50 has a storage magazine 51.A for the granule A, a storage magazine 51.B for the granule B and a storage magazine for 51.C for the granules A / B.
  • the granulate mixture A / B is fed from a segregating device or from a viewing device.
  • the not absorbed by the filter material strand or fiber cake and toge asge asten filter materials, which thus pass through the Saugstrangier 30, for example, by the suction belt 29 and / or on the suction belt 29 over, are first collected and fed to a segregation device or a separator to granule components from the from Separate filter material strand separated filter materials.
  • the collection can also be done by the segregation device or separator. Accordingly, the collecting device may be a separate device or the demixing or separating device.
  • the filter material strand or the Saugstrangrawer a consisting of a granular mixture (second) filter material is supplied to the demixing or separating device from the collected filter materials that are not kept in the filter material strand, a corresponding granule mixture separated.
  • the separated granulate mixture is fed to the third supply line or granule feed device 50 for the granulate mixture A / B, the granulate mixture A / B being fed to the supply magazine 51.C as granule mixture A / B via a return line from the demixing device or sighting device using pneumatic conveying air ,
  • flaps, closures or the like are provided in the lower area to the granules A, B and the granular mixture A / B in the hopper 53.A, 53.B and 53. C to submit.
  • metering rollers 55.A, 55.B, 55.C are arranged in order to remove from the filling ducts 53.A, 53.B, 53.C the Granules A, B and the granulate mixture A / B metered to a below the metering rollers 55.A, 55.B, 55.C arranged conveyor belt 56 deliver.
  • the granules B and the granular mixture A / B from the hopper 53.B and 53.C are discharged onto the conveyor belt 56, while the granules A under rotation of the metering rollers 55th under the rotation of the metering rollers 55.B, 55.C. A is placed directly into a chute 57, while the metered discharged onto the conveyor belt 56 granules B and metered amount of granules A / B are transported by means of the conveyor belt 56 to the chute 57, so that within the chute 57, a collection area is formed in which the granules A, the granules B and the granules A / B are collected or mixed.
  • the accelerator roller 35 On the output side of the chute 57, the accelerator roller 35 is arranged to the collected in the chute 57 granules of the granules A, the granules B and the granules A / B in the direction of a Saugstrangierers (see. Fig. 1 , Reference numeral 30) in the suction shaft (reference numeral 28, Fig. 1 ) to hurl.
  • the exit of the introduced from the accelerator roller 35 granules or the introduced granule mixture takes place as a second filter material in the suction shaft in a range of 30 mm to 50 mm below a suction belt of a Saugstrangizaers.
  • an accelerator brush or an accelerator nozzle may also be provided instead of the accelerator roller.
  • the chute 57 has small openings, for example, when using an accelerator brush as an accelerator element for the provided granule mixture to draw air in the upper region of the conveyor shaft 57, for example, to avoid streaking in the filter strand.
  • Granulatzu slaughter 50 differs from the in Fig. 2 illustrated embodiment in that a larger or longer conveyor belt 56 is used, so that first granules A, granules B and the granules A / B by means of the metering 55.A, 55.B and 55.C given to the conveyor belt 56 arranged thereunder and collected in a collection area and possibly also mixed, in which case the conveyor belt 56 then conveys the granules A, B and the granulate mixture A / B to the chute 57 and releases it thereinto.
  • a larger or longer conveyor belt 56 is used, so that first granules A, granules B and the granules A / B by means of the metering 55.A, 55.B and 55.C given to the conveyor belt 56 arranged thereunder and collected in a collection area and possibly also mixed, in which case the conveyor belt 56 then conveys the granules A, B and the granulate mixture A / B to the chute 57 and releases
  • FIG. 4 illustrated embodiment of the Granulatzu slaughter 50 are at the Basturchten 53.A, 53.B, 53.C in predetermined filling levels for each hopper 53.A, 53.B, 53.C level sensors 54.A, 54'.A and 54 '. A and 54.B, 54'.B and 54 '.' B and 54.C, 54'.C and 54 '.' C are arranged.
  • the fill level sensors 54.A, 54'.A and 54 "A For example, by means of the level sensors 54.A, 54'.A and 54 "A, the fill level of the granules A in the feed chute 53.A is monitored, the fill level sensors 54.A, 54'.A and 54" A having a control device 59 are connected to regulate the supply of the granules A from the storage magazine 51.A in the chute 53.A depending on the detected levels.
  • the other level sensors 54.B, 54'B and 54 "B at the chute 53B and the level sensors 54.C, 54'.C and 54" C may also be connected to the controller 59 to control the supply of the granules B and the granule mixture A / B into the corresponding chutes 53.B and 53.C, respectively. Furthermore, by means of the control device 59, the dosage or the delivery of the granules can be regulated.
  • Stirrers 61.A, 61.B, 61.C are provided on the output side of the filling shafts 53.A, 53.B and 53.C, bridges possibly resulting from the rotation of the agitators 61.A, 61.B, 61.C being provided Granules A, B and the granular mixture A / B are destroyed, so that while rotating the metering rollers 55.A, 55.B, 55.C underneath, the granules A, B and the granulate mixture A / B from the chutes 53.A, 53.B, 53.C, whereby the withdrawn amounts of granules A, B and the granulate mixture A / B fall into a collecting funnel 66.
  • the mixture of the granules A and B and the granular mixture A / B enters a channel 67, which may be formed in another embodiment of a filter rod machine as a fiber channel.
  • a channel 67 which may be formed in another embodiment of a filter rod machine as a fiber channel.
  • pneumatic valves can be used to avoid bridging.
  • the granules A and B are fed to the collecting funnel 66 metered.
  • the separated granulate mixture which is supplied to the supply magazine 51.C, is introduced into the collecting funnel 66 via the metering roller 55.C.
  • the granules A, B and the granular mixture A / B come together in the collection funnel 66 and mix there during the merge.
  • the granulate quantities and the mixing proportions of the individual granules A and B are determined by the rotational speeds of the metering rollers 55.A, 55.B. In this case, the individual amounts of granules A and B are respectively added to the basic amount of recycled granules A / B.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP11150009A 2010-01-05 2011-01-03 Fabrication de tronçons de filtre et machine de tronçon de filtre Withdrawn EP2342982A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010000680A DE102010000680A1 (de) 2010-01-05 2010-01-05 Herstellung von Filtersträngen und Filterstrangmaschine

Publications (1)

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EP2342982A1 true EP2342982A1 (fr) 2011-07-13

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EP11150009A Withdrawn EP2342982A1 (fr) 2010-01-05 2011-01-03 Fabrication de tronçons de filtre et machine de tronçon de filtre

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EP (1) EP2342982A1 (fr)
CN (1) CN102125302A (fr)
DE (1) DE102010000680A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2837582A1 (fr) * 2013-08-14 2015-02-18 Philip Morris Products S.A. Système et procédé de transfert de matériau

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103653243B (zh) * 2013-12-04 2015-08-19 上海烟草集团有限责任公司 多功能添加材料的滤棒成型机
CN103750559B (zh) * 2014-01-28 2015-12-09 广东中烟工业有限责任公司 一种双加料机加料装置及其制备的二元复合滤嘴

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000051451A1 (fr) * 1999-03-02 2000-09-08 Phillip Morris Products Inc. Procede et appareil de production de tige-filtre contenant des particules
DE10217410A1 (de) 2002-04-18 2003-10-30 Hauni Maschinenbau Ag Zigarettenfilter und Verfahren zur Herstellung desselben
EP1464241A1 (fr) 2003-04-03 2004-10-06 Hauni Maschinenbau AG Procédé pour la produciton d'un tissu pour la production de filtres de l'industrie du tabac et dispositif pour la production d'une tige de filtre
EP1464240A1 (fr) 2003-04-03 2004-10-06 Hauni Maschinenbau AG Procédé et dispositif pour la production d'un tissu pour la production d'une tige de filtre
EP1584248A1 (fr) 2004-04-08 2005-10-12 G.D S.p.A. Methode et machine pour la production de filtres pour produits de tabac
EP1847185A1 (fr) * 2006-04-18 2007-10-24 Hauni Maschinenbau AG Fabrication d'un filtre fibre
DE102006028382A1 (de) 2006-06-19 2007-12-27 Hauni Maschinenbau Ag Filtermaterialrückführung
DE102007057396A1 (de) * 2007-11-27 2009-05-28 Hauni Maschinenbau Ag Vorrichtung zur Bearbeitung von mindestens zwei Filtertowsträngen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000051451A1 (fr) * 1999-03-02 2000-09-08 Phillip Morris Products Inc. Procede et appareil de production de tige-filtre contenant des particules
DE10217410A1 (de) 2002-04-18 2003-10-30 Hauni Maschinenbau Ag Zigarettenfilter und Verfahren zur Herstellung desselben
EP1464241A1 (fr) 2003-04-03 2004-10-06 Hauni Maschinenbau AG Procédé pour la produciton d'un tissu pour la production de filtres de l'industrie du tabac et dispositif pour la production d'une tige de filtre
EP1464240A1 (fr) 2003-04-03 2004-10-06 Hauni Maschinenbau AG Procédé et dispositif pour la production d'un tissu pour la production d'une tige de filtre
EP1584248A1 (fr) 2004-04-08 2005-10-12 G.D S.p.A. Methode et machine pour la production de filtres pour produits de tabac
EP1847185A1 (fr) * 2006-04-18 2007-10-24 Hauni Maschinenbau AG Fabrication d'un filtre fibre
DE102006018102A1 (de) 2006-04-18 2007-10-25 Hauni Maschinenbau Ag Faserfilterherstellung
DE102006028382A1 (de) 2006-06-19 2007-12-27 Hauni Maschinenbau Ag Filtermaterialrückführung
DE102007057396A1 (de) * 2007-11-27 2009-05-28 Hauni Maschinenbau Ag Vorrichtung zur Bearbeitung von mindestens zwei Filtertowsträngen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2837582A1 (fr) * 2013-08-14 2015-02-18 Philip Morris Products S.A. Système et procédé de transfert de matériau

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Publication number Publication date
CN102125302A (zh) 2011-07-20
DE102010000680A1 (de) 2011-07-07

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