EP1480532B1 - Vorrichtung zur gleichzeitigen, kontinuierlichen messung und regelung der acetat- und triacetinmenge in filterstäben in der zigarettenindustrie - Google Patents

Vorrichtung zur gleichzeitigen, kontinuierlichen messung und regelung der acetat- und triacetinmenge in filterstäben in der zigarettenindustrie Download PDF

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Publication number
EP1480532B1
EP1480532B1 EP03706558A EP03706558A EP1480532B1 EP 1480532 B1 EP1480532 B1 EP 1480532B1 EP 03706558 A EP03706558 A EP 03706558A EP 03706558 A EP03706558 A EP 03706558A EP 1480532 B1 EP1480532 B1 EP 1480532B1
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EP
European Patent Office
Prior art keywords
sensor
filter
mass
sensors
detecting
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.)
Expired - Lifetime
Application number
EP03706558A
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German (de)
English (en)
French (fr)
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EP1480532A1 (de
Inventor
Eberhard Teufel
Wolfgang Sexauer
Manfred Gerlitzki
Rainer Herrmann
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.)
Cerdia Produktions GmbH
Original Assignee
Rhodia Acetow GmbH
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Publication date
Application filed by Rhodia Acetow GmbH filed Critical Rhodia Acetow GmbH
Publication of EP1480532A1 publication Critical patent/EP1480532A1/de
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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
    • A24D3/0295—Process control means
    • 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
    • A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers

Definitions

  • the invention relates to a device for simultaneous, continuous measurement and control of the amount of acetate and triacetin in the manufacture of filter rods, especially for use in the cigarette industry.
  • Cigarette filters are an essential, quality-relevant component of cigarettes, which is why great effort is made in the process of making the Filter rods to optimize quality. It is important to pay attention to the most goal-oriented Regulation of the procedure, which of course depends on one precise and fast characterization of the quality of the products in the In an optimal case, this is done using an online procedure.
  • parameters such as diameter, acetate weight and triacetine content and draw resistance.
  • draw resistance and Triacetingehalt are usually used off-line methods.
  • the determination of the acetate weight takes place Gravimetric, by determining the gross weight of the bars and of which the Degradable mass of wrapping paper, glue and triacetin. Paper and glueing are also determined gravimetrically, this being largely is process-independent parameters.
  • To determine the triacetin content Different methods are used. First, the weight a defined number of filter rods with and without triacetin. The difference from both measurements then gives the triacin content.
  • a further method is the determination of the plasticizer content by measuring the reflection of infrared rays in the near infrared range (see, for example: CANON AB, HUGHES IW: On-line measurement of triacetin in cigarette filter rods using near infrared reflectance spectroscopy; Tob. Chem. Res. Conf., 1987.).
  • This method has the considerable disadvantage that it is arapnmeßmethode and the infrared beam only a few wavelengths deep into the material to be measured.
  • the measurement result is highly dependent on the migration behavior of the plasticizer, but also on the fiber fineness and the packing density of the filter material used.
  • Another disadvantage of this method is that when determining the amount of acetate the moisture of the acetate is not taken into account.
  • the equilibrium moisture of cellulose acetate under normal conditions is about 5.5% by weight.
  • the initial moisture of a filter may be conditional due to changed process parameters in the filter tow production between vary about 3.5 and 7 wt .-%. This variation leads to relative inaccuracy at the mentioned weight determinations for the amount of triacetin and acetate.
  • the final moisture, and thus the gross weight of the finished filter rods significantly affected can be by changing process parameters in the filter rod production.
  • parameters such as the room climate, the processing speed are mentioned here and the temperature and humidity of the air at the spreader nozzles.
  • the present invention is based on the object discussed above Disadvantages of the prior art remedy and a device for simultaneous, continuous measurement of acetate and triacetin mass and regulation of Describe manufacturing process.
  • the device according to the invention for the production of cigarette filters with simultaneous control of the filter material and plasticizer mass comprising a processing part AF for processing the supplied filter Tows, a format device F for forming a wrapped filter strand and an integrated in the processing part metering device for metering plasticizer, characterized in that sensors for detecting the mass flow of filter tow material M 1 , as well as sensors for detecting the sum of the mass flow of filter tow material and plasticizer mass M 2 , are present in the device, the device comprising a measuring and control device which is connected to the Sensors for measuring the mass flows M 1 and M 2 is coupled such that both the filter material and the plasticizer mass can be measured and controlled independently.
  • the sensors used S m1 , S m2 , S v1 and and. S v2 can in principle be arranged at different points of the overall apparatus, wherein it is essential for the invention that, viewed in each case at running speed of the filter strand, the sensors marked "1" are located in front of the metering device and the sensors labeled "2" are located after the same ,
  • the first mass sensor S m1 and speed sensor S v1 can thus be located at any point between the ball outlet and metering device.
  • the sensor S v1 for detecting the speed v 1 and the sensor S m1 for detecting the length-related mass m 1 are arranged directly adjacent.
  • immediately adjacent is meant that they are in the direction of the course of the filter strand are directly behind each other, without being between them another element of the device is located. If the sensors work without contact, it may also be possible to measure in the same place. This ensures that speed and length-related mass at a point of the filter strand detected on the identical overall conditions with respect to the state of stretching of the filter Tows.
  • the sensor S m2 seen in the direction of the filter strand, arranged immediately in front of the cutting device, and as a sensor S v2 , the measuring device is used for the tape speed.
  • the speeds v 1 and v 2 are preferably detected via optical sensors.
  • optical sensors have the advantage that the relative velocity between two objects can be measured without contact. Thus, no mechanical interference takes place in the barrel of the filter string by the measurement.
  • the surface structures of the filter strand are usually imaged on a grating where they produce a light modulation. With the aid of a photoelectric device, this light modulation is converted into a frequency proportional to the relative velocity.
  • Other possibilities for non-contact measurement of the speed of a continuous material strand can be used, but remain unmentioned here.
  • any sensors can be used as "mass sensors”, with which it is possible, directly or indirectly, to measure the length of a continuous To capture material strings.
  • the length-related masses m 1 and m 2 are therefore determined by means of microwave resonators as mass sensors.
  • EP 0 468 023 B1 describes how, by measuring two physical effects, the length-related mass and the humidity of a product which is located in the microwave field of a microwave resonator can be determined independently of one another.
  • Microwave resonators form a standing wave at the resonant frequency, through which, with the aid of special openings and with dielectric material lined product guides, the acetate or filter material to be measured is moved.
  • the special interaction between the standing microwave and the product changes the resonance characteristics of the microwave resonators.
  • a great advantage of these resonators is that you can adapt by geometric design to a wide variety of applications and so achieved a large measuring effect and a large penetration into the product.
  • a sensor type whose microwave measuring field is in one embodiment is particularly suitable up to 3 cm wide and up to 30 cm long measuring gap can be made very homogeneous, so that the position of the product in the sensor is indifferent to the strength of the interaction between microwave and product.
  • This "fork resonator” is an excited in the basic mode E 010 resonator, which has been cut in the direction of the wall currents, so that there is a measuring zone with extremely homogeneous measuring field.
  • a planar sensor with a standing wave above a planar one Surface whose stray field starting from the sensor surface in the room decreases exponentially up to a maximum extension of 10 cm.
  • a planar sensor with a standing wave above a planar one Surface whose stray field starting from the sensor surface in the room decreases exponentially up to a maximum extension of 10 cm.
  • the profile sensor is particularly suitable, with which, in particular, a high spatial resolution of less than 3 mm in the direction of the filter strand can be achieved, and which is also very good for measuring the homogeneity of the plasticizer application suitable is.
  • a profile sensor is disclosed for example in EP 0 889 321.
  • This sensor has a through hole perpendicular to its planar extension.
  • the throughbore is bounded by metallic, longitudinally extending walls and substantially flat.
  • This resonator is preferably filled with a dielectric. Its thickness is much smaller than its length, that is smaller than the thickness perpendicular to the transverse dimension.
  • the particular advantages of a microwave sensor with regard to the advantageous Embodiment according to claim 8 will be explained in more detail here.
  • the first effect of the resonance frequency detuning A depends mainly on the shortening of the wavelength by the dielectric product, which is currently in the measuring field of the resonator (ie from the so-called real part of the dielectric constant).
  • the second effect B stems from the Conversion of the microwave energy into heat, which only in Resonator compiler can be accurately measured (the "microwave oven effect" or the so-called. Imaginary part of the dielectric constant).
  • both sizes are proportional in the same way are to the mass of the product in the measuring field, they are both suitable for Mass measurement.
  • parameter A is used for this purpose.
  • Both measured variables are dependent on the humidity in different ways. Consequently
  • the quotient of both quantities B / A provides a mass - independent, only from the Humidity-dependent measured variable that can be calibrated against the moisture content of the material.
  • the moisture influence on the mass value A can be compensated be so that two independent measures can be output: The moisture-independent mass and mass independent of moisture.
  • the moisture information of the incoming acetate strand can be used be to moisture variations between different acetate bales like even within the bale by regulating the mass flow to compensate.
  • a big advantage of the microwave measuring method is the constancy of the once calibration, and their independence from variations in material parameters, such as changing the manufacturing parameters of the acetate, e.g. its total titre or thread size.
  • the measuring technique has been on recently the achievement of a high measuring speed and precision optimized so that each after 0.1 milliseconds, a new humidity and mass value are output can, that is 10,000 values per second.
  • a density measurement can be done via beta radiation.
  • mass sensor and an optical sensor in question in which the Density is detected by scattered light measurements with infrared radiation.
  • the mass flow M 1 can also be determined by means of a baling scale according to DE 31 49 670 A1; whereby the already mentioned restrictions on moisture balance apply.
  • the output signals of all sensors are either a control device and / or supplied to a display device. If a control device is present, an automatic control of the device according to the invention carried out procedure, resulting in production conditions proves to be particularly advantageous. Alternatively, it is also possible an operator displays the signals displayed on the display device self-determined and executes the corresponding regulation. If both of the above Facilities are present, via the display device, a control of automatic regulation.
  • the control device is coupled in an advantageous embodiment with the drive of the processing part (AF) and the gear pump that the metering the required Triacetinmenge supplies.
  • a conventional filter rod machine operates as follows:
  • the filter tow machine supplied filter tow is withdrawn from a bale 8 and introduced via a so-called gallows 9 from there into the processing device (AF).
  • the sensors S v1 and S m1 are arranged side by side in the order.
  • the processing device generally comprises two spreader nozzles 3 and 3 ', a pair of brake rollers 1, through which the filter train is given a pre-stretch As well as draw roller pairs 2, which run at different speeds and subject the filter strand to drawing.
  • the draw rolls can with be provided a thread-like surface, so that only parts of the spread continuous filter strand are detected and stretched. That way the individual filament groups, which make up the filter strand, shifted against each other.
  • the processing device at its output a Deflection roller pair 5, by means of which the processed filter strand in one direction which is deflected for entry into the inlet nozzle and the inlet finger of the after-arranged format device F is suitable.
  • the drafting rollers 2, as well as the guide roller 5 are driven rollers, which with a Fixed speed ratio are operated to each other.
  • the filter strand is gathered to the diameter of the future cigarette filter, wrapped with paper, and then cut the filter rods in a cutter 7 to the required length.
  • the sensor S m2 is arranged.
  • a textile tape called a format tape is used, which tightly encloses the filter strand during the bonding process.
  • the speed of this conveyor corresponds to the speed of the filter strand in the format part and thus after the metering device 4. This speed is measured by means of the sensor S v2 .
  • the dosage of the acetate mass takes place in the filter rod machines according to the state of Technique in that the speed difference between processing part (AF) and format part (F) is changed, wherein usually the format part (F) is constant is held.
  • the acetate mass can also be changed by other measures. So describes EP 0 629 356 B1, the regulation of the acetate mass by changing the Brake roller pressure on the brake roller pair 1.
  • the metering device 4 is preferably between the drafting rollers and the deflecting rollers arranged in the processing device.
  • the order of the plasticizer thus takes place on the completely spread filter strand.
  • the metering device consists of a spray box in which, for example, rotating Brushes are attached, which serve to finely atomize the plasticizer and to fling on the spreading fiber strand.
  • a softening agent usually triacetin or TEGDA (triethylene glycol diaceate) used.
  • TEGDA triethylene glycol diaceate
  • the amount of plasticizer required for the process is usually by means of a gear pump of the metering device 4 is supplied.
  • the dosage of the amount of plasticizer takes place by changing the speed of the drive of this gear pump.
  • M 1 ⁇ M 2 M 1 ⁇ M 2 .
  • the difference between M 1 and M 2 represents a measure of the amount of plasticizer per filter rod.
  • W K x (M 2 - M 1 ) + C
  • W the amount of plasticizer in mg per filter rod
  • K and C are factors determined by calibration. These calibration factors are quantities that result from the sensor characteristic.
  • This calibration makes it possible, not only the plasticizer content per Filter rod to regulate, but also, regardless of filter tow specification used, to measure quantitatively continuously.
  • M K 1 M 1 + C 1 where K 1 and C 1 in turn must be determined by calibration according to the sensor characteristic.
  • a control carried out with the device according to the invention is to be carried out so that the products M 1 and M 2 are kept constant in each case.
  • the speed of the processing part (AF) is to be regulated so that the product M 1 is returned to its original value.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP03706558A 2002-02-21 2003-02-21 Vorrichtung zur gleichzeitigen, kontinuierlichen messung und regelung der acetat- und triacetinmenge in filterstäben in der zigarettenindustrie Expired - Lifetime EP1480532B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10207357 2002-02-21
DE10207357A DE10207357A1 (de) 2002-02-21 2002-02-21 Vorrichtung zur gleichzeitigen, kontinuierlichen Messung und Regelung der Acetat- und Triacetinmenge in Filterstäben in der Zigarettenindustrie
PCT/EP2003/001821 WO2003070030A1 (de) 2002-02-21 2003-02-21 Vorrichtung zur gleichzeitigen, kontinuierlichen messung und regelung der acetat-und triacetinmenge in filterstäben in der zigarettenindustrie

Publications (2)

Publication Number Publication Date
EP1480532A1 EP1480532A1 (de) 2004-12-01
EP1480532B1 true EP1480532B1 (de) 2005-07-27

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EP03706558A Expired - Lifetime EP1480532B1 (de) 2002-02-21 2003-02-21 Vorrichtung zur gleichzeitigen, kontinuierlichen messung und regelung der acetat- und triacetinmenge in filterstäben in der zigarettenindustrie

Country Status (9)

Country Link
US (1) US20050096202A1 (zh)
EP (1) EP1480532B1 (zh)
JP (1) JP3866714B2 (zh)
CN (1) CN100423660C (zh)
AT (1) ATE300194T1 (zh)
AU (1) AU2003208749A1 (zh)
DE (2) DE10207357A1 (zh)
MX (1) MXPA04008059A (zh)
WO (1) WO2003070030A1 (zh)

Cited By (3)

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DE102011006414A1 (de) 2011-03-30 2012-10-04 Hauni Maschinenbau Ag Verfahren und Vorrichtung zur Ermittlung von Gewichtsanteilen in einem Filtermaterial
DE102011006416A1 (de) 2011-03-30 2012-10-04 Hauni Maschinenbau Ag Verfahren und System zum Herstellen eines Filterstrangs
EP2587253A1 (en) 2011-10-26 2013-05-01 TEWS Elektronik GmbH & Co. KG Method and device for online measurement of plasticizer content in an endless filter rod

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DE202007001196U1 (de) * 2006-08-30 2007-05-31 Tews Elektronik Dipl.-Ing. Manfred Tews Filterstabmeßstation zur Messung der Masse eines Weichmachers, der Feuchtigkeit und/oder des trockenen Filtermaterials in einem Filterstab
DE102006041191C5 (de) * 2006-08-30 2016-08-04 Tews Elektronik Dipl.-Ing. Manfred Tews Filtermeßstabstation sowie Verfahren zur Messung der Masse eines Weichmachers in einem Filterstab
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DE102009017962A1 (de) * 2009-04-21 2010-11-04 Hauni Maschinenbau Ag Verfahren und Vorrichtung zur Überprüfung der Qualität von mit Kapseln versehenen Filterstäben
DE102011121918B3 (de) * 2011-12-22 2013-01-17 Tews Elektronik Gmbh & Co. Kg Verfahren und Vorrichtung zur Messung der Position von Segmenten mit absorbierenden Substanzen in Multisegmentfilterstäben der tabakverarbeitenden Industrie
CN104055221B (zh) * 2014-06-19 2016-06-29 福建中烟工业有限责任公司 甘油施加防错控制方法、装置和系统
WO2016016862A1 (en) * 2014-08-01 2016-02-04 Montrade S.P.A. Apparatus and method for the production of filters for cigarettes or other smoking articles
EA034059B1 (ru) * 2015-08-28 2019-12-24 Джт Интернэшнл С.А. Курительное изделие
DE102017101825A1 (de) * 2017-01-31 2018-08-02 Hauni Maschinenbau Gmbh Verfahren und Vorrichtung zum Überwachen und Herstellen eines Filterstrangs der Tabak verarbeitenden Industrie
CN110006843B (zh) * 2019-04-15 2024-02-09 深圳烟草工业有限责任公司 一种在线实时检测滤棒的滤棒成型机
CN111227299B (zh) * 2020-01-16 2022-05-31 浙江中烟工业有限责任公司 滤棒生产过程醋酸纤维和增塑剂在线连续检控系统和方法
CN111257508A (zh) * 2020-01-16 2020-06-09 浙江中烟工业有限责任公司 滤棒在线生产过程增塑剂喷洒量实时定量检测方法
CN111184254B (zh) * 2020-02-27 2021-10-15 贵州中烟工业有限责任公司 一种卷烟滤棒生产的数据监控方法及系统
CN113933433B (zh) * 2021-10-25 2024-05-17 浙江中烟工业有限责任公司 一种针对滤棒增塑剂施加系统的验证方法
CN114271539B (zh) * 2021-12-27 2024-04-02 浙江中烟工业有限责任公司 滤棒成型机功能检验方法

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Publication number Priority date Publication date Assignee Title
DE102011006414A1 (de) 2011-03-30 2012-10-04 Hauni Maschinenbau Ag Verfahren und Vorrichtung zur Ermittlung von Gewichtsanteilen in einem Filtermaterial
DE102011006416A1 (de) 2011-03-30 2012-10-04 Hauni Maschinenbau Ag Verfahren und System zum Herstellen eines Filterstrangs
DE102011006414B4 (de) 2011-03-30 2018-10-11 Hauni Maschinenbau Gmbh Verfahren und Vorrichtung zur Ermittlung von Gewichtsanteilen in einem Filtermaterial
DE102011006416B4 (de) * 2011-03-30 2020-08-13 Hauni Maschinenbau Gmbh Verfahren und System zum Herstellen eines Filterstrangs
DE102011006414C5 (de) * 2011-03-30 2021-02-18 Hauni Maschinenbau Gmbh Verfahren und Vorrichtung zur Ermittlung von Gewichtsanteilen in einem Filtermaterial
EP2587253A1 (en) 2011-10-26 2013-05-01 TEWS Elektronik GmbH & Co. KG Method and device for online measurement of plasticizer content in an endless filter rod
WO2013060476A1 (en) 2011-10-26 2013-05-02 Tews Elektronik Gmbh & Co. Kg Method for online measurement of a plasticizer in an endless filter rod and a device for producing an endless filter rod of the tobacco processing industry
US10324047B2 (en) 2011-10-26 2019-06-18 Tews Elektronik Gmbh & Co., Kg Method for online measurement of a plasticizer in an endless filter rod and a device for producing an endless filter rod of the tobacco processing industry

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Publication number Publication date
CN100423660C (zh) 2008-10-08
AU2003208749A1 (en) 2003-09-09
JP3866714B2 (ja) 2007-01-10
JP2005532040A (ja) 2005-10-27
DE10207357A1 (de) 2003-09-11
DE50300871D1 (de) 2005-09-01
US20050096202A1 (en) 2005-05-05
EP1480532A1 (de) 2004-12-01
CN1635840A (zh) 2005-07-06
WO2003070030A1 (de) 2003-08-28
ATE300194T1 (de) 2005-08-15
MXPA04008059A (es) 2004-11-26

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