EP2852252A1 - Verfahren und Vorrichtung zur Wärmebehandlung eines flexiblen Materials - Google Patents

Verfahren und Vorrichtung zur Wärmebehandlung eines flexiblen Materials Download PDF

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Publication number
EP2852252A1
EP2852252A1 EP14155851.0A EP14155851A EP2852252A1 EP 2852252 A1 EP2852252 A1 EP 2852252A1 EP 14155851 A EP14155851 A EP 14155851A EP 2852252 A1 EP2852252 A1 EP 2852252A1
Authority
EP
European Patent Office
Prior art keywords
flexible material
cylinder
main cylinder
microwaves
heating
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Withdrawn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
EP14155851.0A
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English (en)
French (fr)
Inventor
Eugéne Peenaert
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ANALYSES MESURES POLLUTIONS AMP
Original Assignee
ANALYSES MESURES POLLUTIONS AMP
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Application filed by ANALYSES MESURES POLLUTIONS AMP filed Critical ANALYSES MESURES POLLUTIONS AMP
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/78—Arrangements for continuous movement of material
    • H05B6/788—Arrangements for continuous movement of material wherein an elongated material is moved by applying a mechanical tension to it
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
    • D06B19/007—Fixing of chemicals, e.g. dyestuffs, on textile materials by application of electric energy
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, e.g. by ultrasonic waves, corona discharge, irradiation, electric currents or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/003—Treatment with radio-waves or microwaves
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • H05B6/806—Apparatus for specific applications for laboratory use

Definitions

  • the present invention relates to a method and a device for the heat treatment of flexible materials using a microwave application.
  • the soft materials concerned may be fabric, thread, leather, cardboard, paper ...
  • the treatments concerned may be the polymerization, in particular of textiles, scouring, bleaching, fixation of dyes ... Generally these These treatments involve a rise in temperature and can therefore be qualified as heat treatment.
  • a fabric set in motion by means of rollers is simultaneously subjected to microwaves in an enclosure.
  • microwaves are advantageous because the microwaves allow a short heating time. The process of treating the fabric is therefore shorter. It also makes it possible not to deteriorate the fibers.
  • the invention overcomes the disadvantages presented above by allowing to obtain a high homogeneity of heating.
  • It relates to a method of heat treatment of a flexible material comprising at least one step of circulation of the flexible material on a cylinder in rotational movement and heated from the inside, this step being simultaneous with a step of applying microwaves near the flexible material and opposite the surface of the cylinder.
  • the invention makes it possible to activate the waves by setting these waves in motion.
  • the cylinder is advantageously made of steel, a material that allows good reflection of the waves on its surface.
  • the cylinder is coated with a layer of a material of the type known under the trademark Teflon whose function is the conductivity of microwaves. Teflon heat combined with that of the metal constituting the cylinder has the effect of attracting microwaves.
  • a Teflon layer for example 3 to 5 mm thick, allows the waves to penetrate the fabric to the steel cylinder which reflects the waves. This allows the treatment of the fabric on both sides.
  • the method is implemented in a chamber in a cylinder portion.
  • the enclosure comprises a variable-speed rotating antenna intended to eliminate stationary microwaves inside the enclosure and thus to optimize the yields of the heat treatment of the flexible material.
  • the circulation of the flexible material on the cylinder is guided by guiding means so that the material envelops the cylinder.
  • the guides are for example small cylinders placed near the cylinder on which the flexible material flows.
  • the microwave application step is carried out using orientable microwave sources.
  • the method comprises a preliminary step of heating the flexible material.
  • This embodiment has the advantage of preparing the heating by microwaves which are more efficient from 60 ° C.
  • a plurality of stages of circulation of the flexible material is carried out on a plurality of cylinders in rotational movement and heated from the inside, which steps are performed simultaneously with a micro-application step. waves.
  • This implementation makes it possible to adapt the conditions of the heat treatment.
  • the plurality of cylinders is heated to a plurality of temperatures so as to allow a flexible heat treatment of the flexible material.
  • the heating of at least one cylinder and the characteristics of the movement of the cylinder are controlled by means of a computer program.
  • This feature makes it possible to modify the process depending on the flexible material treated or the desired treatment.
  • the computer program can be stored on removable media.
  • the invention also relates to a device for implementing the method described above as well as a computer program including instructions for implementing such a method.
  • a device 100 for heat treatment of a flexible material 101 comprises at least one cylinder 102 rotated about an axis 103 and heated from the inside.
  • the cylinder 102 is set in motion by a thermo-regulated motor, the temperature taken on the materials being effected by means of infrared probes installed on the wall of the enclosure 102.
  • the flexible material 101 flows.
  • according to the invention comprises at least one microwave application module 104 placed near the cylinder.
  • five microwave application modules 104 are shown. The role of these modules 104 is to apply microwaves to the flexible material 101 when it is circulating on the cylinder 102.
  • microwave sources for example magnetrons of 800 watts, which are oriented towards the cylinder and can in this case be adjustable in order to obtain various kinds of treatment.
  • orientable sources make it possible to determine the best position facing the cylinder 102.
  • the microwave application is made close to the flexible material 101 and opposite the surface of the cylinder 102.
  • the cylinder 102 has no magnetic properties.
  • the invention when the invention is implemented to perform dyeing, it is useful for the cylinder 102 to have oxidation-reduction properties to prevent oxidation of the dye.
  • the cylinder 102 is advantageously made of stainless steel.
  • the heating makes it possible to reach temperatures of the order of at least 200 ° C.
  • the cylindrical shape makes it possible to have a homogeneous distribution of the waves which are thus set in motion in a homogeneous manner.
  • the movement of the cylinder 102 creates a dynamic within the microwave field.
  • the heat and the movement of the cylinder make it possible to control the spatial distribution of the heat sources.
  • the cylinder 102 is coated with a layer 105 of a material of a type known as Teflon.
  • Teflon a material of a type known as Teflon.
  • This material is conductive and transparent for microwaves: it thus allows the microwaves to pass through the fabric and the Teflon layer, are reflected on the cylinder, for example steel, and crosses the Teflon and the fabric.
  • the fabric is treated on both sides.
  • Teflon makes it possible to modify the angle of crossing of the microwaves and as the form is cylindrical this is all the more effective. Teflon thus plays the role of distributor and diffuser of microwaves in the tissue to be treated. It also has the advantage of having non-stick properties and not to oxidize. For example, when dyeing is carried out using the invention, this prevents the dye from sticking to the cylinder.
  • the device 100 comprises an enclosure 107 in cylinder portion, for example a semi-cylindrical enclosure, in which is placed the cylinder 102.
  • the enclosure is for example made of stainless steel.
  • this enclosure 107 which follows the shape of the cylinder 102 are shown five microwave application modules 104.
  • Device 100 may include guides 108, for example, as shown in FIG. figure 1 two small guiding cylinders for guiding the flow of the flexible material 101 on the cylinder 102 so that the flexible material 101 envelopes the cylinder 102.
  • the small guiding cylinders 108 are advantageously covered with Teflon to avoid the reflected waves and the creation of a magnetic field with the main cylinder 102.
  • the device includes computer means, not shown in the figure, for controlling the heating of at least one cylinder 102 and the characteristics of the movement of the cylinder 102 by means of a computer program.
  • the computer program is stored on a removable medium, independent of computer resources.
  • the flexible material is heated before passing into the chamber 107 and the cylinder 102. It can for example receive a spray and / or be passed through a heated bath and / or be passed in a pre-enclosure 106 comprising microwave sources 109 which heat the flexible material. These sources are for example magnetrons of 1200 watts. Thus it is possible to bring the flexible material to a temperature where microwaves are known to be more active, namely around 60 ° C.
  • the device 200 includes a plurality of cylinders 202, 212, 222, for example stainless steel, in rotational movement about axes 203, 213, 223 and heated from the inside on which the flexible material flows.
  • the plurality of cylinders 202, 212, 222 is heated to a plurality of temperatures so as to allow a flexible heat treatment of the flexible material 201.
  • the speeds of passage on the cylinders can also be adjusted. All these data on the implementation characteristics of the method are advantageously stored on a removable computer medium intended to be read by computer means in connection with the device according to the invention in order to control it according to the specific needs of the heat treatment. .
  • the device represented on the figure 2 allows to work at three different temperatures. Mechanical improvements within the reach of those skilled in the art can be used to regulate the speed of the flexible material on these cylinders and at these temperatures.
  • the various treatment devices described above in particular by dipping in a bath or by spraying, are installed between the cylinders of the plurality of cylinders 202, 212.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP14155851.0A 2004-08-19 2005-08-16 Verfahren und Vorrichtung zur Wärmebehandlung eines flexiblen Materials Withdrawn EP2852252A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0451871A FR2874473B1 (fr) 2004-08-19 2004-08-19 Procede et dispositif pour le traitement thermique d'un materiau souple

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP05797481 Addition 2005-08-16

Publications (1)

Publication Number Publication Date
EP2852252A1 true EP2852252A1 (de) 2015-03-25

Family

ID=34948864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14155851.0A Withdrawn EP2852252A1 (de) 2004-08-19 2005-08-16 Verfahren und Vorrichtung zur Wärmebehandlung eines flexiblen Materials

Country Status (3)

Country Link
EP (1) EP2852252A1 (de)
FR (1) FR2874473B1 (de)
WO (1) WO2006021732A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2046093B1 (de) 2007-10-05 2014-01-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum gleichmäßigen Erwärmen von Materialien durch elektromagnetische Hochfrequenzstrahlung
CN102041706B (zh) * 2010-11-18 2012-01-04 天津科技大学 一种分段可加热金属带干燥纸张的装置
FR3006545B1 (fr) 2013-05-28 2015-07-17 Michel Boulard Dispositif de traitement thermique de produits par microondes et procede de traitement thermique mettant en oeuvre un tel dispositif
CN107385985B (zh) * 2017-06-15 2020-02-07 昆明理工大学 一种思茅松化学浆的漂白方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916136A (en) * 1974-05-28 1975-10-28 Gerling Moore Inc Microwave cavity product transport system
EP0031862A1 (de) * 1979-12-28 1981-07-15 The Ichikin, Ltd. Verfahren und Apparat zum Nachbehandeln von textilen Warenbahnen durch Verwendung von Mikrowellen
EP0065057A1 (de) * 1981-05-18 1982-11-24 The Ichikin, Ltd. Verfahren und Vorrichtung zur kontinuierlichen Behandlung textiler Flächengebilde durch die Wirkung von Mikrowellen
EP0179512A1 (de) * 1984-10-02 1986-04-30 Koninklijke Philips Electronics N.V. Mikrowellengerät zum Werkstoffheizen
US5459301A (en) * 1993-03-04 1995-10-17 Miller; Alan E. Cyclic microwave treatment of pressed garments
EP1217454A2 (de) * 2000-12-22 2002-06-26 NexPress Solutions LLC Digitale Druck- oder Kopiermaschine
EP1369751A1 (de) * 2002-06-07 2003-12-10 NexPress Solutions LLC Verfahren und Vorrichtung zum Fixieren von Toner auf einem Substrat

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1479914A1 (de) * 1963-09-25 1969-02-13 Armoride Ltd Verfahren und Vorrichtung zur Herstellung von Schichtstoffen
US3772491A (en) * 1972-03-10 1973-11-13 Gerling Moore Inc Metal roller conveyor for microwave ovens
US4458128A (en) * 1983-03-28 1984-07-03 Raytheon Company Microwave sheet rubber curing
DE4016045A1 (de) * 1990-05-18 1991-11-21 Sucker & Franz Mueller Gmbh Verfahren und vorrichtung zum schlichten von filamentgarn
FR2725219B1 (fr) * 1994-09-29 1996-12-20 Inst Textile De France Procede et appareil d'ennoblissement textile, du type jigger, mettant en oeuvre des ondes electromagnetiques
US5752302A (en) * 1997-04-23 1998-05-19 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for sizing and separating warp yarns using acoustical energy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916136A (en) * 1974-05-28 1975-10-28 Gerling Moore Inc Microwave cavity product transport system
EP0031862A1 (de) * 1979-12-28 1981-07-15 The Ichikin, Ltd. Verfahren und Apparat zum Nachbehandeln von textilen Warenbahnen durch Verwendung von Mikrowellen
EP0065057A1 (de) * 1981-05-18 1982-11-24 The Ichikin, Ltd. Verfahren und Vorrichtung zur kontinuierlichen Behandlung textiler Flächengebilde durch die Wirkung von Mikrowellen
EP0179512A1 (de) * 1984-10-02 1986-04-30 Koninklijke Philips Electronics N.V. Mikrowellengerät zum Werkstoffheizen
US5459301A (en) * 1993-03-04 1995-10-17 Miller; Alan E. Cyclic microwave treatment of pressed garments
EP1217454A2 (de) * 2000-12-22 2002-06-26 NexPress Solutions LLC Digitale Druck- oder Kopiermaschine
EP1369751A1 (de) * 2002-06-07 2003-12-10 NexPress Solutions LLC Verfahren und Vorrichtung zum Fixieren von Toner auf einem Substrat

Also Published As

Publication number Publication date
WO2006021732A2 (fr) 2006-03-02
FR2874473A1 (fr) 2006-02-24
WO2006021732A3 (fr) 2006-08-10
FR2874473B1 (fr) 2008-10-10

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