EP1182413B1 - Process for treatment of material webs - Google Patents

Process for treatment of material webs Download PDF

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Publication number
EP1182413B1
EP1182413B1 EP01114365A EP01114365A EP1182413B1 EP 1182413 B1 EP1182413 B1 EP 1182413B1 EP 01114365 A EP01114365 A EP 01114365A EP 01114365 A EP01114365 A EP 01114365A EP 1182413 B1 EP1182413 B1 EP 1182413B1
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EP
European Patent Office
Prior art keywords
combustion air
speed
fuel gas
radiator
combustion
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EP01114365A
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German (de)
French (fr)
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EP1182413A1 (en
Inventor
Horst Ruppert
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Brueckner Trockentechnik GmbH and Co KG
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Brueckner Trockentechnik GmbH and Co KG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
    • F26B3/305—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements the infrared radiation being generated by combustion or combustion gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N3/00—Regulating air supply or draught
    • F23N3/08—Regulating air supply or draught by power-assisted systems
    • F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means

Definitions

  • the invention relates to a method for the treatment of Goods webs, in particular of textile webs, with at least one IR emitter, the IR radiator with a combustion air fan and Brenngaszu Glassstoffn is in communication and via a control device in his Heating power is controllable.
  • EP-A-0 336 120 From EP-A-0 336 120 a device for heat treatment and / or Drying of a material web known in the infrared heater in the heating power adjustable channels are provided.
  • Another device for treating webs is US-A-3,150,864 to remove, wherein at least one IR radiator with combustion air and Fuel gas means is in communication and via a control device in his Heating power is controllable.
  • EP-A-0 317 178 relates to a gas burner for a water boiler, comprising one in the Speed adjustable fan for the Verbrennungs Kunststoffzu 1987 provides.
  • the invention is based on the object, the method according to US-A-3,150,864 to simplify and increase operational safety.
  • the device for the treatment of webs has at least one IR emitter on, wherein the IR emitter with a combustion air fan and Brenngaszu 1500ffenn is in communication and via a control device in his Heating power is controllable.
  • the combustion air fan is in its speed adjustable and communicates with the control device in such a way that the speed at a desired heat output can be adjusted.
  • the fuel gas supply means have a Pressure regulator on, the fuel gas quantity depending on the Combustion air fan regulates generated air pressure.
  • the fuel gas supply means can thus be fully based on engine driven throttle valves for dosing Are omitted combustion air or fuel gas.
  • variable speed combustion air fan has the Advantage that can be dispensed with the above-mentioned protective measures.
  • an immediate cooling of the IR radiator is desired, instead of the gas-air mixture only air to the IR radiator supplied, with the speed at the highest speed, which may be higher than in the Normal operation can be, is regulated. In this way, there is an immediate Cool down the IR emitter so that the material web is not damaged.
  • the IR emitter also has a radiator surface made of metal mesh, it can be considerably shorten the cooling time of the IR emitter compared to ceramic emitters, because the ceramic radiators due to their high mass a slightly longer cooling time need.
  • the combustion air fan is expediently via a frequency converter controlled by the control device to change the speed.
  • the Control device may be equipped with a temperature and / or humidity sensor Connection to the heat output of the IR emitter by changing the Adjust the speed of the combustion air fan to a desired value.
  • a specific speed is set via the frequency converter the combustion air fan is controlled. This can always be done with an accurate defined heating power to be started.
  • a separate Zündbypass circuit is therefore not mandatory.
  • the controller in conjunction with released to the temperature and / or humidity sensor, so that the temperature or Moisture can be automatically moved to the preselected setpoint.
  • the Frequency converter limited the minimum and maximum fan speed. Thereby will also reduce the minimum and maximum heat output of the IR emitter limited. Within this speed range a continuous power control is ensured.
  • the device shown in Figure 1 in a block diagram in particular for the treatment of webs one or more IR emitters 1, a combustion air fan 2, fuel gas supply means 3 as well a control device 4.
  • the IR radiator 1 is with the combustion air fan 2 and the fuel gas supply means 3 in conjunction with the control device 4 the speed of the combustion air fan 2 is variable, so that the speed to a desired Heating power can be adjusted.
  • the IR emitters 1 are depending on the requirements on one or both sides of a web 5, in particular one textile web, arranged.
  • the web 5 is in a conventional manner relative to the IR emitters 1 transported.
  • In the illustrated embodiment are two IR emitters above the web 5 is shown. With dashed lines are two further spotlights indicated on the underside. The number arranged in and across the transport direction IR emitter depends on the respective requirements.
  • a temperature and / or moisture sensor 6 In the area of the web or somewhere in the area of the Airway of the device is a temperature and / or moisture sensor 6, whose output signal the control device 4 is supplied.
  • the Control device 4 regulates via a frequency converter 7 the speed of the combustion air fan 2, in order to depending on the signal of the temperature and / or Moisture sensor 6 the heating power of the IR emitter 1 to adapt to a desired heat output.
  • the fuel gas supply means 3 have in particular one Pressure regulator 30, the amount of fuel gas in dependence generated by the combustion air fan 2 Combustion air pressure regulates.
  • the pressure regulator 30 is thus via a sense line 31 with the combustion air line 20 in connection.
  • the pressure regulator 30 dosed thus automatically the pressure of the fuel gas in the Fuel gas line 32.
  • the desired ratio of combustion air pressure to fuel gas pressure can be at the pressure regulator set manually or electrically.
  • the fuel gas supply means have more known devices, such as solenoid valves 33, pressure indicators 34, pressure monitor 35, another Pressure regulator 36 and a Gas thoroughlyflußmengenmesser 37 on.
  • a mixer 8 is provided, in which the combustion air mixed with the fuel gas to a gas-air mixture becomes.
  • the mixer 8 can be used in particular as a DC mixer or counter-current mixer be formed.
  • Im in Fig.3 illustrated embodiment is the mixer 8 designed as a counterflow mixer.
  • Input side is the mixer 8 via the combustion air duct 20 with the combustion air fan 2 and the fuel gas line 32 connected to the fuel gas supply means 3.
  • the fuel gas line 32 opens into the combustion air line 20 that the fuel gas 38 in countercurrent introduced to the combustion air 23 and with this is mixed to the gas-air mixture 11.
  • the mixture in the Countercurrent mixer has against the DC mixer higher flow losses, but is essential more intense, so that a more uniform mixed gas-air mixture 11 arises. This in turn leads to a better and more consistent combustion.
  • the gas-air mixture 11 is via the gas-air mixture lines 10 the IR lamps 1 supplied.
  • the IR emitter 1 for example, as a ceramic radiator be educated. Let it be particularly advantageous However, in the context of the invention use IR emitters, whose radiating surface consists of a metal mesh. Such a radiator is shown schematically in Fig.2 shown. It consists essentially of a distribution chamber 12 and a metal fabric 13, for example on a non-illustrated support grid is stretched. The metal fabric 13 may, for example formed by a sintered metal mesh become. The actual combustion zone 14 takes place on the outer Surface or inside the metal fabric 13 instead of. The heat transfer can depend on the type of Firing conditions by radiation or convection.
  • the frequency converter 7 can be a continuous Change in speed and thus a continuous Changing the heating power of the IR radiator 1 causes become.

Abstract

The combustion air fan (2) has a controller (4) adjusting its speed in accordance with the desired heating output. An Independent claim is included for the corresponding method of drying a textile web. Preferred features: Fuel gas (3) is supplied via a pressure regulator (30) controlling gas throughput in accordance with the combustion air pressure developed by the fan. The infra red heater (1) has a radiation surface of metal fabric. A mixer (8) supplied with air and gas in counterflow, is connected to the IR radiation burners.

Description

Die Erfindung betrifft ein Verfahren zur Behandlung von Warenbahnen, insbesondere von textilen Warenbahnen, mit wenigstens einem IR-Strahler, wobei der IR-Strahler mit einem Verbrennungsluftventilator und Brenngaszuführmitteln in Verbindung steht und über eine Regeleinrichtung in seiner Heizleistung steuerbar ist.The invention relates to a method for the treatment of Goods webs, in particular of textile webs, with at least one IR emitter, the IR radiator with a combustion air fan and Brenngaszuführmitteln is in communication and via a control device in his Heating power is controllable.

Aus der Praxis ist es hierbei bekannt, die Brenngasmenge von einem Temperaturregler zu regeln. In Abhängigkeit von der Brenngasmenge wird dann die erforderliche Verbrennungsluft durch einen weiteren Regelkreis angepasst. Die Mengendosierung erfolgt dabei üblicherweise durch Drosselklappen, die über Motoren angesteuert werden. Für die Zündung der IR-Strahler ist zudem eine separate Einrichtung notwendig.From practice, it is known to increase the amount of fuel gas from a temperature controller regulate. Depending on the fuel gas quantity is then required Combustion air adjusted by another control loop. The quantity dosage This is usually done by throttle valves, which are controlled by motors. For the ignition of the IR emitters also a separate device is necessary.

Aus der EP-A-0 336 120 ist eine Vorrichtung zur Wärmebehandlung und/oder Trocknung einer Materialbahn bekannt, bei der Infrarotstrahler mit in der Heizleistung einstellbaren Kanälen vorgesehen sind.From EP-A-0 336 120 a device for heat treatment and / or Drying of a material web known in the infrared heater in the heating power adjustable channels are provided.

Die Literaturstelle "textilpraxis international 1998, Februar, S.169 - 180" beschreibt u.a. gasbeheizte Infrarotstrahler, wobei gemäß Seite 172, linke Spalte, Abs.2 das Gas-Luft-Gemisch in einer separaten Aufbereitungsstation gemischt und dem Strahlungsbrenner zugeführt wird, so dass der Strahlungsbrenner unabhängig von der Leistungsstufe immer das jeweils richtige Gemisch enthält und von 20 bis 100% Leistung regelbar ist.The reference "textilpraxis international 1998, February, p.169 - 180" describes inter alia. Gas-heated infrared radiator, wherein according to page 172, left column, Abs.2 the gas-air mixture mixed in a separate treatment station and the radiant burner is fed so that the radiant burner regardless of the power level always contains the right mixture and is adjustable from 20 to 100% power.

Eine weitere Vorrichtung zur Behandlung von Warenbahnen ist der US-A-3 150 864 zu entnehmen, wobei wenigstens ein IR-Strahler mit Verbrennungsluft- und Brenngasmitteln in Verbindung steht und über eine Regeleinrichtung in seiner Heizleistung steuerbar ist.Another device for treating webs is US-A-3,150,864 to remove, wherein at least one IR radiator with combustion air and Fuel gas means is in communication and via a control device in his Heating power is controllable.

Die EP-A- 0 317 178 betrifft einen Gasbrenner für einen Wasserboiler, der einen in der Drehzahl regelbaren Ventilator für die Verbrennungsluftzuführmittel vorsieht. EP-A-0 317 178 relates to a gas burner for a water boiler, comprising one in the Speed adjustable fan for the Verbrennungsluftzuführmittel provides.

Der Erfindung liegt nun die Aufgabe zugrunde, das Verfahren gemäß US-A-3 150 864 zu vereinfachen und die Betriebssicherheit zu erhöhen.The invention is based on the object, the method according to US-A-3,150,864 to simplify and increase operational safety.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is solved by the features of claim 1.

Weitere Ausgestaltungen der Erfindung sind Gegenstand der abhängigen Ansprüche.Further embodiments of the invention are the subject of the dependent claims.

Die Vorrichtung zur Behandlung von Warenbahnen weist wenigstens einen IR-Strahler auf, wobei der IR-Strahler mit einem Verbrennungsluftventilator und Brenngaszuführmitteln in Verbindung steht und über eine Regeleinrichtung in seiner Heizleistung steuerbar ist. Der Verbrennungsluftventilator ist dabei in seiner Drehzahl regelbar und steht mit der Regeleinrichtung derart in Verbindung, dass die Drehzahl an eine gewünschte Heizleistung angepasst werden kann.The device for the treatment of webs has at least one IR emitter on, wherein the IR emitter with a combustion air fan and Brenngaszuführmitteln is in communication and via a control device in his Heating power is controllable. The combustion air fan is in its speed adjustable and communicates with the control device in such a way that the speed at a desired heat output can be adjusted.

Gemäß einem bevorzugten Ausführungsbeispiel weisen die Brenngaszuführmittel einen Druckregler auf, der die Brenngasmenge in Abhängigkeit des vom Verbrennungsluftventilators erzeugten Luftdrucks regelt. Bei dieser Ausführungsform kann somit vollständig auf motorangesteuerte Drosselklappen zur Dosierung der Verbrennungsluft bzw. des Brenngases verzichtet werden.According to a preferred embodiment, the fuel gas supply means have a Pressure regulator on, the fuel gas quantity depending on the Combustion air fan regulates generated air pressure. In this embodiment can thus be fully based on engine driven throttle valves for dosing Are omitted combustion air or fuel gas.

Eine besonders kritische Situation bei Vorrichtungen zur Behandlung von Warenbahnen mit IR-Strahlern ergibt sich immer dann, wenn der Transport der Warenbahn unterbrochen wird, wie das beispielsweise bei einer Notabschaltung der Fall ist. Werden als IR-Strahler beispielsweise Keramikstrahler eingesetzt, glühen diese aufgrund ihrer verhältnismäßig großen Masse relativ lange nach, wodurch die Warenbahn beschädigt werden kann. Um die Warenbahn in solchen Fällen zu schützen, hat man daher Konstruktionen entwickelt, bei denen die IR-Strahler weggeschwenkt werden können. Eine andere bekannte Lösung sieht vor, dass zwischen Warenbahn und IR-Strahler ein Schutzvorhang gezogen wird. Derartige Schutzmaßnahmen sind jedoch relativ aufwendig. A particularly critical situation with devices for the treatment of webs with IR emitters always results when the transport of the web is interrupted, as is the case for example in an emergency shutdown. Become used as IR emitters, for example ceramic emitters, they glow because of their relatively large mass relatively long after, causing the web damaged can be. To protect the web in such cases, you have therefore Developed designs in which the IR emitters can be swung away. Another known solution provides that between web and IR emitters Protective curtain is pulled. However, such protective measures are relative consuming.

Der Einsatz eines in der Drehzahl regelbaren Verbrennungsluftventilators hat jedoch den Vorteil, dass auf die oben angesprochenen Schutzmaßnahmen verzichtet werden kann. Wird beim Stillstand der Warenbahn oder aus anderen Gründen eine sofortige Abkühlung des IR-Strahlers gewünscht, wird statt des Gas-Luftgemisches lediglich Luft dem IR-Strahler zugeführt, wobei die Drehzahl auf die höchste Drehzahl, die ggf. höher als im Normalbetrieb liegen kann, geregelt wird. Auf diese Weise ergibt sich eine sofortige Abkühlung des IR-Strahlers, so dass die Warenbahn nicht beschädigt wird.However, the use of a variable speed combustion air fan has the Advantage that can be dispensed with the above-mentioned protective measures. Will be at standstill of the web or for other reasons, an immediate cooling of the IR radiator is desired, instead of the gas-air mixture only air to the IR radiator supplied, with the speed at the highest speed, which may be higher than in the Normal operation can be, is regulated. In this way, there is an immediate Cool down the IR emitter so that the material web is not damaged.

Weist der IR-Strahler zudem eine Strahlerfläche aus einem Metallgewebe auf, lässt sich die Abkühlzeit des IR-Strahlers gegenüber von Keramik-Strahlern erheblich verkürzen, da die Keramik-Strahler aufgrund ihrer hohen Masse eine etwas längere Abkühlzeit benötigen.If the IR emitter also has a radiator surface made of metal mesh, it can be considerably shorten the cooling time of the IR emitter compared to ceramic emitters, because the ceramic radiators due to their high mass a slightly longer cooling time need.

Der Verbrennungsluftventilator wird zweckmäßigerweise über einen Frequenzumrichter von der Regeleinrichtung zur Veränderung der Drehzahl angesteuert. Die Regeleinrichtung kann mit einem Temperatur- und/oder Feuchtigkeitssensor in Verbindung stehen, um die Heizleistung des IR-Strahlers durch Veränderung der Drehzahl des Verbrennungsluftventilators an einen gewünschten Wert anzupassen.The combustion air fan is expediently via a frequency converter controlled by the control device to change the speed. The Control device may be equipped with a temperature and / or humidity sensor Connection to the heat output of the IR emitter by changing the Adjust the speed of the combustion air fan to a desired value.

Zur Zündung des IR-Strahlers wird über den Frequenzumrichter eine bestimmte Drehzahl des Verbrennungsluftventilators angesteuert. Dadurch kann immer mit einer genau definierten Heizleistung gestartet werden. Eine separate Zündbypass-Schaltung ist daher nicht erforderlich. Nach erfolgter Zündung wird die Regeleinrichtung in Verbindung mit dem Temperatur- und/oder Feuchtigkeitssensor freigegeben, so dass die Temperatur bzw. Feuchtigkeit automatisch auf den vorgewählten Sollwert gefahren werden kann. Der Frequenzumrichter begrenzt die minimale und maximale Ventilatordrehzahl. Dadurch wird auch die minimale und maximale Heizleistung des IR-Strahlers begrenzt. Innerhalb dieses Drehzahlbereiches wird eine kontinuierliche Leistungsregelung gewährleistet.To ignite the IR emitter, a specific speed is set via the frequency converter the combustion air fan is controlled. This can always be done with an accurate defined heating power to be started. A separate Zündbypass circuit is therefore not mandatory. After ignition is the controller in conjunction with released to the temperature and / or humidity sensor, so that the temperature or Moisture can be automatically moved to the preselected setpoint. Of the Frequency converter limited the minimum and maximum fan speed. Thereby will also reduce the minimum and maximum heat output of the IR emitter limited. Within this speed range a continuous power control is ensured.

Weitere Ausgestaltungen und Vorteile der Erfindung werden anhand der folgenden Beschreibung und der Zeichnung näher erläutert.Further embodiments and advantages of the invention will be based on the following description and the drawing explained in more detail.

In der Zeichnung zeigen

Fig.1
ein Blockschaltbild einer Vorrichtung zur Behandlung von Warenbahnen,
Fig.2
eine schematische Darstellung des IR-Strahlers und
Fig.3
eine schematische Darstellung des Mischers.
In the drawing show
Fig.1
a block diagram of a device for the treatment of webs,
Fig.2
a schematic representation of the IR radiator and
Figure 3
a schematic representation of the mixer.

Die in Fig.1 in einem Blockschaltbild dargestellte Vorrichtung zur Behandlung von Warenbahnen weist insbesondere ein oder mehrere IR-Strahler 1, einen Verbrennungsluftventilator 2, Brenngaszuführmittel 3 sowie eine Regeleinrichtung 4 auf. Der IR-Strahler 1 steht mit dem Verbrennungsluftventilator 2 und den Brenngaszuführmitteln 3 in Verbindung, wobei mit der Regeleinrichtung 4 die Drehzahl des Verbrennungsluftventilators 2 veränderbar ist, so daß die Drehzahl an eine gewünschte Heizleistung angepaßt werden kann.The device shown in Figure 1 in a block diagram in particular for the treatment of webs one or more IR emitters 1, a combustion air fan 2, fuel gas supply means 3 as well a control device 4. The IR radiator 1 is with the combustion air fan 2 and the fuel gas supply means 3 in conjunction with the control device 4 the speed of the combustion air fan 2 is variable, so that the speed to a desired Heating power can be adjusted.

Die IR-Strahler 1 sind je nach Anforderungen auf einer oder beiden Seiten einer Warenbahn 5, insbesondere einer textilen Warenbahn, angeordnet. Die Warenbahn 5 wird in an sich bekannter Art und Weise relativ zu den IR-Strahlern 1 transportiert. Im dargestellten Ausführungsbeispiel sind zwei IR-Strahler oberhalb der Warenbahn 5 dargestellt. Mit gestrichelten Linien sind zwei weitere Strahler auf der Unterseite angedeutet. Die Anzahl der in und quer zur Transportrichtung angeordneten IR-Strahler hängt von den jeweiligen Anforderungen ab.The IR emitters 1 are depending on the requirements on one or both sides of a web 5, in particular one textile web, arranged. The web 5 is in a conventional manner relative to the IR emitters 1 transported. In the illustrated embodiment are two IR emitters above the web 5 is shown. With dashed lines are two further spotlights indicated on the underside. The number arranged in and across the transport direction IR emitter depends on the respective requirements.

Im Bereich der Warenbahn oder irgendwo im Bereich des Abluftweges der Vorrichtung ist ein Temperatur- und/oder Feuchtigkeitssensor 6 vorgesehen, dessen Ausgangssignal der Regeleinrichtung 4 zugeführt wird. Die Regeleinrichtung 4 regelt über einen Frequenzumrichter 7 die Drehzahl des Verbrennungsluftventilators 2, um im in Abhängigkeit des Signals des Temperatur- und/oder Feuchtigkeitssensors 6 die Heizleistung des IR-Strahler 1 an eine gewünschte Heizleistung anzupassen.In the area of the web or somewhere in the area of the Airway of the device is a temperature and / or moisture sensor 6, whose output signal the control device 4 is supplied. The Control device 4 regulates via a frequency converter 7 the speed of the combustion air fan 2, in order to depending on the signal of the temperature and / or Moisture sensor 6 the heating power of the IR emitter 1 to adapt to a desired heat output.

Die Brenngaszuführmittel 3 weisen insbesondere einen Druckregler 30 auf, der die Brenngasmenge in Abhängigkeit des vom Verbrennungsluftventilators 2 erzeugten Verbrennungsluftdrucks regelt. Der Druckregler 30 steht somit über eine Fühlleitung 31 mit der Verbrennungsluftleitung 20 in Verbindung. Der Druckregler 30 dosiert somit selbsttätig den Druck des Brenngases in der Brenngasleitung 32. Das gewünschte Verhältnis von Verbrennungsluftdruck zu Brenngasdruck läßt sich am Druckregler manuell oder elektrisch einstellen.The fuel gas supply means 3 have in particular one Pressure regulator 30, the amount of fuel gas in dependence generated by the combustion air fan 2 Combustion air pressure regulates. The pressure regulator 30 is thus via a sense line 31 with the combustion air line 20 in connection. The pressure regulator 30 dosed thus automatically the pressure of the fuel gas in the Fuel gas line 32. The desired ratio of combustion air pressure to fuel gas pressure can be at the pressure regulator set manually or electrically.

Die Brenngaszuführmittel weisen selbstverständlich weitere an sich bekannte Einrichtungen, wie Magnetventile 33, Druckanzeigen 34, Druckwächter 35, einen weiteren Druckregler 36 und einen Gasdurchflußmengenmesser 37 auf.Of course, the fuel gas supply means have more known devices, such as solenoid valves 33, pressure indicators 34, pressure monitor 35, another Pressure regulator 36 and a Gasdurchflußmengenmesser 37 on.

Auch im Bereich der Verbrennungsluftleitung 20 können weitere Einrichtungen, wie Druckanzeige 21 und Druckwächter 22, vorgesehen sein.Also in the field of combustion air line 20 can other facilities, such as pressure gauge 21 and pressure monitor 22, be provided.

Zwischen dem Verbrennungsluftventilator 2, den Brenngaszuführmitteln 3 und den IR-Strahlern 1 ist ferner ein Mischer 8 vorgesehen, in dem die Verbrennungsluft mit dem Brenngas zu einem Gas-Luftgemisch vermischt wird. Der Mischer 8 kann insbesondere als Gleichstrommischer oder Gegenstrommischer ausgebildet sein. Im in Fig.3 dargestellten Ausführungsbeispiel ist der Mischer 8 als Gegenstrommischer ausgebildet. Eingangsseitig ist der Mischer 8 über die Verbrennungsluftleitung 20 mit dem Verbrennungsluftventilator 2 und über die Brenngasleitung 32 mit den Brenngaszuführmitteln 3 verbunden. Die Brenngasleitung 32 mündet derart in die Verbrennungsluftleitung 20 ein, daß das Brenngas 38 im Gegenstrom zur Verbrennungsluft 23 eingeführt und mit dieser zum Gasluftgemisch 11 vermischt wird. Die Mischung im Gegenstrommischer hat zwar gegenüber dem Gleichstrommischer höhere Strömungsverluste, ist jedoch wesentlich intensiver, so daß ein gleichmäßiger durchmischtes Gas-Luftgemisch 11 entsteht. Dies wiederum führt zu einer besseren und gleichmäßigeren Verbrennung.Between the combustion air fan 2, the fuel gas supply means 3 and the IR emitters 1 is further a mixer 8 is provided, in which the combustion air mixed with the fuel gas to a gas-air mixture becomes. The mixer 8 can be used in particular as a DC mixer or counter-current mixer be formed. Im in Fig.3 illustrated embodiment is the mixer 8 designed as a counterflow mixer. Input side is the mixer 8 via the combustion air duct 20 with the combustion air fan 2 and the fuel gas line 32 connected to the fuel gas supply means 3. The fuel gas line 32 opens into the combustion air line 20 that the fuel gas 38 in countercurrent introduced to the combustion air 23 and with this is mixed to the gas-air mixture 11. The mixture in the Countercurrent mixer has against the DC mixer higher flow losses, but is essential more intense, so that a more uniform mixed gas-air mixture 11 arises. This in turn leads to a better and more consistent combustion.

Das Gas-Luftgemisch 11 wird über die Gas-Luftgemischleitungen 10 den IR-Strahlern 1 zugeführt.The gas-air mixture 11 is via the gas-air mixture lines 10 the IR lamps 1 supplied.

Die IR-Strahler 1 können beispielsweise als Keramik-Strahler ausgebildet sein. Besonders vorteilhaft lassen sich jedoch im Rahmen der Erfindung IR-Strahler einsetzen, deren Strahlerfläche aus einem Metallgewebe besteht. Ein solcher Strahler ist schematisch in Fig.2 dargestellt. Er besteht im wesentlichen aus einer Verteilerkammer 12 und einem Metallgewebe 13, das beispielsweise auf ein nicht näher dargestelltes Stützgitter aufgespannt ist. Das Metallgewebe 13 kann beispielsweise durch ein gesintertes Metallgewebe gebildet werden. Die eigentliche Brennzone 14 findet auf der äußeren Oberfläche oder im Inneren des Metallgewebes 13 statt. Die Wärmeübertragung kann dabei je nach Art der Brennbedingungen durch Strahlung oder Konvektion erfolgen.The IR emitter 1, for example, as a ceramic radiator be educated. Let it be particularly advantageous However, in the context of the invention use IR emitters, whose radiating surface consists of a metal mesh. Such a radiator is shown schematically in Fig.2 shown. It consists essentially of a distribution chamber 12 and a metal fabric 13, for example on a non-illustrated support grid is stretched. The metal fabric 13 may, for example formed by a sintered metal mesh become. The actual combustion zone 14 takes place on the outer Surface or inside the metal fabric 13 instead of. The heat transfer can depend on the type of Firing conditions by radiation or convection.

Im Strahlungsmodus findet die Verbrennung mehr innerhalb des Metallgewebes 13 statt, wobei dieses bis zum Glühen aufheizt. Im Konvektionsmodus sind auf der Oberfläche des Metallgewebes 13 hin- und herhuschende blaue Flammen sichtbar, die den wesentlichen Teil der Heizleistung durch Konvektion freigeben.In radiation mode, the combustion is more inside of the metal fabric 13 instead, this being up to the Annealing heats up. In convection mode are on the surface of metal fabric 13 blue shimmering back and forth Flames visible, which is the essential part of the heating power release by convection.

Zur Zündung des IR-Strahlers 1 wird über den Frequenzumrichter 7 digital eine bestimmte Drehzahl des Verbrennungsluftventilators 2 angesteuert. Dadurch kann immer mit einer genau definierten Strahlerleistung gestartet werden. Eine Zündbypass-Schaltung ist daher nicht erforderlich. Nach erfolgter Zündung wird die Regeleinrichtung 4 freigegeben, so daß die Heizleistung automatisch auf den vorgegebenen Sollwert gefahren wird. Über das Signal des Temperatur- und/oder Feuchtigkeitssensors 6 kann die Regeleinrichtung 4 die Heizleistung durch Änderung der Drehzahl auf einem gewünschten Niveau halten. To ignite the IR emitter 1 is via the frequency converter 7 digital a certain speed of the Combustion air fan 2 controlled. This can always started with a precisely defined radiator output become. An ignition bypass circuit is therefore not mandatory. After ignition, the control device 4 released, so that the heating power automatically moved to the specified setpoint becomes. Via the signal of the temperature and / or humidity sensor 6, the control device 4, the heating power by changing the speed on a desired Keep level.

Durch den Frequenzumrichter 7 kann eine kontinuierliche Veränderung der Drehzahl und damit eine kontinuierliche Veränderung der Heizleistung des IR-Strahlers 1 bewirkt werden.By the frequency converter 7 can be a continuous Change in speed and thus a continuous Changing the heating power of the IR radiator 1 causes become.

Beim Abschalten des Strahlers wird insbesondere die weitere Zufuhr von Brenngas 38 unterbrochen, indem beispielsweise die Magnetventile 33 geschaltet werden. Gleichzeitig bleibt aber der Verbrennungsluftventilator 2 in Betrieb und wird über die Regeleinrichtung 4 und den Frequenzumrichter 7 auf die höchste Drehzahl gesteuert. Die höchste Drehzahl kann ggf. auch über dem normalen Regelbereich liegen. Auf diese Weise findet in den IR-Strahlern 1 keine weitere Verbrennung statt, sondern es wird vielmehr eine erhöhte Luftmenge durchgeblasen. Auf diese Weise kann eine sofortige Abkühlung des IR-Strahlers auf Raumtemperatur innerhalb weniger Sekunden erfolgen. Aufgrund der relativ geringen Masse von IR-Strahlern mit Metallgewebe, sind diese für eine rasche Abkühlung besonders geeignet. Aber auch bei anderen Strahlern, wie insbesondere Keramik-Strahlern kann durch die erhöhte Luftmenge eine schnelle Abkühlung erreicht werden.When switching off the spotlight is in particular the further supply of fuel gas 38 interrupted by, for example the solenoid valves 33 are switched. At the same time, however, the combustion air fan remains 2 in operation and is the control device 4 and the frequency converter 7 is controlled to the highest speed. The highest speed may possibly also above the normal control range. This way finds in the IR emitters 1 no further combustion takes place, Rather, it is blown through an increased amount of air. In this way, an instant cooling off of the IR radiator to room temperature within less Seconds. Due to the relatively low mass from IR emitters with metal mesh, these are for one rapid cooling particularly suitable. But also with others Spotlights, in particular ceramic spotlights Due to the increased amount of air, it can cool down quickly be achieved.

Der besondere Vorteil liegt dann vor allem darin, daß auf Schutzvorhänge und Strahlerabschwenkvorrichtungen, wie sie aus dem Stand der Technik bekannt sind, verzichtet werden kann.The particular advantage then lies in the fact that on protective curtains and spotlight swiveling devices, as known from the prior art omitted can be.

Claims (3)

  1. Method for processing material webs using at least one infrared radiator (1), a quantity of combustion air being mixed with a measured quantity of combustion gas and being supplied to the infrared radiator and the heating capacity of the infrared radiator being able to be controlled,
    characterised in that
    the combustion air is produced by a combustion air ventilator (2), the speed of the combustion air ventilator (2) being changed in order to change the heating capacity,
    and in that the combustion air ventilator (2) is adjusted to the highest speed thereof when the infrared radiator (1) is switched off in order to bring about an immediate cooling of the radiator.
  2. Method according to claim 1, characterised in that the combustion gas quantity is measured in accordance with the pressure of the combustion air.
  3. Method according to claim 1, characterised in that the speed of the combustion air ventilator (2) is adjusted in accordance with a temperature and/or humidity signal.
EP01114365A 2000-08-21 2001-06-13 Process for treatment of material webs Expired - Lifetime EP1182413B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10040788A DE10040788A1 (en) 2000-08-21 2000-08-21 Device and method for treating webs
DE10040788 2000-08-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007085617A1 (en) * 2006-01-25 2007-08-02 Nv Bekaert Sa Flame dryer
CN101375123B (en) * 2006-01-25 2011-06-08 贝卡尔特股份有限公司 Flame dryer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL211467B1 (en) 2002-07-05 2012-05-31 Seco Warwick Społka Z Ograniczoną Odpowiedzialnością Temperature control system
AU2005201746B2 (en) * 2004-10-12 2010-09-30 Lg Electronics Inc. Gas burner and method for controlling the same
ITVR20040162A1 (en) * 2004-10-19 2005-01-19 Moretto Plastics Automation Srl ADHESURING DEHUMIDIFIER FOR GRANULES OF PLASTIC MATERIAL
CN102679356A (en) * 2011-03-15 2012-09-19 佛山市启迪节能科技有限公司 Automatic control mode and device of premixing type secondary burner
CN103234218A (en) * 2013-04-23 2013-08-07 台州英达机械科技有限公司 Fuel delivering device of blast burner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH361271A (en) * 1957-04-20 1962-04-15 Belge Produits Chimiques Sa Device for mixing gases
US3228113A (en) * 1960-08-18 1966-01-11 John J Fannon Products Co Heating apparatus and method
US3150864A (en) * 1962-08-09 1964-09-29 Gas Heat Engineering Corp Apparatus for applying heat treatment to web material
GB8727106D0 (en) * 1987-11-19 1987-12-23 Davair Heating Ltd Gas burner
DE8817120U1 (en) * 1988-04-07 1993-02-04 Vits Maschinenbau Gmbh, 4018 Langenfeld, De
EP0890791A1 (en) * 1997-07-11 1999-01-13 Electrowatt Technology Innovation AG Control device for a burner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007085617A1 (en) * 2006-01-25 2007-08-02 Nv Bekaert Sa Flame dryer
CN101375123B (en) * 2006-01-25 2011-06-08 贝卡尔特股份有限公司 Flame dryer

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DE50105941D1 (en) 2005-05-25
DE10040788A1 (en) 2002-03-07
EP1182413A1 (en) 2002-02-27
ATE293780T1 (en) 2005-05-15

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