EP0446436A2 - Process and device for burning impurities in a media flow - Google Patents

Process and device for burning impurities in a media flow Download PDF

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Publication number
EP0446436A2
EP0446436A2 EP90123053A EP90123053A EP0446436A2 EP 0446436 A2 EP0446436 A2 EP 0446436A2 EP 90123053 A EP90123053 A EP 90123053A EP 90123053 A EP90123053 A EP 90123053A EP 0446436 A2 EP0446436 A2 EP 0446436A2
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EP
European Patent Office
Prior art keywords
flue gas
gas mixing
mixing tube
heat exchanger
exchanger tubes
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90123053A
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German (de)
French (fr)
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EP0446436A3 (en
EP0446436B1 (en
Inventor
Herbert Dipl.-Ing. Obermüller
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H Krantz GmbH and Co
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H Krantz GmbH and Co
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Priority to AT90123053T priority Critical patent/ATE86028T1/en
Publication of EP0446436A2 publication Critical patent/EP0446436A2/en
Publication of EP0446436A3 publication Critical patent/EP0446436A3/en
Application granted granted Critical
Publication of EP0446436B1 publication Critical patent/EP0446436B1/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator

Definitions

  • the invention relates to a method for burning contaminants contained in a media stream, the media stream with the contaminants being passed through heat exchanger tubes and passed through a combustion chamber in the heated state. From there, the media flow is discharged through a flue gas mixing tube and then through a main combustion chamber concentrically surrounding the flue gas mixing tube and finally, freed from the contaminants, via the heat exchanger tubes.
  • the invention also relates to a device for burning contaminants contained in a media stream, consisting of a cylindrical container with an inlet connector and an outlet connector for the media stream. This is first introduced through an internally cylindrical bundle of axially extending bundles of heat exchanger tubes into an annular chamber which surrounds a burner arranged on one end of the container and passes into a flue gas mixing tube arranged concentrically with the container. This in turn is connected to a main combustion chamber, from which the media flow can be fed to the outlet connection via the heat exchanger tubes.
  • the proportion of oxidizable constituents in the media stream must be limited to a certain extent so that the combustion chamber temperature can be kept at its desired level even with a minimum burner output.
  • a combustion method is known from DE-OS 36 05 415, wherein the exhaust gas and fresh air that have already been cleaned are at least partially mixed with the media stream to be supplied to the combustion device to the desired extent.
  • the cleaned exhaust gas to be mixed is discharged either after flowing around a heat exchanger or directly from the burner chamber and has to be fed back into the device via a special line system. This is to prevent control mechanisms, such as flaps or valves, which work precisely in the event of pressure fluctuations and which must have a relatively good seal, are exposed to high temperatures. To carry out the known method, a relatively large expenditure on the device is therefore inevitable.
  • the invention is based on the object of proposing a method of the type described at the outset which makes it unnecessary to keep the temperature constant in the event of fluctuating amounts of oxidizable constituents in the media stream Introduce the media flow into the combustion device by admixing to lower the concentration of the oxidizable constituents.
  • the combustion chamber temperature can surprisingly nevertheless be kept very effectively at a constant level.
  • the media mixture flows around the full length of the flue gas mixing tube as it passes through the main combustion chamber, thereby influencing the combustion chamber temperature. This is also influenced by the temperature of the media flow flowing from the heat exchanger tubes to the burner. Since the heat exchanger tubes are also flushed by a media stream which is reduced as a function of the admixing volume, the temperature of the media stream flowing to the burner can also be influenced, depending on the temperature thereof, without a media stream mixture itself having to be supplied to the burner beforehand.
  • a device as described above is suitable for carrying out this method, in which, according to the invention, a controllable bypass is connected to a prechamber provided with the inlet connector, from which the heat exchanger tubes are fed, and which opens concentrically in the outlet region of the flue gas mixing tube.
  • the inflow cross section of the bypass can be controlled in a simple manner by means of a flap which is mounted within the prechamber and is therefore not exposed to high temperatures, especially since the volume flow to be mixed has a relatively low temperature which acts on the flap area.
  • the bypass is provided with a connecting piece which projects into the flue gas mixing tube, has radial openings and is sealed at the end.
  • the device consists essentially of a cylindrical container 1, which is provided on the outside with a heat and sound insulation 2.
  • the container 1 is provided in the vicinity of an end face 3 with an inlet connection 4 which penetrates radially through the container wall and is connected to the suction side of a radial blower 5 arranged concentrically on the end face.
  • An impeller 6 of the radial fan 5 is surrounded by a housing 7 which is provided with an annular gap 8. This opens into a prechamber 9, which is connected both to the inlet side of heat exchanger tubes 10, which are arranged cylindrically near the jacket of the container 1, and to the inlet side of a coxial bypass 11.
  • the heat exchanger tubes 10 extend axially over the most essential part of the length of the container 1 and open into an annular chamber 12 which adjoins an end face 13 of the container 1.
  • the annular chamber 12 encloses a burner 14, which is arranged concentrically on the end face 13 and opens into a coaxial flue gas mixing tube 15.
  • the outlet cross section of the flue gas mixing tube 15 lies at an axial distance from one that separates the antechamber 9 from the rest of the container 1 End wall 16. This is assigned a cylinder 17, which extends over the most essential part of the length of the flue gas mixing tube 15 and defines with it a main combustion chamber 18 which is connected in the vicinity of the inlet cross section of the flue gas mixing tube 15 to an annular space 19 which connects the heat exchanger tubes 10 contains. An outlet connection 20 is connected to the annular space 19, adjacent to the inlet connection 4.
  • the bypass 11 is equipped with a flap 21, with which the media flow conveyed via the radial fan 5 into the prechamber 9 is, to a greater or lesser extent, via the bypass 11 bypassing the heat exchanger tubes 10, the annular chamber 12 and the burner 14 Leaving from the flue gas mixing tube 15 and so far already pre-treated media stream can be admixed.
  • the bypass 11 consists of a nozzle 22 which is provided with radial openings 23 and is closed on the end face.
  • the container 1 can also be arranged vertically instead of in the horizontal position shown in FIG. 1, with either the radial fan 5 on the bottom side and the burner 14 on the ceiling side (FIG. 2) or the radial fan 5 on the ceiling side and the burner 14 are arranged on the bottom (FIG. 3).
  • the inlet connector 4 and the outlet connector 20 are provided on opposite sides of the container 1.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Gas Burners (AREA)

Abstract

With fluctuating quantities of oxidisable components in a media flow which is to be cleaned by combustion of these components, the concentration of the oxidisable components is reduced by admixing. In order to render unnecessary admixing before the introduction of the media flow into the combustion device and yet keep the combustion chamber temperature at its desired level, it is proposed to admix a variable proportion of the media flow containing impurities and/or a proportion of fresh air to the media flow emerging from a flue gas mixing pipe (15). The flue gas mixing pipe (15) is arranged downstream of a burner (14) in the direction of flow so that admixing takes place after the media flow has already passed the burner (14). <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Verbrennen von in einem Medienstrom enthaltenen Störstoffen, wobei der Medienstrom mit den Störstoffen durch Wärmetauscherrohre hindurchgeleitet und in aufgeheiztem Zustand durch eine Brennkammer geführt wird. Von dort aus wird der Medienstrom durch ein Rauchgasmischrohr und anschließend durch eine das Rauchgasmischrohr konzentrisch umgebende Hauptbrennkammer und schließlich, von den Störstoffen befreit, über die Wärmetauscherrohre abgeleitet.The invention relates to a method for burning contaminants contained in a media stream, the media stream with the contaminants being passed through heat exchanger tubes and passed through a combustion chamber in the heated state. From there, the media flow is discharged through a flue gas mixing tube and then through a main combustion chamber concentrically surrounding the flue gas mixing tube and finally, freed from the contaminants, via the heat exchanger tubes.

Die Erfindung betrifft auch eine Vorrichtung zum Verbrennen von in einem Medienstrom enthaltenen Störstoffen, bestehend aus einem zylindrischen Behälter mit einem Eintrittsstutzen und einem Austrittsstutzen für den Medienstrom. Dieser wird zunächst durch im Innern des Behälters zylinderförmig angeordnete und sich axial erstreckende Bündel aus Wärmetauscherrohren in eine Ringkammer eingeleitet, die einen an einer Stirnseite des Behälters angeordneten Brenner umschließt und in ein konzentrisch zum Behälter angeordnetes Rauchgasmischrohr übergeht. Dieses ist wiederum mit einer Hauptbrennkammer verbunden, von der aus der Medienstrom über die Wärmetauscherrohre dem Austrittsstutzen zuleitbar ist.The invention also relates to a device for burning contaminants contained in a media stream, consisting of a cylindrical container with an inlet connector and an outlet connector for the media stream. This is first introduced through an internally cylindrical bundle of axially extending bundles of heat exchanger tubes into an annular chamber which surrounds a burner arranged on one end of the container and passes into a flue gas mixing tube arranged concentrically with the container. This in turn is connected to a main combustion chamber, from which the media flow can be fed to the outlet connection via the heat exchanger tubes.

Da die Brennkammertemperatur bestimmte Werte nicht überschreiten darf, muß die anteilige Menge oxidierbarer Bestandteile im Medienstrom auf ein bestimmtes Ausmaß begrenzt werden, damit auch bei minimaler Brennerleistung die Brennkammertemperatur auf ihrem Sollniveau gehalten werden kann.Since the combustion chamber temperature must not exceed certain values, the proportion of oxidizable constituents in the media stream must be limited to a certain extent so that the combustion chamber temperature can be kept at its desired level even with a minimum burner output.

Um dennoch einen Medienstrom mit größeren Mengen an oxidierbaren Bestandteilen behandeln zu können, ist aus der DE-OS 36 05 415 ein Verbrennungsverfahren bekannt, wobei dem der Verbrennungsvorrichtung zuzuführenden Medienstrom im gewünschten Umfang zumindest teilweise innerhalb der Vorrichtung bereits gereinigtes Abgas und auch Frischluft beigemischt wird. Das beizumischende gereinigte Abgas wird entweder nach Umströmung eines Wärmetauschers oder unmittelbar aus dem Brennerraum abgeführt und muß über ein besonderes Leitungssystem der Vorrichtung wieder zugeführt werden. Dadurch soll vermieden werden, daß Steuermechanismen, wie Klappen oder Ventile, die bei Druckschwankungen exakt arbeiten und über eine relativ gute Dichtigkeit verfügen müssen, hohen Temperaturen ausgesetzt sind. Zur Durchführung des bekannten Verfahrens ist daher ein verhältnismäßig großer Vorrichtungsaufwand unvermeidlich.In order to be able to treat a media stream with larger amounts of oxidizable constituents, a combustion method is known from DE-OS 36 05 415, wherein the exhaust gas and fresh air that have already been cleaned are at least partially mixed with the media stream to be supplied to the combustion device to the desired extent. The cleaned exhaust gas to be mixed is discharged either after flowing around a heat exchanger or directly from the burner chamber and has to be fed back into the device via a special line system. This is to prevent control mechanisms, such as flaps or valves, which work precisely in the event of pressure fluctuations and which must have a relatively good seal, are exposed to high temperatures. To carry out the known method, a relatively large expenditure on the device is therefore inevitable.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs beschriebenen Art vorzuschlagen, das es zur Konstanthaltung der Temperatur bei schwankenden Mengen oxidierbarer Bestandteile im Medienstrom entbehrlich macht, vor Einleitung des Medienstroms in die Verbrennungsvorrichtung durch Zumischung die Konzentration der oxidierbaren Bestandteile abzusenken.The invention is based on the object of proposing a method of the type described at the outset which makes it unnecessary to keep the temperature constant in the event of fluctuating amounts of oxidizable constituents in the media stream Introduce the media flow into the combustion device by admixing to lower the concentration of the oxidizable constituents.

Zur Lösung dieser Aufgabe wird von einem Verfahren der im Oberbegriff des Anspruchs 1 genannten gattungsgemäßen Art ausgegangen, welches erfindungsgemäß die im kennzeichnenden Teil desselben angegebenen Merkmale aufweist.To achieve this object, a method of the generic type mentioned in the preamble of claim 1 is assumed, which according to the invention has the features specified in the characterizing part of the same.

Durch die erfindungsgemäße Zumischung in einem Bereich, in dem der Haupt-Medienstrom bereits den Brenner und den wesentlichsten Teil des daran angeschlossenen Rauchgasmischrohrs passiert hat, läßt sich überraschenderweise gleichwohl die Brennkammertemperatur sehr wirksam auf einem konstanten Niveau halten. Das Mediengemisch umströmt nämlich bei seiner Passage durch die Hauptbrennkammer das Rauchgasmischrohr über dessen volle Länge und beeinflußt dadurch die Brennkammertemperatur. Diese wird zudem durch die Temperatur des aus den Wärmetauscherrohren dem Brenner zuströmenden Medienstroms beeinflußt. Da auch die Wärmetauscherrohre vom von einem in Abhängigkeit vom Zumischvolumen reduzierten Medienstrom durchspült werden, ist somit - abhängig auch von dessen Temperatur - auch die Temperatur des dem Brenner zuströmenden Medienstroms beeinflußbar, ohne daß diesem selbst zuvor ein Medienstromgemisch zugeleitet werden muß.Through the admixture according to the invention in a region in which the main media stream has already passed the burner and the most essential part of the flue gas mixing tube connected to it, the combustion chamber temperature can surprisingly nevertheless be kept very effectively at a constant level. The media mixture flows around the full length of the flue gas mixing tube as it passes through the main combustion chamber, thereby influencing the combustion chamber temperature. This is also influenced by the temperature of the media flow flowing from the heat exchanger tubes to the burner. Since the heat exchanger tubes are also flushed by a media stream which is reduced as a function of the admixing volume, the temperature of the media stream flowing to the burner can also be influenced, depending on the temperature thereof, without a media stream mixture itself having to be supplied to the burner beforehand.

Zur Durchführung dieses Verfahrens bietet sich eine oben beschriebene Vorrichtung an, bei der erfindungsgemäß an eine mit dem Eintrittsstutzen versehene Vorkammer, aus der die Wärmetauscherrohre gespeist werden, ein regulierbarer Bypass angeschlossen ist, der konzentrisch im Auslaßbereich des Rauchgasmischrohrs mündet.A device as described above is suitable for carrying out this method, in which, according to the invention, a controllable bypass is connected to a prechamber provided with the inlet connector, from which the heat exchanger tubes are fed, and which opens concentrically in the outlet region of the flue gas mixing tube.

Der Einströmquerschnitt des Bypasses läßt sich in einfacher Weise durch eine Klappe steuern, die innerhalb der Vorkammer gelagert ist und schon deshalb keinen hohen Temperaturen ausgesetzt wird, zumal der zuzumischende Volumenstrom verhältnismäßig niedriger Temperatur den Klappenbereich beaufschlagt.The inflow cross section of the bypass can be controlled in a simple manner by means of a flap which is mounted within the prechamber and is therefore not exposed to high temperatures, especially since the volume flow to be mixed has a relatively low temperature which acts on the flap area.

Nach einer Ausgestaltung der Erfindung ist der Bypass mit einem in das Rauchgasmischrohr hineinragenden, radiale Durchbrüche aufweisenden und stirnseitig verschlossenen Stutzen versehen.According to one embodiment of the invention, the bypass is provided with a connecting piece which projects into the flue gas mixing tube, has radial openings and is sealed at the end.

Durch diese Ausgestaltung kann dem aus dem Rauchgasmischrohr austretenden Medienstrom ein Anteil des noch mit Störstoffen behafteten Medienstroms oder aber auch Frischluft intensiv induziert werden.With this configuration, a portion of the media stream still contaminated with contaminants or else fresh air can be intensively induced in the media stream emerging from the flue gas mixing tube.

In der Zeichnung ist ein Ausführungsbeispiel einer Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens dargestellt. Es zeigen:

Fig. 1
einen Längsschnitt durch die Vorrichtung;
Fig. 2 und 3
je eine mit ihrer Mittelachse vertikal angeordnete Vorrichtung.
In the drawing, an embodiment of an apparatus for performing the method according to the invention is shown. Show it:
Fig. 1
a longitudinal section through the device;
2 and 3
one device vertically arranged with its central axis.

Die Vorrichtung besteht im wesentlichen aus einem zylindrischen Behälter 1, der außenseitig mit einer wärme- und schalldämmenden Isolierung 2 versehen ist.The device consists essentially of a cylindrical container 1, which is provided on the outside with a heat and sound insulation 2.

Der Behälter 1 ist in der Nähe einer Stirnseite 3 mit einem die Behälterwandung radial durchdringenden Eintrittsstutzen 4 versehen, der an die Saugseite eines konzentrisch auf der Stirnseite angeordneten Radialgebläses 5 angeschlossen ist. Ein Laufrad 6 des Radialgebläses 5 ist von einem Gehäuse 7 umgeben, das mit einem Ringspalt 8 versehen ist. Dieser mündet in eine Vorkammer 9, die sowohl mit der Eintrittsseite von in Mantelnähe des Behälters 1 zylinderförmig angeordneten Wärmetauscherrohren 10 wie auch mit der Eintrittsseite eines koxialen Bypasses 11 in Verbindung steht.The container 1 is provided in the vicinity of an end face 3 with an inlet connection 4 which penetrates radially through the container wall and is connected to the suction side of a radial blower 5 arranged concentrically on the end face. An impeller 6 of the radial fan 5 is surrounded by a housing 7 which is provided with an annular gap 8. This opens into a prechamber 9, which is connected both to the inlet side of heat exchanger tubes 10, which are arranged cylindrically near the jacket of the container 1, and to the inlet side of a coxial bypass 11.

Die Wärmetauscherrohre 10 erstrecken sich axial über den wesentlichsten Teil der Länge des Behälters 1 und münden in eine Ringkammer 12, die an eine Stirnseite 13 des Behälters 1 angrenzt. Die Ringkammer 12 umschließt einen Brenner 14, der konzentrisch auf der Stirnseite 13 angeordnet ist und in ein koaxiales Rauchgasmischrohr 15 mündet.The heat exchanger tubes 10 extend axially over the most essential part of the length of the container 1 and open into an annular chamber 12 which adjoins an end face 13 of the container 1. The annular chamber 12 encloses a burner 14, which is arranged concentrically on the end face 13 and opens into a coaxial flue gas mixing tube 15.

Der Austrittsquerschnitt des Rauchgasmischrohrs 15 liegt in einem axialen Abstand zu einer die Vorkammer 9 vom übrigen Teil des Behälters 1 abtrennenden Stirnwand 16. Dieser ist ein Zylinder 17 zugeordnet, der sich über den wesentlichsten Teil der Länge des Rauchgasmischrohrs 15 erstreckt und mit diesem eine Hauptbrennkammer 18 definiert, die in der Nähe des Eintrittsquerschnitts des Rauchgasmischrohrs 15 mit einem Ringraum 19 verbunden ist, welcher die Wärmetauscherrohre 10 enthält. Am Ringraum 19 ist, dem Eintrittsstutzen 4 benachbart, ein Austrittsstutzen 20 angeschlossen.The outlet cross section of the flue gas mixing tube 15 lies at an axial distance from one that separates the antechamber 9 from the rest of the container 1 End wall 16. This is assigned a cylinder 17, which extends over the most essential part of the length of the flue gas mixing tube 15 and defines with it a main combustion chamber 18 which is connected in the vicinity of the inlet cross section of the flue gas mixing tube 15 to an annular space 19 which connects the heat exchanger tubes 10 contains. An outlet connection 20 is connected to the annular space 19, adjacent to the inlet connection 4.

Der Bypass 11 ist mit einer Klappe 21 ausgerüstet, mit der sich der über das Radialgebläse 5 in die Vorkammer 9 geförderte Medienstrom zu einem mehr oder weniger großen Teil über den Bypass 11 unter Umgehung der Wärmetauscherrohre 10, der Ringkammer 12 und des Brenners 14 unmittelbar dem aus dem Rauchgasmischrohr 15 austretenden und insoweit bereits vorbehandelten Medienstrom beimischen läßt. Dazu besteht der Bypass 11 aus einem Stutzen 22, der mit radialen Durchbrüchen 23 versehen und stirnseitig verschlossen ist.The bypass 11 is equipped with a flap 21, with which the media flow conveyed via the radial fan 5 into the prechamber 9 is, to a greater or lesser extent, via the bypass 11 bypassing the heat exchanger tubes 10, the annular chamber 12 and the burner 14 Leaving from the flue gas mixing tube 15 and so far already pre-treated media stream can be admixed. For this purpose, the bypass 11 consists of a nozzle 22 which is provided with radial openings 23 and is closed on the end face.

Wie die Fig. 2 und 3 zeigen, läßt sich der Behälter 1 statt in der in Fig. 1 dargestellten horizontalen Position auch vertikal anordnen, wobei entweder das Radialgebläse 5 bodenseitig und der Brenner 14 deckenseitig (Fig. 2) oder das Radialgebläse 5 deckenseitig und der Brenner 14 bodenseitig (Fig. 3) angeordnet sind. Der Eintrittsstutzen 4 und der Austrittsstutzen 20 sind dabei auf gegenüberliegenden Seiten des Behälters 1 vorgesehen.As shown in FIGS. 2 and 3, the container 1 can also be arranged vertically instead of in the horizontal position shown in FIG. 1, with either the radial fan 5 on the bottom side and the burner 14 on the ceiling side (FIG. 2) or the radial fan 5 on the ceiling side and the burner 14 are arranged on the bottom (FIG. 3). The inlet connector 4 and the outlet connector 20 are provided on opposite sides of the container 1.

Claims (3)

Verfahren zum Verbrennen von in einem Medienstrom enthaltenen Störstoffen, wobei der Medienstrom mit den Störstoffen durch Wärmetauscherrohre hindurchgeleitet und in aufgeheiztem Zustand durch eine Brennkammer geführt wird, um von dort aus durch ein Rauchgasmischrohr und anschließend durch eine das Rauchgasmischrohr konzentrisch umgebende Hauptbrennkammer und schließlich, von den Störstoffen befreit, über die Wärmetauscherrohre abgeleitet zu werden, dadurch gekennzeichnet, daß ein variabler Anteil des Störstoffe enthaltenden Medienstroms und/oder ein Anteil Frischluft dem aus dem Rauchgasmischrohr austretenden Medienstrom unmittelbar zugemischt wird.Process for the combustion of contaminants contained in a media stream, the media stream with the contaminants being passed through heat exchanger tubes and passed through a combustion chamber in a heated state, from there through a flue gas mixing tube and then through a main combustion chamber concentrically surrounding the flue gas mixing tube and finally, from the Contaminants are freed to be discharged via the heat exchanger tubes, characterized in that a variable portion of the media stream containing the contaminants and / or a portion of fresh air is directly mixed into the media stream emerging from the flue gas mixing tube. Vorrichtung aus einem zylindrischen Behälter (1) mit einem Eintrittsstutzen (4) und einem Austrittsstutzen (20) für den Medienstrom, der durch im Innern des Behälters (1) zylinderförmig angeordnete und sich axial erstreckende Bündel aus Wärmetauscherrohren (10) in eine Ringkammer (12) einleitbar ist, die einen an einer Stirninnenseite des Behälters (1) angeordneten Brenner (14) umschließt, und in ein konzentrisch zum Behälter (1) angeordnetes Rauchgasmischrohr (15) übergeht, das mit einer Hauptbrennkammer (18) verbunden ist, von der aus der Medienstrom durch einen Ringraum (19) über die Wärmetauscherrohre (10) dem Austrittsstutzen (20) zuleitbar ist, zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß an eine mit dem Eintrittsstutzen (4) versehene Vorkammer (9), aus der die Wärmetauscherrohre (10) gespeist werden, ein regulierbarer Bypass (11) angeschlossen ist, der konzentrisch im Auslaßbereich des Rauchgasmischrohrs (15) mündet.Device consisting of a cylindrical container (1) with an inlet connector (4) and an outlet connector (20) for the media flow, which flows into an annular chamber (12) through bundles of heat exchanger tubes (10) which are arranged in a cylindrical manner in the interior of the container (1) and extend axially ) can be introduced, which surrounds a burner (14) arranged on an inside face of the container (1), and passes into a flue gas mixing tube (15) arranged concentrically to the container (1), which is connected to a main combustion chamber (18), from which the media flow through an annular space (19) via the heat exchanger tubes (10) Outlet pipe (20) can be fed in to carry out the method according to claim 1, characterized in that an adjustable bypass (11) is connected to a prechamber (9) provided with the inlet pipe (4), from which the heat exchanger tubes (10) are fed is, which opens concentrically in the outlet area of the flue gas mixing tube (15). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Bypass (11) mit einem in das Rauchgasmischrohr (15) hineinragenden, radiale Durchbrüche (23) aufweisenden und stirnseitig verschlossenen Stutzen (22) versehen ist.Apparatus according to claim 2, characterized in that the bypass (11) is provided with a connecting piece (22) which projects into the flue gas mixing tube (15) and has radial openings (23) and is sealed at the end.
EP90123053A 1990-03-10 1990-12-01 Process and device for burning impurities in a media flow Expired - Lifetime EP0446436B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90123053T ATE86028T1 (en) 1990-03-10 1990-12-01 METHOD AND DEVICE FOR BURNING CONTAMINANT SUBSTANCES CONTAINED IN A MEDIA STREAM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4007624 1990-03-10
DE4007624 1990-03-10

Publications (3)

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EP0446436A2 true EP0446436A2 (en) 1991-09-18
EP0446436A3 EP0446436A3 (en) 1992-02-26
EP0446436B1 EP0446436B1 (en) 1993-02-24

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EP90123053A Expired - Lifetime EP0446436B1 (en) 1990-03-10 1990-12-01 Process and device for burning impurities in a media flow

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US (1) US5161966A (en)
EP (1) EP0446436B1 (en)
AT (1) ATE86028T1 (en)
CA (1) CA2037866A1 (en)
DE (1) DE59000936D1 (en)

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IT1248599B (en) * 1991-05-10 1995-01-19 Bono En S P A PROCEDURE AND EQUIPMENT FOR THE THERMAL DESTRUCTION OF POLLUTING INDUSTRIAL WASTE
US5284102A (en) * 1992-07-27 1994-02-08 Salem Industries, Inc. Fume incinerator with baffle
US5275115A (en) * 1993-03-12 1994-01-04 Reagan Houston Fume incinerator with vacuum baffle
GB9609151D0 (en) * 1996-05-01 1996-07-03 Cremation Techn Int Ltd Cremators
US7069981B2 (en) * 2002-11-08 2006-07-04 Modine Manufacturing Company Heat exchanger
DE10350765B4 (en) * 2003-10-30 2005-12-29 Eisenmann Maschinenbau Gmbh & Co. Kg Set of thermal afterburners
AT507098B1 (en) * 2008-12-02 2010-02-15 Knopf Privatstiftung METHOD AND DEVICE FOR CASCADIC BIOMASS OXIDATION WITH THERMAL RECONDITIONING
DE102014205200B3 (en) * 2014-03-20 2015-06-11 Kba-Metalprint Gmbh Device for thermal afterburning of exhaust air
FR3079020B1 (en) * 2018-03-19 2020-08-07 Argumat BLUE SMOKE BURNER FOR THE DEPOLLUTION OF A COATING PLANT, COATING PLANT AND ASSOCIATED DEPOLLUTION PROCESS
CN110566982B (en) * 2019-10-10 2020-11-03 江苏中矿贝莱柯环境科技有限公司 Combustion device for waste gas environment-friendly treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219686A1 (en) * 1972-04-21 1973-10-25 Gimborn Probat Werke THERMAL AFTERBURNER
FR2248470A1 (en) * 1973-10-18 1975-05-16 Katec Katalytische Lufttech Be
EP0047346A1 (en) * 1980-09-01 1982-03-17 John Zink Company Disposal of oxides of nitrogen and heat recovery in a single self-contained structure
WO1987005090A1 (en) * 1986-02-20 1987-08-27 Katec Betz Gmbh & Co. Method and device for the post combustion of process exhaust gasses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898040A (en) * 1972-06-29 1975-08-05 Universal Oil Prod Co Recuperative form of thermal-catalytic incinerator
FR2257209A5 (en) * 1973-11-15 1975-08-01 Air Ind
US4038032A (en) * 1975-12-15 1977-07-26 Uop Inc. Method and means for controlling the incineration of waste
US4098567A (en) * 1976-10-01 1978-07-04 Gladd Industries, Inc. Recirculating processing oven heater
US4771707A (en) * 1983-05-12 1988-09-20 Haden Schweitzer Corporation Fume incineration system for paint drying oven
US4951579A (en) * 1987-11-18 1990-08-28 Radian Corporation Low NOX combustion process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219686A1 (en) * 1972-04-21 1973-10-25 Gimborn Probat Werke THERMAL AFTERBURNER
FR2248470A1 (en) * 1973-10-18 1975-05-16 Katec Katalytische Lufttech Be
EP0047346A1 (en) * 1980-09-01 1982-03-17 John Zink Company Disposal of oxides of nitrogen and heat recovery in a single self-contained structure
WO1987005090A1 (en) * 1986-02-20 1987-08-27 Katec Betz Gmbh & Co. Method and device for the post combustion of process exhaust gasses

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DE59000936D1 (en) 1993-04-01
ATE86028T1 (en) 1993-03-15
EP0446436A3 (en) 1992-02-26
US5161966A (en) 1992-11-10
EP0446436B1 (en) 1993-02-24
CA2037866A1 (en) 1991-09-11

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