EP0061617B1 - Combustion chamber for heating boilers - Google Patents

Combustion chamber for heating boilers Download PDF

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Publication number
EP0061617B1
EP0061617B1 EP82101894A EP82101894A EP0061617B1 EP 0061617 B1 EP0061617 B1 EP 0061617B1 EP 82101894 A EP82101894 A EP 82101894A EP 82101894 A EP82101894 A EP 82101894A EP 0061617 B1 EP0061617 B1 EP 0061617B1
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EP
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Prior art keywords
combustion chamber
accordance
plate
plate elements
section
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EP82101894A
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German (de)
French (fr)
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EP0061617A1 (en
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Heinz Helmut Piest
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02—Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 

Definitions

  • the invention relates to a combustion chamber for boilers, in particular for oil-fired boilers, consisting of at least one section which is wholly or partly enclosing the flame and is formed by floor and wall elements, at the front ends of which an additional or similar section can be connected to form an extended or enlarged combustion chamber.
  • Such a combustion chamber is known from DE-C-931 723.
  • the sections of these known combustion chambers each consist of two semi-U-shaped side parts which can be joined together to form a U part and an optionally open cover plate.
  • a self-supporting construction is not possible, rather the side parts have to be supported on the walls of the boiler.
  • US-A-2 369 965 describes a combustion chamber in the form of a tubular section with a vertical tube axis.
  • the section is composed of a large number of wall parts, the abutting edges of which partially overlap or overlap one another.
  • a self-supporting arrangement of this known combustion chamber with a horizontal axis is not possible. This means that this combustion chamber cannot be used in conventional boilers with oil burners which produce an essentially horizontal flame.
  • the object of the invention is now to create a combustion chamber, the shape and dimensions of which can be adapted to very different combustion chambers and which consists of as few different parts as possible.
  • section or sections are made up of interchangeably identical plate elements which are essentially rectangular in plan view, each having tongues or tabs on two opposite edges and recesses which are approximately the same width as the tongues or have rags and are opposite to each other, such that the tongues of a plate element can be inserted into the corresponding recesses of the plate element adjacent within the respective section.
  • the tongues or tabs and recesses allow the plate elements to be joined together in very different ways, i.e. H. in particular that different cross-sectional shapes of the combustion chamber can be achieved.
  • the tongues or tabs and recesses can be designed such that the plate elements can be connected to self-supporting sections by inserting their tongues or tabs and recesses into one another.
  • the combustion chamber can be constructed from one or more sections, each composed of three plate elements, with an approximately triangular cross section.
  • the plate elements are expediently curved in such a way that the combustion chamber cross section approximates the shape of a circle or arc.
  • combustion chambers according to the invention are particularly suitable for retrofitting, for example when a boiler is fired with solid fuels, such as. B. coal to be converted to an oil burner.
  • the combustion chambers according to the invention can ensure proper guiding of the heating gas in a particularly expedient manner and prevent them from reaching the chimney in a short way without transferring their heat content to the boiler.
  • the combustion chambers can also be used to protect the boiler against local overheating or hypothermia when retrofitted.
  • the flame of an oil burner has a very different temperature distribution, with the maximum temperature being reached at a relatively great distance from the burner nozzles. Without protective measures for the boiler, there is therefore a risk that the boiler parts exposed to the hot flame areas will be damaged by overheating, while on the other hand deposits may form on the boiler parts exposed to the cold flame zones, which would lead to corrosion of the boiler due to chemically aggressive components and in the others hinder the heat transfer from the flame to the boiler.
  • the plate elements have embossments which facilitate piercing of the plate elements to form openings, openings or a hole pattern to be specified - on the other hand, uniform heating of the boiler can be achieved without further ado will.
  • the combustion chamber reflects the heat radiated by the flame back onto the flame, so that an increased flame temperature can be achieved.
  • even flame-retardant components of the oil-air mixture can be broken down and burned. This afterburning of the oil flame ensures a small amount of pollutants in the fire exhaust gases, so that the pollution of the atmosphere is significantly reduced.
  • edge regions which are thickened or folded over can be arranged, which place the plate element on a support surface, for example the bottom surface of the fire allow space, preferably at a distance from the same, to support.
  • the folded or thickened edge areas serve as feet or supports of the plate elements and ensure a tilt-proof arrangement even if they are curved.
  • wedge-shaped, thickened corner regions are preferably formed on the outside thereof.
  • strip-like support parts running transversely to the longitudinal axis of the combustion chamber can also be arranged on the plate elements, optionally at a distance from the edge of the plate element. When the plate elements are supported on the walls of the combustion chamber, these strips serve to keep space outside the combustion chamber for the guidance of the flue gases within the combustion chamber.
  • opposite grooves and tongues for connecting adjacent plate elements can be arranged on the edges of the plate elements, preferably on their edges running approximately parallel to the combustion chamber axis.
  • a plate element arranged as the base plate of the combustion chamber can be joined together with plate elements which serve as side plates and which can rest against a wall of the combustion chamber at their edge facing away from the base plate.
  • the grooves and tongues allow the plate elements to be joined together at different angles.
  • trough-shaped combustion chambers can also be assembled in a particularly simple manner.
  • each plate element prefferably has an approximately edge-parallel bore for receiving connecting elements, such as pins, clamps or the like, on its edges which abut against an adjacent plate element within a section.
  • each plate element is light in weight. This can be achieved if each plate element consists of a ceramic fiber material, in particular of alumina silicates, such as aluminum silicates. Such materials are characterized not only by their low weight, but also by their high fire resistance and, similar to cardboard or the like, can be processed in a simple manner with cutting tools.
  • the ceramic fiber materials can advantageously be cast in any shape so that, if desired, very complicated shaped elements can also be produced.
  • plate elements designed as stamped or cast parts made of metal are also advantageous.
  • the plate elements can also consist of chamottes.
  • the plate elements can consist of half-plates joined together, in order to possibly achieve an even greater variability with regard to the combustion chamber dimensions.
  • the tongues or tabs preferably extend essentially in the plane of the plate.
  • the plate element 1 shown in Fig. 1 is a casting made of refractory ceramic fibers, such as. B. alumina silicate fibers and especially aluminum silicate fibers.
  • the fibers are processed in a manner known per se with a hydraulic-ceramic binder in a vacuum molding process with subsequent oven drying.
  • the plate element 1 consists essentially of a curved rectangular plate 2, at the corner areas of which wedge-shaped thickenings 3 are formed on the outside of the plate 2. These thickenings 3 allow the plate element 1 to be placed on a flat floor surface, for example the floor of the combustion chamber of a boiler, so that it cannot tip over.
  • bores 4 are arranged parallel to the non-curved edge of the plate 2. These holes 4 can be used to hold pins, brackets or the like (not shown) in order to be able to connect a plurality of plate elements 1 to one another or to anchor them in the combustion chamber of a boiler.
  • a rectangular recess 5 is arranged on the one non-curved edge of the plate 2 between the thickenings 3, while a rectangular tongue 6 continuing the plate 2 and having a size corresponding approximately to the recess 5 is formed on the opposite edge.
  • Recesses 7 are embossed on the plate 2, which facilitate piercing the plate 2 to form openings or hole patterns.
  • the plate elements 1 can be assembled into sections 8 which can be set up one behind the other and have a triangular cross section.
  • the tongues 6 of a plate element 1 are each inserted into the recesses 5 of an adjacent plate element 1.
  • Several sections 8 arranged one behind the other form a tubular unit which, as a combustion chamber, encloses a flame (not shown) of an oil burner or the like.
  • an end plate 9 can be arranged at one end, preferably also made of a ceramic fiber material, which is inserted with extensions 10 into slot-like, slot-like recesses arranged on the plate elements 1 of the last section, which can be produced by appropriate depressions 7 ' (see FIG. 1) of the plate elements 1.
  • the end plate 9 diverts the counter-impinging heating gases into a counterflow which, enclosing the flame, sweeps along the walls of the combustion chamber.
  • the heating gases then escape from the combustion chamber through openings arranged in the plate elements or through gaps between the individual sections 8, which are optionally placed one behind the other at a distance.
  • the sections 8 shown in FIG. 2 are self-supporting. If necessary, however, 4 clamps 11 can be used in the bores for additional securing, which connect adjacent plate elements 1 to one another.
  • fire-resistant cords made of ceramic fiber materials can also be used.
  • the plate elements 1 can also be connected to one another by means of a ceramic cement.
  • the plate element 1 according to FIG. 3 differs from the plate element according to FIG. 1 essentially in that instead of the wedge-shaped thickenings two continuous support strips 30, 31 are arranged, which allow the plate element 1 to be placed on a flat surface against tilting and for stiffening the plate element 1 contribute.
  • One support bar 31 is arranged at a distance from the edge 2 'of the plate 2 of the plate element 1, so that the edge 2' is optionally removed, for. B. can be cut if the width of the plate 2 is to be reduced.
  • opposing grooves 32 and springs 33 are arranged, which allow a connection of the plate element 1 with other plate elements at largely any angle, so that, for example, trough-shaped combustion chambers can be built by one on the firebox floor
  • Overlying plate element laterally plate elements are attached by means of the grooves 32 and springs 33 and are supported, for example, on the side walls of the combustion chamber.

Abstract

1. Combustion chamber for heating boilers, in particular for oil fired heating boilers, comprising at least one section, which partly or wholly surrounds the flame, which is formed by base and wall elements (1), and to the end faces of which further similar sections can be added to from a lengthened or enlarged combustion chamber, characterised in that the section or the sections are constructed as mutually interchangeable plate elements (1) which are substantially rectangular in plan view and which each have tongues (6) or lugs on the one hand and cut-outs (5) on the other hand at two oppositely disposed edges, with the cut-outs having approximately the same width as the tongues (6) or lugs and lying opposite thereto in such a way that the longues (6) of one plate element (1) can be plugged into the corresponding cut-outs (5) of the adjacent plate element inside the respective section.

Description

Die Erfindung betrifft eine Brennkammer für Heizkessel, insbesondere für Heizkessel mit Ölfeuerung, bestehend aus mindestens einem die Flamme ganz oder teilweise umschließenden, durch Boden- und Wandelemente gebildeten Abschnitt, an dessen Stirnenden zur Bildung einer verlängerten bzw. vergrößerten Brennkammer weitere gleichartige Abschnitte anschließen können.The invention relates to a combustion chamber for boilers, in particular for oil-fired boilers, consisting of at least one section which is wholly or partly enclosing the flame and is formed by floor and wall elements, at the front ends of which an additional or similar section can be connected to form an extended or enlarged combustion chamber.

Eine derartige Brennkammer ist aus der DE-C-931 723 bekannt. Die Abschnitte dieser bekannten Brennkammern bestehen jeweils aus zwei halb-U-förmigen Seitenteilen, die zu einem U-Teil zusammenfügbar sind sowie einer gegebenenfalls offenen Abdeckplatte. Bei dieser bekannten Brennkammer ist jedoch eine selbsttragende Bauweise nicht möglich, vielmehr müssen die Seitenteile an Wänden des Heizkessels abgestützt werden.Such a combustion chamber is known from DE-C-931 723. The sections of these known combustion chambers each consist of two semi-U-shaped side parts which can be joined together to form a U part and an optionally open cover plate. In this known combustion chamber, however, a self-supporting construction is not possible, rather the side parts have to be supported on the walls of the boiler.

In der US-A-2 369 965 wird eine Brennkammer in Form eines rohrförmigen Abschnittes mit vertikaler Rohrachse beschrieben. Der Abschnitt setzt sich aus einer Vielzahl von Wandteilen zusammen, deren aneinanderstoßende Ränder einander teilweise über- oder untergreifen. Eine selbsttragende Anordnung dieser bekannten Brennkammer mit horizontaler Achse ist nicht möglich. Damit kann diese Brennkammer in üblichen Heizkesseln mit Ölbrennern, welche eine im wesentlichen horizontale Flamme erzeugen, nicht verwendet werden.US-A-2 369 965 describes a combustion chamber in the form of a tubular section with a vertical tube axis. The section is composed of a large number of wall parts, the abutting edges of which partially overlap or overlap one another. A self-supporting arrangement of this known combustion chamber with a horizontal axis is not possible. This means that this combustion chamber cannot be used in conventional boilers with oil burners which produce an essentially horizontal flame.

Aufgabe der Erfindung ist es nun, eine Brennkammer zu schaffen, deren Form und Abmessungen sich sehr unterschiedlichen Feuerräumen anpassen lassen und die aus möglichst wenigen verschiedenartigen Teilen besteht.The object of the invention is now to create a combustion chamber, the shape and dimensions of which can be adapted to very different combustion chambers and which consists of as few different parts as possible.

Diese Aufgabe wird dadurch gelöst, daß der Abschnitt bzw. die Abschnitte aus untereinander austauschbar gleichen, in Draufsicht im wesentlichen rechteckigen Plattenelementen aufgebaut sind, die jeweils an zwei gegenüberliegenden Kanten einerseits Zungen bzw. Lappen und andererseits Aussparungen aufweisen, welche etwa gleiche Breite wie die Zungen bzw. Lappen haben und diesen gegenüberliegen, derart, daß die Zungen eines Plattenelementes in die entsprechenden Aussparungen des innerhalb des jeweiligen Abschnittes benachbarten Plattenelementes einsteckbar sind.This object is achieved in that the section or sections are made up of interchangeably identical plate elements which are essentially rectangular in plan view, each having tongues or tabs on two opposite edges and recesses which are approximately the same width as the tongues or have rags and are opposite to each other, such that the tongues of a plate element can be inserted into the corresponding recesses of the plate element adjacent within the respective section.

Durch die Zungen bzw. Lappen und Aussparungen lassen sich die Plattenelemente in sehr unterschiedlicher Art zusammenfügen, d. h. insbesondere, daß verschiedenartige Querschnittsformen der Brennkammer erreichbar sind.The tongues or tabs and recesses allow the plate elements to be joined together in very different ways, i.e. H. in particular that different cross-sectional shapes of the combustion chamber can be achieved.

Dabei können die Zungen bzw. Lappen und Aussparungen gemäß einer bevorzugten Ausführungsform der Erfindung derart ausgebildet sein, daß die Plattenelemente durch Ineinanderstecken ihrer Zungen bzw. Lappen und Aussparungen zu selbsttragenden Abschnitten verbindbar sind.According to a preferred embodiment of the invention, the tongues or tabs and recesses can be designed such that the plate elements can be connected to self-supporting sections by inserting their tongues or tabs and recesses into one another.

Insbesondere kann die Brennkammer aus einem oder mehreren, jeweils aus drei Plattenelementen zusammengesetzten Abschnitten mit etwa dreiecksartigem Querschnitt aufgebaut sein.In particular, the combustion chamber can be constructed from one or more sections, each composed of three plate elements, with an approximately triangular cross section.

Zweckmäßigerweise sind die Plattenelemente derart gewölbt, daß eine Annäherung des Brennkammerquerschnittes an Kreis- bzw. Bogenform gegeben ist.The plate elements are expediently curved in such a way that the combustion chamber cross section approximates the shape of a circle or arc.

Aufgrund ihrer Variabilität eignen sich die erfindungsgemäßen Brennkammern in besonderer Weise zum nachträglichen Einbau, etwa wenn ein Kessel von einer Feuerung mit festen Brennstoffen, wie z. B. Kohle, auf einen Ölbrenner umgestellt werden soll. In diesem Fall können die erfindungsgemäßen Brennkammern in besonders zweckmäßiger Weise eine richtige Führung des Heizgases sicherstellen und verhindern, daß dieselben auf zu kurzem Wege ohne Übertragung ihres Wärmeinhaltes auf den Kessel in den Rauchfang gelangen.Due to their variability, the combustion chambers according to the invention are particularly suitable for retrofitting, for example when a boiler is fired with solid fuels, such as. B. coal to be converted to an oil burner. In this case, the combustion chambers according to the invention can ensure proper guiding of the heating gas in a particularly expedient manner and prevent them from reaching the chimney in a short way without transferring their heat content to the boiler.

Gleichzeitig können die Brennkammern auch bei nachträglichem Einbau zum Schutz des Heizkessels vor örtlicher Überhitzung bzw. Unterkühlung dienen. Die Flamme eines Ölbrenners besitzt nämlich eine stark unterschiedliche Temperaturverteilung, wobei die Maximaltemperatur in verhältnismäßig großer Entfernung von den Brennerdüsen erreicht wird. Ohne Schutzvorkehrungen des Heizkessels besteht deshalb die Gefahr, daß die den heißen Flammenbereichen ausgesetzten Kesselteile durch Überhitzung beschädigt werden, während sich andererseits auf den von den kalten Flammenzonen beaufschlagten Kesselteilen Ablagerungen bilden können, die aufgrund chemisch aggressiver Bestandteile zu einer Korrosion des Kessels führen würden und im übrigen die Wärmeübertragung von der Flamme auf den Kessel behindern.At the same time, the combustion chambers can also be used to protect the boiler against local overheating or hypothermia when retrofitted. The flame of an oil burner has a very different temperature distribution, with the maximum temperature being reached at a relatively great distance from the burner nozzles. Without protective measures for the boiler, there is therefore a risk that the boiler parts exposed to the hot flame areas will be damaged by overheating, while on the other hand deposits may form on the boiler parts exposed to the cold flame zones, which would lead to corrosion of the boiler due to chemically aggressive components and in the others hinder the heat transfer from the flame to the boiler.

Mittels einer Brennkammer mit entsprechend angeordneten Austrittswegen für die Heizgase - gemäß einer bevorzugten Ausführungsform der Erfindung besitzen die Plattenelemente Einprägungen, die ein Durchstoßen der Plattenelemente zur Bildung von Öffnungen, Durchbrüchen bzw. eines vorzugebenden Lochmusters erleichtern - kann dagegen eine gleichförmige Wärmebeaufschlagung des Heizkessels ohne weiteres erreicht werden.By means of a combustion chamber with correspondingly arranged outlet paths for the heating gases - according to a preferred embodiment of the invention, the plate elements have embossments which facilitate piercing of the plate elements to form openings, openings or a hole pattern to be specified - on the other hand, uniform heating of the boiler can be achieved without further ado will.

Des weiteren reflektiert die Brennkammer die von der Flamme ausgestrahlte Wärme auf die Flamme zurück, so daß eine erhöhte Flammentemperatur erreichbar ist. Dadurch können auch schwer entflammbare Bestandteile des ÖI-LuftGemisches aufgeschlossen und verbrannt werden. Diese Nachverbrennung der Ölflamme gewährleistet eine geringe Schadstoffmenge in den Brand-Abgasen, so daß die Belastung der Atmosphäre wesentlich vermindert wird.Furthermore, the combustion chamber reflects the heat radiated by the flame back onto the flame, so that an increased flame temperature can be achieved. As a result, even flame-retardant components of the oil-air mixture can be broken down and burned. This afterburning of the oil flame ensures a small amount of pollutants in the fire exhaust gases, so that the pollution of the atmosphere is significantly reduced.

An den Plattenelementen können an deren innerhalb eines Abschnittes aneinanderstoßenden Kanten zur Außenseite der Brennkammer verdickte bzw. umgeschlagene Randbereiche angeordnet sein, die das Plattenelement auf einer Auflagefläche, etwa der Bodenfläche des Feuerraumes, vorzugsweise mit Abstand von derselben, abzustützen gestatten. Die umgeschlagenen bzw. verdickten Randbereiche dienen als Füße bzw. Abstützungen der Plattenelemente und gewährleisten auch bei gewölbter Ausbildung derselben eine kippsichere Anordnung.On the plate elements, at their edges abutting within a section to the outside of the combustion chamber, edge regions which are thickened or folded over can be arranged, which place the plate element on a support surface, for example the bottom surface of the fire allow space, preferably at a distance from the same, to support. The folded or thickened edge areas serve as feet or supports of the plate elements and ensure a tilt-proof arrangement even if they are curved.

Bei gewölbten Plattenelementen sind vorzugsweise auf deren Außenseite keilförmige, verdickte Eckbereiche angeformt. Gegebenenfalls können auch an den Plattenelementen quer zur Längsachse der Brennkammer verlaufende leistenartige Abstützteile, gegebenenfalls mit Abstand vom Rand des Plattenelementes, angeordnet sein. Diese Leisten dienen bei Abstützüng der Plattenelemente an den Wänden des Feuerraumes dazu, außerhalb der Brennkammer Raum für die Führung der Rauchgase innerhalb des Feuerraumes freizuhalten.In the case of curved plate elements, wedge-shaped, thickened corner regions are preferably formed on the outside thereof. Optionally, strip-like support parts running transversely to the longitudinal axis of the combustion chamber can also be arranged on the plate elements, optionally at a distance from the edge of the plate element. When the plate elements are supported on the walls of the combustion chamber, these strips serve to keep space outside the combustion chamber for the guidance of the flue gases within the combustion chamber.

Außerdem können an den Kanten der Plattenelemente, vorzugsweise an deren etwa parallel zur Brennkammerachse verlaufenden Kanten, gegengleiche Nuten und Federn zur Verbindung benachbarter Plattenelemente angeordnet sein. Auf diese Weise kann beispielsweise ein als Bodenplatte der Brennkammer angeordnetes Plattenelement mit als Seitenplatten dienenden Plattenelementen zusammengefügt werden, die an ihrer von .der Bodenplatte abgewandten Kante an einer Feuerraumwand anliegen können. Die Nuten und Federn ermöglichen bei entsprechender Ausbildung ein Zusammenfügen der Plattenelemente unter unterschiedlichen Winkeln. Somit können beispielsweise auch wannenförmige Brennkammern in besonders einfacher Weise zusammengesetzt werden.In addition, opposite grooves and tongues for connecting adjacent plate elements can be arranged on the edges of the plate elements, preferably on their edges running approximately parallel to the combustion chamber axis. In this way, for example, a plate element arranged as the base plate of the combustion chamber can be joined together with plate elements which serve as side plates and which can rest against a wall of the combustion chamber at their edge facing away from the base plate. With appropriate training, the grooves and tongues allow the plate elements to be joined together at different angles. Thus, for example, trough-shaped combustion chambers can also be assembled in a particularly simple manner.

Auch ist es möglich, daß jedes Plattenelement an seinen innerhalb eines Abschnittes an ein benachbartes Plattenelement anstoßenden Kanten eine etwa kantenparallele Bohrung zur Aufnahme von Verbindungselementen, wie Stifte, Klammern od. dgl., aufweist.It is also possible for each plate element to have an approximately edge-parallel bore for receiving connecting elements, such as pins, clamps or the like, on its edges which abut against an adjacent plate element within a section.

Insbesondere für den Versand ist es zweckmäßig, wenn die Plattenelemente nur geringes Gewicht aufweisen. Dies kann erreicht werden, wenn jedes Plattenelement aus einem keramischen Fasermaterial, insbesondere aus Tonerdesilikaten, wie Aluminiumsilikaten, besteht. Derartige Materialien zeichnen sich neben geringem Gewicht durch hohe Feuerfestigkeit aus und lassen sich, ähnlich wie Karton od. dgl., in einfacher Weise mit Schneidwerkzeugen bearbeiten.It is particularly expedient for shipping if the plate elements are light in weight. This can be achieved if each plate element consists of a ceramic fiber material, in particular of alumina silicates, such as aluminum silicates. Such materials are characterized not only by their low weight, but also by their high fire resistance and, similar to cardboard or the like, can be processed in a simple manner with cutting tools.

Vorteilhafterweise lassen sich die keramischen Fasermaterialien in beliebigen Formen gießen, so daß gewünschtenfalls auch sehr komplizierte Formelemente hergestellt werden können.The ceramic fiber materials can advantageously be cast in any shape so that, if desired, very complicated shaped elements can also be produced.

Gegebenenfalls sind jedoch auch als Präge-oder Gußteile aus Metall ausgebildete Plattenelemente vorteilhaft.If appropriate, however, plate elements designed as stamped or cast parts made of metal are also advantageous.

Außerdem können die Plattenelemente auch aus Schamotten bestehen.In addition, the plate elements can also consist of chamottes.

Schließlich können die Plattenelemente aus aneinandergefügten Halbplatten bestehen, um gegebenenfalls eine noch größere Variabilität im Hinblick auf die Brennkammerabmessungen zu erreichen.Finally, the plate elements can consist of half-plates joined together, in order to possibly achieve an even greater variability with regard to the combustion chamber dimensions.

Die Zungen bzw. Lappen erstrecken sich vorzugsweise im wesentlichen in Plattenebene.The tongues or tabs preferably extend essentially in the plane of the plate.

Nachfolgend wird ein bevorzugtes Ausführungsbeispiel der Erfindung anhand der Zeichnung erläutert. Dabei zeigt

  • Fig. 1 eine perspektivische Ansicht eines Plattenelementes,
  • Fig. 2 eine Vorderansicht einer erfindungsgemäßen Brennkammer und
  • Fig. 3 eine perspektivische Ansicht eines abgewandelten Plattenelementes.
A preferred embodiment of the invention is explained below with reference to the drawing. It shows
  • 1 is a perspective view of a plate element,
  • Fig. 2 is a front view of a combustion chamber according to the invention and
  • Fig. 3 is a perspective view of a modified plate element.

Das in Fig. 1 dargestellte Plattenelement 1 ist als Gußteil aus feuerfesten keramischen Fasern, wie z. B. Tonerdesilikat-Fasern und insbesondere Aluminiumsilikat-Fasern hergestellt. Die Fasern werden in an sich bekannter Weise mit einem hydraulisch-keramischen Bindemittel in einem Vakuum-Formverfahren mit anschließender Ofentrocknung verarbeitet.The plate element 1 shown in Fig. 1 is a casting made of refractory ceramic fibers, such as. B. alumina silicate fibers and especially aluminum silicate fibers. The fibers are processed in a manner known per se with a hydraulic-ceramic binder in a vacuum molding process with subsequent oven drying.

Das Plattenelement 1 besteht im wesentlichen aus einer gewölbten rechteckigen Platte 2, an deren Eckbereichen keilförmige Verdickungen 3 auf der Außenseite der Platte 2 angeformt sind. Diese Verdickungen 3 gestatten es, das Plattenelement 1 kippsicher auf eine ebene Bodenfläche, beispielsweise den Boden des Feuerraums eines Heizkessels, aufzulegen.The plate element 1 consists essentially of a curved rectangular plate 2, at the corner areas of which wedge-shaped thickenings 3 are formed on the outside of the plate 2. These thickenings 3 allow the plate element 1 to be placed on a flat floor surface, for example the floor of the combustion chamber of a boiler, so that it cannot tip over.

In den keilförmigen Verdickungen 3 sind Bohrungen 4 parallel zur ungewölbten Kante der Platte 2 angeordnet. Diese Bohrungen 4 können zur Aufnahme von Stiften, Klammern od. dgl. (nicht dargestellt) dienen, um mehrere Plattenelemente 1 untereinander verbinden bzw. im Feuerraum eines Heizkessels verankern zu können.In the wedge-shaped thickenings 3 bores 4 are arranged parallel to the non-curved edge of the plate 2. These holes 4 can be used to hold pins, brackets or the like (not shown) in order to be able to connect a plurality of plate elements 1 to one another or to anchor them in the combustion chamber of a boiler.

An der einen ungewölbten Kante der Platte 2 ist zwischen den Verdickungen 3 eine rechteckige Aussparung 5 angeordnet, während an der gegenüberliegenden Kante eine die Platte 2 fortsetzende rechteckige Zunge 6 mit einer etwa der Aussparung 5 entsprechenden Größe angeformt ist.A rectangular recess 5 is arranged on the one non-curved edge of the plate 2 between the thickenings 3, while a rectangular tongue 6 continuing the plate 2 and having a size corresponding approximately to the recess 5 is formed on the opposite edge.

Auf der Platte 2 sind Vertiefungen 7 eingeprägt, die ein Durchstoßen der Platte 2 zur Ausbildung von Durchbrüchen bzw. Lochmustern erleichtern.Recesses 7 are embossed on the plate 2, which facilitate piercing the plate 2 to form openings or hole patterns.

Gemäß Fig. 2 lassen sich die Plattenelemente 1 zu hintereinander aufstellbaren Abschnitten 8 mit dreiecksartigem Querschnitt zusammensetzen. Dazu werden die Zungen 6 eines Plattenelementes 1 jeweils in die Aussparungen 5 eines benachbarten Plattenelementes 1 eingesteckt. Mehrere hintereinander aufgestellte Abschnitte 8 bilden dabei eine rohrförmige Einheit, welche als Brennkammer eine nicht dargestellte Flamme eines Ölbrenners od. dgl. umschließt.According to FIG. 2, the plate elements 1 can be assembled into sections 8 which can be set up one behind the other and have a triangular cross section. For this purpose, the tongues 6 of a plate element 1 are each inserted into the recesses 5 of an adjacent plate element 1. Several sections 8 arranged one behind the other form a tubular unit which, as a combustion chamber, encloses a flame (not shown) of an oil burner or the like.

Als Abschluß der Brennkammer kann an einem Ende eine Abschlußplatte 9 angeordnet sein, vorzugsweise ebenfalls aus einem keramischen Fasermaterial, die mit Fortsätzen 10 in schlitzartige, an den Plattenelementen 1 des letzten Abschnittes angeordnete, schlitzartige Aussparungen eingesteckt ist, die erzeugt werden können, indem entsprechende Vertiefungen 7' (vgl. Fig. 1) der Plattenelemente 1 durchstoßen werden.At the end of the combustion chamber, an end plate 9 can be arranged at one end, preferably also made of a ceramic fiber material, which is inserted with extensions 10 into slot-like, slot-like recesses arranged on the plate elements 1 of the last section, which can be produced by appropriate depressions 7 ' (see FIG. 1) of the plate elements 1.

Die Abschlußplatte 9 leitet die gegen die aufprallenden Heizgase zu einem Gegenstrom um, der, die Flamme umschließend, an den Wandungen der Brennkammer entlangstreicht.The end plate 9 diverts the counter-impinging heating gases into a counterflow which, enclosing the flame, sweeps along the walls of the combustion chamber.

Die Heizgase entweichen dann aus der Brennkammer durch in den Plattenelementen angeordnete Durchbrüche bzw. durch Zwischenräume zwischen den einzelnen Abschnitten 8, die gegebenenfalls mit Abstand voneinander hintereinander aufgestellt werden.The heating gases then escape from the combustion chamber through openings arranged in the plate elements or through gaps between the individual sections 8, which are optionally placed one behind the other at a distance.

Die in der Fig. 2 dargestellten Abschnitte 8 sind selbsttragend. Gegebenenfalls können jedoch zur zusätzlichen Sicherung in die Bohrungen 4 Klammern 11 eingesetzt werden, die benachbarte Plattenelemente 1 miteinander verbinden.The sections 8 shown in FIG. 2 are self-supporting. If necessary, however, 4 clamps 11 can be used in the bores for additional securing, which connect adjacent plate elements 1 to one another.

Anstelle der Klammern können auch feuerfeste Schnüre aus keramischen Fasermaterialien verwendet werden.Instead of the clips, fire-resistant cords made of ceramic fiber materials can also be used.

Gegebenenfalls können die Plattenelemente 1 auch mittels eines keramischen Kittes miteinander verbunden werden.If necessary, the plate elements 1 can also be connected to one another by means of a ceramic cement.

Das Plattenelement 1 nach Fig. 3 unterscheidet sich von dem Plattenelement nach Fig. 1 im wesentlichen dadurch, daß anstelle der keilförmigen Verdickungen zwei durchgehende Abstützleisten 30, 31 angeordnet sind, die das Plattenelement 1 kippsicher auf eine ebene Unterlage aufzulegen gestatten und zur Versteifung des Plattenelementes 1 beitragen. Die eine Abstützleiste 31 ist mit Abstand vom Rand 2' der Platte 2 des Plattenelementes 1 angeordnet, so daß der Rand 2' gegebenenfalls entfernt, z. B. abgeschnitten werden kann, wenn die Breite der Platte 2 verringert werden soll.The plate element 1 according to FIG. 3 differs from the plate element according to FIG. 1 essentially in that instead of the wedge-shaped thickenings two continuous support strips 30, 31 are arranged, which allow the plate element 1 to be placed on a flat surface against tilting and for stiffening the plate element 1 contribute. One support bar 31 is arranged at a distance from the edge 2 'of the plate 2 of the plate element 1, so that the edge 2' is optionally removed, for. B. can be cut if the width of the plate 2 is to be reduced.

Außerdem sind am Plattenelement 1 nach Fig. 3 an den Seitenkanten gegengleiche Nuten 32 und Federn 33 angeordnet, die eine Verbindung des Plattenelementes 1 mit weiteren Plattenelementen unter weitgehend beliebigen Winkeln gestatten, so daß beispielsweise wannenförmige Brennkammern gebaut werden können, indem an ein auf dem Feuerraumboden aufliegendes Plattenelement seitlich Plattenelemente mittels der Nuten 32 und Federn 33 angefügt und beispielsweise an Seitenwänden des Feuerraums abgestützt werden.In addition, on the plate element 1 according to FIG. 3, on the side edges, opposing grooves 32 and springs 33 are arranged, which allow a connection of the plate element 1 with other plate elements at largely any angle, so that, for example, trough-shaped combustion chambers can be built by one on the firebox floor Overlying plate element laterally plate elements are attached by means of the grooves 32 and springs 33 and are supported, for example, on the side walls of the combustion chamber.

Claims (15)

1.Combustion chamber for heating boilers, in particular for oil fired heating boilers, comprising at least one section, which partly or wholly surrounds the flame, which is formed by base and wall elements (1), and to the end faces of which further similar sections can be added to from a lengthened or enlarged combustion chamber, characterised in that the section or the sections are constructed as mutually interchangeable plate elements (1) which are substantially rectangular in plan view and which each have tongues (6) or lugs on the one hand and cut-outs (5) on the other hand at two oppositely disposed edges, with the cut-outs having approximately the same width as the tongues (6) or lugs and lying opposite thereto in such a way that the longues (6) of one plate element (1) can be plugged into the corresponding cut-outs (5) of the adjacent plate element inside the respective section.
2. Combustion chamber in accordance with claim 1, characterised in that the plate elements (1) can be connected into self supporting sections by plugging together the tongues (6) or lugs and the cut-outs (5).
3. Combustion chamber in accordance with one of the claims 1 and 2, characterised in that it is constructed of one or more sections of approximately triangular cross-section and each constructed of three plate elements (1).
4. Combustion chamber in accordance with one of the claims 1 to 3, characterised by arched plate elements (1) in order to approximate the combustion chamber cross-section to a circular or curved shape.
5. Combustion chamber in accordance with one of the claims 1 to 4, characterised in that end regions which are thickened or turned over towards the outer side of the combustion chamber are provided on the plate elements (1) at their edges which abut within one section (8), wherein the thickened or turned over edge regions permit the plate element (1) to be supported on a support surface, such as the base surface of the firing space, preferably spaced apart from the same.
6. Combustion chamber in accordance with claim 5, characterised in that with arched plate elements (1) wedge-like, thickened corner regions (3) are arranged at their outer side.
7. Combustion chamber in accordance with one of the claims 1 to 6, characterised in that mating grooves (32) and tongues (33) are provided at the edges of the plate elements, preferably at their edges which extend parallel to the combustion chamber axis, in order to connect neighbouring plate elements (1) together.
8. Combustion chamber in accordance with one of the claims 1 to 7, characterised in that strip-like bracing parts (30, 31) which extend transversely to the longitudinal axis of the combustion chamber and which may optionally be spaced from the edge (2') of the plate element are arranged on the plate elements.
9. Combustion chamber in accordance with one of the claims 1 to 8, characterised in that the tongues (6) or lugs extend substantially in the plane of the plate.
10. Combustion chamber in accordance with one of the claims 1 to 9, characterised in that each plate element (1) has at its edges which abut with an adjacent plate element (1) within one section (8) a bore (4) which extends approximately parallel to the edge in order to accommodate connecting elements such as pins, clips (11) or the like.
11. Combustion chamber in accordance with one of the claims 1 to 10, characterised in that the plate elements (1) have impressions (7) which facilitate the punching through of the plate elements (1) to form openings, apertures or a predeterminable hole pattern.
12. Combustion chamber in accordance with one of the claims 1 to 11, characterised in that each plate element (1) consists of a ceramic fiber material, in particular of alumina silicates such as aluminium silicates.
13. Combustion chamber in accordance with one of the claims 1 to 11, characterised in that each plate element (1) consists of a stamped part or a cast part of metal.
14. Combustion chamber in accordance with one of the claims 1 to 11, characterised in that each plate element (1) consists of fire clay.
15. Combustion chamber in accordance with one of the claims 12 and 14, characterised in that at least some of the plate elements (1) consist of two parts.
EP82101894A 1981-03-27 1982-03-10 Combustion chamber for heating boilers Expired EP0061617B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82101894T ATE13586T1 (en) 1981-03-27 1982-03-10 COMBUSTION CHAMBER FOR BOILER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8109009U 1981-03-27
DE19818109009U DE8109009U1 (en) 1981-03-27 1981-03-27 "COMBUSTION CHAMBER FOR BOILER"

Publications (2)

Publication Number Publication Date
EP0061617A1 EP0061617A1 (en) 1982-10-06
EP0061617B1 true EP0061617B1 (en) 1985-05-29

Family

ID=6726146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101894A Expired EP0061617B1 (en) 1981-03-27 1982-03-10 Combustion chamber for heating boilers

Country Status (3)

Country Link
EP (1) EP0061617B1 (en)
AT (1) ATE13586T1 (en)
DE (2) DE8109009U1 (en)

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Publication number Priority date Publication date Assignee Title
WO2015192143A1 (en) * 2014-06-13 2015-12-17 Integrated Energy LLC Systems, apparatus, and methods for treating waste materials

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Publication number Priority date Publication date Assignee Title
DE3231211C2 (en) * 1982-08-21 1986-10-02 Didier-Werke Ag, 6200 Wiesbaden Device for a combustion chamber with an oil or gas burner
EP3439519B1 (en) * 2016-04-07 2020-03-18 Husqvarna AB Modular pot, in particular fire pot or deco pot, and assembly kit for assembling such a modular pot

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Publication number Priority date Publication date Assignee Title
BE570739A (en) *
DE13169C (en) * A. PETZOLD in Berlin N., Eichendorffstr. 18 II Change to chimney catchers
DD48430A (en) *
US2369965A (en) * 1941-11-10 1945-02-20 Borg Warner Furnace
DE931723C (en) * 1953-03-21 1955-08-16 Looser & Co A G E Combustion chamber made of chamotte bricks for boiler firing
DE1777944U (en) * 1958-10-08 1958-11-20 Oelfeuerungen Ag F CHAMOTE COVER.
DE7821872U1 (en) * 1978-07-21 1979-10-18 Karrena Gmbh, 4000 Duesseldorf LINING FOR FIREPLACES

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015192143A1 (en) * 2014-06-13 2015-12-17 Integrated Energy LLC Systems, apparatus, and methods for treating waste materials

Also Published As

Publication number Publication date
DE8109009U1 (en) 1981-12-10
EP0061617A1 (en) 1982-10-06
DE3263852D1 (en) 1985-07-04
ATE13586T1 (en) 1985-06-15

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