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EP2189743A1 - Thermal insulation cover for industrial furnaces - Google Patents

Thermal insulation cover for industrial furnaces Download PDF

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Publication number
EP2189743A1
EP2189743A1 EP09013944A EP09013944A EP2189743A1 EP 2189743 A1 EP2189743 A1 EP 2189743A1 EP 09013944 A EP09013944 A EP 09013944A EP 09013944 A EP09013944 A EP 09013944A EP 2189743 A1 EP2189743 A1 EP 2189743A1
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EP
European Patent Office
Prior art keywords
block
blocks
steel
heat
insulating lining
Prior art date
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Granted
Application number
EP09013944A
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German (de)
French (fr)
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EP2189743B1 (en
Inventor
Markus Dipl.-Ing. Horn
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Juenger and Graeter Feuerfestbau GmbH
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Juenger and Graeter Feuerfestbau GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
    • 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
    • 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
    • F23M5/04—Supports for linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
    • F27D1/06—Composite bricks or blocks, e.g. panels, modules
    • F27D1/063—Individual composite bricks or blocks

Definitions

  • the invention relates to a heat-insulating lining of industrial furnaces with refractory blocks (for example refractory bricks) and steel anchors, which hold the blocks on a metal wall, and a casting with a low-viscosity refractory mass, which causes a flat, circumferential positive locking anchoring of the blocks.
  • refractory blocks for example refractory bricks
  • steel anchors which hold the blocks on a metal wall
  • a casting with a low-viscosity refractory mass which causes a flat, circumferential positive locking anchoring of the blocks.
  • the object underlying the present invention is to propose a heat-insulating lining of industrial furnaces, which is less time-consuming and less expensive than the known linings.
  • each block a circumferential groove is formed, that engages at least one steel anchor with a tip in the groove of a block and that the blocks are circumferentially positively anchored by means of hardened refractory material.
  • the blocks are shaped as blocks of porous refractory material (eg refractory bricks), the length of one side of a square being 200mm to 400mm, the thickness being 110mm to 230mm.
  • the circumferential groove is inserted in each block in the rear half of the narrow sides.
  • temperature-resistant fiber products eg ceramic fiber paper based on aluminosilicate high-temperature wool
  • the temperature-resistant fiber products are advantageously glued to two narrow sides, so that by the contiguity of the blocks creates a circumferential expansion joint for each block. So it does not have to be additional expansion joint can be installed, since the expansion of each block is compensated by the circumferential joint.
  • the front portion of a block between the groove and the outer surface is made slightly larger than the rear portion of the block between the groove and the back, facing the wall to be clad.
  • the steel anchors are advantageously formed of flat iron, the flat iron slotted and punched in the front and have a hole in the rear of the attachment of the steel anchors to the wall.
  • the front section of a steel anchor is bent upwards or downwards so that one tip points upwards and one downwards.
  • the down-facing tip is pushed into the groove of a raised block and holds this block against the wall.
  • each block is secured in this manner by a steel anchor.
  • the upward-pointing tip of a steel anchor causes the attachment of the upper block constructed thereon.
  • the blocks are assembled in combination and, unlike the prior art, are not grouted with mortar.
  • the steel anchors on a flat iron with a hole in the front and rear area.
  • the hole in the rear area is used to attach the steel anchors to the wall.
  • a round iron is inserted and slightly squeezed in the middle, so that it does not fall through the hole of the flat iron.
  • This arranged on the steel support member round steel is approximately perpendicular to the plane of the flat iron, with a tip of the round steel facing up and a tip of the round steel down. If such a steel anchor held by its rear hole on the wall, the downward-pointing tip of the round steel is pressed into the groove of a block erected and keeps this block on the wall. The pointing up the top of the round steel causes the attachment of the built-up upper block.
  • each block is held at its upper and lower sides by two steel anchors each, the tips of which penetrate into the corresponding groove of the block. This causes each block to be anchored at four points.
  • this wall is back-poured with a low-viscosity refractory material, such as concrete.
  • This mass passes behind the blocks, into the gap between the blocks and into the groove of each block and hardens there. Then each block is anchored all around. It is not necessary to install a console. Due to the faster installation, the desired cost savings are given.
  • the refractory mass creates a circumferential positive anchoring of each block.
  • porous refractory blocks 1 are used, the view of the back or perspective view in Fig. 1 respectively.
  • Fig. 2 is shown.
  • the block 1 is cuboid shaped and has in the rear half of his Narrow the circumferential groove 2 on.
  • the temperature-resistant fiber products 4 are glued between the groove 2 and the outer surface.
  • the front portion 3 of the cuboid of the block 1 is designed slightly larger than the rear portion 5 of this block. 1
  • FIG. 3 To produce in the cutout heat-insulating lining, several blocks 1, the in Fig. 1 and Fig. 2 have shown shape, juxtaposed. Each block 1 is shaped the same. It is not necessary to additionally cut or process the blocks.
  • Fig. 4 is the cross section AA according to Fig. 3 Both figures will now be described in detail.
  • Each block 1 has the circumferential groove 2 and is covered with the temperature-resistant fiber products 4 on two narrow sides. Since each block 1 on two sides with the temperature-resistant fiber products 4 (according to Fig. 2 at the top and at the right side), after the blocks are assembled in a composite, a circumferential expansion joint for each block occurs by the juxtaposition of the fiber products 4.
  • the according to Fig. 2 to the left-facing front portion 3 of the block 1 forms according to Fig. 3 the outer surface, so that each block 1 according to Fig. 3 right and above with the temperature-resistant fiber products 4 described is provided.
  • Fig. 4 is the section AA according to Fig. 3 shown.
  • the wall of the industrial furnace has the metal wall 7 and the insulating plates 13.
  • the hooks 8 are fixed to the metal wall 7 in a conventional manner and penetrate the insulating plates 13.
  • At the outer end of the hook 8 is bent upward to receive the hole 11 of the steel anchor 6.
  • the steel anchor 6 is formed of a flat iron whose slotted and punched out front portion is bent in each case to a tip 9 upwards or to a top 10 downwards.
  • Fig. 5 shows the perspective view of such a steel anchor 6.
  • the tip 10 penetrates according Fig. 4 down into the groove 2 of a block 1 a.
  • the tip 9 engages in the groove 2 of the upper block 1.
  • Each steel anchor 6 holds in this way two blocks 1 on the wall 7.
  • In the rear region of the steel anchor 6 is a hole 11, in which the hook 8 engages.
  • Fig. 6 shows the perspective view of a steel anchor 14 can be used as an alternative to the steel anchor 6 just described.
  • the use of such a steel anchor 14 corresponds to the just described manipulations in the description of Fig. 3 and Fig. 4 .
  • the in Fig. 6 shown steel anchor 14 has in its rear region, the hole 15 and in its front region, the hole 16.
  • In this front hole 16 is the round steel 17 which was inserted into this hole 16 and is easily crushed during manufacture, so that it does not fall out of the hole. This results in the bead 20.
  • the down from the steel anchor 14 outstanding tip 19 of the round bar 17 engages when setting up the blocks 1 in the groove 2 of a block 1 a.
  • the upper tip 18 of the round bar 17 engages in the groove 2 of the upper block 1.
  • Each steel anchor 14 holds in this way two blocks 1 on the wall 7 analogous to the representation of the steel anchor 6 according to Fig. 3 and Fig. 4 ,
  • FIG. 3 Several blocks 1 are now set up in the network, as in Fig. 3 is shown. Each block 1 is held with two steel anchors 6 on its upper side and with two steel anchors 6 on its underside. Each steel anchor 6 engages in the groove 2 of each block 1 in the manner described and illustrated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

Die Erfindung betrifft eine wärmedämmende Auskleidung von Industrieöfen mit feuerfesten Blöcken 1 und Stahlankern 6, die die Blöcke an einer Metallwand halten. In den Schmalseiten jedes Blockes 1 ist eine umlaufende Nut 2 eingeformt und zumindest ein Stahlanker 6 greift mit einer Spitze 9 bzw. 10 in die Nut 2 eines Blockes 1 ein. Die Blöcke sind durch Hintergießen mit feuerfester Masse umlaufend formschlüssig verankert.

Figure imgaf001
The invention relates to a heat-insulating lining of industrial furnaces with refractory blocks 1 and steel anchors 6, which hold the blocks on a metal wall. In the narrow sides of each block 1, a circumferential groove 2 is formed and at least one steel anchor 6 engages with a tip 9 or 10 in the groove 2 of a block 1 a. The blocks are anchored by back-casting with refractory mass circumferentially form-fitting manner.
Figure imgaf001

Description

Die Erfindung betrifft eine wärmedämmende Auskleidung von Industrieöfen mit feuerfesten Blöcken (z.B. Feuerleichtsteine) und Stahlankern, die die Blöcke an einer Metallwand halten, sowie eines Vergusses mit einer dünnflüssigen feuerfesten Masse, die eine flächige, umlaufende formschlüssige Verankerung der Blöcke bewirkt.The invention relates to a heat-insulating lining of industrial furnaces with refractory blocks (for example refractory bricks) and steel anchors, which hold the blocks on a metal wall, and a casting with a low-viscosity refractory mass, which causes a flat, circumferential positive locking anchoring of the blocks.

Es sind wärmedämmende Auskleidungen von Industrieöfen bekannt, wobei poröse feuerfeste Steine vermauert werden, die in bestimmten Abständen mit speziellen Stahlankern an einer Metallwand gehalten werden. Zur Sicherung des Mauerwerks und zur Beherrschung der thermischen Dehnung ist es notwendig, dass metallische Konsolen aus hitzefestem Stahl angeordnet werden, die die Steine in bestimmten Abständen unterstützen. Die Stahlanker gemäß des Standes der Technik halten nur etwa jeden vierten Stein in einer Reihe und nur jeweils etwa jede vierte Reihe der gemauerten Steine. Die Steine haben etwa die Größe von Backsteinen und werden auf übliche Weise mit Mörtel verfugt. Derartige bekannte wärmedämmende Auskleidungen werden in dem Buch " Feuerfestbau Werkstoffe - Konstruktion - Ausführung" der Deutschen Gesellschaft Feuerfest- und Schornsteinbau e.V., Vulkan-Verlag Essen , Kapitel 3.4 "Konstruieren mit geformten wärmedämmenden Werkstoffen" beschrieben.There are known heat-insulating linings of industrial furnaces, wherein porous refractory bricks are walled, which are held at intervals with special steel anchors on a metal wall. In order to secure the masonry and to control the thermal expansion, it is necessary that metallic brackets are made of heat-resistant steel, which support the stones at certain intervals. The prior art steel anchors only hold about every fourth stone in a row and only about every fourth row of masonry stones. The stones are about the size of bricks and are grouted in the usual way with mortar. Such known heat-insulating linings are described in the book " Refractory Materials - Construction - Execution "of the German Society of Refractory and Chimney Construction eV, Vulkan-Verlag Essen , Chapter 3.4 "Constructing with molded heat-insulating materials".

Der Nachteil derartiger bekannter Verfahren besteht darin, dass die Verankerung der Steine nur punktuell erfolgt, dass ein hoher Montageaufwand zur Herstellung des Mauerwerks erforderlich ist und dass teure metallische Konsolen aus hitzebeständigen Edelstählen eingebaut werden müssen. Zahlreiche Steine müssen geschnitten werden, um das Mauerwerk fertig zu stellen, wodurch ein hoher Zeitaufwand entsteht. Ferner ist es notwendig, dass Dehnfugen eingebaut werden.The disadvantage of such known methods is that the anchoring of the stones takes place only at certain points, that a high assembly cost for the production of masonry is required and that expensive metallic consoles made of heat-resistant stainless steels must be installed. Numerous stones have to be cut to complete the masonry, resulting in a high expenditure of time. Furthermore, it is necessary that expansion joints are installed.

Die der vorliegenden Erfindung zugrunde liegende Aufgabe besteht darin, eine wärmedämmende Auskleidung von Industrieöfen vorzuschlagen, die weniger zeitaufwändig und kostengünstiger als die bekannten Auskleidungen ist.The object underlying the present invention is to propose a heat-insulating lining of industrial furnaces, which is less time-consuming and less expensive than the known linings.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass in den Schmalseiten jedes Blockes eine umlaufende Nut eingeformt ist, dass zumindest ein Stahlanker mit einer Spitze in die Nut eines Blockes eingreift und dass die Blöcke umlaufend formschlüssig mittels ausgehärteter feuerfester Masse verankert sind.This object is achieved in that in the narrow sides of each block, a circumferential groove is formed, that engages at least one steel anchor with a tip in the groove of a block and that the blocks are circumferentially positively anchored by means of hardened refractory material.

Besonders bevorzugte Ausgestaltungen der Erfindung werden in den Unteransprüchen beschrieben.Particularly preferred embodiments of the invention are described in the subclaims.

Vorzugsweise sind die Blöcke als Quader aus porösem feuerfestem Material (z.B. Feuerleichtsteine) geformt, wobei die Länge einer Seite eines Quaders 200mm bis 400mm, die Stärke 110mm bis 230mm beträgt. Die umlaufende Nut wird in jedem Block in der hinteren Hälfte der Schmalseiten eingebracht. Im vorderen Bereich zwischen Nut und Außenfläche eines Blockes werden vorzugsweise temperaturbeständige Fasererzeugnisse (z.B. keramisches Faserpapier auf Basis alumosilikatischer Hochtemperatur-Wolle) aufgebracht, die bei jedem Block als Dehnfuge wirken. Die temperaturbeständigen Fasererzeugnisse werden vorteilhafterweise an zwei Schmalseiten aufgeklebt, so dass durch das Aneinandergrenzen der Blöcke eine umlaufende Dehnfuge für jeden Block entsteht. Es muss also keine zusätzliche Dehnfuge eingebaut werden, da die Dehnung jedes einzelnen Blockes durch die umlaufende Fuge kompensiert wird.Preferably, the blocks are shaped as blocks of porous refractory material (eg refractory bricks), the length of one side of a square being 200mm to 400mm, the thickness being 110mm to 230mm. The circumferential groove is inserted in each block in the rear half of the narrow sides. In the front region between the groove and the outer surface of a block preferably temperature-resistant fiber products (eg ceramic fiber paper based on aluminosilicate high-temperature wool) are applied, which act as an expansion joint in each block. The temperature-resistant fiber products are advantageously glued to two narrow sides, so that by the contiguity of the blocks creates a circumferential expansion joint for each block. So it does not have to be additional expansion joint can be installed, since the expansion of each block is compensated by the circumferential joint.

Vorzugsweise ist der vordere Bereich eines Blockes zwischen Nut und Außenfläche etwas größer ausgestaltet als der hintere Bereich des Blockes zwischen Nut und Rückseite, die zu der zu verkleidenden Wand weist.Preferably, the front portion of a block between the groove and the outer surface is made slightly larger than the rear portion of the block between the groove and the back, facing the wall to be clad.

Die Stahlanker sind vorteilhafterweise aus Flacheisen geformt, wobei die Flacheisen im vorderen Bereich geschlitzt und ausgestanzt wurden und im hinteren Bereich ein Loch zur Befestigung der Stahlanker an der Wand aufweisen. Der vordere Bereich eines Stahlankers wird nach oben bzw. unten aufgebogen, so dass eine Spitze nach oben und eine nach unten weist. Bei der Befestigung eines Stahlankers an der Wand wird die nach unten weisende Spitze in die Nut eines aufgestellten Blockes gedrückt und hält diesen Block an der Wand. Vorzugsweise wird jeder Block auf diese Weise durch einen Stahlanker befestigt. Die nach oben weisende Spitze eines Stahlankers bewirkt die Befestigung des darauf aufgebauten oberen Blockes. Die Blöcke werden im Verbund montiert und im Gegensatz zum Stand der Technik nicht mit Mörtel verfugt.The steel anchors are advantageously formed of flat iron, the flat iron slotted and punched in the front and have a hole in the rear of the attachment of the steel anchors to the wall. The front section of a steel anchor is bent upwards or downwards so that one tip points upwards and one downwards. When attaching a steel anchor to the wall, the down-facing tip is pushed into the groove of a raised block and holds this block against the wall. Preferably, each block is secured in this manner by a steel anchor. The upward-pointing tip of a steel anchor causes the attachment of the upper block constructed thereon. The blocks are assembled in combination and, unlike the prior art, are not grouted with mortar.

Gemäß einer anderen Ausführungsform weisen die Stahlanker ein Flacheisen mit einem Loch im vorderen und hinteren Bereich auf. Das Loch im hinteren Bereich dient zur Befestigung der Stahlanker an der Wand. In das Loch im vorderen Bereich des Flacheisens wird ein Rundeisen gesteckt und etwa mittig leicht gequetscht, damit es nicht durch das Loch des Flacheisens fällt. Dieser an dem Stahlhalteteil angeordnete Rundstahl steht ungefähr senkrecht auf der Ebene des Flacheisens, wobei eine Spitze des Rundstahls nach oben und eine Spitze des Rundstahls nach unten weist. Wird ein derartiger Stahlanker mittels seines hinteren Loches an der Wand gehalten, so wird die nach unten weisende Spitze des Rundstahls in die Nut eines aufgestellten Blockes gedrückt und hält diesen Block an der Wand. Die nach oben weisende Spitze des Rundstahls bewirkt die Befestigung des darauf aufgebauten oberen Blockes.According to another embodiment, the steel anchors on a flat iron with a hole in the front and rear area. The hole in the rear area is used to attach the steel anchors to the wall. In the hole in the front area of the flat iron a round iron is inserted and slightly squeezed in the middle, so that it does not fall through the hole of the flat iron. This arranged on the steel support member round steel is approximately perpendicular to the plane of the flat iron, with a tip of the round steel facing up and a tip of the round steel down. If such a steel anchor held by its rear hole on the wall, the downward-pointing tip of the round steel is pressed into the groove of a block erected and keeps this block on the wall. The pointing up the top of the round steel causes the attachment of the built-up upper block.

Vorzugsweise wird jeder Block an seiner oberen und an seiner unteren Seite von jeweils zwei Stahlankern gehalten, deren Spitzen in die entsprechende Nut des Blockes eindringen. Hierdurch wird bewirkt, dass jeder Block an vier Punkten verankert ist.Preferably, each block is held at its upper and lower sides by two steel anchors each, the tips of which penetrate into the corresponding groove of the block. This causes each block to be anchored at four points.

Nachdem etwa drei bis vier Reihen von Blöcken auf diese Weise aufeinander gestellt wurden, wird diese Wand mit einer dünnflüssigen feuerfesten Masse, beispielsweise Beton, hintergossen. Diese Masse läuft hinter die Blöcke, in den Spalt zwischen den Blöcken und in die Nut jedes Blockes und härtet dort aus. Anschließend ist jeder Block ringsum verankert. Es ist nicht notwendig eine Konsole einzubauen. Durch die schnellere Montage ist die gewünschte Kostenersparnis gegeben. Durch die feuerfeste Masse entsteht eine umlaufende formschlüssige Verankerung jedes einzelnen Blockes.After about three to four rows of blocks have been placed on each other in this way, this wall is back-poured with a low-viscosity refractory material, such as concrete. This mass passes behind the blocks, into the gap between the blocks and into the groove of each block and hardens there. Then each block is anchored all around. It is not necessary to install a console. Due to the faster installation, the desired cost savings are given. The refractory mass creates a circumferential positive anchoring of each block.

Die Erfindung wird nun anhand der beigefügten Zeichnung näher erläutert.The invention will now be described with reference to the accompanying drawings.

Es zeigen:

Fig. 1
die Draufsicht auf die Rückseite eines Blockes 1,
Fig. 2
die perspektivische Ansicht eines Blockes 1.
Fig. 3
einen Ausschnitt einer Auskleidung mit Blöcken 1,
Fig. 4
den Querschnitt A-A der Auskleidung gemäß Fig. 3,
Fig. 5
die perspektivische Ansicht eines Stahlankers 6 und
Fig. 6
die perspektivische Ansicht eines Stahlankers 14.
Show it:
Fig. 1
the top view of the back of a block 1,
Fig. 2
the perspective view of a block. 1
Fig. 3
a section of a lining with blocks 1,
Fig. 4
the cross section AA of the lining according to Fig. 3 .
Fig. 5
the perspective view of a steel anchor 6 and
Fig. 6
the perspective view of a steel anchor 14th

Zur erfindungsgemäßen wärmedämmenden Auskleidung von Industrieöfen werden poröse feuerfeste Blöcke 1 verwendet, deren Ansicht der Rückseite bzw. perspektivische Ansicht in Fig. 1 bzw. Fig. 2 dargestellt ist. Der Block 1 ist quaderförmig ausgestaltet und weist in der hinteren Hälfte seiner Schmalseite die umlaufende Nut 2 auf. Im vorderen Bereich 3 des Blockes 1 sind zwischen Nut 2 und Außenfläche die temperaturbeständigen Fasererzeugnisse 4 aufgeklebt. Wie aus Fig. 1 und Fig. 2 erkenntlich, ist der vordere Bereich 3 des Quaders des Blockes 1 etwas größer ausgestaltet als der hintere Bereich 5 dieses Blockes 1.For the inventive heat-insulating lining of industrial furnaces porous refractory blocks 1 are used, the view of the back or perspective view in Fig. 1 respectively. Fig. 2 is shown. The block 1 is cuboid shaped and has in the rear half of his Narrow the circumferential groove 2 on. In the front area 3 of the block 1, the temperature-resistant fiber products 4 are glued between the groove 2 and the outer surface. How out Fig. 1 and Fig. 2 recognizable, the front portion 3 of the cuboid of the block 1 is designed slightly larger than the rear portion 5 of this block. 1

Um die in Fig. 3 im Ausschnitt dargestellte wärmedämmende Auskleidung herzustellen, werden mehrere Blöcke 1, die die in Fig. 1 und Fig. 2 dargestellte Form besitzen, nebeneinander gestellt. Jeder Block 1 ist gleich geformt. Es ist nicht notwendig zusätzlich die Blöcke in Form zu schneiden oder zu bearbeiten. In Fig. 4 ist der Querschnitt A-A gemäß Fig. 3 dargestellt, Beide Figuren werden nunmehr im Einzelnen beschrieben.To the in Fig. 3 To produce in the cutout heat-insulating lining, several blocks 1, the in Fig. 1 and Fig. 2 have shown shape, juxtaposed. Each block 1 is shaped the same. It is not necessary to additionally cut or process the blocks. In Fig. 4 is the cross section AA according to Fig. 3 Both figures will now be described in detail.

Jeder Block 1 weist die umlaufende Nut 2 auf und ist mit den temperaturbeständigen Fasererzeugnissen 4 an zwei Schmalseiten beklebt. Da jeder Block 1 an zwei Seiten mit den temperaturbeständigen Fasererzeugnissen 4 (gemäß Fig. 2 an der Oberseite und an der rechten Seite) versehen ist, tritt nach dem Aufbau der Blöcke im Verbund eine umlaufende Dehnfuge für jeden Block durch das Aneinandergrenzen der Fasererzeugnisse 4 auf. Der gemäß Fig. 2 nach links weisende vordere Bereich 3 des Blockes 1 bildet gemäß Fig. 3 die Außenfläche, so dass jeder Block 1 gemäß Fig. 3 rechts und oben mit den beschriebenen temperaturbeständigen Fasererzeugnissen 4 versehen ist.Each block 1 has the circumferential groove 2 and is covered with the temperature-resistant fiber products 4 on two narrow sides. Since each block 1 on two sides with the temperature-resistant fiber products 4 (according to Fig. 2 at the top and at the right side), after the blocks are assembled in a composite, a circumferential expansion joint for each block occurs by the juxtaposition of the fiber products 4. The according to Fig. 2 to the left-facing front portion 3 of the block 1 forms according to Fig. 3 the outer surface, so that each block 1 according to Fig. 3 right and above with the temperature-resistant fiber products 4 described is provided.

In Fig. 4 ist der Schnitt A-A gemäß Fig. 3 dargestellt. Man erkennt die Stahlanker 6 die die Blöcke 1 an der Wand eines Industrieofens halten. Die Wand des Industrieofens weist die Metallwand 7 und die Isolierplatten 13 auf. Die Haken 8 sind an der Metallwand 7 auf an sich übliche Weise befestigt und durchdringen die Isolierplatten 13. Am äußeren Ende ist der Haken 8 nach oben gebogen, um das Loch 11 des Stahlankers 6 aufzunehmen. Der Stahlanker 6 ist aus einem Flacheisen geformt, dessen geschlitzter und ausgestanzter vorderer Bereich jeweils zu einer Spitze 9 nach oben bzw. zu einer Spitze 10 nach unten aufgebogen ist. Fig. 5 zeigt die perspektivische Ansicht eines derartigen Stahlankers 6. Die Spitze 10 dringt gemäß Fig. 4 nach unten in die Nut 2 eines Blockes 1 ein. Die Spitze 9 greift in die Nut 2 des oberen Blockes 1 ein. Jeder Stahlanker 6 hält auf diese Weise zwei Blöcke 1 an der Wand 7. Im hinteren Bereich des Stahlankers 6 befindet sich ein Loch 11, in die der Haken 8 eingreift.In Fig. 4 is the section AA according to Fig. 3 shown. One recognizes the steel anchor 6 which hold the blocks 1 on the wall of an industrial furnace. The wall of the industrial furnace has the metal wall 7 and the insulating plates 13. The hooks 8 are fixed to the metal wall 7 in a conventional manner and penetrate the insulating plates 13. At the outer end of the hook 8 is bent upward to receive the hole 11 of the steel anchor 6. The steel anchor 6 is formed of a flat iron whose slotted and punched out front portion is bent in each case to a tip 9 upwards or to a top 10 downwards. Fig. 5 shows the perspective view of such a steel anchor 6. The tip 10 penetrates according Fig. 4 down into the groove 2 of a block 1 a. The tip 9 engages in the groove 2 of the upper block 1. Each steel anchor 6 holds in this way two blocks 1 on the wall 7. In the rear region of the steel anchor 6 is a hole 11, in which the hook 8 engages.

Fig. 6 zeigt die perspektivische Ansicht eines Stahlankers 14 der alternativ zu dem eben beschriebenen Stahlanker 6 verwendet werden kann. Die Verwendung eines derartigen Stahlankers 14 entspricht den eben beschriebenen Handhabungen bei der Beschreibung von Fig. 3 und Fig. 4. Der in Fig. 6 dargestellte Stahlanker 14 weist in seinem hinteren Bereich das Loch 15 und in seinem vorderen Bereich das Loch 16 auf. In diesem vorderen Loch 16 befindet sich der Rundstahl 17 der in dieses Loch 16 eingesteckt wurde und bei der Herstellung leicht gequetscht wird, damit er nicht aus dem Loch fällt. Dabei entsteht der Wulst 20. Die nach unten aus dem Stahlanker 14 herausragende Spitze 19 des Rundstahls 17 greift beim Aufstellen der Blöcke 1 in die Nut 2 eines Blockes 1 ein. Die obere Spitze 18 des Rundstahls 17 greift in die Nut 2 des oberen Blockes 1 ein. Jeder Stahlanker 14 hält auf diese Weise zwei Blöcke 1 an der Wand 7 analog zu der Darstellung der Stahlanker 6 gemäß Fig. 3 und Fig. 4. Fig. 6 shows the perspective view of a steel anchor 14 can be used as an alternative to the steel anchor 6 just described. The use of such a steel anchor 14 corresponds to the just described manipulations in the description of Fig. 3 and Fig. 4 , The in Fig. 6 shown steel anchor 14 has in its rear region, the hole 15 and in its front region, the hole 16. In this front hole 16 is the round steel 17 which was inserted into this hole 16 and is easily crushed during manufacture, so that it does not fall out of the hole. This results in the bead 20. The down from the steel anchor 14 outstanding tip 19 of the round bar 17 engages when setting up the blocks 1 in the groove 2 of a block 1 a. The upper tip 18 of the round bar 17 engages in the groove 2 of the upper block 1. Each steel anchor 14 holds in this way two blocks 1 on the wall 7 analogous to the representation of the steel anchor 6 according to Fig. 3 and Fig. 4 ,

Mehrere Blöcke 1 werden nunmehr im Verbund aufgestellt, wie es in Fig. 3 dargestellt ist. Jeder Block 1 ist mit zwei Stahlankern 6 an seiner Oberseite und mit zwei Stahlankern 6 an seiner Unterseite gehalten. Jeder Stahlanker 6 greift in die Nut 2 jedes Blockes 1 auf die beschriebene und dargestellte Weise ein.Several blocks 1 are now set up in the network, as in Fig. 3 is shown. Each block 1 is held with two steel anchors 6 on its upper side and with two steel anchors 6 on its underside. Each steel anchor 6 engages in the groove 2 of each block 1 in the manner described and illustrated.

Sind nunmehr mehrere Blöcke 1 auf diese Weise aufgebaut worden, vorzugsweise etwa drei bis vier Reihen, so wird dieser Wandabschnitt mit einer dünnflüssigen feuerfesten Masse 12 hintergossen. Diese dünnflüssige feuerfeste Masse 12, die vorzugsweise Beton ist, dringt von hinten bis in die umlaufende Nut 2 der Blöcke 1 ein. Im vorderen Bereich 3 wird das Weiterfließen der Masse 12 durch die Fasererzeugnisse 4 gehindert. Da jeder Block 1 in seinem vorderen Bereich 3 geringfügig größer ist als in seinem hinteren Bereich 5 ist das Einfließen der Masse 12 in die Nut 2 auf einfache Weise gewährleistet. Jeder Block 1 ist nach dem Aushärten der dünnflüssigen feuerfesten Masse 12 ringsum formschlüssig verankert. Die wärmedämmende Auskleidung ist stabilisiert und es ist nicht mehr notwendig zusätzlich eine Konsole oder ähnliches einzubauen.Now, if several blocks 1 have been constructed in this way, preferably about three to four rows, so this wall section with behind a low-viscosity refractory mass 12. This low-viscosity refractory mass 12, which is preferably concrete, penetrates from behind into the circumferential groove 2 of the blocks 1. In the front region 3, the further flow of the mass 12 is prevented by the fiber products 4. Since each block 1 is slightly larger in its front region 3 than in its rear region 5, the inflow of the mass 12 into the groove 2 is ensured in a simple manner. Each block 1 is anchored around the surface of the thin liquid refractory mass 12 after curing. The heat-insulating lining is stabilized and it is no longer necessary to additionally install a console or similar.

Claims (7)

Wärmedämmende Auskleidung von Industrieöfen mit feuerfesten Blöcken und Stahlankern, die die Blöcke an einer Metallwand halten,
dadurch gekennzeichnet,
dass in den Schmalseiten jedes Blockes (1) eine umlaufende Nut (2) eingeformt ist,
dass zumindest ein Stahlanker (6; 14) mit einer Spitze (9,10; 18,19) in die Nut (2) eines Blockes (1) eingreift und
dass die Blöcke umlaufend formschlüssig mittels ausgehärteter feuerfester Masse verankert sind.Heat-insulating lining of industrial furnaces with refractory blocks and steel anchors holding the blocks on a metal wall
characterized,
that in the narrow sides of each block (1) a circumferential groove (2) is formed,
in that at least one steel anchor (6; 14) engages with a point (9, 10; 18, 19) in the groove (2) of a block (1) and
that the blocks are anchored peripherally positively by means of hardened refractory mass. Wärmedämmende Auskleidung nach Anspruch 1,
dadurch gekennzeichnet,
dass ein Block (1) im vorderen Bereich (3) zwischen Nut (2) und Außenfläche an zumindest zwei Schmalseiten mit temperaturbeständigen Fasererzeugnissen (4) beklebt ist.Heat-insulating lining according to claim 1,
characterized,
that a block (1) in the front region (3) between groove (2) and outer surface on at least two narrow sides with temperature-resistant fiber products (4) is pasted. Wärmedämmende Auskleidung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die umlaufende Nut (2) im hinteren Bereich der Schmalseiten jedes quaderförmigen Blockes (1) eingeformt ist.Heat-insulating lining according to claim 1 or 2,
characterized,
that the circumferential groove (2) of each parallelepiped-shaped block (1) is formed in the rear region of the narrow sides. Wärmedämmende Auskleidung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass der vordere Bereich (3) eines Blockes (1) zwischen Nut (2) und Außenfläche geringfügig größer ist als der hintere Bereich (5) des Blockes (1), der zu der zu verkleidenden Wand weist.Heat-insulating lining according to at least one of the preceding claims,
characterized,
in that the front area (3) of a block (1) between groove (2) and outer surface is slightly larger than the rear area (5) of the block (1) facing the wall to be covered. Wärmedämmende Auskleidung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass der Stahlanker (6) aus einem Flacheisen geformt ist, dessen geschlitzter und ausgestanzter vorderer Bereich nach oben bzw. unten unter Bildung jeweils einer Spitze (9; 10) aufgebogen ist.Heat-insulating lining according to at least one of the preceding claims,
characterized,
in that the steel anchor (6) is formed from a flat iron whose slotted and punched front region is bent upwards or downwards, forming a respective tip (9; 10). Wärmedämmende Auskleidung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass der Stahlanker (14) ein Flacheisen und einen Rundstahl (17) aufweist, wobei der Rundstahl (17) in einem Loch (16) im vorderen Bereich des Stahlankers (14) angeordnet ist und eine Spitze (18) des Rundstahls (17) nach oben und eine Spitze (19) nach unten weist.Heat-insulating lining according to at least one of the preceding claims,
characterized,
that the steel anchor (14) comprises a flat iron and a steel rod (17), said steel rod (17) is arranged in a hole (16) in the front area of the steel anchor (14) and a tip (18) of the round steel (17) above and a tip (19) facing down. Verfahren zur Herstellung einer wärmedämmenden Auskleidung von Industrieöfen mit feuerfesten Blöcken und Stahlankern nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass Blöcke (1), in deren Schmalseiten jeweils eine umlaufende Nut (2) eingeformt ist, im Verbund aufgestellt werden,
dass jeder Block (1) an zwei Schmalseiten mit temperaturbeständigen Fasererzeugnissen (4) beklebt ist,
dass ein Stahlanker (6; 14) mit einer Spitze (9,10; 18,19) in die umlaufende Nut (2) eines Blockes (1) eingreift, und
dass die aufgestellten Blöcke (1) abschnittsweise mit einer dünnflüssigen feuerfesten Masse (12) hintergossen werden, so dass die Blöcke (1) umlaufend formschlüssig verankert sind.Method for producing a heat-insulating lining of industrial furnaces with refractory blocks and steel anchors according to at least one of the preceding claims,
characterized,
that blocks (1), in whose narrow sides in each case a circumferential groove (2) is formed, are set up in the composite,
that each block (1) at two narrow sides with temperature resistant fiber products (4) is glued,
that a steel anchor (6; 14) with a tip (9,10; 18,19) engages in the circumferential groove (2) of a block (1), and
that the erected blocks (1) are in sections with a low-viscosity refractory material (12) are back-poured, so that the blocks (1) are anchored circumferentially positively.
EP09013944.5A 2008-11-19 2009-11-06 Thermal insulation cover for industrial furnaces Active EP2189743B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810057920 DE102008057920A1 (en) 2008-11-19 2008-11-19 Heat-insulating lining of industrial furnaces

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EP2189743A1 true EP2189743A1 (en) 2010-05-26
EP2189743B1 EP2189743B1 (en) 2013-12-18

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Cited By (4)

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DE102012103748A1 (en) 2012-04-27 2013-10-31 Jünger+Gräter GmbH Fireproof inner layer for industrial furnace
DE102016119924A1 (en) 2016-10-19 2018-04-19 Jünger+Gräter GmbH Industrial furnace wall with lining
CN111721125A (en) * 2020-07-01 2020-09-29 中国联合工程有限公司 Industrial furnace and working method thereof
DE102019124600A1 (en) * 2019-09-12 2021-03-18 Jünger+Gräter GmbH Anchoring system

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012103748A1 (en) 2012-04-27 2013-10-31 Jünger+Gräter GmbH Fireproof inner layer for industrial furnace
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DE102016119924A1 (en) 2016-10-19 2018-04-19 Jünger+Gräter GmbH Industrial furnace wall with lining
DE102019124600A1 (en) * 2019-09-12 2021-03-18 Jünger+Gräter GmbH Anchoring system
CN111721125A (en) * 2020-07-01 2020-09-29 中国联合工程有限公司 Industrial furnace and working method thereof

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