EP1814962B1 - Process and device for producing horizontally tamped coal cakes - Google Patents

Process and device for producing horizontally tamped coal cakes Download PDF

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Publication number
EP1814962B1
EP1814962B1 EP05801897A EP05801897A EP1814962B1 EP 1814962 B1 EP1814962 B1 EP 1814962B1 EP 05801897 A EP05801897 A EP 05801897A EP 05801897 A EP05801897 A EP 05801897A EP 1814962 B1 EP1814962 B1 EP 1814962B1
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EP
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Prior art keywords
delivery chute
coal
cake
cylinder head
head piece
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EP05801897A
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German (de)
French (fr)
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EP1814962A1 (en
Inventor
Franz-Josef Schücker
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ThyssenKrupp Industrial Solutions AG
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Uhde GmbH
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B45/00—Other details
    • C10B45/02—Devices for producing compact unified coal charges outside the oven

Definitions

  • the invention relates to an apparatus and a method for the horizontal production of a Kohlepresskuchens for the purpose of coking the coal cake in the furnace chamber of a coke oven, wherein stationary pressing tools are used, which operate horizontally and with a narrow stroke length.
  • DE 198 07 484 describes a ramming process.
  • rammer rods are lifted above a loose bed of coal by means of linear motors and dropped onto the bed.
  • a similar procedure is also used in DE 35 33 071 or DE 39 10 214 described.
  • This stamper must therefore be constructed so that the bars are suitable to stomp an even very flat coal cake as well as an already completely filled press chamber against almost finished tamping cake equally intense and evenly.
  • US 3,912,091 discloses a device in which a horizontal ram cake is made. During the filling process, the coal in the chamber is leveled vertically from above and at the same time compacted in the chamber.
  • the operation of the elaborate conveying and compressing device in the hot oven chamber is technically very demanding, since a complex water cooling is required for the conveyor.
  • the vibrations caused by the compacting device are to be viewed critically, since this can cause damage to the masonry.
  • Another disadvantage is that the grading tools must be performed from mobile so that they can be moved over the stamping cake.
  • DE 195 45 736 also discloses the production of a horizontal Kohlepresskuchens, wherein the coal bed outside the furnace is filled in a so-called setting box and then compacted.
  • the dimensions of the finished coal cake are in DE 195 45 736 preferably 0.6m high, 3-5m wide and 10-20m long. A method for compacting this horizontal coal cake is not carried out in the document.
  • the object of the invention is thus to remedy the deficiency in the prior art and to provide a carbon press apparatus and a method which operates more economically by a more compact design and has the same or better press properties, such as known stamping apparatus and stamping method.
  • a hydraulic pressing device which at least from a hydraulic ram, a mold, inserted in the bottom of the mold and removable cup carrier plate and one above the die arranged chute is, further, characterized in that the die is constituted by a carriage or slide comprises the walls, a bottom and a stop wall, above which transversely to its direction of travel, the chute is arranged, the hydraulic cylinders which are secured stationary and move a cylinder head piece in a horizontal direction, during the propulsion coming from the chute coal material by means of the cylinder head piece transversely to the chute and under this against the stop wall and under a flat press cake cover out by pressing, wherein the carriage braked with a propulsion direction of the hydraulic cylinder opposite force and the press cake cover, which adjoins directly to the chute, and the cylinder head piece and the chute are aligned in parallel.
  • An advantageous embodiment consists in that the cylinder head piece is formed from a vertical pressure plate and a horizontal closure plate, wherein the cylinder head piece does not narrow the outlet of the chute in the rest position, which represents the first end position and when driving the closure plate of the cylinder head the outlet of the chute progressively narrows and at maximum stroke, the second end position, the outlet of the chute completely closes.
  • the cylinder head piece is divided transversely to the direction of advance into at least two sections.
  • the press cake cover the mold in the direction of advancement of the coal cake only partially covered can be adjusted in height and it can be raised in particular for coal cake removal. It is advantageous if the press cake cover or its suspension is designed such that the contact pressure on the coal cake is changeable.
  • the press cake cover plate is segmented in the advancing direction of the hydraulic cylinder, so that the contact pressure of the individual segments can be adjusted independently of each other.
  • An optimized variant of the device provides to make the braking force of the mold formed as a carriage or slide so that it is changeable.
  • it is possible, via the horizontally and vertically variable pressing force, to respond to different coal qualities of the bed and to ensure optimum shaping of the coal cake.
  • the invention comprises a device which uses a flat trough as a mold for the device described above.
  • a slidable stop wall is arranged in the tub, above which and parallel to the stop wall a chute is arranged, the hydraulic cylinder, which are fixed stationary and move a cylinder head piece in the horizontal direction, the propulsion from the chute coming coal material by means of the cylinder head piece transverse to the chute and under this against the stop wall and under a plane Press press cake cover, wherein the stop wall is braked with a propulsion direction of the hydraulic cylinder opposite force, and the press cake cover, which connects directly to the chute, and the cylinder head piece and the chute are aligned parallel.
  • the cylinder head piece is formed of a vertical pressure plate and a horizontal closure plate, the cylinder head piece not narrowing the outlet of the chute in the rest position, which is the first end position, and driving the closure plate of the chute Cylinder head progressively narrows the outlet of the chute and at maximum stroke, the second end position, the outlet of the chute completely closes.
  • the braking force of the stop wall is variable.
  • a further advantageous embodiment of the device according to the invention provides that the press cake cover only partially covers the trough in the advancing direction of the coal cake.
  • the device can further be improved so that the press cake cover and can be adjusted in height and they can be raised in particular for coal cake removal and an additional improvement is that the contact pressure of the press cake cover plate is changeable.
  • the Presskuchenabdeckplatte is segmented in the advancing direction of the hydraulic cylinder and the contact pressure of the individual segments can be changed independently. Furthermore, it is altogether advantageous to arrange the hydraulic cylinder, the chute and the press cake cover plate in such a way that they are arranged parallel to the narrow side of the trough in order to keep the dimensions as small as possible.
  • the invention comprises a method for producing a coal cake, in which one of the aforementioned hydraulic pressing devices is provided, wherein the mold may be formed as a carriage, car or tub, and which is characterized in that the coal cake to be produced from a plurality of horizontal pressing operations is formed and the free-flowing carbon material is pressed to an up to 60% higher density. It is from the cylinder head or the pressure plate at the end of the cylinder head a substantially always the same Travel distance traveled because the coal press cake is displaced to the extent that it is formed with or in the mold to the rear.
  • Fig. 1 the device according to the invention is shown by way of example as a sketch, wherein the pressing device is designed as a carriage and in Fig. 2 the pressing device is designed as a trough.
  • Fig. 1a the mold, in the form of a carriage 1, which consists essentially of the bottom 2, the applied and removable cup base plate 3, the front in the direction of travel arranged stop wall 4 and below the bottom 2 arranged rollers 5.
  • the chute 6 Above the carriage 1, the chute 6 is arranged, in which bulk coal 7 is filled and which falls down to the carriage 1 or the cake carrier plate 3.
  • the hydraulic cylinder 8 is shown, which is mounted on a fastening device 9 and which is parallel to the chute 6 and bridges the underlying carriage 1, so that this runs under the mounting bridge 9 the hydraulic cylinder 8 therethrough.
  • the cylinder head piece of in Fig. 1a substantially comprises a vertical pressure plate 10 and a connected thereto and horizontally aligned closure plate 11.
  • Die Presskuchenabdeckung 12 which in Fig. 1a ) is shown in a raised position, so that the stop wall 4 can be driven under this, is arranged above the carriage 1 and extends horizontally to the cake carrier plate 3. It can be seen that in the area between the pressure plate 10 shown here in a reset position Hydraulic cylinder 8, the stop wall 10 and below the chute 6, the bulk coal 7 falls on the cake carrier plate 3.
  • Fig. 1b the hydraulic cylinders 8 are partially raised, so that the closure plate 11, the outlet of the chute 6 partially closes. Furthermore, a region 13a can be seen directly in front of the printing plate, which was identified by a simple hatching, in which pre-pressed loose coal is included.
  • the already formed by multiple pressing operations coal press cake 13 is formed between the stop wall 4, press cake cover 12 and the pressure plate 10 of the hydraulic cylinder 8. The direction of the contact pressure of the press cake cover 12 is indicated as arrow 17.
  • the carriage 1 To apply the pressing force against the stop wall 4, the carriage 1 must be braked.
  • the direction of the braking force is indicated by the arrow 14, the specific braking device is not shown and may be formed in any manner known in the art.
  • the car 1 is in Fig. 1 b) has already been moved from the starting position, which is represented by the dashed position line 15, against the direction of the braking force and in the direction of the advancing direction of the hydraulic cylinder 8.
  • Fig. 1c is the fully prepared carbon press cake 13, wherein the carriage 1 has also arrived in the end position.
  • the cake carrier plate 3 with the coal press cake 13 is ready to take.
  • Fig. 2 shows the device according to the invention, wherein the mold is formed as a trough 16 and the bottom 2 is substantially not mobile.
  • the not rigidly connected to the mold stop wall 4 is braked analogously to the aforementioned device, so that the required pressure for the production of Kohlepresskuchens 13 is achieved.
  • the coal press cake 13 is produced on the cake carrier plate 3 and also formed between the stop wall 4, press cake cover 12 and the pressure plate 10 of the hydraulic cylinder 8.
  • the direction of the contact pressure of the press cake cover 12 is indicated as arrow 17.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Casting Devices For Molds (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Confectionery (AREA)
  • Dairy Products (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Coke Industry (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)

Abstract

A process and device are disclosed for producing horizontally tamped coal cakes for coking in the oven chamber of a coking oven, the coal cakes being formed in a compression mold by stationary compression tools which work in the horizontal direction and with a stroke having a strictly limited length. The compression mold has a sliding stop wall which is moved away from the compression tools as the coal cake grows, under the effect of a suitable antagonistic braking force.

Description

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur horizontalen Herstellung eines Kohlepresskuchens zum Zwecke der Verkokung des Kohlekuchens in der Ofenkammer eines Koksofens, wobei stationäre Presswerkzeuge eingesetzt werden, welche horizontal und mit einer eng begrenzten Hublänge arbeiten.The invention relates to an apparatus and a method for the horizontal production of a Kohlepresskuchens for the purpose of coking the coal cake in the furnace chamber of a coke oven, wherein stationary pressing tools are used, which operate horizontally and with a narrow stroke length.

Im Stand der Technik sind Vorrichtungen und Verfahren zum Stampfen von Kohlekuchen seit langem bekannt, hierzu seien beispielhaft die DE 557 178 und DE 31 45 344 genannt. Stand der Technik ist es, die Kohlestampfkuchen derart herzustellen, dass dieser senkrecht nach oben bis zur vollen Höhe wächst.In the prior art devices and methods for pounding of coal cake have long been known, these are exemplary DE 557 178 and DE 31 45 344 called. The state of the art is to produce the coal cake such that it grows vertically up to full height.

DE 198 07 484 beschreibt hierzu ein Stampfverfahren. Dazu werden Stampferstangen oberhalb einer losen Kohleschüttung mittels Linearmotoren angehoben und auf die Schüttung fallen gelassen. Ein ähnliches Verfahren wird auch in DE 35 33 071 oder DE 39 10 214 beschrieben. Diese Stampfvorrichtung muss folglich so aufgebaut sein, dass die Stangen geeignet sind, einen noch sehr flachen Kohlestampfkuchen genauso wie eine bereits vollständig gefüllte Presskammer versus fast fertigen Stampfkuchen gleichermaßen intensiv und gleichmäßig zu stampfen. DE 198 07 484 describes a ramming process. For this purpose, rammer rods are lifted above a loose bed of coal by means of linear motors and dropped onto the bed. A similar procedure is also used in DE 35 33 071 or DE 39 10 214 described. This stamper must therefore be constructed so that the bars are suitable to stomp an even very flat coal cake as well as an already completely filled press chamber against almost finished tamping cake equally intense and evenly.

Üblicher Weise sind Stampfkuchen und somit auch die Presskammern, in welchen diese hergestellt werden, in technischen Verkokungsanlagen 4m bis 7m hoch, was den Nachteil hat, dass für die Stampfstangen ein entsprechender zusätzlicher Raum oberhalb der Presskammern vorgesehen werden muss. Weiterhin müssen die Befüllvorrichtungen oberhalb dieser Presskammern angeordnet sein und die gesamte Kohleschüttung auf ein Niveau oberhalb der Presskammern gebracht werden, bevor es in die Presskammern eingefüllt werden kann.Conventionally, rammed cakes and thus also the press chambers in which they are produced in technical coking plants 4m to 7m high, which has the disadvantage that for the ramming rods a corresponding additional space must be provided above the press chambers. Furthermore, the filling devices must be arranged above these press chambers and the entire coal bed must be brought to a level above the press chambers before it can be filled into the press chambers.

Weiterhin ist im Stand der Technik bekannt, dass die Stampfstangen und vor allem die Füße der Stampfstangen den Eintrag der Schüttkohle im Wege sind. Hierzu wird in DE 31 45 344 vorgeschlagen, die Füße der Stampfstangen derart auszugestalten, dass die Stampfstangenfüße klappbar gestaltet sind, so dass sie der Kohle beim Einfüllen den freien Querschnitt weniger verschließen. Ein Nachteil dabei ist, dass die mechanisch hochbelasteten Stampfstangenfüße mit beweglichen Elementen versehen werden, die schadensanfälliger sind als eine starre Vorrichtung und gewartet werden müssen. In dieser Schrift wird die Höhe der Stampfkuchen mit 4m bis 6m angegeben.Furthermore, it is known in the prior art that the ramming rods and especially the feet of the ramming rods are the entry of the bulk coal in the way. This is done in DE 31 45 344 proposed to design the feet of the ramming rods such that the ramming rod feet are designed to be foldable, so that they close the coal when filling the free cross section less. A disadvantage of this is that the mechanically highly loaded ramming rod feet are provided with movable elements that are more prone to damage than a rigid device and must be maintained. In this document, the height of the rammed cake is given with 4m to 6m.

Zur Herstellung von niedrigen also flach liegenden Kohlestampfkuchen, wie sie üblicher Weise in den sogenannten "non-recovery-coke ovens" eingesetzt werden schlägt DE 198 03 455 vor, den Kuchen in der bekannten stehenden Pressform zu stampfen und diese Pressform als Teil einer Kippvorrichtung auszugestalten, um den Presskuchen nach der Herstellung in die Horizontale bringen zu können. Diese Vorrichtung ist technisch sehr aufwendig.For the production of low so lying flat coal cake, as they are commonly used in the so-called "non-recovery coke ovens" suggests DE 198 03 455 to stamp the cake in the known standing mold and to design this mold as part of a tilting device to the press cake after the production in the horizontal to be able to bring. This device is technically very complicated.

US 3,912,091 offenbart eine Vorrichtung, in welcher ein liegender Stampfkuchen hergestellt wird. Hierbei wird während des Füllvorgangs die Kohle in der Kammer senkrecht von oben planiert und gleichzeitig auch in der Kammer verdichtet. Der Betrieb der aufwendigen Förder- und Verdichtungseinrichtung in der heißen Ofenkammer ist technisch sehr anspruchsvoll, da eine aufwändige Wasserkühlung für den Förderer erforderlich ist. Insbesondere sind die Erschütterungen durch die Verdichtungseinrichtung kritisch zu betrachten, da hierdurch Beschädigungen am Mauerwerk hervorgerufen werden können. Weiterhin ist nachteilig, dass die Planierwerkzeuge mobil aus geführt werden müssen, damit sie über dem Stampfkuchen bewegt werden können. US 3,912,091 discloses a device in which a horizontal ram cake is made. During the filling process, the coal in the chamber is leveled vertically from above and at the same time compacted in the chamber. The operation of the elaborate conveying and compressing device in the hot oven chamber is technically very demanding, since a complex water cooling is required for the conveyor. In particular, the vibrations caused by the compacting device are to be viewed critically, since this can cause damage to the masonry. Another disadvantage is that the grading tools must be performed from mobile so that they can be moved over the stamping cake.

In DE 195 45 736 wird ebenfalls die Herstellung eines liegenden Kohlepresskuchens offenbart, wobei die Kohleschüttung außerhalb des Ofens in einen sogenannten Setzkasten gefüllt wird und anschließend verdichtet wird. Die Abmessungen des fertigen Kohlekuchens werden in DE 195 45 736 mit vorzugsweise 0,6m hoch, 3-5m breit und 10-20m lang angegeben. Ein Verfahren zur Verdichtung dieses liegenden Kohlekuchens wird in der Schrift nicht ausgeführt.In DE 195 45 736 also discloses the production of a horizontal Kohlepresskuchens, wherein the coal bed outside the furnace is filled in a so-called setting box and then compacted. The dimensions of the finished coal cake are in DE 195 45 736 preferably 0.6m high, 3-5m wide and 10-20m long. A method for compacting this horizontal coal cake is not carried out in the document.

Aufgabe der Erfindung ist es somit, den Mangel im Stand der Technik zu beheben und eine Kohlepressvorrichtung und ein Verfahren bereitzustellen, welches durch eine kompaktere Bauform wirtschaftlicher arbeitet und die selben oder bessere Presseigenschaften hat, wie bekannte Stampfvorrichtung und Stampfverfahren.The object of the invention is thus to remedy the deficiency in the prior art and to provide a carbon press apparatus and a method which operates more economically by a more compact design and has the same or better press properties, such as known stamping apparatus and stamping method.

Die Erfindung löst die Aufgabe dadurch, dass zur Herstellung eines verdichteten Kohlekuchens aus einem schüttfähigen Kohlenmaterial zum Einsatz in einem Verkokungsofen eine hydraulische Pressvorrichtung eingesetzt wird, welche mindestens aus einem Hydraulikstempel, einer Pressform, einer im Boden der Pressform eingelegten und entnehmbaren Kuchenträgerplatte und einer über der Pressform angeordneten Schüttrinne besteht, die weiterhin , dadurch gekennzeichnet, dass die Pressform aus einem Wagen oder Schlitten gebildet wird, der Wandungen, einen Boden und eine Anschlagwand umfasst, oberhalb welchem quer zu dessen Fahrtrichtung die Schüttrinne angeordnet ist, die Hydraulikzylinder, welche stationär befestigt sind und ein Zylinderkopfstück in horizontaler Richtung bewegen, beim Vortrieb das aus der Schüttrinne kommende Kohlematerial mittels des Zylinderkopfstücks quer zur Schüttrinne und unter dieser hindurch gegen die Anschlagwand und unter einer ebenen Presskuchenabdeckung hindurch pressen, wobei der Wagen mit einer der Vortriebsrichtung der Hydraulikzylinder entgegengesetzten Kraft gebremst wird, und die Presskuchenabdeckung, die sich direkt an die Schüttrinne anschließt, sowie das Zylinderkopfstück und die Schüttrinne parallel ausgerichtet sind.The invention solves the problem in that for producing a compacted coal cake from a free-flowing coal material for use in a coking furnace, a hydraulic pressing device is used which at least from a hydraulic ram, a mold, inserted in the bottom of the mold and removable cup carrier plate and one above the die arranged chute is, further, characterized in that the die is constituted by a carriage or slide comprises the walls, a bottom and a stop wall, above which transversely to its direction of travel, the chute is arranged, the hydraulic cylinders which are secured stationary and move a cylinder head piece in a horizontal direction, during the propulsion coming from the chute coal material by means of the cylinder head piece transversely to the chute and under this against the stop wall and under a flat press cake cover out by pressing, wherein the carriage braked with a propulsion direction of the hydraulic cylinder opposite force and the press cake cover, which adjoins directly to the chute, and the cylinder head piece and the chute are aligned in parallel.

Eine vorteilhafte Ausführung besteht darin, dass das Zylinderkopfstück aus einer vertikalen Druckplatte und einer horizontalen Verschlussplatte gebildet ist, wobei das Zylinderkopfstück den Auslass der Schüttrinne in der Ruheposition, welche die ersten Endposition darstellt, nicht verengt und beim Vortrieb die Verschlussplatte des Zylinderkopfes den Auslass der Schüttrinne fortschreitend verengt und bei maximalem Hub, der zweiten Endposition, den Auslass der Schüttrinne vollständig verschließt.An advantageous embodiment consists in that the cylinder head piece is formed from a vertical pressure plate and a horizontal closure plate, wherein the cylinder head piece does not narrow the outlet of the chute in the rest position, which represents the first end position and when driving the closure plate of the cylinder head the outlet of the chute progressively narrows and at maximum stroke, the second end position, the outlet of the chute completely closes.

In einer weiteren vorteilhaften Ausgestaltung der erfinderischen Vorrichtung, ist das Zylinderkopfstück quer zur Vortriebsrichtung in mindestens zwei Teilstücke unterteilt ist.In a further advantageous embodiment of the inventive device, the cylinder head piece is divided transversely to the direction of advance into at least two sections.

Vorteilhaft ist ebenfalls eine Variante der erfinderischen Vorrichtung, in welcher die Presskuchenabdeckung die Pressform in Vortriebsrichtung des Kohlekuchens nur teilweise überdeckt, in der Höhe verstellt werden kann und sie insbesondere zur Kohlekuchenentnahme angehoben werden kann. Dabei ist es vorteilhaft, wenn die Presskuchenabdeckung beziehungsweise deren Aufhängung derart gestaltet ist, dass der Auflagedruck auf den Kohlekuchen veränderbar ist.Also advantageous is a variant of the inventive device in which the press cake cover the mold in the direction of advancement of the coal cake only partially covered, can be adjusted in height and it can be raised in particular for coal cake removal. It is advantageous if the press cake cover or its suspension is designed such that the contact pressure on the coal cake is changeable.

In einer weiter optimierten Ausführungsform ist die Presskuchenabdeckplatte in Vortriebsrichtung der Hydraulikzylinder segmentiert, so dass der Auflagedruck der einzelnen Segmente voneinander unabhängig eingestellt werden kann.In a further optimized embodiment, the press cake cover plate is segmented in the advancing direction of the hydraulic cylinder, so that the contact pressure of the individual segments can be adjusted independently of each other.

Ein optimierte Variante der Vorrichtung sieht vor, die Bremskraft der als Wagen oder Schlitten geformten Pressform so zu gestalten, dass diese veränderbar ist. Somit ist es möglich, über die horizontal und vertikal veränderbare Presskraft, auf unterschiedliche Kohlequalitäten der Schüttung zu reagieren und eine optimale Formgebung des Kohlekuchens sicherzustellen.An optimized variant of the device provides to make the braking force of the mold formed as a carriage or slide so that it is changeable. Thus, it is possible, via the horizontally and vertically variable pressing force, to respond to different coal qualities of the bed and to ensure optimum shaping of the coal cake.

Ideal ist es, wenn Hydraulikzylinder, Schüttrinne und Presskuchenabdeckplatte parallel zur Schmalseite des Wagens angeordnet sind, so dass die Dimensionierung dieser Vorrichtungskomponenten möglichst klein ausgeführt werden können.It is ideal if the hydraulic cylinder, chute and press cake cover plate are arranged parallel to the narrow side of the carriage, so that the dimensioning of these device components can be made as small as possible.

Weiterhin ist von der Erfindung eine Vorrichtung umfasst, welche als Pressform zur vorstehend beschriebenen Vorrichtung eine flache Wanne einsetzt. Dabei ist in der Wanne eine verschiebbare Anschlagswand angeordnet, oberhalb welcher und parallel zur Anschlagswand eine Schüttrinne angeordnet ist, die Hydraulikzylinder, welche stationär befestigt sind und ein Zylinderkopfstück in horizontaler Richtung bewegen, beim Vortrieb das aus der Schüttrinne kommende Kohlematerial mittels des Zylinderkopfstücks quer zur Schüttrinne und unter dieser hindurch gegen die Anschlagwand und unter einer ebenen Presskuchenabdeckung hindurch pressen, wobei die Anschlagswand mit einer der Vortriebsrichtung der Hydraulikzylinder entgegengesetzten Kraft gebremst wird, und die Presskuchenabdeckung, welche sich direkt an die Schüttrinne anschließt, sowie, das Zylinderkopfstück und die Schüttrinne parallel ausgerichtet sind.Furthermore, the invention comprises a device which uses a flat trough as a mold for the device described above. Here, a slidable stop wall is arranged in the tub, above which and parallel to the stop wall a chute is arranged, the hydraulic cylinder, which are fixed stationary and move a cylinder head piece in the horizontal direction, the propulsion from the chute coming coal material by means of the cylinder head piece transverse to the chute and under this against the stop wall and under a plane Press press cake cover, wherein the stop wall is braked with a propulsion direction of the hydraulic cylinder opposite force, and the press cake cover, which connects directly to the chute, and the cylinder head piece and the chute are aligned parallel.

In einer verbesserten Ausführungsform dieser mit einer Wanne ausgestatteten Vorrichtung, ist das Zylinderkopfstück aus einer vertikalen Druckplatte und einer horizontalen Verschlussplatte gebildet ist, wobei das Zylinderkopfstück den Auslass der Schüttrinne in der Ruheposition, welche die ersten Endposition darstellt, nicht verengt und beim Vortrieb die Verschlussplatte des Zylinderkopfes den Auslass der Schüttrinne fortschreitend verengt und bei maximalem Hub, der zweiten Endposition, den Auslass der Schüttrinne vollständig verschließt.In an improved embodiment of this troughed device, the cylinder head piece is formed of a vertical pressure plate and a horizontal closure plate, the cylinder head piece not narrowing the outlet of the chute in the rest position, which is the first end position, and driving the closure plate of the chute Cylinder head progressively narrows the outlet of the chute and at maximum stroke, the second end position, the outlet of the chute completely closes.

In einer optimierten Variante der erfindungsgemäßen Vorrichtung ist die Bremskraft der Anschlagwand veränderbar.In an optimized variant of the device according to the invention, the braking force of the stop wall is variable.

Vorteilhaft ist es, das Zylinderkopfstück quer zur Vortriebsrichtung in mindestens zwei Teilstücke zu unterteilen.It is advantageous to subdivide the cylinder head piece transversely to the direction of advance into at least two sections.

Eine weitere vorteilhafte Ausführung der erfindungsgemäßen Vorrichtung sieht vor, dass die Presskuchenabdeckung die Wanne in Vortriebsrichtung des Kohlekuchens nur teilweise überdeckt. Dabei kann weiterhin die Vorrichtung dahingehend verbessert werden, dass die Presskuchenabdeckung und in der Höhe verstellt werden kann und sie insbesondere zur Kohlekuchenentnahme angehoben werden kann und eine zusätzliche Verbesserung besteht darin, dass der Auflagedruck der Presskuchenabdeckplatte veränderbar ist.A further advantageous embodiment of the device according to the invention provides that the press cake cover only partially covers the trough in the advancing direction of the coal cake. In this case, the device can further be improved so that the press cake cover and can be adjusted in height and they can be raised in particular for coal cake removal and an additional improvement is that the contact pressure of the press cake cover plate is changeable.

Weiterhin ist in einer verbesserten Ausgestaltung vorgesehen, dass die Presskuchenabdeckplatte in Vortriebsrichtung der Hydraulikzylinder segmentiert ist und der Auflagedruck der einzelnen Segmente voneinander unabhängig verändert werden kann. Weiterhin ist es insgesamt vorteilhaft, Hydraulikzylinder, Schüttrinne und Presskuchenabdeckplatte derart anzuordnen, dass diese parallel zur Schmalseite der Wanne angeordnet sind, um die Dimensionen möglichst klein zu halten.Furthermore, it is provided in an improved embodiment that the Presskuchenabdeckplatte is segmented in the advancing direction of the hydraulic cylinder and the contact pressure of the individual segments can be changed independently. Furthermore, it is altogether advantageous to arrange the hydraulic cylinder, the chute and the press cake cover plate in such a way that they are arranged parallel to the narrow side of the trough in order to keep the dimensions as small as possible.

Weiterhin ist von der Erfindung ein Verfahren zur Herstellung eines Kohlekuchens umfasst, bei welchem eine der vorgenannten hydraulischen Pressvorrichtungen vorgesehen ist, wobei die Pressform als Schlitten, Wagen oder Wanne ausgeformt sein kann, und welches sich dadurch auszeichnet, dass der herzustellende Kohlekuchen aus einer Vielzahl von horizontalen Preßvorgängen gebildet wird und das schüttfähige Kohlematerial auf eine bis zu 60% höhere Dichte gepresst wird. Dabei wird vom Zylinderkopf beziehungsweise der Druckplatte am Ende des Zylinderkopfes eine im wesentlichen immer gleichbleibende Wegstrecke zurückgelegt, da der Kohlepresskuchen in dem Maße, wie er gebildet wird, mit beziehungsweise in der Pressform nach hinten verschoben wird.Furthermore, the invention comprises a method for producing a coal cake, in which one of the aforementioned hydraulic pressing devices is provided, wherein the mold may be formed as a carriage, car or tub, and which is characterized in that the coal cake to be produced from a plurality of horizontal pressing operations is formed and the free-flowing carbon material is pressed to an up to 60% higher density. It is from the cylinder head or the pressure plate at the end of the cylinder head a substantially always the same Travel distance traveled because the coal press cake is displaced to the extent that it is formed with or in the mold to the rear.

In Fig. 1 ist die erfindungsgemäße Vorrichtung beispielhaft als Skizze dargestellt, wobei die Pressvorrichtung als Wagen ausgebildet ist und in Fig. 2 ist die Pressvorrichtung als Wanne ausgebildet ist.In Fig. 1 the device according to the invention is shown by way of example as a sketch, wherein the pressing device is designed as a carriage and in Fig. 2 the pressing device is designed as a trough.

Bezugszeichenliste

1
Wagen
2
Boden
3
Kuchenträgerplatte
4
Anschlagwand
5
Rad
6
Schüttrinne
7
Schüttkohle
8
Hydraulikzylinder
9
Befestigungsvorrichtung
10
Druckplatte
11
Verschlussplatte
12
Presskuchenabdeckung
13
Kohlepresskuchen
13a
Vorgepresste Kohle
14
Richtung der Bremskraft
15
Positionslinie
16
Wanne
17
Anschlagwand (verschiebbar)
18
Richtung der Anpresskraft
LIST OF REFERENCE NUMBERS
1
dare
2
ground
3
Cake carrier plate
4
abutment wall
5
wheel
6
chute
7
bulk coal
8th
hydraulic cylinders
9
fastening device
10
printing plate
11
closing plate
12
Pressed cake cover
13
Pressed coal cake
13a
Pre-pressed coal
14
Direction of braking force
15
position line
16
tub
17
Stop wall (movable)
18
Direction of the contact pressure

Man erkennt in Fig. 1a) die Pressform, in Bauart eines Wagens 1, welche im wesentlichen aus dem Boden 2, der aufgelegten und entnehmbaren Kuchenträgerplatte 3, der in Fahrtrichtung vorne angeordneten Anschlagwand 4 und unter dem Boden 2 angeordneten Rollen 5 besteht. Oberhalb des Wagens 1 ist die Schüttrinne 6 angeordnet, in welcher Schüttkohle 7 eingefüllt ist und die bis auf den Wagen 1 bzw. die Kuchenträgerplatte 3 fällt. Weiterhin ist in Fig. 1 a) der Hydraulikzylinder 8 dargestellt, welcher auf einer Befestigungsvorrichtung 9 befestigt ist und die parallel zur Schüttrinne 6 verläuft und den darunter liegenden Wagen 1 überbrückt, so dass dieser unter der Befestigungsbrücke 9 den Hydraulikzylinder 8 hindurch fährt.One recognizes in Fig. 1a ) the mold, in the form of a carriage 1, which consists essentially of the bottom 2, the applied and removable cup base plate 3, the front in the direction of travel arranged stop wall 4 and below the bottom 2 arranged rollers 5. Above the carriage 1, the chute 6 is arranged, in which bulk coal 7 is filled and which falls down to the carriage 1 or the cake carrier plate 3. Furthermore, in Fig. 1 a) the hydraulic cylinder 8 is shown, which is mounted on a fastening device 9 and which is parallel to the chute 6 and bridges the underlying carriage 1, so that this runs under the mounting bridge 9 the hydraulic cylinder 8 therethrough.

Das Zylinderkopfstück des in Fig. 1a) gezeigten Hydraulikzylinders 8 umfasst im wesentlichen eine senkrecht stehende Druckplatte 10 und eine mit dieser verbundenen und horizontal ausgerichteten Verschlussplatte 11. Die Presskuchenabdeckung 12, welche in Fig. 1a) in einer angehobenen Position dargestellt ist, damit die Anschlagwand 4 unter diese gefahren werden kann, ist oberhalb des Wagens 1 angeordnet und verläuft horizontal zum Kuchenträgerplatte 3. Es ist zu erkennen, dass in den Bereich zwischen der hier in einer Rückstellposition dargestellten Druckplatte 10 des Hydraulikzylinders 8, der Anschlagwand 10 und unterhalb der Schüttrinne 6, die Schüttkohle 7 auf die Kuchenträgerplatte 3 fällt.The cylinder head piece of in Fig. 1a ) substantially comprises a vertical pressure plate 10 and a connected thereto and horizontally aligned closure plate 11. Die Presskuchenabdeckung 12, which in Fig. 1a ) is shown in a raised position, so that the stop wall 4 can be driven under this, is arranged above the carriage 1 and extends horizontally to the cake carrier plate 3. It can be seen that in the area between the pressure plate 10 shown here in a reset position Hydraulic cylinder 8, the stop wall 10 and below the chute 6, the bulk coal 7 falls on the cake carrier plate 3.

In Fig. 1b) sind die Hydraulikzylinder 8 teilweise aufgefahren, so dass die Verschlussplatte 11 den Auslass der Schüttrinne 6 teilweise verschließt. Weiterhin ist ein Bereich 13a direkt vor der Druckplatte zu erkennen, welcher durch eine einfache Schraffur kenntlich gemacht wurde, in welcher vorgepresste Schüttkohle eingeschlossen ist. Der durch mehrfache Pressvorgänge bereits entstandene Kohlepresskuchen 13 wird zwischen Anschlagwand 4, Presskuchenabdeckung 12 und der Druckplatte 10 des Hydraulikzylinders 8 geformt. Die Richtung der Anpresskraft der Presskuchenabdeckung 12 ist als Pfeil 17 angedeutet.In Fig. 1b ), the hydraulic cylinders 8 are partially raised, so that the closure plate 11, the outlet of the chute 6 partially closes. Furthermore, a region 13a can be seen directly in front of the printing plate, which was identified by a simple hatching, in which pre-pressed loose coal is included. The already formed by multiple pressing operations coal press cake 13 is formed between the stop wall 4, press cake cover 12 and the pressure plate 10 of the hydraulic cylinder 8. The direction of the contact pressure of the press cake cover 12 is indicated as arrow 17.

Zur Aufbringung der Presskraft gegen die Anschlagwand 4 muss der Wagen 1 gebremst werden. Die Richtung der Bremskraft ist durch den Pfeil 14 angedeutet, die konkrete Bremsvorrichtung ist nicht dargestellt und kann in einer dem Fachmann bekannten Art und Weise beliebig ausgeformt sein. Der Wagen 1 ist in Fig. 1 b) bereits von der Ausgangsposition, welche durch die gestrichelte Positionslinie 15 dargestellt ist, entgegen der Richtung der Bremskraft und in Richtung der Vortriebsrichtung des Hydraulikzylinders 8, definiert verfahren worden.To apply the pressing force against the stop wall 4, the carriage 1 must be braked. The direction of the braking force is indicated by the arrow 14, the specific braking device is not shown and may be formed in any manner known in the art. The car 1 is in Fig. 1 b) has already been moved from the starting position, which is represented by the dashed position line 15, against the direction of the braking force and in the direction of the advancing direction of the hydraulic cylinder 8.

In Fig. 1c) ist der vollständig hergestellte Kohlepresskuchen 13 dargestellt, wobei der Wagen 1 ebenfalls in der Endposition angekommen ist. Die Kuchenträgerplatte 3 mit dem Kohlepresskuchen 13 ist Entnahme bereit.In Fig. 1c ) is the fully prepared carbon press cake 13, wherein the carriage 1 has also arrived in the end position. The cake carrier plate 3 with the coal press cake 13 is ready to take.

Fig. 2 zeigt die erfindungsgemäße Vorrichtung, wobei die Pressform als Wanne 16 ausgeformt ist und der Boden 2 im wesentlichen nicht mobil ist. Die nicht starr mit der Pressform verbundene Anschlagwand 4 wird analog der vorgenannten Vorrichtung gebremst, so dass der erforderliche Druck zur Herstellung des Kohlepresskuchens 13 erreicht wird. Der Kohlepresskuchen 13 wird auf der Kuchenträgerplatte 3 hergestellt und ebenfalls zwischen Anschlagwand 4, Presskuchenabdeckung 12 und der Druckplatte 10 des Hydraulikzylinders 8 geformt. Die Richtung der Anpresskraft der Presskuchenabdeckung 12 ist als Pfeil 17 angedeutet. Fig. 2 shows the device according to the invention, wherein the mold is formed as a trough 16 and the bottom 2 is substantially not mobile. The not rigidly connected to the mold stop wall 4 is braked analogously to the aforementioned device, so that the required pressure for the production of Kohlepresskuchens 13 is achieved. The coal press cake 13 is produced on the cake carrier plate 3 and also formed between the stop wall 4, press cake cover 12 and the pressure plate 10 of the hydraulic cylinder 8. The direction of the contact pressure of the press cake cover 12 is indicated as arrow 17.

Claims (21)

  1. Hydraulic pressing device for the production of compacted coal cake from bulk coal for use in a coke oven, the hydraulic pressing device consisting of at least one hydraulic plunger, a mould, a removable cake carrier plate (3) placed onto the bottom of the mould, a delivery chute arranged above the mould, characterised in that
    - the mould is in the form of a carriage (1) or cradle comprising side walls, a bottom (2) and a stop plate (4),
    - a delivery chute (6) is arranged above the cradle or carriage perpendicularly to its movement direction,
    - permanently fixed hydraulic cylinders (8) which move a cylinder head piece in a horizontal direction with the head piece, while moving forward, forcing the coal delivered by the delivery chute perpendicularly to the delivery chute forward under the delivery chute against the stop plate (4) and under a level pressed cake cover (12),
    - the carriage being braked by a force acting in the opposite direction to the pressing direction of the hydraulic cylinders,
    - and the pressed cake cover, which is arranged immediately adjacent to the delivery chute, the cylinder head piece and the delivery chute being aligned in parallel.
  2. Apparatus according to claim 1, characterised in that
    the cylinder head piece consists of a vertical pressure plate and a horizontal closure plate, the cylinder head piece not narrowing the outlet of the delivery chute in the rest position, the rest position being the first end position, and the closure plate of the cylinder head progressively narrowing the outlet of the delivery chute during the forward movement, and upon reaching the maximum stroke, i.e. the second end position, completely closing the delivery chute outlet.
  3. Apparatus according to any of claims 1 or 2 above, characterised in that
    the cylinder head piece is sub-divided perpendicularly to the forward movement direction into at least two sections.
  4. Apparatus according to any of claims 1 to 3 above, characterised in that
    the pressed cake cover only partly covers the press mould in the forward direction of the coal cake movement.
  5. Apparatus according to any of claims 1 to 4 above, characterised in that
    the height of the pressed cake cover is adjustable and can be lifted, especially for the purpose of coal cake removal.
  6. Apparatus according to any of claims 1 to 5 above, characterised in that the braking force of the carriage is variable.
  7. Apparatus according to any of claims 1 to 6 above, characterised in that bearing pressure of the pressed coal cake cover plate is variable.
  8. Apparatus according to claim 7, characterised in that
    the pressed cake cover plate is segmented in the direction of movement of the hydraulic cylinders, and the bearing pressure of each segment can be individually varied.
  9. Apparatus according to any of claims 1 to 8 above, characterised in that the hydraulic cylinder, delivery chute and pressed cake cover plate are arranged parallel to the narrow side of the carriage.
  10. Hydraulic pressing device for the production of compacted coal cake from bulk coal for use in a coke oven, the hydraulic pressing device consisting of at least one hydraulic plunger, a mould, a removable cake carrier plate (3) placed onto the bottom of the mould, a delivery chute (6) arranged above the mould, characterised in that
    - the mould is in the form of a flat trough (16) containing a movable stop plate (17),
    - a delivery chute (6) is arranged above and parallel to the stop plate (17),
    - permanently fixed hydraulic cylinders (8) which move a cylinder head piece in the horizontal direction with the head piece, while moving forward, forcing the coal delivered by the delivery chute perpendicularly to the delivery chute forward under the delivery chute against the stop plate and under a level pressed cake cover,
    - the stop plate (17) being braked by a force acting in the opposite direction to that of the hydraulic cylinders,
    - and the pressed cake cover (12), which is arranged immediately adjacent to the delivery chute, the cylinder head piece and the delivery chute being aligned in parallel.
  11. Apparatus according to claim 10, characterised in that
    the cylinder head piece consists of a vertical pressure plate and a horizontal closure plate, the cylinder head piece not narrowing the outlet of the delivery chute in the rest position, the rest position being the first end position, and the closure plate of the cylinder head progressively narrowing the outlet of the delivery chute during the forward movement, and upon reaching the maximum stroke, i.e. the second end position, completely closing the delivery chute outlet.
  12. Apparatus according to any of claims 10 or 11 above, characterised in that the cylinder head piece is sub-divided perpendicularly to the forward movement direction into at least two sections.
  13. Apparatus according to any of claims 10 to 12 above, characterised in that the pressed cake cover only partly covers the trough in the forward direction of the coal cake movement.
  14. Apparatus according to any of claims 10 to 13 above, characterised in that the height of the pressed cake cover is adjustable and can be lifted, especially for the purpose of coal cake removal.
  15. Apparatus according to any of claims 10 to 14 above, characterised in that the braking force of the stop plate is variable.
  16. Apparatus according to any of claims 10 to 15 above, characterised in that bearing pressure of the pressed coal cake cover plate is variable.
  17. Apparatus according to claim 16 above, characterised in that the pressed cake cover plate is segmented in the direction of movement of the hydraulic cylinders, and the bearing pressure of each segment can be individually varied.
  18. Apparatus according to any of claims 10 to 17 above, characterised in that the hydraulic cylinder, delivery chute and pressed cake cover plate are arranged parallel to the narrow side of the trough.
  19. Process for the production of coal cake using the apparatus according to any of claims 1 to 9, characterised in that
    the coal cake is formed in a plurality of horizontal pressing steps and the bulk coal is compacted to a density which is 60% greater than the original density.
  20. Process for the production of coal cake using the apparatus according to any of claims 10 to 18, characterised in that
    the coal cake is formed in a plurality of horizontal pressing steps and the bulk coal is compacted to a density which is 60% greater than the original density.
  21. Process for the production of coal cake using the apparatus according to any of claims 19 or 20, characterised in that
    the length of the horizontal stroke of the hydraulic cylinder is fixed and invariable.
EP05801897A 2004-11-23 2005-10-27 Process and device for producing horizontally tamped coal cakes Not-in-force EP1814962B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004056564A DE102004056564A1 (en) 2004-11-23 2004-11-23 Apparatus and method for the horizontal production of coal cake
PCT/EP2005/011493 WO2006056286A1 (en) 2004-11-23 2005-10-27 Process and device for producing horizontally tamped coal cakes

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EP1814962A1 EP1814962A1 (en) 2007-08-08
EP1814962B1 true EP1814962B1 (en) 2010-12-15

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US (1) US7815829B2 (en)
EP (1) EP1814962B1 (en)
JP (1) JP4872114B2 (en)
KR (1) KR101225427B1 (en)
CN (1) CN101065463B (en)
AT (1) ATE491770T1 (en)
AU (1) AU2005309081B2 (en)
BR (1) BRPI0518469B1 (en)
DE (2) DE102004056564A1 (en)
HK (1) HK1110623A1 (en)
RU (1) RU2391380C2 (en)
UA (1) UA86478C2 (en)
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RU2391380C2 (en) 2010-06-10
US7815829B2 (en) 2010-10-19
JP2008520774A (en) 2008-06-19
RU2007123583A (en) 2008-12-27
CN101065463A (en) 2007-10-31
ZA200703918B (en) 2008-10-29
ATE491770T1 (en) 2011-01-15
UA86478C2 (en) 2009-04-27
KR101225427B1 (en) 2013-01-22
BRPI0518469A2 (en) 2008-11-18
BRPI0518469B1 (en) 2014-11-25
DE102004056564A1 (en) 2006-06-01
DE502005010697D1 (en) 2011-01-27
CN101065463B (en) 2010-09-01
US20080087538A1 (en) 2008-04-17
AU2005309081A1 (en) 2006-06-01
HK1110623A1 (en) 2008-07-18
EP1814962A1 (en) 2007-08-08
WO2006056286A1 (en) 2006-06-01
AU2005309081B2 (en) 2009-12-10
JP4872114B2 (en) 2012-02-08
KR20070085362A (en) 2007-08-27

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