EP1322723A1 - Levelling device with an adjustable width - Google Patents

Levelling device with an adjustable width

Info

Publication number
EP1322723A1
EP1322723A1 EP01962808A EP01962808A EP1322723A1 EP 1322723 A1 EP1322723 A1 EP 1322723A1 EP 01962808 A EP01962808 A EP 01962808A EP 01962808 A EP01962808 A EP 01962808A EP 1322723 A1 EP1322723 A1 EP 1322723A1
Authority
EP
European Patent Office
Prior art keywords
leveling
rod
coking chamber
blade
wings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01962808A
Other languages
German (de)
French (fr)
Other versions
EP1322723B1 (en
Inventor
Franz-Josef Schücker
Claus-Jürgen BAST
Rolf Weiershausen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp EnCoke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp EnCoke GmbH filed Critical ThyssenKrupp EnCoke GmbH
Publication of EP1322723A1 publication Critical patent/EP1322723A1/en
Application granted granted Critical
Publication of EP1322723B1 publication Critical patent/EP1322723B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C10B37/00—Mechanical treatments of coal charges in the oven
    • C10B37/02—Levelling charges, e.g. with bars

Definitions

  • the invention relates to a device for leveling the coal filled in the coking chamber of a coke oven with a leveling rod connected to a leveling drive, which can be moved in and out through a leveling opening in the coking chamber and executes a reciprocating leveling movement in the coking chamber.
  • a device of the structure described and the intended purpose described is known from DE-A 23 17 685.
  • the leveling rod is extended and retracted into a leveling opening in the furnace door, which for design reasons is significantly smaller than the width of the coking chamber. The consequence of this is that the pouring cones that form when the coke oven is filled from the top cannot be evenly leveled towards the chamber walls of the coking chamber.
  • a uniform bed height is required over the entire base area of the coking chambers.
  • the known leveling device is unable to fully meet the requirements.
  • the leveling rod is provided at its front end with a head which contains two sliding parts attached to articulated levers, which, with the aid of an actuating device, come from a rest position in which the sliding parts within the Lie head piece, can be pivoted into a working position by spreading.
  • the sliding parts consist of sliding shoes and rollers and slide in their working position on sloping belt sections.
  • the leveling rod receives a support at its front end, which lowers onto appropriately designed inclined surfaces which are provided in the gas collection space as soon as the leveling rod bends.
  • the leveling bar is suitable for particularly long coking chambers.
  • the headpiece makes no contribution to the even leveling of the coal.
  • the invention is based on the object of specifying a leveling device with which pouring cones in the coking chamber can be leveled very uniformly up to the chamber walls.
  • the invention teaches that the leveling rod has a clearing blade at its front end, the span of which can be adjusted by an actuating device arranged in the leveling rod.
  • the maximum span preferably corresponds approximately to the chamber width of the coking chamber.
  • the clearing blade consists of two wings pivotably arranged at the front end of the leveling rod, which are moved in through the leveling opening on the pia- the plunger bear against the plow and can be folded out in the coking chamber by an actuating movement of the actuating device.
  • the wings are each articulated with a lever to an actuating rod, which, for. B. axially slidably mounted on idlers and connected at its rear end to an actuator.
  • the actuating device can consist of a hydraulic cylinder / piston arrangement.
  • the wings are turned in a plow shape. This enables the arrangement to pass through the leveling opening, which is considerably narrower than the width of the coking chamber.
  • the basic position of the clearing blade is maintained during the forward travel of the leveling bar.
  • the inwardly pivoted and plow-shaped blades convey the coal away from the center of the chamber towards the side of the furnace walls as the leveling bar moves forward in the coking chamber.
  • the adjusting rod is extended, the wings being pivoted forward via the lever arrangement until the outer surface of the spread-out dozer blade is aligned essentially parallel to the furnace wall opposite the leveling opening.
  • the broadening of the clearing area increases. Furthermore, coal is distributed into the corner areas of the coking chamber by the pivoting movement of the wings.
  • the inner surfaces of the dozer blade are at an acute angle to the outer surface of the dozer blade. assigns. The apex of the angle is located at the outer end of the dozer blade and is selected so that coal is displaced from the exhibited dozer blade to the side of the furnace when the dozer blade moves backwards. During the backward leveling movement of the leveling bar, the blades of the dozer blade are swung out and the dozer blade has its greatest span.
  • the described profiling of the wings creates a plow-shaped clearing profile which conveys coal, which still forms cones of material on the edges of the already leveled surface, to the side furnace walls of the coking chamber.
  • the return of the leveling bar is only stopped shortly before reaching the oven door. This ensures that the coal fill is leveled evenly into the corner areas of the coking chamber.
  • the leveling bar is then moved in the forward direction until the blades of the dozer blade can be swung back. After the dozer blade has assumed its basic position and the wings rest in plow shape on the leveling rod, the leveling rod is removed from the
  • the coking chamber is pulled out and the leveling process is finished.
  • Fig. 1 shows a horizontal section through the coking chamber of a coke oven with a device shown in plan view for leveling the coal filled in the coking chamber
  • Fig. 1 shown leveling device.
  • the leveling device shown in FIG. 1 has a leveling rod 2 connected to a leveling drive 1, which can be moved into and out of the coking chamber 4 of a coke oven through a leveling opening 3 and executes a reciprocating leveling movement in the coking chamber 4.
  • a clearing blade 5 is arranged at the front end of the leveling rod 2, the span of which can be adjusted by an actuating device 6 arranged in the leveling rod 2.
  • the clearing blade 5 consists of two wings 7, 7 'which are pivotally arranged at the front end of the leveling rod 2 and which plow-shaped against the leveling rod 2 during the entry and exit movement through the leveling opening 3 and in the coking chamber 4 by an actuating movement of the actuating device 6 in the position shown with dash-dotted lines can be folded out.
  • the wings 7, 7 ' are each articulated with a lever 8 to an actuating rod 9 which is axially displaceably mounted in the leveling rod 2 and is connected at its rear end to an actuating device 10.
  • the positioning rod 9 is mounted on support rollers 11, which are only indicated in FIG. 1.
  • the adjusting device 10 in the exemplary embodiment consists of a hydraulic cylinder arranged in the leveling rod.
  • the wings 7, 7 ' can be swiveled forward from the basic position shown in solid lines in FIG. 1 by an adjusting movement of the adjusting rod 9 until the outer surface 12 of the clearing blade 5 is essentially parallel to that of the leveling opening 3 opposite furnace wall is aligned.
  • the clearing blade 5 has its largest span in this position.
  • the inner surfaces 13 of the dozer blade are arranged at an acute angle ⁇ to the outer surface of the dozer blade.
  • the apex of the angle ⁇ is in each case at the outer end of the clearing blade 5 and is selected such that coal is displaced from the exposed clearing blade 5 to the side furnace walls when the leveling bar 2 moves backward.
  • the coking chamber 4 shows the coking chamber 4 filled with coal from the viewing direction of the furnace door 14.
  • the leveling opening 3 in the furnace door 14 is for constructional reasons much narrower than the width of the coking chamber 4.
  • the coke oven is based on the principle of flat-bed coking with a flat chamber operated.
  • the coking chamber is filled through filling holes 15 in the furnace roof. Fills with pronounced cones 16 form underneath the filling holes.
  • Flat-bed coking requires a uniform bed height over the entire base area of the coking chamber, so that the need for
  • the section A-A shown in FIG. 3 from FIG. 1 shows the clearing blade 5 during the forward movement of the leveling rod 2.
  • the wings 7, 7 'of the clearing blade 5 are pivoted inward in the shape of a plow. In this basic position, the clearing blade 5 can be moved into the coking chamber 4 through the leveling opening 3. The basic position is maintained during the forward movement.
  • the blades 7, 7 ', which are plow-shaped, convey the coal away from the center of the chamber towards the side walls during forward travel. Smaller cones 17 remain on both sides of the leveled surface, which are eliminated when the leveling rod 2 moves back later.
  • the leveling rod 2 is up to the end of the coking chamber
  • the section BB shown in FIG. 4 from FIG. 1 shows the clearing blade 5 with the wings 7, 7 'pivoted out.
  • the dozer blade 5 remains in this position when the leveling rod 2 moves backwards.
  • a plow-shaped clearing profile is generated, which conveys the remaining coal to the side walls of the coking chamber 4 when the leveling rod 2 is moved back. 4 shows the leveling process during this backward movement.
  • the return of the clearing blade 5 is only stopped shortly before the furnace door 14 is reached.
  • the leveling rod 2 is then advanced so far with a forward movement that the wings 7, 7 'can be pivoted back into the basic position. After the wings 7, 7 'have been pivoted in, the leveling rod 2 is pulled out of the leveling opening 3.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Coke Industry (AREA)
  • Road Paving Machines (AREA)
  • Soil Working Implements (AREA)
  • Stringed Musical Instruments (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Paper (AREA)

Abstract

The device relates to a device for leveling the coal filled in the retort of a coke oven, comprising a leveler bar ( 2 ) connected with a leveler bar drive ( 1 ) that can be moved into and out of the retort ( 4 ) through a leveling opening ( 3 ), and performs a leveling movement back and forth in the retort ( 4 ). According to the invention, the leveler bar ( 2 ) has a rake blade ( 5 ) on its front end with a width that can be adjusted by an operating device ( 6 ) arranged in the leveler bar ( 2 ).

Description

Planiervorrichtung leveling
Beschreibung :Description :
Die Erfindung betrifft eine Vorrichtung zum Planieren der in die Verkokungskammer eines Koksofens eingefüllten Kohle mit einer an einen Planierantrieb angeschlossenen Planierstange, die durch eine Planieröffnung in die Verkokungs- kammer ein- und ausfahrbar ist und in der Verkokungskammer eine hin- und hergehende Planierbewegung ausführt.The invention relates to a device for leveling the coal filled in the coking chamber of a coke oven with a leveling rod connected to a leveling drive, which can be moved in and out through a leveling opening in the coking chamber and executes a reciprocating leveling movement in the coking chamber.
Eine Vorrichtung des beschriebenen Aufbaus und der beschriebenen Zweckbestimmung ist aus DE-A 23 17 685 bekannt. Die Planierstange wird in eine Planieröffnung der Ofentür ein- und ausgefahren, die aus konstruktiven Gründen deut- lieh schmaler ist als die Breite der Verkokungskammer. Das hat zur Folge, dass die sich bei einer oberseitigen Befül- lung des Koksofens bildenden Schüttkegel zu den Kammerwänden der Verkokungskammer hin nicht gleichmäßig eingeebnet werden können. Bei einer Verkokung in Non-Recovery- Koksöfen, die mit einem flachen Kammerbesatz nach dem Verfahren der Flachbettverkokung betrieben werden, ist eine gleichmäßige Schütthöhe über die gesamte Grundfläche der Verkokungskämmer erforderlich. Die bekannte Planiervorrichtung vermag die gestellten Anforderungen nicht in vollem Umfang zu erfüllen.A device of the structure described and the intended purpose described is known from DE-A 23 17 685. The leveling rod is extended and retracted into a leveling opening in the furnace door, which for design reasons is significantly smaller than the width of the coking chamber. The consequence of this is that the pouring cones that form when the coke oven is filled from the top cannot be evenly leveled towards the chamber walls of the coking chamber. In the case of coking in non-recovery coke ovens which are operated with a flat chamber stocking according to the flat-bed coking process, a uniform bed height is required over the entire base area of the coking chambers. The known leveling device is unable to fully meet the requirements.
Bei einer aus DE-A 32 45 552 bekannten Planiervorrichtung ist die Planierstange an ihrem vorderen Ende mit einem Kopf versehen, der zwei an Gelenkhebeln angebrachte Gleitteile enthält, die mit Hilfe einer Betätigungseinrichtung aus einer Ruhestellung, in der die Gleitteile innerhalb des Kopfstückes liegen, durch Spreizen in eine Arbeitsstellung verschwenkbar sind. Die Gleitteile bestehen aus Gleitschuhen und -rollen und gleiten in ihrer Arbeitsstellung auf schräg verlaufenden Bandabschnitten. Dadurch erhält die Planierstange an ihrem vorderen Ende eine Abstützung, die sich auf entsprechend ausgebildete Schrägflächen, die im Gassammeiraum vorgesehen sind, absenkt, sobald die Planierstange sich durchbiegt. Die Planierstange ist für besonders lange Verkokungskammern geeignet. Das Kopfstück leistet zum gleichmäßigen Einebnen der Kohle keinen Beitrag.In a leveling device known from DE-A 32 45 552, the leveling rod is provided at its front end with a head which contains two sliding parts attached to articulated levers, which, with the aid of an actuating device, come from a rest position in which the sliding parts within the Lie head piece, can be pivoted into a working position by spreading. The sliding parts consist of sliding shoes and rollers and slide in their working position on sloping belt sections. As a result, the leveling rod receives a support at its front end, which lowers onto appropriately designed inclined surfaces which are provided in the gas collection space as soon as the leveling rod bends. The leveling bar is suitable for particularly long coking chambers. The headpiece makes no contribution to the even leveling of the coal.
Der Erfindung liegt die Aufgabe zugrunde, eine Planiervorrichtung anzugeben, mit der Schüttkegel in der Verkokungskammer sehr gleichmäßig bis zu den Kammerwänden hin einge- ebnet werden können.The invention is based on the object of specifying a leveling device with which pouring cones in the coking chamber can be leveled very uniformly up to the chamber walls.
Zur Lösung dieser Aufgabe lehrt die Erfindung, dass die Planierstange an ihrem vorderen Ende ein Räumschild aufweist, dessen Spannbreite durch eine in der Planierstange angeordnete Betätigungseinrichtung verstellbar ist. Die maximale Spannbreite entspricht vorzugsweise in etwa der Kammerbreite der Verkokungskammer. Mittels der Betätigungseinrichtung kann die wirksame Räumfläche erheblich verbreitert werden, nachdem die Planierstange in die Verkokungs- kammer eingefahren ist. Dies erlaubt ein effektives Arbeiten und gleichmäßiges Planieren.To achieve this object, the invention teaches that the leveling rod has a clearing blade at its front end, the span of which can be adjusted by an actuating device arranged in the leveling rod. The maximum span preferably corresponds approximately to the chamber width of the coking chamber. By means of the actuating device, the effective clearing surface can be widened considerably after the leveling rod has been moved into the coking chamber. This enables effective work and even leveling.
Gemäß einer bevorzugten konstruktiven Ausgestaltung besteht das Räumschild aus zwei an dem vorderen Ende der Planier- stange schwenkbar angeordneten Flügeln, die bei der Ein- und Ausfahrbewegung durch die Planieröffnung an der Pia- nierstange pflugförmig anliegen und in der Verkokungskammer durch eine Stellbewegung der Betätigungseinrichtung ausklappbar sind. Die Flügel sind jeweils mit einem Hebel gelenkig an eine Stellstange angeschlossen, die in der Planierstange z. B. an Tragrollen axial verschiebbar gelagert und an ihrem rückwärtigen Ende an eine Stelleinrichtung angeschlossen ist . Die Stelleinrichtung kann aus einer hydraulischen Zylinder/Kolbenanordnung bestehen.According to a preferred constructional design, the clearing blade consists of two wings pivotably arranged at the front end of the leveling rod, which are moved in through the leveling opening on the pia- the plunger bear against the plow and can be folded out in the coking chamber by an actuating movement of the actuating device. The wings are each articulated with a lever to an actuating rod, which, for. B. axially slidably mounted on idlers and connected at its rear end to an actuator. The actuating device can consist of a hydraulic cylinder / piston arrangement.
In der Grundstellung sind die Flügel pflugförmig nach innen geschwenkt. Das ermöglicht den Durchtritt der Anordnung durch die im Vergleich zur Breite der Verkokungskammer wesentlich schmalere Planieröffnung. Während der Vorwärtsfahrt der Planierstange wird die Grundstellung des Räum- Schildes beibehalten. Die nach innen geschwenkten und pflugförmig ausgerichteten Flügel fördern während der Vorwärtsfahrt der Planierstange in der Verkokungskammer die Kohle von der Kammermitte weg in Richtung der seitlichen Ofenwände. Nachdem die Planierstange bis zum Ende der Ver- kokungskammer durchgefahren ist, wird die Stellstange ausgefahren, wobei die Flügel über die Hebelanordnung soweit vorgeschwenkt werden, bis die Außenfläche des aufgespreizten Räumschildes im Wesentlichen parallel zu der der Planieröffnung gegenüberliegenden Ofenwand ausgerichtet ist. Dabei verbreitert sich die Räumfläche. Ferner wird durch die Schwenkbewegung der Flügel Kohle in die Eckbereiche der Verkokungskammer verteilt .In the basic position, the wings are turned in a plow shape. This enables the arrangement to pass through the leveling opening, which is considerably narrower than the width of the coking chamber. The basic position of the clearing blade is maintained during the forward travel of the leveling bar. The inwardly pivoted and plow-shaped blades convey the coal away from the center of the chamber towards the side of the furnace walls as the leveling bar moves forward in the coking chamber. After the leveling rod has passed through to the end of the coking chamber, the adjusting rod is extended, the wings being pivoted forward via the lever arrangement until the outer surface of the spread-out dozer blade is aligned essentially parallel to the furnace wall opposite the leveling opening. The broadening of the clearing area increases. Furthermore, coal is distributed into the corner areas of the coking chamber by the pivoting movement of the wings.
Die Innenflächen des Räumschildes sind gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung zu der Außenfläche des Räumschildes unter einem spitzen Winkel ange- ordnet. Dabei befindet sich der Scheitelpunkt des Winkels jeweils am äußeren Ende des Räumschildes und ist so gewählt, dass Kohle bei einer Rückwärtsbewegung der Planierstange von dem ausgestellten Räumschild zu seitlichen Ofenwänden verdrängt wird. Während der rückwärts gerichteten Planierbewegung der Planierstange sind die Flügel des Räumschildes ausgeschwenkt und hat das Räumschild seine größte Spannbreite. Durch die beschriebene Profilierung der Flügel wird ein pflugfδrmiges Räumprofil erzeugt, das Kohle, die an den Rändern der bereits eingeebneten Fläche noch Schüttkegel bilden, zu den seitlichen Ofenwänden der Verkokungskammer hin fördert . Die Rückfahrt der Planierstange wird erst kurz vor Erreichen der Ofentür gestoppt . Dadurch wird erreicht, dass die Kohleschüttung bis in die Eckbereiche der Verkokungskammer gleichmäßig eingeebnet wird. Anschließend wird die Planierstange in Vorwärtsrichtung soweit bewegt, dass die Flügel des Räumschildes zurückgeschwenkt werden können. Nachdem das Räumschild seine Grundstellung eingenommen hat und die Flügel pflugförmig an der Planierstange anliegen, wird die Planierstange aus derAccording to a further advantageous embodiment of the invention, the inner surfaces of the dozer blade are at an acute angle to the outer surface of the dozer blade. assigns. The apex of the angle is located at the outer end of the dozer blade and is selected so that coal is displaced from the exhibited dozer blade to the side of the furnace when the dozer blade moves backwards. During the backward leveling movement of the leveling bar, the blades of the dozer blade are swung out and the dozer blade has its greatest span. The described profiling of the wings creates a plow-shaped clearing profile which conveys coal, which still forms cones of material on the edges of the already leveled surface, to the side furnace walls of the coking chamber. The return of the leveling bar is only stopped shortly before reaching the oven door. This ensures that the coal fill is leveled evenly into the corner areas of the coking chamber. The leveling bar is then moved in the forward direction until the blades of the dozer blade can be swung back. After the dozer blade has assumed its basic position and the wings rest in plow shape on the leveling rod, the leveling rod is removed from the
Verkokungskammer herausgefahren und ist der Planiervorgang beendet .The coking chamber is pulled out and the leveling process is finished.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel' darstellenden Zeichnung erläutert. Es zeigen schematisch:In the following the invention is explained using a just one exemplary embodiment 'illustrated in the drawings. They show schematically:
Fig. 1 einen Horizontalschnitt durch die Verkokungskammer eines Koksofens mit einer in der Draufsicht dargestellten Vorrichtung zum Planieren der in die Verkokungskammer eingefüllten Kohle,Fig. 1 shows a horizontal section through the coking chamber of a coke oven with a device shown in plan view for leveling the coal filled in the coking chamber,
Fig. 2 die mit Kohle befüllte Verkokungskammer vor dem Planiervorgang,2 shows the coking chamber filled with coal before the leveling process,
Fig. 3 und 4 den Planiervorgang unter Verwendung der in3 and 4 the leveling process using the in
Fig. 1 dargestellten Planiervorrichtung.Fig. 1 shown leveling device.
Die in Fig. 1 dargestellte Planiervorrichtung weist eine an einen Planierantrieb 1 angeschlossene Planierstange 2 auf, die durch eine Planieröffnung 3 in die Verkokungskammer 4 eines Koksofens ein- und ausfahrbar ist und in der Verkokungskammer 4 eine hin- und hergehende Planierbewegung ausführt . Am vorderen Ende der Planierstange 2 ist ein Räumschild 5 angeordnet, dessen Spannbreite durch eine in der Planierstange 2 angeordnete Betätigungseinrichtung 6 verstellbar ist. Das Räumschild 5 besteht aus zwei an dem vorderen Ende der Planierstange 2 schwenkbar angeordneten Flügeln 7, 7', die bei der Ein- und Ausfahrbewegung durch die Planieröffnung 3 an der Planierstange 2 pflugförmig anliegen und in der Verkokungskammer 4 durch eine Stellbewegung der Betätigungseinrichtung 6 in die mit strichpunktierten Linien dargestellte Position ausklappbar sind. Die Flügel 7, 7' sind jeweils mit einem Hebel 8 gelenkig an eine Stellstange 9 angeschlossen, die in der Planierstange 2 axial verschiebbar gelagert und an ihrem rückwärtigen Ende an eine Stelleinrichtung 10 angeschlossen ist. Die Lagerung der Stellstange 9 erfolgt an in Fig. 1 lediglich angedeuteten Tragrollen 11. Die Stelleinrichtung 10 besteht im Ausführungsbeispiel aus einem in der Planierstange angeordneten Hydraulikzylinder.The leveling device shown in FIG. 1 has a leveling rod 2 connected to a leveling drive 1, which can be moved into and out of the coking chamber 4 of a coke oven through a leveling opening 3 and executes a reciprocating leveling movement in the coking chamber 4. A clearing blade 5 is arranged at the front end of the leveling rod 2, the span of which can be adjusted by an actuating device 6 arranged in the leveling rod 2. The clearing blade 5 consists of two wings 7, 7 'which are pivotally arranged at the front end of the leveling rod 2 and which plow-shaped against the leveling rod 2 during the entry and exit movement through the leveling opening 3 and in the coking chamber 4 by an actuating movement of the actuating device 6 in the position shown with dash-dotted lines can be folded out. The wings 7, 7 'are each articulated with a lever 8 to an actuating rod 9 which is axially displaceably mounted in the leveling rod 2 and is connected at its rear end to an actuating device 10. The positioning rod 9 is mounted on support rollers 11, which are only indicated in FIG. 1. The adjusting device 10 in the exemplary embodiment consists of a hydraulic cylinder arranged in the leveling rod.
Der Fig. 1 entnimmt man, dass die Flügel 7, 7' aus der in Fig. 1 mit durchgezogenen Linien dargestellten Grundstellung durch eine Stellbewegung der Stellstange 9 soweit vorgeschwenkt werden können, bis die Außenfläche 12 des Räumschildes 5 im Wesentlichen parallel zu der der Planieröffnung 3 gegenüberliegenden Ofenwand ausgerichtet ist. Das Räumschild 5 besitzt in dieser Position seine größte Spannbreite. Ferner entnimmt man der Darstellung in Fig. 1, dass die Innenflächen 13 des Räumschildes zu der Außenfläche des Räumschildes unter einem spitzen Winkel α angeordnet sind. Der Scheitelpunkt des Winkels α befindet sich jeweils am äußeren Ende des Räumschildes 5 und ist so gewählt, dass Kohle bei einer Rückwärtsbewegung der Planierstange 2 von dem ausgestellten Räumschild 5 zu den seitlichen Ofenwänden verdrängt wird.1 that the wings 7, 7 'can be swiveled forward from the basic position shown in solid lines in FIG. 1 by an adjusting movement of the adjusting rod 9 until the outer surface 12 of the clearing blade 5 is essentially parallel to that of the leveling opening 3 opposite furnace wall is aligned. The clearing blade 5 has its largest span in this position. Furthermore, it can be seen from the illustration in FIG. 1 that the inner surfaces 13 of the dozer blade are arranged at an acute angle α to the outer surface of the dozer blade. The apex of the angle α is in each case at the outer end of the clearing blade 5 and is selected such that coal is displaced from the exposed clearing blade 5 to the side furnace walls when the leveling bar 2 moves backward.
Die Fig. 2 zeigt die mit Kohle gefüllte Verkokungskammer 4 aus der Blickrichtung der Ofentür 14. Die Planierδffnung 3 in der Ofentür 14 ist aus konstruktiven Gründen wesentlich schmaler als die Breite der Verkokungskammer 4. Der Koksofen wird nach dem Prinzip der Flachbettverkokung mit einem flachen Kammerbesatz betrieben. Die Befüllung der Verkokungskammer erfolgt durch Fülllöcher 15 in der Ofendecke. Unterhalb der Fülllöcher bilden sich Schüttungen mit ausgeprägten Kegeln 16. Die Flachbettverkokung erfordert eine über die gesamte Grundfläche der Verkokungskammer gleich- mäßige Schütthöhe, so dass sich die Notwendigkeit des2 shows the coking chamber 4 filled with coal from the viewing direction of the furnace door 14. The leveling opening 3 in the furnace door 14 is for constructional reasons much narrower than the width of the coking chamber 4. The coke oven is based on the principle of flat-bed coking with a flat chamber operated. The coking chamber is filled through filling holes 15 in the furnace roof. Fills with pronounced cones 16 form underneath the filling holes. Flat-bed coking requires a uniform bed height over the entire base area of the coking chamber, so that the need for
Pianierens ergibt. In den Fig. 3 und 4 ist der Planiervor- gang unter Verwendung der in Fig. 1 dargestellten Vorrichtung dargestellt.Pianierens results. 3 and 4, the leveling is Gang shown using the device shown in Fig. 1.
Der in Fig. 3 dargestellte Schnitt A-A aus Fig. 1 zeigt das Räumschild 5 während der Vorwärtsbewegung der Planierstange 2. Die Flügel 7, 7' des Räumschildes 5 sind pflugförmig nach innen geschwenkt. In dieser Grundstellung ist das Räumschild 5 durch die Planieröffnung 3 in die Verkokungs- kammer 4 einfahrbar. Die Grundstellung wird während der Vorwärtsbewegung beibehalten. Dabei fördern die pflugförmig angestellten Flügel 7, 7' während der Vorwärtsfahrt die Kohle von der Kammermitte weg in Richtung Seitenwände. Beidseits der eingeebneten Fläche verbleiben noch kleinere Schüttkegel 17, die bei einer später folgenden Rückwärts- fahrt der Planierstange 2 beseitigt werden.The section A-A shown in FIG. 3 from FIG. 1 shows the clearing blade 5 during the forward movement of the leveling rod 2. The wings 7, 7 'of the clearing blade 5 are pivoted inward in the shape of a plow. In this basic position, the clearing blade 5 can be moved into the coking chamber 4 through the leveling opening 3. The basic position is maintained during the forward movement. The blades 7, 7 ', which are plow-shaped, convey the coal away from the center of the chamber towards the side walls during forward travel. Smaller cones 17 remain on both sides of the leveled surface, which are eliminated when the leveling rod 2 moves back later.
Die Planierstange 2 wird bis zum Ende der VerkokungskammerThe leveling rod 2 is up to the end of the coking chamber
4 durchgefahren. Nachdem die Planierstange 2 im Anschluss an die Vorwärtsfahrt ihre Endposition erreicht hat, werden die das Räumschild 5 bildenden Flügel 7, 7' mittels der Betätigungseinrichtung 6 ausgeschwenkt und in die in Fig. 1 durch strichpunktierte Linie dargestellte Position bewegt. In dieser Position ist die Außenfläche 12 des Räumschildes4 completed. After the leveling rod 2 has reached its end position following the forward drive, the blades 7, 7 'forming the clearing blade 5 are pivoted out by means of the actuating device 6 and moved into the position shown by the broken line in FIG. 1. The outer surface 12 of the dozer blade is in this position
5 im Wesentlichen parallel zu der der Planieröffnung 3 ge- genüberllegenden Ofenwand ausgerichtet. Durch die Schwenkbewegung der Flügel 7, 7' verbreitert sich die Räumfläche und wird außerdem Kohle in die Eckbereiche der Verkokungs- kam er 4 verteilt.5 is aligned essentially parallel to the furnace wall opposite the leveling opening 3. The swiveling movement of the wings 7, 7 'widens the broaching area and coal is also distributed in the corner areas of the coking 4.
Der in Fig. 4 dargestellte Schnitt B-B aus Fig. 1 zeigt das Räumschild 5 mit ausgeschwenkten Flügeln 7, 7'. Bei der Rückwärtsfahrt der Planierstange 2 bleibt das Räumschild 5 in dieser Position. Durch die Profilierung der Flügel 7, 7' an ihrer innenseitigen Fläche wird ein pflugförmiges Räumprofil erzeugt, das beim Zurückfahren der Planierstange 2 die restliche Kohle zu den Seitenwänden der Verkokungs- kammer 4 hinfördert. Die Fig. 4 zeigt den Planiervorgang während dieser Rückwärtsbewegung. Um sicherzustellen, dass die Kohleschüttung auch in den vorderen Eckbereichen der Verkokungskammer 4 gleichmäßig eingeebnet wird, wird die Rückfahrt des Räumschildes 5 erst kurz vor Erreichen der Ofentür 14 gestoppt. Anschließend wird die Planierstange 2 mit einer Vorwärtsbewegung soweit vorgefahren, dass die Flügel 7, 7' in die Grundstellung zurückgeschwenkt werden können. Nach dem Einschwenken der Flügel 7, 7' wird die Planierstange 2 aus der Planieröffnung 3 herausgezogen. The section BB shown in FIG. 4 from FIG. 1 shows the clearing blade 5 with the wings 7, 7 'pivoted out. In the The dozer blade 5 remains in this position when the leveling rod 2 moves backwards. By profiling the wings 7, 7 'on their inside surface, a plow-shaped clearing profile is generated, which conveys the remaining coal to the side walls of the coking chamber 4 when the leveling rod 2 is moved back. 4 shows the leveling process during this backward movement. In order to ensure that the coal fill is evenly leveled in the front corner areas of the coking chamber 4, the return of the clearing blade 5 is only stopped shortly before the furnace door 14 is reached. The leveling rod 2 is then advanced so far with a forward movement that the wings 7, 7 'can be pivoted back into the basic position. After the wings 7, 7 'have been pivoted in, the leveling rod 2 is pulled out of the leveling opening 3.

Claims

Patentansprüche : Claims:
1. Vorrichtung zum Planieren der in die Verkokungskammer eines Koksofens eingefüllten Kohle mit einer an einen Planierantrieb (1) angeschlossenen Planierstange (2) , die durch eine Planieröffnung (3) in die Verkokungskammer (4) ein- und ausfahrbar ist und in der Verkokungskammer (4) eine hin- und hergehende Planierbewegung ausführt, d a- d u r c h g e k e n n z e i c h n e t, dass die Planierstange (2) an ihrem vorderen Ende ein Räumschild (5) aufweist, dessen Spannbreite durch eine in der Planierstange (2) angeordnete Betätigungseinrichtung (6) verstellbar ist.1.Device for leveling the coal filled in the coking chamber of a coke oven with a leveling rod (2) connected to a leveling drive (1), which can be moved in and out through a leveling opening (3) into the coking chamber (4) and in the coking chamber ( 4) performs a back and forth leveling movement, d a- characterized in that the leveling rod (2) has at its front end a clearing blade (5), the span of which can be adjusted by an actuating device (6) arranged in the leveling rod (2).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Räumschild (5) aus zwei an dem vorderen Ende der Planierstange (2) schwenkbar angeordneten Flügeln (7, 7') besteht, die bei der Ein- und Ausfahrbewegung durch die Planieröffnung (3) an der Planierstange (2) pflugförmig an- liegen und in der Verkokungskammer (4) durch eine Stellbewegung der Betätigungseinrichtung (6) ausklappbar sind.2. Device according to claim 1, characterized in that the clearing blade (5) consists of two wings (7, 7 ') arranged pivotably on the front end of the leveling rod (2), which blades move through the leveling opening (3 ) lie on the leveling rod (2) in the shape of a plow and can be folded out in the coking chamber (4) by means of an actuating movement of the actuating device (6).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Flügel (7, 7') jeweils mit einem Hebel (8) ge- lenkig an eine Stellstange (9) angeschlossen sind, die in der Planierstange (2) axial verschiebbar gelagert und an ihrem rückwärtigen Ende an eine Stelleinrichtung (10) angeschlossen ist.3. Device according to claim 2, characterized in that the wings (7, 7 ') are each articulated with a lever (8) to an adjusting rod (9) which is axially displaceably mounted in the leveling rod (2) and on its rear end is connected to an actuating device (10).
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Außenfläche (12) des aufgespreiz- ten Räumschildes (5) im Wesentlichen parallel zu der der Planierδffnung (3) gegenüberliegenden Ofenwand ausgerichtet ist .4. Device according to one of claims 1 to 3, characterized in that the outer surface (12) of the spread th clearing blade (5) is aligned essentially parallel to the furnace wall opposite the leveling opening (3).
5. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Innenflächen (13) des Räumschildes (5) zu der Außenfläche (12) des Räumschildes (5) unter einem spitzen Winkel ( ) angeordnet sind, wobei der Scheitelpunkt des Winkels (α) sich jeweils am äußeren Ende des Räumschildes (5) befindet und wobei der Winkel ( ) so gewählt ist, dass Kohle bei einer Rückwärtsbewegung der Planierstange (2) von dem ausgestellten Räumschild (5) zu seitlichen Ofenwänden verdrängt wird. 5. Device according to one of claims 1 to 5, characterized in that the inner surfaces (13) of the dozer blade (5) to the outer surface (12) of the dozer blade (5) are arranged at an acute angle (), the apex of the angle (α) is located at the outer end of the dozer blade (5) and the angle () is chosen so that coal is displaced from the issued dozer blade (5) to the side of the furnace walls when the leveling bar (2) moves backwards.
EP01962808A 2000-09-20 2001-06-30 Levelling device with an adjustable width Expired - Lifetime EP1322723B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10046487 2000-09-20
DE10046487A DE10046487C2 (en) 2000-09-20 2000-09-20 Method and device for leveling coal in a coke oven
PCT/EP2001/007513 WO2002024833A1 (en) 2000-09-20 2001-06-30 Levelling device with an adjustable width

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EP1322723A1 true EP1322723A1 (en) 2003-07-02
EP1322723B1 EP1322723B1 (en) 2004-09-29

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EP (1) EP1322723B1 (en)
AT (1) ATE277988T1 (en)
AU (2) AU8391101A (en)
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DE (2) DE10046487C2 (en)
DK (1) DK1322723T3 (en)
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ES2228936T3 (en) 2005-04-16
WO2002024833A1 (en) 2002-03-28
CA2422456A1 (en) 2003-03-17
EP1322723B1 (en) 2004-09-29
PT1322723E (en) 2005-01-31
DE10046487A1 (en) 2002-04-04
AU2001283911B2 (en) 2005-08-18
AU8391101A (en) 2002-04-02
ATE277988T1 (en) 2004-10-15
DK1322723T3 (en) 2005-01-17
DE50103909D1 (en) 2004-11-04
US6964236B2 (en) 2005-11-15
US20040020413A1 (en) 2004-02-05
CA2422456C (en) 2008-09-09
DE10046487C2 (en) 2003-02-20

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