EP1024186B1 - Telescoping tube for a discharging device of a coke oven charging car - Google Patents

Telescoping tube for a discharging device of a coke oven charging car Download PDF

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Publication number
EP1024186B1
EP1024186B1 EP99122466A EP99122466A EP1024186B1 EP 1024186 B1 EP1024186 B1 EP 1024186B1 EP 99122466 A EP99122466 A EP 99122466A EP 99122466 A EP99122466 A EP 99122466A EP 1024186 B1 EP1024186 B1 EP 1024186B1
Authority
EP
European Patent Office
Prior art keywords
tube
sealing
seal
charging
drive
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.)
Expired - Lifetime
Application number
EP99122466A
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German (de)
French (fr)
Other versions
EP1024186A2 (en
EP1024186A3 (en
Inventor
Ralf Dipl.-Ing. Knoch
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
Priority claimed from DE1999102968 external-priority patent/DE19902968B4/en
Application filed by ThyssenKrupp EnCoke GmbH filed Critical ThyssenKrupp EnCoke GmbH
Publication of EP1024186A2 publication Critical patent/EP1024186A2/en
Publication of EP1024186A3 publication Critical patent/EP1024186A3/en
Application granted granted Critical
Publication of EP1024186B1 publication Critical patent/EP1024186B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C10B31/00—Charging devices
    • C10B31/02—Charging devices for charging vertically
    • C10B31/04—Charging devices for charging vertically coke ovens with horizontal chambers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Sealing Devices (AREA)
  • Coke Industry (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The telescopic chute has a filler pipe (4) within an outer slidable pipe (5), and a sealing arrangement (10) between the two pipes. The sealing arrangement comprises an elastic deformable seal (11) and a compression unit (12) with a drive (13) which is preferably hydraulic. The telescopic chute has a filler pipe (4) within an outer slidable pipe (5), and a sealing arrangement (10) between the two pipes. The sealing arrangement comprises an elastic deformable seal (11) and a compression unit (12) with a drive (13) which is preferably hydraulic. During location on the charge-hole, the outer pipe is freely adjustable to accommodate height variations; operation of the hydraulic compression unit then squeezes the seal to close the annular gap between the pipe sections before the coal filling is started.

Description

Die Erfindung betrifft ein Teleskoprohr für eine Austragseinrichtung an einem Beschickungswagen für Koksöfen mit einem Füllrohr, mit einem das Füllrohr umschließenden, vertikal verstellbaren Außenrohr, mit einer Dichtungsanordnung zur Abdichtung des Ringspaltes zwischen Füllrohr und dem Außenrohr, die eine das Füllrohr umschließende elastisch verformbare Dichtung aufweist, und mit einer auf die Dichtung wirkenden Spannvorrichtung, die einen Antrieb zum betriebsmäßigen Spannen und Lösen aufweist, wobei die Dichtung durch Spannen der Spannvorrichtung gegen das Füllrohr sowie gegen eine mit dem Außenrohr verbundene Flanschfläche pressbar ist und wobei die Dichtung durch Lösen der Spannvorrichtung von der Füllrohrwand wieder freikommt, so dass das Außenrohr ohne Verschleiß der Dichtung vertikal verstellbar ist.The invention relates to a telescopic tube for a discharge device on a loading cart for coke ovens with a filling pipe, with a filling pipe surrounding the filling pipe, vertically adjustable outer tube, with a sealing arrangement for sealing the annular gap between the filling pipe and the outer tube, which encloses the filling tube has elastically deformable seal, and with a the seal acting tensioner which is a drive for operational tensioning and loosening, the Seal by tensioning the tensioning device against the filling pipe as well as against a flange surface connected to the outer tube is compressible and the seal by loosening the Clamping device is released from the filling pipe wall, see above that the outer tube is vertical without wearing the seal is adjustable.

Beschickungswagen für einen modernen Koksofenbetrieb sind mit einem Teleskoprohr ausgestattet, welches die Einsatzkohle aus einer unterhalb eines Fülltrichters befindlichen Austragseinrichtung in die Koksofenkammer überleitet. Das Teleskoprohr ist mehrteilig ausgebildet und weist zumindest ein an die Austragseinrichtung angeschlossenes Füllrohr sowie ein heb- und senkbares Außenrohr auf. Besonderer Wert wird bei der Ausführung des Teleskoprohres auf eine dichte Ausführung gelegt, so dass während des Kohleeinfüllens in die Koksofenkammer keine Füllemissionen durch das Teleskoprohr in die Umwelt gelangen. Bei einem aus DE-C 29 22 571 bekannten Teleskoprohr weist das fest an die Austragseinrichtung angeschlossene Füllrohr an seinem unteren Ende einen ringförmigen, mit Sand gefüllten Kragen auf. Das vertikal verstellbare Außenrohr besitzt an seinem oberen Ende eine Dichtleiste, die beim Absenken des Außenrohres in das Sandbett eintaucht. Die bekannte Ausführung erlaubt es nicht, Höhendifferenzen zwischen der Unterkante des abgesenkten Außenrohres und dem Fülllochrahmen auszugleichen.Feed trolleys for a modern coke oven operation equipped with a telescopic tube, which the coal from one located below a hopper Discharge device transferred to the coke oven chamber. The Telescopic tube is formed in several parts and at least has a filling pipe connected to the discharge device and a lifting and lowering outer tube. Special value is in the execution of the telescopic tube on a tight Execution placed so that during the coal filling in the coke oven chamber no fill emissions through the telescopic tube get into the environment. In one from DE-C 29 22 571 Known telescopic tube has the discharge device connected filling pipe at its lower end a ring-shaped collar filled with sand. The has vertically adjustable outer tube on its upper End of a sealing strip, which when lowering the outer tube in submerges the sand bed. The known version allows it not, height differences between the lower edge of the lowered Compensate outer tube and the filling hole frame.

Durch örtliche Veränderungen des Mauerwerks der Ofendecke können beachtliche Höhenunterschiede entlang der Ofendecke auftreten, die bei der Befüllung der einzelnen Koksofenkammern von dem Teleskoprohr ausgeglichen werden müssen. Zu diesem Zweck werden in die Teleskoprohre Kompensatoren eingebaut, welche einerseits den Austritt von Füllemissionen verhindern und andererseits in einem gewissen Umfang aufgrund ihrer Dehnfähigkeit Höhendifferenzen von Fülllochrahmen zu Fülllochrahmen ausgleichen. Bei einer aus EP-B 0 632 117 bekannten Ausführung sind das fest mit der Austragseinrichtung verbundene Füllrohr und das heb- und senkbare Außenrohr von einer als Wellrohr ausgebildeten Manschette umgeben, die sich beim Absenken des Außenrohrs ausdehnt. Die Manschette, zumeist aus Stahl oder einem Spezialgewebe gefertigt, besitzt nur eine begrenzte Dehnfähigkeit, die in direktem Zusammenhang mit ihrer Baulänge steht und weder durch die konstruktive Ausführung noch durch die Materialwahl wesentlich beeinflussbar ist. In der Praxis, insbesondere bei älteren Koksofenanlagen, ist der Abstand zwischen der Unterkante des Teleskoprohres in angehobenem Zustand und der Oberkante der Fülllochrahmen oft größer als die zulässige Dehnung des Kompensators, so dass ganze Ofendeckenbereiche mit den Fülllochrahmen in aufwendigen und mit erheblichen Kosten verbundenen Aktionen angehoben und in den Bereich der zulässigen Kompensatordehnungen gebracht werden müssen.Due to local changes in the masonry of the furnace ceiling there can be considerable differences in height along the furnace ceiling occur when filling the individual coke oven chambers must be compensated by the telescopic tube. To for this purpose, compensators are installed in the telescopic tubes, which on the one hand the leakage of fill emissions prevent and on the other hand due to some extent their elasticity, height differences of filling hole frames equalize to fill hole frame. In one from EP-B 0 632 117 known version are fixed with the Discharge device connected filling tube and the lifting and lowerable outer tube from a corrugated tube Cuff surround that when lowering the outer tube expands. The cuff, usually made of steel or one Special fabric made, has only a limited stretch, which are directly related to their overall length stands and neither by the constructive execution nor can be significantly influenced by the choice of material. In the Practice, especially in older coke oven plants, is the Distance between the lower edge of the telescopic tube when raised Condition and the top edge of the fill hole frame often greater than the allowable expansion of the compensator, so that Entire furnace ceiling areas with the filling hole frames in complex and raised actions associated with significant costs and in the range of the allowable expansion joints have to be brought.

Ein Teleskoprohr mit den eingangs beschriebenen Merkmalen ist aus EP-A 0 396 877 bekannt. Bei der bekannten Ausführung ist eine das Füllrohr umschließende elastisch verformbare Dichtung vorgesehen, die in einem von zwei Flanschringen begrenzten und mit dem Außenrohr verbundenen ringförmigen Gehäuse angeordnet sowie radial von einem in das Gehäuse eingelegten Spannband beaufschlagt ist. Der Antrieb der Spannvorrichtung weist eine die Enden des Spannbandes zusammenziehende Zugeinrichtung auf.A telescopic tube with the features described above is known from EP-A 0 396 877. In the known version is an elastically deformable that surrounds the filling pipe Seal provided in one of two Flange rings limited and connected to the outer tube annular housing arranged radially from one in the tensioned strap is inserted into the housing. The Drive of the clamping device has one of the ends of the Tensioning band pulling drawbar on.

In DE-A 39 30 871 ist ein Teleskoprohr mit einer schlauchförmigen Dichtung beschrieben, die mit Pressluft aufgeblasen wird.In DE-A 39 30 871 is a telescopic tube with a tubular Seal described that inflated with compressed air becomes.

Der Erfindung liegt die Aufgabe zugrunde, ein Teleskoprohr der eingangs beschriebenen Zweckbestimmung anzugeben, das in einem großen Arbeitsbereich beliebige Abstände zwischen der Teleskoprohrunterkante und der Oberkante des Fülllochrahmens eines Koksofens überbrückt und den Austritt von Füllemissionen wirkungsvoll verhindert. The invention has for its object a telescopic tube of the intended purpose described at the beginning, that any distance between in a large work area the lower edge of the telescopic tube and the upper edge of the filling hole frame of a coke oven bridged and the leakage of Filling emissions effectively prevented.

Die Aufgabe wird bei einem Teleskoprohr des eingangs beschriebenen Aufbaus erfindungsgemäß dadurch gelöst, dass die Dichtung in einem von einem Flanschring und einem Rohrabschnitt begrenzten Ringraum angeordnet und von einem an den Antrieb angeschlossenen, vertikal verstellbaren Spannring in axialer Richtung beaufschlagt ist. Beim Spannvorgang wird die Dichtung durch eine vertikale Stellbewegung des Spannringes zusammengepresst und an das Füllrohr sowie an die entsprechenden Kontaktflächen des Außenrohres angedrückt. Nach Lösen der Spannvorrichtung verformt sich die Dichtung zurück, so dass das Außenrohr vertikal verstellt werden kann, ohne dass die Dichtung einem Verschleiß ausgesetzt ist. Bevorzugte Ausgestaltungen der erfindungsgemäßen Anordnung sind in den Ansprüchen 2 und 3 beschrieben.The task is described with a telescopic tube of the beginning Structure according to the invention solved in that the seal in one of a flange ring and a pipe section limited annulus arranged and from one the drive connected, vertically adjustable clamping ring is acted upon in the axial direction. During the tensioning process the seal is moved vertically of the clamping ring pressed together and to the filling tube as well pressed onto the corresponding contact surfaces of the outer tube. After loosening the clamping device, the deforms Seal back so that the outer tube is adjusted vertically can be used without the seal being subject to wear is. Preferred embodiments of the invention Arrangement are described in claims 2 and 3.

Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen schematisch:

Fig. 1
ein Teleskoprohr an einer Austragseinrichtung eines Beschickungswagens für Koksöfen,
Fig. 2
einen Ausschnitt aus der in Fig. 1 dargestellten Vorrichtung in vergrößerter Darstellung.
The invention is explained below on the basis of a drawing which represents only one exemplary embodiment. They show schematically:
Fig. 1
a telescopic tube on a discharge device of a loading trolley for coke ovens,
Fig. 2
a section of the device shown in Fig. 1 in an enlarged view.

Das in Fig. 1 dargestellte Teleskoprohr 1 ist an die Austragseinrichtung 2 eines nicht dargestellten Beschickungswagens angeschlossen, der auf der Ofendecke 3 eines Koksofens verfahrbar ist. Das Teleskoprohr 1 weist ein mit der Austragseinrichtung 2 fest verbundenes Füllrohr 4 sowie ein das Füllrohr 4 umschließendes, vertikal verstellbares Außenrohr 5 auf. Über einen Tragring 6 und Gelenkstangen 7 ist das Außenrohr 5 mit einem Hebebalken 8 verbunden. Durch Stellbewegung des Hebebalkens 8 ist das Außenrohr 5 aus einer in Fig. 1 dargestellten Ruheposition absenkbar, bis die Unterkante des Außenrohres 5 auf einem Fülllochrahmen 9 der zu befüllenden Koksofenkammer aufsitzt. Eine Dichtungsanordnung 10, welche den Ringspalt zwischen dem Füllrohr 4 und dem Außenrohr 5 während der Beschickung der Koksofenkammer mit Kohle abdichtet, verhindert, dass während der Kohlebefüllung Füllemissionen durch das Teleskoprohr in die Umwelt gelangen.The telescopic tube 1 shown in Fig. 1 is to the discharge device 2 of a loading trolley, not shown connected, on the oven ceiling 3 of a coke oven is movable. The telescopic tube 1 has a Discharge device 2 firmly connected filling tube 4 and a the filling pipe 4 enclosing, vertically adjustable Outer tube 5 on. Via a support ring 6 and articulated rods 7 the outer tube 5 is connected to a lifting beam 8. By Adjustment movement of the lifting beam 8 is the outer tube 5 a rest position shown in Fig. 1 can be lowered until the lower edge of the outer tube 5 on a filling hole frame 9 of the coke oven chamber to be filled. A seal arrangement 10, which the annular gap between the filling pipe 4th and the outer tube 5 during the loading of the coke oven chamber seals with charcoal, prevents during the Carbon filling Filling emissions through the telescopic tube into the Environment.

Die Fig. 2 zeigt den Aufbau der Dichtungsanorndung 10. Sie weist eine das Füllrohr 4 umschließende, elastisch verformbare Dichtung 11 sowie eine auf die Dichtung 11 wirkende Spannvorrichtung 12 auf. Die Spannvorrichtung 12 ist mit einem Antrieb 13 zum betriebsmäßigen Spannen und Lösen ausgerüstet. Durch Spannen der Spannvorrichtung 12 ist die elastisch verformbare Dichtung 11 gegen das Füllrohr 4 und gegen eine mit dem Außenrohr 5 verbundene Flanschfläche pressbar. Durch Lösen der Spannvorrichtung kommt die Dichtung 11 von der Füllrohrwand wieder frei, so dass das Außenrohr 5 ohne Verschleiß der Dichtung 11 angehoben oder abgesenkt werden kann. Die Dichtung 11 kann, wie in Fig. 2 angedeutet, aus mehreren übereinander angeordneten Dichtungsringen bestehen.2 shows the structure of the seal arrangement 10. You has an elastically deformable surrounding the filling tube 4 Seal 11 and one acting on the seal 11 Clamping device 12. The clamping device 12 is with equipped with a drive 13 for operational tensioning and loosening. By tensioning the tensioning device 12 elastically deformable seal 11 against the filling tube 4 and against a flange surface connected to the outer tube 5 pressed. By loosening the clamping device, the seal comes 11 free again from the filling pipe wall, so that Outer tube 5 raised without wear of the seal 11 or can be lowered. The seal 11 can, as in FIG. 2 indicated, from several sealing rings arranged one above the other consist.

Die Dichtung 11 ist in einem von einem Flanschring 14 und einem Rohrabschnitt begrenzten Ringraum angeordnet und von einem an den Antrieb 13 angeschlossenen, vertikal verstellbaren Spannring 18 in axialer Richtung beaufschlagt. In der linken Darstellung der Fig. 2 ist das Außenrohr 5 für einen Einfüllvorgang abgesenkt und die Spannvorrichtung 12 gespannt. Die aus mehreren Dichtungsringen bestehende Dichtung 11 ist durch eine Stellbewegung des oberen Spannringes 18 verpresst und liegt unter Druck sowohl am Füllrohr 4 als auch an den entsprechenden Kontaktflächen des Außenrohres 5 an. Die rechte Hälfte der Fig. 2 zeigt die Dichtungsanordnung 10 bei gelöster Spannvorrichtung 12. Der Antrieb 13 ist entlastet, und der obere Spannring 18 liegt druckfrei auf der Dichtung 11 auf. Die elastischen Dichtungsringe haben sich zurückverformt, wobei zwischen der Dichtung 11 und der Mantelfläche des Füllrohres 4 ein Spalt s erkennbar ist. Das Außenrohr 5 ist vertikal verstellbar ohne Verschleiß der Dichtung 11.The seal 11 is in one of a flange ring 14 and a tubular section limited annular space arranged by a vertically adjustable connected to the drive 13 Clamping ring 18 acted upon in the axial direction. In the left representation of FIG. 2 is the outer tube 5 for one Filling process lowered and the clamping device 12 clamped. The seal consisting of several sealing rings 11 is by an actuating movement of the upper clamping ring 18 pressed and is under pressure both on the filling tube 4 and also on the corresponding contact surfaces of the outer tube 5 on. The right half of FIG. 2 shows the sealing arrangement 10 with the clamping device 12 released. The drive 13 is relieved, and the upper clamping ring 18 is free of pressure on the seal 11. The elastic sealing rings have deformed back, with between the seal 11 and the lateral surface of the filling tube 4 a gap s can be seen is. The outer tube 5 is vertically adjustable without wear the seal 11.

Claims (3)

  1. A telescopic tube for a discharging device mounted to a charging car for coke ovens, comprised of:
    a charging tube (4),
    a vertically adjustable external tube (5) enclosing the charging tube (4),
    a sealing arrangement (10) to seal the ring gap between charging tube (4) and the external tube (5), comprised of a resiliently deformable sealing (11) enclosing the charging tube (4), and
    a tightening device (12) acting on the sealing (11), equipped with a drive (13) for operational tightening and relaxation,
    with it being possible for said sealing 11 to be pressed by tightening the tightening device (12) against the charging tube (4) as well as against a flange face linked to the external tube (5) and with said sealing (11) being detached again from the charging tube wall by relaxing the tightening device (12), so that the external tube (5) is vertically adjustable without any wear or tear of said sealing (11), characterized in that the sealing (11) is arranged in a ring-shaped space confined by a flange ring (14) and a tube section and loaded in axial direction by a vertically adjustable tightening ring (18) linked to the drive (13).
  2. A telescopic tube pursuant to claim 1, characterized in that the sealing (11) is comprised of several sealing rings arranged above each other.
  3. A telescopic tube pursuant to any one of claim 1 or 2, characterized in that the drive (13) is at least comprised of one hydraulic cylinder/piston arrangement.
EP99122466A 1999-01-26 1999-11-11 Telescoping tube for a discharging device of a coke oven charging car Expired - Lifetime EP1024186B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19902968 1999-01-26
DE1999102968 DE19902968B4 (en) 1999-01-26 1999-01-26 Telescopic tube for a discharge device on a loading trolley for coke ovens

Publications (3)

Publication Number Publication Date
EP1024186A2 EP1024186A2 (en) 2000-08-02
EP1024186A3 EP1024186A3 (en) 2001-10-24
EP1024186B1 true EP1024186B1 (en) 2004-01-28

Family

ID=7895397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122466A Expired - Lifetime EP1024186B1 (en) 1999-01-26 1999-11-11 Telescoping tube for a discharging device of a coke oven charging car

Country Status (4)

Country Link
EP (1) EP1024186B1 (en)
AT (1) ATE258584T1 (en)
DE (2) DE19964274B4 (en)
ES (1) ES2214798T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2516144C2 (en) * 2007-09-15 2014-05-20 Тиссенкрупп Уде Гмбх Telescopic loader for coke furnaces charging

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007019868A1 (en) * 2007-04-25 2008-10-30 Ruhrpumpen Gmbh Arrangement for guiding a de-coking tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941410A (en) * 1974-10-10 1976-03-02 Tadashi Miyaoka Pipe joint construction
DE2922571C2 (en) * 1979-06-02 1985-08-01 Dr. C. Otto & Co Gmbh, 4630 Bochum Charging trolleys for coking ovens
DE3930871A1 (en) * 1988-09-19 1990-03-22 Still Otto Gmbh Preventing dust and gas emissions when charging coal into coke oven - using flexible sealing rings inflated with compressed air
DE3913320C1 (en) * 1989-04-22 1990-07-05 Hartung Kuhn & Co Maschf Filling car for a coke oven battery
DE59406110D1 (en) * 1993-06-29 1998-07-09 Hartung Kuhn & Co Maschf Method and device for filling coal into the furnace chambers of a coke oven battery
DE4333999A1 (en) * 1993-10-06 1995-04-13 Manibs Spezialarmaturen Device for the medium-tight connection of a pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2516144C2 (en) * 2007-09-15 2014-05-20 Тиссенкрупп Уде Гмбх Telescopic loader for coke furnaces charging

Also Published As

Publication number Publication date
ATE258584T1 (en) 2004-02-15
EP1024186A2 (en) 2000-08-02
DE59908416D1 (en) 2004-03-04
EP1024186A3 (en) 2001-10-24
DE19964274B4 (en) 2005-11-17
ES2214798T3 (en) 2004-09-16

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