EP0110419B1 - Vorrichtung zum Umlegen und Drehen von Koksofentüren zum Zwecke der Wartung und Reparatur - Google Patents

Vorrichtung zum Umlegen und Drehen von Koksofentüren zum Zwecke der Wartung und Reparatur Download PDF

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Publication number
EP0110419B1
EP0110419B1 EP83112120A EP83112120A EP0110419B1 EP 0110419 B1 EP0110419 B1 EP 0110419B1 EP 83112120 A EP83112120 A EP 83112120A EP 83112120 A EP83112120 A EP 83112120A EP 0110419 B1 EP0110419 B1 EP 0110419B1
Authority
EP
European Patent Office
Prior art keywords
support frame
turning
horizontal
coke oven
maintenance
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
Application number
EP83112120A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0110419A2 (de
EP0110419A3 (en
Inventor
Otto Lemke
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.)
Still Otto GmbH
Original Assignee
Still Otto GmbH
Carl Still GmbH and Co KG
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 Still Otto GmbH, Carl Still GmbH and Co KG filed Critical Still Otto GmbH
Publication of EP0110419A2 publication Critical patent/EP0110419A2/de
Publication of EP0110419A3 publication Critical patent/EP0110419A3/de
Application granted granted Critical
Publication of EP0110419B1 publication Critical patent/EP0110419B1/de
Expired 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
    • C10B25/00—Doors or closures for coke ovens
    • C10B25/02—Doors; Door frames
    • C10B25/08—Closing and opening the doors
    • C10B25/14—Devices for lifting doors

Definitions

  • the invention relates to a device for flipping and turning coke oven doors for the purpose of maintenance and repair according to the preamble of the main claim.
  • a first type cf., for example, DE-PS-975 016 and DE-OS-3 044 849
  • the coke oven door is brought from the door lifting device to the free end of the coke oven battery and is initially hung there in a vertically positioned frame .
  • the frame with the door is then lowered on a cable on horizontal rails and then raised again after the door has been overhauled in a corresponding manner.
  • Such devices on which the doors weighing several tons are moved up and down by means of cables, are, as always, not operationally and accident-proof when transporting heavy loads on cables.
  • the second type of transfer device is arranged on its own carriage which can be moved on the operating platform of the coking furnace battery, the tilting and rotating devices being actuated by means of a series of hydraulic cylinders.
  • the upper free end of the tilting and rotating frame is pivoted up and down and rotated without further guidance.
  • the device must be designed to be extremely stable and therefore very expensive.
  • the pivoting of the free end of the holding device for the operating personnel on the extension platform entails considerable dangers.
  • a door folding device with positive guidance of the support frame with rollers which are guided in a guide frame consisting of a vertical and a horizontal pair of rails and a connecting rail pair connecting them.
  • the support frame is provided with guide rollers at its upper end in the vertical position and its lower end is articulated to a carriage which can be moved on a track arranged parallel to the horizontal pair of rails of the bogie.
  • there is also a separate drive car which must be coupled and uncoupled and can also be moved on the lower track.
  • a separate lifting device is also required for repair purposes, with which the frame and the furnace located therein can be raised in a horizontal position. To turn the door in this position, separate pivots must be installed.
  • the object of the invention is now to provide an accident-proof transfer device in which there is no need for complex coupling and uncoupling of the drive car and there is sufficient space on the work platform for repair purposes.
  • the complex additional lifting and turning device should be omitted.
  • the guide frame is interrupted in the middle between the guide frame on the coke side and the guide frame on the machine side and the pairs of rails end below in stable stops for the guide rollers and that the drive device can be moved on a horizontal, elevated rail track .
  • an accident-proof folding device with an inevitable guidance of the support frame is initially provided.
  • the guide frame is not pulled through in the horizontal area on the work platform, but rather interrupted. So if the support frame with the coke oven door inserted in it has been brought into the horizontal position on the work platform, the operators can work on the door without hindrance by the guide frame and rails.
  • the support frame hangs on one side on the horizontally movable drive device and is held at the lower stops of the guide frame when it is in a horizontal position above the work platform.
  • the drive device always remains connected to the support frame even in the vertical position. A coupling and uncoupling of the drive device from the support frame is therefore not necessary.
  • the invention further provides that the drive device is supported on the horizontal, high-lying rail track via counter-pressure rollers and the chain wheels of the drive engage in roller chains which are arranged below and / or above the horizontal rail track of the drive device.
  • the drive device is therefore forcibly guided on the railroad track and protected against tipping over under changing load cases.
  • a rotary drive with a braking device for rotating the door held in the support frame is arranged in any angular position at the free end of the support frame at which it is connected to the boom. It is known from DE-PS-975 016 to design the door frame to be axially rotatable in a horizontal position, such as this rotation in a horizontal direction Direction is to be carried out, but is not described there. Because of the asymmetrical arrangement of the oven door in the support frame, however, rotation by hand in a horizontal direction is hardly possible, so that in the past the door was always turned in a vertical position and then flipped.
  • the invention also provides that the support frame is arranged so high above the work platform in the horizontal position that it can be freely rotated about the entire horizontal longitudinal axis when the door is suspended. To remove heavy parts of the door body or the door plug, the door can now be turned so that the corresponding parts fall vertically down onto the work platform.
  • the horizontal rail is arranged to be movable above the horizontal position of the support frame and at least so high that the operator standing on the work platform has sufficient headroom underneath.
  • the drive device and the associated rail carriageway are arranged correspondingly high above the work platform (preferably about 1.8 to 3 m).
  • the door was hydraulically or by means of a winch after being inserted into the supporting frame by the door lifting device on the operating machine, there was previously a need for the door to be raised about half a meter to one meter again for specific repair work with its own lifting devices had to.
  • This own lifting device is not necessary if, as is proposed according to the invention, the horizontal rail track for the drive device at the two ends in the end position in each case slopes down to the height specified by the door lifting device or the level of the furnace sole.
  • the drive device After inserting the door into the vertical support frame, the drive device first raises the incline and brings the door to the appropriate working height and then moves on the horizontal rail track to the center until the upper guide rollers of the support frame lie against the lower stops of the guide frame .
  • connection between the drive device and the support frame is designed according to the invention in such a way that the drive device is connected to the lower arm of the support frame via a right-angled arm, the horizontal leg of the arm being articulated at its free end on the drive device and at the break point via guide rollers supported on the elevated rail track and the support frame is hinged to the free end of the leg of the jib which is directed vertically downwards.
  • the right-angled design of the boom with the vertically downward leg, on which the end of the support frame hangs creates the required clearance between the rail track and the support frame as well as the required headroom for the operator. Due to the articulated mounting on the lower end of the boom and the lower traverse, the support frame can pivot up or down during the movement of the drive device, in accordance with the sequence of the guide rollers on the flat rails in the guide frame.
  • a counter pressure rail is arranged in the upper region of the guide frame, at the end remote from the door lifting device, which is intended to prevent the support frame from tipping over in the vertical position.
  • the device for flipping and turning coke oven doors is shown, as it is arranged on the work platform 5 at the end of a coke oven battery.
  • a guide frame with the vertical part 30 and the inclined part 32 as well as the lower stops 34 and the support 31, which stands on the work platform.
  • the upper end of the guide frame is attached to the upper stage 37.
  • the support frame 21 and the drive device 10 for the doors on the coke side of the battery is shown in the vertical position of the support frame by way of example.
  • the support frame 21 for the doors of the machine side of the coke oven battery is shown with an inserted door 7 together with the door plug 8nd and the door body 9 in a horizontal position.
  • the upper end 23 of the support frame 21 is shown with the guide rollers 22 at the lower stops 34.
  • the other end 24 of the illustrated machine-side support frame 21 hangs on the end 18 of the vertical boom part 16.
  • the boom is essentially rectangular, the horizontal part 15 of the boom being arranged above the rail track 1 of the drive device 10.
  • At the break point of the delivery there are guide rollers 19 which move on the rail track 1.
  • the boom 15 to 18 is articulated at the end 17 to the drive device 10.
  • This drive device consists of the chassis 12, which moves on 4 rollers on the rail track 1, of a slip-on geared motor 11, which is suspended from the chassis 12 and drives two chain wheels 14 via a continuous shaft.
  • the chain wheels 14 engage in the roller chain 6 arranged below the roadway and thus generate the required compressive and tensile forces.
  • the guide rollers 19 arranged at the bend point of the boom are fastened to the horizontal boom part 15 via buffer springs (not shown), so that the impact is dampened when the furnace door is placed in the supporting frame, and small differences in height in the roadway can be compensated for.
  • two bearings are screwed, also not shown here. In this camp pivot pin of the lower cross member 24 of the support frame 21 are inserted.
  • the pressure force acting on the bearings at the end 18 of the boom when the drive devices are moved generates a lifting force at the end 17 of the boom via the pair of guide rollers 19 as the fulcrum.
  • two counter pressure rollers 13 are attached to the chassis 12 below the rail track 1. These counter pressure rollers run along the flat rails below the rail track while the drive device is traveling.
  • the rail track 1, on which the drive device 10 is moved back and forth together with the boom, consists of two symmetrical frames, each of which is fastened to the work platform with two supports 4 of approximately 2 m in height.
  • the height of the supports was chosen to be large enough to remove the roadway from the work area and thus achieve very good accessibility to the horizontally arranged door 7.
  • a flat rail is welded onto the top of the rail track as a track for the two drive devices on the machine and coke sides.
  • a roller chain 6 is fastened and clamped, in which the chain wheels 14 of the drive device engage and thus generate the necessary compressive and tensile forces.
  • a flat rail is welded onto the underside, on which the counter pressure rollers 13 roll.
  • the rail track is chamfered or cranked down at both ends 2 and has a stable stop device 3 at the end.
  • the chamfer makes it possible to support the support frame with the support bracket 28 (see FIG. 3) Bring the oven door 7 to the level of the sole of the oven and, on the other hand, raise the support frame 21 with the oven door so far in the process in the horizontal position that sufficient play is created between the work platform 5 and the support frame 21 in order to rotate the frame with the oven door used in the horizontal Location.
  • the stops 3 at the end of the rail track prevent the end positions from being passed.
  • counter pressure rails 35 are provided, which prevent the support frame from tipping over in the vertical position and absorb the force when the furnace door is inserted, which is caused by the approach of the stops 26, 27 in the support frame (cf. Operating machine arise.
  • the guide rollers 22 When moving the support frame, the guide rollers 22 first run along the vertical part 30 of the guide frame, then on a curve piece which merges into a 45 ° bevel 32 in the lower region and, at the end of the journey, stand horizontally above the support 31.
  • the construction of the supporting frame 21 can be seen in particular from FIGS. 2 and 3. It consists essentially of a construction with hollow profiles and is rotatably supported axially below and above in the cross members 23 and 24 by means of pins.
  • a geared motor 20 is attached to the lower pin as a rotary drive with a brake motor, which is articulated on the crossbar 24 via a torque support.
  • the lower crossbeam 24 is equipped at the ends with 2 pivot pins which are inserted into the bearings at the end 18 of the boom, so that the support frame 21 can pivot when the drive device is moved.
  • the support frame itself is equipped with 4 adjustable locking hooks 25, into which the locking bars of the furnace door are pivoted, several angle pieces 26, 27 on which the sealing edge of the furnace door rests and which can be removed for repair purposes on the sealing edge, one that is adjustable in height and removable Support bracket 28, for placing the oven door in the vertical position and with 4 pressure supports 29 for clamping the oven door frame to prevent the door from slipping in the support frame when rotating in the horizontal position.
  • a safety catch 36 in the upper part of the guide frame 30 is intended to prevent the oven door from falling through when it is inserted if the attachment of the stops 26, 27 in the supporting frame should be forgotten after the repair.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Coke Industry (AREA)
EP83112120A 1982-12-07 1983-12-02 Vorrichtung zum Umlegen und Drehen von Koksofentüren zum Zwecke der Wartung und Reparatur Expired EP0110419B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823245138 DE3245138A1 (de) 1982-12-07 1982-12-07 Vorrichtung zum umlegen und drehen von koksofentueren zum zwecke der wartung und reparatur
DE3245138 1982-12-07

Publications (3)

Publication Number Publication Date
EP0110419A2 EP0110419A2 (de) 1984-06-13
EP0110419A3 EP0110419A3 (en) 1986-02-19
EP0110419B1 true EP0110419B1 (de) 1988-05-18

Family

ID=6179952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83112120A Expired EP0110419B1 (de) 1982-12-07 1983-12-02 Vorrichtung zum Umlegen und Drehen von Koksofentüren zum Zwecke der Wartung und Reparatur

Country Status (3)

Country Link
US (1) US4620828A (enrdf_load_stackoverflow)
EP (1) EP0110419B1 (enrdf_load_stackoverflow)
DE (2) DE3245138A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803455C1 (de) * 1998-01-30 1999-08-26 Saarberg Interplan Gmbh Verfahren und Vorrichtung zur Herstellung eines Kokskohlekuchens zur Verkokung in einer Ofenkammer
DE10113891C2 (de) * 2001-03-21 2003-07-17 Thyssen Krupp Encoke Gmbh Vorrichtung zum Ausheben von Ofentüren eines Verkokungsofens
US7543410B2 (en) * 2004-08-31 2009-06-09 Gary L. Baczewski Pneumatically operated system for controlling door operations
CN114606013A (zh) * 2022-03-28 2022-06-10 山西洪瑞重型机械有限公司 一种炉门起落架装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1357058A (en) * 1918-10-22 1920-10-26 Louis Wilputte Door-handling machine
DE975016C (de) * 1951-03-11 1961-07-13 Didier Werke Ag Abstelleinrichtung fuer ausgemauerte Koksofentueren
DE1753229U (de) * 1957-07-13 1957-10-03 Didier Werke Ag Koksofentuer-umlegevorrichtung.
DE1177600B (de) * 1959-12-28 1964-09-10 Still Fa Carl Vorrichtung zum Umlegen und Wenden von Koksofentueren
DE2142706C3 (de) * 1971-08-26 1981-11-26 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Vorrichtung zum Umlegen und Wenden der Türen von waagerechten Verkokungsofenkammern zum Zwecke ihrer Überholung und Reparatur
US4306831A (en) * 1979-08-06 1981-12-22 Koritsu Kikai Kogyo Company Limited Coke oven door overturning apparatus
DE3044848A1 (de) * 1980-11-28 1982-07-01 Dr. C. Otto & Comp. Gmbh, 4630 Bochum Vorrichtung zum ueberholen und reparieren der tueren waagerechter verkokungsoefen

Also Published As

Publication number Publication date
EP0110419A2 (de) 1984-06-13
DE3245138A1 (de) 1984-06-07
EP0110419A3 (en) 1986-02-19
DE3376659D1 (en) 1988-06-23
US4620828A (en) 1986-11-04
DE3245138C2 (enrdf_load_stackoverflow) 1987-07-02

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