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
  • C10B25/12—Closing and opening the doors for ovens with horizontal chambers
• • 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 strain-free stationary furnace door operation for a coke oven plant of the "heat recovery" type, through which a vertical opening of the coke oven chamber doors without use of a Koksofenbedienungsmaschine is possible, the deviations of the traction elements of the furnace door operation of the target assemblies, which are characterized by the
• the invention also relates to a method for the expansion-free, stationary furnace door operation of a coke oven plant of the type "" which results in expansions of the transfer devices and undesired tensile force reinforcements, which result from differences in the adhesion forces of the coke oven chamber during closure, by the use of expansion-poor transmission devices and tension elements.
• WO 01/18150 A2 describes a system of coke oven chambers, secondary heating chambers, cooling air ducts under the coke oven chambers, air supply ducts, control devices for the admission of air into the air supply ducts, exhaust gas collecting ducts, coal loading machines loaded from the ceiling of the coke oven compartments, expressing machines, which express from one side of the coke oven chambers, and fire trucks that receive the coke on the opposite side of the coke oven chambers, coke oven chamber doors, door opening and closing mechanisms, coal storage devices, a quench tower, and an exhaust gas collection channel to the boiler devices.
• This teaching discloses an opening and closing mechanism for coke oven doors, which opens the doors vertically by pulling force with a hydraulic drive device, wherein the pulling force is transmitted with ropes, which is converted via pulleys in a horizontal tensile force, so that the pulling device horizontally and against the rope can transport a counterweight.
• DE 144947 C describes a device for raising and lowering coke oven chamber doors, in particular of coke ovens by means of a force associated with a rod, a frame or an equivalent type device force cylinder and guided over rollers, acting on the furnace doors traction means, wherein the in the front direction of the ovens movable rod or the like is provided with a plurality of traction means, so that several furnace doors can be lifted simultaneously as needed.
• This device also has the disadvantage that the automated operation of a whole Koksofenbank with the individual coke oven chambers is not possible because an actuator for a single power transmission mechanism is not present, and that the transmission of the tensile force is carried out with a simple rope.
• WO 2009068183 A1 describes a drive mechanism for vertically opening and closing coke oven chamber doors and horizontal coke oven chambers, which raises the doors via a chain or rope to the open position, and the cable or chain are connected via pulleys with an actuating lever , so that the rope or the chain is pulled horizontally, and the doors are pulled up vertically over pulleys, wherein the actuating lever is connected to a drawbar, which engages after actuation of the operating lever in the gripper cam of a gripper carriage, and the gripper carriage is driven by a cable , and the door is pulled into the open position upon actuation of the operating lever, and is also locked in the open position by a suitable mechanism.
• the coke oven doors also stick together during the coking process through the coking products deposited in the doors, so that a high tensile force must be used for opening, which differs depending on the degree of adhesion.
• the ropes used must be dimensioned accordingly strong, which brings correspondingly high investment and operating costs.
• the invention solves this problem by a device which Koksofenschen, which close the coke oven chambers frontally, with a tension element which is equipped with a break and stretch-proof tow hook, opens or closes vertically, wherein a train carriage, which horizontally on a guide device runs along the coke oven chamber front, is connected by a transmission device which is fixedly connected to the train carriage via a link mechanism with the tension member on request, and the train carriage is connected to the transfer device via pulleys fixed to the coke oven chamber doors, and the tension member as well as the transmission device is rigid and expansion-free, so that the coke oven chamber open vertically at a horizontal movement of the tension element at the request of the connection mechanism or close.
• This request can be made manually, but is preferably done automatically by remote control.
• a horizontally displaceable tension element which extends at least in sections along the coke oven chamber front and which is equipped with a drive unit and which is equipped with at least one towing hook,
• a train carriage which runs horizontally on a guide device at least in sections along the coke oven chamber front,
• a transmission device which is firmly connected to the towing vehicle, and which is connected via deflection rollers fixed to the coke oven chamber doors, and which is at least temporarily connectable to the train carriage with the rigid tension element,
• a link mechanism connects the towing vehicle and the rigid tension member on request.
• the device is preferably used on both sides of the coke oven chamber, so both on the machine side and on the coke side.
• the rigid tension element is preferably a pull rod.
• the transfer device is low-stretch or in a preferred embodiment almost free of strain.
• the strain-free transmission device is preferably a chain of low-expansion steel segments. Under low-stretch is to be understood that the chain changes when opening or closing in its entire length only a few millimeters.
• the connecting mechanism is preferably a bracket, which is fastened to the towing vehicle via a hinge, and which is pivoted on demand by a lever, whereby the pull hook of the pull rod is displaced when the pull rod is displaced into a holder provided for this purpose engages in the bracket, which allows trouble-free passage of the towing hook with an untwisted bracket.
• connection mechanism but it may also be a slide, which is mounted on a storage on the towing vehicle, so that it is displaceable transversely to the direction of movement of the carriage, and which is displaced upon request with a lever, whereby the Tow hook of the pull rod engages in movement of the pull rod in an opening provided for this purpose of the lever, or presses a pull hook against a projection of the slider.
• a pulling gripper cam as taught in the prior art, with a potentially breakable hook is no longer required.
• a coach is advantageously provided for each coke oven chamber to be opened Koksofenscht.
• another coaster is advantageously provided, which is pulled by the corresponding drawbar, so that both opposite coke oven chamber a coke oven chamber can be operated independently or simultaneously.
• the pull rod can be driven arbitrarily.
• the drive unit is preferably provided at least at one end with a hydraulic cylinder. This is driven by the hydraulic pump of a hydraulic unit.
• the pull rod is provided at least one end with a geared motor unit.
• the pull rod or the tension element can be equipped with any draw hooks or projections for transmitting the tensile force.
• the towing hooks can be adjusted horizontally in the suspension position on the tension element in the longitudinal direction.
• the pull rod is typically stored on rollers for improved mobility.
• the request mechanism for the bracket or the slide can be designed arbitrarily. This can be equipped with a simple lever for permanent or auxiliary manual operation. However, this is preferably equipped with an automatic mechanism, is moved by the bracket or the slider in the position required for the tensile force.
• a train carriage which is equipped with a connection mechanism and which can be moved along a guide device along the coke oven chamber front, remains without request in the idle state, and which is characterized in that
• the train carriage opens the coke oven chamber door via a low-expansion transmission device, and closes the coke oven chamber door when the tractor vehicle retracts.
• the tension element or the drawbar can be driven arbitrarily for horizontal displacement, which is used as a force after deflection in the vertical direction to open or close the coke oven chamber doors.
• the tension member can be moved by way of example by a hydraulic cylinder, which is driven by a hydraulic pump of a hydraulic unit.
• the tension member can also be moved by a gear motor unit which is arranged at the end of the pull rod, and transmits the tensile force and pulling movement by way of example with pinion or Triebstockkraftübertragung on the pull rod.
• the hydraulic element or the gear motor can ultimately be designed arbitrarily. These can be operated by an internal combustion engine, electrically or, for example, by steam.
• the drive units can be arranged by way of example at the end of the pull rod, where they transmit the tensile force and pulling movement to the pull rod.
• the transmission device is low-expansion or preferably strain-free, which manifests itself in the fact that it changes only a few millimeters when opened or closed in length. This is measurable above all on the overstroke device of the hydraulic cylinder on the tension element, which is set by way of example to an overstroke of at most 150 mm. This overstroke compensates for both the different door lift and the chain extension.
• the drive unit can run temporarily or permanently, depending on the duration of the coking process and the number of coke oven chambers to be operated. If this runs temporarily, it can be requested or started, for example, by a radio transmission mechanism. This can also run permanently and be engaged for the displacement process. Also, the connection mechanism can be requested arbitrarily. This can be done manually or remotely.
• connection mechanism is requested remotely via radio.
• a remote control via cable is conceivable.
• connection mechanism from the coke oven operating machine such as a coke ejecting machine.
• the inventive method is preferably used both on coke oven benches of the type "non-recovery" and the type of "heat recovery". Conceivable, however, are ultimately all types of coke oven plants in which the application of vertical opening and closes Koksofenhuntten brings an advantage.
• the device according to the invention and the method carried out therewith have the advantage that the coke oven chamber doors of a coke oven bank or coke oven battery can be opened and closed vertically without any space requirement in front of the coke oven chamber front, wherein no extensible ropes are used for the transmission of the driving force by stretching to a deteriorated accuracy of the opening and closing process lead.
• the device according to the invention it is also no longer necessary to provide the ropes usually used with protection devices from rope breakage. This contributes to an improved economy of the entire process.
• FIG. 1 shows a coke oven bank with six coke oven chambers, which are equipped with the device according to the invention for raising and lowering the coke oven chamber doors.
• FIG. 2 shows a coke oven bank with six coke oven chambers in a vertical view from above.
• FIG. 3 shows a connection mechanism according to the invention, which is designed as a bracket, in a lateral view.
• FIG. 4 shows a connection mechanism according to the invention, which is in the form of an ironing, in a frontal view.
• FIG. 5 shows a connection mechanism according to the invention, which is designed as a slide, in frontal view.
• FIG. Figure 1 shows a coke oven bench (1) with six coke oven chambers (2a-f) equipped with frontal coke oven doors (3a-f), the doors (3a-f) being opened by lifting vertically, loading the coke oven chambers (2) - are closed, and closed by vertical lowering.
• the coke oven chamber doors (3a-f) are connected to a chain (4) of low-expansion segments (4a), which in turn are connected to a carriage (5).
• the carriage (5) consists of the actual car, which is attached to an overlying pull rod (6) with a rollable suspension (7), and a connection mechanism (8) with the carriage (5) is connected. Upon request, the connection mechanism (8) closes, so that the carriage (5) is mechanically fixed to the drawbar (6).
• the pull rod (6) is displaced in the horizontal direction (here to the right), so that the coke oven chamber door (3a) on the left opens by pulling up. As a result, the coke cake (9) is exposed in the coke oven chamber.
• the drive device (10) for the pull rod (6) which consists of a hydraulic cylinder (10a).
• the connecting mechanism (8) is made of a bracket (8a), which engages by folding and locking in a projection (11) or pull hook of the drawbar (6) and thereby entrains or relieves them in a horizontal displacement of the tie rod (6).
• FIG. Figure 2 shows a coke oven bench (1) consisting of six coke oven chambers (2a-f) in a vertical view from above.
• the coke oven chambers (2a-f) are carried on the coke oven chamber front in the lateral direction of anchor stands (12).
• a drive (10) which is a hydraulic cylinder (10a).
• FIG. 3 shows the connection mechanism (8) in a side view.
• the connecting mechanism (8) is here as a bracket (8a), which sits in a holder (13) with joint (13a).
• the bracket (8a) is folded up on request, whereby the bracket (8a) via a web (14) into the draw hook (11) of the pull rod (6) engages.
• the bracket (8a) is in turn connected to the carriage (5), so that with the horizontal displacement of the drawbar (6) and the carriage (5) is moved.
• This in turn is connected via chains (4) with the coke oven chamber (3), so that the coke oven chamber (3) is opened or closed by the horizontal displacement movement.
• FIG. 4 shows the same connecting mechanism (8) in a view along the drawbar (6).
• a carrying device (15) is mounted, on which in turn a bracket (8a) with web (14) is attached.
• This is folded down here and is pivoted-up on demand with a lever (15a), so that a pull hook (11), which is mounted on the drawbar (6), in the web (14) of the bracket (8a) can intervene.
• FIG. Fig. 5 shows a connection mechanism (8), which is designed as a slide (8c). This has a projection (8d), which is pressed by a lateral displacement of the slider (8c) on the towing hook (11) of the pull rod (6).
• the carriage (5) is pulled along, and relieved at a retraction of the drawbar (6). This opens and closes the coke oven chamber doors (3).
• the slider is mounted in a carrying device (15) and actuated by a lever (15a).

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Organic Chemistry (AREA)
• Coke Industry (AREA)
• Furnace Housings, Linings, Walls, And Ceilings (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=44925476

Family Applications (1)

Country Status (17)

Families Citing this family (6)

Family Cites Families (8)

• 2010
  • 2010-10-27 DE DE102010049468A patent/DE102010049468A1/de not_active Withdrawn
• 2011
  • 2011-10-20 JP JP2013535302A patent/JP6004445B2/ja not_active Expired - Fee Related
  • 2011-10-20 UA UAA201304566A patent/UA111172C2/uk unknown
  • 2011-10-20 MX MX2013004653A patent/MX2013004653A/es unknown
  • 2011-10-20 US US13/881,426 patent/US20130270101A1/en not_active Abandoned
  • 2011-10-20 CN CN201180051251.7A patent/CN103180411B/zh not_active Expired - Fee Related
  • 2011-10-20 RU RU2013117981/05A patent/RU2593613C2/ru not_active IP Right Cessation
  • 2011-10-20 BR BR112013009902A patent/BR112013009902A2/pt not_active IP Right Cessation
  • 2011-10-20 EP EP11781434.3A patent/EP2632999A1/de not_active Withdrawn
  • 2011-10-20 CA CA2815931A patent/CA2815931A1/en not_active Abandoned
  • 2011-10-20 AU AU2011322973A patent/AU2011322973A1/en not_active Abandoned
  • 2011-10-20 WO PCT/EP2011/005298 patent/WO2012055511A1/de active Application Filing
  • 2011-10-20 KR KR1020137013263A patent/KR20140045293A/ko not_active Application Discontinuation
  • 2011-10-26 AR ARP110103960A patent/AR083562A1/es not_active Application Discontinuation
  • 2011-10-26 TW TW100138899A patent/TWI499666B/zh not_active IP Right Cessation
• 2013
  • 2013-04-26 CL CL2013001161A patent/CL2013001161A1/es unknown
  • 2013-05-22 CO CO13125958A patent/CO6720974A2/es unknown

Non-Patent Citations (1)

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