WO2022003121A1 - Plate-forme de travail pour fours - Google Patents

Plate-forme de travail pour fours Download PDF

Info

Publication number
WO2022003121A1
WO2022003121A1 PCT/EP2021/068217 EP2021068217W WO2022003121A1 WO 2022003121 A1 WO2022003121 A1 WO 2022003121A1 EP 2021068217 W EP2021068217 W EP 2021068217W WO 2022003121 A1 WO2022003121 A1 WO 2022003121A1
Authority
WO
WIPO (PCT)
Prior art keywords
furnace
unit
positioning unit
working platform
work
Prior art date
Application number
PCT/EP2021/068217
Other languages
German (de)
English (en)
Inventor
Bennet RÖPKE
Original Assignee
RefraVision 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 RefraVision GmbH filed Critical RefraVision GmbH
Publication of WO2022003121A1 publication Critical patent/WO2022003121A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1694—Breaking away the lining or removing parts thereof

Definitions

  • the present invention relates to a working platform according to the type defined in more detail in the preamble of the first independent device claim.
  • the invention also relates to a system according to the preamble of the further independent device claim and to a method according to the independent method claim.
  • the further publication AT 007 707 U1 shows a working platform which is secured in a height-adjustable manner with ropes from above by means of a fastening platform in the interior of a furnace. Workers can then do their work in the furnace on this work platform, with variable work equipment also being arranged on the mounting platform above the work platform to enable the worker to carry out his work, such as B. to support the bricklaying of the furnace or the plastering of the inner wall of the furnace.
  • the disadvantage of the known solutions from the prior art is that the work can either be carried out manually by the worker, possibly only with the support of a work device, or fully automatically by a corresponding work device, but then without personal control measures by the worker. Due to the existing pollution and insufficient ventilation in the furnace, the worker is stressed during his work. The effort for a subsequent control of the automatically carried out work is therefore considerable.
  • the workers do not have to be permanently present while the work is being carried out in the interior of the furnace.
  • a work platform for processing an interior of a furnace in particular for demolishing or producing an inner lining of the furnace, having a support unit with an upper side and a lower side and at least one work machine which is arranged on the support unit.
  • at least one first positioning unit is arranged on the support unit, preferably on the upper side, wherein the working machine can be positioned by the first positioning unit.
  • the furnace mentioned can in particular be an industrial furnace, in particular for the material conversion of gaseous, liquid or solid media, preferably with the supply of heat.
  • Such an industrial furnace can be, for example, a blast furnace for the steel industry, a chemical furnace for the chemical industry or a lime kiln.
  • Such furnaces are lined with refractory bricks from the inside and, if necessary, plastered in order to produce a smooth inner wall in the interior of the furnace.
  • processing is understood to mean any activity for the construction, repair, restoration or renewal of the furnace, in particular the interior or the wall of the interior.
  • the work platform has the support unit, which serves as a base for fastening the work machine. At the same time or at different times, a worker can also use the support unit as a stable surface for his work in the furnace.
  • the working platform itself can be lowered into the interior of the furnace in a height-adjustable manner from above in order to be able to carry out work in the interior at a predefined height.
  • the mentioned support unit can be designed as a support frame with (variable, composable) rods and / or cross struts.
  • the support unit preferably has a plate-shaped structure which can be provided with cutouts, in particular to reduce weight.
  • the top of the support unit can be designed with a step surface, which will be discussed in more detail in the following text.
  • the shape and size of the cross section through the support unit essentially also corresponds to the shape and size of the cross section through the interior of the furnace.
  • the support unit must be designed to be smaller in shape and size than the corresponding cross section of the interior of the furnace. Since the support unit itself has a certain width in cross section, within the scope of the invention there is also talk of an upper side, which is directed upwards when the support unit is positioned in the furnace, and of an underside, which is directed towards the bottom of the furnace .
  • the work machine is arranged on the support unit via at least one first positioning unit.
  • the working machine is thus not directly but indirectly connected to the carrying unit.
  • the working machine can preferably be arranged on the upper side of the support unit. It is also conceivable that the work machine can be attached to the underside of the support unit. Furthermore, it should already be mentioned at this point that several working machines can also be arranged on the top and / or bottom at the same time. So it is conceivable that manual work or controls are carried out by the worker on the upper side and fully automatic work is carried out by the working machine on the lower side at the same time.
  • the work machine mentioned can be a robot.
  • a robot is a machine that is usually used to relieve people of frequently recurring mechanical work. Usually, robots can be controlled semi-automatically or fully automatically by computer programs in order to carry out the desired work.
  • the work machine can also consist only of an automatic masonry machine, a spraying machine, a construction machine, percussion hammer, a support or holding arm or the like. Ideally, the work machine can perform one or more functions one after the other or even simultaneously.
  • the positioning unit is expediently actuated by at least one drive in order to be able to position the working machine independently on the support unit.
  • An electric motor or hydraulics or a problem can serve as a drive here.
  • the positioning unit can also expediently be activated.
  • a second positioning unit is present on the support unit in addition to the first positioning unit and the second positioning unit positions the first positioning unit, the working machine being positionable on the second positioning unit by the first positioning unit and the second positioning unit.
  • the existing positioning units can preferably be actuated by at least one or more (controllable) drives.
  • the work platform and / or the work machine has at least one sensor system with at least one sensor, the at least one sensor in particular being designed as a camera, proximity sensor, position sensor, shock sensor, inclination sensor, force sensor or the like.
  • the sensor system automatically detects obstacles, objects or residues that were not foreseen in order to prevent collisions between the positioning units and the machine.
  • the aforementioned sensor system can also be used to adjust and position the positioning units and / or the work machine.
  • the support unit furthermore has a transmission system for data exchange with which at least the data recorded by the sensor system can be sent and / or data for controlling at least the first positioning unit and / or the second positioning unit and / or the working machine can be received and / or or can be sent.
  • a unidirectional or bidirectional data interface to a control unit can thus be implemented through the transmission system.
  • This transmission system enables the entire working platform with the positioning units and the working machines to be controlled remotely. This means that no worker has to work in the furnace to operate the machines. Thanks to the optionally available sensor system, the work carried out automatically by the working machines can also be carried out externally, e.g. B. in the control unit be monitored.
  • the control data and / or control data can be connected to cables or transmitted wirelessly through a preferably standardized bus system between the transmission system and the control unit. Data communication between the individual technical devices on the work platform can also be implemented using the existing transmission system.
  • the work machine is designed as a robot (as already mentioned), the robot being designed in particular with at least one joint, preferably 2 joints and particularly preferably 3 joints.
  • the robot is preferably connected to the second positioning unit and is designed in a manner comparable to a construction crane or excavator with an articulated working arm.
  • a tool head with a tool holder for a tool, for example a chisel, gripping arm, spray nozzle, outlet, drill, scraper, suction device, shovel or the like.
  • the working machine itself can be controlled by its own drive. Hydraulic elements or pneumatic elements can be provided for this purpose. Independent of the two positioning units, the work machine thus has its own work space in which it can work.
  • the work machine has a rotation angle positioning unit which is fastened in particular on the second positioning unit and enables the work machine or the work arm to rotate about a vertical axis.
  • the work machine's own working space can thus also be increased significantly. In this way, the workload of the machine in the furnace can also be optimized.
  • the support unit has a lower, in particular grid-like surface on the top, on which the positioning units and the work machine are arranged, and an upper surface on the top, which is formed by at least one step board.
  • the mentioned running boards can, however, optionally be attached to the top of the support unit.
  • the supporting boards themselves can also consist of a fine-meshed grid.
  • the first positioning unit is designed as a radial positioning unit and in particular has a turntable.
  • the working machine which is fastened directly or indirectly via the second positioning unit, can thus be freely rotated in relation to the support unit in order to be able to reach every corner of the inner wall of the furnace from a radial point of view.
  • the second positioning unit is designed as a linear positioning unit and in particular has a rack or telescopic cylinder.
  • the working machine can thus be arranged to be longitudinally displaceable relative to the carrying unit. Since the second positioning unit is ideally coupled to the first positioning unit, a large working space can be achieved for the working machine due to the rotatability and longitudinal displacement.
  • This also has the advantage that the working platform can be held at a defined height in the furnace and a large area of the interior can still be processed. Thus, a few steps to adjust the height of the work platform are sufficient to be able to work on the entire interior of the furnace.
  • the working machine is arranged on a slide which can be moved by the second positioning unit.
  • the slide expediently represents a component of the second positioning unit. Overall, great stability can thus be achieved for the work machine, so that it is nevertheless securely fixed indirectly to the support unit.
  • the slide can also be used to accommodate different work machines, so that a variable use of different work machines is possible.
  • the second positioning unit is arranged eccentrically on the first positioning unit.
  • work can preferably be achieved on the outer edge of the support unit by the working machine.
  • no work is carried out on the inner wall of the interior of the furnace, especially in a central area of the support unit.
  • work can only be carried out in the center of the furnace in the ceiling area.
  • the aforementioned positioning units for fastening and positioning the working machines can be provided both on the upper side and on the lower side of the support unit.
  • the support unit has at least one fixing support, which in particular can be extended telescopically and is suitable for supporting the support unit on the furnace.
  • several fixing supports are used to radially secure the support unit in the interior of the furnace.
  • the fixing supports are expediently attached in the outer area of the support unit. This also prevents unwanted movements and vibrations of the support unit when using the machine. Since the working platform is otherwise only secured hanging in the interior, the use of the fixing supports to secure the support unit can achieve a firm feeling with a stable base for the workers.
  • the support unit has at least one suspension receptacle, in particular for a support cable or support rod, with the at least one suspension receptacle preferably being adjustably positionable on the support unit.
  • at least 3, preferably 4, particularly preferably 6 suspension mountings are arranged symmetrically to one another on the outer edge of the support unit in order to prevent wobbling.
  • the suspension mounts also allow different suspension ropes or suspension rods to be quickly attached to the support unit. It is also conceivable that the suspension mounts themselves serve to adjust the height of the working platform in the furnace, for example by winding or unwinding the suspension cables themselves.
  • the suspension mounts can also be used to compensate for a flea attachment on the working platform in the furnace.
  • a railing can be arranged on the top and in particular on the edge of the support unit. This serves to support the work so that it cannot get into the gap between the support unit and the furnace wall. Ideally, the railing can be inserted into the support unit from above. The railing can be fully or partially attached to the outer edge of the support unit.
  • the invention also relates to a system for processing an interior of a furnace, in particular for demolishing or removing an inner lining of a furnace. It is provided here that the system has a working platform according to one of claims 1 to 13, as well as a control unit arranged outside the furnace, through which at least the working platform or the work machine at least partially is controllable.
  • the system according to the invention thus brings the same advantages as have been described in detail with reference to the work platforms.
  • the system can be suitable for installing the interior of the furnace or for carrying out repairs, cleaning or other work on the interior of the furnace.
  • This work can be carried out fully automatically by the existing work machines, with the control being carried out by the external control unit.
  • Manual work on the work platform can also be carried out by the worker, namely at the same time or at a different time to the work performed by the work machines, as already described.
  • a suspension is also provided and is suitable for positioning the support unit, in particular vertically (in the interior of the furnace), the suspension being arranged in particular above the working platform.
  • the suspension can consist of support ropes and / or support rods.
  • the suspension mounts on the support unit can be used to attach the suspension ropes or suspension rods.
  • the system has an elevator system which is suitable for transporting people from the working platform and there, in particular transporting people at least between the suspension and the working platform.
  • the elevator system is expediently arranged in the center of the support unit.
  • a central breakthrough or opening in the support unit can be present for the elevator system to pass through.
  • This breakthrough can also be appropriately secured by a railing.
  • the invention also relates to a method for processing an interior of a furnace, in particular for demolishing or producing an inner lining of a furnace, having at least the following steps: to 13, at a defined height in the interior of the furnace; b) lateral fixing of the working platform, in particular with the aid of at least one fixing support, in the interior of the furnace; c) Positioning the working machine with the aid of a first positioning unit. It is provided here that the first positioning unit is connected to the carrying unit; d) operating the machine; whereby the furnace is processed.
  • the method according to the invention thus brings the same advantages as have been mentioned in detail with reference to the working platform according to the invention and the system according to the invention.
  • the method can be carried out with the working platform according to the invention and / or with the system according to the invention.
  • the method can be suitable for performing fully automatic as well as partially automatic work by the machine in the interior of the furnace, which can be checked personally by a worker.
  • steps a) -d) is controlled starting from a control unit which is located outside the furnace.
  • Fig. 1 three-dimensional view of a hanging work platform with a
  • FIG. 3 shows a schematic view of the system according to the invention with the suspended working platform and two working machines arranged downwards in an interior space of the furnace and an external control unit
  • Fig. 4 is a three-dimensional view of the suspended working platform provided with running boards and a side and central railing for securing and
  • Fig. 5 is a three-dimensional view of a further hanging work platform provided with running boards and a central railing for securing.
  • the working platform 100 for processing an interior 11 of a furnace 10, in particular for demolishing or removing an inner lining 12 of the furnace 10, is shown in a three-dimensional view.
  • the furnace 10 is shown in a longitudinal section with the corresponding working platform 100 in FIG.
  • the work platform 100 has a support unit 110 with a top side 110.1 and a bottom side 110.2, the support unit 110 serving to fasten at least one work machine 130 to it.
  • the support unit 110 is constructed like a frame with rods and struts which are held together via connection points. This also makes it possible to adapt the shape and size of the support unit 110 to the cross section of the interior of the furnace 10.
  • the support unit 110 can be configured as a support frame by means of the rods and struts and is particularly stable and is nevertheless light.
  • the support unit 110 is constructed similarly to a spider web and has a circumferential outer edge.
  • suspension receptacles 150 for carrying ropes and carrying rods 151 On this circumferential outer edge there are suspension receptacles 150 for carrying ropes and carrying rods 151, with the aid of which the working platform 100 can be lowered from the upper edge of the furnace 10 into the interior 11.
  • the entire working platform 100 can thus be arranged in a height-adjustable manner in the interior space 11 of the furnace 10 by means of the support ropes or support rods 151.
  • work on the inner lining 12 of the furnace 10 can be carried out either fully automatically or partially automatically and also manually by a worker at the desired points in the interior.
  • tread surfaces 112 must be attached to the top 110.1 so that a worker has a firm footing and finds closed ground for his work on the work platform 100 or the support unit 110 (see FIGS. 4 and 5).
  • At least one working machine 130 is additionally provided on the support unit 110.
  • at least one first positioning unit 120 is additionally provided, to which the work machine 130 can be fastened.
  • at least one second positioning unit 140 is present on the support unit 110, the second positioning unit 140 being coupled to the first positioning unit 120 and the second positioning unit then being coupled to the work machine 130 a carriage 160 receives.
  • the work machine 130 is thus indirectly connected to the support unit 110 via the first and second positioning units 120, 140.
  • the movement of the first positioning unit is transmitted to the second positioning unit with the working machine 130.
  • the entire second positioning unit 140 with the work machine 130 is also moved as a result.
  • the movement of the second positioning unit 140 only affects a positioning of the working machine 130 and not a positioning of the first positioning unit 120.
  • the second positioning unit 140 is connected in series with the first positioning unit 120. So that the positioning units 120, 140 can be actuated automatically, corresponding drives can be provided which consist of electric motors, hydraulic systems or the like.
  • the first positioning unit 120 is arranged centrally on the support frame of the support unit 110 on the upper side 110.1.
  • the first positioning unit 120 is preferably designed as a radial positioning unit and has a turntable.
  • the second positioning unit 140 and / or the work machine 130 can be rotated through 360 ° relative to the support unit 110.
  • the second positioning unit 140 is advantageously designed as a linear positioning unit and has a rack or telescopic cylinder in order to produce a linear displacement of the working machine 130.
  • the work machine 130 can thus be displaced longitudinally by the second positioning unit 140. Since the second positioning unit 140 on the is attached to the first positioning unit 120, the work machine 130 as a whole can thus have a large work space that can be processed fully automatically.
  • the working platform 100 expediently also has a transmission system 190.
  • This transmission system 190 allows data to be exchanged between the devices (including one another) of the work platform 100 and an external control unit 1200.
  • the entire work platform 100 can thus be remotely controlled by the external control unit 1200.
  • the data can be transmitted in a wired or wireless manner, in particular via standardized data interfaces.
  • At least one sensor system 180 is provided on the work platform 100 in order, for example, to record the exact position of the work platform 100 or movements of the work platform 100 by measurement and as sensor data of the control unit 1200 or the devices of the work platform 100, such as the Example to make the positioning units 120, 140 or the work machine 130 available.
  • the sensor system 180 can include, for example, a sensor in the form of a camera or a proximity sensor, a position sensor, a shock sensor, an inclination sensor, a force sensor or the like.
  • retractable fixing supports 170 can also be provided on the carrying unit 110.
  • the entire working platform 100 can be clamped laterally or radially in the interior 11 by means of these fixing supports 170, so that the working platform 100 is arranged in the furnace 10 in a particularly firm and stable manner. Shaking and swaying of the working platform 100 can thus be reliably prevented.
  • the machine 130 is shown as a component or device of the work platform 100, this is a robot that can be completely remote-controlled and the type of construction is similar to a construction crane or excavator with a working arm.
  • the work machine 130 has a base part in which a rotational angle positioning unit 131 is contained, as a result of which the work arm can be rotated through 360 °.
  • the working arm has several joints 132 and is thus configured in sections. The individual sections of the working arm are movably connected to hydraulic elements 133 via the joints 132, as a result of which the arm can be operated freely.
  • a tool head 134 with a tool holder is arranged at its free end of the working arm. In the FIG.
  • FIG. 2 shows, by way of example, a tool 135 in the form of a chisel egg received in the tool holder.
  • at least one sensor 181 can likewise be arranged on the work machine, preferably on the tool head 134.
  • the working environment of the work machine 130 can be recorded by measurement, in order, for example, to avoid collisions for the work machine 130 with the furnace or other parts.
  • the work machine 130 shown in FIG. 2 is only an example and can be supplemented or replaced by other work machines.
  • the system 1000 is shown in FIG. Here, a longitudinal section through the furnace 10 is shown in order to obtain an insight into the interior 11.
  • a suspension 1100 is arranged in the upper region of the furnace.
  • the working platform 100 is fastened to this suspension 1100 in a height-adjustable manner via the support cables or support rods 151.
  • the system 1000 can also have an elevator system 1110, which is arranged as centrally as possible to the furnace 10 and also centrally to the support unit 110 or to the work platform 100. Through the elevator system 110, workers can reach the lowered work platform 100 from above via the suspension 1100.
  • the entire work platform 100 does not have to be moved up and down in the furnace 10 so that a worker can get to the work platform 100, but can use the existing elevator system 1110 for this.
  • the entire system 1000 can be operated remotely from the outside of the furnace 10 and thus externally via a control unit 1200.
  • a control unit with which the work platform 100 can be operated fully automatically and partially automatically can be present in the control unit 1200.
  • An image can be transmitted to the control unit 1200 via the existing sensor system 180 on the work platform 100, so that a control technician can react at any time to the actual situation in the interior 11 of the furnace 10. It is therefore not necessary for manual work to be carried out in the furnace 10 by a worker.
  • the working platform 100 is provided with a large step surface 112 on the upper side 110.1 of the support unit 110.
  • the entire border is the Step 112 secured with an outer and inner railing 114.
  • This railing 114 can, for example, be plugged into the support unit 110 from above and gives a worker a secure hold on the work platform 100 Railing 114 is secured.
  • a door with a safety lock (as already mentioned) is preferably present in the inner railing 114, which door can ideally only be opened when the elevator closes the opening or the opening 116. Otherwise, the fixing supports 170 can also be clearly seen in FIG. 4 on the support unit 110.
  • the support unit 110 is designed from a support frame with a recess 111, these are covered with the step surface 112.
  • the step surface 112 is designed as a fine-meshed grid in order to keep the weight of the entire work platform 100 as low as possible.
  • FIG. 5 shows a further working platform 100 which is only provided with an inner railing 114 for the central opening 116 in the support unit 110.
  • the individual tread surfaces 112 on the top side 110.1 of the support unit 110 are designed as arcuate segments and form a complete cover (except for the opening 116) of the top side 110.1.
  • the working platform 100 is fastened to corresponding suspension receptacles 150 via a total of four support cables or support rods 151. This working platform 100 can be reached by the worker in the interior 11 of the furnace 10 via the elevator system 1110.
  • the working platform 110 is of modular construction and can thus be individually adapted to the respective furnace 10 in which it is to be used.
  • the work platform 100 can also be easily adapted here to the work to be carried out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

L'invention concerne une plate-forme de travail (100) pour le traitement d'une chambre intérieure (11) d'un four (10), en particulier pour la démolition ou la production d'un garnissage intérieur (12) du four (10), ladite plate-forme comprenant une unité de transport (110) comportant un côté supérieur (110,1) et un côté inférieur (110.2), et au moins une machine de travail (130) disposée sur l'unité de transport (110). Selon l'invention, au moins une première unité de positionnement (120) est disposée sur l'unité de transport (110), de préférence sur le côté supérieur (110.1), la machine de travail (130) pouvant être positionnée par la première unité de positionnement (120).
PCT/EP2021/068217 2020-07-03 2021-07-01 Plate-forme de travail pour fours WO2022003121A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020117605.8A DE102020117605A1 (de) 2020-07-03 2020-07-03 Arbeitsbühne für Öfen
DE102020117605.8 2020-07-03

Publications (1)

Publication Number Publication Date
WO2022003121A1 true WO2022003121A1 (fr) 2022-01-06

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ID=77071451

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/068217 WO2022003121A1 (fr) 2020-07-03 2021-07-01 Plate-forme de travail pour fours

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DE (1) DE102020117605A1 (fr)
WO (1) WO2022003121A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436120A (en) * 1964-08-13 1969-04-01 J J Grady Co Inc Blast furnace teardown apparatus
DE1433432A1 (de) 1963-07-04 1969-04-03 Krupp Gmbh Vorrichtung zum Ausmauern metallurgischer OEfen,insbesondere von Konvertern
DE3214990A1 (de) 1981-04-23 1982-11-18 Nippon Steel Corp., Tokyo Vorrichtung zum reparieren der auskleidung von hochoefen
DE3413806C1 (de) * 1984-04-12 1985-01-31 Mannesmann AG, 4000 Düsseldorf Einrichtung zum Ausmauern von metallurgischen Gefaessen,insbesondere von Stahlwerkskonvertern
DE3932145A1 (de) * 1988-11-09 1990-05-10 Wurth Paul Sa Automatisierte anlage zum anbringen von mauerwerk auf einer wand
JPH07316614A (ja) * 1994-05-18 1995-12-05 Sumitomo Metal Ind Ltd 高炉の炉内壁補修装置
AT7707U1 (de) 2004-11-17 2005-07-25 Franz Ing Dall Handhabungsgerät für feuerfestmaterial bzw. steine mit integrierter arbeitsbühne zur konverter-auskleidung
WO2009000060A1 (fr) * 2007-06-26 2008-12-31 Anmar Mechanical And Electrical Contractors Limited Plate-forme de travail montant le long d'un mât pour l'entretien de hauts-fourneaux
DE102010063829A1 (de) * 2010-07-28 2012-02-02 Sms Siemag Ag Arbeitsbühne und deren Verwendung
KR20130066013A (ko) * 2011-12-12 2013-06-20 주식회사 포스코 전로 내 내화물 축조장치

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1433432A1 (de) 1963-07-04 1969-04-03 Krupp Gmbh Vorrichtung zum Ausmauern metallurgischer OEfen,insbesondere von Konvertern
US3436120A (en) * 1964-08-13 1969-04-01 J J Grady Co Inc Blast furnace teardown apparatus
DE3214990A1 (de) 1981-04-23 1982-11-18 Nippon Steel Corp., Tokyo Vorrichtung zum reparieren der auskleidung von hochoefen
DE3413806C1 (de) * 1984-04-12 1985-01-31 Mannesmann AG, 4000 Düsseldorf Einrichtung zum Ausmauern von metallurgischen Gefaessen,insbesondere von Stahlwerkskonvertern
DE3932145A1 (de) * 1988-11-09 1990-05-10 Wurth Paul Sa Automatisierte anlage zum anbringen von mauerwerk auf einer wand
JPH07316614A (ja) * 1994-05-18 1995-12-05 Sumitomo Metal Ind Ltd 高炉の炉内壁補修装置
AT7707U1 (de) 2004-11-17 2005-07-25 Franz Ing Dall Handhabungsgerät für feuerfestmaterial bzw. steine mit integrierter arbeitsbühne zur konverter-auskleidung
WO2009000060A1 (fr) * 2007-06-26 2008-12-31 Anmar Mechanical And Electrical Contractors Limited Plate-forme de travail montant le long d'un mât pour l'entretien de hauts-fourneaux
DE102010063829A1 (de) * 2010-07-28 2012-02-02 Sms Siemag Ag Arbeitsbühne und deren Verwendung
KR20130066013A (ko) * 2011-12-12 2013-06-20 주식회사 포스코 전로 내 내화물 축조장치

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