WO2022238564A1 - Verfahren zur instandstellung eines schiebeverschlusses an einem metallschmelze enthaltenden gefäss, sowie ein schiebeverschluss - Google Patents
Verfahren zur instandstellung eines schiebeverschlusses an einem metallschmelze enthaltenden gefäss, sowie ein schiebeverschluss Download PDFInfo
- Publication number
- WO2022238564A1 WO2022238564A1 PCT/EP2022/063048 EP2022063048W WO2022238564A1 WO 2022238564 A1 WO2022238564 A1 WO 2022238564A1 EP 2022063048 W EP2022063048 W EP 2022063048W WO 2022238564 A1 WO2022238564 A1 WO 2022238564A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- holder
- linear drive
- plug
- sliding closure
- electrical
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 238000012423 maintenance Methods 0.000 title abstract 3
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 11
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/28—Plates therefor
- B22D41/34—Supporting, fixing or centering means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/38—Means for operating the sliding gate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/42—Features relating to gas injection
Definitions
- the invention relates to a method for repairing a slide closure on a vessel containing molten metal, which has a housing, a slide unit guided longitudinally therein, a holder, a linear drive that can be used in this for adjusting the slide unit, at least one electrical and/or a connecting line for a medium such as gas or air, wherein the linear drive can be preferably inserted and/or removed by a robot, and that the connection of the at least one electrical and / or the connection line for the medium takes place by a plug-in process, and a sliding closure.
- a known slide closure according to the document EP-A-3 424 618 is provided with a slide housing, a slide unit guided longitudinally therein with a push rod, a holder and a linear drive with a drive rod which is removably fastened in the latter.
- This drive rod can be connected to the push rod of the slide unit by a coupling, which, when the linear drive is pushed into the holder, is coupled by moving the drive rod against the slide unit, while when the linear drive is removed from the holder, it is uncoupled transversely to the direction of movement of the drive rod.
- the publication CN 110394621 discloses an assembly and disassembly system for repairing a sliding closure, in which an assembly seat with retaining grooves and a cylinder unit that can be replaced in this for adjusting a slide is provided, the cylinder unit being operated by a clamping device of a robot and can be inserted into the retaining grooves of the assembly seat.
- This pressure lever is also located below the cylinder unit and is movably attached to it. It can be moved by a corresponding adjusting drive in the robot's clamping device.
- the invention has for its object to provide a method for the in- stand position of a sliding closure, in which in a structurally simple manner improved handling for mounting the linear drive and the connection of plug connections for at least one electrical and / or a Line connection for the supply of media, such as gas or air, is made possible, and this should preferably be designed for execution by means of a robot or manipulator.
- connection line is automatically inserted when the linear drive is pushed into the holder and/or released when it is removed from the holder.
- the object is also achieved by a sliding closure for the method, with the linear drive and the holder being assigned pairs of at least one electrical plug part and/or at least one valve plug part for the medium of the at least one connecting line, such that these are automatically plugged into the holder when the linear drive is pushed in and thus cause the connection of the respective connecting line or are automatically released when the linear drive is removed from the holder.
- the at least one electrical line and/or the connection line for the medium is/are connected by a plug-in process, preferably to at least one supply source.
- the at least one connection line is preferably connected to an external power, gas or air pressure source.
- a power supply for at least one consumer unit such as a measuring and evaluation device for early slag detection or for inductive heating or the like, can be produced from an electrical connection line.
- the outflowing molten metal can be gas-sealed or mechanical components and/or refractory parts in the sliding closure can be cooled.
- At least one electrical plug part and/or at least one valve plug part for the medium of the at least one connection line is assigned to the linear drive and the holder in pairs. In this way, when the linear drive is pushed into the holder, they can be automatically inserted and thus cause the respective connection line to be connected and/or be automatically released when the linear drive is removed from the holder.
- the linear drive is preferably pushed into and/or removed from the holder transversely to its direction of adjustment. Due to the space available on the casting platform, this transverse insertion results in excellent accessibility for handling.
- the connection lines are plugged in in the same direction as the direction in which the linear drive was pushed into the holder and/or the connection lines are released in the same direction as the direction in which the linear drive was removed from the holder.
- the plugging and unplugging of the at least one connection line preferably takes place synchronously in opposite directions.
- the sliding closure having a housing, a slide unit guided longitudinally therein, a holder, a linear drive that can be used in this for adjusting the slide unit, and at least one connecting line, the connecting line for an electrical Contact or a liquid or gaseous medium is provided, in which case the linear drive can be inserted and/or removed, preferably by a robot, for repair purposes a connection of the at least one connecting line is made by a plugging process, with this plugging of the at least one connecting line - tion with the insertion of the linear drive into the holder and / or the release of at least one connection line with the removal of the linear drive from the holder takes place automatically.
- FIG. 1 shows a perspective view of a holder and a linear drive that can be accommodated in it before the indicated sliding closure is repaired;
- FIG. 2 shows the holder and the linear drive according to FIG. 1 in an opposite perspective view
- FIG. 3 shows a perspective view or a section of guide means when the linear drive is pushed into the holder
- FIG. 4 shows the perspective view or the section of the guide means according to FIG. 3 in the pushed-in state of the linear drive in the holder;
- FIG. 6 shows the view with the section according to FIG. 5 of the electrical plug parts in the pushed-in state of the linear drive in the holder.
- 1 and 2 show a holder 15 and a linear drive 12, which can be inserted laterally into this, of an indicated slide closure 10 with a slide housing 11 and a slide unit guided longitudinally in this, of which only one push rod 13 protruding into the holder 15 can be seen is.
- Such a sliding closure 10 is known per se in terms of structure and mode of operation and is therefore not shown in further detail. It is particularly suitable for a ladle for pouring molten steel as a vessel in a continuous casting plant. In principle, however, it could also be used at the outlet of other vessels, such as in a converter, a distributor or even in furnaces in the non-ferrous metal sector.
- the linear drive 12 is usually only pushed into this holder 15 and coupled after the ladle filled with molten metal has been placed on a turret on a casting platform of the continuous casting plant.
- This is preferably done by a robot arranged on the casting platform, which automatically determines the exact position of the holder 15 of the sliding closure 10 by means of a detection system that can be mounted on it and then the linear drive 12 designed as a hydraulic piston/cylinder unit a depositing point by means of a corresponding gripping tool, guides it to the sliding closure 10 and pushes it into the holder 15 .
- a robot arranged on the casting platform, which automatically determines the exact position of the holder 15 of the sliding closure 10 by means of a detection system that can be mounted on it and then the linear drive 12 designed as a hydraulic piston/cylinder unit a depositing point by means of a corresponding gripping tool, guides it to the sliding closure 10 and pushes it into the holder 15 .
- this is done in reverse order.
- connection line 16 for media such as gas, air or the like is required for operation during casting, as mentioned at the outset.
- a power supply is produced for at least one consumer unit, such as a measuring and evaluating device for early slag detection or for inductive heating or the like.
- connection lines 17, 18 of the media a gas seal of the outflowing molten metal or a cooling of the mechanical components or the refractory parts in the slide closure is intended in the usual way.
- connection lines 16, 17, 18 are connected to an external power, gas or air pressure source with associated control devices and are coupled for repair by plugging operations on the casting platform at the slide closure 10.
- this repair of the sliding closure 10 for the subsequent pouring off of the melt From the pan this plugging process of the connecting lines 16, 17, 18 takes place automatically when the linear drive 12 is pushed into the holder 15 or, when loosened, when it is removed from the holder 15. In this way, this considerable simplification of handling is achieved, in particular when repairing the sliding closure 10 with a robot, and the process stability for automated casting is increased, so to speak, with this method.
- the linear drive 12 is inserted or removed from the holder transversely to the adjustment direction A of its drive rod 12'.
- the connecting lines 16, 17, 18 are inserted in the same direction as the direction in which the linear drive 12 is pushed into the holder, and the connecting lines 16, 17, 18 are also detached in the same direction as the direction in which the linear drive is removed from the holder Bracket.
- the at least one connection line 16, 17, 18 is preferably inserted and removed in opposite directions.
- the connection lines are plugged in, they are centered first and then move into the plugged-in position.
- the linear drive 12 and the holder 15 are expediently each provided with at least one guide means which are designed in such a way that the linear drive 12 can be pushed transversely into the holder 15 or removed from it.
- the guide means for the linear drive 12 is on the front side, where its drive rod 12' is located, and that on the holder 15 on the back at the free-standing end.
- These guide means are preferably designed as an approximately rectangular flange 22 in the case of the linear drive 12 and as corresponding guide grooves 25 ′ in a C-shaped receiving part 25 in the case of the holder 15 . This flange 22 can be pushed in and out of these guide grooves 25 of the receiving part 25, which are arranged parallel one above the other, and is held in a form-fitting manner during the casting process.
- the guide grooves 25' are arranged inclined inwards at a few degrees to the horizontal. This causes the linear drive to remain securely in the holder, without an operable locking means having to be used.
- the flange 22 of the linear drive 12 also has a laterally extending holding element 20 which can be gripped by the robot's gripping tool.
- the linear drive 12 can also be carried manually.
- connection lines 16 , 17 , 18 are guided along the front side of the holder 15 to the sliding closure 10 and at the rear along the linear drive 12 designed as a cylinder 19 .
- the holder 15 has a wall 15' on one long side, along which the connecting lines are routed, and is open on the other long side so that the drive rod 12' with the coupling head 14 can be inserted therein. From the linear drive 12, these connection lines are routed in bundles through a sleeve 21 that protrudes from the rear of the cylinder 19 and at least one hose (not shown in detail) to these external supply sources. This results in a further advantage of a compact, secure routing of these connection lines 16, 17, 18. As can be seen from Fig. 3 to Fig.
- the linear drive 12 and the holder 15 are each paired with an electrical plug part 26, 36 and two valve plug parts 27, 28 37, 38 for the medium of the connecting lines 16, 17 , 18 assigned in such a way that they are automatically inserted when the linear drive 12 is pushed into the holder 15 and thus cause the connection of the connecting lines 16, 17, 18 or the same are automatically released when the linear drive 12 is removed from the holder.
- One electrical connector part 26 is above the cylinder 19 and the corresponding connector part 36 is arranged free-standing on the side above the receiving part 25 in the holder 15, while the valve connector parts 27, 28 for the medium protrude on the front side of this flange 22 and the two corresponding valve plug parts 37, 38 are fastened on the inside in the receiving part 25, so that the plug parts 26, 36 or the valve plug parts 27, 28 37, 38 are plugged into one another when the flange 22 is pushed into these guide grooves 25' in the receiving part 25.
- a centering means is provided for the prior centering of the pairs of corresponding male valve parts 27, 28, 37, 38 when plugging.
- a protruding centering pin 29 is arranged on the flange 22 and, on the other hand, a receiving sleeve 29' is arranged in the receiving part 25 as a centering means.
- the centering pin 29, which is approximately pointed at the front, is dimensioned longer than the valve plug-in parts 27, 28, so that when the flange 22 is pushed in, it gets into the receiving sleeve 29' before the valve plug-in parts le 27, 28, 37, 38 are pushed into each other.
- the plug-in valve parts 37, 38 with the receiving sleeve 29' are advantageously held in a plate-like device 34, which is mounted floating in the holder 15 transversely to its longitudinal extension, in order to compensate for deviations in the flange 22 from the plug-in valve parts 27, 28. This ensures that this plug-in process can be carried out correctly and with tolerances that conform to the steelworks.
- the flange 22 which is also provided with bevels 22' on the side at the front as a centering aid, is pushed into the guide grooves 25' of the receiving part 25.
- the centering pin 29 gets into this receiving sleeve 29' first, so that the plug-in valve parts 27, 28, 37, 38 are already pre-centered with respect to one another as they are pushed in further.
- the plug-in valve parts consist of known sleeve and closing elements with seals that are not explained in more detail.
- FIG. 4 consequently shows the flange 22 in the end position in the receiving part 25, in which the valve plug parts and the centering means are plugged in.
- a ratchet lever 24 of a ratchet mechanism 23 can also be seen, by means of which automatic transport security is ensured.
- a plug-in stroke limiting pin 33 is shown, which engages in a longitudinal groove in the push rod 13 in order to serve as a stop for the stroke of the latter.
- FIG. 5 and FIG. 5 The two positions of the electrical plug parts 26, 36 when the flange 22 is pushed in and in the end position in the receiving part 25 are illustrated in FIG. 5 and FIG.
- a connector part 26 is a Socket 31 included, while the other plug part 36 has the corresponding plug pins 37 protruding. With the centering via this centering pin 29 in the receiving sleeve 29, there is also a centering of these plug parts 26, 36.
- one plug part 26 is supported by means of an indicated device 39 in a limited articulated or floating manner on the cylinder 12, so that during the plugging process can compensate for inaccuracies.
- a hinged cover 32 is preferably provided for the plug part 36, by means of which the opening in this plug part is closed in the unplugged state in order to prevent contamination in the same.
- the connecting lines 17, 18 are arranged on the side of the flange 22 next to the cylinder 19 on the side near the valve plug-in parts 27, 28 placed on the face side of the flange 22, with which they are connected.
- Both these electrical plug parts 26, 36 and the valve plug parts 27, 28 37, 38 are also designed in pairs to each other so that they each reach the plugged state before the end position of the flange 22 has been reached in the holder 15 and via the remain in the mated state.
- This has the advantage that if the flange cannot be inserted into the end position due to contamination or the like, the electrical or media connection is nevertheless already established over a certain distance of, for example, 10 to 15 millimeters before the end position .
- the invention is sufficiently demonstrated with the exemplary embodiments explained above. However, it could also be explained by further variants. Depending on requirements, only one connection line, be it electrical or for a medium, or more than three of them can be provided.
- the plug parts 26, 36 for the electrical connecting line could also be arranged like the valve plug parts on the side of the flange or on the inside of the receiving part, in which such and at least one valve plug part could also be provided.
- the plug-in valve parts could be arranged above the cylinder 19 like the plug-in parts.
- the guide means and thus the insertion direction of the linear drive 12 and the plug-in process could be inserted or be taken out.
- the guide means and the plug parts or plug-in valve parts would then have to be arranged accordingly, so that, according to the invention, this insertion of the at least one connection line can take place automatically when the linear drive is pushed into the holder or released when it is removed from the holder.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3216528A CA3216528A1 (en) | 2021-05-14 | 2022-05-13 | Method for maintaining a slide gate on a vessel containing a metal melt, and a slide gate |
BR112023021505A BR112023021505A2 (pt) | 2021-05-14 | 2022-05-13 | Método para manter uma comporta deslizante em um vaso contendo um massa fundida de metal, e uma comporta deslizante |
AU2022274311A AU2022274311A1 (en) | 2021-05-14 | 2022-05-13 | Method for the maintenance of a sliding closure on a molten metal-containing vessel, and sliding closure |
EP22728902.2A EP4337403A1 (de) | 2021-05-14 | 2022-05-13 | Verfahren zur instandstellung eines schiebeverschlusses an einem metallschmelze enthaltenden gefäss, sowie ein schiebeverschluss |
KR1020237038982A KR20240007910A (ko) | 2021-05-14 | 2022-05-13 | 금속 용융물을 수용하는 용기 상에서 슬라이드 게이트를 유지보수하기 위한 방법 및 슬라이드 게이트 |
CN202280034868.6A CN117295570A (zh) | 2021-05-14 | 2022-05-13 | 用于维修包含金属熔体的容器处的滑动封闭装置的方法以及滑动封闭装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21173829.9A EP4088837A1 (de) | 2021-05-14 | 2021-05-14 | Verfahren insbesondere zur instandstellung eines schiebeverschlusses an einem metallschmelze enthaltenden gefäss, sowie ein schiebeverschluss |
EP21173829.9 | 2021-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022238564A1 true WO2022238564A1 (de) | 2022-11-17 |
Family
ID=75936715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/063048 WO2022238564A1 (de) | 2021-05-14 | 2022-05-13 | Verfahren zur instandstellung eines schiebeverschlusses an einem metallschmelze enthaltenden gefäss, sowie ein schiebeverschluss |
Country Status (9)
Country | Link |
---|---|
EP (2) | EP4088837A1 (de) |
KR (1) | KR20240007910A (de) |
CN (1) | CN117295570A (de) |
AR (1) | AR125873A1 (de) |
AU (1) | AU2022274311A1 (de) |
BR (1) | BR112023021505A2 (de) |
CA (1) | CA3216528A1 (de) |
TW (1) | TW202302246A (de) |
WO (1) | WO2022238564A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4275813A1 (de) * | 2022-05-13 | 2023-11-15 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss für einen metallschmelze enthaltenden behälter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0875320B1 (de) | 1997-04-30 | 2004-01-21 | Stopinc Aktiengesellschaft | Schiebeverschluss für ein Metallschmelze enthaltendes Gefäss |
US20050242094A1 (en) * | 2002-03-25 | 2005-11-03 | Pierre Gerber | Method for operating a sliding gate, and sliding gate |
EP2039445A1 (de) * | 2006-06-07 | 2009-03-25 | Shinagawa Refractories Co., Ltd. | Schieberventil für automatische oberflächenanwendung |
EP3424618A1 (de) | 2017-07-05 | 2019-01-09 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss für ein metallschmelze enthaltendes gefäss |
CN110394621A (zh) | 2019-07-31 | 2019-11-01 | 湖南镭目科技有限公司 | 一种滑板油缸组件自动装拆系统 |
-
2021
- 2021-05-14 EP EP21173829.9A patent/EP4088837A1/de not_active Withdrawn
-
2022
- 2022-05-13 AU AU2022274311A patent/AU2022274311A1/en active Pending
- 2022-05-13 TW TW111118044A patent/TW202302246A/zh unknown
- 2022-05-13 CN CN202280034868.6A patent/CN117295570A/zh active Pending
- 2022-05-13 AR ARP220101283A patent/AR125873A1/es unknown
- 2022-05-13 EP EP22728902.2A patent/EP4337403A1/de active Pending
- 2022-05-13 CA CA3216528A patent/CA3216528A1/en active Pending
- 2022-05-13 KR KR1020237038982A patent/KR20240007910A/ko unknown
- 2022-05-13 WO PCT/EP2022/063048 patent/WO2022238564A1/de active Application Filing
- 2022-05-13 BR BR112023021505A patent/BR112023021505A2/pt unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0875320B1 (de) | 1997-04-30 | 2004-01-21 | Stopinc Aktiengesellschaft | Schiebeverschluss für ein Metallschmelze enthaltendes Gefäss |
US20050242094A1 (en) * | 2002-03-25 | 2005-11-03 | Pierre Gerber | Method for operating a sliding gate, and sliding gate |
EP2039445A1 (de) * | 2006-06-07 | 2009-03-25 | Shinagawa Refractories Co., Ltd. | Schieberventil für automatische oberflächenanwendung |
EP3424618A1 (de) | 2017-07-05 | 2019-01-09 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss für ein metallschmelze enthaltendes gefäss |
CN110394621A (zh) | 2019-07-31 | 2019-11-01 | 湖南镭目科技有限公司 | 一种滑板油缸组件自动装拆系统 |
Also Published As
Publication number | Publication date |
---|---|
AU2022274311A1 (en) | 2023-10-12 |
EP4088837A1 (de) | 2022-11-16 |
CA3216528A1 (en) | 2022-11-17 |
KR20240007910A (ko) | 2024-01-17 |
TW202302246A (zh) | 2023-01-16 |
AR125873A1 (es) | 2023-08-23 |
EP4337403A1 (de) | 2024-03-20 |
CN117295570A (zh) | 2023-12-26 |
BR112023021505A2 (pt) | 2023-12-19 |
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