EP2516086A1 - Schiebeverschluss für einen metallurgischen behälter - Google Patents
Schiebeverschluss für einen metallurgischen behälterInfo
- Publication number
- EP2516086A1 EP2516086A1 EP10801135A EP10801135A EP2516086A1 EP 2516086 A1 EP2516086 A1 EP 2516086A1 EP 10801135 A EP10801135 A EP 10801135A EP 10801135 A EP10801135 A EP 10801135A EP 2516086 A1 EP2516086 A1 EP 2516086A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sliding closure
- inner part
- housing
- slide unit
- spout
- 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.)
- Granted
Links
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
- B22D41/24—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 characterised by a rectilinearly movable plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
-
- 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
-
- 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
Definitions
- the invention relates to a sliding closure for a metallurgical container according to the preamble of claim 1.
- Slide closures of this type are known in various embodiments.
- the document EP 1 1 19 428 discloses, for example, a sliding closure comprising two refractory closure plates with a metal housing which can be fastened to the container and accommodates the upper closure plate and a container-side refractory inlet sleeve.
- the bottom closure or slide plate serving to open and close a spout opening is located in a metal slide.
- CONFIRMATION COPY Berein arranged, which additionally receives a subsequent to the slide plate refractory spout.
- the refractory parts of the sliding closure in particular the two closure plates, but also the container-side intake hoses and the sealing plate sealingly connected to the pouring spout are subjected to severe wear and must therefore be replaced regularly.
- the housing accommodating the inlet sleeve and the upper closure plate as well as the slide unit and the slide unit containing this outlet hood are subjected to great stress, in particular in the area surrounding the pouring sleeve or the inlet sleeve, close to the flow opening. where the highest temperatures prevail and therefore the strongest tensions arise.
- the sliding closure undergoes a strong heating from below, so that in particular this pouring sleeve receiving the slide unit is subjected to extremely high levels of thermal stress.
- sliding closures which comprise a slide plate displaceable between two stationary closure plates (cf., for example, EP 0 891 829 A1), in which the housing which can be fastened to the container has, in addition to the two stationary closure plates, also the inlet sleeve and the pouring sleeve or the Casting tube absorbs.
- the present invention has been based on the object to provide a sliding closure of the type mentioned, which withstands the high temperatures resulting from the glaze better.
- the object is achieved according to the invention by a sliding closure according to the features of claim 1.
- the housing attachable to the container and / or the slide unit is provided with an inner part enclosing the spout sleeve or the inlet sleeve, which is releasably connected to the remaining part of the housing or the slide unit and thermally expandable relative thereto, are just starting Where the highest temperatures prevail, the stresses in the slide unit or in the housing are reduced and the risk of cracks is considerably reduced.
- sliding closures which are equipped with two or more closure plates, it is in particular the slide unit, which is additionally exposed from the bottom of a strong heating and can be effectively protected by the inventive two-part design.
- the invention is also applicable to sliding closures comprising two fixed closure plates and a slide plate slidable therebetween.
- the housing which can be fastened to the container, which receives the pouring sleeve (or a pouring tube) in its lower area and is subjected to particularly intense heating from below.
- this housing can be formed in two parts, at least in the area enclosing the spout, and can have a thermally expandable inner part.
- Fig. 2 shows a part of the sliding closure of FIG. 1 in a perspective exploded view
- Fig. 3 shows a part of the sliding closure according to Fig. 1 in cross section along the axis of the flow opening.
- the sliding closure 1 shows a sliding closure 1 for a metallurgical container, which may be, for example, a molten steel ladle used in a continuous casting plant.
- the container itself is not apparent from the drawing.
- the sliding closure 1 has a fastened to the container metal housing 2, in which an upper closure plate 3 is held from a refractory material, pressed against a container side, also refractory inlet sleeve 4, which is guided into a container hole punch, not shown.
- the spout opening 10 defined by the inlet sleeve 4 and the upper closure plate 3 with its through-opening 3a can be partially or completely closed.
- the terminal 1 1 of the slider unit 6 is indicated to a displacement causing linear actuator.
- the two closure plates 3, 5 are centered in the respective housing by means of centering members 13 in a manner known per se and not further described below.
- the slide unit 5 accommodating the slide plate 5 and the pouring sleeve 8 is provided with an inner part 7a enclosing the pouring sleeve 8, which is detachably connected to the remaining part 7b of the slide unit 6 and thermally expandable with respect to it.
- the inner part 7a which is also apparent from Fig. 2, two diametrically opposed flange 17, 18, with which it can be guided into corresponding grooves 19 of the other slide unit 7b and then screwed with this.
- shoulder screws 20 and for this in the one flange 17, a fitting opening 21 and in the other flange 18 a slot 22 are provided.
- the one fitting shoulder screw 20 and the fitting opening 21 of the inner part which is in a bayonet-type connection in its lower portion 27 with the already mentioned bracing member 9 for bracing the spout 8 with the overlying closure plate 5, allows the slot 22 a thermal expansion of the inner part 7a transverse to the axis A of the spout opening 10.
- a radial air gap 28 is present, which forms a kind of temperature barrier between the spout 8 and the two-part slide unit 6.
- the fitting shoulder screws 20 screwed into the slide unit 6 are advantageously arranged in a longitudinal center plane of the slide fastener.
- that flange portion 22 of the inner part is provided with the slot 22 for the fitting shoulder screw 20, the at Moving the slide unit 6 is closer to the axis A of the spout opening in the closed position and is therefore exposed to the greater temperature, for example, in a throttle position of the sliding closure.
- the housing 2 which can be fastened to the container is also designed in two parts and provided with a preferably annular inner part 2 a enclosing the inlet sleeve 4.
- This serving as a wear ring inner part 2a is detachably connected via a number of axially directed, distributed over the circumference fastening bolts 30 with the rest of the housing 2b.
- the inner part 2a has a conical, upwardly tapering inner surface 31, which rests on a conical, upwardly tapering outer shoulder surface 32 of the inlet sleeve 4. Cylindrical inner surfaces 33, 34 adjoin the conical inner surface 31, wherein a radial air gap 35 is present between these cylindrical inner surfaces 33, 34 and the outer circumference of the inlet sleeve 4.
- the housing 2 which can be fastened to the container, but above all the housing frame 7 of the slide unit 6, is designed in two parts and has an inner part 2a enclosing the pouring sleeve 8 or the inlet sleeve 4; 7a is provided, are formed with the air gaps and thermal expansion is possible, just in the places where the greatest temperatures prevail, the stresses in the housing frame 7 and in the housing 2 degraded and the risk of cracks, significantly reduced.
- sliding closures which are equipped with two closure plates, it is the slide unit 6, which is additionally exposed from the bottom of a strong heating and can be effectively protected by the inventive two-part design. According to Fig.
- this upper the inlet sleeve 4 centering, designed as a ring inner part 2a and on the other hand in the housing 2 containing and the inlet sleeve 4 partially surrounding inner part 2a 'is provided.
- This inner part 2a ' is formed in two parts and, advantageously, it is arranged at a distance from the inlet sleeve 4.
- the invention is also applicable to sliding closures comprising two fixed closure plates and a slide plate slidable therebetween.
- the housing attachable to the container, which receives in its lower part the spout (or a pouring tube) and is exposed from the bottom of the particularly strong heating.
- this housing can be formed in two parts, at least in the area enclosing the spout, and can have a thermally expandable inner part.
- this housing could also be equipped with a further inner part in the region of the inlet sleeve.
- Cast iron or spheroidal cast iron is particularly suitable as the housing material.
- the inner parts 7a, 2a and the other housing sections 7b, 2b can also consist of different materials.
- the fasteners such. B. the passport shoulder screws 20 are also made of a temperature-resistant material as possible.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH02016/09A CH702467B1 (de) | 2009-12-21 | 2009-12-21 | Schiebeverschluss für einen metallurgischen Behälter. |
PCT/EP2010/007790 WO2011085787A1 (de) | 2009-12-21 | 2010-12-20 | Schiebeverschluss für einen metallurgischen behälter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2516086A1 true EP2516086A1 (de) | 2012-10-31 |
EP2516086B1 EP2516086B1 (de) | 2018-11-07 |
Family
ID=43558154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10801135.4A Active EP2516086B1 (de) | 2009-12-21 | 2010-12-20 | Schiebeverschluss für einen metallurgischen behälter |
Country Status (6)
Country | Link |
---|---|
US (1) | US8939331B2 (de) |
EP (1) | EP2516086B1 (de) |
KR (1) | KR101872036B1 (de) |
CN (1) | CN102834205B (de) |
CH (1) | CH702467B1 (de) |
WO (1) | WO2011085787A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2371471A1 (de) * | 2010-03-19 | 2011-10-05 | Vesuvius Group S.A | Interne Düse für den Transfer von flüssigem Metall in einem Behälter, Einspannsystem für diese Düse und Ausflussvorrichtung |
CN109877306B (zh) * | 2017-11-10 | 2021-12-24 | 维苏威集团有限公司 | 包括卡口式自由集液管口的底板组件 |
EP3851225A1 (de) | 2020-01-15 | 2021-07-21 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss für ein metallurgisches gefäss |
CN113000830A (zh) * | 2021-02-25 | 2021-06-22 | 佟长功 | 一种安全耐材钢水流量控制器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4561573A (en) * | 1982-08-20 | 1985-12-31 | Flo-Con Systems, Inc. | Valve and replaceable collector nozzle |
US4582232A (en) * | 1984-06-19 | 1986-04-15 | Flo-Con Systems, Inc. | Valve, clamp, refractory and method |
DE3500866A1 (de) | 1985-01-12 | 1986-07-17 | Stopinc Ag, Baar | Schiebeverschluss fuer den ausguss an metallurgischen gefaessen, insbesondere stahlgiesspfannen |
DE3500865A1 (de) | 1985-01-12 | 1986-07-17 | Stopinc Ag, Baar | Schiebeverschluss, insbesondere fuer stahlschmelze enthaltende gefaesse |
WO1992017298A1 (de) | 1991-04-06 | 1992-10-15 | Technometal Gesellschaft für Metalltechnologie mbH | SCHIEBERVERSCHLUSS FüR SCHMELZEGEFÄSSE |
CA2242501C (en) | 1997-07-16 | 2009-06-16 | Werner Keller | Sliding gate valve for a vessel containing molten metal |
WO2000006325A2 (de) * | 1998-07-26 | 2000-02-10 | Stopinc Aktiengesellschaft | Schiebeverschluss für einen metallschmelze enthaltenden behälter |
KR101005647B1 (ko) * | 2002-03-25 | 2011-01-05 | 스토핑크 아크티엔게젤샤프트 | 야금용기용 슬라이드 게이트 및 야금용기용 슬라이드 게이트를 작동시키기 위한 방법 |
-
2009
- 2009-12-21 CH CH02016/09A patent/CH702467B1/de unknown
-
2010
- 2010-12-20 CN CN201080059007.0A patent/CN102834205B/zh active Active
- 2010-12-20 EP EP10801135.4A patent/EP2516086B1/de active Active
- 2010-12-20 WO PCT/EP2010/007790 patent/WO2011085787A1/de active Application Filing
- 2010-12-20 US US13/517,071 patent/US8939331B2/en active Active
- 2010-12-20 KR KR1020127016048A patent/KR101872036B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2011085787A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102834205B (zh) | 2016-07-06 |
KR101872036B1 (ko) | 2018-06-27 |
KR20120106770A (ko) | 2012-09-26 |
US8939331B2 (en) | 2015-01-27 |
CN102834205A (zh) | 2012-12-19 |
CH702467A2 (de) | 2011-06-30 |
EP2516086B1 (de) | 2018-11-07 |
CH702467B1 (de) | 2021-07-15 |
WO2011085787A1 (de) | 2011-07-21 |
US20120273532A1 (en) | 2012-11-01 |
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