EP0963265B1 - Gefäss für metallurgische zwecke - Google Patents
Gefäss für metallurgische zwecke Download PDFInfo
- Publication number
- EP0963265B1 EP0963265B1 EP98909339A EP98909339A EP0963265B1 EP 0963265 B1 EP0963265 B1 EP 0963265B1 EP 98909339 A EP98909339 A EP 98909339A EP 98909339 A EP98909339 A EP 98909339A EP 0963265 B1 EP0963265 B1 EP 0963265B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shield segment
- vessel
- metal casing
- area
- vessel according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 5
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 9
- 230000001747 exhibiting effect Effects 0.000 claims 3
- 230000002787 reinforcement Effects 0.000 abstract 5
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
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
- B22D41/04—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like tiltable
Definitions
- the invention relates to a vessel for metallurgical purposes for the transport of molten metals according to the preamble of claim 1.
- Such vessels not only serve to transport molten metals such as z. B. Pig iron from the blast furnace to the pig iron mixer or from the pig iron mixer to Converter, but can also be a metallurgical treatment vessel.
- molten metals such as z. B. Pig iron from the blast furnace to the pig iron mixer or from the pig iron mixer to Converter, but can also be a metallurgical treatment vessel.
- the thermal load for the Treatment vessel particularly high because of the high process Overheating temperature is driven.
- a vessel has been used for metallurgical purposes proposed (DE 195 38 530 C1), in which, in contrast to the conventional The stiffening rings are not welded onto the outside of the outer surface, but are integrated in the metal jacket. Furthermore, the vascular support pin has supporting plate a short distance from the metal jacket and the top and the lower brim-like edge region of the plate is adjacent to the lying stiffening rings connected, the one attached to the plate Vessel trunnion only extends outwards.
- the stiffening ring closer to the bottom has a thickness that up to a factor of 4 and the second one further away from the ground Stiffening ring a thickness that is up to a factor of 6 greater than that of subsequent metal jacket, the axial extent of the former Stiffening ring is equal to or larger than that of the second, in the event that the vessel is used as a steel pouring pan, the rim of the vessel with a lid attachment connected, which preferably has a frustoconical cross section. to Stiffening of this area is the arrangement of another stiffening ring on Vessel rim provided.
- This well-known vessel is used in combination with load and heat evenly stressed and it can reach an intrinsic temperature of up to 400 ° C resist.
- the disadvantage of this construction is that the welded connections between the stiffening rings and the plate are exposed to large loads and the transition from the stiffening ring to the plate is unfavorable in terms of the lines of force.
- the object of the invention is based on the known vessel, the construction to improve so that the disadvantages described are avoided and the Manufacture of the vessel is simplified.
- the essential modification according to the invention of the known construction relates to the formation of the stiffening rings in the area of the shield segment trained plate.
- Both stiffening rings have a nose-like continuation that is directed upwards and downwards.
- the Shield segment is welded in between the two continuations. With that the joint welds placed in a zone with less stress, so that the fatigue strength of this area is increased.
- the other is the transition from Stiffening ring to the shield segment is very rounded, this rounded in Shield segment continues. This type of training improves the flow of lines of force, so that there is an almost isotensic execution.
- the special shape and location of the two stiffening rings in connection with the shield segment makes it possible towards the otherwise usual stiffening ring arranged on the edge of the vessel dispense.
- the vessel is also in the upper edge area for vessels without a ring lid stiff enough that the arrangement of a wedge angle is sufficient.
- Another feature relates to the type of connection of the vessel support pin with the Shield segment.
- the Trunnion not welded to a plate, but in a hole in the Shield segment welded in.
- too Welding area of the vessel support pin than a larger diameter having flange formed.
- the Sheath of the flange formed roof-like so that only from one side can be welded in, then the root is unscrewed and finally the Counterpart is welded from the other side.
- stiffening rings are made of Segments. This applies in particular to vessels with a oval cross section.
- the individual segments of the stiffening rings then have one different radius, which simplifies the manufacture of the stiffening rings, especially since in this way the area with the nose-shaped Continuation can produce separately.
- the advantage of the vessel according to the invention can be seen in the fact that, on the one hand, too at high intrinsic temperatures there are no impermissible deformations and the Tension in the material of the vessel are evenly distributed.
- One consequence of this is even one that does not change under high weight and temperature loads Geometry of the vessel. This can be seen particularly from the fact that the The trunnions remain horizontal.
- the production is simplified because of dispenses with the otherwise usual stiffening ring arranged on the edge of the vessel can be.
- Figure 1 shows a view of a metallurgical constructed according to the invention Vessel, which is designed here, for example, as a steel ladle 1.
- the Steel ladle 1 consists of a metal jacket and a pan bottom 2.
- the Metal jacket is in this embodiment in three different widths Pipe sections 3 - 5 divided. Depending on the pan height and design, the Number of pipe sections less or larger. Between the pipe sections 3 - 5 two stiffening rings 6, 7 are integrated in the metal jacket.
- the exemplary embodiment is the top edge 8 of the vessel with a ring lid 9 trained lid attachment connected. This ring cover preferably has 9 a frustoconical cross-section.
- a tilt linkage 10 attached to the steel ladle 1 by means of not here to tilt the crane shown.
- FIG. 2 shows in a section in the direction BB in Figure 1, the special cross-sectional shape of the steel ladle 1 shown here.
- the cross-sectional shape is elliptical, the area of the middle pipe section 4 lying behind the respective shield segment 16, 16 'having a very large circular radius R for static reasons.
- FIG. 3 shows the same steel ladle 1 according to FIG. 1 in a section in the direction AA in FIG. 1. In this representation, the individual elements of the steel ladle 1 can be seen better.
- the feet are designated by 13, 13 '.
- the part of the steel ladle 1 designed according to the invention is shown on an enlarged scale in FIG.
- One essential aspect relates to the nose-shaped continuation 17, 18 of the respective stiffening ring 6, 7, which extends upwards for the stiffening ring 6 which is closer to the pan base 2 and downwards for the stiffening ring 7 which is further away from the pan base 2.
- the transition from the respective extension 17, 18 into the actual stiffening ring 6, 7, which can be seen in longitudinal section, is provided with a corresponding radius 19, 20.
- the second aspect relates to the rounding 23, 24 of the respective extension 17, 18 lying in the view, which continuously continues into a corresponding rounding 25, 26 of the shield segment 16 (see FIG. 1).
- the third aspect relates to the welding of the respective trunnion 11, 11 'into one Bore 27 of the respective shield segment 16, 16 '.
- The is advantageous to that Steel casting ladle 1 facing end portion of the trunnion 11 'as a one larger diameter flange 28 formed.
- the jacket 29 of the flange 28 has a roof-like Contour on. This makes it possible to first close one side with a weld provided, then unscrew the root of this first weld and then to weld the opposite side from the other side.
- About contact friction between the trunnion 11 'and the loop 12' to minimize the trunnion 11 ' provided a bearing shell 30.
- the lateral support for the loop 12 ' forms one Scraper plate 31, which is attached by means of a on the end face of the support pin 11 ' Retaining plate 32 is fixed. The attachment takes place in this embodiment Screws 33.
- the middle pipe section 4 of the Metal jacket provided with a small bore 34 (Fig. 4) which is aligned with one in respective supporting pin 11, 11 'arranged larger longitudinal bore 35.
- a measuring device can be inserted to ensure alignment to check the two opposite trunnions 11, 11 '. After the measurement the bore 34 in the metal jacket is closed again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Prostheses (AREA)
- Liquid Crystal Substances (AREA)
Description
- Figur 1
- eine Ansicht eines erfindungsgemäß ausgebildeten Gefäßes
- Figur 2
- einen Schnitt entlang der Linie B-B in Figur 1
- Figur 3
- einen Schnitt entlang der Linie A-A in Figur 1
- Figur 4
- im vergrößerten Maßstab die Ausbildung des Tragzapfens einschließlich der Verbindung mit dem Schildsegment
- Figur 5
- im vergrößerten Maßstab der Tragzapfen
Der erfindungsgemäß ausgebildete Teil der Stahlgießpfanne 1 ist in einem vergrößerten Maßstab in Figur 4 wiedergegeben. Der eine wesentliche Aspekt betrifft die nasenförmige Fortführung 17, 18 des jeweiligen Versteifungsringes 6, 7, die sich für den dem Pfannenboden 2 näher liegenden Versteifungsring 6 nach oben und für den weiter vom Pfannenboden 2 entfernt liegenden Versteifungsring 7 nach unten erstreckt. Der im Längsschnitt zu erkennende Übergang von der jeweiligen Fortführung 17, 18 in den eigentlichen Versteifungsring 6, 7 ist mit einem entsprechenden Radius 19, 20 versehen. Durch diese Art der Ausbildung der Versteifungsringe 6, 7 im Bereich des jeweiligen Schildsegmentes 16, 16' konnten die Verbindungsschweißnähte 21, 22 in eine Zone mit niedrigerer Belastung gelegt werden. Der zweite Aspekt betrifft die in der Ansicht liegende Abrundung 23, 24 der jeweiligen Fortführung 17, 18, die kontinuierlich in eine entsprechende Abrundung 25, 26 des Schildsegmentes 16 sich fortsetzt (siehe Figur 1).
Claims (8)
- Gefäß für metallurgische Zwecke zum Transport von schmelzflüssigen Metallen mit einem eine hitzebeständige Auskleidung aufnehmenden, aus einzelnen rohrförmigen Schüssen zusammengesetzten Metallmantel, der zwei in Umfangsrichtung verlaufende im axialen Abstand zueinander im Metallmantel integrierte Versteifungsringe aufweist und an dem zwei Tragzapfen an der Außenseite gegenüberliegend angeordnet und mittels je einer mit den Versteifungsringen verbundenen Platte abgestützt sind, wobei die Platte einen geringen Abstand zum Metallmantel aufweist und der dem Boden näher liegende Versteifungsring eine Dicke aufweist, die bis um den Faktor 4 und der vom Boden weiter entfernt liegende zweite Versteifungsring eine Dicke aufweist, die bis um den Faktor 6 größer ist als die des anschließenden Metallmantels und die axiale Erstreckung des erstgenannten Versteifungsringes gleich oder größer ist als die des zweiten und ggf. am Gefäßrand ein Deckel aufsatz befestigt ist, der einen kegelstumpfartigen Querschnitt aufweist,
dadurch gekennzeichnet, daß der dem Boden (2) näher liegende erste Versteifungsring (6) im Bereich der als Schildsegment (16, 16) ausgebildeten Platte eine nach oben gerichtete nasenartig ausgebildete Fortführung (17) und der dem Boden (2) weiter entfernt liegende zweite Versteifungsring (7) im Bereich des Schildsegmentes (16, 16') eine nach unten gerichtete nasenartig ausgebildete Fortführung (18) aufweist und zwischen den Fortführungen (17, 18) das Schildsegment eingeschweißt ist, wobei der Übergang von der jeweiligen Fortführung (17, 18) in den jeweiligen Versteifungsring (6, 7) sowohl im Längsschnitt als auch in der Draufsicht abgerundet ist und die letztgenannten Abrundungen (23, 24) knickfrei in entsprechende Abrundungen (25, 26) des Schildsegmentes (16, 16') übergehen. - Gefäß nach Anspruch 1,
dadurch gekennzeichnet, daß der Tragzapfen (11, 11') in einer Bohrung (27) des Schildsegmentes (16, 16') eingeschweißt ist. - Gefäß nach Anspruch 2,
dadurch gekennzeichnet, daß der dem Schildsegment (16, 16') zugewandte Endbereich des Tragzapfens (11, 11') mit einem einen größeren Durchmesser aufweisenden Flansch (28) ausgebildet ist. - Gefäß nach Anspruch 3,
dadurch gekennzeichnet, daß der Mantelbereich (29) des Flansches (28) im Querschnitt gesehen dachartig ausgebildet ist. - Gefäß nach Anspruch 1,
dadurch gekennzeichnet, daß die Versteifungsringe (6, 7) aus einzelnen Segmenten zusammengesetzt sind. - Gefäß nach Anspruch 5,
dadurch gekennzeichnet, daß die einzelnen Segmente unterschiedliche Radien r, R aufweisen. - Gefäß nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß die Rohrschüsse (3,4,5) im Längsschnitt zylindrisch sind. - Gefäß nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß am freien Ende des oberen Rohrschusses (5) ein Randwinkel angeschweißt ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19706056A DE19706056C1 (de) | 1997-02-06 | 1997-02-06 | Gefäß für metallurgische Zwecke |
DE19706056 | 1997-02-06 | ||
PCT/DE1998/000322 WO1998034745A1 (de) | 1997-02-06 | 1998-01-29 | Gefäss für metallurgische zwecke |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0963265A1 EP0963265A1 (de) | 1999-12-15 |
EP0963265B1 true EP0963265B1 (de) | 2002-03-20 |
Family
ID=7820504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98909339A Expired - Lifetime EP0963265B1 (de) | 1997-02-06 | 1998-01-29 | Gefäss für metallurgische zwecke |
Country Status (8)
Country | Link |
---|---|
US (1) | US6110414A (de) |
EP (1) | EP0963265B1 (de) |
JP (1) | JP3339868B2 (de) |
AT (1) | ATE214647T1 (de) |
AU (1) | AU6391498A (de) |
CA (1) | CA2280168C (de) |
DE (1) | DE19706056C1 (de) |
WO (1) | WO1998034745A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1109640B1 (de) * | 1998-08-18 | 2002-05-22 | Mannesmannröhren-Werke AG | Metallurgisches gefäss |
DE10006771C2 (de) * | 1999-02-11 | 2001-11-29 | Mannesmann Ag | Gefäß für metallurgische Zwecke |
ATE218939T1 (de) * | 1999-02-11 | 2002-06-15 | Mannesmann Roehren Werke Ag | Gefäss für metallurgische zwecke |
DE10033966C1 (de) * | 2000-07-06 | 2001-10-25 | Mannesmann Ag | Gefäss für metallurgische Zwecke |
DE10050835C1 (de) * | 2000-10-05 | 2001-12-20 | Mannesmann Ag | Metallurgisches Gefäß und Verfahren zur Herstellung desselben |
JP3903321B2 (ja) * | 2004-12-28 | 2007-04-11 | 株式会社大紀アルミニウム工業所 | 溶融金属取鍋 |
CN103206860B (zh) * | 2013-04-22 | 2014-12-10 | 五力机电科技(昆山)有限公司 | 炉体侧封板 |
EP2921564A1 (de) | 2014-03-20 | 2015-09-23 | Siemens VAI Metals Technologies GmbH | Metallurgischer Behälter |
JP6398512B2 (ja) * | 2014-09-18 | 2018-10-03 | 新日鐵住金株式会社 | 溶融金属用取鍋 |
KR101695750B1 (ko) * | 2015-05-20 | 2017-01-12 | 주식회사 포스코 | 래들 리프팅 러그용 부싱 및 이를 구비한 래들 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US909655A (en) * | 1908-05-15 | 1909-01-12 | Frank A Wilmot | Swinging ladle. |
US1861946A (en) * | 1929-07-11 | 1932-06-07 | Wilhelmi Alfred | Carrier for slag pans and the like |
US2043048A (en) * | 1934-12-15 | 1936-06-02 | Bethlehem Steel Corp | Ladle |
US2165066A (en) * | 1937-07-22 | 1939-07-04 | Smith Corp A O | Supporting means for ladles |
DE1172404B (de) * | 1959-12-03 | 1964-06-18 | Mueller Schuss Kommanditgesell | Giesspfanne |
FR1321243A (fr) * | 1962-05-02 | 1963-03-15 | Beteiligungs & Patentverw Gmbh | Récipient métallurgique basculant tel, par exemple, qu'un convertisseur à tourillons d'appui |
DE2901011B1 (de) * | 1979-01-12 | 1979-12-13 | Berninghaus Fa Ewald | Lagerzapfenbefestigung fuer Giesspfannen in Huettenwerken |
DE19538530C5 (de) * | 1995-10-06 | 2004-02-19 | Mannesmann Ag | Gefäß für metallurgische Zwecke |
-
1997
- 1997-02-06 DE DE19706056A patent/DE19706056C1/de not_active Expired - Lifetime
-
1998
- 1998-01-29 AU AU63914/98A patent/AU6391498A/en not_active Abandoned
- 1998-01-29 WO PCT/DE1998/000322 patent/WO1998034745A1/de active IP Right Grant
- 1998-01-29 CA CA002280168A patent/CA2280168C/en not_active Expired - Fee Related
- 1998-01-29 AT AT98909339T patent/ATE214647T1/de active
- 1998-01-29 JP JP53355898A patent/JP3339868B2/ja not_active Expired - Fee Related
- 1998-01-29 US US09/355,715 patent/US6110414A/en not_active Expired - Fee Related
- 1998-01-29 EP EP98909339A patent/EP0963265B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6110414A (en) | 2000-08-29 |
EP0963265A1 (de) | 1999-12-15 |
CA2280168A1 (en) | 1998-08-13 |
JP3339868B2 (ja) | 2002-10-28 |
CA2280168C (en) | 2004-01-27 |
DE19706056C1 (de) | 1998-05-28 |
AU6391498A (en) | 1998-08-26 |
ATE214647T1 (de) | 2002-04-15 |
WO1998034745A1 (de) | 1998-08-13 |
JP2000512911A (ja) | 2000-10-03 |
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