EP1150790A1 - Tank for metallurgical purposes - Google Patents
Tank for metallurgical purposesInfo
- Publication number
- EP1150790A1 EP1150790A1 EP00916755A EP00916755A EP1150790A1 EP 1150790 A1 EP1150790 A1 EP 1150790A1 EP 00916755 A EP00916755 A EP 00916755A EP 00916755 A EP00916755 A EP 00916755A EP 1150790 A1 EP1150790 A1 EP 1150790A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stiffening ring
- vessel according
- web
- shield
- pin shield
- 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
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 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
-
- 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 or 2.
- Vessels for metallurgical purposes have long been known (DE-AS 1 1 66 980, DE-PS 11 72 404, DE-AS 15 83 308, DE-AS 29 01 011). It is common to all constructions that the vessel has a metal jacket which receives the heat-resistant lining. On the outside of the metal jacket, two opposing bearing journals are arranged, which are supported on a stiffening bandage, a bearing plate or a box construction, which in turn are firmly connected to the metal jacket.
- the metal sheath is predominantly reinforced with two circumferential stiffening rings arranged at an axial distance from one another, between which the end shield is fastened. In terms of voltage, all known constructions are not optimally designed, so the ratio of
- Dead weight to fill weight is particularly unfavorable.
- a further developed vessel for metallurgical purposes is known from DE 197 06 056 C1. It consists of a metal jacket, which accommodates a heat-resistant lining and is composed of individual tubular sections, and which has two in
- Has stiffening rings extending circumferentially and integrated at an axial distance from one another in the metal jacket.
- two support pins are arranged opposite one another and supported by means of one pin plate each connected to the stiffening ring by means of a weld seam.
- the pin shield is arranged between the two stiffening rings in such a way that it has a small radial distance from the metal jacket.
- the ratio of its own weight to the fill weight should be more favorable than previously known.
- the core of the invention is the limited movable arrangement of the spigot in the vertical and in the circumferential direction, means for accommodating the dead weight of the spigot and the vessel with vertical and tilted position of the vessel means being arranged on the metal jacket and / or on the stiffening rings.
- This arrangement ensures that the relatively cold cone shield does not hinder the thermal expansion of the vessel; however, the forces can be introduced through the means.
- the means can be designed as a box construction comprising the pin shield, within which the pin shield can be displaced with play to a limited extent. It does not matter whether the box construction is rectangular, round or oval. In the storage position of the vessel, the cone shield comes into contact with the area of the box construction at 6 o'clock due to its own weight.
- the cone plate comes to rest on the area of the box construction in the 12 o'clock position. If the vessel is tilted, for example, by 90 °, the cone shield is placed in the box construction at 3 or 9 o'clock.
- the box construction it is possible to provide clip-like elements which the
- the completely free spigot shield is optimal, since the warm container can expand freely in the vertical and circumferential directions without hindrance.
- the transmitting forces must be taken into account.
- only an edge area facing the respective stiffening ring is integrally connected to the stiffening ring.
- This solution has the advantage that large forces can be transmitted via the integral connection and the unobstructed expansion in the vertical direction is retained, since the opposite edge region is free.
- the integral bond is so rigid that it is possible to dispense with means for supporting the dead weight, in particular when the vessel is in a tilted position. In other cases, a guide will be provided for the free edge area.
- the means can be webs which are guided in slots or guide handles in the space between which the edge region of the spigot shield is guided or clamps which guide the lateral regions of the exposed edge region of the spigot shield.
- the means can be an integral part of the stiffening ring or by means of a
- one will provide the integral connection between the spigot and the stiffening ring on the upper stiffening ring.
- this edge area is also proposed to use this edge area as a segment of the
- Form stiffening ring which is connected to the adjacent segments of the stiffening ring in a material-locking manner via a transverse seam, the total length of which is shorter than the longitudinal seam lying in the circumferential direction.
- the edge area of the cone shield can be guided or even completely dispensed with.
- the guide means are of comparable design as in the previously explained vessel construction.
- a special feature is a circumferential ring, which is integrally connected to the edge area of both pin shields.
- Figure 1 a shows a section in the direction A-A in Figure 1 b
- Figure 1 b is a partial front view of a metallurgical vessel designed according to the invention in the region of the cone shield
- Figure 1 c shows a section in the direction B-B in Figure 1 b
- Figure 4a shows a section in the direction B-B in Figure 4b
- Figure 4c shows a section in the direction A-A in Figure 4b
- Figure 4d shows a section in the direction C-C in Figure 4b
- Figure 4e shows an enlarged view of a variant of the detail X.
- Figure 5a shows a section in the direction A-A in Figure 5b
- Figure 5c shows a section in the direction C-C in Figure 5b
- Figure 5d shows a section in the direction B-B in Figure 5c
- Figure 5e shows a section in the direction D-D in Figure 5c
- Figure 6a shows a section in the direction A-A in Figure 6b
- Figure 6c shows a section in the direction B-B in Figure 6b
- Figure 7a-c shows a variant of the embodiment of Figure 6a-c
- Figure 8a shows a section in the direction A-A in Figure 8b
- Figure 9a shows a section in the direction A-A in Figure 9b
- Figure 9c shows a section in the direction B-B in Figure 9b
- Figure 1 a - 1 c shows a view and two sections of a first embodiment of a metallurgical vessel designed according to the invention.
- the metal jacket receiving the refractory lining has three tubular sections 1, 2, 3, between which an upper stiffening ring 4 and a lower stiffening ring 5 are arranged as an integral part.
- Weak The material connection of the two stiffening rings 4, 5 is indicated by means of circumferential weld seams 6-9.
- the spigot plate 10 is arranged between the two stiffening rings 4, 5 without hindrance both in the vertical and in the circumferential direction.
- the dead weight of the spigot plate 10, including the spigot 11 welded therein, is absorbed by a web 12 arranged on the lower stiffening ring 5 when the vessel is in the vertical position.
- This web 12 engages in a recess 13 arranged in the lower edge region of the cone shield 10, so that the cone plate 10 and the vessel can be supported on the respective narrow side of the web 12 even when the vessel is in a tilted position.
- a comparable one is in the upper edge region of the pin shield 10
- a web-like extension 15 of the upper stiffening ring 4 engages in this recess 14.
- this extension 15 is an integral part of the stiffening ring 4. However, it could also be attached to the stiffening ring as a separate part, as shown in the lower area.
- the assembly is now carried out in such a way that after creation of the metal jacket 1-3 including the two stiffening rings 4, 5 welded therein, the respective pin shield 10 including the pin 11 welded therein from below onto the web-like extension 15 of the upper stiffening ring 4 is pushed and adjusted in this position. Thereafter, the lower web 12 is inserted into the recess 13 from below and connected to the lower stiffening ring 5 in a cohesive manner.
- the pin shield 10 can be displaced in the vertical and in the circumferential direction, so that the thermal expansion of the vessel is not impeded.
- the dead weight of the spigot plate 10 together with the spigot 11 and that of the vessel can be absorbed in the vertical and tilted position of the vessel.
- the pin shield 10 is at a distance 18 from the metal jacket section 2. This prevents the metal jacket section 2, which has a higher temperature, from being in direct contact with the colder spigot plate 10. From a thermal point of view, it is known that the Heat flow due to radiation is proportional to the power of the temperature difference, while the heat flow via the line is directly proportional to the temperature difference
- FIG. 2a-2c shows a second embodiment, the same reference numerals being used for the same parts. In contrast to FIG. 1a-1c, this is
- the spigot plate 20 is connected to the upper stiffening ring 21 by means of a partially circumferential seam 22.
- the upper stiffening ring 21 has, in a known manner, a nose-like extension 23 which extends downwards on the surface of the lower one
- the cone shield 20 can be dispensed with. This means that both the forces that try to bend the cone shield 20 away from the vessel and the dead weight of the cone shield and that of the vessel when the vessel is in a tilted position must be caught by the above-mentioned weld seam 22
- the advantage of this embodiment is that, compared to the exemplary embodiment in FIGS. 1a-1c, the elaborate production of the two recesses can be dispensed with, and large pan weights can also be transferred with the upper fastening.
- the disadvantage is that the unhindered possibility of expansion in the circumferential direction is restricted in the vertical direction seen this remains fully in order to avoid voltage jumps and stress accumulations as far as possible, the transitions 25, 26 from the upper edge region of the pin shield 20 into the middle and lower region are greatly rounded
- FIGS. 3a-3c show a third embodiment, elements of the embodiment according to FIGS. 1a-1c having been combined with elements of the embodiment according to FIGS. 2a-2c.
- the upper edge area of the spigot plate 30 is welded to the upper stiffening ring 21 Materially connected
- a guide element 19 designed as a circular disk engages both in a recess 13 arranged in the lower edge region of the spigot plate 30 and in a recess in the web 12 which is fastened to the lower stiffening ring 5. This ensures that the lower guide does this Own weight of the spigot plate 30 and the vessel weight can be absorbed in the vertical and tilted position of the vessel.
- Pin shield 40 formed as a web 28.
- the associated lower stiffening ring 27 has an upwardly extending web-like extension 29, which is an integral part of the stiffening ring 27.
- the two web-like areas 28, 29 are in contact with one another.
- two openings 31, 31 ', 32, 32' lying in alignment extend through both. These are preferably designed as bores.
- Holding elements 33, 33 ' preferably bolts, can be inserted into the openings 31, 31', 32, 32 '. So that the unimpeded movement for the pin shield 40 is maintained in the vertical direction, the openings 32, 32 ′ arranged in the web 28 of the pin shield 40 have a larger diameter 37. This can be clearly seen in partial image e, which represents a modification of detail X.
- the web 29 is not an integral part of the lower stiffening ring 27, but is integrally connected to it via a weld seam 34.
- the inserted pin 33 for catching the dead weight of the pin shield 40 or the vessel is fastened in the opening 31 of the web 29 by means of a circular seam 35.
- the opening 32 in the web-like edge region 28 of the pin shield 40 has a larger diameter 37 than the diameter 36 of the bolt.
- the upper edge region of the respective pin shield 20, 30 was made by means of a seam
- the guide is designed as a separate part with a partial segment of a stiffening ring 27 and an upwardly extending web 29. This separate part is transversely seamed 42, 42 'into a corresponding gap between segments of the circumferential lower stiffening ring 5 used and integrally connected thereto.
- FIGS. 6a-c A further embodiment is shown in FIGS. 6a-c.
- the pipe section 2 does not have a lower reinforcement ring 5.
- a guide plate 47 is fastened to a sword 48 of the shot 2 at the level of the web 24.
- the web 24 of the pin shield 20 slides along the inside of the upper region of the guide plate 47.
- FIGS. 7a-c show a variant of the embodiment according to FIGS. 6a-c.
- This exemplary embodiment is also characterized by the omission of the lower stiffening ring 5 in the tubular weft 2.
- the web 24 of the pin shield 20 is encompassed at the ends by two clamps 49, 49 ′ attached to the weft 2.
- so-called lining plates 51, 51' are driven into the gap between the outside of the web 24 and the inside of the brackets 49, 49 'on both sides.
- FIGS. 8a, 8b An eighth embodiment is shown in FIGS. 8a, 8b. It is similar to the embodiment shown in FIGS. 6 and 7 in such a way that there is no lower one in shot 2 Reinforcement ring 5 is arranged.
- the pin shield 60 has no guide in this embodiment.
- the required stiffening is achieved in that the lower region 52 of the pin shield 60 is designed in the form of a circular arc in plan view.
- the upper edge region of the pin shield 60 is connected by means of a seam 22 to the nose-like continuation of the circumferential upper stiffening ring 21. Comparable to that shown in FIGS.
- the upper region of the pin shield 60 together with the associated section of the upper stiffening ring 21 can alternatively be formed as one part.
- This part formed in this way is connected with short transverse seams to the adjacent sub-segments of the circumferential stiffening ring 21 in a cohesive manner.
- the advantage of such an arrangement can be seen in the fact that instead of the long circumferential weld seam 22, only two relatively short transverse seams are required for fastening here.
- FIGS. 9a-c Another exemplary embodiment is shown in FIGS. 9a-c.
- Characteristic of this embodiment is the arrangement of a stiffening circumferential ring 53.
- This ring 53 is fastened to the web 24 of the pin shield 20 by means of a circular seam 54.
- spacers 55 are attached at certain intervals distributed over the circumference on the inside of the shield 20 or the ring 53.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19907482 | 1999-02-11 | ||
DE19907482 | 1999-02-11 | ||
DE10006771A DE10006771C2 (en) | 1999-02-11 | 2000-02-10 | Vessel for metallurgical purposes |
DE10006771 | 2000-02-10 | ||
PCT/DE2000/000443 WO2000047353A1 (en) | 1999-02-11 | 2000-02-11 | Tank for metallurgical purposes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1150790A1 true EP1150790A1 (en) | 2001-11-07 |
EP1150790B1 EP1150790B1 (en) | 2002-06-12 |
Family
ID=26004343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00916755A Expired - Lifetime EP1150790B1 (en) | 1999-02-11 | 2000-02-11 | Tank for metallurgical purposes |
Country Status (7)
Country | Link |
---|---|
US (1) | US6613272B2 (en) |
EP (1) | EP1150790B1 (en) |
AT (1) | ATE218939T1 (en) |
AU (1) | AU3801500A (en) |
CA (1) | CA2361576C (en) |
MX (1) | MXPA01008015A (en) |
WO (1) | WO2000047353A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050835C1 (en) * | 2000-10-05 | 2001-12-20 | Mannesmann Ag | Metallurgical vessel used as a casting ladle for transporting molten metals has a one-part shielding segment and arms extending in the upper region in both peripheral directions |
CN103212702B (en) * | 2013-05-08 | 2015-11-04 | 重庆钢铁(集团)有限责任公司 | Ladle trunnion and utilize this ladle trunnion to carry out the method for ladle reparation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1172404B (en) | 1959-12-03 | 1964-06-18 | Mueller Schuss Kommanditgesell | Ladle |
DE1166980B (en) | 1961-09-22 | 1964-04-02 | Kloeckner Werke Ag | Ladle |
DE1508156C3 (en) * | 1966-08-16 | 1974-01-03 | Demag Ag, 4100 Duisburg | Suspension for tiltable metallurgical vessels, in particular for converter vessels |
GB9405521D0 (en) * | 1994-03-21 | 1994-05-04 | Davy Mckee Stockton | Converter vessel |
DE19538530C5 (en) * | 1995-10-06 | 2004-02-19 | Mannesmann Ag | Vessel for metallurgical purposes |
DE19706056C1 (en) * | 1997-02-06 | 1998-05-28 | Mannesmann Ag | Metallurgical vessel |
-
2000
- 2000-02-11 MX MXPA01008015A patent/MXPA01008015A/en active IP Right Grant
- 2000-02-11 AU AU38015/00A patent/AU3801500A/en not_active Abandoned
- 2000-02-11 WO PCT/DE2000/000443 patent/WO2000047353A1/en active IP Right Grant
- 2000-02-11 EP EP00916755A patent/EP1150790B1/en not_active Expired - Lifetime
- 2000-02-11 CA CA002361576A patent/CA2361576C/en not_active Expired - Fee Related
- 2000-02-11 AT AT00916755T patent/ATE218939T1/en active
-
2001
- 2001-08-13 US US09/928,908 patent/US6613272B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0047353A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE218939T1 (en) | 2002-06-15 |
US6613272B2 (en) | 2003-09-02 |
MXPA01008015A (en) | 2003-07-14 |
US20020066983A1 (en) | 2002-06-06 |
CA2361576C (en) | 2009-04-21 |
WO2000047353A1 (en) | 2000-08-17 |
CA2361576A1 (en) | 2000-08-17 |
AU3801500A (en) | 2000-08-29 |
EP1150790B1 (en) | 2002-06-12 |
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