EP1196728B1 - Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippen - Google Patents
Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippen Download PDFInfo
- Publication number
- EP1196728B1 EP1196728B1 EP00945702A EP00945702A EP1196728B1 EP 1196728 B1 EP1196728 B1 EP 1196728B1 EP 00945702 A EP00945702 A EP 00945702A EP 00945702 A EP00945702 A EP 00945702A EP 1196728 B1 EP1196728 B1 EP 1196728B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tipping
- furnace
- foundation
- tap opening
- overflow edge
- 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
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000002844 melting Methods 0.000 title abstract description 29
- 230000008018 melting Effects 0.000 title abstract description 29
- 239000002893 slag Substances 0.000 claims abstract description 15
- 238000010891 electric arc Methods 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement
- F27B3/065—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement tiltable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/19—Arrangements of devices for discharging
Definitions
- the invention relates to a method and a device for emptying metallurgical melting vessels by tilting, such as electric arc melting furnaces and electric resistance melting furnaces, with on one Foundation overlying furnace frame, a tilting device, one in Oven bottom arranged lockable tap hole and one on the side Oven arranged slag overflow edge.
- the tilting cradle of the furnace is designed in a circular arc and on rollers supported in a foundation frame resting on the furnace foundation are rotatably mounted. This is used to stabilize the furnace additionally supported by at least one hydraulic tilt cylinder. Due to the described design of the melting vessel, it can be drained off and tiltable to the steel tapping in both directions, with the chute center the scrap feed chute also the roll fulcrum of the Melting vessel during the tilting movement. Furthermore, on the A cam attached to the roller cradle in a defined area that when a tipping area on the waste side is exceeded on the Roller rests and slides up along it.
- a disadvantage of these known versions of the tilting devices with a on cradle-supporting underframe frame is that the location of Tap opening and slag overflow edge when tipping heavily changed and for example, too large distances between the melting vessel and the tap opening leads and thus favors the nitrogen uptake during tapping.
- the oven that is stabilized on rollers is stabilized Tilting cylinder during furnace operation with those in the charging and Shocks and vibrations caused by the melting process are adversely affected.
- US-A-2,268,918 describes an electric arc furnace with one at a time oven support hinged to the side by a column support.
- the furnace vessel can be tilted by means of a tilt cylinder on the opposite one Attacks the side of the furnace.
- the object of the invention is a method and an apparatus for emptying metallurgical Specify melting vessels by tilting, by which the disadvantages described, in particular the shift in position of the tap opening and slag overflow edge are largely avoidable during the tipping process.
- the tiltability according to the invention about each of two opposite axes enables the tap opening and the slag overflow edge to be arranged near the respective tilt axis, so that the location of the openings mentioned little is changed when tipping.
- one side of the sub-furnace frame of the melting vessel from its foundation supports on which the furnace frame in the The basic position of the melting vessel rests, is raised and around the opposite one Foundation supports pivoted as a fulcrum or axis of rotation.
- the foundation pads, the top of columnar foundations are arranged, are bowl-shaped. In this bowl-shaped
- the underframe frame is supported by the foundation supports with its foundation supports rotatable support elements.
- Tilt cylinders are assigned to the columnar foundations, through which a Lift any single side of the furnace frame or the entire one Melting vessel is possible with a tilting movement (rotary movement) over the respective opposite foundation supports as a fulcrum or axis of rotation.
- the tap opening is advantageously arranged so that it is in the basic position of the melting vessel above the level of what remains after tapping liquid residual sump is located.
- the tilt cylinders which during the tilting process are part of the furnace weight have to wear and are appropriately dimensioned during the Basic position of the melting vessel, in which the melting vessel on all foundation supports resting, completely relieved.
- a melting vessel 1 according to the invention is in its basic position shown.
- the melting vessel 1 rests here with the support elements 8 of the sub-furnace 2 on shell-shaped foundation supports 7, the form the upper end of column-shaped foundations 6.
- a tilt cylinder is located in the immediate vicinity of the foundations 6 3, which is completely relieved in the issued basic position, because the furnace frame 2 rests on all existing foundation supports 7.
- the foundations 6 are arranged with their foundation support 7 so that they are as possible close to the slag overflow edge 5 (left in the drawing figure) and to the Reach tap hole 4 (on the right in the figure).
- the melting vessel 1 is raised by lifting the lower furnace frame 2 raised by means of the tilt cylinders 3 arranged on the right for slagging or tilted. While the right part of the furnace frame 2 with the Lifting tap hole 4 from the foundation supports, the left part rotates of the furnace frame 2 with its support elements 8 arranged within the left Foundation supports 7, which thus represent the fulcrum or the axis of rotation.
- the slag overflow edge 5 changed by the tilting process shown almost not their position compared to the starting days in the Basic position according to Fig. 1, since the slag overflow edge 5 in immediate Near the axis of rotation of the foundation pads 7 is arranged.
- FIG. 3 the tilt position to the opposite side is corresponding to FIG. 2 represents.
- the left side of the furnace frame 2 is raised to over the Tap hole 4 to drain the melt from the melting vessel 1.
- the tap hole 4 with the axis of rotation of the foundation pads 7 practically coincides with the position of the tap opening 4 the tilting movement hardly changed.
- the tiltability to any side can also be used for repairs, for example and maintenance work can be beneficial.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Furnace Charging Or Discharging (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Furnace Details (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
- Fig. 1
- ein Schmelzgefäß nach der Erfindung in seiner Grundstellung,
- Fig. 2
- ein Schmelzgefäß entsprechend Fig. 1 zum Abschlacken gekippt,
- Fig. 3
- ein Schmelzgefäß entsprechend Fig. 1 zur Schmelzenentleerung gekippt.
Claims (4)
- Verfahren zum Entleeren von metallurgischen Schmelzgefäßen durch Kippen, wie beispielsweise Elektrolichtbogenschmelzöfen und Elektrowiderstandsschmelzöfen, mit auf einem Fundament aufliegenden Unterofenrahmen, einer Kippvorrichtung, einer im Ofenboden angeordneten verschließbaren Abstichöffnung und einer seitlich am Ofen angeordneten Schlackenüberlaufkante, wobei das Kippen durch Anheben des der Abstichöffnung (4) bzw. der Schlackenüberlaufkante (5) gegenüberliegenden Seite des Unterofenrahmens (2) erfolgt,
dadurch gekennzeichnet, dass das Schmelzgefäß (1) um jede von zwei gegenüberliegenden Fundamentauflagen (7) als Drehpunkt bzw. Drehachse gekippt wird, wobei sich die Lage der Abstichöffnung (4) und der Schlackenüberlaufkante (5) während des Kippvorgangs nicht oder nur unwesentlich verändert. - Vorrichtung zum Entleeren von metallurgischen Schmelzgefäßen (1) durch Kippen, wie beispielsweise Elektrolichtbogenschmelzöfen und Elektrowiderstandsschmelzöfen, mit auf einem Fundament (6) aufliegenden Unterofenrahmen (2), einer Kippvorrichtung, einer im Ofenboden angeordneten verschließbaren Abstichöffnung (4) und einer seitlich am Ofen (1) angeordneten Schlackenüberlaufkante (5), zur Durchführung des Verfahrens nach Anspruch 1, wobei sich der Unterofenrahmen (2) auf schalenförmig ausgebildeten Fundamentauflagen (7) mit der Form der Fundamentauflagen (7) angepassten Stützelementen (8) abstützt und in den Fundamentauflagen (7) durch Anheben seiner diesen gegenüberliegenden Seiten mittels eines Kippzylinders (3) kippbar gelagert ist,
dadurch gekennzeichnet, dass für die an gegenüberliegenden Seiten des Unterofenrahmens (2) angeordneten Stützelemente (8) gegenüberliegende Fundamentauflagen (7) mit gegenüberliegenden Kippzylindern (3) vorgesehen sind und der Unterofenrahmen (2) nach jeder Seite kippbar ist. - Vorrichtung nach Anspruch 2,
dadurch gekennzeichnet, dass die säulenförmigen Fundamente (6) mit ihren die Drehpunkte bzw. Drehachsen bildenden Fundamentauflagen (7) in unmittelbarer Nähe der Unterkante der Abstichöffnung (4) bzw. der Schlackenüberlaufkante (5) angeordnet sind. - Vorrichtung nach Anspruch 2 oder 3,
dadurch gekennzeichnet, dass in der Ofengrundstellung die Abstichöffnung (4) oberhalb des Niveaus des nach dem Abstich verbleibenden flüssigen Restsumpfes angeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19925550A DE19925550A1 (de) | 1999-06-04 | 1999-06-04 | Verfahren und Vorrichtung zum Entleeren von metallurgischen Schmelzgefäßen durch Kippen |
DE19925550 | 1999-06-04 | ||
PCT/EP2000/005089 WO2000075587A1 (de) | 1999-06-04 | 2000-06-05 | Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1196728A1 EP1196728A1 (de) | 2002-04-17 |
EP1196728B1 true EP1196728B1 (de) | 2003-09-03 |
Family
ID=7910198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00945702A Expired - Lifetime EP1196728B1 (de) | 1999-06-04 | 2000-06-05 | Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippen |
Country Status (17)
Country | Link |
---|---|
US (1) | US6660219B1 (de) |
EP (1) | EP1196728B1 (de) |
JP (1) | JP2003501611A (de) |
KR (1) | KR20020016821A (de) |
CN (1) | CN1145006C (de) |
AT (1) | ATE249022T1 (de) |
BR (1) | BR0011316A (de) |
CA (1) | CA2373038A1 (de) |
DE (2) | DE19925550A1 (de) |
EG (1) | EG22082A (de) |
ES (1) | ES2206271T3 (de) |
MX (1) | MXPA01012410A (de) |
PL (1) | PL352108A1 (de) |
TR (1) | TR200103502T2 (de) |
TW (1) | TW451047B (de) |
WO (1) | WO2000075587A1 (de) |
ZA (1) | ZA200110292B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005024924B8 (de) * | 2005-05-23 | 2007-10-25 | Strikowestofen Gmbh | Schmelz- oder Warmhalteofen |
FR2902364B1 (fr) * | 2006-06-16 | 2012-04-27 | Commissariat Energie Atomique | Procede de fabrication d'une vessie d'etancheite en polymere thermodurcissable pour un reservoir contenant un fluide sous pression, tel qu'un reservoir composite, et reservoir |
CN102126187B (zh) * | 2010-12-29 | 2012-05-23 | 天津立中车轮有限公司 | 轮毂自动倒砂机 |
JP6024284B2 (ja) * | 2012-08-22 | 2016-11-16 | 大同特殊鋼株式会社 | 電気炉 |
CN110257588B (zh) * | 2019-07-04 | 2023-04-14 | 中冶京诚工程技术有限公司 | 一种液态金属冶炼系统及冶炼方法 |
CN112176149B (zh) * | 2019-07-04 | 2023-09-29 | 中冶京诚工程技术有限公司 | 液态金属精炼装置、液态金属冶炼系统及精炼方法 |
CN111394532B (zh) * | 2020-05-19 | 2023-08-04 | 河北昊兴耐火炉料有限公司 | 高炉摆动溜槽及其流嘴用高强预制件 |
CN112503537B (zh) * | 2020-11-27 | 2023-09-26 | 重庆商勤禹水环境科技有限公司 | 可在作业中除渣的废盐熔融炉 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE262543C (de) | ||||
US2268918A (en) * | 1939-08-30 | 1942-01-06 | American Air Filter Co | Rocking electric furnace ventilating system |
GB741035A (en) | 1953-11-19 | 1955-11-23 | Wistra Ofenbau Gmbh | Furnace for melting shavings of light metals |
CH408295A (de) * | 1963-09-30 | 1966-02-28 | Bbc Brown Boveri & Cie | Schmelzvorrichtung mit Ofenkörper und Gestell |
DE4006281A1 (de) | 1990-02-28 | 1991-08-29 | Fuchs Technology Ag | Metallurgisches aggregat |
US5227119A (en) * | 1992-03-24 | 1993-07-13 | Mannesmann Aktiengesellschaft | Spray-cooled furnace cover |
-
1999
- 1999-06-04 DE DE19925550A patent/DE19925550A1/de not_active Withdrawn
-
2000
- 2000-06-03 EG EG20000730A patent/EG22082A/xx active
- 2000-06-05 AT AT00945702T patent/ATE249022T1/de not_active IP Right Cessation
- 2000-06-05 WO PCT/EP2000/005089 patent/WO2000075587A1/de not_active Application Discontinuation
- 2000-06-05 KR KR1020017015607A patent/KR20020016821A/ko not_active Application Discontinuation
- 2000-06-05 BR BR0011316-6A patent/BR0011316A/pt not_active Application Discontinuation
- 2000-06-05 EP EP00945702A patent/EP1196728B1/de not_active Expired - Lifetime
- 2000-06-05 CN CNB008084025A patent/CN1145006C/zh not_active Expired - Fee Related
- 2000-06-05 CA CA002373038A patent/CA2373038A1/en not_active Abandoned
- 2000-06-05 JP JP2001501824A patent/JP2003501611A/ja not_active Withdrawn
- 2000-06-05 MX MXPA01012410A patent/MXPA01012410A/es unknown
- 2000-06-05 TR TR2001/03502T patent/TR200103502T2/xx unknown
- 2000-06-05 PL PL00352108A patent/PL352108A1/xx unknown
- 2000-06-05 US US09/980,245 patent/US6660219B1/en not_active Expired - Fee Related
- 2000-06-05 ES ES00945702T patent/ES2206271T3/es not_active Expired - Lifetime
- 2000-06-05 DE DE50003560T patent/DE50003560D1/de not_active Expired - Lifetime
- 2000-06-13 TW TW089110857A patent/TW451047B/zh not_active IP Right Cessation
-
2001
- 2001-12-14 ZA ZA200110292A patent/ZA200110292B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
WO2000075587A1 (de) | 2000-12-14 |
KR20020016821A (ko) | 2002-03-06 |
TR200103502T2 (tr) | 2002-05-21 |
EP1196728A1 (de) | 2002-04-17 |
PL352108A1 (en) | 2003-07-28 |
CA2373038A1 (en) | 2000-12-14 |
ZA200110292B (en) | 2002-10-10 |
TW451047B (en) | 2001-08-21 |
DE50003560D1 (de) | 2003-10-09 |
US6660219B1 (en) | 2003-12-09 |
JP2003501611A (ja) | 2003-01-14 |
CN1145006C (zh) | 2004-04-07 |
CN1353805A (zh) | 2002-06-12 |
DE19925550A1 (de) | 2000-12-07 |
MXPA01012410A (es) | 2002-07-30 |
BR0011316A (pt) | 2002-04-23 |
EG22082A (en) | 2002-07-31 |
ES2206271T3 (es) | 2004-05-16 |
ATE249022T1 (de) | 2003-09-15 |
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