EP1196728A1 - Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippen - Google Patents
Verfahren und vorrichtung zum entleeren von metallurgischen schmelzgefässen durch kippenInfo
- Publication number
- EP1196728A1 EP1196728A1 EP00945702A EP00945702A EP1196728A1 EP 1196728 A1 EP1196728 A1 EP 1196728A1 EP 00945702 A EP00945702 A EP 00945702A EP 00945702 A EP00945702 A EP 00945702A EP 1196728 A1 EP1196728 A1 EP 1196728A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tilting
- foundation
- furnace
- overflow edge
- melting
- 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
- 238000002844 melting Methods 0.000 title claims abstract description 38
- 230000008018 melting Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 19
- 230000000284 resting effect Effects 0.000 claims description 5
- 238000010891 electric arc Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 description 3
- 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
- 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
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; Electric arc furnaces ; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; 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; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; 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; Electric arc furnaces ; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; 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; Electric arc furnaces ; 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; Electric arc furnaces ; Tank furnaces
- F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
- F27B3/19—Arrangements of devices for discharging
Definitions
- the invention relates to a method and an apparatus for emptying metallurgical melting vessels by tilting, such as, for example, electric arc melting furnaces and electrical row melting furnaces, with an underframe frame resting on a foundation, a tilting device, a closable tap hole arranged in the furnace floor and one on the side of the furnace arranged slag overflow edge.
- these metallurgical melting vessels are usually equipped with a tilting device, by means of which the entire melting vessel is brought into an oblique position from its originally horizontal basic position.
- the tilting cradle of the furnace is designed in the form of a circular arc and is supported on rollers which are rotatably mounted in a frame resting on the furnace foundation. To stabilize the furnace, it is additionally supported by at least one hydraulic tilt cylinder. Due to the described design of the melting vessel, it can be tilted in both directions for slagging and steel tapping, with the center point of the scrap feed chute also being the center of rotation of the melting vessel during the tilting movement. Furthermore, a cam is attached to the tilting cradle mounted on the rollers in a defined area, which, when a tilting area is exceeded, abuts on the scraper side on the roller and slides upwards along it.
- a disadvantage of these known designs of the tilting devices with an underframe frame that is supported on cradles is that the position of the tap opening and slag overflow edge changes greatly during tilting and leads, for example, to large distances between the melting vessel and the tap opening and thus the nitrogen content during tapping favored.
- the tilting cylinders that stabilize the furnace mounted on rollers are adversely impacted by the shocks and vibrations caused during the charging and melting process during furnace operation.
- the object of the invention is, based on the known prior art, to provide a method and a device for emptying metallurgical melting vessels by tilting, by means of which the disadvantages described, in particular the shifting of the position of the opening and the slag overflow edge during the tilting process, are largely avoided.
- one side of the lower furnace frame of the melting vessel is raised from its foundation supports, on which the lower furnace frame rests in the basic position of the melting vessel, and is pivoted about the opposite foundation supports as a fulcrum or axis of rotation.
- the foundation supports which are arranged at the upper end of columnar foundations, are bowl-shaped. In this bowl-shaped foundation supports, the lower furnace frame is supported with its support elements which are rotatable in the foundation supports.
- the columnar foundations are assigned tilting cylinders, which make it possible to lift any single side of the lower furnace frame or the entire melting vessel, with a tilting movement (rotary movement) over the respective opposite foundation supports as the pivot point or axis of rotation.
- the tap opening and the slag overflow are in the immediate vicinity Arranged near this axis of rotation, so that during the tilting process advantageously no or only an insignificant ' change in the position of the tap opening and slag overflow edge takes place.
- the tap opening and slag overflow edge are arranged on the melting vessel in such a way that both slag removal and emptying of the melt are possible by a tilting movement to only one side.
- the tap opening is advantageously arranged such that it is in the basic position of the melting vessel above the level of the remaining liquid sump remaining after the tap.
- the tilting cylinders which have to support part of the furnace weight during the tilting process and are of correspondingly large dimensions, are completely relieved of load when the melting vessel is in the basic position, in which the melting vessel rests on all foundation supports.
- Fig. 1 is a melting vessel according to the invention in its
- Fig. 2 shows a melting vessel corresponding to Fig. 1 for
- a melting vessel 1 according to the invention is shown in its basic position.
- the melting vessel 1 rests here with the support elements 8 of the sub-furnace 2 on shell-shaped foundation supports 7, which form the upper end of pillar-shaped foundations 6.
- a tilt cylinder 3 which is completely relieved in the basic position shown, since the lower furnace frame 2 was resting on all the existing Fudamentauf 7.
- the foundations 6 are arranged with their foundation support 7 so that they are as close as possible to the
- the melting vessel 1 is lifted or tilted for lifting off by lifting the lower furnace frame 2 by means of the tilt cylinders 3 arranged on the right. While the right part of the furnace frame 2 with the tap opening 4 stands out from the foundation supports, the left part of the furnace frame 2 rotates with its support elements 8 within the left-hand foundation supports 7, which thus represent the pivot point or the axis of rotation.
- the slag overflow edge 5 hardly changes its position with respect to the starting position in the basic position according to FIG. 1 due to the tilting process shown, since the slag overflow edge 5 is in the immediate vicinity the axis of rotation of the foundation supports 7 is arranged.
- FIG. 3 the tilt position to the opposite side is shown in FIG. 2.
- the left side of the lower furnace frame 2 is raised in order to discharge the melt from the melting vessel 1 via the tap opening 4.
- the tap opening 4 practically coincides with the axis of rotation of the foundation supports 7, the position of the tap opening 4 is hardly changed by the tilting movement.
- the tilting is shown on two opposite sides.
- the design of the tilting device according to the invention also allows the tilting process to be carried out on any side, which can be advantageous, for example, for repairs and maintenance work.
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)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Furnace Details (AREA)
Description
Claims
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 true EP1196728A1 (de) | 2002-04-17 |
| EP1196728B1 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 (9)
| 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 |
| CN115493405B (zh) * | 2022-09-13 | 2025-05-30 | 上海速威特种合金有限公司 | 一种准确性高的真空冶炼炉测温方法及装置 |
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 CN CNB008084025A patent/CN1145006C/zh not_active Expired - Fee Related
- 2000-06-05 US US09/980,245 patent/US6660219B1/en not_active Expired - Fee Related
- 2000-06-05 EP EP00945702A patent/EP1196728B1/de not_active Expired - Lifetime
- 2000-06-05 KR KR1020017015607A patent/KR20020016821A/ko not_active Withdrawn
- 2000-06-05 PL PL00352108A patent/PL352108A1/xx unknown
- 2000-06-05 MX MXPA01012410A patent/MXPA01012410A/es unknown
- 2000-06-05 ES ES00945702T patent/ES2206271T3/es not_active Expired - Lifetime
- 2000-06-05 WO PCT/EP2000/005089 patent/WO2000075587A1/de not_active Ceased
- 2000-06-05 TR TR2001/03502T patent/TR200103502T2/xx unknown
- 2000-06-05 BR BR0011316-6A patent/BR0011316A/pt not_active Application Discontinuation
- 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 AT AT00945702T patent/ATE249022T1/de not_active IP Right Cessation
- 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
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0075587A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1196728B1 (de) | 2003-09-03 |
| ES2206271T3 (es) | 2004-05-16 |
| MXPA01012410A (es) | 2002-07-30 |
| CA2373038A1 (en) | 2000-12-14 |
| PL352108A1 (en) | 2003-07-28 |
| CN1353805A (zh) | 2002-06-12 |
| ZA200110292B (en) | 2002-10-10 |
| EG22082A (en) | 2002-07-31 |
| DE50003560D1 (de) | 2003-10-09 |
| TR200103502T2 (tr) | 2002-05-21 |
| US6660219B1 (en) | 2003-12-09 |
| WO2000075587A1 (de) | 2000-12-14 |
| BR0011316A (pt) | 2002-04-23 |
| CN1145006C (zh) | 2004-04-07 |
| DE19925550A1 (de) | 2000-12-07 |
| TW451047B (en) | 2001-08-21 |
| JP2003501611A (ja) | 2003-01-14 |
| ATE249022T1 (de) | 2003-09-15 |
| KR20020016821A (ko) | 2002-03-06 |
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