EP3328576A1 - Elektroschlacke-umschmelzanlage - Google Patents
Elektroschlacke-umschmelzanlageInfo
- Publication number
- EP3328576A1 EP3328576A1 EP16763716.4A EP16763716A EP3328576A1 EP 3328576 A1 EP3328576 A1 EP 3328576A1 EP 16763716 A EP16763716 A EP 16763716A EP 3328576 A1 EP3328576 A1 EP 3328576A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold
- plant according
- electro
- abschmelzelektrode
- slag
- 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
- 239000002893 slag Substances 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title abstract 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract description 13
- 230000008018 melting Effects 0.000 abstract description 13
- 239000000155 melt Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001629 suppression 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
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/06—Melting-down metal, e.g. metal particles, in the mould
- B22D23/10—Electroslag casting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/07—Electrodes designed to melt in use
Definitions
- the invention relates to an electro-slag remelt system with an open top mold and Minim ⁇ least one consumable electrode which ⁇ protrudes into the mold inside.
- the necessary temperature for melting the Abschmelz ⁇ electrode is generated by an electric current with high electric current, which flows through the Ab ⁇ melting electrode, the slag and the melt.
- the slag is an electrical resistance that heats up due to the current passage.
- the slag is liquefied and heated.
- the two electric poles of the slag form on the one hand the building up block in the mold and on the other hand the electrode. Due to the evolution of heat in the slag, the electrode melts at the interface to the slag.
- the higher the temperature of the slag the higher the melting rate of the electrode.
- the amount of slag ⁇ temperature but there are limits. Therefore, only by increasing the cross-sectional area at constant
- the melting rate can be increased.
- the Abschmelzelektrode is a rod-shaped structure with a round or rectangular cross-section, the axis is aligned verti ⁇ cal.
- the melt rate depends on the cross-sectional area, which is related to a plane perpendicular to the electrode axis.
- the diameter of the mold be ⁇ right but also the sizes of the blocks, which are produced from which he stared ⁇ melt.
- so-called T-molds are used.
- the Abschmelzelektrode plunges, the cross ⁇ section is greater than the cross section of the lower, smaller section ⁇ smaller T-mold, which receives the block.
- the object of the invention is thus to provide a
- the invention provides that the Abschmelzelektrode is aligned obliquely to a vertical ⁇ tet.
- the projecting into the mold end surface of the Abschmelzelektrode runs obliquely according to their inclination to the axis of the Abschmelzelektrode.
- the effective Abschmelz measurements therefore no longer corresponds to the cross-sectional area, relative to a plane perpendicular to the axis of the electrode, but with respect to a hori ⁇ zontale plane.
- the effective Abschmelz measurements thus increases by the reciprocal of the cosine of the angle between the vertical and the axis of the obliquely Ab ⁇ melting electrode.
- the electrode Since the electrode is arranged at an angle, the overall height of the system is reduced or it can be used with the same height longer Abschmelzelektro ⁇ .
- the inclined arrangement makes it possible to reproach one or meh ⁇ eral electrodes local drains of the later Abschmelzposi ⁇ tion so as to minimize the time delay in the change of electrodes.
- the angle between the axis of the Abschmelzelektrode and the vertical between 20 and 60 °, in particular it is 45 °.
- the invention provides that the Abschmelz ⁇ electrode is held in a tracking, which is formed from ⁇ that the Abschmelzelektrode is slidable along its inclined axis.
- Such tracking can z. B. have a roller bearing.
- the weight of the Abschmelzelektrode can be distributed over several roles.
- At least two ablation electrodes can also be provided here, each of which is provided with a tracking device. This allows a quick change of electric ⁇ the. One electrode is burning, while the other is prepared in its displacement system and is moved to a position above the mold, so ⁇ soon the previous is consumed.
- the mold is cooled, so that the melt solidifies in its lower part and can be discharged as a strand from the open bottom of the mold.
- a device is provided, which deducts in its lower portion to a strand solidified melt through the bottom of the mold.
- ⁇ ent in this manner, it may still be a separator vorgese ⁇ hen, which is formed so that it can ERS the exiting on the floor of the mold end portion of the strand ⁇ separate. Furthermore, a deflector may be provided that the severed tails since Lich ⁇ z to the mold. B. on a conveyor belt in a Maga ⁇ zin or bearing derived.
- Fig. 1 is a side view of the arrangement
- Fig. 2 is a plan view.
- the plant according to the invention consists of a mold 1, which consists of a tube 2 of constant cross-section and an upwardly adjoining funnel 3.
- a Abschmelzelektrode 4 In these immersed a Abschmelzelektrode 4, the axis 5 is obliquely to a vertical 6, which also forms the axis of the tube 2, is arranged.
- the Ab ⁇ melting electrode 4 is mounted on rollers 7, which form an inclined plane.
- the Abschmelzelektrode 4 is held by a tracking 8, by means of which they can be tracked ent ⁇ speaking of the burn-up in the hopper 3 of the mold 1.
- the forming melt which solidifies due to a not shown cooling in the lower part to a strand 10, which is down ⁇ drawn by a device, not shown here, and possibly by a not also presented Darge ⁇ Separator is divided into individual blocks. These are by a deflection device, which is also not shown in detail, laterally via a means, for. B. a conveyor belt, in a magazine or warehouse (not shown) derived.
- melt 9 is located within the
- the amount of the melting rate is determined by the size of the Abschmel z surface 13, which is the slag layer 11 berüh ⁇ - saving end face of the Abschmelzelektrode 4.
- the Abschmel z surface 13 is horizontal and thus entspre ⁇ accordingly the inclination of the consumable electrode 4 at an angle to the axis 5.
- the melt area is increased 13 against ⁇ over the cross-sectional area 12 of the consumable electrode 4, by an amount which is determined by the size of the angle ⁇ between the axis 5 of the Abschmelzelektrode 4 and the vertical 6.
- the end surface 13 increases by about 40% relative to the cross-sectional area 12.
- the energy for melting the electrode 4 is achieved by a power supply, not shown here.
- the melting electrode 4, the slag layer 11 and the melt 9 and the strand 10 form parts of an electric circuit, the slag layer 11 represents the largest resistance, so that there most of the energy is absorbed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201630377T SI3328576T1 (sl) | 2015-07-27 | 2016-07-26 | Električna naprava za pretalitev žlindre |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015112229 | 2015-07-27 | ||
DE102015117661.0A DE102015117661A1 (de) | 2015-07-27 | 2015-10-16 | Elektroschlacke-Umschmelzanlage |
PCT/DE2016/100339 WO2017016549A1 (de) | 2015-07-27 | 2016-07-26 | Elektroschlacke-umschmelzanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3328576A1 true EP3328576A1 (de) | 2018-06-06 |
EP3328576B1 EP3328576B1 (de) | 2019-07-17 |
Family
ID=57795326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16763716.4A Active EP3328576B1 (de) | 2015-07-27 | 2016-07-26 | Elektroschlacke-umschmelzanlage |
Country Status (8)
Country | Link |
---|---|
US (1) | US20180207719A1 (de) |
EP (1) | EP3328576B1 (de) |
JP (1) | JP2018522739A (de) |
CN (1) | CN108136493A (de) |
DE (1) | DE102015117661A1 (de) |
RU (1) | RU2689832C1 (de) |
SI (1) | SI3328576T1 (de) |
WO (1) | WO2017016549A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220051868A (ko) | 2020-10-19 | 2022-04-27 | 삼성전자주식회사 | 반도체 장치의 제조를 위한 방법 및 컴퓨팅 장치 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US403326A (en) * | 1889-05-14 | Thomas j | ||
DE572870C (de) * | 1926-02-10 | 1933-03-24 | William E Moore | Verfahren zur Behandlung von Eisen, das im geschmolzenen Zustand durch eine Schicht gluehenden Materials hindurchtropft |
US3200232A (en) * | 1963-06-11 | 1965-08-10 | Soudure Electr Autogene Sa | Process and apparatus for electric fusion welding |
AT280505B (de) * | 1967-12-27 | 1970-04-10 | Boehler & Co Ag Geb | Elektrodenhalter in Anlagen zum Elektroumschmelzen von Metallen, insbesondere von Stählen |
US3677323A (en) * | 1968-11-22 | 1972-07-18 | Rheinstahl Huettenwerke Ag | Process and apparatus for providing steel ingot |
SU403326A1 (ru) * | 1971-01-04 | 1980-05-25 | Институт электросварки им. Е.О.Патона | Устройство дл электрошлаковой выплавки слитков |
DE2319983B2 (de) * | 1973-04-19 | 1975-11-06 | Institut Elektroswarki Imeni E.O. Patona Akademii Nauk, Ukrainskoj Ssr, Kiew (Sowjetunion) | Verfahren zur Herstellung metallischer Ringteile nach dem Elektroschlacke-Umschmelzverfahren |
JPS5039601B2 (de) * | 1973-05-11 | 1975-12-18 | ||
US3952792A (en) * | 1974-07-25 | 1976-04-27 | Consarc Corporation | Method and apparatus for casting a plurality of ingots |
GB1469850A (en) * | 1974-12-30 | 1977-04-06 | Inst Elektroswarki Patona | Machine for electroslag refining and production of curved ingots |
JPS53130231A (en) * | 1977-04-21 | 1978-11-14 | Mitsubishi Heavy Ind Ltd | Manufacturing apparatus for curved tube with straight tube portion by continuous electroslag melting |
ATA814479A (de) * | 1979-02-15 | 1995-01-15 | Leybold Heraeus Gmbh & Co Kg | Elektroden-einspannvorrichtung für elektrodenumschmelzanlagen |
DE2950531A1 (de) * | 1979-12-15 | 1981-06-19 | Leybold-Heraeus GmbH, 5000 Köln | Elektroden-einspannvorrichtung fuer elektroumschmelzanlagen |
AT367668B (de) * | 1979-07-26 | 1982-07-26 | Sp Pk I T Bjuro Elektrotermich | Elektroschlackenumschmelzanlage |
JPS6320151A (ja) * | 1986-07-14 | 1988-01-27 | Daido Steel Co Ltd | エレクトロスラグ再溶解炉におけるインゴツト切断受支装置 |
JPS6442531A (en) * | 1987-08-07 | 1989-02-14 | Nippon Kokan Kk | Arc melting apparatus |
CN2213593Y (zh) * | 1994-12-28 | 1995-11-29 | 机械工业部沈阳铸造研究所 | 薄壁变曲面叶片板坯电渣熔铸装置 |
AT406384B (de) * | 1996-01-29 | 2000-04-25 | Inteco Int Techn Beratung | Verfahren zum elektroschlacke-strangschmelzen von metallen |
DE19839432C2 (de) | 1998-08-29 | 2000-12-07 | Ald Vacuum Techn Ag | Elektro-Schmelzanlage |
JP4654850B2 (ja) * | 2005-09-09 | 2011-03-23 | 大同特殊鋼株式会社 | 再溶解炉に用いる電極へのスタブの取付け方法 |
JP4535097B2 (ja) * | 2007-08-16 | 2010-09-01 | 大同特殊鋼株式会社 | 消耗電極式溶解炉の通電装置 |
US8689856B1 (en) * | 2013-03-05 | 2014-04-08 | Rti International Metals, Inc. | Method of making long ingots (cutting in furnace) |
-
2015
- 2015-10-16 DE DE102015117661.0A patent/DE102015117661A1/de not_active Withdrawn
-
2016
- 2016-07-26 SI SI201630377T patent/SI3328576T1/sl unknown
- 2016-07-26 EP EP16763716.4A patent/EP3328576B1/de active Active
- 2016-07-26 JP JP2018504258A patent/JP2018522739A/ja active Pending
- 2016-07-26 US US15/747,975 patent/US20180207719A1/en not_active Abandoned
- 2016-07-26 RU RU2018103238A patent/RU2689832C1/ru active
- 2016-07-26 WO PCT/DE2016/100339 patent/WO2017016549A1/de active Application Filing
- 2016-07-26 CN CN201680043931.7A patent/CN108136493A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20180207719A1 (en) | 2018-07-26 |
RU2689832C1 (ru) | 2019-05-29 |
SI3328576T1 (sl) | 2019-11-29 |
EP3328576B1 (de) | 2019-07-17 |
DE102015117661A1 (de) | 2017-02-02 |
WO2017016549A1 (de) | 2017-02-02 |
CN108136493A (zh) | 2018-06-08 |
JP2018522739A (ja) | 2018-08-16 |
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