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WO2009077114A1 - Dispositif et procédé pour récupérer des métaux ou des composés métalliques - Google Patents

Dispositif et procédé pour récupérer des métaux ou des composés métalliques Download PDF

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Publication number
WO2009077114A1
WO2009077114A1 PCT/EP2008/010490 EP2008010490W WO2009077114A1 WO 2009077114 A1 WO2009077114 A1 WO 2009077114A1 EP 2008010490 W EP2008010490 W EP 2008010490W WO 2009077114 A1 WO2009077114 A1 WO 2009077114A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
slag
metal
electrode
heating
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.)
Ceased
Application number
PCT/EP2008/010490
Other languages
German (de)
English (en)
Inventor
Rolf Degel
Harmen Johannes Oterdoom
Jürgen Kunze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Siemag AG
SMS Demag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SMS Siemag AG, SMS Demag AG filed Critical SMS Siemag AG
Priority to CN2008801215573A priority Critical patent/CN101903730B/zh
Priority to EP08862095.0A priority patent/EP2235461B1/fr
Priority to BRPI0820788-7A priority patent/BRPI0820788B1/pt
Publication of WO2009077114A1 publication Critical patent/WO2009077114A1/fr
Priority to ZA2010/03734A priority patent/ZA201003734B/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5241—Manufacture of steel in electric furnaces in an inductively heated furnace
    • C21C5/5247—Manufacture of steel in electric furnaces in an inductively heated furnace processing a moving metal stream while exposed to an electromagnetic field, e.g. in an electromagnetic counter current channel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • 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
    • F27B3/085—Arc furnaces

Definitions

  • the invention relates to an apparatus and a method for recovering metals or metal compounds, in particular from a solid containing the metal or the metal compound.
  • the invention therefore relates in particular to a device according to claim 1 and furthermore to a method according to claim 11.
  • metals or metal compounds coexist with solids, so it is technically complicated to separate the metal or metal compound from the solid for other purposes and processing. Therefore, the metals or metal compounds are separated from the solids by means of obtaining such metals or metal compounds.
  • Such devices and methods for recovering metals or metal compounds from a solid containing the metal or metal compound are known in the art.
  • WO 2006/131372 discloses a device in which a liquefied metal-containing slag is heated in an electric arc furnace, wherein the metal-containing slag is heated in a first AC or DC furnace and then the melt from the first furnace to a second Furnace, which is designed as a DC electric furnace, is spent.
  • EP 0714 860 B1 has become known, in which a method for the treatment of solid residues from waste incineration plants is disclosed in which slag is melted in a plurality of heating chambers, wherein in a first heating chamber, the slag is oxidized in a second heating chamber reduces the metal and the metal is sedimented in a third heating chamber, and then fed into a preceding heating chamber, where it is collected and from which it is taken.
  • the devices known in the prior art show a lack of efficiency, wherein the proportion of the recovered metal or the metal compound fertilg is still too low and the proportion of the remaining unrecovered metal or the metal compound is still much too high.
  • the storage of these slags or materials is associated with high costs, such as the storage of slags from the ferro-alloy industry or the non-ferrous industry, in which in the manufacture or handling of platinum, copper, nickel, lead, etc. typically large Obtain quantities of slags, which therefore leads to high costs.
  • the object is achieved with respect to the device with the features of claim 1.
  • the object is achieved with a device for obtaining metals or metal compounds, in particular from a material containing the metal or the metal compound, with a housing having a first inlet for the supply of the material and a a first outlet for the escape of exhaust gas, further provided in the housing, a first electrode as an anode and a second electrode as a cathode for e- lectric heating of the material provided in the housing, a tap for removing molten metal or metal compound and an overflow for the slag.
  • a supply of slag is provided, by means of which slag can be supplied to the interior of the housing. It can thereby be achieved that, for example, metal-containing slag can be supplied to the device for depletion.
  • the first electrode advantageously projects from above into the housing and extends into a layer of the electrically conductive material.
  • the second electrode is arranged on the housing bottom or is integrated in the housing bottom.
  • a layer structure results in the housing which has a layer of electrically conductive material, a layer of slag and a layer of molten metal or metal compound.
  • an electrode or a heating rod is provided in the housing, by means of which a resistance heating of the material provided in the housing, the slag and / or the melt can be carried out.
  • an electrode or a heating rod is provided in the housing, by means of which heating of the material provided in the housing, the slag and / or the melt can be carried out in the arc mode.
  • a supply of reducing agent is provided in the housing.
  • At least one electromagnet or a coil of an electromagnet is provided in the housing, wherein the electromagnet or the coil is preferably provided at the level of the slag in order to achieve a movement or a stirring of the material in the vessel ,
  • the material containing the metal or the metal compound is a solid, such as, for example, a bulk material.
  • the object with respect to the method is achieved with the features of claim 11.
  • the method relates to a method for obtaining metals or metal compounds, in particular from a material containing the metal or the metal compound with a housing having a first inlet for the supply of the material and a first outlet for the escape of exhaust gas, further in the Housing a first electrode as an anode and a second electrode is provided as a cathode for electrically heating the material provided in the housing, a tap for removing molten metal or metal compound and an overflow for the slag, wherein the material is introduced into the apparatus and is melted there, in which electrical energy is introduced by resistance heating or arc operation.
  • FIG. 1 is a schematic representation of an embodiment of a device according to the invention
  • FIG. 2 is a schematic representation of an embodiment of a device according to the invention.
  • Fig. 3 is a schematic representation of an embodiment of a device according to the invention.
  • Fig. 4 is a schematic representation of an embodiment of an inventive device.
  • FIG. 1 shows schematically a representation of an exemplary embodiment of a device 1 according to the invention for recovering metal or metal compounds, such as alloys, for example, from solids bonded or mixed with these or containing them.
  • the device 1 has a housing 2, which is preferably formed well insulating heat, so that in the interior of the housing of the solid and / or the metal or the metal compound can be melted and the energy to be expended is not increased too much by heat losses , Therefore, the housing is also double-walled from an inner housing 3 and an outer housing 4 constructed.
  • a first connecting piece 5 is provided, which is designed in the manner of a supply channel or pipe.
  • connection piece such as inlet 5
  • the solid containing the metal for example as bulk material
  • a further connecting piece, such as outlet, 6 is provided, which is also designed in the manner of a disposal channel or pipe.
  • the port 6 is used for the disposal or the escape of exhaust gas from the device.
  • the device 1 has an optional feed 7 for slag, which is arranged laterally of the housing and, for example, as a groove o- pipe penetrates the wall of the housing 2.
  • the anode 8 projects rod-shaped through the upper housing wall into the interior of the housing 2, wherein for performing the anode through the housing a passage 10 is provided, which the anode 8 leads and holds in the housing 2.
  • the cathode 9 is recessed in the lower bottom of the housing 2 or arranged at the bottom of the housing. It is preferably flat.
  • the tapping 11 is provided, by means of which the molten metal or the molten metal compound 12, which collects at the bottom of the housing 2 can be removed.
  • the heavy metal or heavy metal compound 12 collects at the bottom of the housing 2.
  • the slag accumulates in a layer 13 at.
  • a layer 14 of the conductive bulk material of the solid Above the slag layer 13 is a layer 14 of the conductive bulk material of the solid.
  • an overflow 16 is provided for the slag 13, which ensures that the level of slag 13 is limited upwards and does not rise further upwards. As a result, the position of the layer 14 is substantially fixed, in which the anode protrudes.
  • an electromagnet 15 is arranged, which ensures that the slag 13 and the layer 12 of the metal or the metal compound is set in its respective plane in motion, such as in circular motion.
  • FIG. 2 shows an exemplary embodiment of a device 20 according to the invention, in which further features are realized in addition to the features explained in FIG. In Figure 2, the features already shown in Figure 1 are provided with the same reference numerals.
  • the device 20 of FIG. 2 has a supply means 21 for solid and / or liquid and / or gaseous reducing agents.
  • This supply means 21 is formed in FIG. 21 as a tube which protrudes into the housing 2 from outside the housing 2 and projects into the region of the slag 13, so that the reducing agent passed through the tube is introduced into the slag.
  • reducing agents for example coke, coal, charcoal, petroleum coke, calcium carbide and / or gases, which are also made of carbon or hydrogen, the targeted reaction in the housing can be controlled.
  • an electrode or heating element 22 for heating the media or slag for the resistance operation in the housing 2.
  • an electrode or heating element 23 for the heating of the media or slag for the arc operation in the housing. 2
  • FIGS. 3 and 4 show devices 30, 40 according to the invention which essentially correspond to devices 1 and 20 of FIGS. 1 and 2, the two devices 30, 40 differing in that there are no magnetic fields for moving and stirring the melt or slag available. It can therefore be carried out in these devices, a pure DC operation with coke bed.
  • the devices 1, 20, 30, 40 it is advantageously possible to carry out a process for obtaining metal or metal compounds from a metal or metal compound-containing solids, in which the solid is placed in an electric furnace and by means of the electric furnace, preferably by means of a DC electric furnace, is melted.
  • This is achieved in a DC electric furnace in that an entry of electrical energy is effected by an electric arc furnace or a resistance heating of the slag in the furnace.
  • a chemical reduction can be performed and removal of inclusions can be performed.
  • the melt is also preferably stirred by means of one or more externally impressed magnetic fields and, for example, a DC field in the furnace, which is generated by an electrically conductive bulk material and the metal or metal compound phase at the furnace bottom.
  • the degree of extraction of metals or metal compounds of slags and rock phases can advantageously be increased, which arise, for example, in the production of non-ferrous metals and ferroalloys. It can also be used to treat contaminated old deposits. Overall, it is possible to carry out a arm melting of solids, so that the resulting slags are less stressful.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

L'invention concerne un dispositif et un procédé pour récupérer des métaux ou des composés métalliques, en particulier à partir d'un matériau contenant le métal ou le composé métallique : avec un carter (2) doté d'une première admission (5) pour l'alimentation du matériau et d'une première évacuation (6) pour l'échappement des fumées; avec en outre, dans le carter (2), une première électrode (5) comme anode et une deuxième électrode (6) comme cathode, pour le chauffage électrique du matériau présent dans le carter; et avec en outre un trou de coulée pour prélever le métal ou composé métallique en fusion, et un trop-plein pour les scories.
PCT/EP2008/010490 2007-12-18 2008-12-11 Dispositif et procédé pour récupérer des métaux ou des composés métalliques Ceased WO2009077114A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801215573A CN101903730B (zh) 2007-12-18 2008-12-11 用于提取金属或金属化合物的装置和方法
EP08862095.0A EP2235461B1 (fr) 2007-12-18 2008-12-11 Dispositif et procédé pour récupérer des métaux ou des composés métalliques
BRPI0820788-7A BRPI0820788B1 (pt) 2007-12-18 2008-12-11 Device and process for obtaining metals or metal compounds
ZA2010/03734A ZA201003734B (en) 2007-12-18 2010-05-26 Device and method for obtaining metals or metal compounds

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007061025.6 2007-12-18
DE102007061025 2007-12-18
DE102008021886.3 2008-05-02
DE102008021886 2008-05-02

Publications (1)

Publication Number Publication Date
WO2009077114A1 true WO2009077114A1 (fr) 2009-06-25

Family

ID=40404857

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2008/010490 Ceased WO2009077114A1 (fr) 2007-12-18 2008-12-11 Dispositif et procédé pour récupérer des métaux ou des composés métalliques
PCT/DE2008/002125 Ceased WO2009076945A1 (fr) 2007-12-18 2008-12-17 Dispositif d'obtention de métaux ou de composés métalliques à partir d'un matériau qui contient le métal ou le composé métallique

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/002125 Ceased WO2009076945A1 (fr) 2007-12-18 2008-12-17 Dispositif d'obtention de métaux ou de composés métalliques à partir d'un matériau qui contient le métal ou le composé métallique

Country Status (9)

Country Link
EP (2) EP2235461B1 (fr)
CN (2) CN101903730B (fr)
BR (2) BRPI0820788B1 (fr)
CL (2) CL2008003748A1 (fr)
DE (1) DE102008058605A1 (fr)
PE (2) PE20091616A1 (fr)
RU (2) RU2455599C2 (fr)
WO (2) WO2009077114A1 (fr)
ZA (2) ZA201003734B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679718A (zh) * 2011-03-15 2012-09-19 孙晓冰 一种新型转移弧等离子炉结构设计
DE102011090072A1 (de) * 2011-12-29 2013-07-04 Sms Siemag Ag Verfahren zur Gewinnung eines Metalls aus einer das Metall enthaltenden Schlacke sowie Vorrichtung zur Gewinnung des Metalls
DE102014015302A1 (de) 2014-10-13 2016-04-14 Sms Group Gmbh Vorrichtung und Verfahren zum Reinigen von Schlacken
RU2624880C2 (ru) * 2015-10-12 2017-07-07 Сергей Федорович Павлов Способ переработки окисленных никелевых руд
DE102016207798A1 (de) * 2015-11-19 2017-05-24 Sms Group Gmbh Absetzofen und Verfahren zu seinem Betrieb
CN106082342B (zh) * 2016-08-16 2017-12-08 浙江海鸿工业产品设计有限公司 三硫化钼生产用反应装置
CN107218800B (zh) * 2017-06-20 2019-07-19 青岛大学 一种直流电弧炉

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146202A (en) * 1977-05-26 1978-12-20 Kawasaki Heavy Ind Ltd Method and apparatus for melting and refining steel material
EP0633441A1 (fr) * 1993-07-06 1995-01-11 Abb K.K. Four de fusion pour le traitement thermique de déchets spéciaux contenant des métaux lourds et/ou de la dioxine
EP0714860A1 (fr) * 1994-11-25 1996-06-05 Von Roll Umwelttechnik AG Procédé de préparation les restes d'une installation à brûler des déchets et appareil pour appliquer ledit procédé
EP1375628A2 (fr) * 2000-01-21 2004-01-02 Integrated Environmental Technologies, Llc. Procédé et appareil pour le traitement de déchets

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FR1422830A (fr) * 1963-09-24 1966-01-03 Union Carbide Corp Appareil et procédé de fusion avec porte-électrode
JPS495691B1 (fr) * 1965-03-23 1974-02-08
SE396531B (sv) * 1975-11-06 1977-09-19 Asea Ab Anordning vid likstromsmatade ljusbagsugnar
SU1130074A1 (ru) * 1983-09-29 1999-07-27 Всесоюзный научно-исследовательский горно-металлургический институт цветных металлов Печь для кислородной плавки полиметаллических материалов
SU1617284A1 (ru) * 1987-09-24 1990-12-30 И. X. Левин Электрическа печь дл переработки окисленных и сульфидных материалов
CN1020953C (zh) * 1989-07-11 1993-05-26 太原重型机器厂 控弧式磁镜直流电弧炉
CN1154411A (zh) * 1995-07-24 1997-07-16 亚瑞亚·勃朗勃威力有限公司 熔炼设备
AUPP554098A0 (en) * 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
JP2001279313A (ja) * 2000-03-30 2001-10-10 Midrex Internatl Bv 溶融金属鉄の製法
RU2207476C2 (ru) * 2001-05-14 2003-06-27 Коршунов Евгений Алексеевич Плавильный агрегат
US6689182B2 (en) * 2001-10-01 2004-02-10 Kobe Steel, Ltd. Method and device for producing molten iron
RU2235258C1 (ru) * 2003-02-28 2004-08-27 Федеральное государственное унитарное предприятие "Институт Гинцветмет" Электропечь для переработки техногенного сырья
DE102006022779A1 (de) 2005-06-08 2006-12-21 Sms Demag Ag Verfahren und Vorrichtung zur Gewinnung eines Metalls aus einer das Metall enthaltenden Schlacke

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146202A (en) * 1977-05-26 1978-12-20 Kawasaki Heavy Ind Ltd Method and apparatus for melting and refining steel material
EP0633441A1 (fr) * 1993-07-06 1995-01-11 Abb K.K. Four de fusion pour le traitement thermique de déchets spéciaux contenant des métaux lourds et/ou de la dioxine
EP0714860A1 (fr) * 1994-11-25 1996-06-05 Von Roll Umwelttechnik AG Procédé de préparation les restes d'une installation à brûler des déchets et appareil pour appliquer ledit procédé
EP1375628A2 (fr) * 2000-01-21 2004-01-02 Integrated Environmental Technologies, Llc. Procédé et appareil pour le traitement de déchets

Also Published As

Publication number Publication date
ZA201004163B (en) 2011-02-23
PE20091533A1 (es) 2009-10-03
CN101903729A (zh) 2010-12-01
PE20091616A1 (es) 2009-11-07
BRPI0820788A2 (pt) 2015-06-16
CN101903729B (zh) 2013-07-17
RU2455599C2 (ru) 2012-07-10
RU2010129916A (ru) 2012-01-27
EP2225520A1 (fr) 2010-09-08
BRPI0820788A8 (pt) 2016-10-11
CL2008003801A1 (es) 2009-10-16
BRPI0821164B1 (pt) 2018-01-02
CL2008003748A1 (es) 2009-05-15
WO2009076945A1 (fr) 2009-06-25
DE102008058605A1 (de) 2009-07-02
RU2010129525A (ru) 2012-01-27
BRPI0821164A2 (pt) 2015-06-16
RU2455600C2 (ru) 2012-07-10
CN101903730B (zh) 2013-12-25
EP2225520B1 (fr) 2017-07-12
BRPI0820788B1 (pt) 2017-06-13
CN101903730A (zh) 2010-12-01
EP2235461B1 (fr) 2017-05-31
ZA201003734B (en) 2011-03-30
EP2235461A1 (fr) 2010-10-06

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