WO1987005636A1 - Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane - Google Patents

Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane Download PDF

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Publication number
WO1987005636A1
WO1987005636A1 PCT/SU1986/000023 SU8600023W WO8705636A1 WO 1987005636 A1 WO1987005636 A1 WO 1987005636A1 SU 8600023 W SU8600023 W SU 8600023W WO 8705636 A1 WO8705636 A1 WO 8705636A1
Authority
WO
WIPO (PCT)
Prior art keywords
aluminum
alloy
iron
titanium
manganese
Prior art date
Application number
PCT/SU1986/000023
Other languages
English (en)
Russian (ru)
Inventor
Boris Ivanovich Emlin
Dmitry Vladimirovich Iliinkov
Alexandr Vladimirovich Ventskovsky
Alexandr Nikolaevich Morozov
Gennady Anufrievich Golovko
Viktor Pavlovich Stremedlovsky
Boris Ottovich Vaisman
Original Assignee
Dnepropetrovsky Metallurgichesky Institut Imeni L.
Dneprovsky Aljuminievy Zavod Imeni S.M.Kirova
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 Dnepropetrovsky Metallurgichesky Institut Imeni L., Dneprovsky Aljuminievy Zavod Imeni S.M.Kirova filed Critical Dnepropetrovsky Metallurgichesky Institut Imeni L.
Priority to BR8607115A priority Critical patent/BR8607115A/pt
Priority to PCT/SU1986/000023 priority patent/WO1987005636A1/fr
Priority to AU61216/86A priority patent/AU586014B2/en
Priority to EP19860904459 priority patent/EP0269733A4/fr
Priority to JP61503683A priority patent/JPS63503312A/ja
Priority to IN311/CAL/86A priority patent/IN162926B/en
Priority to CN86103277.2A priority patent/CN1004932B/zh
Publication of WO1987005636A1 publication Critical patent/WO1987005636A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising

Definitions

  • the invention relates to non-ferrous metals and machinery, and the name refers to methods of refining industrial alloys of iron and steel.
  • Z ⁇ i ⁇ imesya ⁇ i i ⁇ ⁇ vysheyayay ⁇ ⁇ ntseya ⁇ atsiya ⁇ u ⁇ udshayu ⁇ e ⁇ s ⁇ lua ⁇ atsi ⁇ nyaye ⁇ a ⁇ a ⁇ e ⁇ yas ⁇ i-
  • thermo-metal compound of iron, chrome, marigold, aluminum, and aluminum, and an international metal compound of titanium, chromium, and aluminum are formed. Further, the molten alloy is suitable for filtering at the temperature indicated above.
  • the disadvantage is an increase in the cost of the refined aluminum and white aluminum suture and the high cost of aluminum for its production.
  • the basic task of the invention is to dispose of aluminum-brown alloy of the eutectic-garlic mixture in the presence of iron and titanium, and to consume the world
  • ⁇ ye would ⁇ zv ⁇ lili ⁇ vysi ⁇ vy ⁇ d alyuminiev ⁇ emniev ⁇ g ⁇ ⁇ as ⁇ lava on s ⁇ adii eg ⁇ ⁇ il ⁇ a- tion s ⁇ snizhe ⁇ iem aluminum s ⁇ de ⁇ zhaniya in ⁇ s ⁇ a ⁇ a ⁇ on ⁇ il ⁇ e, s ⁇ a ⁇ i ⁇ ⁇ as ⁇ d d ⁇ g ⁇ s ⁇ yaschih ⁇ ma and ma ⁇ gan tsa, uvelichi ⁇ s ⁇ e ⁇ en ⁇ a ⁇ ini ⁇ vaniya alyumi ⁇ iev ⁇ emnie-
  • thermo-metallic compounds with iron and titanium play ' manganese.
  • an intermetallic Filtration leads to a decrease in the output of the refined 35 ng aluminum-aluminum alloy with an increase in the aluminum content in the output to the filter, to a decrease in the degree of aluminum fusion .
  • titanium with a simultaneous decrease in the quality of the reduced alloy is due to the fact that the interconnected, internal connections are 0 2 ,! ⁇ ⁇ ⁇ 1 2 31 ⁇ W '
  • ⁇ ⁇ , 5 ⁇ 1 2.3 31 ⁇ , ' ge ⁇ , 2 ⁇ ⁇ ⁇ , 3 ⁇ 1 2.3' ⁇ b '5 are enriched with manganese and alshinium, and the internal and ⁇ ⁇ 0 ° is still not a mixture of iron and titanium.
  • the temperature is lower than 590 ° C.
  • P ⁇ i further ⁇ is ⁇ allizatsii ⁇ a ⁇ g ⁇ alyuminiev ⁇ - ⁇ emniev ⁇ g ⁇ sllava ( ⁇ es ⁇ in ⁇ tsesse li ⁇ ya products from s ⁇ lava) ⁇ is ⁇ ally in ⁇ e ⁇ me ⁇ alliches ⁇ i ⁇ s ⁇ edine ⁇ y ⁇ az ⁇ as- ⁇ ayu ⁇ sya reducing e ⁇ s ⁇ lua ⁇ atsi ⁇ nnye sv ⁇ ys ⁇ va s ⁇ lava ( ⁇ es ⁇ e ⁇ s ⁇ lua ⁇ atsi ⁇ nnye ⁇ a ⁇ a ⁇ e ⁇ is ⁇ i ⁇ i products from s ⁇ lava).
  • inter-metallic compounds are characterized by a high content of iron and titanium and a low content of chromium, manganese and aluminum. Removal of iron and titanium in the composition of the intermetallic compounds - ensures high efficiency of the offer -
  • a type intended for the separation of iron and titanium by the proposed process may be obtained by various known methods.
  • a specified aluminum-silicon alloy can be obtained by 5 methods of fusion of silicon, aluminum and / or other alloys (silicium aluminum, fusion and fusion) By doing so, the listed metals and alloys are included in such cases, so as to be obtained
  • 10 aluminum-magnesium alloy ⁇ alloy was eutectic and consisted of 10-14 wt. ⁇ monia.
  • the system is diluted with aluminum and / or primary or secondary aluminum alloys
  • the proposed method of separation allows the manufacture of original aluminum alloys that are used in the manufacture of a fusion mixture. wood and titanium, by any known means.
  • the secondary alloy can be used with a primary aluminum alloy contaminated with dirt.
  • the resulting alloys are fused with the original aluminum-silicon alloy of the eutectic composition, which contains the mixture of iron and titanium, placed in the melting mixtures, receiving the aluminum alloy
  • the 25th alloy is separated on the basis of the required mass ratio of the ratio of the amount of chromium and manganese to the sum of the impurities of iron and titanium and the mass mixture of chromium and manganese.
  • the aluminum-aluminum alloy is recommended to be pulled out for 10-50 cables to remove non-metallic inclusions from the city.
  • the darkest- 35th hot melt is cooled. However, if the required temperature is not reached (590-660 ° C), it will be okay, for example, by adding a warm . 0023
  • the shredder alloy is recommended to be mixed.
  • the continuous alloy is continuously measured 15 volutes - rhenium thermoparas.
  • the cooled aluminum-sintered alloy of the eutectic composition supports the heat treatment and the temperature of 590-660 ° ⁇ .
  • the content of aluminum in the filter wastes is separated by means of chemical or spectral analysis of the waste in the filter.
  • the mixture of chromium and manganese determines how often
  • the terms of the total mass are used ⁇ ⁇ ⁇ roma and manganese ⁇ to the total mass of iron and titanium, which are contained in the original all-alloy fusion.
  • the plant of the obtained aluminum and aluminum alloy for the eutectic composition of the plant is 760 ° ⁇ .
  • the specified alloy adds small quantities of solid aluminum to a mass solution
  • 25 aluminum with a coolable alloy equal to 0.08: 1, by continuously measuring the temperature of the coolable aluminum alloy. When the temperature is reached 590 ° C, the cooling of the aluminum-sintered alloy melts the filter and filters the indicated alloy with the same temperature.
  • aluminum-brown alloy is produced in the following eutectic composition, mass ⁇ : extreme - 12.0, iron - 1.4, titanium - 0.7, ⁇ ⁇ - - 24, manganese - 0.12, 20 aluminum.
  • the refinery of the obtained aluminum alloys in the melting region is 690 ° ⁇ .
  • the indicated alloy is stored for 30 minutes to remove non-metallic inclusions and cool it to a temperature of 660 ° ⁇ .
  • the cooled alloy is filtered and the same temperature.
  • the pre-assembled aluminum-dark alloy, assembled in a metal receiver has the following eutectic composition, wt.%: Brown - 11.5, iron - 0.34, steel –0.07, ⁇ 0–0.05 , 04, aluminum - 30 other up to 100.
  • an aluminum-dark melting alloy of the following 10 eutectic composition wt. secondary - 12, 2, iron - 2.0, titanium - 1.0, ⁇ - 3, 15, marganey -0, 15, aluminum - the other is up to 100.
  • the temperature of the resulting alloy is 780 C.
  • the aluminum-red alloy melts for 40 minutes. With this, its temperature decreases to 730 ° C.
  • the specified alloy adds solid aluminum with a mass ratio of 20 to a ratio of aluminum with a cooled alloy.
  • the pre-assembled aluminum-dark alloy, assembled in a metal receiver, has the following eutectic 15 composition, mass: small - 11.0, iron - 0.30, ⁇ -tan - 0.05, 0.05 - 0.05, ⁇ aluminum - up to 100. Shimmetz 5.
  • the optional aluminum smelter is optionally installed. in the world of melting and fusing it with those obtained in the indi- vidual 25 basic furnaces d ⁇ -Cr and ⁇ 1- ⁇ , which have a temperature of 860 and 760 ° ⁇ , respectively. In this case, the league used in such quantities, so that the sum of chromium and manganese for the mass was lost to the sum of the impurities of iron and titanium for the mass, except for the mass of 0.45: :1.
  • the pre-assembled aluminum-sintered alloy, assembled in a metal receiver, has the following eutectic composition, max.%: Brown - 11.2, iron - 0.32, ⁇ -tan - 0.05, 0.90 mg , 03, aluminum - the rest is up to 100. Schzimer 6.
  • the alloy assembled in a metal receiver, has the following eutectic composition, a large percentage: iron - 11, 3, iron - 0, 37, titanium - 0.06, ⁇ - 0, 24, manganese - 0, 55 aluminum - 5 to 100.
  • the melting point of the specified alloy is 730 ° ⁇ .
  • an aluminum alloy is obtained in the following eutectic composition, wt.%: Extreme - 12.0, iron - 1.4, type - 0.7, ⁇ ⁇ - 0.38, marble -
  • Bulk alumina ⁇ tevide-dark alloy assembled into a metal receiver, has the following eutectic composition, mass: brown - 11.5, -lear - 0.37, titanium - 0.09, 0.04, 0.04, 0 ⁇ 35, aluminum
  • the aluminum-dark alloy to be melted is an indicated composition having a temperature of 730 ° C;
  • an aluminum-brown alloy is produced in the following euthetical composition, max.%: Extreme - 12.2, iron - 2.0, titanium - 1.0, ⁇ ⁇ - 0.3, manganese - 3.0, aluminum - .
  • the refractory of the resulting alloy is 790 ° ⁇ .
  • the aluminum-brown alloy melts 45 minutes. At this temperature, the alloy is reduced to 730 ° 0.
  • the indicated alloys add solid aluminum and have a mass of 0% of alloy. Further, the cooled alloy is filtered at 625 ° 0.
  • a prefabricated aluminum / aluminum alloy which is a metal alloy, has the following eu- , aluminum - the rest is up to 100.
  • EXAMPLE 10 Comparative Acknowledgment of ⁇ ⁇ 08 ⁇ 22 .
  • oil ⁇ extreme - 13.9, iron - 0.8, titanium - 0.4, aluminum - other than aluminum, aluminum 750 ° 0, place in the melting microsurface and melt it with the resulting. in the industrial furnace by ⁇ - ⁇ g ligatures. and ⁇ 1 ⁇ _, ⁇ , which have a temperature of 870 and 860 ° ⁇ , respectively.
  • an aluminum – dark-oxide component is produced by the following eutectic compound, mass%: iron –– 12.8, iron –0.8, steel –– 0.4, ⁇ –– 0.48, aluminum
  • the rest is up to 100.
  • the furnace indicated 5 melts are 780 ° 0.
  • cooling of 10 aluminum-sintered alloys protects and filters the indicated alloys with this temperature.
  • P ⁇ i e ⁇ m l ⁇ lga ⁇ u ⁇ y is ⁇ lzuyu ⁇ of ⁇ a ⁇ i ⁇ ⁇ liches ⁇ va ⁇ , ch ⁇ by amount ⁇ ma and ma ⁇ gania ⁇ mas ⁇ e ⁇ n ⁇ silas ⁇ amount ⁇ imesey dseleza and ⁇ i ⁇ ana ⁇ mas ⁇ e, ⁇ a ⁇ 2.0: 1, ⁇ i ma ⁇ v ⁇ m ⁇ n ⁇ shenii ⁇ ma with ma ⁇ - 30 Ganz ⁇ avn ⁇ m 1: 1.
  • aluminum-brown alloy is produced by the following eutectic ⁇ ostat, most%: extreme - 12.2, 35 iron - 2.0, titanium - 1.0, ⁇ - 3.0, manganese - 3.0 100.
  • the refined melt has a temperature of 800 ° 0.
  • ⁇ and ⁇ are defined by ⁇ * and the offer of ⁇ - 5 * is an aluminum-hemp alloy of an eutectic soda tava, ma ⁇ . : cement - 13.9, iron - 0.8, titanium - 0.4, aluminum - up to 100, the following advantages are achieved in comparison with the known method:
  • the increase in the degree of refining of aluminum-brown alloy of the eutectic alloy is titanium from 67.5 to 70-87.5 $, which is 2, 5-20 ab ⁇ . $.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Silicon Compounds (AREA)

Abstract

Procédé pour le raffinage d'un alliage aluminium-silicium de composition eutectique à partir d'additions de fer et de titane consistant à faire fondre un alliage aluminium-silicium de composition eutectique en conjugaison avec du chrome et du manganèse, à refroidir le bain ainsi obtenu jusqu'à une température de 590 - 660°C et à filtrer le bain refroidi à ladite plage de températures, le chrome et manganèse étant utilisés dans des quantités telles que le rapport de leur poids total à celui des additions de fer et de titane est de (0,2 - 1,1): 1, le rapport entre le chrome et le manganèse étant de (0,1 - 20): 1.
PCT/SU1986/000023 1986-03-21 1986-03-21 Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane WO1987005636A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR8607115A BR8607115A (pt) 1986-03-21 1986-03-21 Processo de refinacao de liga de aluminio-silicio de composicao eutetica de impurezas de ferro e titanio
PCT/SU1986/000023 WO1987005636A1 (fr) 1986-03-21 1986-03-21 Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane
AU61216/86A AU586014B2 (en) 1986-03-21 1986-03-21 Refining eutectic al-si alloy from fe and ti impurities
EP19860904459 EP0269733A4 (fr) 1986-03-21 1986-03-21 Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane.
JP61503683A JPS63503312A (ja) 1986-03-21 1986-03-21 鉄およびチタン不純物からの共晶組成のアルミニウム‐珪素合金の精錬法
IN311/CAL/86A IN162926B (fr) 1986-03-21 1986-04-21
CN86103277.2A CN1004932B (zh) 1986-03-21 1986-05-13 去除铁和钛杂质精炼共晶成分铝硅合金的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/SU1986/000023 WO1987005636A1 (fr) 1986-03-21 1986-03-21 Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane
CN86103277.2A CN1004932B (zh) 1986-03-21 1986-05-13 去除铁和钛杂质精炼共晶成分铝硅合金的方法

Publications (1)

Publication Number Publication Date
WO1987005636A1 true WO1987005636A1 (fr) 1987-09-24

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ID=21616979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1986/000023 WO1987005636A1 (fr) 1986-03-21 1986-03-21 Procede pour le raffinage d'un alliage aluminium-silicium de composition eutectique a partir d'additions de fer et de titane

Country Status (7)

Country Link
EP (1) EP0269733A4 (fr)
JP (1) JPS63503312A (fr)
CN (1) CN1004932B (fr)
AU (1) AU586014B2 (fr)
BR (1) BR8607115A (fr)
IN (1) IN162926B (fr)
WO (1) WO1987005636A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400806A (zh) * 2017-06-15 2017-11-28 中北大学 一种用于再生铝富铁相变质的中间合金及其制备方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500600A (ja) * 1987-08-25 1990-03-01 ドネプロペトロフスキイ　メタルルルギチェスキイ　インスティトゥト　イメニ　エル　イー　ブレジネヴァ アルミニウム合金を精錬する方法
CN100425714C (zh) * 2006-12-04 2008-10-15 山西泰尔钢铁有限公司 从煤矸石或粉煤灰中精制铝硅合金的方法
CN102296212B (zh) * 2011-09-13 2013-01-23 成都银河动力有限公司 P-Fe合金型变质剂及其运用在铝硅合金熔炼中的工艺方法
EP3643680A1 (fr) * 2018-10-23 2020-04-29 SiQAl UG (haftungsbeschränkt) Production couplée de silicium et d'alumine de grande pureté

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU514903A1 (ru) * 1973-10-08 1976-05-25 Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов Способ рафинировани алюминиевых сплавов
DE2934144A1 (de) * 1978-08-23 1980-03-06 Alcan Res & Dev Vorrichtung und verfahren zur entfernung von alkali- und erdalkalimetallen aus geschmolzenem aluminium
SU1108122A1 (ru) * 1983-05-27 1984-08-15 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Им.Л.И.Брежнева Способ переработки высокожелезистого силикоалюмини

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE886077C (de) * 1940-07-05 1953-08-10 Vaw Ver Aluminium Werke Ag Verfahren zur Abtrennung von Eisen aus eisenhaltigen Aluminium-Legierungen
US2464610A (en) * 1940-07-08 1949-03-15 Spolek Method for producing aluminumsilicon alloys
FR976205A (fr) * 1948-10-02 1951-03-15 Alais & Froges & Camarque Cie Procédé d'élimination des impuretés métalliques dans des métaux ou des alliages, en particulier dans des alliages d'aluminium
FR979569A (fr) * 1948-12-03 1951-04-27 Alais & Froges & Camarque Cie Procédé d'élimination des éléments d'alliage indésirables ou des impuretés métalliques dans les métaux ou les alliages, en particulier dans les alliages d'aluminium
US3198625A (en) * 1961-02-08 1965-08-03 Aluminum Co Of America Purification of aluminum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU514903A1 (ru) * 1973-10-08 1976-05-25 Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов Способ рафинировани алюминиевых сплавов
DE2934144A1 (de) * 1978-08-23 1980-03-06 Alcan Res & Dev Vorrichtung und verfahren zur entfernung von alkali- und erdalkalimetallen aus geschmolzenem aluminium
SU1108122A1 (ru) * 1983-05-27 1984-08-15 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Им.Л.И.Брежнева Способ переработки высокожелезистого силикоалюмини

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
G.B. STROGANOV et al. "Splavy Aljuminia s Kremniem", 1977, Metallurgia (Moscow), see pages 117-136, in Particular pages 132-134 *
See also references of EP0269733A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400806A (zh) * 2017-06-15 2017-11-28 中北大学 一种用于再生铝富铁相变质的中间合金及其制备方法
CN107400806B (zh) * 2017-06-15 2019-04-16 中北大学 一种用于再生铝富铁相变质的中间合金及其制备方法

Also Published As

Publication number Publication date
IN162926B (fr) 1988-07-23
CN1004932B (zh) 1989-08-02
AU6121686A (en) 1987-10-09
EP0269733A1 (fr) 1988-06-08
JPS63503312A (ja) 1988-12-02
BR8607115A (pt) 1988-04-05
EP0269733A4 (fr) 1989-05-26
CN86103277A (zh) 1987-11-25
AU586014B2 (en) 1989-06-29

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