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RU94005991A - METHOD OF REFINING ALUMINUM AND ITS ALLOYS FROM SODIUM AND CALCIUM - Google Patents

METHOD OF REFINING ALUMINUM AND ITS ALLOYS FROM SODIUM AND CALCIUM

Info

Publication number
RU94005991A
RU94005991A RU94005991/02A RU94005991A RU94005991A RU 94005991 A RU94005991 A RU 94005991A RU 94005991/02 A RU94005991/02 A RU 94005991/02A RU 94005991 A RU94005991 A RU 94005991A RU 94005991 A RU94005991 A RU 94005991A
Authority
RU
Russia
Prior art keywords
refining
aluminum
alloys
calcium
sodium
Prior art date
Application number
RU94005991/02A
Other languages
Russian (ru)
Other versions
RU2068017C1 (en
Inventor
В.А. Дегтярь
В.П. Кадричев
В.В. Кадричев
М.С. Колесов
А.Ф. Пинаев
С.В. Волков
С.Г. Стародубов
Original Assignee
Акционерное общество "Новокузнецкий алюминиевый завод"
Filing date
Publication date
Application filed by Акционерное общество "Новокузнецкий алюминиевый завод" filed Critical Акционерное общество "Новокузнецкий алюминиевый завод"
Priority to RU94005991A priority Critical patent/RU2068017C1/en
Priority claimed from RU94005991A external-priority patent/RU2068017C1/en
Publication of RU94005991A publication Critical patent/RU94005991A/en
Application granted granted Critical
Publication of RU2068017C1 publication Critical patent/RU2068017C1/en

Links

Claims (1)

Изобретение относится к металлургии цветных металлов, а именно к рафинированию алюминия и его сплавов от натрия и кальция. Цель изобретения - увеличение степени рафинирования, сокращение времени рафинирования, а также снижение гигроскопичности и летучести флюса. Способ рафинирования включает в себя расплавление алюминия, снятие шлака, нанесение на поверхность расплава флюса, содержащего хлорид калия и фторид алюминия в следующих соотношениях компонентов (по массе): KCl:AlF3 = 0,85-0,95:1, расплавление флюса, перемешивание, выдержку, снятие шлака и разливку алюминия. Процесс рафинирования ведут при 710-740°С.The invention relates to the metallurgy of non-ferrous metals, namely, the refining of aluminum and its alloys from sodium and calcium. The purpose of the invention is to increase the degree of refining, reducing the time of refining, as well as reducing the hygroscopicity and volatility of the flux. The method of refining includes melting aluminum, removing slag, applying a flux containing potassium chloride and aluminum fluoride to the melt surface in the following ratios of components (by mass): KCl: AlF 3 = 0.85-0.95: 1, melting the flux, mixing, aging, removing slag and casting aluminum. The refining process is carried out at 710-740 ° C.
RU94005991A 1994-02-21 1994-02-21 Method of refining aluminium from sodium and calcium RU2068017C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94005991A RU2068017C1 (en) 1994-02-21 1994-02-21 Method of refining aluminium from sodium and calcium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94005991A RU2068017C1 (en) 1994-02-21 1994-02-21 Method of refining aluminium from sodium and calcium

Publications (2)

Publication Number Publication Date
RU94005991A true RU94005991A (en) 1995-10-20
RU2068017C1 RU2068017C1 (en) 1996-10-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU94005991A RU2068017C1 (en) 1994-02-21 1994-02-21 Method of refining aluminium from sodium and calcium

Country Status (1)

Country Link
RU (1) RU2068017C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2227166C1 (en) * 2003-01-16 2004-04-20 ООО "Промтрейдинтелл" A method of refining of a siliceous alloy of aluminum from calcium

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