RU2007486C1 - Method of production of niobium-nickel master alloy in electric furnace - Google Patents
Method of production of niobium-nickel master alloy in electric furnace Download PDFInfo
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- RU2007486C1 RU2007486C1 SU4866103A RU2007486C1 RU 2007486 C1 RU2007486 C1 RU 2007486C1 SU 4866103 A SU4866103 A SU 4866103A RU 2007486 C1 RU2007486 C1 RU 2007486C1
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Abstract
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Изобретение относится к металлургии, в частности к производству ниобийникельсодержащих лигатур, используемых для легирования специальных сталей и сплавов. The invention relates to metallurgy, in particular to the production of niobium nickel-containing alloys used for alloying special steels and alloys.
Цель изобретения - снижение потерь никеля и повышение степени извлечения ниобия. Примеры конкретного осуществления способа. The purpose of the invention is to reduce Nickel losses and increase the degree of extraction of niobium. Examples of specific implementation of the method.
Опытные плавки проводили в дуговой печи мощностью 2,0 мВА с наклоняющимся плавильным горном. The experimental melts were carried out in an arc furnace with a capacity of 2.0 mVA with an inclined melting furnace.
Металлическую часть шихты предварительно загружали на дно плавильного горна и расплавляли с помощью электропечи по мере загрузки запальной части шихты. Добавки фторида кальция осуществляли одновременно с загрузкой и проплавлением запальной и рафинирующей частей шихты. The metal part of the charge was preloaded onto the bottom of the smelting furnace and melted using an electric furnace as the ignition part of the charge was loaded. Calcium fluoride was added simultaneously with loading and penetration of the ignition and refining parts of the charge.
После расплавления металлической и запальной частей шихты, загружали и проплавляли остальную шихту. After melting the metal and ignition parts of the charge, the rest of the charge was loaded and melted.
В качестве шихтовых материалов использовали: никель металлический марки H1Y, пятиокись ниобия техническую (99,3% Nb2O5), порошок алюминия первичного (99,7% Al), селитру натриевую (92,6% NaNO3), шлак предыдущей выплавки лигатуры (28,1% CaO, 66,1% Al2O3, 1,7% Nb2O5), металлические отходы чистки лигатуры (34,8% Nb, 56,3% Ni), фторид кальция - плавиковый шпат.The following materials were used as charge materials: metallic nickel H1Y, technical niobium pentoxide (99.3% Nb 2 O 5 ), primary aluminum powder (99.7% Al), sodium nitrate (92.6% NaNO 3 ), previous smelting slag ligatures (28.1% CaO, 66.1% Al 2 O 3 , 1.7% Nb 2 O 5 ), metal wastes for cleaning ligatures (34.8% Nb, 56.3% Ni), calcium fluoride - fluorspar .
Основные результаты промышленных опытов приведены в таблице. The main results of industrial experiments are given in the table.
Как видно из таблицы, реализация предлагаемого способа позволяет повысить извлечение ниобия на 1,0-1,8% и снизить потери никеля на 1,5-2,3% . (56) Технологическая инструкция ТИ-141-Ф-07.2-86. Изменение N 1. Ключевский завод ферросплавов. As can be seen from the table, the implementation of the proposed method can increase the extraction of niobium by 1.0-1.8% and reduce nickel losses by 1.5-2.3%. (56) Technological instruction TI-141-F-07.2-86. Change
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SU4866103 RU2007486C1 (en) | 1990-09-12 | 1990-09-12 | Method of production of niobium-nickel master alloy in electric furnace |
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SU4866103 RU2007486C1 (en) | 1990-09-12 | 1990-09-12 | Method of production of niobium-nickel master alloy in electric furnace |
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RU2007486C1 true RU2007486C1 (en) | 1994-02-15 |
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SU4866103 RU2007486C1 (en) | 1990-09-12 | 1990-09-12 | Method of production of niobium-nickel master alloy in electric furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104141083A (en) * | 2013-05-10 | 2014-11-12 | 大连融德特种材料有限公司 | Production method for nickel-niobium alloy |
RU2697122C1 (en) * | 2016-02-15 | 2019-08-12 | ЭйТиАй ПРОПЕРТИЗ ЭлЭлСи | Methods for production of tantalum alloys and niobium alloys |
-
1990
- 1990-09-12 RU SU4866103 patent/RU2007486C1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104141083A (en) * | 2013-05-10 | 2014-11-12 | 大连融德特种材料有限公司 | Production method for nickel-niobium alloy |
RU2697122C1 (en) * | 2016-02-15 | 2019-08-12 | ЭйТиАй ПРОПЕРТИЗ ЭлЭлСи | Methods for production of tantalum alloys and niobium alloys |
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