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RU2015122088A - METHOD FOR PROCESSING OXIDIZED NICKEL ORES AND DUMP NICKEL SLAGS BY CHEMICAL AND THERMAL TREATMENT - Google Patents

METHOD FOR PROCESSING OXIDIZED NICKEL ORES AND DUMP NICKEL SLAGS BY CHEMICAL AND THERMAL TREATMENT Download PDF

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Publication number
RU2015122088A
RU2015122088A RU2015122088A RU2015122088A RU2015122088A RU 2015122088 A RU2015122088 A RU 2015122088A RU 2015122088 A RU2015122088 A RU 2015122088A RU 2015122088 A RU2015122088 A RU 2015122088A RU 2015122088 A RU2015122088 A RU 2015122088A
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RU
Russia
Prior art keywords
nickel
dump
slag
mixture
weight
Prior art date
Application number
RU2015122088A
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Russian (ru)
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RU2621496C2 (en
Inventor
Александр Александрович Веселовский
Original Assignee
Александр Александрович Веселовский
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Application filed by Александр Александрович Веселовский filed Critical Александр Александрович Веселовский
Priority to RU2015122088A priority Critical patent/RU2621496C2/en
Publication of RU2015122088A publication Critical patent/RU2015122088A/en
Application granted granted Critical
Publication of RU2621496C2 publication Critical patent/RU2621496C2/en

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Classifications

    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Manufacture And Refinement Of Metals (AREA)

Claims (1)

Способ переработки окисленных никелевых руд и отвальных никелевых шлаков химико-термической обработкой, включающий дробление отвального никелевого шлака в шаровой мельнице и просеивание через сито с размером ячейки 1 мм, последующее смешение шлака в количестве 80-90% масс., с 10-20% масс., стальной стружки и 2-5% масс., хлористого аммония, упаковку смеси в контейнер, нагрев контейнера со смесью до 1050-1100°С, выдержку при этой температуре в течение 4-6 часов и последующее охлаждение, отличающийся тем, что после дробления окисленной никелевой руды или отвального никелевого шлака в шаровой мельнице и просеиванием через сито с размером ячейки 1 мм, руду или шлак в количестве 85% масс., смешивают с хлоридом натрия в количестве 10% масс. и коксиком в количестве 5% масс., полученную смесь помещают в трубчатую нагревательную печь и нагревают до температуры 950°С с последующей выдержкой в течение 0,5-1,0 часа, а после охлаждения полученную смесь подвергают магнитной сепарации, отделяя для дальнейшей работы магнитную составляющую, магнитную составляющую смеси смешивают со стружкой, полученной от распиловки заготовок из низкоуглеродистых марок сталей на ленточнопильном станке в количествах 80-90% масс., магнитной фракции и 10-20% масс., стружки, сверх 100% добавляют 5% хлорида натрия, нагревают полученную смесь в трубчатой печи до температуры 1000-1100°С и выдерживают в течение 4-6 часов, по истечению заданного времени выдержки и охлаждения отделяют стружку от остатков отвального шлака или руды магнитной сепарацией, а затем стружку после предварительного брикетирования расплавляют в электродуговой печи, и разливают полученный металл в слитки.A method for processing oxidized nickel ores and dump nickel slags by chemical-thermal treatment, including crushing dump nickel slag in a ball mill and sieving through a sieve with a mesh size of 1 mm, subsequent mixing of slag in an amount of 80-90% by weight, from 10-20% by weight ., steel shavings and 2-5% wt., ammonium chloride, packing the mixture in a container, heating the container with the mixture to 1050-1100 ° C, holding at this temperature for 4-6 hours and subsequent cooling, characterized in that after crushing of oxidized nickel ore or about nickel iron slag in a ball mill and sifting through a sieve with a mesh size of 1 mm, ore or slag in an amount of 85 wt%, mixed with sodium chloride in an amount of 10 wt%. and coke in the amount of 5 wt.%, the resulting mixture is placed in a tubular heating furnace and heated to a temperature of 950 ° C, followed by exposure for 0.5-1.0 hours, and after cooling, the resulting mixture is subjected to magnetic separation, separating for further work the magnetic component, the magnetic component of the mixture is mixed with shavings obtained from sawing blanks of low carbon steel grades on a band saw in quantities of 80-90% by weight, magnetic fraction and 10-20% by weight, shavings, 5% sodium chloride is added in excess of 100% , heat the resulting mixture is chewed in a tube furnace to a temperature of 1000-1100 ° C and held for 4-6 hours, after a predetermined holding and cooling time, the chips are separated from the remnants of dump slag or ore by magnetic separation, and then the chips after preliminary briquetting are melted in an electric arc furnace , and pour the resulting metal into ingots.
RU2015122088A 2015-06-09 2015-06-09 Processing method of oxidized nickel ores and dump nickel slags by chemical heat treatment RU2621496C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015122088A RU2621496C2 (en) 2015-06-09 2015-06-09 Processing method of oxidized nickel ores and dump nickel slags by chemical heat treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015122088A RU2621496C2 (en) 2015-06-09 2015-06-09 Processing method of oxidized nickel ores and dump nickel slags by chemical heat treatment

Publications (2)

Publication Number Publication Date
RU2015122088A true RU2015122088A (en) 2017-01-10
RU2621496C2 RU2621496C2 (en) 2017-06-06

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Family Applications (1)

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RU2015122088A RU2621496C2 (en) 2015-06-09 2015-06-09 Processing method of oxidized nickel ores and dump nickel slags by chemical heat treatment

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA921708A (en) * 1970-07-08 1973-02-27 C. E. Bell Malcolm Reduction of nickel and cobalt oxides
FR2205575B1 (en) * 1972-11-06 1975-04-25 Penarroya Miniere Metall
SE500352C2 (en) * 1982-04-07 1994-06-06 Nordic Distributor Supply Ab Ways of extracting metals from liquid slag
US4445932A (en) * 1982-07-12 1984-05-01 Gosudarstvenny Proektny I Nauchno-Issledovatelsky Institut Gipronikel Method of recovering ferronickel from oxidated nickel ores
RU2211252C2 (en) * 2001-11-08 2003-08-27 Государственное учреждение Институт металлургии Уральского отделения РАН Process of reductive-sulfidizing blast smelting of oxidized nickel ores
RU2244028C1 (en) * 2003-04-30 2005-01-10 Государственное учреждение Институт металлургии Уральского отделения РАН Method of depleting slags from smelting of oxidized nickel ores
RU2514750C1 (en) * 2012-09-07 2014-05-10 Александр Александрович Веселовский Method of nickel production dump converter slags processing with production of semi-finished nickel for fabrication of "20хн2м" and "20н2м" steels

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Publication number Publication date
RU2621496C2 (en) 2017-06-06

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Effective date: 20170610