RU2011146598A - METHOD FOR PRODUCING PELLETS FOR METALLURGICAL PRODUCTION - Google Patents
METHOD FOR PRODUCING PELLETS FOR METALLURGICAL PRODUCTION Download PDFInfo
- Publication number
- RU2011146598A RU2011146598A RU2011146598/02A RU2011146598A RU2011146598A RU 2011146598 A RU2011146598 A RU 2011146598A RU 2011146598/02 A RU2011146598/02 A RU 2011146598/02A RU 2011146598 A RU2011146598 A RU 2011146598A RU 2011146598 A RU2011146598 A RU 2011146598A
- Authority
- RU
- Russia
- Prior art keywords
- stage
- firing
- temperature
- roasting
- oxidative
- Prior art date
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Classifications
-
- 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
Abstract
1. Способ получения окатышей для металлургического производства, включающий окомкование основного компонента, сушку и последующий двухстадийный высокотемпературный обжиг, отличающийся тем, что в качестве основного компонента используют красный шлам, а высокотемпературный обжиг разделяют на стадию окислительного обжига и стадию восстановительного обжига, при этом стадию окислительного обжига осуществляют при температуре 1000-1150°C в потоке воздуха, а стадию восстановительного обжига осуществляют при температуре 1100-1200°C в графитизированных тиглях с использованием кокса в качестве восстановителя в количестве 45-55 вес.% от веса окатышей.2. Способ по п.1, отличающийся тем, что продолжительность стадии окислительного обжига принимают 6-10 мин, а продолжительность стадии восстановительного обжига принимают 70-90 мин.1. A method for producing pellets for metallurgical production, including pelletizing the main component, drying and subsequent two-stage high-temperature roasting, characterized in that red mud is used as the main component, and high-temperature roasting is divided into an oxidative roasting stage and a reductive roasting stage, with the oxidative roasting stage. firing is carried out at a temperature of 1000-1150 ° C in an air stream, and the stage of reduction firing is carried out at a temperature of 1100-1200 ° C in graphitized crucibles using coke as a reducing agent in an amount of 45-55 wt% of the pellets. 2. The method according to claim 1, characterized in that the duration of the oxidative roasting stage is taken 6-10 minutes, and the duration of the reduction roasting stage is taken 70-90 minutes.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011146598/02A RU2487952C1 (en) | 2011-11-16 | 2011-11-16 | Method of making pellets for metallurgy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011146598/02A RU2487952C1 (en) | 2011-11-16 | 2011-11-16 | Method of making pellets for metallurgy |
Publications (2)
Publication Number | Publication Date |
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RU2011146598A true RU2011146598A (en) | 2013-05-27 |
RU2487952C1 RU2487952C1 (en) | 2013-07-20 |
Family
ID=48789001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2011146598/02A RU2487952C1 (en) | 2011-11-16 | 2011-11-16 | Method of making pellets for metallurgy |
Country Status (1)
Country | Link |
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RU (1) | RU2487952C1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2542186C1 (en) * | 2013-08-06 | 2015-02-20 | Федеральное государственное бюджетное учреждение науки Институт металлургии Уральского отделения Российской академии наук (ИМЕТ УрО РАН) | Iron-ore pellet obtaining method |
RU2542177C1 (en) * | 2013-10-24 | 2015-02-20 | Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" | Method of red mud processing |
RU2567946C1 (en) * | 2014-06-17 | 2015-11-10 | Государственное предприятие "Украинский научно-технический центр металлургической промышленности "Энергосталь" (ГП "УкрНТЦ "Энергосталь") | Production of iron ore pellets |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU539970A1 (en) * | 1973-07-04 | 1976-12-25 | Челябинский Научно-Исследовательский Институт Металлургии | Method for the production of magnetite pellets |
SU850711A1 (en) * | 1979-05-21 | 1981-07-30 | Всесоюзный Ордена Трудового Крас-Ного Знамени Научно-Исследователь-Ский И Проектный Институт Mexa-Нической Обработки Полезныхископаемых "Механобр" | Method of preparation of thin concentrates for sintering |
RU2016099C1 (en) * | 1990-08-26 | 1994-07-15 | Акционерное общество открытого типа "Всероссийского алюминиево-магниевый институт" | Method of making iron ore agglomerate |
UA18293A (en) * | 1990-08-26 | 1997-12-25 | Всесоюзний Науково-Дослідний І Проектний Інститут Алюмінієвої, Магнієвої Та Електродної Промисловості | StarWriterMETHOD FOR PRODUCTION OF IRON-ORE AGGLOMARATE |
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2011
- 2011-11-16 RU RU2011146598/02A patent/RU2487952C1/en not_active IP Right Cessation
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Publication number | Publication date |
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RU2487952C1 (en) | 2013-07-20 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20131117 |