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RU2016102002A - METHOD FOR PRODUCING AGLOMERATES AND RESTORED IRON - Google Patents

METHOD FOR PRODUCING AGLOMERATES AND RESTORED IRON Download PDF

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Publication number
RU2016102002A
RU2016102002A RU2016102002A RU2016102002A RU2016102002A RU 2016102002 A RU2016102002 A RU 2016102002A RU 2016102002 A RU2016102002 A RU 2016102002A RU 2016102002 A RU2016102002 A RU 2016102002A RU 2016102002 A RU2016102002 A RU 2016102002A
Authority
RU
Russia
Prior art keywords
carried out
agglomerates
heat treatment
producing
iron oxide
Prior art date
Application number
RU2016102002A
Other languages
Russian (ru)
Other versions
RU2638487C2 (en
Inventor
Осаму Цутия
Хидетоси ТАНАКА
Original Assignee
Кабусики Кайся Кобе Сейко Се (Кобе Стил,Лтд.)
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 Кабусики Кайся Кобе Сейко Се (Кобе Стил,Лтд.) filed Critical Кабусики Кайся Кобе Сейко Се (Кобе Стил,Лтд.)
Publication of RU2016102002A publication Critical patent/RU2016102002A/en
Application granted granted Critical
Publication of RU2638487C2 publication Critical patent/RU2638487C2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/146—Multi-step reduction without melting
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)

Claims (11)

1. Способ производства агломератов, включающий1. The method of production of agglomerates, including этап термообработки порошка, содержащего оксид железа, имеющий 50% частиц с диаметром 2 мкм или менее, при температуре нагрева 900-1200°C, иa heat treatment step for a powder containing iron oxide having 50% of particles with a diameter of 2 μm or less at a heating temperature of 900-1200 ° C, and и этап гранулирования полученного термообработанного порошка в качестве сырья, тем самым производя агломераты.and a granulating step of the obtained heat-treated powder as a raw material, thereby producing agglomerates. 2. Способ по п. 1, в котором гранулирование проводят методом грануляции вальцеванием.2. The method according to p. 1, in which the granulation is carried out by granulation by rolling. 3. Способ по п. 1 или 2, в котором термообработку проводят таким образом, что термообработанный порошок имеет 50% частиц с диаметром 4 мкм или более.3. The method according to p. 1 or 2, in which the heat treatment is carried out in such a way that the heat-treated powder has 50% of particles with a diameter of 4 μm or more. 4. Способ по п. 1 или 2, в котором термообработку проводят в течение периода нагрева 30 мин или дольше.4. The method according to p. 1 or 2, in which the heat treatment is carried out for a heating period of 30 minutes or longer. 5. Способ по п. 1 или 2, в котором термообработку проводят при вальцевании порошка, содержащего оксид железа.5. The method according to p. 1 or 2, in which the heat treatment is carried out by rolling a powder containing iron oxide. 6. Способ по п. 1 или 2, в котором порошок, содержащий оксид железа, является отходом обогащения.6. The method according to p. 1 or 2, in which the powder containing iron oxide is an enrichment waste. 7. Способ по п. 6, в котором отход обогащения представляет собой осадок, который остается после извлечения Ni из никельсодержащей руды.7. The method according to p. 6, in which the enrichment waste is a precipitate that remains after the extraction of Ni from Nickel-containing ore. 8. Способ производства восстановленного железа, в котором агломераты, полученные способом по п. 1 или 2, нагревают, в результате чего производят восстановленное железо.8. A method for producing reduced iron, in which the agglomerates obtained by the method of claim 1 or 2 are heated, whereby reduced iron is produced. 9. Способ по п. 8, в котором агломераты дополнительно содержит углеродосодержащий восстановитель.9. The method according to p. 8, in which the agglomerates further comprises a carbon-containing reducing agent.
RU2016102002A 2013-07-25 2014-05-26 Method for manufacturing agglomerates and reduced iron RU2638487C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013154793A JP5827648B2 (en) 2013-07-25 2013-07-25 Method for producing agglomerates
JP2013-154793 2013-07-25
PCT/JP2014/063829 WO2015011981A1 (en) 2013-07-25 2014-05-26 Method for manufacturing briquettes and reduced iron

Publications (2)

Publication Number Publication Date
RU2016102002A true RU2016102002A (en) 2017-08-30
RU2638487C2 RU2638487C2 (en) 2017-12-13

Family

ID=52393037

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016102002A RU2638487C2 (en) 2013-07-25 2014-05-26 Method for manufacturing agglomerates and reduced iron

Country Status (8)

Country Link
US (1) US20160168654A1 (en)
EP (1) EP3026129A4 (en)
JP (1) JP5827648B2 (en)
CN (1) CN105452496A (en)
AU (1) AU2014294413B2 (en)
PH (1) PH12016500149B1 (en)
RU (1) RU2638487C2 (en)
WO (1) WO2015011981A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7234712B2 (en) * 2019-03-14 2023-03-08 日本製鉄株式会社 Powder agglomerate and method for producing powder agglomerate
RU2706273C1 (en) * 2019-03-27 2019-11-15 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" Granulated slag production method
DE102019207824A1 (en) * 2019-05-28 2020-12-03 Thyssenkrupp Steel Europe Ag Process for the production of iron powder
BR102021018716B1 (en) * 2021-09-20 2023-04-04 Tecnored Desenvolvimento Tecnologico S.A COLD-PRESSED SOLID AGGLOMERATE, AND ITS PRODUCTION PROCESS

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7802010A (en) * 1978-03-31 1979-11-20 Mineracao Brasileiras Reunidas PROCESS TO TRANSFORM FINE IRON ORE OR MANGANES OF GRANULOMETRY LESS THAN 150 MICRA IN RAW MATERIAL FOR SINTERIZATION THROUGH AGGLOMERATION AND CURING AT LOWER TEMPERATURES AT 300GRAD C
US5560762A (en) * 1994-03-24 1996-10-01 Metallgesellschaft Ag Process for the heat treatment of fine-grained iron ore and for the conversion of the heat treated iron ore to metallic iron
AT407346B (en) * 1999-07-27 2001-02-26 Voest Alpine Ind Anlagen METHOD FOR PROCESSING FINE-GRAIN ORE
JP2002167602A (en) * 2000-11-30 2002-06-11 Kawasaki Steel Corp Iron powder, method for producing the same, and method for purifying contaminated soil, water and gas
EP1887091B1 (en) * 2005-05-10 2010-10-13 Nippon Steel Corporation Method for pretreatment of raw materials for sintering
JP5464317B2 (en) * 2007-11-22 2014-04-09 Ｊｆｅスチール株式会社 Manufacturing method of forming raw material for sinter production
JP5459655B2 (en) * 2008-07-18 2014-04-02 Ｊｆｅスチール株式会社 How to treat tailings
JP5571345B2 (en) * 2009-09-29 2014-08-13 株式会社神戸製鋼所 Method for producing briquettes, method for producing reduced metals, and method for separating zinc or lead
RU105625U1 (en) * 2010-12-13 2011-06-20 Владимир Евгеньевич Черных TECHNOLOGICAL LINE FOR THE PRODUCTION OF IRON IRON HIGH QUALITY GRANULATED

Also Published As

Publication number Publication date
EP3026129A4 (en) 2017-03-08
PH12016500149A1 (en) 2016-04-18
AU2014294413A1 (en) 2016-02-18
JP2015025164A (en) 2015-02-05
PH12016500149B1 (en) 2019-10-04
EP3026129A1 (en) 2016-06-01
AU2014294413B2 (en) 2016-09-15
WO2015011981A1 (en) 2015-01-29
JP5827648B2 (en) 2015-12-02
RU2638487C2 (en) 2017-12-13
CN105452496A (en) 2016-03-30
US20160168654A1 (en) 2016-06-16

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20190527