RU2012148808A - BENTONITE-RELATED PRESSED PRODUCTS OF FINE-FACED OXIDE IRON-CONTAINING MATERIAL - Google Patents

BENTONITE-RELATED PRESSED PRODUCTS OF FINE-FACED OXIDE IRON-CONTAINING MATERIAL Download PDF

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Publication number
RU2012148808A
RU2012148808A RU2012148808/02A RU2012148808A RU2012148808A RU 2012148808 A RU2012148808 A RU 2012148808A RU 2012148808/02 A RU2012148808/02 A RU 2012148808/02A RU 2012148808 A RU2012148808 A RU 2012148808A RU 2012148808 A RU2012148808 A RU 2012148808A
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RU
Russia
Prior art keywords
iron
mixture
minutes
oxide
materials
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RU2012148808/02A
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Russian (ru)
Inventor
Кристиан БЕМ
Хадо ХЕКМАНН
Original Assignee
Сименс Фаи Металз Текнолоджиз Гмбх
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Application filed by Сименс Фаи Металз Текнолоджиз Гмбх filed Critical Сименс Фаи Металз Текнолоджиз Гмбх
Publication of RU2012148808A publication Critical patent/RU2012148808A/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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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
    • 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
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • 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
    • C22B7/02—Working-up flue dust
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2200/00—Recycling of non-gaseous waste material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/002—Evacuating and treating of exhaust gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/38—Removal of waste gases or dust
    • C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
    • 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
    • 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
    • Y02P10/25—Process efficiency

Abstract

1. Способ для изготовления прессованных изделий с содержанием оксида железа из мелкофракционных оксидных железосодержащих материалов, получаемых при разрушении кусковых оксидных железосодержащих материалов, кусковой руды или окатышей, с размером частиц менее 10 м, предпочтительно менее 6,3 мм, особенно предпочтительно менее 5 мм, посредством изготовления смеси, которая включает в себя мелкофракционные оксидные железосодержащие материалы, бентонит в качестве связующего и воду, прессования смеси и отверждения получаемых при прессовании сырых прессованных изделий, отличающийся тем, что смесь после соединения ее компонентов подвергается процессу разминания в течение по меньшей мере от 3 минут, предпочтительно по меньшей мере 5 минут, до 30 минут, предпочтительно до 20 минут, особенно предпочтительно до 15 минут, после чего выполняется прессование.2. Способ по п. 1, отличающийся тем, что смесь включает в себя от 3 до 12 вес.% бентонита, по отношению к количеству мелкофракционных оксидных железосодержащих материалов.3. Способ по п. 1 или 2, отличающийся тем, что смесь также содержит железосодержащие отходы металлургического производства, предпочтительно по меньшей мере один член из группы, содержащей- металлизированный Fe-Fines,- окалину,- пыль из металлургических агрегатов,- металлургический шлам,- материал, происходящий из процесса производства стали, при котором используется полученный с применением изготовленных в соответствии с изобретением прессованных изделий металлизированный материал и/или чугун.4. Способ по п. 1 или 2, отличающийся тем, что смесь также включает в себя гематитовый или лимонитовый материал в форме мел1. A method for manufacturing pressed articles containing iron oxide from fine-fraction iron-containing oxide materials obtained by breaking lumpy oxide iron-containing materials, lump ore or pellets, with a particle size of less than 10 m, preferably less than 6.3 mm, particularly preferably less than 5 mm, by making a mixture that includes fine-grained oxide iron-containing materials, bentonite as a binder and water, pressing the mixture and curing the raw pressed products obtained by pressing, characterized in that the mixture, after combining its components, undergoes a kneading process for at least 3 minutes, preferably at least 5 minutes, up to 30 minutes, preferably up to 20 minutes, particularly preferably up to 15 minutes, after which pressing is performed. The method according to claim 1, characterized in that the mixture comprises from 3 to 12 wt.% Bentonite, in relation to the amount of fine-grained oxide iron-containing materials. A method according to claim 1 or 2, characterized in that the mixture also contains iron-containing wastes from metallurgical production, preferably at least one member from the group containing - metallized Fe-Fines, - scale, - dust from metallurgical units, - metallurgical sludge, - a material originating from a steelmaking process that uses metallized material and / or cast iron obtained using the pressed articles manufactured in accordance with the invention. The method according to claim 1 or 2, characterized in that the mixture also includes hematite or limonite material in the form of chalk

Claims (8)

1. Способ для изготовления прессованных изделий с содержанием оксида железа из мелкофракционных оксидных железосодержащих материалов, получаемых при разрушении кусковых оксидных железосодержащих материалов, кусковой руды или окатышей, с размером частиц менее 10 м, предпочтительно менее 6,3 мм, особенно предпочтительно менее 5 мм, посредством изготовления смеси, которая включает в себя мелкофракционные оксидные железосодержащие материалы, бентонит в качестве связующего и воду, прессования смеси и отверждения получаемых при прессовании сырых прессованных изделий, отличающийся тем, что смесь после соединения ее компонентов подвергается процессу разминания в течение по меньшей мере от 3 минут, предпочтительно по меньшей мере 5 минут, до 30 минут, предпочтительно до 20 минут, особенно предпочтительно до 15 минут, после чего выполняется прессование.1. A method for the manufacture of pressed articles containing iron oxide from finely divided oxide iron-containing materials obtained by breaking down lumpy iron-containing materials, lump ore or pellets, with a particle size of less than 10 m, preferably less than 6.3 mm, particularly preferably less than 5 mm, through the manufacture of a mixture that includes finely divided oxide iron materials, bentonite as a binder and water, pressing the mixture and curing obtained by pressing with raw pressed products, characterized in that the mixture after combining its components is subjected to a kneading process for at least 3 minutes, preferably at least 5 minutes, up to 30 minutes, preferably up to 20 minutes, particularly preferably up to 15 minutes, after which pressing. 2. Способ по п. 1, отличающийся тем, что смесь включает в себя от 3 до 12 вес.% бентонита, по отношению к количеству мелкофракционных оксидных железосодержащих материалов.2. The method according to p. 1, characterized in that the mixture includes from 3 to 12 wt.% Bentonite, in relation to the amount of finely-fractioned oxide iron-containing materials. 3. Способ по п. 1 или 2, отличающийся тем, что смесь также содержит железосодержащие отходы металлургического производства, предпочтительно по меньшей мере один член из группы, содержащей3. The method according to p. 1 or 2, characterized in that the mixture also contains iron-containing waste from metallurgical production, preferably at least one member from the group comprising - металлизированный Fe-Fines,- metallized Fe-Fines, - окалину,- dross - пыль из металлургических агрегатов,- dust from metallurgical units, - металлургический шлам,- metallurgical sludge, - материал, происходящий из процесса производства стали, при котором используется полученный с применением изготовленных в соответствии с изобретением прессованных изделий металлизированный материал и/или чугун.- material originating from the steel production process in which metallized material and / or cast iron obtained using pressed articles made in accordance with the invention are used. 4. Способ по п. 1 или 2, отличающийся тем, что смесь также включает в себя гематитовый или лимонитовый материал в форме мелких частиц.4. The method according to p. 1 or 2, characterized in that the mixture also includes hematite or limonite material in the form of small particles. 5. Способ по п. 1 или 2, отличающийся тем, что смесь также содержит материал в форме мелких частиц, получаемый при очистке от пыли колошникового газа, восстановительного газа или генераторного газа установки для восстановления оксидных железосодержащих материалов посредством восстановительного газа.5. The method according to p. 1 or 2, characterized in that the mixture also contains material in the form of fine particles obtained by cleaning dust from the top gas, reducing gas or generator gas of the installation for reducing iron oxide materials by means of reducing gas. 6. Способ по п. 1 или 2, отличающийся тем, что во время процесса разминания осуществляется нагрев смеси.6. The method according to p. 1 or 2, characterized in that during the kneading process the mixture is heated. 7. Прессованное изделие, получаемое способом по любому из пп. 1-6.7. A molded product obtained by the method according to any one of paragraphs. 1-6. 8. Применение прессованного изделия по п. 7 в качестве кусковых оксидных железосодержащих материалов для изготовления металлизированных материалов или жидкого чугуна. 8. The use of a molded product according to claim 7 as lump oxide iron-containing materials for the manufacture of metallized materials or molten iron.
RU2012148808/02A 2010-04-19 2011-03-21 BENTONITE-RELATED PRESSED PRODUCTS OF FINE-FACED OXIDE IRON-CONTAINING MATERIAL RU2012148808A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0063610A AT509072B1 (en) 2010-04-19 2010-04-19 BENTONITE-BOUNDED PRESS LEGS BELOW OXIDIC ICE CARRIER
ATA636/2010 2010-04-19
PCT/EP2011/054214 WO2011131433A1 (en) 2010-04-19 2011-03-21 Bentonite-bonded pressed articles from fine-grain oxidic iron carriers

Publications (1)

Publication Number Publication Date
RU2012148808A true RU2012148808A (en) 2014-05-27

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RU2012148808/02A RU2012148808A (en) 2010-04-19 2011-03-21 BENTONITE-RELATED PRESSED PRODUCTS OF FINE-FACED OXIDE IRON-CONTAINING MATERIAL

Country Status (12)

Country Link
US (1) US20130032005A1 (en)
EP (1) EP2561107A1 (en)
JP (1) JP2013525605A (en)
KR (1) KR20130058693A (en)
CN (1) CN102918169A (en)
AT (1) AT509072B1 (en)
AU (1) AU2011244599A1 (en)
BR (1) BR112012026713A2 (en)
CA (1) CA2796688A1 (en)
MX (1) MX2012012186A (en)
RU (1) RU2012148808A (en)
WO (1) WO2011131433A1 (en)

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CN113366128A (en) * 2018-12-12 2021-09-07 耶稣大拇指 A method of briquetting coal from pellet fines, DRI sludge, DRI fines and residual fines from DRI dust treatment system
EP4163402A1 (en) * 2021-10-07 2023-04-12 voestalpine Texas LLC Induction heating of dri

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Publication number Publication date
EP2561107A1 (en) 2013-02-27
WO2011131433A1 (en) 2011-10-27
AT509072B1 (en) 2011-06-15
CA2796688A1 (en) 2011-10-27
MX2012012186A (en) 2012-12-17
CN102918169A (en) 2013-02-06
AU2011244599A1 (en) 2012-11-29
KR20130058693A (en) 2013-06-04
US20130032005A1 (en) 2013-02-07
BR112012026713A2 (en) 2016-07-12
AT509072A4 (en) 2011-06-15
JP2013525605A (en) 2013-06-20

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Effective date: 20151210