CA2531697A1 - Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise - Google Patents

Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise Download PDF

Info

Publication number: CA2531697A1
Authority: CA; Canada
Prior art keywords: iron ore; fine iron; fluidized bed; bed type; decreasing
Prior art date: 1999-12-16
Legal status (The legal status 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 status listed.): Granted

Application number

CA002531697A

Other languages

English (en)

Other versions

CA2531697C (fr

Inventor

Heung-Won Kang

Uoo-Chang Chung

Hang-Goo Kim

Sun-Kwang Jeong

Nag-Joon Choi

Albert Zschetzsche

Udo Gennari

Franz Hauzenberger

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Primetals Technologies Austria GmbH

Research Institute of Industrial Science and Technology RIST

Posco Holdings Inc

Original Assignee

Individual

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.)

1999-12-16

Filing date

1999-12-16

Publication date

2001-06-21

1999-12-16 Application filed by Individual filed Critical Individual

1999-12-16 Priority claimed from CA002363102A external-priority patent/CA2363102C/fr

2001-06-21 Publication of CA2531697A1 publication Critical patent/CA2531697A1/fr

2008-11-18 Application granted granted Critical

2008-11-18 Publication of CA2531697C publication Critical patent/CA2531697C/fr

2019-12-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 12
229910052742 iron Inorganic materials 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 4
230000003247 decreasing effect Effects 0.000 title abstract 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
235000010216 calcium carbonate Nutrition 0.000 abstract 2
239000002245 particle Substances 0.000 abstract 2
235000019738 Limestone Nutrition 0.000 abstract 1
239000011248 coating agent Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 abstract 1
239000010459 dolomite Substances 0.000 abstract 1
229910000514 dolomite Inorganic materials 0.000 abstract 1
238000001035 drying Methods 0.000 abstract 1
239000006028 limestone Substances 0.000 abstract 1
239000001095 magnesium carbonate Substances 0.000 abstract 1
229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
235000014380 magnesium carbonate Nutrition 0.000 abstract 1
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
239000010802 sludge Substances 0.000 abstract 1
0 CC1CC(C*)[C@@](C)CC1 Chemical compound CC1CC(C*)[C@@](C)CC1 0.000 description 1
IFTRQJLVEBNKJK-UHFFFAOYSA-N CCC1CCCC1 Chemical compound CCC1CCCC1 IFTRQJLVEBNKJK-UHFFFAOYSA-N 0.000 description 1
DRUOYXQMVSLHAR-UHFFFAOYSA-N CCN1C(C)C1 Chemical compound CCN1C(C)C1 DRUOYXQMVSLHAR-UHFFFAOYSA-N 0.000 description 1

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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
- C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/008—Use of special additives or fluxing agents
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Mechanical Engineering (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Iron (AREA)

CA002531697A 1999-12-16 1999-12-16 Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise Expired - Fee Related CA2531697C (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA002363102A CA2363102C (fr)	1999-12-16	1999-12-16	Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit fluidise

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002363102A Division CA2363102C (fr)	1999-12-16	1999-12-16	Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit fluidise

Publications (2)

Publication Number	Publication Date
CA2531697A1 true CA2531697A1 (fr)	2001-06-21
CA2531697C CA2531697C (fr)	2008-11-18

Family

ID=36035918

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002531697A Expired - Fee Related CA2531697C (fr)	1999-12-16	1999-12-16	Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise

Country Status (1)

Country	Link
CA (1)	CA2531697C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112795791A (zh) *	2020-12-08	2021-05-14	上海江竑环保科技有限公司	电磁焙烧冶金尘泥还原氧化重金属的分离系统及使用方法

1999
- 1999-12-16 CA CA002531697A patent/CA2531697C/fr not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112795791A (zh) *	2020-12-08	2021-05-14	上海江竑环保科技有限公司	电磁焙烧冶金尘泥还原氧化重金属的分离系统及使用方法

Also Published As

Publication number	Publication date
CA2531697C (fr)	2008-11-18

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Legal Events

Date	Code	Title	Description
2006-01-24	EEER	Examination request
2016-01-27	MKLA	Lapsed	Effective date: 20151216