CA2531697C - 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: CA2531697C
Authority: CA; Canada
Prior art keywords: iron ore; fine iron; fluidized bed; particles; bed type
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.): Expired - Fee Related

Application number

CA002531697A

Other languages

English (en)

Other versions

CA2531697A1 (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

Voest Alpine Industrienlagenbau GmbH

Research Institute of Industrial Science and Technology RIST

Pohang Iron and Steel Co Ltd

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

2008-11-18

1999-12-16 Application filed by Voest Alpine Industrienlagenbau GmbH, Research Institute of Industrial Science and Technology RIST, Pohang Iron and Steel Co Ltd filed Critical Voest Alpine Industrienlagenbau GmbH

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 claims abstract description 263
229910052742 iron Inorganic materials 0.000 title claims abstract description 128
238000000034 method Methods 0.000 title claims abstract description 32
230000003247 decreasing effect Effects 0.000 title claims abstract description 17
239000002245 particle Substances 0.000 claims abstract description 99
239000010802 sludge Substances 0.000 claims abstract description 46
238000001035 drying Methods 0.000 claims abstract description 11
239000000203 mixture Substances 0.000 claims description 14
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
229910052681 coesite Inorganic materials 0.000 claims description 6
229910052906 cristobalite Inorganic materials 0.000 claims description 6
238000000926 separation method Methods 0.000 claims description 6
229910052682 stishovite Inorganic materials 0.000 claims description 6
229910052905 tridymite Inorganic materials 0.000 claims description 6
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
229910052593 corundum Inorganic materials 0.000 claims 1
239000000377 silicon dioxide Substances 0.000 claims 1
235000012239 silicon dioxide Nutrition 0.000 claims 1
229910001845 yogo sapphire Inorganic materials 0.000 claims 1
239000011248 coating agent Substances 0.000 abstract description 7
238000000576 coating method Methods 0.000 abstract description 7
235000019738 Limestone Nutrition 0.000 abstract description 6
239000006028 limestone Substances 0.000 abstract description 6
239000010459 dolomite Substances 0.000 abstract description 5
229910000514 dolomite Inorganic materials 0.000 abstract description 5
229910000019 calcium carbonate Inorganic materials 0.000 abstract description 4
229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 2
238000002156 mixing Methods 0.000 abstract description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
235000010216 calcium carbonate Nutrition 0.000 abstract 2
239000001095 magnesium carbonate Substances 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
239000007789 gas Substances 0.000 description 38
239000000654 additive Substances 0.000 description 33
230000000996 additive effect Effects 0.000 description 33
230000009467 reduction Effects 0.000 description 29
238000009826 distribution Methods 0.000 description 12
239000010419 fine particle Substances 0.000 description 10
230000008569 process Effects 0.000 description 10
230000015556 catabolic process Effects 0.000 description 9
238000006731 degradation reaction Methods 0.000 description 9
238000002474 experimental method Methods 0.000 description 9
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
229910052799 carbon Inorganic materials 0.000 description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
238000005054 agglomeration Methods 0.000 description 4
230000002776 aggregation Effects 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
238000002844 melting Methods 0.000 description 4
230000008018 melting Effects 0.000 description 4
239000000126 substance Substances 0.000 description 4
101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 3
239000003245 coal Substances 0.000 description 3
238000011084 recovery Methods 0.000 description 3
238000011160 research Methods 0.000 description 3
239000007787 solid Substances 0.000 description 3
208000035699 Distal ileal obstruction syndrome Diseases 0.000 description 2
238000003723 Smelting Methods 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000007599 discharging Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
229910052814 silicon oxide Inorganic materials 0.000 description 2
238000005245 sintering Methods 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 1
230000001413 cellular effect Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000011362 coarse particle Substances 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
230000035699 permeability Effects 0.000 description 1
JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000011946 reduction process Methods 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000009423 ventilation Methods 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 CA2531697A1 (fr)	2001-06-21
CA2531697C true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112795791B (zh) *	2020-12-08	2023-03-24	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

Also Published As

Publication number	Publication date
CA2531697A1 (fr)	2001-06-21

Legal Events

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

Publication	Publication Date	Title
CA2184009C (fr)	2000-05-30	Appareil de reduction de type lit fluidise pour particules de minerai de fer et procede de reduction des particules de minerai de fer a l'aide de l'appareil
US5762681A (en)	1998-06-09	Fluidized bed type reduction apparatus for iron ores and method for reducing iron ores using the apparatus
CZ323196A3 (cs)	1998-08-12	Způsob výroby kapalného surového železa nebo kapalných předproduktů oceli a za tepla briketovaného železa
EP1177322B1 (fr)	2005-03-09	Reacteur a lit fluidise empechant l'agglutination du minerais fin de fer et procede associe
CN100523225C (zh)	2009-08-05	在高炉中提高铁产率的方法
CA2531697C (fr)	2008-11-18	Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise
CA2363102C (fr)	2007-05-22	Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit fluidise
AU717927B2 (en)	2000-04-06	Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor
JP4228678B2 (ja)	2009-02-25	焼結用原料の製造方法
KR100321050B1 (ko)	2002-04-17	분철광석의유동층식예비환원장치및이를이용한예비환원방법
KR100276346B1 (ko)	2000-12-15	유동층식환원장치를이용한분철광석의환원방법
JPH06220513A (ja)	1994-08-09	粉鉄鉱石の循環流動層式予備還元炉
CA1204943A (fr)	1986-05-27	Methode de production du fer spongieux par reduction directe de matieres a teneur d'oxyde de fer
KR100321051B1 (ko)	2002-04-17	낙광처리가가능한용선제조장치및이를이용한용선제조방법
KR100276348B1 (ko)	2000-12-15	분철광석의유동층환원조업에있어서분철광석의비산손실저감방법
JPH0826416B2 (ja)	1996-03-13	耐クラスタリング性に優れた直接製鉄用または溶融還元製鉄用製鉄原料
KR100236191B1 (ko)	1999-12-15	분철광석의 유동층식 예비환원장치 및 이를 이용한 예비환원방법
KR100276347B1 (ko)	2000-12-15	분철광석의유동층식예비환원장치및이를이용한예비환원방법
JPH01129917A (ja)	1989-05-23	環元炉における原料の予熱装入装置
KR20000020206A (ko)	2000-04-15	분철광석의 유동층식 환원방법 및 그 환원장치