CA2630236C - Procede servant a produire du fer metallique - Google Patents

Procede servant a produire du fer metallique Download PDF

Info

Publication number: CA2630236C
Authority: CA; Canada
Prior art keywords: slag; iron; raw material; iron oxide; heating
Prior art date: 2006-01-17
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

CA2630236A

Other languages

English (en)

Other versions

CA2630236A1 (fr

Inventor

Akira Uragami

Isao Kobayashi

Mitsutaka Hino

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.)

Kobe Steel Ltd

Original Assignee

Kobe Steel 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.)

2006-01-17

Filing date

2006-11-30

Publication date

2012-07-31

2006-11-30 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2007-07-26 Publication of CA2630236A1 publication Critical patent/CA2630236A1/fr

2012-07-31 Application granted granted Critical

2012-07-31 Publication of CA2630236C publication Critical patent/CA2630236C/fr

Status Expired - Fee Related legal-status Critical Current

2026-11-30 Anticipated expiration legal-status Critical

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 340
229910052742 iron Inorganic materials 0.000 title claims abstract description 152
238000000034 method Methods 0.000 title claims abstract description 69
238000004519 manufacturing process Methods 0.000 title claims abstract description 22
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 271
239000002893 slag Substances 0.000 claims abstract description 185
239000000203 mixture Substances 0.000 claims abstract description 100
239000002994 raw material Substances 0.000 claims abstract description 93
238000010438 heat treatment Methods 0.000 claims abstract description 83
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 75
229910052799 carbon Inorganic materials 0.000 claims abstract description 74
239000003638 chemical reducing agent Substances 0.000 claims abstract description 42
239000000463 material Substances 0.000 claims abstract description 29
230000015572 biosynthetic process Effects 0.000 claims abstract description 10
230000009467 reduction Effects 0.000 claims description 43
238000002844 melting Methods 0.000 claims description 30
230000008018 melting Effects 0.000 claims description 29
238000010587 phase diagram Methods 0.000 claims description 15
239000003795 chemical substances by application Substances 0.000 claims description 7
238000002360 preparation method Methods 0.000 claims description 7
239000000654 additive Substances 0.000 claims description 4
230000000996 additive effect Effects 0.000 claims description 3
238000006722 reduction reaction Methods 0.000 description 40
239000007787 solid Substances 0.000 description 36
230000003247 decreasing effect Effects 0.000 description 31
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 28
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 26
239000003575 carbonaceous material Substances 0.000 description 25
238000001465 metallisation Methods 0.000 description 23
239000007788 liquid Substances 0.000 description 19
229910052681 coesite Inorganic materials 0.000 description 15
229910052906 cristobalite Inorganic materials 0.000 description 15
229910052682 stishovite Inorganic materials 0.000 description 15
229910052905 tridymite Inorganic materials 0.000 description 15
239000002956 ash Substances 0.000 description 13
230000001965 increasing effect Effects 0.000 description 13
239000000377 silicon dioxide Substances 0.000 description 10
230000008569 process Effects 0.000 description 9
235000012239 silicon dioxide Nutrition 0.000 description 9
NJXPYZHXZZCTNI-UHFFFAOYSA-N 3-aminobenzonitrile Chemical compound NC1=CC=CC(C#N)=C1 NJXPYZHXZZCTNI-UHFFFAOYSA-N 0.000 description 7
239000006227 byproduct Substances 0.000 description 7
239000000047 product Substances 0.000 description 7
239000003245 coal Substances 0.000 description 5
238000002474 experimental method Methods 0.000 description 5
238000002156 mixing Methods 0.000 description 5
239000012071 phase Substances 0.000 description 5
229910017112 Fe—C Inorganic materials 0.000 description 4
230000008859 change Effects 0.000 description 4
235000019738 Limestone Nutrition 0.000 description 3
230000006872 improvement Effects 0.000 description 3
239000006028 limestone Substances 0.000 description 3
238000010309 melting process Methods 0.000 description 3
239000002245 particle Substances 0.000 description 3
239000008188 pellet Substances 0.000 description 3
238000000926 separation method Methods 0.000 description 3
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
239000002585 base Substances 0.000 description 2
239000011230 binding agent Substances 0.000 description 2
238000005255 carburizing Methods 0.000 description 2
239000000571 coke Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000003028 elevating effect Effects 0.000 description 2
230000005496 eutectics Effects 0.000 description 2
230000004907 flux Effects 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
239000000155 melt Substances 0.000 description 2
239000011707 mineral Substances 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000007711 solidification Methods 0.000 description 2
230000008023 solidification Effects 0.000 description 2
239000010959 steel Substances 0.000 description 2
239000002699 waste material Substances 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
229910000805 Pig iron Inorganic materials 0.000 description 1
239000003513 alkali Substances 0.000 description 1
WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
229910001570 bauxite Inorganic materials 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
238000004364 calculation method Methods 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
238000003763 carbonization Methods 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000010883 coal ash Substances 0.000 description 1
229910052593 corundum Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000010191 image analysis Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical group [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
238000007885 magnetic separation Methods 0.000 description 1
239000006148 magnetic separator Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000011946 reduction process Methods 0.000 description 1
239000011435 rock Substances 0.000 description 1
230000009291 secondary effect Effects 0.000 description 1
238000007873 sieving Methods 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
230000002194 synthesizing effect Effects 0.000 description 1
229910001845 yogo sapphire Inorganic materials 0.000 description 1

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
- C21B13/0046—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
- 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
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
- 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

Landscapes

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

CA2630236A 2006-01-17 2006-11-30 Procede servant a produire du fer metallique Expired - Fee Related CA2630236C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2006008743A JP4981320B2 (ja)	2006-01-17	2006-01-17	金属鉄の製法
JP2006-008743		2006-01-17
PCT/JP2006/323928 WO2007083450A1 (fr)	2006-01-17	2006-11-30	Procédé servant à produire du fer métallique

Publications (2)

Publication Number	Publication Date
CA2630236A1 CA2630236A1 (fr)	2007-07-26
CA2630236C true CA2630236C (fr)	2012-07-31

Family

ID=38287408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2630236A Expired - Fee Related CA2630236C (fr)	2006-01-17	2006-11-30	Procede servant a produire du fer metallique

Country Status (8)

Country	Link
US (1)	US20090282950A1 (fr)
JP (1)	JP4981320B2 (fr)
CN (1)	CN101331239B (fr)
AU (1)	AU2006335814B2 (fr)
CA (1)	CA2630236C (fr)
RU (1)	RU2388830C1 (fr)
TW (1)	TWI307365B (fr)
WO (1)	WO2007083450A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2010261101A (ja) *	2009-04-07	2010-11-18	Mitsutaka Hino	金属鉄の製法
CN102803523A (zh) *	2010-03-25	2012-11-28	株式会社神户制钢所	含碳氧化铁团块及其制造方法以及使用了它的还原铁制造方法
CA2803815A1 (fr) *	2010-08-30	2012-03-08	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Procede de production de fer metallique granulaire
KR101293625B1 (ko)	2011-08-26	2013-08-13	우진 일렉트로나이트(주)	용융 슬래그 중 산화철 측정방법
US20260139337A1 (en) *	2022-09-26	2026-05-21	Electrasteel, Inc.	Iron feedstock conversion system with improved efficiency

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IL120440A0 (en) *	1996-03-15	1997-07-13	Kobe Steel Ltd	Method and apparatus for making metallic iron
US6506231B2 (en) *	1996-03-15	2003-01-14	Kabushiki Kaisha Kobe Seiko Sho	Method and apparatus for making metallic iron
JPH10195513A (ja) *	1996-12-27	1998-07-28	Kobe Steel Ltd	金属鉄の製法
JPH10251724A (ja) *	1997-03-13	1998-09-22	Kobe Steel Ltd	金属鉄の製法及び製造設備
US6149709A (en) *	1997-09-01	2000-11-21	Kabushiki Kaisha Kobe Seiko Sho	Method of making iron and steel
JP4159634B2 (ja) *	1997-10-23	2008-10-01	株式会社神戸製鋼所	金属鉄の製法および装置
JP3848453B2 (ja) *	1998-01-09	2006-11-22	株式会社神戸製鋼所	金属鉄の製造方法
US6413295B2 (en) *	1998-11-12	2002-07-02	Midrex International B.V. Rotterdam, Zurich Branch	Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
US6063744A (en) *	1999-07-22	2000-05-16	Mcquillen; Edwin F.	Cleaning and lubricant formulation for spindles
AUPQ205799A0 (en) *	1999-08-05	1999-08-26	Technological Resources Pty Limited	A direct smelting process
JP2001279313A (ja) *	2000-03-30	2001-10-10	Midrex Internatl Bv	溶融金属鉄の製法
JP2001342509A (ja) *	2000-06-02	2001-12-14	Kobe Steel Ltd	金属鉄の製造方法および装置
JP4330257B2 (ja) *	2000-08-09	2009-09-16	株式会社神戸製鋼所	金属鉄の製法
AUPR023100A0 (en) *	2000-09-19	2000-10-12	Technological Resources Pty Limited	A direct smelting process and apparatus

2006
- 2006-01-17 JP JP2006008743A patent/JP4981320B2/ja not_active Expired - Fee Related
- 2006-11-30 RU RU2008133606/02A patent/RU2388830C1/ru not_active IP Right Cessation
- 2006-11-30 WO PCT/JP2006/323928 patent/WO2007083450A1/fr not_active Ceased
- 2006-11-30 AU AU2006335814A patent/AU2006335814B2/en not_active Ceased
- 2006-11-30 US US12/094,607 patent/US20090282950A1/en not_active Abandoned
- 2006-11-30 CN CN2006800473579A patent/CN101331239B/zh not_active Expired - Fee Related
- 2006-11-30 CA CA2630236A patent/CA2630236C/fr not_active Expired - Fee Related
- 2006-12-28 TW TW095149418A patent/TWI307365B/zh not_active IP Right Cessation

Also Published As

Publication number	Publication date
RU2388830C1 (ru)	2010-05-10
JP2007191736A (ja)	2007-08-02
TW200730630A (en)	2007-08-16
JP4981320B2 (ja)	2012-07-18
US20090282950A1 (en)	2009-11-19
WO2007083450A1 (fr)	2007-07-26
AU2006335814A1 (en)	2007-07-26
TWI307365B (en)	2009-03-11
RU2008133606A (ru)	2010-02-27
CA2630236A1 (fr)	2007-07-26
AU2006335814B2 (en)	2011-04-14
CN101331239A (zh)	2008-12-24
CN101331239B (zh)	2012-03-28

Legal Events

Date	Code	Title	Description
2008-05-16	EEER	Examination request
2016-01-11	MKLA	Lapsed	Effective date: 20151130

Publication	Publication Date	Title
JP4330257B2 (ja)	2009-09-16	金属鉄の製法
AU2009234752B2 (en)	2012-03-01	Titanium oxide-containing agglomerate for producing granular metallic iron
EP1605067A4 (fr)	2008-03-12	Procede de production de metal ferreux particulaire
JP5297077B2 (ja)	2013-09-25	フェロモリブデンの製造方法
JP2010261101A (ja)	2010-11-18	金属鉄の製法
JP4280292B2 (ja)	2009-06-17	フェロモリブデンの製造方法
US20110265603A1 (en)	2011-11-03	Method for producing granular iron
CN106414778A (zh)	2017-02-15	粒状金属铁的制造方法
AU2006335814B2 (en)	2011-04-14	Method for manufacturing metallic iron
JP2011246760A (ja)	2011-12-08	フェロモリブデンの製造方法およびフェロモリブデン
AU2009234763A1 (en)	2009-10-15	Process for producing granular metallic iron
JP5000593B2 (ja)	2012-08-15	粒状金属鉄の製法および該金属鉄を用いた溶鋼の製法
KR101448607B1 (ko)	2014-10-14	철의 제조 방법
JP4415690B2 (ja)	2010-02-17	焼結鉱の製造方法
JP7831576B2 (ja)	2026-03-17	鉄鉱石ペレットの製造方法