UA78885C2 - The method for manufacturing molten iron includes with drying and mixing iron ore and additives and apparatus for realization the same - Google Patents

The method for manufacturing molten iron includes with drying and mixing iron ore and additives and apparatus for realization the same Download PDF

Info

Publication number: UA78885C2
Authority: UA; Ukraine
Prior art keywords: additives; iron; fluidized bed; iron ore; gas
Prior art date: 2002-12-23

Application number

UAA200505487A

Other languages

English (en)

Ukrainian (uk)

Original Assignee

Posco

Res Inst Ind Science & Tech

Voest Alpine Ind Anlagen

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.)

2002-12-23

Filing date

2003-12-23

Publication date

2007-04-25

2003-12-23 Application filed by Posco, Res Inst Ind Science & Tech, Voest Alpine Ind Anlagen filed Critical Posco

2007-04-25 Publication of UA78885C2 publication Critical patent/UA78885C2/uk

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 353
229910052742 iron Inorganic materials 0.000 title claims abstract description 175
239000000654 additive Substances 0.000 title claims abstract description 94
238000001035 drying Methods 0.000 title claims abstract description 46
238000000034 method Methods 0.000 title claims abstract description 30
238000002156 mixing Methods 0.000 title claims abstract description 4
238000004519 manufacturing process Methods 0.000 title abstract description 12
239000000203 mixture Substances 0.000 claims abstract description 33
239000003245 coal Substances 0.000 claims abstract description 31
239000000463 material Substances 0.000 claims abstract description 23
239000007789 gas Substances 0.000 claims description 78
238000002309 gasification Methods 0.000 claims description 20
238000011084 recovery Methods 0.000 claims description 14
238000002360 preparation method Methods 0.000 claims description 12
241000273930 Brevoortia tyrannus Species 0.000 claims description 11
239000002245 particle Substances 0.000 claims description 11
230000008569 process Effects 0.000 claims description 11
238000003860 storage Methods 0.000 claims description 11
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
239000001301 oxygen Substances 0.000 claims description 9
229910052760 oxygen Inorganic materials 0.000 claims description 9
230000000996 additive effect Effects 0.000 claims description 6
230000009467 reduction Effects 0.000 claims description 6
238000003723 Smelting Methods 0.000 claims description 5
238000001354 calcination Methods 0.000 claims description 3
PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims 1
235000000396 iron Nutrition 0.000 abstract 3
239000002994 raw material Substances 0.000 description 8
238000002844 melting Methods 0.000 description 7
230000008018 melting Effects 0.000 description 7
230000032258 transport Effects 0.000 description 7
238000011068 loading method Methods 0.000 description 4
235000019738 Limestone Nutrition 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000571 coke Substances 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
239000006028 limestone Substances 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 2
239000003638 chemical reducing agent Substances 0.000 description 2
238000010411 cooking Methods 0.000 description 2
238000009851 ferrous metallurgy Methods 0.000 description 2
239000000446 fuel Substances 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012545 processing Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
239000004484 Briquette Substances 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
229910001018 Cast iron Inorganic materials 0.000 description 1
229910000805 Pig iron Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
230000009471 action Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
239000003674 animal food additive Substances 0.000 description 1
238000000889 atomisation Methods 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000002802 bituminous coal Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
238000005056 compaction Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
239000013070 direct material Substances 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
239000000428 dust Substances 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
230000001788 irregular Effects 0.000 description 1
239000003415 peat Substances 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000000197 pyrolysis Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000005245 sintering Methods 0.000 description 1
239000002893 slag Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000005507 spraying Methods 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000009423 ventilation Methods 0.000 description 1
239000002912 waste gas Substances 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon 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
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
- 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- 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
- C21B13/143—Injection of partially reduced ore into a molten bath
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
- 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)
Manufacture Of Iron (AREA)
Manufacture And Refinement Of Metals (AREA)
Crucibles And Fluidized-Bed Furnaces (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)

UAA200505487A 2002-12-23 2003-12-23 The method for manufacturing molten iron includes with drying and mixing iron ore and additives and apparatus for realization the same UA78885C2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR20020082630		2002-12-23
PCT/KR2003/002814 WO2004057037A1 (fr)	2002-12-23	2003-12-23	Appareil de fabrication de fontes liquides permettant de secher et d'acheminer des minerais de fer et des additifs et procede de fabrication faisant appel a ce dernier

Publications (1)

Publication Number	Publication Date
UA78885C2 true UA78885C2 (en)	2007-04-25

Family

ID=36139991

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
UAA200505487A UA78885C2 (en)	2002-12-23	2003-12-23	The method for manufacturing molten iron includes with drying and mixing iron ore and additives and apparatus for realization the same

Country Status (12)

Country	Link
US (1)	US7588625B2 (fr)
EP (2)	EP2647728B1 (fr)
JP (1)	JP4279785B2 (fr)
KR (1)	KR101054472B1 (fr)
CN (1)	CN1324149C (fr)
AU (1)	AU2003289517B8 (fr)
BR (1)	BRPI0317279B8 (fr)
CA (1)	CA2511729C (fr)
RU (1)	RU2294967C2 (fr)
UA (1)	UA78885C2 (fr)
WO (1)	WO2004057037A1 (fr)
ZA (1)	ZA200505053B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR101121197B1 (ko) *	2004-07-30	2012-03-23	주식회사 포스코	일반탄 및 분철광석을 직접 사용하는 용융가스화로에 미분탄재를 취입하는 용철제조장치 및 그 용철제조방법
WO2007007817A1 (fr) *	2005-07-08	2007-01-18	Citizen Holdings Co., Ltd.	Dispositif à charnière
KR100732461B1 (ko) *	2005-12-26	2007-06-27	주식회사 포스코	분철광석의 장입 및 배출을 개선한 용철제조방법 및 이를이용한 용철제조장치
KR100797824B1 (ko) *	2006-12-18	2008-01-24	주식회사 포스코	분상 또는 괴상의 일반탄 및 분상의 철함유 광석을 직접사용하는 용철제조장치
KR100972196B1 (ko) *	2007-12-24	2010-07-23	주식회사 포스코	용철제조장치 및 용철제조방법
CN101910422B (zh) *	2007-12-28	2012-09-26	Posco公司	用于回收在炼铁工艺中产生的过剩气体的装置和方法
KR101050803B1 (ko) *	2009-09-17	2011-07-20	주식회사 포스코	환원철 제조 장치 및 그 제조 방법
KR101752909B1 (ko) *	2010-12-21	2017-06-30	주식회사 포스코	부분 탄화 성형탄 제조 방법, 부분 탄화 성형탄 제조 장치 및 용철 제조 장치
KR102571371B1 (ko) *	2015-12-25	2023-08-25	사까이가가꾸고오교가부시끼가이샤	저α선량 황산바륨 입자와 그 이용과 그 제조 방법
KR102135819B1 (ko) *	2018-11-30	2020-08-26	주식회사 포스코	유동 환원 장치

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US4072504A (en)	1973-01-26	1978-02-07	Aktiebolaget Svenska Kullagerfabriken	Method of producing metal from metal oxides
JPS59113107A (ja)	1982-12-18	1984-06-29	Kawasaki Steel Corp	溶融還元装置
JPS61202084A (ja)	1985-03-01	1986-09-06	Showa Alum Corp	熱交換器
JPS61288004A (ja) *	1985-06-13	1986-12-18	Kawasaki Steel Corp	転炉排ガスを利用した粉状鉱石の還元方法
JPS62227020A (ja) *	1986-03-28	1987-10-06	Nippon Steel Corp	溶融還元炉で発生した還元ガスの改質・加熱方法
AU596758B2 (en) *	1987-11-13	1990-05-10	Jp Steel Plantech Co.	Metal-making apparatus involving the smelting reduction of metallic oxides
JP2668913B2 (ja) *	1988-02-09	1997-10-27	日本鋼管株式会社	溶融還元法
US5192486A (en) *	1990-03-30	1993-03-09	Fior De Venezuela	Plant and process for fluidized bed reduction of ore
EP0596107B1 (fr) *	1990-12-27	1996-10-09	Kawasaki Steel Corporation	Four de reduction preliminaire a lit fluidise pour matieres brutes contenant un oxyde
US5354356A (en) *	1992-10-06	1994-10-11	Bechtel Group Inc.	Method of providing fuel for an iron making process
AT404735B (de) *	1992-10-22	1999-02-25	Voest Alpine Ind Anlagen	Verfahren und anlage zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten
AT405186B (de) *	1994-10-17	1999-06-25	Voest Alpine Ind Anlagen	Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm
KR970003636B1 (ko) *	1994-12-31	1997-03-20	포항종합제철 주식회사	용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로
AT405525B (de) *	1996-06-28	1999-09-27	Voest Alpine Ind Anlagen	Verfahren und anlage zum herstellen von flüssigem roheisen oder flüssigen stahlvorprodukten
KR100276339B1 (ko) *	1996-12-23	2000-12-15	이구택	엑스자형 순환관을 갖는 분철광석의 3단 유동층로식 환원장치
KR100321050B1 (ko)	1998-12-09	2002-04-17	이구택	분철광석의유동층식예비환원장치및이를이용한예비환원방법
AT409387B (de) *	2000-06-28	2002-07-25	Voest Alpine Ind Anlagen	Verfahren und anlage zur gasreduktion von teilchenförmigen oxidhältigen erzen

2003
- 2003-12-23 AU AU2003289517A patent/AU2003289517B8/en not_active Ceased
- 2003-12-23 RU RU2005118993/02A patent/RU2294967C2/ru not_active IP Right Cessation
- 2003-12-23 UA UAA200505487A patent/UA78885C2/uk unknown
- 2003-12-23 CN CNB2003801074479A patent/CN1324149C/zh not_active Expired - Fee Related
- 2003-12-23 US US10/540,357 patent/US7588625B2/en not_active Expired - Fee Related
- 2003-12-23 WO PCT/KR2003/002814 patent/WO2004057037A1/fr not_active Ceased
- 2003-12-23 EP EP13175278.4A patent/EP2647728B1/fr not_active Expired - Lifetime
- 2003-12-23 BR BRPI0317279A patent/BRPI0317279B8/pt not_active IP Right Cessation
- 2003-12-23 EP EP03778992.2A patent/EP1576197B1/fr not_active Expired - Lifetime
- 2003-12-23 JP JP2004562100A patent/JP4279785B2/ja not_active Expired - Fee Related
- 2003-12-23 KR KR1020057011328A patent/KR101054472B1/ko not_active Expired - Fee Related
- 2003-12-23 CA CA2511729A patent/CA2511729C/fr not_active Expired - Fee Related
2005
- 2005-06-22 ZA ZA200505053A patent/ZA200505053B/en unknown

Also Published As

Publication number	Publication date
JP2006511707A (ja)	2006-04-06
AU2003289517A1 (en)	2004-07-14
US20060119022A1 (en)	2006-06-08
BRPI0317279B8 (pt)	2017-04-18
KR20050089835A (ko)	2005-09-08
BR0317279A (pt)	2005-11-08
AU2003289517B2 (en)	2008-10-09
RU2005118993A (ru)	2006-02-10
EP1576197A4 (fr)	2010-11-17
EP1576197A1 (fr)	2005-09-21
CA2511729A1 (fr)	2004-07-08
EP2647728A1 (fr)	2013-10-09
BR0317279B1 (pt)	2014-02-04
WO2004057037A1 (fr)	2004-07-08
KR101054472B1 (ko)	2011-08-04
JP4279785B2 (ja)	2009-06-17
CN1324149C (zh)	2007-07-04
CN1745183A (zh)	2006-03-08
EP2647728B1 (fr)	2017-08-16
CA2511729C (fr)	2012-02-07
AU2003289517B8 (en)	2008-11-20
US7588625B2 (en)	2009-09-15
RU2294967C2 (ru)	2007-03-10
EP1576197B1 (fr)	2016-11-23
ZA200505053B (en)	2006-11-29

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