UA77355C2 - Method and apparatus for manufacturing molten iron - Google Patents

Method and apparatus for manufacturing molten iron Download PDF

Info

Publication number: UA77355C2
Authority: UA; Ukraine
Prior art keywords: oxygen; fluidized bed; iron; water; mixture
Prior art date: 2002-12-23

Application number

UAA200505486A

Other languages

English (en)

Ukrainian (uk)

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

2006-11-15

2003-12-23 Application filed filed Critical

2006-11-15 Publication of UA77355C2 publication Critical patent/UA77355C2/uk

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 179
229910052742 iron Inorganic materials 0.000 title claims abstract description 89
238000000034 method Methods 0.000 title claims abstract description 32
238000004519 manufacturing process Methods 0.000 title abstract description 15
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 126
239000001301 oxygen Substances 0.000 claims abstract description 126
229910052760 oxygen Inorganic materials 0.000 claims abstract description 126
239000007789 gas Substances 0.000 claims abstract description 52
239000000203 mixture Substances 0.000 claims abstract description 41
239000000463 material Substances 0.000 claims abstract description 34
230000002829 reductive effect Effects 0.000 claims abstract description 31
239000003245 coal Substances 0.000 claims abstract description 27
238000006243 chemical reaction Methods 0.000 claims abstract description 11
239000000654 additive Substances 0.000 claims abstract description 9
238000001035 drying Methods 0.000 claims abstract description 5
238000002156 mixing Methods 0.000 claims abstract description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
230000001603 reducing effect Effects 0.000 claims description 36
230000009467 reduction Effects 0.000 claims description 21
238000002485 combustion reaction Methods 0.000 claims description 20
238000002309 gasification Methods 0.000 claims description 17
238000011084 recovery Methods 0.000 claims description 16
239000006185 dispersion Substances 0.000 claims description 14
238000002360 preparation method Methods 0.000 claims description 12
230000008569 process Effects 0.000 claims description 10
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 9
230000015572 biosynthetic process Effects 0.000 claims description 9
238000010438 heat treatment Methods 0.000 claims description 8
239000002826 coolant Substances 0.000 claims description 7
230000007423 decrease Effects 0.000 claims description 7
238000003723 Smelting Methods 0.000 claims description 3
238000001354 calcination Methods 0.000 claims description 2
230000009466 transformation Effects 0.000 claims 2
238000013459 approach Methods 0.000 claims 1
239000000155 melt Substances 0.000 abstract 1
238000002844 melting Methods 0.000 description 7
230000008018 melting Effects 0.000 description 7
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
239000001257 hydrogen Substances 0.000 description 6
229910052739 hydrogen Inorganic materials 0.000 description 6
239000003638 chemical reducing agent Substances 0.000 description 5
239000002994 raw material Substances 0.000 description 5
239000000571 coke Substances 0.000 description 3
238000001816 cooling Methods 0.000 description 3
239000002245 particle Substances 0.000 description 3
239000012495 reaction gas Substances 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
230000009471 action Effects 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000009851 ferrous metallurgy Methods 0.000 description 2
239000000446 fuel Substances 0.000 description 2
230000009931 harmful effect Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000005507 spraying Methods 0.000 description 2
239000010959 steel Substances 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
229910001018 Cast iron Inorganic materials 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
229910000805 Pig iron Inorganic materials 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
239000002802 bituminous coal Substances 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
239000000969 carrier Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000005056 compaction Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
230000001788 irregular Effects 0.000 description 1
239000004571 lime Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000000197 pyrolysis Methods 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000004088 simulation Methods 0.000 description 1
238000005245 sintering Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
238000012360 testing method Methods 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
- C21B13/0006—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
- C21B13/0073—Selection or treatment of the reducing gases
- 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

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)
Crucibles And Fluidized-Bed Furnaces (AREA)
Furnace Details (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

UAA200505486A 2002-12-23 2003-12-23 Method and apparatus for manufacturing molten iron UA77355C2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR20020082634		2002-12-23
PCT/KR2003/002815 WO2004057038A1 (en)	2002-12-23	2003-12-23	An apparatus for manufacturing moltens irons to improve operation of fluidized bed type reduction apparatus and manufacturing method using the same

Publications (1)

Publication Number	Publication Date
UA77355C2 true UA77355C2 (en)	2006-11-15

Family

ID=36241061

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
UAA200505486A UA77355C2 (en)	2002-12-23	2003-12-23	Method and apparatus for manufacturing molten iron

Country Status (14)

Country	Link
US (1)	US7713329B2 (de)
EP (1)	EP1576198B1 (de)
JP (1)	JP4191681B2 (de)
KR (1)	KR101055846B1 (de)
CN (1)	CN1754003B (de)
AT (1)	ATE403014T1 (de)
AU (1)	AU2003289518B2 (de)
BR (1)	BR0317226B8 (de)
CA (1)	CA2511731C (de)
DE (1)	DE60322585D1 (de)
RU (1)	RU2299245C2 (de)
UA (1)	UA77355C2 (de)
WO (1)	WO2004057038A1 (de)
ZA (1)	ZA200505052B (de)

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BRPI0511680B1 (pt) *	2004-05-31	2016-03-29	Outokumpu Technology Oyj	instalação e processo de redução direta
TWI381897B (zh) *	2004-12-22	2013-01-11	大陽日酸股份有限公司	金屬超微粉之製造方法
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KR101235252B1 (ko) *	2005-12-26	2013-02-20	주식회사 포스코	탄화수소 함유가스 취입에 의한 용철제조방법 및 이를이용한 용철제조장치
KR100711774B1 (ko)	2005-12-26	2007-04-25	주식회사 포스코	환원체의 장입 구조를 개선한 용철제조장치
KR100778673B1 (ko) *	2005-12-26	2007-11-22	주식회사 포스코	용철 제조 장치
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KR100972195B1 (ko) *	2006-05-17	2010-07-23	주식회사 포스코	탄화수소 함유가스 취입에 의한 용철제조방법 및 이를이용한 용철제조장치
KR100948929B1 (ko)	2007-12-24	2010-03-23	주식회사 포스코	환원로 및 이를 포함하는 용철 제조 장치
KR100930680B1 (ko) *	2007-12-26	2009-12-09	주식회사 포스코	용철제조장치 및 용철제조방법
CN102031326B (zh) *	2010-12-20	2012-05-02	张成顺	铁精矿粉直接熔融还原炼铁工艺
KR101699236B1 (ko) *	2015-12-23	2017-01-24	주식회사 포스코	용철 제조 장치 및 이를 이용한 용철 제조 방법
KR101827996B1 (ko) *	2016-10-17	2018-02-13	주식회사 포스코	용철제조방법 및 이를 이용한 용철제조장치
CN107091569A (zh) *	2017-03-24	2017-08-25	石家庄新华能源环保科技股份有限公司	回转窑以及利用该回转窑生产金属氢化物的多联产系统
KR102158227B1 (ko) *	2018-08-02	2020-09-21	주식회사 포스코	풍구 수취입 장치
KR20240076517A (ko) *	2022-11-22	2024-05-30	주식회사 포스코	환원로 및 환원철의 제조 방법

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2003
- 2003-12-23 CN CN2003801074464A patent/CN1754003B/zh not_active Expired - Fee Related
- 2003-12-23 WO PCT/KR2003/002815 patent/WO2004057038A1/en not_active Ceased
- 2003-12-23 UA UAA200505486A patent/UA77355C2/uk unknown
- 2003-12-23 AU AU2003289518A patent/AU2003289518B2/en not_active Ceased
- 2003-12-23 BR BRPI0317226-0A patent/BR0317226B8/pt not_active IP Right Cessation
- 2003-12-23 KR KR1020057011329A patent/KR101055846B1/ko not_active Expired - Fee Related
- 2003-12-23 RU RU2005118994/02A patent/RU2299245C2/ru not_active IP Right Cessation
- 2003-12-23 EP EP03778993A patent/EP1576198B1/de not_active Expired - Lifetime
- 2003-12-23 CA CA2511731A patent/CA2511731C/en not_active Expired - Fee Related
- 2003-12-23 US US10/540,496 patent/US7713329B2/en not_active Expired - Fee Related
- 2003-12-23 DE DE60322585T patent/DE60322585D1/de not_active Expired - Lifetime
- 2003-12-23 JP JP2004562101A patent/JP4191681B2/ja not_active Expired - Fee Related
- 2003-12-23 AT AT03778993T patent/ATE403014T1/de active
2005
- 2005-06-22 ZA ZA200505052A patent/ZA200505052B/en unknown

Also Published As

Publication number	Publication date
CA2511731C (en)	2012-08-21
CN1754003A (zh)	2006-03-29
US7713329B2 (en)	2010-05-11
KR101055846B1 (ko)	2011-08-09
AU2003289518A1 (en)	2004-07-14
BR0317226B1 (pt)	2013-01-08
RU2299245C2 (ru)	2007-05-20
KR20050089836A (ko)	2005-09-08
JP2006511708A (ja)	2006-04-06
ATE403014T1 (de)	2008-08-15
AU2003289518B2 (en)	2007-09-06
BR0317226B8 (pt)	2013-02-19
JP4191681B2 (ja)	2008-12-03
DE60322585D1 (de)	2008-09-11
WO2004057038A1 (en)	2004-07-08
RU2005118994A (ru)	2006-02-10
BR0317226A (pt)	2005-11-01
EP1576198B1 (de)	2008-07-30
EP1576198A1 (de)	2005-09-21
CA2511731A1 (en)	2004-07-08
ZA200505052B (en)	2006-10-25
CN1754003B (zh)	2012-05-30
US20060119023A1 (en)	2006-06-08
EP1576198A4 (de)	2006-09-20

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UA77355C2 (en)	2006-11-15	Method and apparatus for manufacturing molten iron
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US4380469A (en)	1983-04-19	Process and apparatus for continuously reducing and melting metal oxides and/or pre-reduced metallic materials
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US6277324B1 (en)	2001-08-21	Apparatus for manufacturing molten pig iron and reduced iron by utilizing a fluidized bed
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