DE3885862D1 - Verfahren zur Schmelzreduktion oxydischer Erze. - Google Patents

Verfahren zur Schmelzreduktion oxydischer Erze.

Info

Publication number
DE3885862D1
DE3885862D1 DE88120482T DE3885862T DE3885862D1 DE 3885862 D1 DE3885862 D1 DE 3885862D1 DE 88120482 T DE88120482 T DE 88120482T DE 3885862 T DE3885862 T DE 3885862T DE 3885862 D1 DE3885862 D1 DE 3885862D1
Authority
DE
Germany
Prior art keywords
smelting reduction
oxidic ores
oxidic
ores
smelting
Prior art date
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.)
Revoked
Application number
DE88120482T
Other languages
English (en)
Other versions
DE3885862T2 (de
Inventor
Takuya Maeda
Keikichi Murakami
Tsutomu Yamada
Mitsuharu Kishimoto
Kenichi Yajima
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26566196&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3885862(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP62310117A external-priority patent/JPH01149911A/ja
Priority claimed from JP62310143A external-priority patent/JP2623269B2/ja
Application filed by Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Application granted granted Critical
Publication of DE3885862D1 publication Critical patent/DE3885862D1/de
Publication of DE3885862T2 publication Critical patent/DE3885862T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast 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
    • 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
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • 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
DE3885862T 1987-12-07 1988-12-07 Verfahren zur Schmelzreduktion oxydischer Erze. Revoked DE3885862T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62310117A JPH01149911A (ja) 1987-12-07 1987-12-07 溶融還元法
JP62310143A JP2623269B2 (ja) 1987-12-08 1987-12-08 溶融還元における予備還元用ガス性状の調整方法

Publications (2)

Publication Number Publication Date
DE3885862D1 true DE3885862D1 (de) 1994-01-05
DE3885862T2 DE3885862T2 (de) 1994-06-16

Family

ID=26566196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3885862T Revoked DE3885862T2 (de) 1987-12-07 1988-12-07 Verfahren zur Schmelzreduktion oxydischer Erze.

Country Status (8)

Country Link
EP (1) EP0319966B1 (de)
KR (1) KR910008141B1 (de)
CN (1) CN1015549B (de)
BR (1) BR8806437A (de)
CA (1) CA1338099C (de)
DE (1) DE3885862T2 (de)
ES (1) ES2048752T3 (de)
MX (1) MX170052B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
PL170853B1 (pl) * 1991-09-20 1997-01-31 Ausmelt Ltd Sposób wytwarzania zelaza gabczastego lub surówki PL PL PL PL PL
JPH09310126A (ja) * 1996-05-16 1997-12-02 Daido Steel Co Ltd 金属酸化物から金属を得る製造方法
CN1073630C (zh) * 1999-10-27 2001-10-24 冶金工业部钢铁研究总院 煤氧熔融还原炼铁方法及装置
KR101050800B1 (ko) * 2008-12-30 2011-07-20 주식회사 포스코 용철 제조 방법 및 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE435732B (sv) * 1983-03-02 1984-10-15 Ips Interproject Service Ab Forfarande for framstellning av rajern ur jernslig
DE3418085A1 (de) * 1984-05-16 1985-11-28 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur eisenherstellung

Also Published As

Publication number Publication date
ES2048752T3 (es) 1994-04-01
BR8806437A (pt) 1989-08-22
EP0319966A2 (de) 1989-06-14
EP0319966A3 (de) 1991-02-27
CN1015549B (zh) 1992-02-19
AU600398B2 (en) 1990-08-09
DE3885862T2 (de) 1994-06-16
KR910008141B1 (ko) 1991-10-10
EP0319966B1 (de) 1993-11-24
CN1034394A (zh) 1989-08-02
CA1338099C (en) 1996-03-05
MX170052B (es) 1993-08-05
AU2657988A (en) 1989-06-08
KR890010214A (ko) 1989-08-07

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation