KR20000069182A - 이동형 노상로의 조업방법 - Google Patents
이동형 노상로의 조업방법 Download PDFInfo
- Publication number
- KR20000069182A KR20000069182A KR1019997004743A KR19997004743A KR20000069182A KR 20000069182 A KR20000069182 A KR 20000069182A KR 1019997004743 A KR1019997004743 A KR 1019997004743A KR 19997004743 A KR19997004743 A KR 19997004743A KR 20000069182 A KR20000069182 A KR 20000069182A
- Authority
- KR
- South Korea
- Prior art keywords
- furnace
- hydrogen
- reducing material
- reduction
- iron ore
- Prior art date
Links
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
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type 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
-
- 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
- C21B13/0053—On a massing grate
-
- 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 Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
실험번호 | 사용탄재종 | 사용탄재량(산화물혼합량) (㎏/t) | 사용탄재량(하층탄재) (㎏/t) | 원료적층 방법 | 환원시간 (분) | 금속화율 (%) | 비 고 |
1 | 석탄 (H=4%) | 600 | 100 | 하층탄재 | 18 | 92.5 | 적합예1 |
2 | 석탄 (H=4%) | 600 | 200 | 하층탄재 | 17 | 92.6 | 적합예2 |
3 | 석탄 (H=4%) | 600 | 300 | 하층탄재 | 16 | 92.8 | 적합예3 |
4 | 마일드 챠(H=2%) | 550 | 200 | 하층탄재 | 16 | 92.7 | 적합예4 |
5 | 석탄 (H=4%) | 600 | 0 | 균일혼합 | 25 | 92.1 | 비교예1 |
6 | 코크스 (H=0.3%) | 500 | 300 | 하층탄재 | 28 | 92.3 | 비교예2 |
Claims (3)
- 수평으로 이동하는 노상 위에, 분상철광석을 주로하는 산화물분과 분상고체환원재를 공급하여, 노상 위에 층상으로 적층하여, 노 내부 상방으로부터의 복사전열에 의하여 산화물을 환원하는데 있어서,수소를 함유하는 분상고체환원재의 층 위에, 분상철광석과 분상고체환원재의 혼합분 또는 분상철광석 및 부원료분과 분상고체환원재의 혼합분을 층상으로 적층하는 것을 특징으로 하는 이동형 노상로의 조업방법.
- 제 1 항에 있어서, 이동형 노상은 회전형 노상인 것을 특징으로 하는 이동형 노상로의 조업방법.
- 제 1 항 또는 제 2 항에 있어서, 수소를 함유하는 분상고체환원재의 수소 함유량이, 0.5 wt% 이상인 것을 특징으로 하는 이동형 노상로의 조업방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97/265408 | 1997-09-30 | ||
JP26540897A JP3480266B2 (ja) | 1997-09-30 | 1997-09-30 | 移動型炉床炉の操業方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000069182A true KR20000069182A (ko) | 2000-11-25 |
KR100402167B1 KR100402167B1 (ko) | 2003-10-17 |
Family
ID=17416760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-7004743A KR100402167B1 (ko) | 1997-09-30 | 1998-03-27 | 이동형 노상로의 조업방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6248152B1 (ko) |
EP (1) | EP0976841B1 (ko) |
JP (1) | JP3480266B2 (ko) |
KR (1) | KR100402167B1 (ko) |
BR (1) | BR9806254A (ko) |
DE (1) | DE69826646T2 (ko) |
ID (1) | ID22269A (ko) |
MY (1) | MY119635A (ko) |
WO (1) | WO1999016915A1 (ko) |
ZA (1) | ZA982702B (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4295544B2 (ja) * | 2003-04-09 | 2009-07-15 | 株式会社神戸製鋼所 | 冶金用改質炭の製造方法、ならびに冶金用改質炭を用いた還元金属および酸化非鉄金属含有スラグの製造方法 |
BRPI0515812B1 (pt) * | 2004-12-07 | 2014-09-23 | Nu Iron Technology Llc | Método para uso na produção de pepitas metálicas de ferro |
WO2011001288A2 (en) | 2009-06-29 | 2011-01-06 | Bairong Li | Metal reduction processes, metallurgical processes and products and apparatus |
JP5445032B2 (ja) * | 2009-10-28 | 2014-03-19 | Jfeスチール株式会社 | 還元鉄粉の製造方法 |
CN103920886B (zh) * | 2014-05-06 | 2016-08-24 | 四川金沙纳米技术有限公司 | 超细铁粉的生产方法 |
CN105973000B (zh) * | 2016-06-23 | 2018-07-17 | 江苏省冶金设计院有限公司 | 气化旋转床 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1452627A (en) * | 1921-01-21 | 1923-04-24 | Edwin B Thornhill | Process for the production of sponge iron and other metallic products |
US2285487A (en) * | 1940-01-15 | 1942-06-09 | Kelsey Hayes Wheel Co | Method of and apparatus for producing sponge iron |
US3383199A (en) * | 1967-08-23 | 1968-05-14 | Allied Chem | Processing of iron oxide values |
DE1758951C3 (de) * | 1968-09-07 | 1978-04-27 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Herstellung von Eisenschwamm |
LU60981A1 (ko) * | 1970-05-26 | 1971-06-24 | ||
US3770417A (en) * | 1971-02-23 | 1973-11-06 | Salem Corp | Simultaneous production of metallized ores and coke |
US4701214A (en) * | 1986-04-30 | 1987-10-20 | Midrex International B.V. Rotterdam | Method of producing iron using rotary hearth and apparatus |
US4676741A (en) * | 1986-10-22 | 1987-06-30 | The International Metals Reclamation Company, Inc. | Radiantly heated furnace |
DE3734892A1 (de) * | 1987-10-15 | 1989-04-27 | Egon Evertz | Verfahren zur aufbereitung von huettenwerksstaeuben |
BE1008397A6 (fr) * | 1994-07-13 | 1996-05-07 | Centre Rech Metallurgique | Procede pour fabriquer une eponge de fer a basse teneur en soufre. |
BE1010261A3 (fr) * | 1996-03-07 | 1998-04-07 | Centre Rech Metallurgique | Dispositif pour deposer en continu sur un support mobile au moins deux matieres fines en couches superposees alternees. |
-
1997
- 1997-09-30 JP JP26540897A patent/JP3480266B2/ja not_active Expired - Lifetime
-
1998
- 1998-03-27 DE DE69826646T patent/DE69826646T2/de not_active Expired - Fee Related
- 1998-03-27 BR BR9806254-9A patent/BR9806254A/pt not_active Application Discontinuation
- 1998-03-27 US US09/319,002 patent/US6248152B1/en not_active Expired - Fee Related
- 1998-03-27 WO PCT/JP1998/001401 patent/WO1999016915A1/ja active IP Right Grant
- 1998-03-27 EP EP98911063A patent/EP0976841B1/en not_active Expired - Lifetime
- 1998-03-27 ID IDW990510A patent/ID22269A/id unknown
- 1998-03-27 KR KR10-1999-7004743A patent/KR100402167B1/ko not_active IP Right Cessation
- 1998-03-31 ZA ZA982702A patent/ZA982702B/xx unknown
- 1998-03-31 MY MYPI98001416A patent/MY119635A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPH11106813A (ja) | 1999-04-20 |
DE69826646D1 (de) | 2004-11-04 |
MY119635A (en) | 2005-06-30 |
ID22269A (id) | 1999-09-23 |
BR9806254A (pt) | 2000-01-25 |
KR100402167B1 (ko) | 2003-10-17 |
US6248152B1 (en) | 2001-06-19 |
EP0976841A4 (en) | 2003-01-15 |
ZA982702B (en) | 1998-10-02 |
JP3480266B2 (ja) | 2003-12-15 |
DE69826646T2 (de) | 2005-02-03 |
WO1999016915A1 (fr) | 1999-04-08 |
EP0976841A1 (en) | 2000-02-02 |
EP0976841B1 (en) | 2004-09-29 |
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