KR100402167B1 - 이동형 노상로의 조업방법 - Google Patents
이동형 노상로의 조업방법 Download PDFInfo
- Publication number
- KR100402167B1 KR100402167B1 KR10-1999-7004743A KR19997004743A KR100402167B1 KR 100402167 B1 KR100402167 B1 KR 100402167B1 KR 19997004743 A KR19997004743 A KR 19997004743A KR 100402167 B1 KR100402167 B1 KR 100402167B1
- Authority
- KR
- South Korea
- Prior art keywords
- reducing material
- hearth
- hydrogen
- reduction
- furnace
- 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(산화물분혼합량)(㎏/t) | 사용탄재량(하층탄재)(㎏/t) | 원료적층방법 | 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 산화물분을 환원하는데 있어서,수소를 함유하는 분상고체환원재의 층 위에, 철광석과 분상고체환원재의 혼합분 또는 철광석 및 부원료분과 분상고체환원재의 혼합분을 층상으로 적층하는 것을 특징으로 하는 이동형 노상로의 조업방법.
- 제 1 항에 있어서, 수평으로 이동하는 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 KR20000069182A (ko) | 2000-11-25 |
KR100402167B1 true 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100730820B1 (ko) * | 2003-04-09 | 2007-06-20 | 가부시키가이샤 고베 세이코쇼 | 야금용 개질탄의 제조방법, 및 야금용 개질탄을 이용한 환원금속 및 산화 비철금속 함유 슬래그의 제조방법 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI411686B (zh) | 2004-12-07 | 2013-10-11 | Nu Iron Technology Llc | 製造金屬鐵塊之方法及系統 |
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 EP EP98911063A patent/EP0976841B1/en not_active Expired - Lifetime
- 1998-03-27 ID IDW990510A patent/ID22269A/id unknown
- 1998-03-27 US US09/319,002 patent/US6248152B1/en not_active Expired - Fee Related
- 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 WO PCT/JP1998/001401 patent/WO1999016915A1/ja active IP Right Grant
- 1998-03-27 KR KR10-1999-7004743A patent/KR100402167B1/ko not_active IP Right Cessation
- 1998-03-31 MY MYPI98001416A patent/MY119635A/en unknown
- 1998-03-31 ZA ZA982702A patent/ZA982702B/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100730820B1 (ko) * | 2003-04-09 | 2007-06-20 | 가부시키가이샤 고베 세이코쇼 | 야금용 개질탄의 제조방법, 및 야금용 개질탄을 이용한 환원금속 및 산화 비철금속 함유 슬래그의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
BR9806254A (pt) | 2000-01-25 |
JP3480266B2 (ja) | 2003-12-15 |
ID22269A (id) | 1999-09-23 |
JPH11106813A (ja) | 1999-04-20 |
WO1999016915A1 (fr) | 1999-04-08 |
ZA982702B (en) | 1998-10-02 |
MY119635A (en) | 2005-06-30 |
EP0976841A1 (en) | 2000-02-02 |
KR20000069182A (ko) | 2000-11-25 |
EP0976841A4 (en) | 2003-01-15 |
US6248152B1 (en) | 2001-06-19 |
DE69826646T2 (de) | 2005-02-03 |
EP0976841B1 (en) | 2004-09-29 |
DE69826646D1 (de) | 2004-11-04 |
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