NO124697B - - Google Patents
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- Publication number
- NO124697B NO124697B NO2611/69A NO261169A NO124697B NO 124697 B NO124697 B NO 124697B NO 2611/69 A NO2611/69 A NO 2611/69A NO 261169 A NO261169 A NO 261169A NO 124697 B NO124697 B NO 124697B
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- gas
- heating
- ore
- reduction
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 84
- 239000007789 gas Substances 0.000 claims description 71
- 238000010438 heat treatment Methods 0.000 claims description 44
- 229910052742 iron Inorganic materials 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 41
- 239000003245 coal Substances 0.000 claims description 35
- 239000000571 coke Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000001603 reducing effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 2
- 239000008188 pellet Substances 0.000 description 13
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 6
- 238000011946 reduction process Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003077 lignite Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 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
- C21B13/0073—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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
-
- 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
- C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT601668A AT303780B (de) | 1968-06-24 | 1968-06-24 | Verfahren und Vorrichtung zur Erzeugung von Eisenschwamm aus oxydischen Eisenerzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO124697B true NO124697B (es) | 1972-05-23 |
Family
ID=3582026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2611/69A NO124697B (es) | 1968-06-24 | 1969-06-24 |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5120444B1 (es) |
| AT (1) | AT303780B (es) |
| BE (1) | BE735044A (es) |
| BG (1) | BG16457A3 (es) |
| BR (1) | BR6910042D0 (es) |
| CS (1) | CS186202B2 (es) |
| DE (1) | DE1927558B1 (es) |
| ES (1) | ES368560A1 (es) |
| FR (1) | FR2011575A1 (es) |
| GB (1) | GB1241715A (es) |
| LU (1) | LU58917A1 (es) |
| NL (1) | NL6909659A (es) |
| NO (1) | NO124697B (es) |
| PL (1) | PL72637B1 (es) |
| RO (1) | RO55582A (es) |
| SE (1) | SE380831B (es) |
| SU (1) | SU528040A3 (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653512C2 (de) * | 1976-11-25 | 1983-10-06 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Direktreduktion von oxydischen eisenhaltigen Materialien |
| JPS5512256U (es) * | 1978-07-11 | 1980-01-25 | ||
| JPS57194327U (es) * | 1981-06-05 | 1982-12-09 | ||
| DE3123589A1 (de) * | 1981-06-13 | 1983-01-13 | Fried. Krupp Gmbh, 4300 Essen | "vorrichtung zum abtrennen des im drehrohrofen erzeugten eisenschwammprodukts" |
| DE3334221A1 (de) * | 1983-08-25 | 1985-03-14 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur erzeugung von fluessigem, kohlenstoffhaltigem eisen aus eisenschwamm |
| US5055131A (en) * | 1987-08-31 | 1991-10-08 | Northern States Power Company | Cogeneration process for production of energy and iron materials |
| US5064174A (en) * | 1989-10-16 | 1991-11-12 | Northern States Power Company | Apparatus for production of energy and iron materials, including steel |
| US5045112A (en) * | 1988-02-08 | 1991-09-03 | Northern States Power Company | Cogeneration process for production of energy and iron materials, including steel |
| RU2299911C1 (ru) * | 2005-12-27 | 2007-05-27 | Общество С Ограниченной Ответственностью Промышленная Компания "Технология Металлов" | Устройство для выплавки металлов или сплавов |
| DE102009001646B3 (de) * | 2009-03-18 | 2010-07-22 | Daou, Rafic Boulos, Bdadoun | Stahlerzeugungseinrichtung |
| DE102010002523B4 (de) | 2009-03-18 | 2011-12-22 | Rafic Boulos Daou | Stahlerzeugungseinrichtung |
| KR101220554B1 (ko) * | 2010-12-28 | 2013-01-10 | 주식회사 포스코 | 용선제조장치 및 이를 이용한 용선제조방법 |
| WO2014035276A1 (ru) * | 2012-08-28 | 2014-03-06 | Общество С Ограниченной Ответственностью Промышленная Компания "Технология Металлов" | Способ и устройство получения металла из содержащих оксиды железа материалов |
| CN107677119B (zh) * | 2017-11-28 | 2023-09-29 | 河南昱千鑫金属科技有限公司 | 一种回转窑自动加料系统及其控制方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1937822A (en) * | 1933-12-05 | Beneficiation of ores | ||
| US2694097A (en) * | 1952-06-21 | 1954-11-09 | Elektrokemisk As | Electric smelting equipment and method of using same |
| DE1149033B (de) * | 1956-04-04 | 1963-05-22 | Horace Freemann | Verfahren zum trockenen Reduzieren von Eisenoxyd oder von anderen Metalloxyden, wie den Oxyden des Kupfers, Kobalts oder Nickels |
-
1968
- 1968-06-24 AT AT601668A patent/AT303780B/de active
-
1969
- 1969-05-30 DE DE19691927558 patent/DE1927558B1/de not_active Ceased
- 1969-06-19 ES ES368560A patent/ES368560A1/es not_active Expired
- 1969-06-19 CS CS6900004336A patent/CS186202B2/cs unknown
- 1969-06-20 LU LU58917D patent/LU58917A1/xx unknown
- 1969-06-23 GB GB31566/69A patent/GB1241715A/en not_active Expired
- 1969-06-23 FR FR6920991A patent/FR2011575A1/fr not_active Withdrawn
- 1969-06-23 BR BR210042/69A patent/BR6910042D0/pt unknown
- 1969-06-23 SE SE6908853A patent/SE380831B/xx unknown
- 1969-06-23 RO RORUA60316*8A patent/RO55582A/ro unknown
- 1969-06-24 PL PL13437369A patent/PL72637B1/pl unknown
- 1969-06-24 BE BE735044D patent/BE735044A/xx unknown
- 1969-06-24 NO NO2611/69A patent/NO124697B/no unknown
- 1969-06-24 NL NL6909659A patent/NL6909659A/xx unknown
- 1969-06-24 SU SU1339301A patent/SU528040A3/ru active
- 1969-06-24 JP JP44049965A patent/JPS5120444B1/ja active Pending
- 1969-06-24 BG BG012514A patent/BG16457A3/bg unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE735044A (es) | 1969-12-01 |
| CS186202B2 (en) | 1978-11-30 |
| PL72637B1 (es) | 1974-08-31 |
| ES368560A1 (es) | 1971-05-01 |
| GB1241715A (en) | 1971-08-04 |
| BR6910042D0 (pt) | 1973-04-17 |
| SE380831B (sv) | 1975-11-17 |
| BG16457A3 (bg) | 1972-11-20 |
| AT303780B (de) | 1972-12-11 |
| LU58917A1 (es) | 1969-11-11 |
| JPS5120444B1 (es) | 1976-06-25 |
| RO55582A (es) | 1974-01-03 |
| DE1927558B1 (de) | 1971-08-26 |
| NL6909659A (es) | 1969-12-30 |
| FR2011575A1 (es) | 1970-03-06 |
| SU528040A3 (ru) | 1976-09-05 |
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