FR2431539A2 - Procede de reduction directe de matiere contenant de l'oxyde de fer au four tubulaire rotatif - Google Patents
Procede de reduction directe de matiere contenant de l'oxyde de fer au four tubulaire rotatifInfo
- Publication number
- FR2431539A2 FR2431539A2 FR7918593A FR7918593A FR2431539A2 FR 2431539 A2 FR2431539 A2 FR 2431539A2 FR 7918593 A FR7918593 A FR 7918593A FR 7918593 A FR7918593 A FR 7918593A FR 2431539 A2 FR2431539 A2 FR 2431539A2
- Authority
- FR
- France
- Prior art keywords
- iron oxide
- direct reduction
- material containing
- containing iron
- rotary tubular
- 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.)
- Pending
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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Abstract
Procédé de réduction directe de l'oxyde de fer au four tubulaire rotatif. On utilise, comme agent réducteur carboné solide, du vieux caoutchouc, au moins partiellement fragmenté, et l'on envoie des gaz contenant de l'oxygène en quantités réglées à l'aide de tubes à chemisage dans l'espace libre du four. Traitement du minerai de fer.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782831827 DE2831827A1 (de) | 1978-07-20 | 1978-07-20 | Verfahren zur direktreduktion im drehrohrofen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2431539A2 true FR2431539A2 (fr) | 1980-02-15 |
Family
ID=6044841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7918593A Pending FR2431539A2 (fr) | 1978-07-20 | 1979-07-18 | Procede de reduction directe de matiere contenant de l'oxyde de fer au four tubulaire rotatif |
Country Status (9)
Country | Link |
---|---|
US (1) | US4268304A (fr) |
JP (1) | JPS5518597A (fr) |
AT (1) | AT367799B (fr) |
BR (1) | BR7904627A (fr) |
CA (1) | CA1113252A (fr) |
DE (1) | DE2831827A1 (fr) |
FR (1) | FR2431539A2 (fr) |
GB (1) | GB2027059B (fr) |
IT (1) | IT1165257B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1219891C (zh) * | 1999-05-06 | 2005-09-21 | 株式会社神户制钢所 | 直接还原法及回转炉床炉 |
JP2009127064A (ja) * | 2007-11-20 | 2009-06-11 | Sumitomo Heavy Ind Ltd | 還元処理装置及び還元処理方法 |
CN108251659B (zh) * | 2018-01-16 | 2020-02-21 | 中南大学 | 一种强化红土镍矿直接还原工艺制备镍铁的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU173806B (hu) * | 1977-08-15 | 1979-08-28 | Endre Breznay | Sposob unichtozhenija rezinovykh otkhodov, naprimer, iznoshennykh pokryshek s povtornym ispol'zovaniem sostavnyk ehlementov ikh |
-
1978
- 1978-07-20 DE DE19782831827 patent/DE2831827A1/de not_active Withdrawn
-
1979
- 1979-06-28 AT AT0453079A patent/AT367799B/de not_active IP Right Cessation
- 1979-07-03 GB GB7923027A patent/GB2027059B/en not_active Expired
- 1979-07-17 IT IT24400/79A patent/IT1165257B/it active
- 1979-07-17 US US06/058,353 patent/US4268304A/en not_active Expired - Lifetime
- 1979-07-18 FR FR7918593A patent/FR2431539A2/fr active Pending
- 1979-07-19 CA CA332,144A patent/CA1113252A/fr not_active Expired
- 1979-07-19 BR BR7904627A patent/BR7904627A/pt unknown
- 1979-07-20 JP JP9315079A patent/JPS5518597A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5518597A (en) | 1980-02-08 |
AT367799B (de) | 1982-07-26 |
IT1165257B (it) | 1987-04-22 |
GB2027059B (en) | 1982-11-24 |
CA1113252A (fr) | 1981-12-01 |
BR7904627A (pt) | 1981-01-21 |
DE2831827A1 (de) | 1980-02-07 |
US4268304A (en) | 1981-05-19 |
GB2027059A (en) | 1980-02-13 |
IT7924400A0 (it) | 1979-07-17 |
ATA453079A (de) | 1981-12-15 |
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