AU610957B2 - Process of directly reducing iron oxide-containing materials in a rotary kiln - Google Patents
Process of directly reducing iron oxide-containing materials in a rotary kiln Download PDFInfo
- Publication number
- AU610957B2 AU610957B2 AU26953/88A AU2695388A AU610957B2 AU 610957 B2 AU610957 B2 AU 610957B2 AU 26953/88 A AU26953/88 A AU 26953/88A AU 2695388 A AU2695388 A AU 2695388A AU 610957 B2 AU610957 B2 AU 610957B2
- Authority
- AU
- Australia
- Prior art keywords
- rotary kiln
- kiln
- iron oxide
- fraction
- fine
- 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.)
- Ceased
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 40
- 239000000463 material Substances 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 210000002837 heart atrium Anatomy 0.000 claims 1
- 239000002245 particle Substances 0.000 description 11
- 238000007664 blowing Methods 0.000 description 8
- 239000012298 atmosphere Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 235000015250 liver sausages Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 208000021302 gastroesophageal reflux disease Diseases 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XYSQXZCMOLNHOI-UHFFFAOYSA-N s-[2-[[4-(acetylsulfamoyl)phenyl]carbamoyl]phenyl] 5-pyridin-1-ium-1-ylpentanethioate;bromide Chemical compound [Br-].C1=CC(S(=O)(=O)NC(=O)C)=CC=C1NC(=O)C1=CC=CC=C1SC(=O)CCCC[N+]1=CC=CC=C1 XYSQXZCMOLNHOI-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21B13/08—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)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3743007 | 1987-12-18 | ||
| DE19873743007 DE3743007A1 (de) | 1987-12-18 | 1987-12-18 | Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2695388A AU2695388A (en) | 1989-06-22 |
| AU610957B2 true AU610957B2 (en) | 1991-05-30 |
Family
ID=6342944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU26953/88A Ceased AU610957B2 (en) | 1987-12-18 | 1988-12-16 | Process of directly reducing iron oxide-containing materials in a rotary kiln |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2172277A1 (en) * | 1993-09-22 | 1995-03-30 | Harold Robert Harris | Roasting of titaniferous materials |
| GB9523229D0 (en) * | 1995-11-14 | 1996-01-17 | Allied Dust Processing Ltd | Method of processing finely divided material incorporating metal based constituents |
| CN100398669C (zh) * | 2005-05-10 | 2008-07-02 | 太原理工大学 | 用微波竖炉制取低碳海绵铁的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098157A (en) * | 1965-06-23 | 1968-01-10 | Metallgesellschaft Ag | Method of charging a rotary kiln for carrying out endothermic reactions |
| AU525022B2 (en) * | 1979-02-13 | 1982-10-14 | Metallgesellschaft Aktiengesellschaft | Multistage steel making process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1484260A (fr) * | 1965-06-23 | 1967-06-09 | Metallgesellschaft Ag | Procédé de réalisation de réactions endothermiques dans un four tubulaire tournant |
-
1987
- 1987-12-18 DE DE19873743007 patent/DE3743007A1/de not_active Withdrawn
-
1988
- 1988-01-11 IN IN22/CAL/88A patent/IN169929B/en unknown
- 1988-09-16 CN CN88106723A patent/CN1016618B/zh not_active Expired
- 1988-10-05 TR TR706/88A patent/TR23570A/xx unknown
- 1988-11-02 BR BR888805650A patent/BR8805650A/pt not_active IP Right Cessation
- 1988-12-01 EP EP88202755A patent/EP0321018B1/de not_active Expired - Lifetime
- 1988-12-01 DE DE8888202755T patent/DE3873051D1/de not_active Expired - Lifetime
- 1988-12-01 ES ES88202755T patent/ES2042722T3/es not_active Expired - Lifetime
- 1988-12-15 ZA ZA889414A patent/ZA889414B/xx unknown
- 1988-12-16 PT PT89252A patent/PT89252B/pt not_active IP Right Cessation
- 1988-12-16 AU AU26953/88A patent/AU610957B2/en not_active Ceased
-
1992
- 1992-10-08 GR GR920401646T patent/GR3005903T3/el unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098157A (en) * | 1965-06-23 | 1968-01-10 | Metallgesellschaft Ag | Method of charging a rotary kiln for carrying out endothermic reactions |
| AU525022B2 (en) * | 1979-02-13 | 1982-10-14 | Metallgesellschaft Aktiengesellschaft | Multistage steel making process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3743007A1 (de) | 1989-06-29 |
| CN1033649A (zh) | 1989-07-05 |
| IN169929B (enrdf_load_stackoverflow) | 1992-01-11 |
| EP0321018B1 (de) | 1992-07-22 |
| ZA889414B (en) | 1990-08-29 |
| CN1016618B (zh) | 1992-05-13 |
| TR23570A (tr) | 1990-04-03 |
| BR8805650A (pt) | 1989-07-18 |
| GR3005903T3 (enrdf_load_stackoverflow) | 1993-06-07 |
| PT89252A (pt) | 1989-12-29 |
| ES2042722T3 (es) | 1993-12-16 |
| PT89252B (pt) | 1993-07-30 |
| EP0321018A1 (de) | 1989-06-21 |
| DE3873051D1 (de) | 1992-08-27 |
| AU2695388A (en) | 1989-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |