CN1016618B - 回转窑中直接还原含有铁氧化物物料生产海绵铁的方法 - Google Patents
回转窑中直接还原含有铁氧化物物料生产海绵铁的方法Info
- Publication number
- CN1016618B CN1016618B CN88106723A CN88106723A CN1016618B CN 1016618 B CN1016618 B CN 1016618B CN 88106723 A CN88106723 A CN 88106723A CN 88106723 A CN88106723 A CN 88106723A CN 1016618 B CN1016618 B CN 1016618B
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- component
- iron oxide
- fine
- added
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 title claims abstract description 46
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000002829 reductive effect Effects 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 15
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 description 6
- 238000005453 pelletization Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 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 |
|---|---|---|---|
| DE19873743007 DE3743007A1 (de) | 1987-12-18 | 1987-12-18 | Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen |
| DEP3743007 | 1987-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1033649A CN1033649A (zh) | 1989-07-05 |
| CN1016618B true CN1016618B (zh) | 1992-05-13 |
Family
ID=6342944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88106723A Expired CN1016618B (zh) | 1987-12-18 | 1988-09-16 | 回转窑中直接还原含有铁氧化物物料生产海绵铁的方法 |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ273867A (en) * | 1993-09-22 | 1998-01-26 | Rgc Mineral Sands Ltd | Method and apparatus for roasting titaniferous materials in a kiln, reagent(s) introduced at plurality of locations along length of kiln or at or near its discharge end |
| 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 |
Family Cites Families (3)
| 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 |
| DE1542305A1 (de) * | 1965-06-23 | 1970-04-30 | Metallgesellschaft Ag | Verfahren zur Durchfuehrung endothermer Reaktionen im Drehrohrofen |
| DE2905339A1 (de) * | 1979-02-13 | 1980-08-21 | Metallgesellschaft Ag | Verfahren zur erzeugung von stahl |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| TR23570A (tr) | 1990-04-03 |
| AU2695388A (en) | 1989-06-22 |
| BR8805650A (pt) | 1989-07-18 |
| PT89252A (pt) | 1989-12-29 |
| ZA889414B (en) | 1990-08-29 |
| IN169929B (enrdf_load_stackoverflow) | 1992-01-11 |
| DE3873051D1 (de) | 1992-08-27 |
| ES2042722T3 (es) | 1993-12-16 |
| CN1033649A (zh) | 1989-07-05 |
| EP0321018A1 (de) | 1989-06-21 |
| DE3743007A1 (de) | 1989-06-29 |
| GR3005903T3 (enrdf_load_stackoverflow) | 1993-06-07 |
| EP0321018B1 (de) | 1992-07-22 |
| PT89252B (pt) | 1993-07-30 |
| AU610957B2 (en) | 1991-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |