JPH042643B2 - - Google Patents
Info
- Publication number
- JPH042643B2 JPH042643B2 JP62200910A JP20091087A JPH042643B2 JP H042643 B2 JPH042643 B2 JP H042643B2 JP 62200910 A JP62200910 A JP 62200910A JP 20091087 A JP20091087 A JP 20091087A JP H042643 B2 JPH042643 B2 JP H042643B2
- Authority
- JP
- Japan
- Prior art keywords
- dust
- ore
- furnace
- carbonaceous
- molten metal
- 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 - Lifetime
Links
- 239000000428 dust Substances 0.000 claims description 59
- 239000002245 particle Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 230000009467 reduction Effects 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 17
- 238000003723 Smelting Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 description 66
- 239000007789 gas Substances 0.000 description 21
- 239000002893 slag Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- 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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62200910A JPS6447820A (en) | 1987-08-13 | 1987-08-13 | Production of molten metal from powdery ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62200910A JPS6447820A (en) | 1987-08-13 | 1987-08-13 | Production of molten metal from powdery ore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6447820A JPS6447820A (en) | 1989-02-22 |
| JPH042643B2 true JPH042643B2 (en]) | 1992-01-20 |
Family
ID=16432300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62200910A Granted JPS6447820A (en) | 1987-08-13 | 1987-08-13 | Production of molten metal from powdery ore |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447820A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT406480B8 (de) * | 1995-07-19 | 2000-07-25 | Voest Alpine Ind Anlagen | Verfahren zur herstellung von flüssigem roheisen oder stahlvorprodukten und anlage zur durchführung des verfahrens |
| AT407052B (de) * | 1998-08-13 | 2000-12-27 | Voest Alpine Ind Anlagen | Verfahren zur herstellung von flüssigem roheisen |
-
1987
- 1987-08-13 JP JP62200910A patent/JPS6447820A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6447820A (en) | 1989-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |