JPH021898B2 - - Google Patents
Info
- Publication number
- JPH021898B2 JPH021898B2 JP20085587A JP20085587A JPH021898B2 JP H021898 B2 JPH021898 B2 JP H021898B2 JP 20085587 A JP20085587 A JP 20085587A JP 20085587 A JP20085587 A JP 20085587A JP H021898 B2 JPH021898 B2 JP H021898B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hearth
- molten metal
- lance pipe
- furnace
- 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
- 239000002184 metal Substances 0.000 claims description 41
- 229910052751 metal Inorganic materials 0.000 claims description 41
- 238000003723 Smelting Methods 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000012495 reaction gas Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 4
- 238000011017 operating method Methods 0.000 claims description 2
- 239000011449 brick Substances 0.000 description 30
- 238000007664 blowing Methods 0.000 description 22
- 239000002893 slag Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 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
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20085587A JPS6447821A (en) | 1987-08-13 | 1987-08-13 | Method for operating autogoneous smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20085587A JPS6447821A (en) | 1987-08-13 | 1987-08-13 | Method for operating autogoneous smelting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6447821A JPS6447821A (en) | 1989-02-22 |
| JPH021898B2 true JPH021898B2 (enrdf_load_stackoverflow) | 1990-01-16 |
Family
ID=16431345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20085587A Granted JPS6447821A (en) | 1987-08-13 | 1987-08-13 | Method for operating autogoneous smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447821A (enrdf_load_stackoverflow) |
-
1987
- 1987-08-13 JP JP20085587A patent/JPS6447821A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6447821A (en) | 1989-02-22 |
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