JPS61199010A - 溶融還元製鉄法 - Google Patents
溶融還元製鉄法Info
- Publication number
- JPS61199010A JPS61199010A JP3931785A JP3931785A JPS61199010A JP S61199010 A JPS61199010 A JP S61199010A JP 3931785 A JP3931785 A JP 3931785A JP 3931785 A JP3931785 A JP 3931785A JP S61199010 A JPS61199010 A JP S61199010A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- hot metal
- tuyeres
- desulfurization
- molten iron
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 63
- 229910052742 iron Inorganic materials 0.000 title abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 89
- 229910052751 metal Inorganic materials 0.000 claims abstract description 89
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 39
- 230000023556 desulfurization Effects 0.000 claims abstract description 39
- 230000004907 flux Effects 0.000 claims abstract description 22
- 238000007670 refining Methods 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 239000012159 carrier gas Substances 0.000 claims abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 9
- 239000004571 lime Substances 0.000 claims abstract description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 21
- 229910001882 dioxygen Inorganic materials 0.000 claims description 21
- 238000003723 Smelting Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 abstract description 23
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 abstract description 13
- 239000011593 sulfur Substances 0.000 abstract description 13
- 235000012255 calcium oxide Nutrition 0.000 abstract description 9
- 239000000292 calcium oxide Substances 0.000 abstract description 9
- 230000003009 desulfurizing effect Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 206010039897 Sedation Diseases 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000036280 sedation Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000012256 powdered iron Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3931785A JPS61199010A (ja) | 1985-02-28 | 1985-02-28 | 溶融還元製鉄法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3931785A JPS61199010A (ja) | 1985-02-28 | 1985-02-28 | 溶融還元製鉄法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61199010A true JPS61199010A (ja) | 1986-09-03 |
| JPS646242B2 JPS646242B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-02 |
Family
ID=12549731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3931785A Granted JPS61199010A (ja) | 1985-02-28 | 1985-02-28 | 溶融還元製鉄法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199010A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT390804B (de) * | 1988-09-27 | 1990-07-10 | Voest Alpine Ind Anlagen | Verfahren zum kontinuierlichen schmelzen von schrott und/oder roheisen sowie vorrichtung zur durchfuehrung dieses verfahrens |
| JP2001158906A (ja) * | 1999-09-27 | 2001-06-12 | Technological Resources Pty Ltd | 直接製錬法 |
-
1985
- 1985-02-28 JP JP3931785A patent/JPS61199010A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT390804B (de) * | 1988-09-27 | 1990-07-10 | Voest Alpine Ind Anlagen | Verfahren zum kontinuierlichen schmelzen von schrott und/oder roheisen sowie vorrichtung zur durchfuehrung dieses verfahrens |
| JP2001158906A (ja) * | 1999-09-27 | 2001-06-12 | Technological Resources Pty Ltd | 直接製錬法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646242B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-02 |
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