JPH0159327B2 - - Google Patents
Info
- Publication number
- JPH0159327B2 JPH0159327B2 JP61009585A JP958586A JPH0159327B2 JP H0159327 B2 JPH0159327 B2 JP H0159327B2 JP 61009585 A JP61009585 A JP 61009585A JP 958586 A JP958586 A JP 958586A JP H0159327 B2 JPH0159327 B2 JP H0159327B2
- Authority
- JP
- Japan
- Prior art keywords
- chromium
- slag
- furnace
- powdered
- ore
- 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
- 239000011651 chromium Substances 0.000 claims description 67
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 65
- 229910052804 chromium Inorganic materials 0.000 claims description 65
- 239000002893 slag Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 26
- 238000009628 steelmaking Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 23
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 239000000571 coke Substances 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 5
- 229910000423 chromium oxide Inorganic materials 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 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 Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP958586A JPS62167808A (ja) | 1986-01-20 | 1986-01-20 | 含クロム溶銑の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP958586A JPS62167808A (ja) | 1986-01-20 | 1986-01-20 | 含クロム溶銑の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167808A JPS62167808A (ja) | 1987-07-24 |
| JPH0159327B2 true JPH0159327B2 (ru) | 1989-12-15 |
Family
ID=11724396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP958586A Granted JPS62167808A (ja) | 1986-01-20 | 1986-01-20 | 含クロム溶銑の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167808A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153207A (ja) * | 1986-08-11 | 1988-06-25 | Sumitomo Metal Ind Ltd | クロム鉱石の溶融還元方法 |
| JPH0726160B2 (ja) * | 1988-03-18 | 1995-03-22 | 日新製鋼株式会社 | ステンレス鋼製造時の副生物からの有価金属回収方法 |
| JPH01294812A (ja) * | 1988-05-20 | 1989-11-28 | Nisshin Steel Co Ltd | ステンレス鋼ベースメタルの製造法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834109A (ja) * | 1981-08-22 | 1983-02-28 | Nippon Steel Corp | 低Ｓｉ銑吹製方法 |
| JPS5877548A (ja) * | 1981-10-31 | 1983-05-10 | Kawasaki Steel Corp | クロム鉱石の溶融還元法 |
-
1986
- 1986-01-20 JP JP958586A patent/JPS62167808A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834109A (ja) * | 1981-08-22 | 1983-02-28 | Nippon Steel Corp | 低Ｓｉ銑吹製方法 |
| JPS5877548A (ja) * | 1981-10-31 | 1983-05-10 | Kawasaki Steel Corp | クロム鉱石の溶融還元法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167808A (ja) | 1987-07-24 |
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