JPS621444B2 - - Google Patents
Info
- Publication number
- JPS621444B2 JPS621444B2 JP13639582A JP13639582A JPS621444B2 JP S621444 B2 JPS621444 B2 JP S621444B2 JP 13639582 A JP13639582 A JP 13639582A JP 13639582 A JP13639582 A JP 13639582A JP S621444 B2 JPS621444 B2 JP S621444B2
- Authority
- JP
- Japan
- Prior art keywords
- cao
- mgo
- sio
- slag
- refining
- 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
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 25
- 238000007670 refining Methods 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 20
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 58
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 53
- 239000000292 calcium oxide Substances 0.000 description 29
- 235000012255 calcium oxide Nutrition 0.000 description 29
- 239000000395 magnesium oxide Substances 0.000 description 27
- 235000012245 magnesium oxide Nutrition 0.000 description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 238000006477 desulfuration reaction Methods 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- 229910052681 coesite Inorganic materials 0.000 description 6
- 229910052906 cristobalite Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 229910052682 stishovite Inorganic materials 0.000 description 6
- 229910052905 tridymite Inorganic materials 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 229910001634 calcium fluoride Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 239000011651 chromium Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- -1 as mentioned above Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13639582A JPS5928514A (ja) | 1982-08-06 | 1982-08-06 | ステンレス鋼の精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13639582A JPS5928514A (ja) | 1982-08-06 | 1982-08-06 | ステンレス鋼の精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928514A JPS5928514A (ja) | 1984-02-15 |
| JPS621444B2 true JPS621444B2 (enrdf_load_stackoverflow) | 1987-01-13 |
Family
ID=15174151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13639582A Granted JPS5928514A (ja) | 1982-08-06 | 1982-08-06 | ステンレス鋼の精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928514A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06925B2 (ja) * | 1986-01-06 | 1994-01-05 | 川崎製鉄株式会社 | ステンレス鋼の精錬方法 |
| JP5315669B2 (ja) * | 2007-11-05 | 2013-10-16 | Ｊｆｅスチール株式会社 | Ｒｈ真空脱ガス装置による溶鋼の精錬方法 |
| CN103255356B (zh) * | 2013-05-10 | 2015-05-20 | 山西太钢不锈钢股份有限公司 | 一种制造低碳不锈钢的方法 |
-
1982
- 1982-08-06 JP JP13639582A patent/JPS5928514A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5928514A (ja) | 1984-02-15 |
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