JPS61143505A - 高合金鋼の精練方法 - Google Patents
高合金鋼の精練方法Info
- Publication number
- JPS61143505A JPS61143505A JP26302784A JP26302784A JPS61143505A JP S61143505 A JPS61143505 A JP S61143505A JP 26302784 A JP26302784 A JP 26302784A JP 26302784 A JP26302784 A JP 26302784A JP S61143505 A JPS61143505 A JP S61143505A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- reduction
- decarburization
- alloy steel
- reducing
- 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
- 238000007670 refining Methods 0.000 title claims abstract description 15
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 12
- 238000007664 blowing Methods 0.000 claims abstract description 21
- 238000005261 decarburization Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 230000002829 reductive effect Effects 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000006477 desulfuration reaction Methods 0.000 abstract description 5
- 230000023556 desulfurization Effects 0.000 abstract description 5
- 229910005347 FeSi Inorganic materials 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 229910000617 Mangalloy Inorganic materials 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- 239000000446 fuel Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 21
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- 239000011651 chromium Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 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
- C21C5/005—Manufacture of stainless steel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26302784A JPS61143505A (ja) | 1984-12-14 | 1984-12-14 | 高合金鋼の精練方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26302784A JPS61143505A (ja) | 1984-12-14 | 1984-12-14 | 高合金鋼の精練方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61143505A true JPS61143505A (ja) | 1986-07-01 |
JPH0477045B2 JPH0477045B2 (enrdf_load_stackoverflow) | 1992-12-07 |
Family
ID=17383862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26302784A Granted JPS61143505A (ja) | 1984-12-14 | 1984-12-14 | 高合金鋼の精練方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61143505A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0578726A (ja) * | 1991-09-26 | 1993-03-30 | Sumitomo Metal Ind Ltd | 転炉精錬方法 |
JP2009263705A (ja) * | 2008-04-23 | 2009-11-12 | Nippon Steel Corp | 溶鉄の脱硫精錬方法 |
CN113355477A (zh) * | 2021-05-18 | 2021-09-07 | 北京科技大学 | 一种底吹氢气实现转炉高废钢比冶炼的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59145718A (ja) * | 1983-02-10 | 1984-08-21 | Nippon Kokan Kk <Nkk> | 溶融金属精錬用ノズルにおけるガスの吹込み方法 |
-
1984
- 1984-12-14 JP JP26302784A patent/JPS61143505A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59145718A (ja) * | 1983-02-10 | 1984-08-21 | Nippon Kokan Kk <Nkk> | 溶融金属精錬用ノズルにおけるガスの吹込み方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0578726A (ja) * | 1991-09-26 | 1993-03-30 | Sumitomo Metal Ind Ltd | 転炉精錬方法 |
JP2009263705A (ja) * | 2008-04-23 | 2009-11-12 | Nippon Steel Corp | 溶鉄の脱硫精錬方法 |
CN113355477A (zh) * | 2021-05-18 | 2021-09-07 | 北京科技大学 | 一种底吹氢气实现转炉高废钢比冶炼的方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0477045B2 (enrdf_load_stackoverflow) | 1992-12-07 |
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