JPH0125363B2 - - Google Patents
Info
- Publication number
- JPH0125363B2 JPH0125363B2 JP17324482A JP17324482A JPH0125363B2 JP H0125363 B2 JPH0125363 B2 JP H0125363B2 JP 17324482 A JP17324482 A JP 17324482A JP 17324482 A JP17324482 A JP 17324482A JP H0125363 B2 JPH0125363 B2 JP H0125363B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- powder
- moo
- carrier gas
- cawo
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 70
- 239000010959 steel Substances 0.000 claims description 70
- 229910052721 tungsten Inorganic materials 0.000 claims description 27
- 229910052750 molybdenum Inorganic materials 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 25
- 239000012159 carrier gas Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims 2
- 238000006722 reduction reaction Methods 0.000 description 14
- 238000007654 immersion Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- 229910004534 SiMn Inorganic materials 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 229910004829 CaWO4 Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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 |
|---|---|---|---|
| JP17324482A JPS5964712A (ja) | 1982-10-04 | 1982-10-04 | 合金添加方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17324482A JPS5964712A (ja) | 1982-10-04 | 1982-10-04 | 合金添加方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5964712A JPS5964712A (ja) | 1984-04-12 |
| JPH0125363B2 true JPH0125363B2 (pt) | 1989-05-17 |
Family
ID=15956827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17324482A Granted JPS5964712A (ja) | 1982-10-04 | 1982-10-04 | 合金添加方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5964712A (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2889843B1 (fr) * | 2005-08-16 | 2007-10-19 | Valdi Soc Par Actions Simplifi | Procede de preparation de sels de calcium |
| CN103469049B (zh) * | 2013-09-13 | 2016-08-17 | 江阴兴澄特种钢铁有限公司 | 氧化钼直接合金化炼钢工艺 |
| CN111961889B (zh) * | 2020-09-07 | 2021-02-09 | 江苏汇联铝业有限公司 | 一种熔炼合金过程中粉状料的加入设备及方法 |
-
1982
- 1982-10-04 JP JP17324482A patent/JPS5964712A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5964712A (ja) | 1984-04-12 |
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