JPH0480964B2 - - Google Patents
Info
- Publication number
- JPH0480964B2 JPH0480964B2 JP59254051A JP25405184A JPH0480964B2 JP H0480964 B2 JPH0480964 B2 JP H0480964B2 JP 59254051 A JP59254051 A JP 59254051A JP 25405184 A JP25405184 A JP 25405184A JP H0480964 B2 JPH0480964 B2 JP H0480964B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- temperature
- inert gas
- gas
- furnace
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 239000011261 inert gas Substances 0.000 claims description 32
- 238000007670 refining Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 23
- 238000010438 heat treatment Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- PPKXEPBICJTCRU-XMZRARIVSA-N (R,R)-tramadol hydrochloride Chemical compound Cl.COC1=CC=CC([C@]2(O)[C@H](CCCC2)CN(C)C)=C1 PPKXEPBICJTCRU-XMZRARIVSA-N 0.000 description 2
- 229920003295 Radel® Polymers 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
- C21C5/52—Manufacture of steel in electric furnaces
-
- 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
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59254051A JPS61133307A (ja) | 1984-12-03 | 1984-12-03 | 溶鋼の精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59254051A JPS61133307A (ja) | 1984-12-03 | 1984-12-03 | 溶鋼の精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61133307A JPS61133307A (ja) | 1986-06-20 |
| JPH0480964B2 true JPH0480964B2 (Direct) | 1992-12-21 |
Family
ID=17259546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59254051A Granted JPS61133307A (ja) | 1984-12-03 | 1984-12-03 | 溶鋼の精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61133307A (Direct) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6456816A (en) * | 1987-08-27 | 1989-03-03 | Sumitomo Metal Ind | Heating method for molten steel in ladle |
| CN108690901B (zh) * | 2017-04-04 | 2021-01-08 | 上海梅山钢铁股份有限公司 | 钢包底吹氩动态自动控制装置及控制方法 |
| KR101965768B1 (ko) | 2018-06-07 | 2019-04-04 | 케이씨글라스(주) | 철동합금의 용탕처리 방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58161732A (ja) * | 1982-03-17 | 1983-09-26 | Kobe Steel Ltd | フラツクス−不活性ガス混合体の吹込法 |
-
1984
- 1984-12-03 JP JP59254051A patent/JPS61133307A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61133307A (ja) | 1986-06-20 |
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