JPH0478690B2 - - Google Patents
Info
- Publication number
- JPH0478690B2 JPH0478690B2 JP62016899A JP1689987A JPH0478690B2 JP H0478690 B2 JPH0478690 B2 JP H0478690B2 JP 62016899 A JP62016899 A JP 62016899A JP 1689987 A JP1689987 A JP 1689987A JP H0478690 B2 JPH0478690 B2 JP H0478690B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- furnace
- electric arc
- nozzle
- steel
- 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 61
- 239000010959 steel Substances 0.000 claims description 61
- 238000010079 rubber tapping Methods 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 32
- 238000007664 blowing Methods 0.000 claims description 27
- 238000010891 electric arc Methods 0.000 claims description 24
- 238000006477 desulfuration reaction Methods 0.000 claims description 15
- 230000023556 desulfurization Effects 0.000 claims description 15
- 239000002893 slag Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 28
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016899A JPS63183116A (ja) | 1987-01-26 | 1987-01-26 | 電弧炉の操業方法及び電弧炉 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016899A JPS63183116A (ja) | 1987-01-26 | 1987-01-26 | 電弧炉の操業方法及び電弧炉 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63183116A JPS63183116A (ja) | 1988-07-28 |
| JPH0478690B2 true JPH0478690B2 (it) | 1992-12-11 |
Family
ID=11928993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62016899A Granted JPS63183116A (ja) | 1987-01-26 | 1987-01-26 | 電弧炉の操業方法及び電弧炉 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63183116A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04187985A (ja) * | 1990-11-21 | 1992-07-06 | Nippon Steel Corp | 底吹電気炉の構造 |
| JPH04103594U (ja) * | 1991-02-08 | 1992-09-07 | 新日本製鐵株式会社 | 電気炉の炉体形状 |
-
1987
- 1987-01-26 JP JP62016899A patent/JPS63183116A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63183116A (ja) | 1988-07-28 |
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