JPS58221642A - 溶鋼加窒方法 - Google Patents
溶鋼加窒方法Info
- Publication number
- JPS58221642A JPS58221642A JP10197482A JP10197482A JPS58221642A JP S58221642 A JPS58221642 A JP S58221642A JP 10197482 A JP10197482 A JP 10197482A JP 10197482 A JP10197482 A JP 10197482A JP S58221642 A JPS58221642 A JP S58221642A
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- nitrogen
- nozzle
- ladle
- tundish
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000009749 continuous casting Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000005121 nitriding Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 abstract description 11
- 238000007654 immersion Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- RRZKHZBOZDIQJG-UHFFFAOYSA-N azane;manganese Chemical compound N.[Mn] RRZKHZBOZDIQJG-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10197482A JPS58221642A (ja) | 1982-06-16 | 1982-06-16 | 溶鋼加窒方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10197482A JPS58221642A (ja) | 1982-06-16 | 1982-06-16 | 溶鋼加窒方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58221642A true JPS58221642A (ja) | 1983-12-23 |
| JPS6338264B2 JPS6338264B2 (enrdf_load_stackoverflow) | 1988-07-29 |
Family
ID=14314833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10197482A Granted JPS58221642A (ja) | 1982-06-16 | 1982-06-16 | 溶鋼加窒方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58221642A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06179054A (ja) * | 1992-12-11 | 1994-06-28 | Nippon Steel Corp | タンディッシュ小ロット材の窒素調整方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52165106U (enrdf_load_stackoverflow) * | 1976-06-10 | 1977-12-14 | ||
| JPS52165107U (enrdf_load_stackoverflow) * | 1976-06-10 | 1977-12-14 | ||
| JPS566763A (en) * | 1979-06-29 | 1981-01-23 | Kobe Steel Ltd | Continuous casting method of nitrogen-containing steel |
| JPS57115956A (en) * | 1981-01-13 | 1982-07-19 | Daido Steel Co Ltd | Production of high nitrogen steel |
| JPS57116747A (en) * | 1981-01-13 | 1982-07-20 | Daido Steel Co Ltd | Manufacture of high nitrogen steel |
-
1982
- 1982-06-16 JP JP10197482A patent/JPS58221642A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52165106U (enrdf_load_stackoverflow) * | 1976-06-10 | 1977-12-14 | ||
| JPS52165107U (enrdf_load_stackoverflow) * | 1976-06-10 | 1977-12-14 | ||
| JPS566763A (en) * | 1979-06-29 | 1981-01-23 | Kobe Steel Ltd | Continuous casting method of nitrogen-containing steel |
| JPS57115956A (en) * | 1981-01-13 | 1982-07-19 | Daido Steel Co Ltd | Production of high nitrogen steel |
| JPS57116747A (en) * | 1981-01-13 | 1982-07-20 | Daido Steel Co Ltd | Manufacture of high nitrogen steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06179054A (ja) * | 1992-12-11 | 1994-06-28 | Nippon Steel Corp | タンディッシュ小ロット材の窒素調整方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6338264B2 (enrdf_load_stackoverflow) | 1988-07-29 |
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