JPH02170909A - 転炉の吹止成分推定方法 - Google Patents
転炉の吹止成分推定方法Info
- Publication number
- JPH02170909A JPH02170909A JP23196789A JP23196789A JPH02170909A JP H02170909 A JPH02170909 A JP H02170909A JP 23196789 A JP23196789 A JP 23196789A JP 23196789 A JP23196789 A JP 23196789A JP H02170909 A JPH02170909 A JP H02170909A
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- blowing
- blow
- concentration
- oxygen
- 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
- 238000000034 method Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 238000007664 blowing Methods 0.000 claims abstract description 65
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 33
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 abstract description 16
- 238000010079 rubber tapping Methods 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 230000036284 oxygen consumption Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 7
- 229910000677 High-carbon steel Inorganic materials 0.000 description 6
- 239000010459 dolomite Substances 0.000 description 6
- 229910000514 dolomite Inorganic materials 0.000 description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 239000010436 fluorite Substances 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- -1 C9Mn Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23196789A JPH02170909A (ja) | 1988-09-07 | 1989-09-07 | 転炉の吹止成分推定方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22508888 | 1988-09-07 | ||
| JP63-225088 | 1988-09-07 | ||
| JP63-225089 | 1988-09-07 | ||
| JP23196789A JPH02170909A (ja) | 1988-09-07 | 1989-09-07 | 転炉の吹止成分推定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02170909A true JPH02170909A (ja) | 1990-07-02 |
| JPH0442451B2 JPH0442451B2 (enrdf_load_stackoverflow) | 1992-07-13 |
Family
ID=26526431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23196789A Granted JPH02170909A (ja) | 1988-09-07 | 1989-09-07 | 転炉の吹止成分推定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02170909A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013023696A (ja) * | 2011-07-15 | 2013-02-04 | Nippon Steel & Sumitomo Metal Corp | 転炉吹錬制御方法 |
-
1989
- 1989-09-07 JP JP23196789A patent/JPH02170909A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013023696A (ja) * | 2011-07-15 | 2013-02-04 | Nippon Steel & Sumitomo Metal Corp | 転炉吹錬制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442451B2 (enrdf_load_stackoverflow) | 1992-07-13 |
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