JPH0225964B2 - - Google Patents
Info
- Publication number
- JPH0225964B2 JPH0225964B2 JP9403282A JP9403282A JPH0225964B2 JP H0225964 B2 JPH0225964 B2 JP H0225964B2 JP 9403282 A JP9403282 A JP 9403282A JP 9403282 A JP9403282 A JP 9403282A JP H0225964 B2 JPH0225964 B2 JP H0225964B2
- Authority
- JP
- Japan
- Prior art keywords
- steel bath
- converter
- steel
- flow
- blowing
- 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 64
- 239000010959 steel Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 description 32
- 239000007789 gas Substances 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000005261 decarburization Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000005314 correlation function Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZFMITUMMTDLWHR-UHFFFAOYSA-N Minoxidil Chemical compound NC1=[N+]([O-])C(N)=CC(N2CCCCC2)=N1 ZFMITUMMTDLWHR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000001845 vibrational spectrum Methods 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
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9403282A JPS58213815A (ja) | 1982-06-03 | 1982-06-03 | 溶鋼の精錬過程管理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9403282A JPS58213815A (ja) | 1982-06-03 | 1982-06-03 | 溶鋼の精錬過程管理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58213815A JPS58213815A (ja) | 1983-12-12 |
| JPH0225964B2 true JPH0225964B2 (https=) | 1990-06-06 |
Family
ID=14099218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9403282A Granted JPS58213815A (ja) | 1982-06-03 | 1982-06-03 | 溶鋼の精錬過程管理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58213815A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02179811A (ja) * | 1988-12-28 | 1990-07-12 | Sumitomo Metal Ind Ltd | 金属精錬炉における金属溶解検出装置 |
| KR100488757B1 (ko) * | 2000-10-26 | 2005-05-11 | 주식회사 포스코 | 가스의 취입량에 따른 레이들내의 교반력 측정방법 및이를 이용한 청정강의 제조방법 |
| DE202007005054U1 (de) * | 2007-04-05 | 2007-08-02 | Ab Skf | Lagervorrichtung mit wenigstens einem Loslager |
| BR112016012017B1 (pt) * | 2013-11-28 | 2021-03-02 | Jfe Steel Corporation | método de operação de um conversor |
-
1982
- 1982-06-03 JP JP9403282A patent/JPS58213815A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58213815A (ja) | 1983-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102697257B1 (ko) | 감압하에 있어서의 용강의 탈탄 정련 방법 | |
| JPH0225964B2 (https=) | ||
| JPH09176719A (ja) | 転炉および吹錬操業方法 | |
| JPH05263120A (ja) | 転炉吹錬制御方法 | |
| JPS5830656A (ja) | 融体等の撹半状況判別方法 | |
| JPS622603B2 (https=) | ||
| JPH06256832A (ja) | 転炉吹錬方法 | |
| JP2885620B2 (ja) | 転炉精錬法 | |
| JPH11140528A (ja) | 溶融鉄処理炉におけるスロッピングの予知方法 | |
| JP3623816B2 (ja) | 真空精錬炉及びその操業方法 | |
| Debiesme et al. | Steel Cleanliness at Sollac Dunkerque | |
| JPH06248321A (ja) | 精錬炉におけるスロッピング予知方法 | |
| US3607230A (en) | Process for controlling the carbon content of a molten metal bath | |
| JPH05148526A (ja) | 転炉吹錬方法 | |
| JPS6225727B2 (https=) | ||
| JPH1068010A (ja) | 溶銑予備処理方法 | |
| JP6943300B2 (ja) | 真空脱ガス設備の制御装置及び制御方法 | |
| JP5760982B2 (ja) | 溶鋼の精錬方法 | |
| JPH08295924A (ja) | 真空脱ガス装置における検音式脱炭終点判別法 | |
| Buydens et al. | The dynamic control of the slag foaming operation in the electric arc furnace | |
| JPH06235015A (ja) | 精錬容器におけるスロッピング予知方法とその装置 | |
| EP0239116B1 (en) | Method for determining deoxidant concentration in molten metal | |
| JPS6120814B2 (https=) | ||
| SU1010140A1 (ru) | Способ вакуумировани жидкой стали | |
| JPH11350018A (ja) | 炭素濃度推定方法及び精錬方法 |