JPS6152212B2 - - Google Patents
Info
- Publication number
- JPS6152212B2 JPS6152212B2 JP8933381A JP8933381A JPS6152212B2 JP S6152212 B2 JPS6152212 B2 JP S6152212B2 JP 8933381 A JP8933381 A JP 8933381A JP 8933381 A JP8933381 A JP 8933381A JP S6152212 B2 JPS6152212 B2 JP S6152212B2
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- reaction vessel
- lance
- oxygen
- 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
- 239000002184 metal Substances 0.000 claims description 46
- 229910052751 metal Inorganic materials 0.000 claims description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 229910052760 oxygen Inorganic materials 0.000 claims description 29
- 239000001301 oxygen Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 238000005261 decarburization Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000007670 refining Methods 0.000 claims description 10
- 230000035515 penetration Effects 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 description 24
- 239000002893 slag Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000005303 weighing 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
- C21C5/285—Plants therefor
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933381A JPS57203713A (en) | 1981-06-10 | 1981-06-10 | Method of decarburization refining in reaction vessel with small free board |
| AU81848/82A AU532932B2 (en) | 1981-03-30 | 1982-03-24 | Post-refining of basic oxygen steel |
| EP19820102580 EP0061749B1 (en) | 1981-03-30 | 1982-03-26 | A multi-step steelmaking refining method |
| DE8282102580T DE3269285D1 (en) | 1981-03-30 | 1982-03-26 | A multi-step steelmaking refining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933381A JPS57203713A (en) | 1981-06-10 | 1981-06-10 | Method of decarburization refining in reaction vessel with small free board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57203713A JPS57203713A (en) | 1982-12-14 |
| JPS6152212B2 true JPS6152212B2 (sv) | 1986-11-12 |
Family
ID=13967754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8933381A Granted JPS57203713A (en) | 1981-03-30 | 1981-06-10 | Method of decarburization refining in reaction vessel with small free board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57203713A (sv) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210002465A (ko) | 2018-06-28 | 2021-01-08 | 후루카와 덴키 고교 가부시키가이샤 | 구리 합금 판재 및 구리 합금 판재의 제조 방법 및 구리 합금 판재를 사용한 커넥터 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871318A (ja) * | 1981-10-26 | 1983-04-28 | Nippon Kokan Kk <Nkk> | 転炉の操業方法 |
-
1981
- 1981-06-10 JP JP8933381A patent/JPS57203713A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210002465A (ko) | 2018-06-28 | 2021-01-08 | 후루카와 덴키 고교 가부시키가이샤 | 구리 합금 판재 및 구리 합금 판재의 제조 방법 및 구리 합금 판재를 사용한 커넥터 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57203713A (en) | 1982-12-14 |
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