JPS6160882B2 - - Google Patents
Info
- Publication number
- JPS6160882B2 JPS6160882B2 JP15811681A JP15811681A JPS6160882B2 JP S6160882 B2 JPS6160882 B2 JP S6160882B2 JP 15811681 A JP15811681 A JP 15811681A JP 15811681 A JP15811681 A JP 15811681A JP S6160882 B2 JPS6160882 B2 JP S6160882B2
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- tuyere
- lance
- row
- hearth
- 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
- 238000007664 blowing Methods 0.000 claims description 92
- 238000007670 refining Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 21
- 238000003756 stirring Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 18
- 238000002474 experimental method Methods 0.000 description 12
- 239000002893 slag Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 230000009471 action Effects 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000009628 steelmaking Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229940057995 liquid paraffin Drugs 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
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 |
---|---|---|---|
JP15811681A JPS5861213A (ja) | 1981-10-06 | 1981-10-06 | 底吹き上吹き精錬装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15811681A JPS5861213A (ja) | 1981-10-06 | 1981-10-06 | 底吹き上吹き精錬装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5861213A JPS5861213A (ja) | 1983-04-12 |
JPS6160882B2 true JPS6160882B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-12-23 |
Family
ID=15664645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15811681A Granted JPS5861213A (ja) | 1981-10-06 | 1981-10-06 | 底吹き上吹き精錬装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5861213A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5282396B2 (ja) * | 2007-11-30 | 2013-09-04 | Jfeスチール株式会社 | 上底吹き転炉 |
JP5884197B2 (ja) * | 2013-04-17 | 2016-03-15 | Jfeスチール株式会社 | 転炉の精錬方法 |
-
1981
- 1981-10-06 JP JP15811681A patent/JPS5861213A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5861213A (ja) | 1983-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU727153A3 (ru) | Способ конвертерного передела высокофосфористого чугуна в сталь | |
EP1270748B1 (en) | Metal refining method using a two-step oxygen blowing sequence | |
JPS6160882B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
GB2099021A (en) | Preventing foaming when refining pig iron by top-slawing agent and device for carrying out the process | |
EP0090452B1 (en) | Process for producing steel in a converter from pig iron and ferrous scrap | |
US2800631A (en) | Method of carrying out melting processes | |
US4409024A (en) | Top-and-bottom blown converter steel making process | |
EP0070526B1 (en) | Operation of a top-and-bottom blown converter and a lance used therefor | |
JP2808197B2 (ja) | 大径浸漬管による溶鋼の真空精錬法 | |
JP2767674B2 (ja) | 高純度ステンレス鋼の精錬方法 | |
JPH06116626A (ja) | 真空精錬炉を用いた低炭素鋼の溶製法 | |
JPH1143714A (ja) | 精錬用ランス | |
Dutta et al. | Oxygen Steelmaking Processes | |
US3722873A (en) | Method and apparatus for refining molten metal | |
JPS5594415A (en) | Steel making method of less slag producing amount | |
JP2890428B2 (ja) | 溶融還元法 | |
JP2025095607A (ja) | 精錬方法および転炉 | |
JPS569312A (en) | Refining of steel | |
JPS6152211B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
Pehlke | Pneumatic steelmaking | |
JPS6152212B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPS596311A (ja) | 転炉の吹錬方法 | |
Akdogan et al. | Model study of bath mixing intensity in ferroalloy refining processes | |
JPS57149409A (en) | Refining by top and bottom blowing converter | |
Wilson | Simultaneously Desulfurizing and Degassing Steels |