JPH0524961B2 - - Google Patents
Info
- Publication number
- JPH0524961B2 JPH0524961B2 JP5257885A JP5257885A JPH0524961B2 JP H0524961 B2 JPH0524961 B2 JP H0524961B2 JP 5257885 A JP5257885 A JP 5257885A JP 5257885 A JP5257885 A JP 5257885A JP H0524961 B2 JPH0524961 B2 JP H0524961B2
- Authority
- JP
- Japan
- Prior art keywords
- slag
- gas
- amount
- molten
- ore
- 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 - Lifetime
Links
- 239000002893 slag Substances 0.000 claims description 59
- 239000007789 gas Substances 0.000 claims description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 238000007664 blowing Methods 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 239000003575 carbonaceous material Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 description 33
- 238000006722 reduction reaction Methods 0.000 description 25
- 238000002485 combustion reaction Methods 0.000 description 14
- 238000003723 Smelting Methods 0.000 description 12
- 230000009467 reduction Effects 0.000 description 12
- 229910000640 Fe alloy Inorganic materials 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000000155 melt Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000012768 molten material Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000000571 coke Substances 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 229910017112 Fe—C Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- -1 N 2 Chemical compound 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5257885A JPS61213310A (ja) | 1985-03-18 | 1985-03-18 | 鉄系合金溶湯の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5257885A JPS61213310A (ja) | 1985-03-18 | 1985-03-18 | 鉄系合金溶湯の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61213310A JPS61213310A (ja) | 1986-09-22 |
| JPH0524961B2 true JPH0524961B2 (fr) | 1993-04-09 |
Family
ID=12918684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5257885A Granted JPS61213310A (ja) | 1985-03-18 | 1985-03-18 | 鉄系合金溶湯の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61213310A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA906892B (en) * | 1989-09-04 | 1991-06-26 | Nippon Steel Corp | Method of operating in-bath smelting reduction furnace |
| JP4781812B2 (ja) * | 2005-12-28 | 2011-09-28 | 新日本製鐵株式会社 | 転炉製鋼方法 |
| JP5166804B2 (ja) | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | 溶鉄製造方法 |
| JP5166805B2 (ja) * | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | アーク加熱による溶鉄製造方法 |
-
1985
- 1985-03-18 JP JP5257885A patent/JPS61213310A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61213310A (ja) | 1986-09-22 |
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