JPS63103013A - 含クロム溶銑の製造方法 - Google Patents
含クロム溶銑の製造方法Info
- Publication number
- JPS63103013A JPS63103013A JP24668086A JP24668086A JPS63103013A JP S63103013 A JPS63103013 A JP S63103013A JP 24668086 A JP24668086 A JP 24668086A JP 24668086 A JP24668086 A JP 24668086A JP S63103013 A JPS63103013 A JP S63103013A
- Authority
- JP
- Japan
- Prior art keywords
- chromium
- furnace
- tuyere
- tuyeres
- lower tuyeres
- 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 title claims description 72
- 239000011651 chromium Substances 0.000 title claims description 72
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000003575 carbonaceous material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract description 5
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000000571 coke Substances 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24668086A JPS63103013A (ja) | 1986-10-17 | 1986-10-17 | 含クロム溶銑の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24668086A JPS63103013A (ja) | 1986-10-17 | 1986-10-17 | 含クロム溶銑の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103013A true JPS63103013A (ja) | 1988-05-07 |
| JPH0454722B2 JPH0454722B2 (enrdf_load_stackoverflow) | 1992-09-01 |
Family
ID=17152020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24668086A Granted JPS63103013A (ja) | 1986-10-17 | 1986-10-17 | 含クロム溶銑の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63103013A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5945725A (ja) * | 1982-09-08 | 1984-03-14 | Victor Co Of Japan Ltd | パルス性雑音の低減装置 |
-
1986
- 1986-10-17 JP JP24668086A patent/JPS63103013A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5945725A (ja) * | 1982-09-08 | 1984-03-14 | Victor Co Of Japan Ltd | パルス性雑音の低減装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454722B2 (enrdf_load_stackoverflow) | 1992-09-01 |
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