JPS59162213A - 溶融還元炉の操業方法 - Google Patents
溶融還元炉の操業方法Info
- Publication number
- JPS59162213A JPS59162213A JP58034461A JP3446183A JPS59162213A JP S59162213 A JPS59162213 A JP S59162213A JP 58034461 A JP58034461 A JP 58034461A JP 3446183 A JP3446183 A JP 3446183A JP S59162213 A JPS59162213 A JP S59162213A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- flux
- slag
- ore
- reduction
- 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
- 230000004907 flux Effects 0.000 claims abstract description 50
- 239000002893 slag Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000003723 Smelting Methods 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000001603 reducing effect Effects 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 2
- 239000012768 molten material Substances 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 description 15
- 238000002844 melting Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000011017 operating method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 229910021540 colemanite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- -1 iron ore Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 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
- 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
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
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 |
|---|---|---|---|
| JP58034461A JPS59162213A (ja) | 1983-03-04 | 1983-03-04 | 溶融還元炉の操業方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58034461A JPS59162213A (ja) | 1983-03-04 | 1983-03-04 | 溶融還元炉の操業方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59162213A true JPS59162213A (ja) | 1984-09-13 |
| JPH0314889B2 JPH0314889B2 (enrdf_load_stackoverflow) | 1991-02-27 |
Family
ID=12414879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58034461A Granted JPS59162213A (ja) | 1983-03-04 | 1983-03-04 | 溶融還元炉の操業方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59162213A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157807A (ja) * | 1986-12-22 | 1988-06-30 | Kawasaki Steel Corp | 炭材充填層型溶融還元炉の操業方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198205A (en) * | 1981-04-28 | 1982-12-04 | Kawasaki Steel Corp | Production of molten metal from powder and granular ore |
-
1983
- 1983-03-04 JP JP58034461A patent/JPS59162213A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198205A (en) * | 1981-04-28 | 1982-12-04 | Kawasaki Steel Corp | Production of molten metal from powder and granular ore |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157807A (ja) * | 1986-12-22 | 1988-06-30 | Kawasaki Steel Corp | 炭材充填層型溶融還元炉の操業方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0314889B2 (enrdf_load_stackoverflow) | 1991-02-27 |
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