JPS59179726A - 難還元性鉱石の予備還元法 - Google Patents
難還元性鉱石の予備還元法Info
- Publication number
- JPS59179726A JPS59179726A JP5357583A JP5357583A JPS59179726A JP S59179726 A JPS59179726 A JP S59179726A JP 5357583 A JP5357583 A JP 5357583A JP 5357583 A JP5357583 A JP 5357583A JP S59179726 A JPS59179726 A JP S59179726A
- Authority
- JP
- Japan
- Prior art keywords
- ore
- furnace
- reduction
- fluidized bed
- gas
- 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
- 238000000034 method Methods 0.000 title claims description 16
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 15
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 15
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims 1
- 238000006722 reduction reaction Methods 0.000 abstract description 44
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 29
- 229910052804 chromium Inorganic materials 0.000 abstract description 29
- 239000011651 chromium Substances 0.000 abstract description 29
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000007664 blowing Methods 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5357583A JPS59179726A (ja) | 1983-03-31 | 1983-03-31 | 難還元性鉱石の予備還元法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5357583A JPS59179726A (ja) | 1983-03-31 | 1983-03-31 | 難還元性鉱石の予備還元法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59179726A true JPS59179726A (ja) | 1984-10-12 |
| JPS6136575B2 JPS6136575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-08-19 |
Family
ID=12946625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5357583A Granted JPS59179726A (ja) | 1983-03-31 | 1983-03-31 | 難還元性鉱石の予備還元法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59179726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948645A (en) * | 1973-04-30 | 1976-04-06 | Boliden Aktiebolag | Method of carrying out heat-requiring chemical and/or physical processes in a fluidized bed |
| JPS57198205A (en) * | 1981-04-28 | 1982-12-04 | Kawasaki Steel Corp | Production of molten metal from powder and granular ore |
| JPS589809A (ja) * | 1981-07-08 | 1983-01-20 | Mitsui Toatsu Chem Inc | 水素化ケイ素の新しい製造方法 |
-
1983
- 1983-03-31 JP JP5357583A patent/JPS59179726A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948645A (en) * | 1973-04-30 | 1976-04-06 | Boliden Aktiebolag | Method of carrying out heat-requiring chemical and/or physical processes in a fluidized bed |
| JPS57198205A (en) * | 1981-04-28 | 1982-12-04 | Kawasaki Steel Corp | Production of molten metal from powder and granular ore |
| JPS589809A (ja) * | 1981-07-08 | 1983-01-20 | Mitsui Toatsu Chem Inc | 水素化ケイ素の新しい製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6136575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-08-19 |