JPS6325044B2 - - Google Patents
Info
- Publication number
- JPS6325044B2 JPS6325044B2 JP13178381A JP13178381A JPS6325044B2 JP S6325044 B2 JPS6325044 B2 JP S6325044B2 JP 13178381 A JP13178381 A JP 13178381A JP 13178381 A JP13178381 A JP 13178381A JP S6325044 B2 JPS6325044 B2 JP S6325044B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- fluidized bed
- furnace
- reduction furnace
- iron
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 198
- 239000007789 gas Substances 0.000 claims description 111
- 230000009467 reduction Effects 0.000 claims description 82
- 229910052742 iron Inorganic materials 0.000 claims description 69
- 239000002245 particle Substances 0.000 claims description 61
- 238000002407 reforming Methods 0.000 claims description 35
- 229930195733 hydrocarbon Natural products 0.000 claims description 32
- 150000002430 hydrocarbons Chemical class 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 239000004215 Carbon black (E152) Substances 0.000 claims description 12
- 239000003345 natural gas Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 26
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 25
- 239000003054 catalyst Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001232253 Xanthisma spinulosum Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (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 |
|---|---|---|---|
| JP13178381A JPS5834114A (ja) | 1981-08-21 | 1981-08-21 | 還元鉄の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13178381A JPS5834114A (ja) | 1981-08-21 | 1981-08-21 | 還元鉄の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5834114A JPS5834114A (ja) | 1983-02-28 |
| JPS6325044B2 true JPS6325044B2 (enrdf_load_stackoverflow) | 1988-05-24 |
Family
ID=15066038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13178381A Granted JPS5834114A (ja) | 1981-08-21 | 1981-08-21 | 還元鉄の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834114A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629095B2 (ja) * | 1983-11-28 | 1994-04-20 | 株式会社東芝 | 紙葉類の変位検出方法 |
| JPS61282091A (ja) * | 1985-06-10 | 1986-12-12 | Kanegafuchi Chem Ind Co Ltd | カカオバタ−代用脂の製造法 |
| JPH0689391B2 (ja) * | 1986-03-31 | 1994-11-09 | 株式会社神戸製鋼所 | 鉄鉱石の流動層還元方法 |
| JPH075951B2 (ja) * | 1987-03-02 | 1995-01-25 | 株式会社神戸製鋼所 | 複合型直接製鉄法 |
| AT402937B (de) * | 1992-05-22 | 1997-09-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material |
| AT409387B (de) | 2000-06-28 | 2002-07-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur gasreduktion von teilchenförmigen oxidhältigen erzen |
| AT409386B (de) * | 2000-06-28 | 2002-07-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur direktreduktion von teilchenförmigen oxidhältigen erzen |
-
1981
- 1981-08-21 JP JP13178381A patent/JPS5834114A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5834114A (ja) | 1983-02-28 |
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