BE509768A - - Google Patents
Info
- Publication number
- BE509768A BE509768A BE509768DA BE509768A BE 509768 A BE509768 A BE 509768A BE 509768D A BE509768D A BE 509768DA BE 509768 A BE509768 A BE 509768A
- Authority
- BE
- Belgium
- Prior art keywords
- ore
- reduction
- cover layer
- layer
- temperature
- Prior art date
Links
- 230000001603 reducing Effects 0.000 claims description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000011068 load Methods 0.000 claims description 7
- 230000001590 oxidative Effects 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 239000000571 coke Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000003638 reducing agent Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 238000007885 magnetic separation Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 7
- 239000011241 protective layer Substances 0.000 claims 1
- 238000007873 sieving Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000003009 desulfurizing Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N Calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000005139 Lycium andersonii Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 235000015450 Tilia cordata Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509768A true BE509768A (xx) |
Family
ID=149089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509768D BE509768A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE509768A (xx) |
-
0
- BE BE509768D patent/BE509768A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5865875A (en) | Process for treating metal oxide fines | |
| RU2220208C2 (ru) | Способ получения металлического железа и устройство для его осуществления | |
| EP0976843B1 (en) | Treatment of steel plant waste metal oxides by firing the same in the form of coke containing briquettes | |
| RU2279483C2 (ru) | Способ получения металлического железа | |
| KR920019952A (ko) | 직접환원 방법 및 장치 | |
| RU2484145C2 (ru) | Способ производства гранулированного железа | |
| JPH0827507A (ja) | 低硫黄含有量の海綿鉄の製造方法 | |
| CA1049266A (en) | Process for the direct reduction of metal oxides | |
| WO1997032048A1 (fr) | Procede et appareil de traitement de poussiere de production de fer | |
| JPH11504985A (ja) | 鉄酸化物含有物から金属を回収する方法 | |
| JP3043325B2 (ja) | 還元鉄ペレットの製造方法およびこの方法で製造した還元鉄ペレット | |
| CN105555973A (zh) | 粒状铁的制造方法 | |
| RU2650024C2 (ru) | Способы и системы для восстановления хромсодержащего сырья | |
| RU2388830C1 (ru) | Способ получения металлического железа | |
| BE509768A (xx) | ||
| JPH1053820A (ja) | 鋼ダスト、スラッジ及び／又は鉱石の金属化合物類の処理方法 | |
| US2684296A (en) | Reduction of iron ores | |
| RU2240361C2 (ru) | Способ очистки от цинка и восстановления (металлизации) железоокисных отходов | |
| EP1439237A1 (fr) | Procédé de recyclage de poussière d'aciérie et produit obtenu avec ce procédé | |
| BE508600A (xx) | ||
| BE557584A (xx) | ||
| FI88622C (fi) | Foerfarande foer termisk reduktion av agglomererade metallurgiska matningsmaterial | |
| BE537058A (xx) | ||
| BE350272A (xx) | ||
| EP0422309A1 (fr) | Four à cuve pour la réduction d'oxyde de fer par l'hydrogène en vue de la production de poudre de fer pour frittage |