NO124038B - - Google Patents
Download PDFInfo
- Publication number
- NO124038B NO124038B NO1643/68A NO164368A NO124038B NO 124038 B NO124038 B NO 124038B NO 1643/68 A NO1643/68 A NO 1643/68A NO 164368 A NO164368 A NO 164368A NO 124038 B NO124038 B NO 124038B
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- reducing agent
- reduction
- carbon
- rotary tube
- Prior art date
Links
- 239000003638 chemical reducing agent Substances 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 14
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 230000009257 reactivity Effects 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 9
- 239000008188 pellet Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000470 constituent Substances 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000010459 dolomite Substances 0.000 description 3
- 229910000514 dolomite Inorganic materials 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
- 238000010405 reoxidation reaction Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
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)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM0074144 | 1967-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO124038B true NO124038B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-21 |
Family
ID=7315480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1643/68A NO124038B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-05-27 | 1968-04-27 |
Country Status (10)
-
1967
- 1967-05-27 DE DE19671303614D patent/DE1303614B/de active Pending
-
1968
- 1968-04-19 ES ES352904A patent/ES352904A1/es not_active Expired
- 1968-04-27 NO NO1643/68A patent/NO124038B/no unknown
- 1968-04-30 GB GB20491/68A patent/GB1222123A/en not_active Expired
- 1968-05-13 AT AT461068A patent/AT318668B/de not_active IP Right Cessation
- 1968-05-21 SE SE06893/68A patent/SE347289B/xx unknown
- 1968-05-24 BE BE715679D patent/BE715679A/xx unknown
- 1968-05-27 FR FR1564446D patent/FR1564446A/fr not_active Expired
- 1968-05-27 BG BG010036A patent/BG16456A3/bg unknown
- 1968-05-27 NL NL6807457A patent/NL6807457A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6807457A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-11-28 |
| DE1303614B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-01 |
| ES352904A1 (es) | 1969-09-01 |
| GB1222123A (en) | 1971-02-10 |
| BE715679A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-10-16 |
| BG16456A3 (bg) | 1972-11-20 |
| SE347289B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-31 |
| FR1564446A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-04-18 |
| AT318668B (de) | 1974-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3163520A (en) | Process and apparatus for preheating and pre-reduction of charge to electric furnace | |
| US2829042A (en) | Furnacing process | |
| US3206299A (en) | Dense-bed, rotary, kiln process and apparatus for pretreatment of a metallurgical charge | |
| US3033673A (en) | Process of reducing iron oxides | |
| US4551172A (en) | Process of producing liquid carbon-containing iron | |
| US3169055A (en) | Process for producing pig iron in rotary furnace | |
| SU1466652A3 (ru) | Способ восстановлени железосодержащих хромовых руд во вращающейс печи | |
| US4354669A (en) | Apparatus for regulating the quantities and percentages of the gaseous constituents of oxygen, nitrogen, carbon dioxide and water in reaction processes in metallurgical applications | |
| US3228670A (en) | Methods and apparatus for ore reduction and processing of other chemically reactive aggregates | |
| US1941983A (en) | Metallurgy of iron | |
| NO124038B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| NO159996B (no) | Fremgangsmaate for omdannelse av kalsiumsulfat til kalium-eller natriumsulfat. | |
| US3326670A (en) | Steelmaking process | |
| US3197303A (en) | Process for pretreatment of ores in rotary kiln | |
| US2788964A (en) | Metallurgical furnace | |
| CN110055360B (zh) | 一种dri加入高炉铁水的方法 | |
| Sarangi et al. | Alternative routes to iron making | |
| NO150815B (no) | Proporsjonerende ventil | |
| US4179280A (en) | Direct-reduction process carried out in a rotary kiln | |
| Fuller | Process for direct smelting of lead concentrates | |
| US2401146A (en) | Process for producing iron or iron alloys | |
| Zhuravlev et al. | Fluxed local sinters—agglomerated iron ore mono raw material for blast-furnace smelting | |
| Williams et al. | Production of sponge iron | |
| RU2058395C1 (ru) | Доменная печь | |
| JPH0635604B2 (ja) | 高炉操業方法 |