NO753460L - - Google Patents
Info
- Publication number
- NO753460L NO753460L NO753460A NO753460A NO753460L NO 753460 L NO753460 L NO 753460L NO 753460 A NO753460 A NO 753460A NO 753460 A NO753460 A NO 753460A NO 753460 L NO753460 L NO 753460L
- Authority
- NO
- Norway
- Prior art keywords
- magnesium
- briquettes
- calcium
- furnace
- oxide
- Prior art date
Links
- 239000011777 magnesium Substances 0.000 claims description 218
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 213
- 229910052749 magnesium Inorganic materials 0.000 claims description 213
- 239000002893 slag Substances 0.000 claims description 119
- 238000000034 method Methods 0.000 claims description 96
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 91
- 238000006243 chemical reaction Methods 0.000 claims description 65
- 239000000395 magnesium oxide Substances 0.000 claims description 64
- 239000011575 calcium Substances 0.000 claims description 47
- 229910000676 Si alloy Inorganic materials 0.000 claims description 46
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 44
- 229910000882 Ca alloy Inorganic materials 0.000 claims description 42
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 42
- 239000000292 calcium oxide Substances 0.000 claims description 42
- 239000002994 raw material Substances 0.000 claims description 40
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 37
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 35
- 229910052710 silicon Inorganic materials 0.000 claims description 33
- 239000010703 silicon Substances 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 29
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 17
- 238000007667 floating Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 46
- 230000008569 process Effects 0.000 description 40
- 239000004484 Briquette Substances 0.000 description 38
- 238000006722 reduction reaction Methods 0.000 description 33
- 229910000514 dolomite Inorganic materials 0.000 description 30
- 239000010459 dolomite Substances 0.000 description 30
- 230000009467 reduction Effects 0.000 description 30
- 238000010586 diagram Methods 0.000 description 26
- 238000001704 evaporation Methods 0.000 description 21
- 230000008020 evaporation Effects 0.000 description 21
- 239000000843 powder Substances 0.000 description 13
- 230000002829 reductive effect Effects 0.000 description 13
- 238000002156 mixing Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000012300 argon atmosphere Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- 229910052681 coesite Inorganic materials 0.000 description 6
- 229910052906 cristobalite Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 229910052682 stishovite Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052905 tridymite Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 229910004706 CaSi2 Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 229910000171 calcio olivine Inorganic materials 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910004709 CaSi Inorganic materials 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50020853A JPS5195909A (pt) | 1975-02-21 | 1975-02-21 | |
| JP50020852A JPS5195908A (en) | 1975-02-21 | 1975-02-21 | Ganmaguneshiumu buriketsuto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO753460L true NO753460L (pt) | 1976-08-24 |
Family
ID=26357853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO753460A NO753460L (pt) | 1975-02-21 | 1975-10-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4015978A (pt) |
| AT (1) | ATA129776A (pt) |
| CA (1) | CA1064709A (pt) |
| DE (1) | DE2547085B2 (pt) |
| FR (2) | FR2301491A1 (pt) |
| IT (1) | IT1047243B (pt) |
| NO (1) | NO753460L (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350523A (en) * | 1979-04-12 | 1982-09-21 | Kabushiki Kaisha Kobe Seiko Sho | Porous iron ore pellets |
| CN101457304B (zh) * | 2008-12-31 | 2011-04-27 | 邓小宝 | 中心回燃内热蓄热式节能高效炉罐一体化还原炉系统 |
| CN105950889B (zh) * | 2016-06-29 | 2018-10-26 | 狄保法 | 一种电弧炉真空炼镁系统及其炼镁方法 |
| CN105970004B (zh) * | 2016-06-29 | 2018-10-26 | 狄保法 | 一种真空感应炉炼镁系统及其炼镁方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538287B2 (pt) * | 1973-12-28 | 1978-03-27 |
-
1975
- 1975-10-14 NO NO753460A patent/NO753460L/no unknown
- 1975-10-16 CA CA237,754A patent/CA1064709A/en not_active Expired
- 1975-10-17 US US05/623,490 patent/US4015978A/en not_active Expired - Lifetime
- 1975-10-21 DE DE2547085A patent/DE2547085B2/de not_active Withdrawn
- 1975-10-28 IT IT69661/75A patent/IT1047243B/it active
- 1975-11-05 FR FR7533830A patent/FR2301491A1/fr not_active Withdrawn
-
1976
- 1976-02-23 AT AT129776A patent/ATA129776A/de not_active IP Right Cessation
- 1976-03-10 FR FR7606883A patent/FR2301599A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ATA129776A (de) | 1978-07-15 |
| IT1047243B (it) | 1980-09-10 |
| US4015978A (en) | 1977-04-05 |
| FR2301599A1 (fr) | 1976-09-17 |
| FR2301599B1 (pt) | 1979-04-20 |
| DE2547085B2 (de) | 1978-08-17 |
| FR2301491A1 (fr) | 1976-09-17 |
| CA1064709A (en) | 1979-10-23 |
| DE2547085A1 (de) | 1976-09-30 |
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