DE2754988C2 - Verfahren zur Herstellung von Ferrochrom in einem Hochofen - Google Patents
Verfahren zur Herstellung von Ferrochrom in einem HochofenInfo
- Publication number
- DE2754988C2 DE2754988C2 DE2754988A DE2754988A DE2754988C2 DE 2754988 C2 DE2754988 C2 DE 2754988C2 DE 2754988 A DE2754988 A DE 2754988A DE 2754988 A DE2754988 A DE 2754988A DE 2754988 C2 DE2754988 C2 DE 2754988C2
- Authority
- DE
- Germany
- Prior art keywords
- blast furnace
- agglomerates
- ore
- slag
- reduction
- 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
- 238000000034 method Methods 0.000 title claims description 43
- 229910000604 Ferrochrome Inorganic materials 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 230000008569 process Effects 0.000 title claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 79
- 230000009467 reduction Effects 0.000 claims description 49
- 239000011651 chromium Substances 0.000 claims description 44
- 239000000571 coke Substances 0.000 claims description 43
- 239000002893 slag Substances 0.000 claims description 40
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 33
- 230000002829 reductive effect Effects 0.000 claims description 33
- 229910052804 chromium Inorganic materials 0.000 claims description 24
- 239000003575 carbonaceous material Substances 0.000 claims description 18
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 17
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 239000007790 solid phase Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 68
- 238000006722 reduction reaction Methods 0.000 description 49
- 229910052799 carbon Inorganic materials 0.000 description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 34
- 230000008018 melting Effects 0.000 description 32
- 238000002844 melting Methods 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 27
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 23
- 239000000463 material Substances 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000000292 calcium oxide Substances 0.000 description 13
- 235000012255 calcium oxide Nutrition 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- 239000000395 magnesium oxide Substances 0.000 description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 239000008188 pellet Substances 0.000 description 10
- 239000007858 starting material Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 7
- 229910000805 Pig iron Inorganic materials 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000006028 limestone Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010309 melting process Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 239000007792 gaseous phase Substances 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 3
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 229910003470 tongbaite Inorganic materials 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000010716 Vigna mungo Nutrition 0.000 description 1
- 244000042295 Vigna mungo Species 0.000 description 1
- RMXTYBQNQCQHEU-UHFFFAOYSA-N ac1lawpn Chemical compound [Cr]#[Cr] RMXTYBQNQCQHEU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14845276A JPS5372718A (en) | 1976-12-10 | 1976-12-10 | Manufacture of ferrochromium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2754988A1 DE2754988A1 (de) | 1978-06-15 |
| DE2754988C2 true DE2754988C2 (de) | 1983-11-03 |
Family
ID=15453083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2754988A Expired DE2754988C2 (de) | 1976-12-10 | 1977-12-09 | Verfahren zur Herstellung von Ferrochrom in einem Hochofen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4106929A (enExample) |
| JP (1) | JPS5372718A (enExample) |
| DE (1) | DE2754988C2 (enExample) |
| FR (1) | FR2373613A1 (enExample) |
| IN (1) | IN147145B (enExample) |
| PH (1) | PH13739A (enExample) |
| SE (1) | SE441101B (enExample) |
| ZA (1) | ZA777320B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2531978B1 (fr) * | 1982-08-20 | 1985-07-12 | Delachaux C | Procede de fabrication de metaux ou d'alliages de purete elevee |
| JPS62290841A (ja) * | 1986-06-10 | 1987-12-17 | Nippon Kokan Kk <Nkk> | 含クロム銑の製造方法 |
| KR0125761B1 (ko) * | 1988-03-11 | 1997-12-18 | 지미 알.오크스 | 탄화규소나 탄화망간 또는 그 철함유합금의 제조방법 |
| BR9611315A (pt) * | 1995-11-06 | 1999-12-28 | Aeci Ltd | Método de preparação de grânulos endurecidos de um material em forma de partículas. |
| RU2114060C1 (ru) * | 1997-05-06 | 1998-06-27 | Открытое акционерное общество "Челябинский электрометаллургический комбинат" | Офлюсованный хроморудный агломерат |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2238078A (en) * | 1939-01-23 | 1941-04-15 | Percy H Royster | Production of ferrochromium |
| US2286577A (en) * | 1939-03-09 | 1942-06-16 | Percy H Royster | Pyrometallurgical process for the production of pig-iron and ferrochromium |
| US3198624A (en) * | 1961-08-24 | 1965-08-03 | Interlake Steel Corp | Process for the manufacture of stainless steel |
| US3336132A (en) * | 1964-03-09 | 1967-08-15 | Crucible Steel Co America | Stainless steel manufacturing process and equipment |
| US3607247A (en) * | 1968-11-12 | 1971-09-21 | Crucible Inc | Processes for the oxygen converter production of stainless steels |
| JPS5240119B2 (enExample) * | 1971-09-18 | 1977-10-08 |
-
1976
- 1976-12-10 JP JP14845276A patent/JPS5372718A/ja active Granted
-
1977
- 1977-12-05 IN IN436/DEL/77A patent/IN147145B/en unknown
- 1977-12-06 SE SE7713817A patent/SE441101B/xx not_active IP Right Cessation
- 1977-12-06 US US05/857,857 patent/US4106929A/en not_active Expired - Lifetime
- 1977-12-08 FR FR7737758A patent/FR2373613A1/fr active Granted
- 1977-12-08 ZA ZA00777320A patent/ZA777320B/xx unknown
- 1977-12-09 PH PH20538A patent/PH13739A/en unknown
- 1977-12-09 DE DE2754988A patent/DE2754988C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IN147145B (enExample) | 1979-11-24 |
| SE441101B (sv) | 1985-09-09 |
| DE2754988A1 (de) | 1978-06-15 |
| SE7713817L (sv) | 1978-06-11 |
| JPS6110545B2 (enExample) | 1986-03-29 |
| US4106929A (en) | 1978-08-15 |
| PH13739A (en) | 1980-09-10 |
| JPS5372718A (en) | 1978-06-28 |
| FR2373613A1 (fr) | 1978-07-07 |
| ZA777320B (en) | 1978-10-25 |
| FR2373613B1 (enExample) | 1981-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |