DE3118288C2 - - Google Patents
Info
- Publication number
- DE3118288C2 DE3118288C2 DE19813118288 DE3118288A DE3118288C2 DE 3118288 C2 DE3118288 C2 DE 3118288C2 DE 19813118288 DE19813118288 DE 19813118288 DE 3118288 A DE3118288 A DE 3118288A DE 3118288 C2 DE3118288 C2 DE 3118288C2
- Authority
- DE
- Germany
- Prior art keywords
- desulfurization
- weight
- mass
- lime
- injection
- 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 - Lifetime
Links
- 238000006477 desulfuration reaction Methods 0.000 claims description 124
- 230000023556 desulfurization Effects 0.000 claims description 124
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 122
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 100
- 239000000292 calcium oxide Substances 0.000 claims description 62
- 235000012255 calcium oxide Nutrition 0.000 claims description 62
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 51
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 51
- 239000004571 lime Substances 0.000 claims description 51
- 229910052742 iron Inorganic materials 0.000 claims description 50
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 39
- 239000012159 carrier gas Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 239000010436 fluorite Substances 0.000 claims description 13
- 239000003575 carbonaceous material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 38
- 230000003009 desulfurizing effect Effects 0.000 description 22
- 230000000694 effects Effects 0.000 description 21
- 239000007789 gas Substances 0.000 description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 10
- 239000011593 sulfur Substances 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000005997 Calcium carbide Substances 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 235000010216 calcium carbonate Nutrition 0.000 description 8
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- MVXMNHYVCLMLDD-UHFFFAOYSA-N 4-methoxynaphthalene-1-carbaldehyde Chemical compound C1=CC=C2C(OC)=CC=C(C=O)C2=C1 MVXMNHYVCLMLDD-UHFFFAOYSA-N 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 1.4 wt .-% Inorganic materials 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000011175 product filtration Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6126180A JPS56158827A (en) | 1980-05-10 | 1980-05-10 | Powdered composition for desulfurizing agent |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3118288A1 DE3118288A1 (de) | 1982-04-08 |
DE3118288C2 true DE3118288C2 (US20100223739A1-20100909-C00005.png) | 1992-01-02 |
Family
ID=13166107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3118288A Granted DE3118288A1 (de) | 1980-05-10 | 1981-06-08 | Pulverfoermige entschwefelungsmasse |
Country Status (5)
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170823A (en) * | 1981-04-09 | 1982-10-21 | Nippon Carbide Ind Co Ltd | Fluidized roasting method and apparatus |
JPS58204119A (ja) * | 1982-05-25 | 1983-11-28 | Nippon Carbide Ind Co Ltd | 融鉄の脱硫剤 |
JPS58217619A (ja) * | 1982-06-14 | 1983-12-17 | Nippon Carbide Ind Co Ltd | 融鉄の脱硫剤およびその製造法 |
JPS6169911A (ja) * | 1985-09-06 | 1986-04-10 | Kawasaki Steel Corp | 融鉄の脱硫剤及びその製法 |
US5015291A (en) * | 1989-06-14 | 1991-05-14 | The Dow Chemical Company | Process for desulfurization of molten hot metals |
US5397379A (en) * | 1993-09-22 | 1995-03-14 | Oglebay Norton Company | Process and additive for the ladle refining of steel |
US6179895B1 (en) | 1996-12-11 | 2001-01-30 | Performix Technologies, Ltd. | Basic tundish flux composition for steelmaking processes |
ATE328122T1 (de) * | 2000-06-14 | 2006-06-15 | Jfe Steel Corp | Verfahren und vorrichtung zur herstellung von entschwefelungsmitteln für heisse metalle |
JP5463728B2 (ja) * | 2009-05-11 | 2014-04-09 | 新日鐵住金株式会社 | 溶銑の脱硫材および脱硫方法 |
US9365907B1 (en) | 2013-03-14 | 2016-06-14 | ALMAMET USA, Inc. | Conversion of troublesome lime fines to useful high quality fluidized lime in feeding flux lime to a BOF converter |
JP2022550951A (ja) * | 2019-09-30 | 2022-12-06 | ジャミポル・リミテッド | Kr(kanbara reactor)法における溶銑脱硫 |
CN114590809B (zh) * | 2022-01-06 | 2023-04-25 | 北京科技大学 | 一种氰胺废渣协同电石渣制备脱硫剂及回用co2的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE718288A (US20100223739A1-20100909-C00005.png) | 1967-07-27 | 1968-12-31 | ||
DE1758250B1 (de) * | 1968-04-29 | 1971-10-28 | Sueddeutsche Kalkstickstoff | Mittel zum Entschwefeln von Eisenschmelzen |
JPS5236233B2 (US20100223739A1-20100909-C00005.png) * | 1972-04-25 | 1977-09-14 | ||
JPS5412083B2 (US20100223739A1-20100909-C00005.png) * | 1974-02-23 | 1979-05-19 | ||
DE2500497C2 (de) * | 1975-01-08 | 1977-03-31 | Sueddeutsche Kalkstickstoff | Mittel zum entschwefeln von eisenschmelzen und verfahren zu seiner anwendung |
US3999978A (en) * | 1975-09-29 | 1976-12-28 | Nippon Steel Corporation | Method for making steel by the use of a flux treated by carbon dioxide |
US4137295A (en) * | 1977-04-20 | 1979-01-30 | Tamers Murry A | Carbide production using molten metals as heat source |
DE2741588C2 (de) * | 1977-09-15 | 1985-02-07 | Skw Trostberg Ag, 8223 Trostberg | Mittel zum Entschwefeln von Eisenschmelzen |
FR2432550A1 (fr) * | 1978-08-04 | 1980-02-29 | Sueddeutsche Kalkstickstoff | Procede pour la fabrication d'un melange de desulfuration pulverulent facilement fluidifiable |
JPS55110712A (en) * | 1979-02-15 | 1980-08-26 | Kawasaki Steel Corp | Desulfurizing agent for blowing-in |
US4266969A (en) * | 1980-01-22 | 1981-05-12 | Jones & Laughlin Steel Corporation | Desulfurization process |
DE3015024C2 (de) * | 1980-04-18 | 1982-12-23 | Skw Trostberg Ag, 8223 Trostberg | Entschwefelungsmittel für Roheisen |
JPS56163213A (en) * | 1980-05-20 | 1981-12-15 | Nippon Carbide Ind Co Ltd | Desulfurizer powder composition for molten iron |
-
1980
- 1980-05-10 JP JP6126180A patent/JPS56158827A/ja active Granted
-
1981
- 1981-05-06 US US06/260,884 patent/US4420333A/en not_active Expired - Fee Related
- 1981-05-07 NO NO811557A patent/NO156053C/no unknown
- 1981-05-08 GB GB8114123A patent/GB2077296B/en not_active Expired
- 1981-06-08 DE DE3118288A patent/DE3118288A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3118288A1 (de) | 1982-04-08 |
JPS56158827A (en) | 1981-12-07 |
JPH0135045B2 (US20100223739A1-20100909-C00005.png) | 1989-07-24 |
GB2077296A (en) | 1981-12-16 |
US4420333A (en) | 1983-12-13 |
GB2077296B (en) | 1985-02-06 |
NO811557L (no) | 1981-11-11 |
NO156053B (no) | 1987-04-06 |
NO156053C (no) | 1987-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8180 | Miscellaneous part 1 |
Free format text: DER AT LAUTET RICHTIG: 08.05.81 |
|
8127 | New person/name/address of the applicant |
Owner name: NIPPON CARBIDE KOGYO K.K., TOKYO, JP KAWASAKI STEE |
|
8128 | New person/name/address of the agent |
Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., 8000 MUENCHEN |
|
8128 | New person/name/address of the agent |
Representative=s name: GLAESER, J., DIPL.-ING., PAT.-ANW., 2000 HAMBURG |
|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |