FR2473061A1 - Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie - Google Patents
Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie Download PDFInfo
- Publication number
- FR2473061A1 FR2473061A1 FR8000242A FR8000242A FR2473061A1 FR 2473061 A1 FR2473061 A1 FR 2473061A1 FR 8000242 A FR8000242 A FR 8000242A FR 8000242 A FR8000242 A FR 8000242A FR 2473061 A1 FR2473061 A1 FR 2473061A1
- Authority
- FR
- France
- Prior art keywords
- weight
- slag
- calcium carbide
- dust
- carbon
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000000428 dust Substances 0.000 title claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 8
- 239000010439 graphite Substances 0.000 title claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 5
- -1 polyethylene Polymers 0.000 title claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 5
- 239000005997 Calcium carbide Substances 0.000 title claims description 23
- 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 title claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000003795 chemical substances by application Substances 0.000 title abstract description 12
- 229910052742 iron Inorganic materials 0.000 title abstract description 9
- 230000001629 suppression Effects 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000001603 reducing effect Effects 0.000 claims abstract description 8
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 4
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 44
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 230000003009 desulfurizing effect Effects 0.000 claims description 14
- 229910001018 Cast iron Inorganic materials 0.000 claims description 13
- 239000010436 fluorite Substances 0.000 claims description 13
- BWKDLDWUVLGWFC-UHFFFAOYSA-N calcium;azanide Chemical compound [NH2-].[NH2-].[Ca+2] BWKDLDWUVLGWFC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 6
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 6
- 239000004571 lime Substances 0.000 abstract description 6
- 229910014813 CaC2 Inorganic materials 0.000 abstract description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 3
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract 3
- 239000005864 Sulphur Substances 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 description 17
- 230000023556 desulfurization Effects 0.000 description 17
- 238000011282 treatment Methods 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical class OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 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
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8000242A FR2473061A1 (fr) | 1980-01-07 | 1980-01-07 | Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8000242A FR2473061A1 (fr) | 1980-01-07 | 1980-01-07 | Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2473061A1 true FR2473061A1 (fr) | 1981-07-10 |
| FR2473061B1 FR2473061B1 (enrdf_load_stackoverflow) | 1985-01-04 |
Family
ID=9237284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8000242A Granted FR2473061A1 (fr) | 1980-01-07 | 1980-01-07 | Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2473061A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0164592A1 (de) * | 1984-05-16 | 1985-12-18 | SKW Trostberg Aktiengesellschaft | Feinkörniges Entschwefelungsmittel für Eisenschmelzen und Verfahren zur Entschwefelung von Roheisenschmelzen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2037758A1 (en) * | 1970-07-30 | 1972-02-03 | Knapsack Ag | Calcium carbide for desulphurisation - of molten metals improved by treatment with quick lime and fluorspar |
| DE2355736A1 (de) * | 1972-11-09 | 1974-05-22 | Nippon Steel Corp | Verfahren zum entschwefeln von roheisen |
| DE2642838A1 (de) * | 1975-09-26 | 1977-03-31 | Centro Speriment Metallurg | Verfahren zum desoxydieren und entschwefeln von stahl |
| JPS53120620A (en) * | 1977-03-31 | 1978-10-21 | Nippon Carbide Ind Co Ltd | Hot iron desulfurization composition |
| JPS53122611A (en) * | 1977-03-31 | 1978-10-26 | Denki Kagaku Kogyo Kk | Desulfurizing agent for molten metal |
| US4159906A (en) * | 1972-10-27 | 1979-07-03 | Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft | Method and composition for the desulfurization of molten metals |
-
1980
- 1980-01-07 FR FR8000242A patent/FR2473061A1/fr active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2037758A1 (en) * | 1970-07-30 | 1972-02-03 | Knapsack Ag | Calcium carbide for desulphurisation - of molten metals improved by treatment with quick lime and fluorspar |
| US4159906A (en) * | 1972-10-27 | 1979-07-03 | Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft | Method and composition for the desulfurization of molten metals |
| DE2355736A1 (de) * | 1972-11-09 | 1974-05-22 | Nippon Steel Corp | Verfahren zum entschwefeln von roheisen |
| DE2642838A1 (de) * | 1975-09-26 | 1977-03-31 | Centro Speriment Metallurg | Verfahren zum desoxydieren und entschwefeln von stahl |
| JPS53120620A (en) * | 1977-03-31 | 1978-10-21 | Nippon Carbide Ind Co Ltd | Hot iron desulfurization composition |
| JPS53122611A (en) * | 1977-03-31 | 1978-10-26 | Denki Kagaku Kogyo Kk | Desulfurizing agent for molten metal |
Non-Patent Citations (1)
| Title |
|---|
| ABJP/78 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0164592A1 (de) * | 1984-05-16 | 1985-12-18 | SKW Trostberg Aktiengesellschaft | Feinkörniges Entschwefelungsmittel für Eisenschmelzen und Verfahren zur Entschwefelung von Roheisenschmelzen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2473061B1 (enrdf_load_stackoverflow) | 1985-01-04 |
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