JPS6125764B2 - - Google Patents
Info
- Publication number
- JPS6125764B2 JPS6125764B2 JP13304078A JP13304078A JPS6125764B2 JP S6125764 B2 JPS6125764 B2 JP S6125764B2 JP 13304078 A JP13304078 A JP 13304078A JP 13304078 A JP13304078 A JP 13304078A JP S6125764 B2 JPS6125764 B2 JP S6125764B2
- Authority
- JP
- Japan
- Prior art keywords
- hot metal
- desulfurization
- calcium carbide
- weight
- parts
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 130
- 239000002184 metal Substances 0.000 claims description 130
- 238000006477 desulfuration reaction Methods 0.000 claims description 66
- 230000023556 desulfurization Effects 0.000 claims description 66
- 239000005997 Calcium carbide Substances 0.000 claims description 51
- 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 claims description 51
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 35
- 239000003795 chemical substances by application Substances 0.000 claims description 32
- 239000012159 carrier gas Substances 0.000 claims description 28
- 239000000292 calcium oxide Substances 0.000 claims description 23
- 235000012255 calcium oxide Nutrition 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 17
- 230000003009 desulfurizing effect Effects 0.000 claims description 17
- 239000010459 dolomite Substances 0.000 claims description 17
- 229910000514 dolomite Inorganic materials 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 10
- MYFXBBAEXORJNB-UHFFFAOYSA-N calcium cyanamide Chemical compound [Ca+2].[N-]=C=[N-] MYFXBBAEXORJNB-UHFFFAOYSA-N 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000002893 slag Substances 0.000 description 18
- 239000000843 powder Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- -1 etc. Substances 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 9
- 239000011593 sulfur Substances 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002006 petroleum coke Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas 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 |
|---|---|---|---|
| JP13304078A JPS5562110A (en) | 1978-10-28 | 1978-10-28 | Desulfurizing method for molten pig iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13304078A JPS5562110A (en) | 1978-10-28 | 1978-10-28 | Desulfurizing method for molten pig iron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5562110A JPS5562110A (en) | 1980-05-10 |
| JPS6125764B2 true JPS6125764B2 (enrdf_load_stackoverflow) | 1986-06-17 |
Family
ID=15095398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13304078A Granted JPS5562110A (en) | 1978-10-28 | 1978-10-28 | Desulfurizing method for molten pig iron |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5562110A (enrdf_load_stackoverflow) |
-
1978
- 1978-10-28 JP JP13304078A patent/JPS5562110A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5562110A (en) | 1980-05-10 |
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