JPS6363602B2 - - Google Patents
Info
- Publication number
- JPS6363602B2 JPS6363602B2 JP12620081A JP12620081A JPS6363602B2 JP S6363602 B2 JPS6363602 B2 JP S6363602B2 JP 12620081 A JP12620081 A JP 12620081A JP 12620081 A JP12620081 A JP 12620081A JP S6363602 B2 JPS6363602 B2 JP S6363602B2
- Authority
- JP
- Japan
- Prior art keywords
- dephosphorization
- weight
- amount
- hot metal
- sintering
- 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
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 22
- 238000005245 sintering Methods 0.000 claims description 20
- 235000012255 calcium oxide Nutrition 0.000 claims description 19
- 239000000292 calcium oxide Substances 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 239000011572 manganese Substances 0.000 claims description 15
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052748 manganese Inorganic materials 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 150000004679 hydroxides Chemical class 0.000 claims description 7
- -1 alkaline earth metal carbonate Chemical class 0.000 claims description 6
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
- 239000010436 fluorite Substances 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 3
- 229910021540 colemanite Inorganic materials 0.000 claims description 3
- 229910001610 cryolite Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 25
- 239000007789 gas Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005261 decarburization Methods 0.000 description 9
- 229910019440 Mg(OH) Inorganic materials 0.000 description 8
- 239000012159 carrier gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 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
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring 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
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 |
|---|---|---|---|
| JP12620081A JPS5827915A (ja) | 1981-08-12 | 1981-08-12 | 溶銑の吹込脱燐用組成物 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620081A JPS5827915A (ja) | 1981-08-12 | 1981-08-12 | 溶銑の吹込脱燐用組成物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5827915A JPS5827915A (ja) | 1983-02-18 |
| JPS6363602B2 true JPS6363602B2 (en]) | 1988-12-08 |
Family
ID=14929178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12620081A Granted JPS5827915A (ja) | 1981-08-12 | 1981-08-12 | 溶銑の吹込脱燐用組成物 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827915A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02120605U (en]) * | 1989-03-10 | 1990-09-28 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002371311A (ja) * | 2001-04-13 | 2002-12-26 | Osaka Koukai Kk | 溶湯の脱燐法とそれに用いられる低温滓化性脱燐剤およびその製造法 |
-
1981
- 1981-08-12 JP JP12620081A patent/JPS5827915A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02120605U (en]) * | 1989-03-10 | 1990-09-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5827915A (ja) | 1983-02-18 |
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