JPS602616A - 高クロム鋼溶製転炉の耐火物保護方法 - Google Patents
高クロム鋼溶製転炉の耐火物保護方法Info
- Publication number
- JPS602616A JPS602616A JP10849983A JP10849983A JPS602616A JP S602616 A JPS602616 A JP S602616A JP 10849983 A JP10849983 A JP 10849983A JP 10849983 A JP10849983 A JP 10849983A JP S602616 A JPS602616 A JP S602616A
- Authority
- JP
- Japan
- Prior art keywords
- converter
- blowing
- chromium
- slag
- refractories
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 238000007670 refining Methods 0.000 title abstract description 10
- 239000011651 chromium Substances 0.000 claims abstract description 39
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000007664 blowing Methods 0.000 claims abstract description 35
- 239000002893 slag Substances 0.000 claims abstract description 25
- 239000011819 refractory material Substances 0.000 claims abstract description 17
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 15
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/44—Refractory linings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10849983A JPS602616A (ja) | 1983-06-16 | 1983-06-16 | 高クロム鋼溶製転炉の耐火物保護方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10849983A JPS602616A (ja) | 1983-06-16 | 1983-06-16 | 高クロム鋼溶製転炉の耐火物保護方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS602616A true JPS602616A (ja) | 1985-01-08 |
| JPH022922B2 JPH022922B2 (enExample) | 1990-01-19 |
Family
ID=14486323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10849983A Granted JPS602616A (ja) | 1983-06-16 | 1983-06-16 | 高クロム鋼溶製転炉の耐火物保護方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS602616A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213408A (ja) * | 1989-02-15 | 1990-08-24 | Nisshin Steel Co Ltd | ステンレス鋼の転炉スラグ流出防止方法 |
| JP2009001892A (ja) * | 2007-06-25 | 2009-01-08 | Nisshin Steel Co Ltd | 転炉耐火物補修材および転炉耐火物補修方法 |
-
1983
- 1983-06-16 JP JP10849983A patent/JPS602616A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02213408A (ja) * | 1989-02-15 | 1990-08-24 | Nisshin Steel Co Ltd | ステンレス鋼の転炉スラグ流出防止方法 |
| JP2009001892A (ja) * | 2007-06-25 | 2009-01-08 | Nisshin Steel Co Ltd | 転炉耐火物補修材および転炉耐火物補修方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH022922B2 (enExample) | 1990-01-19 |
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