JPS625969B2 - - Google Patents
Info
- Publication number
- JPS625969B2 JPS625969B2 JP8129483A JP8129483A JPS625969B2 JP S625969 B2 JPS625969 B2 JP S625969B2 JP 8129483 A JP8129483 A JP 8129483A JP 8129483 A JP8129483 A JP 8129483A JP S625969 B2 JPS625969 B2 JP S625969B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- slopping
- blowing
- gas
- tuyere
- 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
- 239000000843 powder Substances 0.000 claims description 48
- 238000007664 blowing Methods 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 235000019738 Limestone Nutrition 0.000 claims description 9
- 239000012159 carrier gas Substances 0.000 claims description 9
- 239000006028 limestone Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- 238000011017 operating method Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 27
- 239000002893 slag Substances 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000003112 inhibitor Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
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 |
|---|---|---|---|
| JP8129483A JPS59205410A (ja) | 1983-05-10 | 1983-05-10 | 転炉操業方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8129483A JPS59205410A (ja) | 1983-05-10 | 1983-05-10 | 転炉操業方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59205410A JPS59205410A (ja) | 1984-11-21 |
| JPS625969B2 true JPS625969B2 (zh) | 1987-02-07 |
Family
ID=13742359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8129483A Granted JPS59205410A (ja) | 1983-05-10 | 1983-05-10 | 転炉操業方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59205410A (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100340501B1 (ko) * | 1997-10-09 | 2002-10-25 | 주식회사 포스코 | 무연탄취입에의한전로슬로핑방지방법 |
| CN100343397C (zh) * | 2003-09-17 | 2007-10-17 | 首钢总公司 | 小方坯连铸低碳低硅含铝钢的生产方法 |
| CN101338349A (zh) * | 2007-07-03 | 2009-01-07 | 东北大学 | 顶底侧吹转炉炼钢法 |
| CN111500815B (zh) * | 2020-05-28 | 2021-06-11 | 北京科技大学 | 一种底吹O2-CO2-CaO转炉炼钢过程动态控制方法 |
-
1983
- 1983-05-10 JP JP8129483A patent/JPS59205410A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59205410A (ja) | 1984-11-21 |
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