JPS6455316A - Converter blowing method - Google Patents
Converter blowing methodInfo
- Publication number
- JPS6455316A JPS6455316A JP21075287A JP21075287A JPS6455316A JP S6455316 A JPS6455316 A JP S6455316A JP 21075287 A JP21075287 A JP 21075287A JP 21075287 A JP21075287 A JP 21075287A JP S6455316 A JPS6455316 A JP S6455316A
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- concn
- exhaust gas
- measured
- sampling
- 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.)
- Pending
Links
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
PURPOSE:To enable high accurate control of C concn. in molten steel at end point of blowing by continuously catching the C concn. in the molten steel from the C concn. measured value in the molten steel by sapling during refining and after that, from the continuous measured value of C concn. in the exhaust gas of a converter. CONSTITUTION:While stirring the molten iron 2 in the converter 1 by N2 gas blowing through a plug 4, O2 gas is blown into the molten iron 2 from a lance 3 and refined to produce the molten steel. Since the refining starts, after passing the prescribed time, sampling of the molten steel is executed with a sub-lance and C concn. in the molten steel is measured, to calculate the C content (C0) in the molten steel. Further, after this sampling, CO and CO2 concn. in the exhaust gas are measured with an analyzer 6 and the integrating quantity of C in the exhaust gas is continuously found from these concns. and flowing quantity of the exhaust gas measured with a flow meter 7. By this method, C content in the molten steel at some timing after sampling can be found by subtracting the C integrating quantity in the exhaust gas at this timing from the C content C0 in the molten steel and the purpose can be obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21075287A JPS6455316A (en) | 1987-08-25 | 1987-08-25 | Converter blowing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21075287A JPS6455316A (en) | 1987-08-25 | 1987-08-25 | Converter blowing method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6455316A true JPS6455316A (en) | 1989-03-02 |
Family
ID=16594537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21075287A Pending JPS6455316A (en) | 1987-08-25 | 1987-08-25 | Converter blowing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6455316A (en) |
-
1987
- 1987-08-25 JP JP21075287A patent/JPS6455316A/en active Pending
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