Converter and control method for bottom blowing of converter

The invention discloses a converter and a converter bottom blowing control method. The converter comprises a first bottom blowing mechanism and a second bottom blowing mechanism. The second bottom blowing mechanism comprises N bottom blowing elements and is arranged on the circumference of the ellip...

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Bibliographische Detailangaben
Hauptverfasser:	WANG HAIBAO, CHU RENSHENG, ZHU ZHIYUAN, LYU NAIBING, LI HAIBO, WEI SHANGHAO, LI ZHANJUN, LIU YANG, WANG XING, LYU YANCHUN, CHAI YUGUO, HU XIANTANG, WANG WEIHUA, SHI SHUDONG, XIE CUIHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	The invention discloses a converter and a converter bottom blowing control method. The converter comprises a first bottom blowing mechanism and a second bottom blowing mechanism. The second bottom blowing mechanism comprises N bottom blowing elements and is arranged on the circumference of the ellipse; the ellipse is located at the bottom of the converter and comprises a short axis and a long axis, the short axis direction is the trunnion direction of the converter, and the long axis direction is perpendicular to the trunnion direction; the length of the long axis is equal to the diameter of the converter bottom in the long axis direction or the diameter of the converter bottom in the short axis direction, and the length of the short axis is 60%-63% of the length of the long axis; n > = 4 and is an even number; the first bottom blowing mechanism comprises N bottom blowing elements and is arranged on the circumference of the inscribed circle of the ellipse, and the center of the inscribed circle is located at