Device for pre-planting oxygen lance at iron notch of blast furnace

• Main Authors: BI YUCHAO, LIU JUN, GUO LITAO, SUN QIDE, HAN CHUANBAO, CUI XING, SUN ZHEFENG
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: CHEMISTRY; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON

The utility model belongs to the technical field of blast furnace iron notch oxygen lances, and particularly relates to a blast furnace iron notch oxygen lance pre-planting device which comprises a drill rod, a first flange, a sleeve and an oxygen lance, the oxygen lance comprises a lance head and a lance tail, the lance head is right opposite to the iron notch center position, the lance tail is provided with a second flange and a second reinforcing rib, the second flange is arranged on the lance tail in a sleeved mode, and the sleeve is connected with the drill rod. The second reinforcing rib is fixed to the outer wall of the gun tail and fixedly connected with the second flange, one end of the drill rod is used for being connected with a feeding mechanism of the tapping machine, the other end of the drill rod is connected with one end of the sleeve through the first flange, and the other end of the sleeve is connected with the gun tail. When an iron notch oxygen lance is embedded, the feeding mechanism of t