High strength long -life stopper stick

• Main Authors: LI ZHIFENG, SUN LINLUAN, TAO NAIBIAO
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2018
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The utility model relates to a high strength long -life stopper stick, including the excellent body of stopper, fill in excellent body bottom and be equipped with middle package, just it stretches into in the middle package to fill in the lower part of excellent body, middle package bottom is equipped with immersion nozzle, immersion nozzle's upper portion sets up in the bottom surface shell of centre package, middle package below is equipped with the crystallizer, immersion nozzle's lower part is stretched into in the crystallizer, fill in excellent body top and pass through the excellent mechanism of screw thread fixedly connected with stopper, be equipped with the molten steel in the middle package, molten steel and the excellent body juncture of stopper shape slag formation line district, it opens and to have central cavity to fill in excellent body intermediate position axial, the upper portion position of center cavity is equipped with the fixed connection internal thread, cavityintermediate position pe