专利号:ZL01251907.3专利权人:武汉钢铁(集团)公司本实用新型涉及一种长寿命脱硫喷枪,属转炉炼钢前铁水预处理炉外喷吹脱硫领域。本实用新型在常用的脱硫喷枪金属枪芯结构中增设了螺旋环、双V型过渡铆固件、V型加强铆固件,在帮管内填充导热耐火粉料,并在枪芯金属表面涂刷有涂层 Patent No .: ZL01251907.3 Patentee: Wuhan Iron and Steel (Group) Company The utility model relates to a long-life desulfurization lance, belonging to the field of blast furnace pre-treatment for hot metal pre-treatment of converter steelmaking. The utility model adds a spiral ring, a double V-type transitional riveting fastener and a V-type reinforcing riveting fastener in a common desulfurization torch metal gun core structure, and is filled with heat-conducting refractory powder in the helical tube and is painted on the metal surface of the gun core Floor