Long-life oxygen lance nozzle for converter smelting

• Main Authors: TANG HONGLE, HONG JIANGUO
• Format: Patent
• Language: Chinese; English
• Published: 04.10.2022
• Subjects: CHEMISTRY; METALLURGY; METALLURGY OF IRON; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS

The invention relates to a long-life oxygen lance nozzle for converter smelting, the oxygen lance nozzle comprises a nozzle body made of a red copper material, and the nozzle body is cladded with a titanium-based alloy in an electric arc cladding manner; the thickness of the cladding titanium-based alloy ranges from 1 mm to 3 mm. According to the technical scheme, the spray hole is designed in the center of the nozzle, and the problem of steel adhesion is solved; and meanwhile, titanium-based alloy with a certain thickness is sprayed on the spray head, so that molten steel corrosion resistance is provided, and the service life of the spray head is prolonged. 本发明涉及一种转炉冶炼用的长寿命氧枪喷头，所述氧枪喷头包括紫铜材质制成的喷头本体，其中喷头本体采用电弧熔覆的方式熔覆钛基合金；所述熔覆钛基合金的厚度在1-3mm。该技术方案在喷头中心部位设计一个喷孔，解决此处粘钢的问题；同时在喷头上喷一定厚度的钛基合金，提供其耐钢水的侵蚀性，进而提高其使用寿命。