This article analyzes the causes of frequent damage to the tuyere and short service life of tuyere sleeves in Dagang's 1 780 m3 blast furnace.Measures have been taken to improve the manufacturing of tuyere sleeves,improve the structure of coal guns,establish a management system for inserting and grabbing,and ensure the activity of the furnace hearth and stable operation of the furnace.The number of tuyere damages has been reduced by 100％,effectively extending the service life of tuyere sleeves and providing strong guarantees for stable and low consumption production of blast furnaces.
关键词
风口损坏/煤枪结构/炉缸活跃
Key words
damaged air outlet/coal gun structure/furnace hearth active
万方数据