本文简述了电弧炉炉盖大炉顶区(电极分布园以外部分)采用水冷嵌板的优点。经40吨电弧炉的实际运行表明:电弧炉炉盖大炉顶区采用水冷嵌板可消除大炉顶区耐火砖的膨胀、 This article outlines the advantages of using water-cooled panels for large furnace tops (outside the electrode distribution park) of EAF covers. The actual operation of the 40-ton electric arc furnace shows that the large top area of ​​the arc furnace lid adopts a water-cooled panel to eliminate the expansion of refractory bricks in the top area of ​​the furnace,