A.進(jìn)氣量和氣體的種類B.熔池溫度C.熔渣堿度D.熔渣的其他成分
A.高溫鋼水的物理熔損B.低溫氣體介質(zhì)從透氣管縫中逸出形成氣泡時(shí)的剪切損毀C.劇烈攪拌鋼液的沖刷損毀D.低溫底吹介質(zhì)從透氣元件中逸出是熱震損毀
A.轉(zhuǎn)爐終點(diǎn)溫度過高對(duì)爐襯的高溫熔損B.轉(zhuǎn)爐爐渣氧化性過強(qiáng)對(duì)爐襯的化學(xué)侵蝕C.高溫氣流沖刷侵蝕D.冶煉爐次間間歇時(shí)間過長(zhǎng),對(duì)爐襯的熱沖擊損毀