But some problems are occurred, such as low bath temperature, difficulty in lime melting, slag overflow at vessel mouth, increase of metal consumption, difficulty in dephosphorization and low hitting rate at the final.

• 在生产中出现熔池温度低、废钢和石灰不易熔化、炉口溢渣、金属消耗增加、脱磷困难、终点命中率低等问题。