By analyzing the reachs that influnced the blasting effect in Gongyiming iron mine, a newtechnique was put forward to improve the blasting effect. In prance, it obtained the hoped effect.

• 本文通过对影响包钢公益明铁矿生产爆破质量的因素进行分析，提出爆破工艺改进方案。通过工业试验，得出适于该矿的生产工艺，取得较好经济效益。