4 350 m3 BF realized full blast in 2 days and pulverized coal injecting in 3 days through means of full prepare,making blow-in plan,perfecting blow-in and production operation system,operating with opening all tuyeres.
通过充分准备,制定合理的开炉方案,完善开炉生产操作制度,采取全开风口送风,实现了2 d全风,3 d喷煤,7 d喷煤比达到了150 kg/t、利用系数4。