Practice of Stopping Furnace and Rapid Recovery of 1#5 100 m3 Blast Furnace of Shandong Steel
In order to eliminate the major hidden danger of cooling wall damage,the 1# 5 100 m3 blast furnace adopted the method of combining full gas recovery and water supply control of the top temperature of the furnace to carry out the shutdown and medium repair of safe and environmental protection empty material line.Through the development of a series of preliminary preparation measures such as strict opening technical scheme and detailed calculation of the furnace charge structure composition and charge load,and the iron buried oxygen gun,the blast furnace opened,opened the iron outlet for 15.5 hours,started oxygen enrichment in 32 hours,and the air volume returned to the level before the shutdown in 57 hours.The coke load was increased to 4.6,which realized the rapid recovery of the furnace condition,and the economic and technical indicators of each blast furnace were good.
万方数据
