The design features of the cooling system for the No.1 blast furnace(BF)in Chaoyang Steel Company of Ansteel was introduced,and the experience of long service life of the BF cooling staves was summarized.Based on the excellent design of the cooling system,by adopting reasonable management of the water system,strengthening the quality management of raw materials and fuels,controlling reasonable and stable operations of furnace types and strengthening the management of equipment,the violent fluctuation of heat load from the BF cooling staves was reduced.Therefore the BF was in stable and smooth operation for a long time,and the BF cooling staves were operating for 11 years without any damages.
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