Thtrough analysis the damage causes of coke oven end-flue wall, scientific and rational measurements are adopted to decrease the frequency of wall damaging and its repairing effectively.

In the light of the actual situation of the oven shell,this paper makes some effective attempts for increasing the burner coefficient by using the comprehensive measures.

Reducing the regenerator' s heat resistance to increase the end flue temperature of No. 3 coke oven;

In the long-term operation of atmospheric and vacuum heat furnace that use vacuum heavy oil as fuel,thesurface of nailhead furnace tube in the convection chamber was seriously deposited.