Can improve blast furnace furnace roof heat sink of cooling effect and stability

The utility model provides a can improve blast furnace furnace roof heat sink of cooling effect and stability, belongs to blast furnace furnace roof cooling device technical field for to blast furnace furnace roof cooling carrying on accurate control. Its technical scheme is: the utility model discloses install the overflow pipe in force (forcing) pump and water supply main pipe's junction, install overflow control flap on the overflow pipe, through the overflow control flap on the reasonable adjustment overflow pipe, can adjust the water yield that the furnace roof was fetched water effectively, the furnace roof fetch water when not using also can through the overflow pipe in water supply main pipe, feedwater ring canal and spray gun remaining log raft clean to accuracy nature and reliable and stable nature from the master control that the furnace roof was fetched water have been improved. The utility model discloses a stove labour is fetched water the jury pump later stage and is replaced the furnace roof force (forcing) pump to save the investment and the maintenance cost of equipment, and the cost is reduced has good economic benefits. The utility model discloses simple structure, convenient to use have effectively improved furnace roof cooling device's cooling effect and stability.