Water cooled furnace mouth

The utility model discloses a water cooled furnace mouth which is arranged on the furnace body of the steel-making revolving furnace and is used for cooling the revolving furnace, comprising a panel, a side plate, an inner baffle plate, an outer baffle plate, a bottom plate, an inner ring, and a gas collecting cap raised on the panel; one side of the water cooled furnace mouth is provided with two vertically placed outer baffle plates which split the inner side of the water cooled furnace mouth into a water inlet cavity and a water outlet cavity; a small hollow cavity formed between the two outer baffle plates is the water outlet cavity, in which a water outlet pipe is provided; a water inlet pipe is arranged in the water inlet cavity; a plurality of inner baffle plates arranged in the water inlet cavity are the open circular ring bodies; a plurality of circular water circuits are formed in the water inlet cavity. The water cooled furnace mouth has good cooling effect, reasonable and firm structure, long service life; compared with the existing water cooled furnace mouth, only one water cooled furnace mouth is needed to be changed each year; only in the aspect of maintaining the equipment, each furnace can save cost for 200 thousand yuan each year.