Pot -type furnace

The utility model relates to a pot -type furnace especially relates to the pot -type furnace that the plain graphitization material of positive pole for the aluminium, negative pole, electrode and charcoal was produced to the plain trade of charcoal. Including cooling channel and pot -type furnace bottom flame path, by following structure composing: cooling channel is the multilayer, and the cooling channel's of the bottom import is equipped with imported arm -tie, and upper and lower adjacent cooling channel communicates with each other from beginning to end, does not have preheated air to erect in the front on wall and the back wall and says. The utility model discloses the passageway can improve pot -type furnace and to volatile matter content's adaptability, both strengthen original cooling effect, has still simplified the preheated air passageway, has retrieved preheated air's heat simultaneously, improves the furnace thermal efficiency.