Channel type induction furnace

A channel type induction furnace, comprising:

• a shell lined with refractory material, the shell including a floor having a wall extending from the floor to form a hearth;
• and
• at least one induction heater associated with the channel type induction furnace and communicating with the hearth by a throat in the floor, the throat including throat passages having a down-passage serving as an inlet to the at least one induction heater and at least one up-passage serving as an outlet from the at least one induction heater, the throat passages complementary shaped and configured to channels in the channel type induction heater and each of the throat passages in fluid communication with a complimentary shaped and sized channel;
• wherein the furnace floor is inclined downwards from an operative rear of the hearth towards an opposing operative front of the hearth;
• wherein the wall at the front of the hearth includes a bottom section and a top section to form a front wall, with the front wall bottom section extending further into the hearth than the front wall top section, and the front wall bottom section terminating in an upper edge in abutment with the front wall top section;
• wherein the down-passage includes an inlet in the floor at a location proximate the base of the front wall;
• wherein at least one of the up-passages having an outlet in the floor at a location in abutment with the base of the front wall bottom section and with the front wall bottom section being provided with a vertical slot extending upwards above the at least one of the up-passages through it and opening onto the upper edge of the bottom section;
• and
• wherein the induction heater is located proximate the front wall.