VERTICAL FURNACE FOR ROASTING CERAMIC PRODUCTS Russian patent published in 1994 - IPC

FIELD: roasting of ceramic products. SUBSTANCE: furnace has roasting channel walls provided with horizontal through burner tunnels disposed adjacent roasting zones. Tunnels are adapted for receiving gaseous or liquid fuel supplied through nozzles of fuel distributing devices for combustion within tunnels, with nozzles being disposed in alignment with tunnels. Burners are disposed in spaces between walls of adjacent roasting channels. Spaces are connected with heated air discharge channels for discharging heated air from ceramic product cooling zone and with channels for discharge of heated air from furnace. EFFECT: high quality of ceramic product. 1 dwg