Bogie hearth furnace is standard energy-saving industrial heat treatment furnace for heavy, large workpiece/aircrafts, control system adopts PID or PLC, the furnaces are mainly used for annealing heat treatment of large container,vessel, and quenching, annealing, aging heat treatment for high speed railway tracks, or accessories, high chromium and high manganese steel castings, gray iron castings, ductile iron castings, rollers, steel balls, crusher hammers, wearing plate and other mechanical parts.