Vertical shaft furnace, and ferro coke production facility having a 該竪 type shaft furnace, a method for manufacturing ferro coke using the Ferro coke production facility

To provide a vertical shaft furnace that allows a simplified facility and uncomplicated operational conditions, a vertical shaft furnace 1 according to the invention is a vertical shaft furnace that subjects a burden material fed from a furnace top to combustion, gasification, carbonization, or reduction, thereby to continuously produce a target product, and the vertical shaft furnace 1 is characterized in that high-temperature gas injection tuyeres 11 and 13 are provided in two stages along furnace length to form a high-temperature soaking zone with a predetermined length below an intermediate position of the furnace alone furnace length.