Original mounting is gone back in advance to oxide mineral based on change end heating furnace

The utility model provides an original mounting is gone back in advance to oxide mineral based on change end heating furnace, the oxide mineral in advance still original mounting arrange in change endheating furnace on, rather than the intercommunication and can follow its rotation, the oxide mineral is gone back original mounting in advance and is included the feed mechanism and the prereductionstove of intercommunication from top to bottom, and in wherein the lower extreme of prereduction stove formed open discharge gate and places commentaries on classics end heating furnace in, the upperend of this prereduction stove had been offered and has been remained the coal gas outlet. Through the utility model discloses can carry out mineral prereduction in going back original mounting in advance with high temperature pyrolysis gas introduction in changeing end heating furnace, improve the utilization ratio of changeing the interior pyrolysis gas of end heating furnace, utilize the utility model discloses earlier