APPARATUS FOR DRYING FINE ORES AND METHOD FOR DRYING FINE ORES

摘要

One device and a kind of method are effectively provided to dry fine ore and increase energy efficiency for drying fine ore. One device (100) is used to receive flue gas exhaust from reduction furnace to dry fine ore, loads dry fine ore and enter reduction furnace including at least a reduction furnace (201) for drying fine ore for reducing fine ore and a fine ore drying unit (10). Device further comprises a deduster (90), is used to remove and is contained in the dust of flue gas and dries fine ore by dry gas after separating dry gas from the flue gas exhaust from deduster. Fine ore drying unit includes a fine ore dryer (80), is used to receive fine ore and flue gas to dry fine ore, fine ore storage bin (82) and a fine ore charging machine (84). Fine ore storage bin has a fine ore cassette for supplying (821), and a horizontal conveyor belt (823) is installed on it, and a vertical conveyor band (841) is installed in lower section. Fine ore charging machine includes two fine ore charge tanks (843,845) and first valve (844).