Method to load scrap for electric arc furnace and relative system
摘要:
Method to load scrap for electric arc furnace including at least a roof (13) associated with movable moving means (17) cooperating with second movable moving means (24), the roof (13) including at least a hole (15) to discharge the fumes (16), the scrap (22) being contained in baskets (21), there being included at least a system to process the fumes (32) connected with the chimney, the full basket (21) including at least a first position (21a) to pre-heat the scrap arranged at the side of and in proximity to the furnace (10) and a second position (21b) to unload the scrap arranged in cooperation with the mouth of the furnace (10), the movable moving means (24) of the basket (21) and the movable moving means (17) of the roof (13) being functionally associated at least momentarily, the basket (21) containing the scrap being installed in a removable manner on the second movable moving means (24) and being associated at least temporally with a covering system (29), which can be translated from a closed position to an open position, the fumes (16) leaving the fourth hole (15) of the furnace (10) being sent inside the basket (21) containing the scrap (22) through a discharge duct which connects an inlet aperture (27) included on the covering system (29) with the fourth hole of the furnace (13), the fumes (16) being made to leave the basket (21) through an outlet aperture cooperating with the bottom of the furnace (13), the fumes (16) being made to leave the basket (21) through an outlet aperture cooperating with the bottom of the basket (21) and directly connected with a combustion chamber (28), the roof (13) passing from its first closed position (13a) to its second open position (13b) in coordination with the passage of the basket (21) from its first pre-heating position (21a) to its second unloading position (21b).
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