| 摘要 |
Loading system for electric arc furnaces (11) including at least a roof (11a) including at least a "fourth hole" which can be connected to a conduit to discharge the fumes (22) associated at the end with an air- tight cover (23) to temporally close at least one loading element (16) containing scrap, the bottom part of the loading element (16) able to be at least partly opened, the system comprising a pick up and moving device (15) equipped with at least a rotary manipulator arm (17), the loading element (16), arranged in the pre-heating station (20b), directly cooperating with means to convey the fumes from the furnace (11) and with air-tight temporary closing means (23), the loading element (16) being configured as a container or basket (12, 112, 212) arranged in a removable manner suspended on gripper elements (17a, 17b) of the manipulator arm (17), the container or basket (12, 112, 212) in the pre- heating station (20b) being arranged above and in direct cooperation with a combustion chamber (21) wherein the pre-heating fumes pass and are partly burnt after having passed through the container or basket (12) through the scrap from the top downwards, the air-tight cover (23) of the container or basket (12) being able to be removed vertically and rotatably and being temporally directly connected with the fume-discharge conduit (22) from the fourth hole of the furnace (11) by conduit means at least partly coaxial with the axis of rotation. |
