| 摘要 |
<p>A cooling system for electrodes (11) in electric arc ovens of direct current, the electrodes (11) comprising a part (11a) submerged to the hot open air of the oven, making this part of graphite in the case of a cathode, and of copper in the case of an anode, the part (11a) being associated with a metallic part (11b) by means of a joint (13) which includes within the same a hollow (14), comprising at least in correspondence with the metallic part (11b), a cooling circuit (20) with at least a delivery canal (15), a return canal (16) and a heat exchanger (18), using the liquid metal circuit (20) as a cooling liquid also including an element for the forced circulation of the cooling fluid, which consists in a hydromagnetic pump (17).</p> |
