Patent ID: 6163561
Filing Date: 2000-12-19
Classification: C21C,F27D,Y02P

Abstract:
Cooled basket for steel plants used in operations of loading and unloading scrap within an arc furnace and for the pre-heating of scrap by means of the fumes coming from a fourth hole of the furnace, the basket including a containing body substantially cylindrical in shape, said containing body comprising a sidewall, a cooled bottom equipped with toothed lower closing means which are temporally opened and lateral extensions to move and position the basket, the basket being characterized in that the containing body comprises a first upper part, a second cooled lower part and an openable cooled bottom, the second cooled lower part including an inner wall and an outer wall, said outer wall comprising adjacent first pipes through which cooling fluid flows, said second cooled lower part defining an internal volume substantially mating with the volume of a quantity of scrap to be unloaded into said arc furnace for each unloading operation, the first upper part including a wall comprising adjacent second pipes through which cooling fluid flows, said first upper part acting as a buffer store to temporally increase the capacity of the basket, and said adjacent first pipes being differentiated and autonomous with respect to said adjacent second pipes.