A melting and holding furnace for aluminum blocks

Details A melting and holding furnace for aluminum blocks A melting and holding furnace for aluminum blocks

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 14/08 (2006.01) C22B 9/16 (2006.01) C22B 21/00 (2006.01) F27B 3/04 (2006.01) F27B 3/18 (2006.01) F27D 13/00 (2006.01) F27B 14/10 (2006.01) F27B 14/14 (2006.01) F27D 1/00 (2006.01)

Patent

CA 2346887

A furnace for melting and holding aluminum materials, the furnace being characterized in that the furnace comprises: a pre-heating tower for pre-heating aluminum blocks, a melting crucible furnace which receives a supply of aluminum blocks from the pre-heating tower at a position immediately under the pre-heating tower, and a holding crucible furnace which receives a continuous supply of molten aluminum from the melting crucible furnace at a position side-by-side with the melting crucible furnace, and that an exhaust gas resulting from combustion in the melting crucible furnace can be supplied to the inside of the pre-heating tower as an ascending current for heat exchange with aluminum blocks, the furnace being capable of continuous melting and energy savings.

Four de fusion et de rétention de lingots d'aluminium comprenant une tour de préréchauffement du lingot d'aluminium, un four à creuset de fusion servant à recevoir les lingots d'aluminium en provenance de la tour de préréchauffement, tout en étant placés directement au-dessous de cette dernière, et un four à creuset de rétention servant à recevoir en continu le métal en fusion en provenance du premier four, tout en étant juxtaposé à ce dernier. Ce four est caractérisé par le fait que, d'après sa construction, le gaz d'échappement de combustion utilisé dans le premier four peut être introduit sous forme de courant d'air ascendant dans la tour de préréchauffement afin d'effectuer un échange de chaleur avec les lingots d'aluminium, ce qui permet d'effectuer une fusion du métal en continu et d'économiser de l'énergie.

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