Process for the aluminothermic welding of rails with...

Details Process for the aluminothermic welding of rails with... Process for the aluminothermic welding of rails with...

B - Operations, Transporting

23

K

B23K 23/00 (2006.01)

Patent

CA 2213903

The invention relates to a process for the aluminothermic welding of rails, the aluminothermically produced steel being poured into a refractory mold surrounding the rail ends which are to be joined, and alloying additives being contacted with that part of the steel which runs out of the reaction crucible and forms the weld in the rail head region, wherein the alloying with the alloying additives is carried out after the completion of the aluminothermic reaction and separation of the steel from the slag via the diverting plug in the mold, and the overflow in the mold is closed.

L'invention décrit un processus de soudage aluminothermique de rails. L'acier produit par procédé aluminothermique est coulé dans un moule en matériau réfractaire entourant les deux extrémités du rail à joindre et des additifs alliés sont mis en contact avec cette partie de l'acier qui s'étend vers l'extérieur du creuset de réaction et forme la ligne de soudure dans la zone du champignon du rail où le processus d'alliage avec les additifs alliés se produit après la réaction aluminothermique et la séparation de l'acier des scories par l'ouverture du bouchon d'obturation du moule et que l'orifice de trop-plein du moule soit fermé.

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