The twin roll caster, method for casting metal strip & starting-up casting with twin roll caster

A twin roll caster, it is used for casting molten metal, and includes: - A pair of paralleling casting rolls that have formed a connecting area in between; - And install a long metal delivery nozzle on top of casting roll and extending along nip for supplying molten metal to casting pool; That metal delivery nozzle has a bottom wall, vertical side wall parallel-extending to roll shaft, several end walls and several outlets of molten metal inside the side wall; And tundish for supplying the molten metal; Its features are: The entry nozzle is used to receive the molten metal came from tundish, and deliver it to metal delivery nozzle, and has an inlet for receiving the molten metal from tundish, and has an outlet for delivering the molten metal supplied to metal delivery nozzle; The outlet end is extended to metal delivery nozzle, and has a bottom wall, elongate side walls spaced inwardly from the side walls of delivery nozzle and outlets for molten metal in the side walls.