Immersion nozzle for continuous casting
An immersion and nozzle technology, applied in casting equipment, casting melt containers, manufacturing tools, etc.
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[0042] Hereinafter, preferred embodiments of the submerged nozzle for continuous casting according to the present invention will be described with reference to the accompanying drawings.
[0043] In addition, the same or equivalent parts as those in the conventional embodiments are described using the same symbols.
[0044] figure 1 To illustrate the figure of the first embodiment of the present invention, in figure 1 The part denoted by the symbol 1 is a long cylindrical refractory, which is used to constitute the submerged nozzle 10 for continuous casting used in the slide valve, and the axial center position of the cylindrical refractory 1 is penetrated and formed There is molten steel injection hole 10a.
[0045] The outer surface 11 of the cylindrical refractory 1 is composed of an upper tapered portion 11a and a straight line portion 11b formed below the tapered portion 11a.
[0046] The metal member 12A provided on a part or the whole of the outer surface 11 is com...
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