Immersion nozzle for continuous casting
An immersion, nozzle technology, applied in casting equipment, casting melt containers, manufacturing tools, etc., can solve the problems of oxidizing molten metal, metal penetration of joints, quality deterioration, etc., and achieve the effect of improving rigidity
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[0040] Hereinafter, preferred embodiments of the immersion nozzle for continuous casting according to the present invention will be described with reference to the accompanying drawings.
[0041] In addition, the same or equivalent parts as in the existing embodiment are described with the same symbols.
[0042] figure 1 To illustrate the first embodiment of the present invention, in figure 1 The component denoted by the symbol 1 is a long cylindrical refractory that is used to form a continuous casting immersion nozzle 10 used in a sliding valve. The axial position of the cylindrical refractory 1 is penetrated to form There is a molten steel injection hole 10a.
[0043] The outer surface 11 of the cylindrical refractory 1 is composed of an upper tapered portion 11a and a linear portion 11b formed at the lower portion of the tapered portion 11a.
[0044] The metal member 12A provided on a part or the entire outer surface 11 is composed of an inner metal casing 12 and a...
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