Immersed nozzle of H-shaped leakproof steel
An immersion and nozzle technology, applied in casting melt containers, metal processing equipment, casting equipment, etc., can solve the problems of continuous casting and pouring, accumulation of inclusions, leakage of casting billets, etc., to reduce the residence time, The effect of eliminating gaps and stabilizing the flow of molten steel
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Embodiment 1
[0027] Such as figure 1 The shown H-shaped leak-proof steel immersion nozzle includes a nozzle main body 2, an upward dam 3, an upwardly inclined steel outlet 4, a downward dam 5, and a downwardly inclined steel outlet 6; the nozzle body The upper part of 2 is the bowl mouth structure 1, the lower part is a hollow cylindrical structure with a smooth inner cavity, and the bottom end is a closed structure; the upper part of the bowl mouth structure 1 is a large-aperture hollow cylinder, and the lower end is a tapered structure. The bottom of the structure is consistent with the inner diameter of the hollow cylindrical structure at the lower part of the nozzle body; the hollow cylindrical structure of the nozzle body 2 is symmetrically provided with a pair of upwardly inclined steel outlets 4 and a hollow cylinder at the lower part of the upwardly inclined steel outlet 4 A pair of upward dams 3 are arranged symmetrically in structure, a pair of downward dams 5 are symmetrically arr...
Embodiment 2
[0030] Such as Figure 4 The shown H-shaped leak-proof steel immersion nozzle includes a nozzle main body 2, an upward dam 3, an upwardly inclined steel outlet 4, a downward dam 5, and a downwardly inclined steel outlet 6; the nozzle body The upper part of 2 is the bowl mouth structure 1, the lower part is a hollow cylindrical structure with a smooth inner cavity, and the bottom end is a concave spherical closed structure; wherein the bowl mouth structure 1 is a conical structure, and the bottom of the conical structure is connected to the hollow cylindrical structure, The inner diameter of the bottom of the conical structure is the same as the inner diameter of the hollow cylindrical structure; the middle and lower parts of the hollow cylindrical structure of the nozzle body 2 are symmetrically provided with a pair of upwardly inclined steel outlets 4, and the hollow at the lower part of the upwardly inclined steel outlet 4 A pair of upward dams 3 are symmetrically arranged on...
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