Semi-continuous casting crystallizer for suppressing cracking of magnesium alloy billet and method of use thereof
A casting crystallizer and magnesium alloy technology, which is applied in the field of casting, can solve the problem that the first cold condition has not attracted enough attention, and achieve the effect of reasonable method and equipment, obvious stirring effect, and convenient use
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Embodiment 1
[0050] The structure of semi-continuous casting mold for suppressing cracking of magnesium alloy ingots is as follows: figure 1 As shown in the figure, it includes an inner jacket, an insulating layer, a cooling water tank, an excitation coil and a mold shell, and the insulating layer is arranged above the inner wall and the outer wall at the same time; The bottom surface of the top plate is connected, and the height of the outer insulation layer is 50% of the height of the inner sleeve; the insulation layer above the inner wall is the inner insulation layer, and its top is the same height as the top surface of the inner sleeve, and the height of the inner insulation layer is 50% of the height of the inner sleeve. %; the inner insulation layer is embedded in the inner sleeve and bonded to the inner wall, and the embedding depth is 20% of the thickness of the inner sleeve side wall; the outer insulation layer is embedded in the inner sleeve and bonded to the outer wall of the in...
Embodiment 2
[0063] The structure of the semi-continuous casting mold for suppressing the cracking of the magnesium alloy ingot is the same as that in Example 1, except that:
[0064] (1) The thermal insulation layer is arranged above the outer wall and is the external thermal insulation layer; the height of the external thermal insulation layer is 80% of the height of the inner jacket; the embedded depth of the external thermal insulation layer is 40% of the thickness of the inner jacket sidewall;
[0065] (2) The material of the inner sleeve is stainless steel;
[0066] (3) The material of the inner insulation layer is ceramic fiber paper, and the side of the surface of the ceramic fiber paper in contact with the melt is coated with boron carbide coating;
[0067] (4) The inner side of the inner insulation layer extends beyond the inner wall surface of the inner sleeve by 8mm; the transition zone is made by mixing fatty acid glyceride and talcum powder in a weight ratio of 1:2; the angle...
Embodiment 3
[0074]The structure of the semi-continuous casting mold for suppressing the cracking of the magnesium alloy ingot is the same as that in Example 1, except that:
[0075] (1) The thermal insulation layer is arranged above the inner wall of the inner jacket, which is the inner thermal insulation layer; the height of the inner thermal insulation layer is 80% of the height of the inner jacket; the embedded depth of the inner thermal insulation layer is 40% of the thickness of the inner jacket side wall;
[0076] (2) The material of the inner sleeve is copper alloy;
[0077] (3) The material of the inner insulation layer is ceramic fiber paper, and the side of the surface of the ceramic fiber paper in contact with the melt is coated with molybdenum disulfide coating;
[0078] (4) The inner side of the inner insulation layer extends 10mm from the inner wall surface of the inner sleeve; the transition zone is made of a mixture of fatty acid glycerides and talc in a weight ratio of 1:...
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