Side seal plate for double-roll strip continuous casting and application method thereof
A twin-roll thin strip continuous casting and side sealing plate technology, applied in the thin strip continuous casting field, can solve the problems of inability to guarantee thermal shock resistance, inability to guarantee side sealing plates, poor thermal shock resistance, etc., and achieve high hardness, Effects of low thermal expansion coefficient and strong thermal shock resistance
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Embodiment 1
[0054] The structure of the side seal plate for twin-roll thin strip continuous casting is as follows: figure 1 As shown, the cross-sectional structure of A-A plane is as follows image 3 As shown, the cross-sectional structure of B-B plane is as follows Figure 4 As shown, the cross-sectional structure of C-C plane is as follows Figure 5 As shown, it includes two side sealing plate bodies and a lubricating device. The structure of the lubricating device is as follows figure 2 As shown, the side sealing plate is composed of a groove-shaped shell 1, a heat insulating plate 2, a substrate 3, a ceramic plate 4 and a wear-resistant plate 5, and the heat insulating plate 2 is made of asbestos board 2-1 and SiO 2 The base nano-insulation board 2-2 is bonded; the lubrication device is composed of a lubricant material 6 and a delivery pipe 7; the heat insulation board 2 is located in the casing 1, the substrate 3 is covered on the heat insulation board 2 and part of the substrate ...
Embodiment 2
[0074] The structure of the side seal system for twin-roll thin strip continuous casting is the same as that of Embodiment 1, the difference is that:
[0075] (1) The radius of the outer arc edge of the ceramic plate is 8cm larger than the casting roll radius of the twin-roll thin strip continuous casting machine; the thickness of the asbestos plate is 3mm, SiO 2 The thickness of the base nano-insulation board is 2mm; the material of the substrate is Al with a thickness of 20mm 2 o 3 -ZrO 2 Quality refractories, Al 2 o 3 The weight percentage is 33%; the material of the ceramic plate is 3mm thick BN composite material; the material of the wear plate is 3mm thick Si 3 N 4 composite materials;
[0076] (2) The cross-section of the conveying pipe is elliptical, and the cross-sectional diameter of the conveying pipe is 20mm; the wall thickness of the conveying pipe is 3mm;
[0077] (3) The lubricant material is graphite, BN and MoS with a particle size of ≤200 mesh and other ...
Embodiment 3
[0087] The structure of the side seal system for twin-roll thin strip continuous casting is the same as that of Embodiment 1, the difference is that:
[0088] (1) The radius of the outer arc edge of the ceramic plate is 10cm larger than the radius of the casting roll of the twin-roll thin strip continuous casting machine; the thickness of the asbestos plate is 5mm, SiO 2 The thickness of the nano-based thermal insulation board is 3mm; the material of the substrate is 30mm thick Al 2 o 3 -ZrO 2 Quality refractories, Al 2 o 3 The weight percentage is 35%; the material of the ceramic plate is 5mm thick BN composite material; the material of the wear plate is 5mm thick Si 3 N 4 composite materials;
[0089] (2) The cross-section of the conveying pipe is hexagonal, and the diameter of the cross-sectional diameter of the conveying pipe is 30mm; the wall thickness of the conveying pipe is 5mm;
[0090] (3) The lubricant material is solid powder particles of graphite with parti...
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