Air cooling stacking method of hot rolling steel rail
A rail and stacking technology is applied in the field of air-cooled stacking of hot-rolled rails.
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[0024] When the steel rail 2 is cooled to 600℃~700℃ on the collecting platform 3, it is turned over 180° by the steel turning machine 4, so that when the two sides of the steel rail 2 drop to about 300℃~400℃, the two The cooling rate on the side is basically the same. The overturned rail 2 is cooled to 300°C to 400°C on the collecting platform, and then the rail 2 is transported to the stacking position for stacking air cooling. When the rail 2 is at 300°C to 400°C, it is suitable for lifting by the magnetic crane 5, and the rail 2 is stacked and air-cooled at 300°C to 400°C. After complete cooling, the thermal deformation stress on both sides of the rail 2 is basically Unanimous. When stacking the rails 2, spacers are arranged between the adjacent upper rails and the lower rails, so as to separate the rail layers from each other, which is convenient for crane lifting.
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