Method for continuous casting, continuoccs rolling intermediate and thin sheet blanket
A medium-thin slab continuous casting and production method technology, applied in the direction of metal rolling, etc., can solve the problems of high billet drawing speed, small buffer space for continuous caster and heating furnace, high slab heat loss, and achieve uniform temperature at the head and tail. , The production organization is flexible, and the effect of reducing the temperature difference between the head and tail
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[0040] The present invention is specifically implemented in the 1700 medium and thin plate continuous casting and rolling production line (ASP), using a 100-135mm thick medium and thin slab R5m casting machine, two walking beam heating furnaces with long-stroke steel loading machines, two rolls and four rolls There is one reversible roughing mill, 6 stands of controlled-rolling and controlled-cooling finishing mill with roll bending and rolling device, laminar flow cooling and 2 downcoilers in front of the finishing mill, including the following Process steps:
[0041] 1. Continuous casting billet
[0042]90t converter steelmaking molten steel is transported to the casting machine in 6 minutes in a 100t insulation tank, the R5m casting speed is 3.5m / s, the casting billet is 100~135mm×900~1550mm×12.9mm~15.6m, one casting machine and one stream, the weight of the casting machine body 345.8t, the height of the workshop is low, and the height of the crane track beam is 24.5m.
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