The starting method of square billet continuous casting
A billet and continuous casting technology, applied in the field of steel manufacturing, can solve problems such as cracking and leakage, increase in production costs and labor intensity, and difficulty in dummy ingots, and achieve the goals of simplifying operations, preventing cold materials from falling into the gap, and saving preparation time Effect
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[0025] Below in conjunction with accompanying drawing, this method embodiment is described in further detail:
[0026] The starting method of continuous casting of square billets is taken as an example of HRB400E series steel grades planned to be produced by a 7-strand billet continuous casting machine with a cross-section of 165mm×165mm: when preparing for production, after each flow is filled with dummy ingots, cover the crystallizer with asbestos cloth Put the cold material iron cylinder 1 on the dummy rod 2-1 of the dummy head 2 in the crystallizer, and use the feeding funnel to distribute the cooling material into the quantitative material iron cylinder 3 to ensure that the tundish is opened After pouring, the pouring flow is quickly welded with the cold material iron cylinder in the mold to form a primary billet shell. After starting, the dummy rod hinged on the dummy rod pulls the billet out of the mold along the copper tube.
[0027] The cold material iron cylinder 1, ...
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