Big packet external drainage sand device of continuous casting

The utility model discloses a big packet external drainage sand device of continuous casting is equipped with big package external drainage sand drainage groove (1) and the continuous casting da bao mouth of a river (2), big package external drainage sand drainage groove (1) on be equipped with handheld stick (3), in unwrapping the working process that waters greatly, big package external drainage sand drainage groove (1) place under the continuous casting da bao mouth of a river (2). The utility model also discloses a this big packet external drainage sand device of continuous casting's operating method. Adopt above -mentioned technical scheme, reduced the continuous casting ladle and excessively descended the sediment, improve the pure degree of molten steel and the receipts yield of continuous casting molten steel casting, improve the intensity of labour and the operational environment of year -round work contract system, reduced continuous casting manufacturing cost simultaneously.