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查明,在钢水熔炼过程中有色金属夹杂物渗入耐火材料内达50mm深,与夹杂物含量无关,在出钢和浇钢过程中浇铸的金属与前几次熔炼时受到污染的盛钢桶耐火材料内衬发生接触。
It was found that non-ferrous metal inclusions infiltrated into the refractory material in the molten steel melting process up to 50mm deep, and has nothing to do with the content of inclusions, the metal cast in the tapping and pouring of steel and the refractory ladle barrel refractory Material lining contacts.