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碱酚醛混合树脂砂再生工艺探索

Foundry Equipment and Technology(2017)

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Abstract
铸造用树脂砂有很多种再生方法,而通常用脱膜率即灼烧减量的变化来评价再生效果.本文介绍了不同条件下热法对碱酚醛混合树脂砂进行再生的效果对比,以及旧砂在实际生产中的应用情况.通过系列试验,重点对灼烧减量及酸耗值进行了对比分析,充分焙烧再生后的旧砂完全满足生产要求,为企业降低生产成本及污染物排放提供了有力保障.
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