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本文对酯硬化水玻璃旧砂湿法再生中的各个影响因素进行了全面的测试；对再生砂进行了重复浇注试验。最后介绍了耗水量小、带污水处理及回用系统，可用于实际生产的湿法再生系统。
In this paper, the various factors affecting the wet sand regeneration of esterified hardened sodium silicate have been comprehensively tested. Recycled sand has been subjected to repeated pouring tests. Finally, the paper introduces a water-saving regeneration system with wastewater treatment and reuse system that can be used in the actual production.