旧砂处理 sand reconditioning
旧砂复用 repeated transverse impact test ; repeated use of sand
旧砂再生设备 sand reclamation ; sand reclamation equipment
旧砂热法再生 thermal reclamation of used sand
旧砂干法再生设备 dry type sand reclamation equipment
旧砂湿法再生设备 wet type sand reclamation equipment
旧砂过筛处理 dry reconditioning
旧砂冷却装置 sand cooling equipment
旧砂湿法再生 wet reclamation of used sand
高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。
High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.
本文就如何经济地对水玻璃旧砂进行再生的问题进行了研究。
This paper studies the problem how to reclaim silicate wast sand economically.
结果表明，植物油旧砂的使用将在一定程度上恶化油砂性能。
The result shows that used sand reduces properties of oil bonded sand.
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