Abstract : based on plenty practical experiences many years ， both application and problems in all kinds of green sand preparation equipment and auxiliary devices have been expounded personal point and suggestion have been put fouth against problems occurring in technology 文摘:笔者根据多年积累的丰富实践经验，分别阐述了各种湿型砂处理设备及辅助装置的使用情况及存在的问题；并对砂处理工艺中出现的诸多问题提出了自己的看法和改进建议。
