水平逆流式旧砂再生机简介（实用新型专利ＺＬ９４２２２３４４·６号）水平逆流式旧砂再生机系１９９４年开发的干法再生设备、主要由旋转滚筒和滚筒内处于偏心位置反转的转子使筒内旧砂形成两股相对运动的砂流，强力磨擦而去除旧砂表面惰性膜，获得再生砂可代替新砂使用... Horizontal countercurrent old sand regeneration machine profile (utility model patent ZL94222344-6) Horizontal countercurrent old sand regeneration system developed in 1994 dry regeneration equipment, mainly by the rotating drum and roller in the eccentric position reversal of the rotor so that tube Within the old sand to form two relative movement of the sand flow, strong friction and remove the inert surface of the old sand film, access to renewable sand can be used instead of new sand ...