一、旧砂再生方法的分类及其新友展旧砂再生的方法有多种,除了传统的湿法再生、机械再生、气流再生、热法再生外,还发展出抛丸再生和两种联合的再生,但是归结起来可分为以下四大类。 1.湿法再生:有水力清(?)再生、搅拌再生、水力旋流器再生、超声、净再生等; 2.干法再生:有气流再生、风力再生、 First, the classification of old sand regeneration method and its new friends Show Old sand regeneration of a variety of ways, in addition to the traditional wet regeneration, mechanical regeneration, air regeneration, thermal regeneration, but also developed a shot blasting regeneration and two joint Regeneration, but can be summed up into the following four categories. 1. Wet regeneration: water purification (?) Regeneration, mixing regeneration, hydrocyclone regeneration, ultrasound, net regeneration, etc .; 2. Dry regeneration: a regeneration of air, wind power regeneration,