Crusher Machine for Slag Recycling. Many different types of machines are involved in slag recycling applications, such as crushing plant, grinding mill, screening machine, classifier, separation machine etc. Crushing is the first stage in slag recycling, it reduce large block into small particle size and preparing for further processing.Heavy machinery viqa dmcc has our mobile crushers screens – rental division with the perfect solution for all your crushing, screening and recycling requirements. The range of our machines includes mobile and skid mounted units of jaw crushers, impact crushers, cone crushers, vsi crushers, hammer mills, vibrating screens, sand washers.