... ash, sulfuric acid residue, abrasive, refractory materials, plates, rubber, food and other industries’ demands, part of the equipments can be ... 150 working days, effectively improve the utilization rate of equipment and production efficiency.main technical parameters modeldrum diameter mmdrum ... -25280-10012machine8180*280018002150-253130-150238240*280024002150-254180-20023 preparation equipment