... to get crushed, fans blow it into the grinding room, blowing powder into the analysis machine, sorting, ... not reach the fineness will be brought into grinding room again, qualified powder is will be blown by ... pressure.technicalModel8021Power50kwFeeding size1-5mmProduct fineness500-8000meshDealing capacity800kgYield95% ultrafine grinding machine mining machine used in calcite, diatomite, barite ...