Energy-saving ceramic powder preparation system for total recovery and gradient utilization of waste heat of kiln flue gas

The utility model discloses a kiln flue gas waste heat total recovery gradient utilization energy-saving ceramic powder preparation system, which comprises a powder making mechanism and a granulation mechanism, the powder making mechanism comprises a filter press, a soil crushing machine, a low-temperature flash evaporation dryer and a cyclone material collector which are arranged in sequence, and the granulation mechanism comprises a suspension humidification granulator and a fluidized bed dryer; according to the kiln flue gas waste heat total recovery gradient utilization energy-saving ceramic powder preparation system, mud can be firstly subjected to filter pressing processing through the filter press, part of water in the mud is reduced, and then mud cakes formed through filter pressing are crushed and dried through the low-temperature flash evaporation drying machine and are dried into mud particles; the mud powder is processed into ceramsite through the suspension humidification granulator and the fluid