Efficient energy-saving processing system and method for pulverized coal

The invention provides an efficient energy-saving processing system for pulverized coal. The system comprises a drying crushing device and a grading device, wherein the drying crushing device comprises a first raw material inlet end, a raw material outlet end, an air inlet end, an air outlet end and a second raw material inlet end; the grading device comprises a first inlet end, a first outlet endand a second outlet end; the raw material outlet end of the drying crushing device is connected to the inlet end of the grading device; the second outlet end of the grading device is connected to thesecond raw material inlet end of the drying crushing device. 本发明提供了种高效节能煤粉的加工系统，所述系统包括：烘干破碎装置、分级装置，所述烘干破碎装置包括第原料入口端、原料出口端、空气入口端、空气出口端、第二原料入口端，所述分级装置包括第入口端、第出口端、第二出口端；所述烘干破碎装置的原料出口端和所述分级装置的入口端相连接，所述分级装置的第二出口端和所述烘干破碎装置的第二原料入口端相连接。