Sorting system for feed coal

The utility model discloses a sorting system for feed coal. The device comprises a spiral conveying auger, the spiral conveying auger is provided with a conveying cylinder; wherein a feeding hole is formed in one end of the material conveying cylinder, a discharging hole is formed in the other end of the material conveying cylinder, a plurality of mesh structures are arranged at the lower half part of the material conveying cylinder and are used for sorting raw material coal with proper sizes, the lower half part of the material conveying cylinder is connected with a blanking hopper, and the bottom of the blanking hopper is communicated with the inlet end of a cyclone; the material conveying device has the advantages of being smooth in material conveying, capable of improving working efficiency, simple in structure and low in cost. 本实用新型公开了一种用于原料煤的分选系统，包括螺旋输料绞龙，所述螺旋输料绞龙设有输料筒，所述输料筒的一端设有加料口，另一端设有出料口，所述输料筒的下半部分设有若干网孔结构，用于将大小合适的原料煤分选出来，所述输料筒的下半部分连接有落料斗，所述落料斗的底部与旋流器的入口端相连通；本实用新型的优点在于：输料顺畅，提高了工作效率，结构简单，成本低。